Efficient and stable windproof outdoor tent

The invention discloses an efficient stable windproof outdoor tent which comprises a tent body. The tent body comprises tent bottom cloth, first surrounding cloth connected with the tent bottom cloth, annular first connecting cloth connected with the first surrounding cloth, second surrounding cloth connected with the first connecting cloth and annular second connecting cloth connected with the second surrounding cloth. The third surrounding cloth is connected with the second connecting cloth, the tent top cloth is connected with the third surrounding cloth, the tent bottom cloth is provided with annular bottom ring cloth protruding out of the first surrounding cloth, and the tent top cloth is provided with annular top ring cloth protruding out of the third surrounding cloth; the bottom protruding cloth is provided with a plurality of pieces of side face protruding cloth, the side face protruding cloth is provided with bottom through holes, and the top circular ring cloth is provided with ...

Blocking removal composition and blocking remover for calcium sulfate scale

The invention belongs to the field of descaling and plug removal of oil wells, and particularly relates to a plug removal composition and a plug removal agent for calcium sulfate scales. The blocking removal composition for calcium sulfate scale is prepared from the following components in parts by weight: 22 to 30 parts of an amino carboxylate complexing agent, 0.1 to 0.2 part of high alcohol polyoxyethylene ether and 20 to 27 parts of potassium hydroxide. When the calcium sulfate scale deblocking agent is used for calcium sulfate scale deblocking of an oil field producing well, potassium hydroxide can promote dissolution of calcium sulfate scale, so that the calcium sulfate scale is destroyed and loose scale mud is formed, and calcium ions in calcium sulfate form a plurality of ligand structures; then, an amino carboxylate complexing agent and high-carbon alcohol polyoxyethylene ether are matched to generate a water-soluble complex through a complexing adsorption effect, so that calcium ...

纸巾盒

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KIT FOR DETECTING HUMAN REGULATORY T CELL SUBTYPE AND DETECTION METHOD

A kit for detecting a human regulatory T cell subtype and a detection method thereof, belonging to the technical field of cell subtype detection. The kit comprises the following components: a blood diluent, a mononuclear cell separation solution, a cell culture solution, a lymphocyte activation solution, a dead cell removal dye, an FcR blocking agent, a fluorescence labeled antibody resisting a human cell surface labeling molecule, a fluorescence labeled antibody resisting a human intracellular molecule, a PBS buffer solution, lipopolysaccharide, a washing buffer solution, a cell dyeing buffer solution, a cell fixing solution, and a permeable membrane lotion. During detection, a mononuclear cell in whole blood is first separated; then, a mononuclear cell of human peripheral blood is stimulated; and finally, a fluorescent antibody is stained, so that the regulatory T cell subtype can be detected. By use of the kit and the detection method, 2-6 regulatory T cell subtypes can be simply and ...

Acupuncture point application composition capable of reducing blood pressure

The invention discloses an acupoint application formula for reducing blood pressure, which belongs to the technical field of medicines and is prepared from the following raw materials in parts by weight: 6 to 8 parts of fructus evodiae, 10 to 15 parts of semen raphani, 8 to 10 parts of fried fructus gardeniae, 10 to 15 parts of spica prunellae, 10 to 12 parts of rhizoma pinelliae preparata and 10 to 15 parts of fructus perillae. The acupoint application for reducing blood pressure can clear liver, depress qi and reduce blood pressure.

Efficiency evaluation method for electric drive assembly associated with user

The invention particularly relates to an efficiency evaluation method for an electric drive assembly associated with a user. The efficiency evaluation method comprises the steps of obtaining user actual driving condition data of various road types; carrying out data processing and analysis on the user actual driving condition data of various road types, and generating user condition distribution under the full-life mileage; determining the user common vehicle speed based on the user working condition distribution under the full-life mileage, and further calculating the comprehensive efficiency corresponding to the user common vehicle speed; based on the user working condition distribution under the full-life mileage, the electric drive assembly efficient area utilization rate under the full-life mileage is calculated; and comprehensive evaluation of the efficiency of the electric drive assembly is realized through the comprehensive efficiency corresponding to the common vehicle speed of ...

