Projection ray machine with light modulation component and scanning galvanometer component and projector

The invention relates to the technical field of optical equipment, and provides a projection ray machine with a light modulation component and a scanning galvanometer component and a projector. The projection light machine with the light modulation part and the scanning galvanometer part comprises a light source part, the light modulation part and the scanning galvanometer part. The light source component emits light beams; the light modulation component and the scanning galvanometer component are sequentially arranged along a light path, and the light modulation component is used for modulating a light beam. The projector is used for overcoming the defects that in the prior art, a projector is high in cost and not easy to produce, high-quality pictures can be projected without depending on a high-resolution light modulation component, the cost of the projector is reduced, a galvanometer does not need to be imported to the outside, the manufacturing difficulty of the projector can be reduced ...

Transmission equipment for terminal conveying

The transmission equipment comprises a machine table, a conveying track used for conveying terminal elements is arranged on the machine table, a track groove used for containing the terminal elements is formed in the conveying track, and a magnetic attraction piece used for attracting the terminal elements to enable the terminal elements to be attached to the interior of the track groove from top to bottom is arranged in the track groove. One side of the input end of the track groove is provided with a material preparing assembly used for conveying terminal elements into the track groove, the portion, on one side of the material preparing assembly, of the machine table is provided with a material pushing assembly used for conveying the terminal elements in the material preparing assembly into the track groove, and the machine table is further provided with a feeding assembly used for conveying the terminal elements into the material preparing assembly one by one. The magnetic attraction ...

Spur rack formula wind turbine blade adjustment mechanism

The utility model relates to a wind power generation equipment technical field, specific spur rack formula wind turbine blade adjustment mechanism that says so. The adjustment mechanism existence of current gear technique needs that the adjustment mechanism moment of torsion is big, the reliability is poor, the heavy handled scheduling problem of blade angle. The utility model discloses a driving motor fixed disk, cabin drum wall, the fixed shroud of rack, the fixed hub disk of rack, preceding pressure disk, back pressure disk, rack and pinion mechanism, leadscrew -nut mechanism, slide bar bearing frame, slide bar bearing, slide bar. Preceding pressure disk is connected on the driving motor fixed disk, and three slide bar bearing frame arranges evenly that the blade axle is installed on the drum wall of cabin through the bearing on the pressure disk of back, and the gear is fixed and is formed the meshing at cabin drum wall inboard blade axle head portion and rack, and the nut is fixed ...

Smart power grid terminal user electric energy management and pollution abatement system

The invention provides a smart power grid terminal user electric energy management and pollution abatement system which comprises a controllable filer device, a computer control unit, a peak signal detection unit and a harmonic detection unit. The computer control unit, the peak signal detection unit and the harmonic detection unit are respectively connected with the controllable filer device. The peak signal detection unit is used for catching peak signals of a smart power grid, sampled peak signal are subjected to analog-digital conversion of a sampling and holding unit and a first A/D conversion circuit and then is stored in a data storage device and is transmitted to a computer when being needed. The harmonic detection unit is used for detecting higher harmonics in a smart power grid, sampled voltage and current signals are subjected to conditioning, analog-digital conversion, digital signal processing and then transmitted to the computer control unit. The computer control unit is used ...

Oxygen vacancy-containing molybdenum dioxide/bismuth photocatalyst as well as preparation method and application thereof

The invention relates to the technical field of catalytic materials, and provides an oxygen vacancy-containing molybdenum dioxide/bismuth photocatalyst and a preparation method and application thereof.The preparation method comprises the steps that a MoO2/molybdenum net composite material is prepared, Bi0 is generated on a MoO2/molybdenum net, then a reducing agent is adopted to treat the MoO2/Bi/molybdenum net, the reducing agent enables the Bi0 to be fully exposed on the surface of the catalyst, meanwhile, the oxygen vacancy is introduced, and the photocatalytic activity reduction caused by the formation of an oxide layer on the surfaces of the Bi0 metal nanoparticles can be prevented, so that the photocatalytic activity can be obviously improved; O2 in the solution can be removed by the oxidation-reduction reaction under the protection atmosphere, and the reducing agent reacts with Mo < 4 + > to generate Mo < 3 + >, so that coordination with O is changed, part of O escapes, and further ...

Environment sampling monitoring system based on fine particles

The utility model relates to an environment sampling monitoring system based on fine particles, including environmental detection set, fine particles sampling device and monitor computer, environmental detection set exports the environmental parameter who detects for monitor computer, the sampling device includes the fine particles cutterbar, the automatic weighing device, sampling fan and static pressure cabin pressure detection equipment, the fine particles cutterbar is afterwards exported in grades the fine particles who samples and is weighed for the automatic weighing device, static pressure cabin pressure detection equipment, the automatic weighing device will detect data output and give monitor computer, monitor computer output control signal give the sampling fan, the rotational speed of monitor computer sampling fan. The utility model discloses having taken all factors into consideration the environmental parameter of monitoring point, having carried out the analysis to fine particles's ...

Medical treatment electrical equipment security testing arrangement

The utility model relates to a medical treatment electrical equipment security testing arrangement, testing arrangement include withstand voltage check out test set, hourglass current detection equipment, electric energy quality test equipment, ground resistance check out test set to and keyboard module, alarm and computer, the signal output part of each check out test set all through interface adapter and the signal input part of computer connects for to detect data transmission to computer, the control output separately -driven of computer connects each check out test set for according to the detected signal of keyboard module input, the work of the corresponding functional module of output sense order -driven, the computer still drive the connection alarm. The utility model discloses an integrate, miniaturized technique, can be simultaneously detect medical equipment power consumption environment and medical equipment's self electric property, realize multifunction, easy and simple to ...

