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Method and system for automatically testing optimal working point of frequency sweeping source of extension cavity

The invention belongs to the field of laser testing, and provides an automatic testing method and system for the optimal working point of an extension cavity sweep frequency source, and the method comprises the steps: determining the maximum output power and the minimum driving current of the extension cavity sweep frequency source through the analysis of the tail fiber lasing power and injection current distribution trajectory of the extension cavity sweep frequency source; the optimal working current point is determined by analyzing the tuning wavelength and the tolerance current distribution trajectory; a tuning wavelength and control temperature part trajectory is obtained by testing resonance output wavelength distribution data at different control temperatures, and the tuning wavelength and control temperature distribution trajectory is analyzed to determine an optimal working control temperature point; and forming and outputting the optimal working point of the frequency sweeping ...

Cable is easily accomodate and is filled electric pile

... 本实用新型公开了种电缆易收纳充电桩，可有效避免充电电缆相互缠绕给人们带来的不便，包括充电桩本体和由充电桩本体下端伸出的若干带插头的充电电缆，所述充电桩本体底面设置有收纳盒，所述收纳盒内设置有与所述充电电缆相同数量的绕线盘，所述绕线盘两端均设置有分别穿过所述收纳盒前后侧壁的转轴，收纳盒后侧壁上固定有输出轴与所述转轴固接且可以正反转的电机，所述电机数量与绕线盘数量相同，收纳盒前侧壁上设置有控制所述电机正转、反转和停止的按钮区；所述充电电缆分别缠绕于对应绕线盘上，其插头向下伸出收纳盒。 ...

Equipment data presentation method based on three-dimensional geographic visualization technology

The invention belongs to the technical field of power system marketing and distribution management, and particularly relates to an equipment data presentation method based on a three-dimensional geographic visualization technology, which comprises the following steps: retrieving power system equipment in a three-dimensional map; the quantity of the retrieved power system equipment is fixed, and the smaller the level of the three-dimensional map during retrieval is, the smaller the data volume of the equipment account data of each power system equipment displayed by the three-dimensional map is; in the database, multiple pieces of equipment account data of each type of power system equipment are adapted to different display priorities; the method has the advantages and positive effects that (1) the larger the level of the three-dimensional map is, the smaller the displayed area is, the smaller the number of devices in the displayed area is, and although the data volume of the displayed single ...

Control method and device

The invention discloses a control method and device, and the method comprises the steps: obtaining a target parameter of electronic equipment; determining a current target frequency band of the electronic equipment; if the target parameter meets a first condition, enabling the target frequency band response to configure a communication component of the electronic equipment based on a target algorithm; the target algorithm is adapted to the target frequency band.

METHOD AND SYSTEM FOR SUPPLEMENTAL LIGHTING CONTROL FOR PLANT BASED ON DAILY ACCUMULATED LIGHT EXPOSURE

A method for supplemental lighting control for a plant based on daily accumulated light exposure. The method is: calculating, on the basis of a daily accumulated light exposure and a duration of light exposure that a plant requires, an hourly accumulated light exposure required per hour on average; monitoring the intensity of light exposure of the canopy of the plant after sunset, calculating the sum of hourly accumulated light exposure that the plant requires in each period and all of the preceding periods and the sum of hourly accumulated light exposure actually received, determining, on the basis of the difference between the two, whether supplemental lighting is required, and calculating a duration for supplemental lighting. The present method effectively ensures that the plant acquires light exposure required for normal growth and, at the same time, ensures that supplemented artificial lighting can be efficiently utilized by the plant. Also provided is a system for supplemental lighting ...