Lightning arrester self-sensing monitoring unit and lightning arrester

The invention discloses a lightning arrester self-sensing monitoring unit which is used for being installed on a lightning arrester and comprises a trigger sensor, an acquisition sensor, an acquisition and control module, a communication module, a battery and a shell, and the trigger sensor triggers and awakens the lightning arrester self-sensing monitoring unit after acquiring an action current signal on the lightning arrester; the acquisition sensor acquires action current signals of a lightning arrester and outputs the action current signals to the acquisition and control module, the acquisition and control module performs signal conditioning and data acquisition on the signals acquired by the sensor and then transmits the signals to the communication module, and the communication module is used for transmitting acquired data. The invention further discloses the lightning arrester provided with the lightning arrester self-sensing monitoring unit. The lightning arrester monitoring system ...

Movable electric vehicle charging control system

The invention relates to the technical field of Internet of Things, and discloses a movable electric vehicle charging control system which is used for improving the control intelligence of the charging process of an electric vehicle. The system comprises an acquisition module used for acquiring first electric quantity data of an output end of a power supply station and second electric quantity data of a charging end of an electric vehicle; the conversion module is used for performing electric quantity conversion analysis on the first electric quantity data and the second electric quantity data to obtain first electric quantity conversion data; the judgment module is used for judging whether the voltage data is smaller than a preset target voltage value or not according to the first electric quantity conversion data; the processing module is used for collecting second electric quantity conversion data and carrying out temperature difference analysis on the output end of the power supply ...

High-capacity energy storage battery heating method and system

The invention relates to the field of energy storage batteries, and discloses a method and a system for heating a high-capacity energy storage battery, which are used for improving the use efficiency of the energy storage battery. The method comprises the following steps: setting at least one temperature monitoring position according to a plurality of battery internal heating areas; according to the at least one temperature monitoring position, performing temperature monitoring and data acquisition on the target energy storage battery to obtain temperature data corresponding to the internal heating area of each battery; calling a preset energy storage battery capacity analysis model, and performing battery capacity data analysis on the target energy storage battery to obtain battery capacity change data; calculating battery performance evaluation parameters of the target energy storage battery according to the battery capacity change data; constructing a battery performance evaluation matrix ...

Electric actuator with pipeline leakage alarm

The invention discloses an electric actuator with a pipeline leakage alarm function, and belongs to the technical field of electric actuators. The electric actuator comprises a pipeline, and bases are arranged on the two sides of the bottom of the pipeline; a shell is arranged at the top of the pipeline; an electric driver and a driving shaft are arranged in the shell, and the electric driver is used for driving the driving shaft to rotate; a screw rod is arranged at the bottom end of the driving shaft, a valve slidably connected to the pipeline is in threaded connection with the screw rod, and the valve is matched with the pipeline; an alarm assembly is arranged at the top of the valve; when the valve is opened and used normally, the touch switch can synchronously move along with the valve, the vertical rod cannot trigger the alarm assembly to give an alarm, liquid entering the water accumulation tank can be drained back into the pipeline by opening the pump, the water inlet valve and ...

Distribution line lightning damage risk calculation method and system considering photovoltaic system

The invention relates to the field of power distribution networks, in particular to a power distribution line lightning damage risk calculation method and system considering a photovoltaic system, and the method comprises the steps: obtaining parameters of a power distribution side and a photovoltaic side in a target region; selecting each influence factor, and obtaining each influence factor value based on the power distribution side and photovoltaic side parameters; calculating the weight of each influence factor by adopting an entropy weight method; and calculating the lightning stroke risk of the line side and the photovoltaic side based on each weight by using a TOPSIS method to obtain a risk calculation result. The problem of lightning damage risk calculation of the distribution line considering the photovoltaic system is solved, and the accuracy is high.

Electric leakage detection method and device for alternating current charging gun

The invention relates to the field of intelligent charging, and discloses an electric leakage detection method and device of an alternating current charging gun, which are used for improving the electric leakage detection accuracy of the alternating current charging gun and improving the safety of the alternating current charging gun. The method comprises the following steps: generating a corresponding first characteristic index set according to charging period characteristics, and performing characteristic index mapping on second charging gun receiving end data and second charging gun output end data to obtain a second characteristic index set; performing feature fusion on the first feature index set and the second feature index set to obtain a target feature index set, and inputting the target feature index set into an AC charging gun performance analysis model for performance analysis to obtain a charging performance index of each charging period; and according to the charging performance ...