Scribing and positioning device for waterproof building materials

The utility model relates to the technical field of waterproof building material installation equipment, in particular to a scribing positioning device for waterproof building materials, which comprises a base, a first bearing is embedded in the base, a positioning seat is arranged on the upper side of the base, a horizontal bubble meter and a controller are embedded on the upper side of the positioning seat, the horizontal bubble meter is located on the left side of the controller, and a groove is formed in the front side of the positioning seat. A laser locator is inserted in the groove, a storage battery is arranged in the locating seat, the upper end of the electric telescopic rod penetrates through the first bearing and then is fixedly connected with the bottom of the locating seat, an ink fountain box is fixed to the lower end of the electric telescopic rod, second bearings are symmetrically embedded in the left side and the right side of the ink fountain box, and a wire hole is formed ...

Abnormality prediction method, system and device based on intelligent disk monitoring and storage medium

The invention discloses an anomaly prediction method, system and device based on intelligent disk monitoring and a storage medium, and the method comprises the steps: selecting corresponding device parameters according to a to-be-monitored device, and building an anomaly prediction model; acquiring a boundary parameter of the to-be-monitored device, and inputting the acquired boundary parameter and the preset early warning parameter into the anomaly prediction model to obtain an anomaly probability value of the early warning parameter when the boundary parameter is given; and comparing the abnormal probability value with a global probability threshold value, and if the abnormal probability value is smaller than the global probability threshold value, triggering an abnormal prompt by the abnormal prediction model. According to the method, the occurrence probability of the sensor measurement data can be normalized along with the change of the equipment working condition, misleading on health ...

Worm gear formula wind turbine blade adjustment mechanism

The utility model relates to a wind power generation equipment technical field, specific worm gear formula wind turbine blade adjustment mechanism that says so. The adjustment mechanism existence of current gear technique needs that the adjustment mechanism moment of torsion is big, the reliability is poor, the heavy handled scheduling problem of blade angle. The utility model discloses a gear on worm seat, cabin drum wall, driving motor fixed disk, gear, worm gear mechanism. Cabin drum wall connection is on the driving motor fixed disk, and the gear on worm seat is installed on the drum wall of cabin, and main drive gear passes through the assembly of bearing and bearing frame between gear on worm seat and driving motor fixed disk, encircles main drive gear and is equipped with two rings of drive gear, and worm and the coaxial assembly of outer lane gear are between driving motor fixed disk and gear on worm seat, and the worm wheel is installed at the blade of gear on worm seat inboard ...

Control framework for overall structural design of aero-engine

The invention relates to the technical field of aero-generator design, in particular to a control framework for aero-engine overall structure design, which comprises an overall structure design control framework and an engine overall design control framework, a control framework layer with a mutual dependency relationship is established, a control framework of the current layer in the control framework layer is composed of geometric elements and corresponding control parameters, a lower-layer control framework in the control framework layer depends on an upper-layer control framework, and the control frameworks in the same layer do not have a dependency relationship; the dependency relationships among the control framework layers comprise parameter correlation relationships, geometric correlation relationships and constraint correlation relationships, compared with the prior art, the engine overall structure control framework is utilized, design key points are easy to grasp, complex dependency ...

Cross flow type steam pool for end face pumping alkali metal steam laser

The invention discloses a transverse flow type steam pool for an end face pumping alkali metal steam laser. The transverse flow type steam pool comprises a stainless steel flange (2), a stainless steel alkali metal steam pool cavity (3), an alkali metal steam pool glass window (4), an alkali metal steam pool transverse flow fan (5) and an alkali metal steam pool buffer gas injection port (6). Stainless steel flanges (2) are arranged at the two ends of a stainless steel alkali metal steam pool cavity (3), a set of coaxial alkali metal steam pool glass windows (4) are arranged on the two end faces of the stainless steel alkali metal steam pool cavity (3), and an alkali metal steam pool cross flow fan (5) is arranged in the stainless steel alkali metal steam pool cavity (3). The axial direction of the cross flow fan (5) for the alkali metal steam pool is parallel to the axial direction of the stainless steel alkali metal steam pool cavity (3); and the side wall of the stainless steel alkali ...

Lithium ion battery life prediction method, electronic equipment and readable storage medium

The embodiment of the invention provides a lithium ion battery life prediction method, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring a target battery relaxation curve corresponding to a to-be-predicted battery; a target equivalent circuit model and a target lumped parameter thermal model corresponding to the battery are obtained, and the target lumped parameter thermal model is used for determining the instantaneous temperature of the battery at the next moment according to the real-time heat production power of the battery at the current moment; the real-time heat production power of the battery at the current moment is determined according to the current value of the battery at the current moment and RC parameters of the target equivalent circuit model at the current moment; according to the current cell relaxation curve, the target equivalent circuit model and the target lumped parameter thermal model, life prediction is carried ...

Multi -level worm gear formula wind turbine blade adjustment mechanism

The utility model relates to a wind power generation equipment technical field, specific multi -level worm gear formula wind turbine blade adjustment mechanism that says so. The adjustment mechanism existence of current gear technique needs that the adjustment mechanism moment of torsion is big, the reliability is poor, the heavy handled scheduling problem of blade angle. The utility model discloses a gear on worm seat, outer support frame, cabin drum wall, driving motor fixed disk, gear, worm gear mechanism. Cabin drum wall connection is on the driving motor fixed disk, and the gear on worm seat is installed on the drum wall of cabin, and outer support frame is evenly installed in the gear on worm seat outside, encircles main drive gear and is equipped with four rings of drive gear from inside to outside and forms the meshing in proper order, and the inlayer worm wheel is installed in the inboard blade axle head portion of gear on worm seat, and outer worm wheel is installed in the inboard ...

Inclined and upright common exhaust manifold assembly

The invention provides an exhaust manifold assembly shared by inclined arrangement and upright arrangement, and relates to the technical field of automobile exhaust systems. The horizontal fixing device for surveying and mapping comprises a front connecting flange, a gathering pipe, an oxygen sensor mounting seat adapter conduit, a rear connecting flange, an oxygen sensor mounting seat and three branch pipes, and the three branch pipes are composed of a first branch pipe, a second branch pipe and a third branch pipe. The first branch pipe, the second branch pipe and the third branch pipe are all communicated with three air inlet holes formed in the front connecting flange. According to the invention, by adopting the mode of gathering the three independent branch pipes and the main pipe, the airflow interference among the air passages is reduced, the back pressure of the exhaust system is reduced, the EGR air taking pipe structure is designed, the exhaust pipe is connected with the flange ...

