71results about How to "Conditions that affect performance" patented technology

The invention provides a hydraulic damper with actively-adjustable damping. A hydraulic motor which is fixedly connected with a flywheel is arranged on a hydraulic loop outside a cylinder body. An upper pipeline of the hydraulic motor is connected with a left cylinder of double-effect hydraulic cylinders, and a lower pipeline of the hydraulic motor is connected with a right cylinder of the double-effect hydraulic cylinders. Pistons are arranged in cylinder bodies of the double-effect hydraulic cylinders. A pushing rod which extends out of the right cylinder is connected with a variable resistance rod. One end of a variable resistor is connected with a positive electrode of a power supply, and the other end of the variable resistor is connected with a coil wound on a second electromagnet. A negative electrode of the power supply is connected with a coil wound on a first electromagnet through a protective resistor. Electrifying directions on the coils on the two electromagnets are opposite. One end of the second electromagnet is connected with a friction shoe which is attached with the flywheel. Pressure difference between the two ends of the hydraulic motor is used for pushing the pistons, the pushing rod changes the magnitude of variable damping connected into a circuit, so that currents are changed, repulsive force between the two electromagnets is changed along with the currents, and accordingly friction force between the friction shoe and the flywheel is changed, and finally resistance of the hydraulic motor on pipeline oil liquid is changed.

The invention provides a thin film transistor and a preparation method thereof and an array substrate, relates to the technical field of display and can reduce parasitic resistance between source and drain electrodes and an active region. The thin film transistor comprises an active layer arranged on a substrate, the source electrode, the drain electrode, a grid electrode and a gate insulation layer. The active layer comprises a source region, a drain region and the active region. The source region and the drain region are mainly made of metal; and the active region is made of a semiconductor material, the semiconductor material being formed by oxide of the metal.

The embodiment of the invention provides diversity transmission method and device of an OFDM (Orthogonal Frequency Division Multiplexing) system. The method comprises the steps of: grouping OFDM subcarriers, wherein the number N of subcarriers in each group is an integral multiple of the number M of antenna port, and M is an integral multiple of 4; carrying out space frequency coding with SFBC (Space Frequency Block Code)+FSTD (Frequency Switch Transmit Diversity) on N subcarriers in each group at M antenna ports, wherein different subcarrier mapping modes are adopted on the subcarriers in odd number groups and the subcarriers in even number groups; and carrying out diversity transmission on data symbols of M antenna ports according to a space frequency coding result. The embodiment of the invention improves the space diversity effect through a mode of alternatively using different subcarrier mapping modes, thereby avoiding the situation that because of the adoption of a fixed mapping mode, the link performance is influenced when deep fading occurs in a wider frequency band range.

The invention relates to a hydraulic shock absorber with active adjustable damping. The hydraulic shock absorber comprises an oil cylinder, a piston, a one-way valve, a hydraulic motor, a flywheel, a dual-acting hydraulic cylinder, a dual-acting hydraulic cylinder piston, a push rod, a sliding resistor, an electromagnet A, an electromagnet B and a friction plate, wherein the oil cylinder is divided into an upper oil cavity and a lower oil cylinder by the piston; the upper oil cavity is connected with the lower oil cavity through a pipeline and the hydraulic motor; the hydraulic motor is fixedly connected with the flywheel, and is in contact with the friction plate; the dual-acting hydraulic cylinder piston is tightly connected with the dual-acting hydraulic cylinder; the dual-acting hydraulic cylinder is divided into a left cylinder and a right cylinder by the dual-acting hydraulic cylinder piston; the push rod is connected with the dual-acting hydraulic cylinder piston, and protrudes out from two ends of the left cylinder and the right cylinder; the electromagnet A and the electromagnet B are arranged in a manner of opposite polarity; the electromagnet B is connected with the friction plate; the push rod can change the size of the sliding resistor, and changes the action force between the electromagnet A and the electromagnet B to change the friction force between the friction plate and the flywheel; finally the oil fluid resistance in the pipeline caused by the hydraulic motor is changed. According to the hydraulic shock absorber, real-time active adjustable damping of the shock absorber can be achieved.

The invention discloses a temperature adjustment system of a vehicle-mounted battery. The temperature adjustment system comprises a vehicle-mounted air conditioner module, a battery temperature adjustment module and a controller, wherein the vehicle-mounted air conditioner module comprises a refrigerating branch and a battery cooling branch, the battery cooling branch is connected in series with the refrigerating branch, the refrigerating branch comprises at least one compressor and a condenser, the condenser is connected with the compressor, each battery cooling branch comprises heat exchangers and a valve, the heat exchangers are in one-to-one correspondence to the compressor, the valve is connected with the heat exchangers, the battery temperature adjustment module is connected with thebattery cooling branch to form a heat exchange flowing path, and the controller is connected with the vehicle-mounted air conditioner module and the battery temperature adjustment module and is usedfor adjusting a temperature of the battery. By the temperature adjustment system, the temperature can be adjusted when the battery of the vehicle-mounted battery is excessively high or excessively low, the temperature of the vehicle-mounted battery is maintained with a preset range, and the influence of the temperature on the performance of the vehicle-mounted battery is prevented.