Multifunctional detergent for hotel linen and preparation method thereof

The invention discloses a multifunctional detergent for hotel linen and a preparation method thereof, and the multifunctional detergent is prepared from the following raw materials in percentage by weight: 10 to 30 weight percent of bimolecular surfactant oxadiamide succinic acid distearyl alcohol polyoxyethylene (3) ester sodium sulfonate ASDPE-3, 1 to 5 weight percent of AES, 5 to 10 weight percent of Ninol, 2 to 6 weight percent of OP-10, 1 to 5 weight percent of Na2CO3, 2 to 6 weight percent of Na2SiO3, 0.1 to 5 weight percent of CF-351, 0.1 to 5 weight percent of softening agent, 0.1 to 5 weight percent of antibacterial agent and the balance of deionized water. A proper amount of phosphoric acid is used for adjusting the pH value of the detergent to be alkalescent. Compared with the prior art, ASDPE-3, AES, Ninol, OP-10, Na2CO3, Na2SiO3, CF-351, the softening agent, the antibacterial agent and deionized water are compounded to prepare the multifunctional liquid detergent for hotel ...

Movable electric vehicle emergency charging system and method

The invention relates to the technical field of electric vehicles, and discloses a movable electric vehicle emergency charging system and method. The movable electric vehicle emergency charging system comprises a power generation module, a current detection module, a processing module, a transmission module, a charging module and a monitoring module. Wherein the power generation module is used for generating initial current through an energy storage power supply and transmitting the initial current to the charging module; the current detection module is used for detecting historical current magnitude data of the electric vehicle; according to the charging pile, convenience is provided for charging of the electric vehicle in a place without a charging pile, charging support can be provided for the electric vehicle in an emergency, initial current is generated through the energy storage power supply, charging sources are more diversified, and the limitation that charging facilities are insufficient ...

Energy-saving switch type controller

The invention discloses an energy-saving switch type controller, and belongs to the technical field of controllers. A fixing cylinder is fixedly connected to the front side of the mounting seat, a panel is arranged on the fixing cylinder, and a display screen and a switch key are arranged on the panel; the display screen and the switch button are electrically connected with an electrical apparatus element in the electric actuator. A mounting block is arranged at the bottom of the fixed cylinder, and a rotating shaft is rotationally connected to the mounting block through a bearing; the protective cover can be turned over through the mounting block, the rotating shaft and the connecting block, the protective cover can be fixed through the protruding block and the limiting assembly, and therefore the display screen and the switch key can be protected through the protective cover, and the problems that the switch key is touched by mistake and the display screen is damaged are avoided.

Battery charging management method and device

The invention relates to the technical field of battery charging, and provides a battery charging management method and device, and the method comprises the steps: obtaining an active handshake signal of a to-be-charged battery before the to-be-charged battery starts to be charged; self-checking the battery to be charged according to the active handshake signal so as to determine whether the battery to be charged is abnormal or not; and if the to-be-charged battery is not abnormal, determining a corresponding charging mode to charge the to-be-charged battery. According to the invention, before the to-be-charged battery starts to be charged, abnormality detection is carried out on the to-be-charged battery, and charging operation is carried out only when no abnormality occurs, so that potential safety hazards are avoided.

Parallel current sharing control circuit of three-phase PWM converter

The invention relates to a three-phase PWM converter parallel current sharing control circuit, and belongs to the technical field of circuit devices of alternating current distribution networks. The control circuit relates to two three-phase PWM (Pulse-Width Modulation) converters which are connected in parallel and run between a three-phase AC (Alternating Current) power grid and a DC (Direct Current) bus and have the same structure, and two droop coefficients K of the two PWM converters are respectively adjusted through two droop coefficient controllers in the two PWM converters according to the relationship between two d-axis currents of the two PWM converters; therefore, output impedance is changed, and current-sharing control is realized.