Gas detection type detection device and method for breathable film of precise liquid medicine filter

The invention discloses a gas detection type detection device and method for a breathable film of a precise liquid medicine filter. The device comprises a workpiece carrier used for placing and positioning a filter, the filter is horizontally placed, and a breathable film faces upwards; the first detection head is used for blocking the breathable film and is provided with a first detection air hole which is communicated with the breathable film and is provided with an external air source; the second detection head is used for blocking a liquid inlet pipe of the filter and is provided with a second detection air hole which is communicated with the liquid inlet pipe and is provided with an air pressure sensor; and the plug is used for plugging the liquid outlet pipe of the filter. A gas detection mode is adopted, the step of adding water for sealing in a conventional water detection mode is omitted, operation is simplified, and meanwhile the pollution risk is reduced; the wind pressure sensor ...

Flexible electrified neutral section passing system based on common direct current side capacitive multi-level converter

The invention discloses a flexible electrified neutral section passing system based on a common direct current side capacitive multi-level converter. An electronic power converter is provided with n converter bridge arms to define n converter bridge arm alternating current terminals. The electronic power exchanger is configured as follows: the n converter bridge arms can be divided into a first converter bridge arm group and a second converter bridge arm group according to functions, and the first converter bridge arm group and the second converter bridge arm group can be electrically coupled through a direct current side capacitor, wherein under the condition that the number of converter bridge arms included in the first converter bridge arm group is two or three, the first converter bridge arm group can be electrically connected to the traction substation through the first single-phase transformer and the second single-phase transformer. Compared with the prior art, after the specific ...

Through-type cophase power supply system based on cascaded multilevel converter

The invention discloses a through-type cophase power supply system based on a cascaded multilevel converter. The through-type cophase power supply system comprises a power electronic converter and a transformer, the through-type cophase power supply system can simultaneously cancel an electric split-phase at an outlet of a substation and an electric split-phase at a partition, realizes whole-line power supply, avoids speed loss of a train, and can also treat the electric energy quality of a power grid. Compared with an existing through-type in-phase power supply system based on a three-phase to single-phase converter, the system uses triangular, V-shaped and rhombic cascaded multi-level converters, so that the capacity of the converters is reduced, the cost is reduced, and the system has higher application value.

Assembled type touch device, assembling method and corresponding electric appliance

The invention is suitable for the technical field of display, and provides an assembled type touch device, an assembling method and a corresponding electric appliance. A plurality of touch modules are assembled into the touch device of the required dimension by connecting pieces. By covering the assembled touch device on a display screen, a coating or a connecting controller needs not to be additionally arranged on the surface of the screen to realize functions of input devices of writing touch, a mouse, a keyboard and the like. The touch device can be also put on a table top and even any planes to be used as a handwriting input device of an electric appliance by connecting with the electric appliance through a data communication component, thereby substituting the traditional external input devices of the keyboard, the mouse, a writing board and the like, and realizing the assembled type touch screen technology and functions. The touch device has convenient installation, reduces the cost ...

Multifunctional supramolecular hydrogel for preventing postoperative tissue adhesion and preparation method thereof

The invention discloses multifunctional supramolecular hydrogel for preventing postoperative tissue adhesion and a preparation method thereof. The hydrogel is composed of an injectable temperature-sensitive gel-forming material, an active oxygen scavenging drug and a polyphenol compound. During preparation, the three components are uniformly mixed in water according to a certain sequence to obtainthe multifunctional supramolecular hydrogel for preventing postoperative tissue adhesion, wherein the injectable temperature-sensitive gel forming material accounts for 0.1-30 wt%, the active oxygenscavenging drug accounts for 0.01-10 wt%, and the polyphenol compound accounts for 0.1-50 wt%. The gel material can be locally applied to prevention and treatment of epidural fibrosis adhesion and tissue adhesion after other surgical operations in laminectomy. The administration mode comprises subcutaneous injection, intracavity injection and smearing and any combination of the above modes. The hydrogel ...

Backlight module

A backlight module comprises a frame body, a light guide plate and an elastic structure. The frame body comprises a plurality of side walls. The light guide plate is arranged between the side walls, and a gap is formed between the light guide plate and one of the side walls of the frame body. The elastic structure is arranged in the gap and makes contact with the side wall of the frame body and the side face of the light guide plate, a hollowed-out area is formed by the elastic structure, and the hollowed-out area is used for providing a space for deformation of the elastic structure when thelight guide plate expands or contracts so that the elastic structure can make continuous contact with the side wall of the frame body and the side face of the light guide plate. The backlight module provided by the utility model can provide good support for the light guide plate in high-temperature and low-temperature environments.

Interaction equipment

The utility model provides an interactive device which comprises a shell, and a projection unit, a signal emission unit, an infrared camera, a wide-angle camera, a depth high-definition camera and other structures are accommodated in the shell. Wherein the shell comprises a front shell and a rear shell of which the upper parts are communicated; a T-shaped window is formed in the high position of the front wall face of the front shell, and a plurality of through holes are formed in the low position. Lenses of the infrared camera, the wide-angle camera and the RGB camera correspond to the upperpart of the T-shaped window; light of the projection unit penetrates out of the front shell through the lower portion of the T-shaped window. The signal transmitting unit is configured to generate aninfrared grating, and the infrared grating penetrates out of the front shell through a plurality of through holes in the front wall surface of the front shell; and the calculation board is connected with ...