Kit for genetic colorectal cancer gene detection and use method

The invention relates to the technical field of gene detection, in particular to a kit for genetic colorectal cancer gene detection and a using method thereof.A shell supports a cover plate, a lifting rod slides up and down relative to the shell so as to drive a supporting frame fixed to the lifting rod to slide up and down, and a supporting plate is arranged in the supporting frame in a sliding mode; a plurality of test tubes are placed in placing holes in the supporting plate, so that the supporting plate slides in the supporting frame, the micro inflation pump inflates the air bags, the air bags arranged on the periphery of the supporting plate are expanded to support the supporting plate and limit the position of the supporting plate, and a plurality of pressure valves are further arranged on the air bags, so that after the air pressure in the air bags is larger than a preset value, the test tubes are placed in the air bags. When the kit is used, the pressure valve is opened to release ...

Anti -theft electric screw

... 防窃电螺丝，包括螺丝杆，还包括侧与所述螺丝杆连接、边缘突出于所述螺丝杆的圆形卡台，设置于所述圆形卡台另侧通过拧断件与圆形卡台连接的螺丝帽，所述的螺丝帽表面设有用于旋紧的凹槽,该凹槽的侧壁沿顺时针方向为垂直侧壁,沿逆时针方向为倾斜侧壁。通过本实用新型可以解决现有技术中从出线单元室松开螺丝分隔板往计量单元窃启用电的缺陷，螺丝帽的凹槽使得螺丝只能拧紧不能拧松，拧紧后的螺丝可以将螺丝帽随拧断件起拧断，防止螺丝被卸。 ...

Movable hydrogenation device

The embodiment of the invention provides a mobile hydrogenation device. The mobile hydrogenation device comprises a gas discharging system 1a, a hydrogen compression system 2a, a hydrogen filling system 3a, a nitrogen system 4a, a hydraulic driving machine 5a, a cooling system 6a, a fuel cell power generation system 7a and a control system 8a. The gas discharging system 1a, the hydrogen compression system 2a, the hydrogen filling system 3a, the nitrogen system 4a, the hydraulic driving system 5a, the cooling system 6a and the fuel cell power generation system 7a are all connected with the control system 9a through electrical control lines and used for achieving automatic control over the whole mobile hydrogenation device. According to the technical scheme, 35 MPa/70 MPa hydrogen fuel filling of hydrogen fuel cell ships and/or locomotives can be conveniently and rapidly achieved without limitation of regions, and the convenience of fuel filling operation is improved.

Laser welding equipment

... 本实用新型属于焊接设备技术领域，特别涉及一种激光焊接设备，包括底座、直线电机、安装架和出射头，所述直线电机设置于所述底座，所述直线电机包括X向直线电机、Y向直线电机和直线电机动子，所述X向直线电机与所述Y向直线电机滑动配合，所述直线电机动子设置于所述Y向直线电机，所述安装架安装于所述直线电机动子上，所述出射头滑动设置于所述安装架。通过上述直线电机与出射头的配合工作，使得焊接速度从30mm/s提升至70mm/s，焊接优率从95%提升至99%，而且该焊接设备结构简单、稳定性好。 ...

BATTERY CELL AND METHOD FOR FORMING SAME

The present application relates to the field of power-storage device production, and in particular, to a battery cell and a method for forming same. The battery cell is formed by alternately winding an anode pole piece, a cathode pole piece, and an isolating membrane; the section of the battery cell is of a rounded-corner square structure with four vertex angles being rounded corners. The forming method comprises: a. placing a battery cell to be pressed among a top plane, a bottom plane and two side planes, one side of the battery cell to be pressed perpendicular to the thickness direction being in contact with the bottom plane, and a certain spacing existing between the battery cell to be pressed and each side plane; b. performing hot pressing on the battery cell to be pressed by means of hot pressing, so that the battery cell to be pressed is squeezed by the top plane, the bottom plane and the two side planes together until the battery cell, the section of which is of a rounded-corner ...

Volume grating diffraction efficiency automatic test method and system based on tunable laser

The invention provides a volume grating diffraction efficiency automatic test method and system based on a tunable laser. The method comprises the following steps: setting initial test parameters of the tunable laser, a thermostat, an optical power meter and an optical wavelength meter; connecting the volume grating to be measured to a tunable laser, and obtaining measurement data of an optical power meter and an optical wavelength meter of an actuator at different spatial positions; analyzing the obtained measurement data to obtain a change relation curve between the output light power of the plurality of diffraction order light of the volume grating to be measured and the resonance output wavelength; and analyzing the change relation curve to obtain relative diffraction efficiency distribution data of the to-be-measured volume gratings of different levels. According to the invention, the relative diffraction efficiency of volume gratings with different batches, different wavelengths, ...