Lightning monitoring application method suitable for active distribution network

The invention discloses a thunder and lightning monitoring application method suitable for an active distribution network, and belongs to the technical field of thunder and lightning monitoring of the active distribution network, and the method comprises the steps: building an active distribution network system which comprises a distributed power supply module and a network topology module, and building a thunder and lightning monitoring system in the distributed power supply module in the active distribution network system, a distributed power supply module is connected to a node characteristic curve of a power distribution network, a power calculation model is extracted, a real-time data acquisition module for monitoring an environment change value in a rainstorm weather in real time and a central processing unit module for transmitting a weather change value are established, and a power value corresponding to each node connected to the distributed power supply is obtained according to ...

A protection casing for track fastener

... 一种用于轨道扣件的防护罩，包括防护罩本体和调节塞，防护罩本体上相邻于钢轨轨腰和轨底的两个空间表面为敞开面，防护罩本体顶面以及与该顶面大致垂直的三个表面为实体面；防护罩本体顶面上开设有通孔，调节塞设于该通孔中，调节塞的底部与螺栓头部、螺母上表面或螺纹道钉顶面相接触。本实用新型通过优化防护罩结构来将承接的载荷通过调节塞、螺栓或螺纹道钉直接传递到轨道板或道床，以避免损坏防护罩和挤压扣件，保证防护罩在安装时具有可行、可靠的空间定位方式并能随钢轨一起振动。同时，有效防止了防护罩与空气和渗水相接触，大大地降低了扣件金属零件锈蚀的可能性。本防护罩即使用于有轨电车以外的其它轨道线路上，也能传递载荷和防护扣件。 ...

Lightning stroke overvoltage calculation method and system considering photovoltaic and power distribution systems

The invention relates to the field of photovoltaic power generation, in particular to a lightning stroke overvoltage calculation method and system considering photovoltaic and power distribution systems, and the method comprises the steps: determining lightning current parameters; a photovoltaic grid-connected distribution line module, a photovoltaic cell module in a photovoltaic system, a photovoltaic inverter module, a maximum power point tracking simulation module and a transformer module are established through electromagnetic transient simulation; a transient calculation model of the active power distribution network is formed based on a power distribution line module, a photovoltaic cell module, an inverter module, a maximum power point tracking simulation module and a transformer module, and transient overvoltage of a lightning stroke photovoltaic side and a power distribution line side is calculated in combination with lightning current parameters. The method is high in accuracy ...

Nonlinear elastic damping fastener system with prestressed elastic piece and installation method

The invention provides a nonlinear elastic damping fastener system with a prestressed elastic piece and an installation method, and belongs to the technical field of railway fastener systems. The sleeper comprises a lower iron base plate, an upper iron base plate, a first prestress elastic piece, a second prestress elastic piece and spikes. The two ends, in the length direction of the sleeper, of the lower iron base plate are each provided with a first blocking shoulder. The two ends, in the length direction of the sleeper, of the upper iron base plate are each provided with a second blocking shoulder. The first prestress elastic piece abuts against the position between the first blocking shoulder and the second blocking shoulder. The second prestress elastic piece abuts against the position between the second blocking shoulder and the rail bottom side face of the steel rail. Transverse movement of the steel rails is prevented, the gauge between every two adjacent steel rails is guaranteed ...

Locking antitheft nut and chuck thereof

... 本实用新型涉及一种防松防盗螺母及其夹头，螺母本体上设有中心螺纹孔，螺母本体设置为圆台或棱台结构，螺母本体外表面上设有至少两条凹槽或凸筋，凹槽或者凸筋沿着螺母本体的周向均匀间隔布置；夹头本体上设有一中空部，该中空部与防松防盗螺母的尺寸、形状相匹配，夹头本体上较大的一侧底面开口设置，夹头本体上较小的一侧底面上开设一着力孔；夹头本体的内表面上设有至少两条与螺母本体的凹槽或凸筋相匹配的凸筋或凹槽，凸筋或凹槽沿着夹头本体的内周向均匀间隔布置。本实用新型提供的一种防松防盗螺母及其夹头，区别于一般的防盗螺母，在其外表面增加细长的凸筋，避开了普通钳子和扳手的着力点，配有对应的夹头，其结构简单但防盗性能好。 ...