Hydrogen peroxide responsive compound for imaging and therapy and synthetic method thereof

The invention discloses a hydrogen peroxide responsive compound for imaging and therapy and a synthetic method thereof. The chemical structure of the responsive compound is shown in the following figure defined in the specification. The invention also provides the synthetic method of the hydrogen peroxide responsive compound. The synthetic method comprises the step of reacting a monohydroxy compound with oxalyl chloride in an organic solvent containing an acid-binding agent to obtain the hydrogen peroxide responsive compound. The synthetic method of the responsive compound is simple and easy for large-scale synthesis; the nano-particles can be prepared by different methods, and the auxiliary chemiluminescence characteristic of the nano-particles has hydrogen peroxide responsiveness; when the monohydroxy compound is a small molecular drug, a hydrogen peroxide responsive prodrug can be obtained and is used for preparing a nano-drug for preventing and treating inflammation and oxidative stress ...

Cleaning device for postoperative surgical instruments

A cleaning device for postoperative surgical instruments relates to the field of surgical instrument cleaning and comprises a box body, a supporting plate is arranged on the box body, a rotating disc is rotatably connected to the supporting plate, and a rotating rod is arranged on the rotating disc. Surgical instruments in various shapes can be rapidly fixed through contraction of the telescopic rod in the square hole, universality is high, the motor drives the rotating disc and the fixed surgical instruments to rotate and enter clean water in the box body for washing, the automation degree is high, safety is high, fins are pushed through water flow to drive the rotating rod and the telescopic rod to rotate, and the cleaning effect is good. The brush head can rotate on the surface of the surgical instrument, the cleaning effect is improved, the rotating disc can deflect at will through spherical pair connection of the rotating disc and the mounting ball, the surgical instrument is convenient ...

Motion effect visualization method based on wearable intelligent clothing system

The invention discloses an action force effect visualization method based on a wearable intelligent clothing system, and the method comprises the steps: collecting a limb action signal of a user, and determining a reading state of the limb action signal, the reading state comprising normal reading and abnormal reading; classifying the normally read limb action signals, and dividing the limb action signals into action strength and action speed; and mapping the action strength and the action speed to a three-dimensional human body model, and visually presenting force effect data of the action strength and the action speed. According to the method, the limb action signals of the user can be collected based on the wearable clothes, the corresponding action force effect data in the limb action signals are determined, and finally the action force effect data are mapped to the three-dimensional human body model to be presented, so that the visualization of the action force effect is realized.

Molding shell manufacturing device for precision casting

The invention discloses a precision casting shell making device which comprises a bottom plate, bases are fixedly connected to the two sides of the upper surface of the bottom plate, mounting supports are fixedly connected to the bases on the two sides, shrinkage assemblies are mounted on the mounting supports on the two sides, cooling assemblies are mounted on the shrinkage assemblies, and molds are mounted on the cooling assemblies on the two sides. And injection molding holes are formed in the upper surfaces of the molds on the two sides, connecting pipes are installed on one sides of the cooling assemblies on the two sides, the connecting pipes are fixedly connected to water storage tanks, the water storage tanks are fixedly connected to the two sides of the inner wall of a fixing support, and the water storage tanks are fixedly connected to the upper surface of the fixing support. And the copper pipe is arranged in the mounting plate, and the conveying fan is mounted on the surface ...

Display Panel

The present invention provides a display panel which includes multiple cell-zones which form multi-row and multi-line along a first direction and a second direction. Each cell-zone of the display panel includes multiple first color sub-pixels, multiple second color sub-pixels and multiple third color sub-pixels. In any line, a first interval between any of the first color sub-pixels and the neighboring color sub-pixel has at least four distances. The display panel provided by the present invention can avoid fuzzy background images caused by the phenomenon of interference and diffraction produced the same color sub-pixels to strengthen the penetration rate and the definition of the display panel.

Winder and communication control system for coal mine

The invention relates to a winder and a communication control system for a coal mine, the winder comprises a fixed base, the fixed base comprises a base body and a rotating shaft connected with the base body, the base body is provided with a first electric connector, and the first electric connector is connected with a lower computer cable; the conductive slip ring comprises a fixed part and a rotating part which sleeves the fixed part and can rotate relative to the fixed part, the fixed part is electrically connected with the first electric connector, and the fixed part is fixedly connected to the rotating shaft; and the rotating disc assembly comprises a sleeve, the sleeve is arranged on the conductive slip ring in a sleeving mode, the sleeve is provided with a second electric connector, the second electric connector is electrically connected with the conductive slip ring, and the second electric connector is used for being connected with a cable, so that the sleeve can rotate relative ...

Worm and gear type wind turbine blade adjusting mechanism

The invention relates to the technical field of wind power generation equipment, in particular to a worm and gear type wind turbine blade adjusting mechanism. In the prior gear art, an adjusting mechanism has the problems that mechanism torque which needs to be adjusted is large, reliability is poor, and blade angles cannot be controlled easily. The mechanism comprises a worm gear base, an engine room cylinder wall, a driving motor fixing disc, a gear mechanism and a worm and gear mechanism. The engine room cylinder wall is connected to the driving motor fixing disc. The worm gear base is arranged on the engine room cylinder wall. A main transmission gear is assembled between the worm gear base and the driving motor fixing disc through a bearing and a bearing base. Two circles of transmission gears are arranged around the main transmission gear. The worm and the outer circle transmission gear are assembled between the driving motor fixing disc and the worm gear base coaxially. A worm wheel ...

Split type exhaust manifold and three-way catalyst assembly

The invention provides a split type exhaust manifold and a three-way catalyst assembly, and relates to the technical field of automobile parts. The split type exhaust manifold and three-way catalyst assembly comprises a three-way catalyst assembly, an exhaust manifold assembly and a mounting mechanism, the three-way catalyst assembly comprises a clamshell, a front end cone and a rear end cone are fixedly arranged at the two ends of the clamshell respectively, a differential pressure pipe support is fixedly arranged at the lower end of the clamshell through a first bolt, and the differential pressure pipe support is fixedly connected with the exhaust manifold assembly through a second bolt. A front oxygen sensor is fixedly arranged on the front end cone, a rear oxygen sensor is fixedly arranged on the rear end cone, a mounting plate is fixedly arranged at the upper end of the front end cone, the exhaust manifold assembly comprises a mounting disc, and a plurality of exhaust manifolds are ...