Position adjusting device and method for tunable laser source resonant cavity reflector

The invention belongs to the technical field of lasers, and particularly relates to a position adjusting device and method for a tunable laser source resonant cavity reflector, and the device comprises a reflector supporting mechanism and an actuating mechanism located below the reflector supporting mechanism. The reflector supporting mechanism comprises a reflector supporting arm, a cantilever and a reflector supporting plate. The lower end of the reflector supporting arm is connected with one end of the cantilever, and the other end of the cantilever is rotationally connected with the actuating mechanism; the upper end of the reflector supporting arm is connected with a reflector supporting plate, and a reflector supporting point is arranged on one side of the reflector supporting plate. The position adjusting device for the resonant cavity reflector of the tunable laser source provided by the invention adopts a separated design, so that the machining difficulty can be reduced; the included ...

Wellhead logging cable guiding device

The invention provides a wellhead logging cable guiding device. The wellhead logging cable guiding device comprises a left barrel, a right barrel, a pulley, a roller shaft and a bearing seat. The bottoms of the left cylinder and the right cylinder are flange bases, and the side ends of the left cylinder and the right cylinder are bulges; the left barrel body and the right barrel body are installed on the well mouth base through the flange base, a protrusion of the left barrel body and a protrusion of the right barrel body form a notch for a cable to pass through, and the left barrel body is fixedly connected with the right barrel body; the pulley is located at the notch and rotationally connected with the protrusion, the bearing seat is installed on the upper end face of the left barrel and the upper end face of the right barrel, and the roller shaft is rotationally connected with the bearing seat and used for sliding a cable and transiting the cable from horizontal movement to vertical ...

Method for evaluating operation performance of commercial pressurized water reactor nuclear power station

The invention belongs to the technical field of nuclear power station operation and performance evaluation, and particularly relates to a commercial pressurized water reactor nuclear power station operation performance evaluation method, which comprises the following steps: step 1, determining a constraint index and a constraint index evaluation mode; 2, determining a result type index and a result type index quantitative score mode; 3, determining a process-type index and a process-type index quantitative score mode; 4, checking whether the constraint index of the nuclear power unit breaks through or not; 5, performing performance evaluation on the process type indexes and the result type indexes of the nuclear power unit; and step 6, calculating a final evaluation score of the operation performance of the nuclear power unit according to a constraint index result in the step 5. According to the method, main evaluation indexes are set from the three aspects of constraint, result type and ...

Visual display page zooming method and device and storage medium

The invention provides a zooming method and device for a visual display page and a storage medium, and belongs to the technical field of data processing. The method comprises the steps that the resolution of a display page loaded this time and the window size of a display screen are obtained; determining a rendering zoom scale according to the resolution of the display page and the window size of the display screen; according to the rendering zoom scale, performing equal-proportion zoom operation on the display page and all elements in the display page, and generating an adjusted display page; and rendering and displaying the adjusted display page on the display screen to adapt to the resolution of the display screen. The invention aims to improve the adjustment efficiency of the display page.

Tree obstacle cleaning device for high-voltage transmission line

The invention discloses a high-voltage transmission line tree obstacle cleaning device which is mainly applied to the technical field of transmission line maintenance equipment and comprises an unmanned aerial vehicle, a switch, an antenna, a control box and a remote controller, an unmanned aerial vehicle hanging bracket is arranged at the bottom of the unmanned aerial vehicle in parallel, a control chip and a wireless receiving module are arranged in the control box, the switch is arranged on the side wall, and the antenna is arranged on the top. The control chip, the wireless receiving module, the switch and the antenna are electrically connected, and the four-corner fixing plate, the connecting rod, the saw blade, the connecting base, the battery box, the motor, the speed reducer, the first U-shaped fixing clip, the second U-shaped fixing clip and the connecting rod fixing base are included. The high-voltage power transmission line tree obstacle cleaning device is low in refitting cost ...