Method and device for controlling sodium-lithium battery pack

The invention relates to the technical field of batteries, and provides a control method and device for a sodium-lithium battery pack, and the method comprises the steps: firstly collecting the temperatures of a plurality of designated positions outside the sodium-lithium battery pack, and judging whether the temperature of each designated position is greater than a preset value or not; if the temperature of each specified position is greater than a preset value, obtaining an electrical loss state of the lithium battery, and collecting a battery temperature of the sodium battery; and determining a corresponding control strategy according to the electric loss state of the lithium battery and the battery temperature of the sodium battery, and controlling the sodium battery and the lithium battery according to the control strategy. According to the invention, the electrical loss state of the lithium battery and the battery temperature of the sodium battery in the sodium-lithium battery pack ...

Wind-resistant, warm-keeping and breathable tent for travel

The invention discloses a wind-resistant warm-keeping breathable tent for travel, and relates to the technical field of tents, the wind-resistant warm-keeping breathable tent comprises a rod penetrating mechanism, the rod penetrating mechanism comprises a movable ring, the side wall of the movable ring is located at the bottommost end of the inner axis of the rod penetrating mechanism, and push rods are arranged on the periphery of the outer ring of the movable ring; the outer end, away from the movable ring, of the push rod is connected with a supporting mechanism in a penetrating mode, the side wall of the outer ring of the supporting mechanism is connected with a protruding block in a penetrating mode, and the side wall of the outer ring of the supporting mechanism is connected with an outer layer ring in a penetrating mode. The concave basin at the axis part is compressed downwards and then inserted into the side wall of the inner ring of the movable ring, the inner end of the push ...

Optimization method for daily operation planning of optical storage combined system

The invention relates to an optimization method for daily operation planning of an optical storage combined system, and belongs to the technical field of power distribution networks. The optimization method comprises the following steps: step 1, constructing an output power daily prediction model of the photovoltaic power station and a charging and discharging model of the energy storage power station; 2, constructing an operation planning model of the optical storage combined system, and selecting a daily operation cost parameter as a variable to establish a target function of the operation planning model; 3, solving the PSO algorithm by adopting a recursion method to obtain a characteristic value of an iterative equation of the PSO algorithm, and analyzing a conclusion according to the characteristic value in combination with convergence in a linear system theory; 4, substituting the related parameters into a PSO algorithm to solve the target function, and taking a solving result as a ...

Mail group chat user invitation method, device and equipment and computer readable medium

The embodiment of the invention discloses a mail group chat user invitation method, device and equipment and a computer readable medium. A specific embodiment of the method comprises the steps of determining at least one to-be-invited mail user corresponding to a target mail group chat; generating invitation mail information according to the mail information of the corresponding target mail group chat; for each to-be-invited mail user in the at least one to-be-invited mail user, sending the invitation mail information to a mail account of the to-be-invited mail user; in response to receiving a feedback mail sent by any to-be-invited mail user, determining whether feedback information included in the feedback mail meets an invitation accepting condition or not; and in response to determining that the feedback information included in the feedback mail meets the invitation accepting condition, determining any mail user to be invited as a mail group chat user of the target mail group chat, ...

Lithium battery safety detection method and device, computer equipment and storage medium

The invention relates to the technical field of lithium batteries, and provides a lithium battery safety detection method and device, computer equipment and a storage medium, and the method comprises the steps: collecting parameter information of a lithium battery in a use process; classifying the parameter information to obtain a first type of information and a second type of information; inputting the first type of information into a safety detection model to obtain a first prediction result of the safety of the lithium battery; wherein the security detection model is obtained based on deep learning model training; according to the second type of information, adopting a preset mode to obtain a second prediction result of the safety of the lithium battery; and performing calculation based on fusion of the first prediction result and the second prediction result to obtain a prediction result of the safety of the lithium battery. According to the invention, comprehensive detection is carried ...