Suspension performance analysis method and system based on suspension K&C (Kinematics and Compliance) characteristics

The invention provides a suspension performance analysis method and system based on suspension K&C (Kinematics and Compliance) characteristics. The method comprises the following steps: reading and storing the vehicle parameters and the suspension K&C characteristic parameters of a plurality of vehicles, wherein the vehicle parameters comprise vehicle models and suspension forms; searching the suspension K&C characteristic parameters relevant to the vehicle model and the suspension form of the selected vehicle from the stored suspension K&C characteristic parameters; according to the searched suspension K&C characteristic parameters, setting a suspension performance target of the selected vehicle; and extracting preset suspension K&C characteristic parameters from the searched suspension K&C characteristic parameters, and calculating a handling stability objective indicator of the selected vehicle according to the preset suspension K&C characteristic parameters. The suspension performance ...

Parameter identification method and device of battery equivalent circuit model and readable storage medium

The embodiment of the invention provides a parameter identification method and device for a battery equivalent circuit model and a readable storage medium. The method comprises the steps that the target direct-current internal resistance of a to-be-detected battery under the preset temperature and the preset charge state of a first working condition is acquired; a first resistance value of the battery under the preset temperature and the preset charge state of a second working condition is obtained, and the first resistance value represents the resistance value of the ohmic internal resistance of the battery; according to the target direct current internal resistance and the first resistance value, a target constraint condition is determined, and the target constraint condition is used for constraining the relation between the target direct current internal resistance and the first resistance value and the resistance values of all to-be-identified resistors in the equivalent circuit model ...

Display device

The present invention discloses a display device comprising a display panel, a light guide plate, at least one light source and at least one reflective body. The light guide plate is disposed opposite to the display panel. The light guide plate has at least one light incident surface, one light emitting surface, one back surface, a plurality of concave microstructures and a plurality of reflective bodies. The back surface is far away from the display panel compared with the light emitting surface. The light incident surface is connected between the light emitting surface and the back surface. The reflective bodies are arranged in the concave microstructure. A light source is arranged opposite to the light incident surface.

Cutting device for waterproof building materials

The utility model discloses a cutting device for waterproof building materials, and relates to the technical field of cutting devices. Supporting frames are bilaterally symmetrically fixed on the upper surface of the base; a storage bin is arranged between the left support frame and the right support frame; a supporting block is fixed on the base on the front side of the discharge port; second notches are symmetrically formed in the base on the left side and the right side of the supporting block; a motor is fixed in the second notch through a frame and screws. An output shaft of the motor is inserted into one end of the coupling; a threaded rod is inserted into the other end of the coupling; a pressing plate is suspended above the supporting block; adjusting blocks are clamped at the left and right ends of the pressing plate in a penetrating manner; the left end and the right end of the pressing plate are movably arranged on the threaded rod in a sleeving manner through adjusting blocks ...

Method for culturing monopetalous petunia hybrida test-tube flowers

The invention discloses a method for culturing monopetalous petunia hybrida test-tube flowers. The method comprises the following steps: sterilizing seeds of a long-day monopetalous petunia hybrida variety serving as an explant; putting the seeds on the surface of an MS medium and germinating; cutting stems with 2-3 leaves after sprouts grow out, inserting the stems into a subculture medium for continuous subculture; cutting stem tips with 4-6 leaves from subculture seedlings, and inoculating to a flower bud medium; and generating flower buds and blooming by cultural environmental induction to finally form test-tube flowers. The method has the beneficial effects that: the plant size, flower bud induction and flower bud blooming of petunia hybrida in test tubes are manually controlled by virtue of a tissue culture technology so as to finally obtain test-tube flowers; the test-tube flowers have the characteristics that flowers are of various colors, the flowering phase can last for one month ...

Detecting method for computer parallel port and detecting method for parallel port dataline

Switching control method for network-forming inverter with phase supporting capability under fault

The invention discloses a switching control method for a network-constructed inverter with a phase supporting capability under a fault, and the method comprises the steps: enabling the network-constructed inverter to normally work in a voltage source control mode, inputting an angular velocity compensation control link based on the phase change of a power grid when the current is detected to be out of limit under the fault, and enabling the current to be out of limit; the actual phase difference between the inverter output internal potential phase and the power grid is reduced, and meanwhile the phase supporting capacity is provided. A PI control link is introduced into the current amplitude limiting control module, and the situation that the amplitude of the internal potential changes drastically due to current amplitude limiting under a fault is improved. Smooth switching of a voltage source control mode and a current source control mode is achieved through internal potential phase and ...

Stainless steel casting pouring device

The stainless steel casting pouring device comprises a bottom plate, fixing plates are fixedly connected to the two sides of one end of the upper surface of the bottom plate, a pouring assembly is provided with a slurry storage box, supporting legs are fixedly connected to the upper surface of the bottom plate, and supporting plates are fixedly connected to the two sides of the upper surfaces of the supporting legs; a slurry storage box is arranged on the two sides of the support plate, a slurry flow guide plate is fixedly connected between the two support plates, the slurry flow guide plate is located below the slurry storage box, a pouring mold is arranged below the other end of the slurry flow guide plate, and protection assemblies are installed on the upper surfaces of the support plates on the two sides. The threaded ring is arranged on the rear side of the lifting block, and a second limiting rod movably penetrates through the rear portion of the lifting block, so that the lifting ...

Resin substrate palladium-free activation chemical copper deposition process

The invention relates to a palladium-free activation chemical copper deposition process for a resin substrate, which comprises the following steps of: (1) sequentially carrying out oil removal treatment and roughening treatment on the resin substrate to obtain a pretreated resin substrate; (2) immersing the pretreated resin substrate into a pyrrole solution for a period of time, then immersing the resin substrate into a ferric chloride solution, standing for a period of time to obtain a substrate with a polypyrrole film, placing the substrate with the polypyrrole film above boiling water, fumigating the substrate with the polypyrrole film by water vapor, and drying the substrate with the polypyrrole film to obtain the substrate with the polypyrrole film. Washing to obtain an activated substrate; and (3) immersing the activated substrate into a chemical copper deposition solution, and carrying out chemical copper deposition to obtain a chemical copper plating layer. Compared with the prior ...