Grinding device for preparing waterproof coiled material from nonmetallic minerals

The invention discloses a grinding device for preparing a waterproof coiled material from nonmetallic minerals, and belongs to the field of grinding devices for waterproof coiled material raw materials. The structure of an original solid grinding ring is improved, and the solid grinding ring is improved into a hollow inner inclined cooling grinding ring; an elastic linkage ring piece capable of automatically stretching and moving and a two-section cooling elastic inner inclined ring piece are additionally arranged at the top end of the hollow inner inclined cooling grinding ring, and heat is transferred away through circulating cooling liquid poured into the hollow inner inclined cooling grinding ring, so that the heat is effectively prevented from flowing along with ascending air flow and diffusing and gathering in the whole sealing cylinder; the possibility that the environment temperature in a sealing cylinder is too high due to the fact that a mechanical moving part in the sealing cylinder ...

Application and reagent of hedysarum polybotrys polysaccharide

The invention relates to the field of medicines, and discloses application of hedysarum polybotrys polysaccharide as an active ingredient of a medicine for preventing and treating allergic rhinitis, the hedysarum polybotrys polysaccharide is used for inhibiting histamine and IgE level in serum, improving nasal mucosa tissue damage, relieving mastocyte and eosinophilic granulocyte infiltration and goblet cell hyperplasia in nasal mucosa, and preventing and treating allergic rhinitis. The invention discloses an application of the traditional Chinese medicine composition for treating allergic rhinitis, which can be used for reducing the content of IL-4, IL-5 and IL-17A in a nasal cavity irrigation solution, weakening the apoptosis of nasal mucosa cells and increasing the expression of PINK1, Parkin and LC3II proteins in nasal mucosa tissues, so that the effect of treating allergic rhinitis is achieved, and in addition, the invention also discloses a reagent.

Intelligent infant bed based on 5G network

The invention discloses an intelligent infant bed based on a 5G network, and belongs to the technical field of intelligent infant beds. The intelligent infant bed comprises a bottom plate, four groups of supporting columns are arranged below the bottom plate, movable universal wheels are mounted at the bottom ends of the four groups of supporting columns, one end of the upper part of the bottom plate is connected with a back plate, and a bed assembly is arranged at the side end of the upper part of the back plate. According to the invention, an infant can be lulled to sleep conveniently, the use comfort is improved, the frequency of shaking by man is simulated, the infant can be cared conveniently, intelligent control is realized, parents can take care of the infant remotely, the care time is saved, the convenience of taking care of the infant is improved, and the parents can be engaged in own things while taking care of the infant; through intelligent control, the control efficiency is ...

Centrally installed switchgear energy storage spring replacing device

The invention relates to the technical field of centrally installed switchgear accessory replacement, and discloses a centrally installed switchgear energy storage spring replacement device which comprises an installation frame, a sliding seat slidably connected to the installation frame, a spring clamping jaw installed on the sliding seat and a driving mechanism installed on the installation frame. The sliding seats are symmetrically arranged on the mounting frame, every two symmetrical sliding seats form a group, two groups of sliding seats are arranged on the mounting frame, and one group of sliding seats is arranged between the two sliding seats of the other group; the spring clamping jaws installed on the two sets of sliding bases are located on the same straight line, the spring clamping jaws are matched with gaps in the springs in an embedded and inserted mode, the driving mechanism drives the two sliding bases of each set to move oppositely or reversely, and the driving mechanism ...