Boost control circuit and method of power supply

The invention discloses a boost control circuit of a power supply, and relates to the field of voltage supply, and the boost control circuit of the power supply comprises a power supply module which is used for supplying direct current and outputting the direct current to a sawtooth wave generation module and a boost module; the boosting module is used for boosting the input voltage and then outputting the input voltage; the sawtooth wave generation module is used for outputting sawtooth waves to the feedback control module, and the boost amplitude is adjusted through the feedback control module; the feedback control module is used for sampling the output voltage of the boosting module, obtaining the sampling voltage, feeding back the sampling voltage to the boosting module and constructing stable voltage output; the output indication module is used for indicating the voltage and current values output by the boosting module; compared with the prior art, the circuit has the advantages that ...

Safe self -locking nut

... 本实用新型涉及一种安全自锁螺母，包括螺母本体和锁紧圈，螺母本体具有通孔，该通孔由沉孔和螺纹孔轴向衔接而成，沉孔的孔径大于螺纹孔的孔径，螺母本体上的沉孔段开设有至少一凹槽，螺母本体上的螺纹孔段设有螺母螺纹；锁紧圈为环状体，环状体的内壁上设有锁紧螺纹，锁紧圈的外壁上对应设有至少一个凸台；锁紧圈安置在与其过盈配合的螺母本体的沉孔中，锁紧圈的至少一凸台嵌设于螺母本体的至少一凹槽内，锁紧圈的锁紧螺纹与螺母本体的螺母螺纹相匹配。本实用新型通过螺母本体和锁紧圈的组合，螺母本体与锁紧圈的相互配合，使得该螺母可靠性好、结构简单、加工精度低、成本低廉、拆装及维护方便，并且能够有效防止螺母与螺栓之间产生松动。 ...

Transformer noise fault analysis and maintenance method and system based on natural language processing

The invention discloses a transformer noise fault analysis and maintenance method and system based on natural language processing. The method comprises the following steps: forming a noise dictionary library of a transformer; vectorizing the historical operation and maintenance text of the transformer to obtain a corresponding word vector matrix; determining the fault type of the current operation and maintenance text of the transformer, and calculating the occurrence probability of fault noise features in the current operation and maintenance text of the transformer in the same type of transformer operation and maintenance text; fFT processing is carried out on the transformer noise measured data, and a transformer noise deviation coefficient is calculated; and determining a transformer maintenance strategy according to the calculated value and the maintenance criterion. According to the invention, on-site noise monitoring data and operation and maintenance text historical fault occurrence ...

Repeated active disturbance rejection control method and system for T-type three-level LCL-type inverter

The invention discloses a repetitive active-disturbance-rejection control method and system for a T-type three-level LCL-type inverter, and the method comprises the steps: inputting current differences deltaigd and deltaigq into a repetitive control model, and outputting repetitive control voltages ud0 and uq0; inputting the voltages ud and uq and the currents igd and igq into an extended state observer model, and outputting observed values zd2 and zq2 of total disturbance on a d-q axis component; inputting the total disturbance observation values zd2 and zq2 and the repetitive control voltages ud0 and uq0 into a disturbance compensation model, and outputting voltage reference values ud'and uq '; performing d-q coordinate conversion on the voltage reference values ud'and uq 'into alpha-beta coordinates to obtain converted voltage signals ualpha and ubeta; and carrying out pulse width modulation on the converted voltage signals ualpha and ubeta to obtain a driving signal for controlling ...

Acupuncture point application composition for constipation

The invention discloses an acupoint application formula for treating constipation, which belongs to the technical field of medicines and is prepared from the following raw materials in parts by weight: 10 to 12 parts of semen cassiae, 10 to 12 parts of rhizoma pinelliae preparata, 10 to 12 parts of semen raphani, 10 to 12 parts of cortex magnoliae officinalis and 10 to 15 parts of fructus aurantii. The acupoint application for constipation can relax bowel, depress qi, promote digestion and relax bowels, and effectively treat constipation.

Stand and shield power supply system with LCU

... 本实用新型涉及种站用LCU屏供电系统，第开关电源和第二开关电源分别接入交流电和直流电进行转换后输出至站用LCU屏进行双通道供电。供电的同时，第单向导通器和第二单向导通器可避免电压高的端向电压低的端反充电，实现由电压高的端供电给站用LCU屏内部的设备使用，保证了系统的整体协调性，提高了供电的可靠性，并且性价比高。 ...