Problem processing method and device, computer readable storage medium and terminal

The invention discloses a problem processing method and device, a computer readable storage medium and a terminal, and the method comprises the steps: determining a to-be-diagnosed business process, the to-be-diagnosed business process comprises multiple layers, and each layer comprises one or more to-be-diagnosed business nodes; traversing the to-be-diagnosed service node layer by layer, performing initial analysis on the traversed buried point data of the current to-be-diagnosed service node, when the analysis result is normal, pruning each to-be-diagnosed service node of the next layer of the current to-be-diagnosed service node, and determining whether the current to-be-diagnosed service node is normal or not; continuing to analyze the burying point data of the next to-be-diagnosed service node until the initial analysis result of the burying point data of the current to-be-diagnosed service node is abnormal; performing reanalysis at least based on the abnormal burying point data to ...

Buried sewage treatment device

The invention relates to a buried sewage treatment device which comprises a grating, an anaerobic pool and a settling pond, and further comprises an activating pool, wherein the sewage treatment device is further provided with a sludge pool, the activating pool is internally provided with a cavity for accommodating sewage, the cavity is internally provided with a stirring device, and the activating pool is provided with a surfactant inlet and a sewage inlet. The device provided by the invention is used for stirring sludge by virtue of the stirrer to forwardly and reversely shear sludge, so that dirt in the sludge can be thoroughly sheared and crushed. A surfactant can be added by virtue of the surfactant inlet and the wrapped dirt is favorably dissociated on the surface, so that the sewage treatment efficiency is improved.

Method for preparing CW7213 by polypeptide solid-phase synthesis

The invention provides a method for preparing CW7213 by polypeptide solid-phase synthesis, which comprises the following steps of: with Fmoc-Gly-WANG resin as an initial raw material, Fmoc protected amino acid as a monomer and HBTU (Benzotriazole-N,N,N'N'-hexafluorophosphate)/HoBT (1-Hydroxybenzotrizole) as a condensing agent, charging nitrogen in a sand core funnel for gradually connecting amino acids to obtain protected 24 peptide resin; removing Fmoc protecting groups in sequence; synchronously removing side chain protecting groups and cutting peptide and adding diethyl ether for sedimenting to obtain a crude product of CW7213; subjecting the crude product to separation and purification by a C18 column; and carrying out freezing and drying to obtain a product (comprising medically available salts, such as acetate, trifluoroacetate, and the like). The method provided by the invention has the advantages of stable and mature process, convenience of raw and auxiliary material sources, high ...

Water guiding and spraying preventing device for coal mine tunnel and mounting method of water guiding and spraying preventing device

The invention provides a water guiding and sprinkling preventing device for a coal mine roadway, which comprises a mining roadway, a water guiding material is mounted in the mining roadway, a plurality of preformed holes are respectively formed in two ends of the water guiding material, and a waterproof film is arranged on one side of the water guiding material; the device further comprises a combined mounting mechanism, the combined mounting mechanism comprises a connecting plate, and the water guide material is suspended on an anchor net of the mining roadway through a lifting hook. The water spraying prevention device is stable in structure, economical in cost, environment-friendly in material, light and convenient to carry and capable of being repeatedly used, and repair and maintenance of the mining roadway due to water spraying in the later period are effectively avoided; the reserved holes are used for fixed installation, the installation stability is kept, the waterproof film is ...

Transfer pump velocity of flow adjusting device

The utility model belongs to the technical field of medical instrument and specifically relates to a transfer pump velocity of flow adjusting device, the utility model aims at providing a can carry out the transfer pump velocity of flow adjusting device that adjusts to the liquid medicine flow according to clinical demand, it comprises upper cover, base, flow pipe, adjust knob key, adjust knob, nonrust steel ball and spring, both ends at the base are equipped with feed inlet and discharge gate respectively, are equipped with three flow pipes on the base at least, and the cooperation of upper cover and base is equipped with adjust knob in the cavity that forms is connected to upper cover and base, adjust knob and the connection of adjust knob key, and adjust knob is the cylinder, is equipped with a plurality of gears in the position of adjust knob's centre, still is equipped with a plurality of regulated flow subassemblies on adjust knob, and the number that the number of regulated flow ...

Edge-defocused far image system capable of preventing myopia, device and electronic equipment

The invention belongs to the technical field of optical imaging, and particularly relates to an edge-defocused far image system and device capable of preventing shortsightedness and electronic equipment. The first reflecting mirror is a light-proof total reflection mirror with a free-form surface, and the first reflecting mirror is arranged in a first direction of the image screen and is used for reflecting an image source emitted by the image screen; the second reflecting mirror is a light-proof total reflection mirror with a free-form surface, the second reflecting mirror is arranged in the first direction of the image screen, the second reflecting mirror and the first reflecting mirror are arranged in a spaced mode, and the second reflecting mirror is used for reflecting the image source reflected by the first reflecting mirror. The device and the electronic equipment comprise the remote image system. Through the edge defocusing far image system and device capable of preventing myopia ...

Ketene triazole compound and synthesis method thereof

The invention discloses a ketene triazole compound and a synthesis method thereof. The structural formula of the compound is disclosed in the specification. Alkyl or aryl azide and various substituted 2-furancarbinol used as initial raw materials are subjected to Lewis-acid-promoted [3+2]-cycloaddition/furan ring opening cascade reaction to generate a (E)-configuration 1,2,3-triazole and ketene/aldehyde conjugated skeleton structure. The method is simple to operate, the reagent is the low-cost Lewis acid, and the substrate has wide application range; and thus, the method can be used for synthesizing a series of high-functional-group substituted complex ketene triazoles, and has the advantages of high economical efficiency of steps, diversified product structures and stereospecificity of (E)-configuration.