Sludge treatment heater

The invention discloses a sludge treatment heater which comprises a shell, a heating pipe and a scraper, the shell is cylindrical, one end of the shell is provided with an inlet, the other end of the shell is provided with an outlet, one end of the shell is provided with a front cover plate, the front cover plate is rotatably connected with the shell, the shell is internally provided with a cavity, the heating pipe is a double-helix heating pipe, and the scraper is arranged in the cavity. The front cover plate is provided with a matching hole, one end of the heating pipe is provided with a power source part, the other end of the heating pipe at least partially penetrates through the matching hole and enters the cavity, the heating pipe is in sliding fit with the matching hole, and the heating pipe moves relative to the shell in the axial direction so as to drive the front cover plate to rotate. The scraper is in a spiral shape, abuts against the inner wall of the shell and is in sliding ...

Application of radix hedysari polysaccharide and medicine or health food containing radix hedysari polysaccharide

The invention belongs to the field of medicines, and discloses application of hedysarum polybotrys polysaccharide in preparation of medicines or health-care foods for improving or treating fluoride hepatotoxicity, the medicines or health-care foods are medicines or health-care foods for inhibiting liver oxidative stress, inflammation or apoptosis level rise caused by fluoride exposure, and fluoride is sodium fluoride. The hedysarum polybotrys polysaccharide is applied to preparation of the medicine or health food for improving or treating fluoride hepatotoxicity; the traditional Chinese medicine composition has the effects of improving the pathological change of liver tissues after fluorine poisoning, inhibiting the increase of active oxygen in the liver tissues caused by fluorine poisoning, improving liver oxidative damage caused by fluorine poisoning, reducing the liver cell apoptosis number after fluorine poisoning, reducing Cleved Caspase-3 expression and resisting inflammation.

Plate type water supply preheater

The invention discloses a plate-type water supply preheater, and particularly relates to the technical field of plate-type preheaters. A protective shell is arranged at the upper end of a placement shell, a water inlet is formed in the middle of the left end of the protective shell, a water outlet is formed in the middle of the right end of the protective shell, and the placement shell is fixedly connected with the lower end of a cleaning device; a through groove is formed in the rear portion of the upper end of the protective shell, a heat dissipation device is arranged on the rear portion of the baffle, and the heat dissipation device is connected with the through groove and the heat dissipation groove in a sliding mode. According to the plate type water supply preheater, the distance between the multiple heat exchange plates can be adjusted through the arranged heat dissipation device, so that dust on the outer surfaces of the heat exchange plates is fully treated, meanwhile, the cleaning ...

Mechanical arm for automatically removing honeycomb and operation method

The invention relates to the technical field of specialized robots, in particular to a mechanical arm for automatically removing a honeycomb and an operation method, and the mechanical arm comprises a mechanical arm packaging shell, a five-degree-of-freedom body structure module, a fixed bottom plate module and a hole breaking drill bit module which are regularly connected; the mechanical arm packaging shell comprises a bottom plate fixing device shell, a steering engine gear module shell and a joint shell. The fixed bottom plate module comprises a mechanical arm fixed bottom plate, and a mechanical arm fixed side plate and a bottom plate supporting block which are connected to one side of the mechanical arm fixed bottom plate side by side; the hole breaking drill bit module comprises a tool fixing plate, a battery module, a tool motor, a motor output shaft and a drill bit. According to the invention, manual operation is replaced by control of the five-degree-of-freedom mechanical arm, ...

Method and system for predicting soybean oil content based on two-dimensional low-field nuclear magnetic resonance technology

The invention belongs to the technical field of soybean oil content prediction, and provides a method and system for predicting soybean oil content based on a two-dimensional low-field nuclear magnetic resonance technology, and the method comprises the steps: firstly, determining inversion spectrums corresponding to soybean seeds before and after drying in sequence based on the two-dimensional low-field nuclear magnetic resonance technology; secondly, extracting a region area corresponding to each soybean seed according to the two inversion spectrums; determining the oil quality corresponding to each soybean seed according to the area of the region corresponding to each soybean seed by using the oil quality calibration curve; calculating the oil content corresponding to each soybean seed according to the oil mass corresponding to each soybean seed and the mass of each soybean seed before drying; and finally predicting the soybean oil content according to the oil content corresponding to ...