Supply room disinfection and sterilization nursing device capable of preventing infection in hospital

The utility model discloses a supply room disinfection and sterilization nursing device capable of preventing infection in a hospital, which relates to the technical field of medical disinfection and comprises a box body and a steam box, a motor is fixed at the inner bottom of the box body, a cylindrical pipe is fixed on an output shaft at the top of the motor, and a grid containing disc is spirally fixed on the outer side of the cylindrical pipe. The steam box is located at the bottom of the grid containing disc, a mounting plate is fixed to the bottom of the steam box, a guide rail rod movably penetrates through the top of the mounting plate, and a switch is fixed to the outer side of the guide rail rod. According to the steam box, the grid containing disc is rotated, so that the steam box is moved, the purpose that objects at all positions on the grid containing disc can be sterilized at a high temperature is achieved, and the sterilization effect is improved.

Switching method and device in power management system

The invention relates to the technical field of batteries, and provides a switching method and device in a power management system, and the switching method comprises the following steps: when the power management system controls to be switched to a power utilization device for charging the power utilization device, obtaining the residual electric quantity of the power utilization device; judging whether the residual electric quantity of the electric device is greater than a first preset value or not; and if the residual electric quantity of the electric device is greater than a first preset value, controlling to switch to the storage battery to charge the storage battery. According to the invention, switching is carried out between the power utilization device and the storage battery according to the residual electric quantity of the power utilization device, the defect that potential safety hazards are easy to generate during simultaneous charging is overcome, and meanwhile, the situation ...

Rapid elastic strip tool

The invention provides a quick elastic strip tool, belongs to the technical field of test tools, and aims to solve the problems that a quick elastic strip series test tool is heavy in weight, a tester is shielded from observing dynamic changes of an elastic strip during testing, the adaptability of the tool is not high, and the test cost is increased. The tool body is composed of a base plate, a top plate and two vertical plates, the base plate and the top plate are connected through the two parallel vertical plates to form an II shape, first inclined blocks are arranged on the base plate and located on the outer sides of the two vertical plates, second inclined blocks are arranged at the bottom of the top plate and located on the outer sides of the two vertical plates, and the inclined faces of the first inclined blocks correspond to the inclined faces of the second inclined blocks. The first inclined block can slide on the outer side of the vertical plate, and an adjusting mechanism for ...

Acupuncture point application composition for insomnia

The invention discloses an acupoint application formula for treating insomnia, which belongs to the technical field of medicines and is prepared from the following raw materials in parts by weight: 10 to 15 parts of radix bupleuri, 10 to 15 parts of radix scutellariae, 6 to 8 parts of rhizoma cimicifugae, 10 to 12 parts of poria with hostwood, 6 to 8 parts of fried fructus gardeniae, 10 to 12 parts of polygala tenuifolia, 15 to 20 parts of cortex albiziae, 20 to 30 parts of tuber fleeceflower stem, 10 to 15 parts of rhizoma pinelliae preparata, 10 to 15 parts of perilla leaf, 20 to 30 parts of crude dragon bone and 20 to 30 parts of raw oyster shell. The acupoint application for constipation can soothe liver and regulate qi, reduce phlegm and calm the nerves, and effectively treat insomnia.

Special lubricating oil for plug-in hybrid electric vehicle

The invention provides special lubricating oil for a plug-in hybrid vehicle. The special lubricating oil for the plug-in hybrid vehicle comprises the following components in percentage by weight: 50%-60% of three-class base oil, 10%-20% of poly-alpha-olefin, 13%-17% of a complexing agent, 0.1%-0.5% of a nano rare earth boride friction index improver, 0.2%-0.5% of a pour point depressant and 2%-6% of polyester, 1.5%-4.0% of a hydrogenated styrene-poly (ethylene-propylene) copolymer and 1.0%-3.0% of dispersed PMA. The lubricating oil has the advantages of stable viscosity, good heat dissipation effect, good oxidation stability and high-temperature detergency, and the viscosity is smaller along with the change of the working environment temperature. The lubricating oil is excellent in low-temperature fluidity, and can be more easily pumped to all parts of an engine during cold start, so that the effects of lubricating, reducing friction and reducing abrasion are achieved.