One key on-and-off unit for computer and reset device and method

Drive mechanism of body-building equipment

The invention discloses a drive mechanism of body-building equipment, which mainly comprises a guide unit, a damping unit and a pair of actuating components, wherein a sliding sleeve of the guide unit can be arranged on a guide rod of the guide unit in a sliding manner and is connected with a cylinder body of the damping unit and the pair of actuating components respectively so that the cylinder body of the damping unit moves along a straight line relative to a piston rod under the drive of the sliding sleeve of the guide unit, friction between the cylinder body and the piston rod is avoided and a uniform damping force can be applied to the pair of actuating components which are symmetrically arranged at the same time to allow the pair of actuating components to actuate synchronously.

Digital display type submarine flange positioning instrument

The invention aims at disclosing a digital display type seabed flange positioning instrument which comprises a first instrument assembly and a second instrument assembly, and the first instrument assembly and the second instrument assembly are fixed to the two sides of a to-be-detected pipeline flange respectively. The first instrument assembly is formed by fixing an angle measuring device used for measuring the relative angle between flange faces of a to-be-measured pipeline and a length measuring device used for measuring the relative distance between the flange faces of the to-be-measured pipeline into a whole, and the second instrument assembly is formed by an angle measuring device used for measuring the relative angle between the flange faces of the to-be-measured pipeline. Compared with the prior art, the device is stable and reliable in working, and indexes such as precision and voltage resistance meet design requirements; the deep-water submarine petroleum pipeline connecting device ...

Identification device for field investigation

The utility model discloses an identification device for field investigation. The device comprises a first positioning identification rod and a second positioning identification rod, the second positioning identification rod is inserted into the upper side of the first positioning identification rod; an identification head part is mounted at the upper end of the second positioning identification rod; an identification lamp is mounted in the identification head part; a first tip is mounted at the lower end of the first positioning identification rod; a first stable support leg is mounted on theouter side of the lower part of the first positioning identification rod; a second stabilizing support leg is inserted into one end of the first stabilizing support leg; a second tip is arranged at one end of the second stable support leg; according to the marking device for on-site investigation, the lower side of the marking rod can be supported through the first stabilizing supporting foot andthe ...

Member point instance construction method and device of service platform, medium and terminal

A member point instance construction method and device for a service platform, a medium, and a terminal, the member point instance construction method comprising: receiving an instance configuration request of a user, the instance configuration request being used for indicating description information of newly added metadata; original member point instances of the users are obtained, the original member point instances comprise basic metadata, and the basic metadata of different users are the same; newly added metadata are constructed based on the description information; and constructing a member point updating instance of the user, wherein the member point updating instance comprises the basic metadata and the newly added metadata. According to the scheme, the member point demands of different users can be met under the condition of not changing the original basic metadata (namely, the original architecture).

Farmland ecological environment index determination method, device and equipment

The embodiment of the invention provides a farmland ecological environment index determination method, device and equipment. The method comprises the following steps: acquiring remote sensing data of a target area farmland; according to the remote sensing data of the target area farmland, determining a result of a target index in an ecological environment index model of the target area farmland; the target indexes comprise an agricultural condition index, an environment index and a disaster index; and determining the ecological environment index of the farmland in the target area according to each index result in the target indexes and the target weight of each index. According to the method provided by the embodiment of the invention, the agricultural condition index, the environment index and the disaster index of the target area farmland are determined according to the remote sensing data of the target area farmland, and then the comprehensive evaluation of the farmland ecological environment ...

Pasture harvesting method

The invention relates to a pasture harvesting method and aims to solve the technical problem that an existing harvesting method has the defect of excessive harvesting without consideration of the benefit of ecological environment and the defect of low utilization rate due to overemphasis on ecological environment protection. The pasture harvesting method includes: 1, previous preparation; 2, starting of the harvesting. By the aid of the pasture harvesting method, 25%-40% more pastures can be output by per square meter, the pastures can be directly fed or mixed into the feed, usage amount of the feed is lowered, and the harvested pastures are high in crude protein content and good in palatability; harvesting is completed in two times, a vegetative growth phase of the pastures is prolonged, and normal growth and development of the pastures can be completed; the pastures harvested by the pasture harvesting method are 7-10 days earlier in sprouting compared with the pastures harvested according ...

Method for producing liquid bio-fertilizer from potato cell sap

The invention provides a method for producing a liquid bio-fertilizer from potato cell sap. The method comprises the following steps of: selecting potato cell sap and dry potato pulp as raw materials; selecting potato cell sap sterilized by ultraviolet ray and potato pulp sterilized by microwaves, adding a composite microbial agent, uniformly mixing the materials and performing heat preservation and fermentation; uniformly mixing the fermented potato cell sap and the potato pulp, continuously inputting the mixture into an ultrahigh pressure homogenizer to fully homogenize, disperse and emulsify the material to obtain the potato cell sap and pulp emulsion; and adding the emulsion into the composite microbial agent, cellulose and protease under an aseptic condition, uniformly mixing the materials and bottling the mixture aseptically to obtain the liquid bio-fertilizer. The method has the advantages of high speed, high yield and the like; the organic content of the liquid bio-fertilizer reaches ...

Laser-based three-dimensional holographic imaging method, three-dimensional holographic imaging device and equipment

The invention relates to the technical field of image imaging, in particular to a laser-based three-dimensional holographic imaging method, a laser-based three-dimensional holographic imaging device and laser-based three-dimensional holographic imaging equipment. The invention provides a laser-based three-dimensional holographic imaging method, which comprises the following steps of: processing a to-be-displayed image to obtain first data corresponding to a first polar coordinate and second data corresponding to a second polar coordinate, the first data comprises attitude information and angular velocity information of a first scanning galvanometer component, first pixel point position information and first laser beam on-off information, and the second data comprises attitude information and angular velocity information of a second scanning galvanometer component, second pixel point position information and second laser beam on-off information; controlling the first laser beam according ...

Straight rack type wind turbine blade adjusting mechanism

The invention relates to the technical field of wind power generation equipment, in particular to a straight rack type wind turbine blade adjusting mechanism to solve the problems that the adjusting mechanism in the existing gear wheel technology is poor in reliability, a large torque of the adjusting mechanism is required, and a blade angle is difficult to control. The straight rack type wind turbine blade adjusting mechanism comprises a driving motor fixed disk, an engine room cylindrical wall, a rack fixed front disk, a rack fixed rear disk, a front pressure disk, a rear pressure disk, a gear and rack mechanism, a screw and nut mechanism, three sliding bar bearing pedestals, sliding bar bearings and sliding bars; the front pressure disk is connected on the driving motor fixed disk; the three sliding bar bearing pedestals are uniformly arranged on the rear pressure disk; blade shafts are mounted on the engine room cylindrical wall by bearings; gears are fixed at the end parts of the blade ...

Biochar combined application organic-inorganic fertilizer and method for improving salinized soil by using biochar combined application organic-inorganic fertilizer

The invention relates to the technical field of organic and inorganic fertilizers, and particularly discloses a biochar combined organic and inorganic fertilizer and a method for improving salinized soil thereof.The biochar combined organic and inorganic fertilizer is prepared from, by weight, 45-55 parts of animal waste, 25-30 parts of plant ash, 15-20 parts of urea, 8-12 parts of calcium superphosphate, 4-8 parts of monopotassium phosphate, 1-2 parts of humic acid and 0.5-1 part of amino acid. Animal waste is adopted as an organic raw material, plant ash, urea, monopotassium phosphate, calcium superphosphate and other raw materials are matched, through blending of the raw materials, rich organic matter, potassium, nitrogen, calcium and other elements can be provided for salinized soil, meanwhile, amino acid is added, rich organic acid substances are provided for the product, the physical properties and biochemical characteristics of the soil are improved, and the soil quality is improved ...

Touch interactive projection ray machine without external laser and camera module

The invention relates to the technical field of optical projection, and provides a touch interactive projection ray machine without an external laser and a camera module, the touch interactive projection ray machine comprises an imaging illumination assembly, a polarizer group and a projection lens group which are sequentially arranged along a light path, and an LCOS modulation chip is arranged on the light emitting side of P polarized light or S polarized light of the polarizer group. A CMOS camera chip is arranged on the LCOS modulation chip at a symmetrical position relative to a film coating plane of the polarizer group; the red light, the green light, the blue light and the infrared light form combined light through a plurality of dichroscopes in the imaging illumination assembly. When a finger of a user slides in a projection area, infrared light spots can be reflected on the finger, and the light spots return along an original path through the projection lens group and are received ...

Polarization conversion component based on micro-nano structure

The invention provides a polarization conversion component based on a micro-nano structure. The polarization conversion component comprises a glass substrate; the first micro-nano structure is arranged on the incident surface of the glass substrate; the second micro-nano structure is arranged on the emergent surface of the glass substrate, and the second micro-nano structure and the glass substrate are staggered in the vertical direction; the mixed incident light is incident to the first micro-nano structure in a set incident direction, and the mixed incident light is divided into first polarized light and second polarized light after passing through the first micro-nano structure; the first micro-nano structure refracts the first polarized light and transmits the second polarized light at a set refraction angle, the first polarized light is refracted to the second micro-nano structure after passing through the first micro-nano structure, and the second micro-nano structure refracts the ...

High-contrast thermal-out-of-focus-free LCOS (Liquid Crystal On Silicon) projection ray machine

The invention relates to the technical field of projection equipment, and provides a high-contrast thermal-defocus-free LCOS projection light machine, which comprises a light source assembly, a polarization conversion sheet, a PBS prism and a projection lens which are sequentially arranged along a projection light path, and is characterized in that the polarization conversion sheet is used for converting P polarized light in composite light generated by the light source assembly into S polarized light; the PBS prism is used for transmitting the P polarized light and reflecting the S polarized light, and an LCOS chip is arranged on the light emitting side of the S polarized light of the PBS prism and used for modulating the polarization state of a projection image signal into a P polarization state. By adopting a mode that different lens modules are matched with each other, the proportion of polarized light used by the LCOS chip can be effectively improved so as to improve the lighting effect ...

Hybrid MMC virtual inertia control strategy based on transient and steady state cooperation

The invention discloses a hybrid MMC virtual inertia control strategy based on transient and steady state cooperation in the technical field of modular multilevel converters. The control strategy comprises a direct current loop with a virtual inductance control strategy and an alternating current loop with a virtual capacitance control strategy. According to the control strategy, the inertia of the capacitor voltage of the sub-module under the direct-current fault can be increased, so that the capacitor voltage quickly returns to a set value, the inertia of the direct-current voltage under the steady-state load fluctuation can be increased, and the anti-interference capability is enhanced; the short-circuit current in the transient process can be reduced to 40% of the original short-circuit current, the capacitor voltage fluctuation peak value of the sub-module is reduced to half of the original capacitor voltage fluctuation peak value, the direct-current voltage fluctuation is reduced ...

Monitoring device for full-section deformation of surrounding rock of underground roadway

The invention provides an underground roadway surrounding rock full-section deformation monitoring device which comprises a roadway body, roadway surrounding rock is arranged on the roadway body, a plurality of anchor rod bodies are arranged on the roadway surrounding rock, one end of each anchor rod body is connected with a monitoring mechanism, and the monitoring mechanism is installed on one side of the roadway surrounding rock. The monitoring mechanism comprises a base, a main body and a laser range finder body, a laser emission port is formed in the laser range finder body, installation is conducted through the rotation angle and the measurement distance of the laser range finder and by means of an anchor rod commonly used for underground roadway supporting, the installation method is simple and reliable, and adaptability is high; compared with a traditional cross measurement method, the method is simple in operation, is high in precision, can achieve the continuous monitoring, does ...