The invention discloses a communication type no-handheld steel bar strapping machine and steel bar strapping automation equipment. The communication type no-handheld steel bar strapping machine comprises a machine shell, a main control unit, a motor, a wire feeding mechanism, a wire twisting mechanism and a cutting-off mechanism, wherein the machine shell is in a long strip type shape without a handheld portion, the motor is arranged inside the machine shell, and the wire feeding mechanism, the wire twisting mechanism and the cutting-off mechanism are all arranged inside the machine shell in the length direction of the machine shell to make the steel bar strapping machine be long in size only in the length direction. The communication type no-handheld steel bar strapping machine is small in structural volume and is suitable for performing steel bar strapping work in some relatively narrow areas in which plate face steel bars and vertical face steel bars intersect and steel bar combination sites where inner layer and outer layer steel bar nets exist, and the quality of steel bar strapping in these special sites is guaranteed; and meanwhile, the steel bar strapping automation equipment realized on account of the communication type no-handheld steel bar strapping machine can be suitable for automation strapping of various steel bar combinations and has the advantage of being highin steel bar strapping efficiency and quality.

The invention relates to a terminal. The terminal comprises a terminal body, a camera with a pop-up function, an antenna; Wherein the first frame of the terminal body is an antenna radiator, a receiving cavity for accommodating a camera is arranged near the first frame of the terminal body, and a through hole matching with the size of the receiving cavity is arranged on the first frame of the terminal body; When the camera is positioned in the accommodation cavity or when the camera is ejected from the accommodation cavity through the through hole, the feed point of the antenna is connected with the frame of the camera through the first frame of the terminal body to form the current path of the antenna. The terminal provided by the present disclosure can ensure the antenna performance of the terminal by taking the frame of the camera arranged close to the radiator of the antenna as a part of the current path of the antenna, so that the current path of the antenna is not affected when the camera is ejected or retracted, or the influence on the current path of the antenna is negligible, when the camera is ejected or retracted.

The invention provides an air conditioner water fullness prevention control method and device, an air conditioner and a computer readable storage medium. The air conditioner comprises a base plate, anevaporator side fan and a compressor. The control method comprises the steps that the base plate water level and the environment relative humidity are detected, the base plate water level is represented by H, and the environment relative humidity is represented by RH; and according to the comparison result of the detected base plate water level and the preset water level and the comparison resultof the detected environment relative humidity and the preset humidity, the operation gear of the evaporator side draught fan and / or the operation frequency of the compressor are / is adjusted. According to the control method, through change of the base plate water level and the environment relative humidity, the operation gear of the evaporator side fan and / or the operation frequency of the compressor are / is dynamically adjusted, the base plate water level is controlled, and the situations of full water or too low water level are prevented.

The invention discloses a pre-stressed anchor cable combined ultrahigh composite reinforced soil abutment and a construction method thereof. The ultrahigh composite reinforced soil abutment is structurally provided with multiple stages of abutment bodies from top to bottom. Geogrids with equal intervals are laid on each stage of abutment, an inverted filter layer formed by piling up geogrids whichare filled with gravels and wrapped by geotextile is arranged at the side close to a panel, a reinforced concrete panel is arranged outside the inverted filter layer, a reinforced concrete horizontalcushion layer is arranged in the lower portion of the panel of each stage of abutment and buried for a certain depth, and a concrete bent cap is arranged in the upper portion. According to the composite reinforced soil abutment, pre-stressed anchor cables anchored into the mountain rock stratum are combined with the lowest-stage abutment, the overall stability and the anti-overturning capacity ofan unreinforced soil body and the whole reinforced body structure are greatly improved, and the constraint of the pre-stressed anchor cables on the retaining wall body can further effectively resistthe bending moment of lateral soil pressure from backfill behind the wall on a bottom-layer panel of the abutment.

The invention discloses a semiconductor-based temperature adjustment method and temperature adjustment system of a vehicle-mounted battery. The system comprises a semiconductor heat exchange module, abattery thermal management module and a controller, wherein the semiconductor heat exchange module comprises a semiconductor heat exchanger, the semiconductor heat exchanger is provided with a heating end and a cooling end, the heating end and the cooling end are used for providing a heating power / cooling power, the battery thermal management module is connected with the semiconductor heat exchanger to form a heat exchange flowing path, and the controller is connected with the battery thermal management module and the semiconductor heat exchanger and is used for acquiring a temperature adjustment demand power of the battery and a temperature adjustment actual power of the battery and adjusting the temperature of the battery according to the temperature adjustment demand power and the temperature adjustment actual power. By the system, the heating power and the cooling power of the vehicle-mounted battery can be accurately controlled according to an actual state of the vehicle-mountedbattery, the temperature can be adjusted when the temperature of the vehicle-mounted battery is excessively high or excessively low, the temperature of the vehicle-mounted battery is maintained withina preset range, and the influence of the temperature on the performance of the vehicle-mounted battery is prevented.

The invention discloses a temperature regulation method and a temperature regulation system for a vehicle battery. The system comprises a vehicle air conditioner, an in-vehicle cooling branch, a battery cooling branch, a semiconductor heat exchange module, a battery thermal management module, and a controller, wherein the vehicle air conditioner is used to provide cooling power for the in-vehiclecooling branch and the battery cooling branch, the battery cooling branch is connected to the vehicle air conditioner, the semiconductor heat exchange module is used to provide cooling power for the in-vehicle cooling branch and the battery cooling branch, the battery thermal management module is connected between the battery cooling branch and the battery, and the controller is used to obtain thetemperature regulation demand power and temperature regulation actual power of the battery, and regulate the power of the semiconductor heat exchange module and the vehicle air conditioner power according to the temperature regulation demand power and temperature regulation actual power of the battery. Therefore, the temperature can be adjusted when the temperature of the vehicle battery is too high or too low to make the temperature of the vehicle battery be maintained within a preset range, thereby avoiding the situation that the performance of the vehicle battery is affected due to temperature abnormality.

The invention discloses a temperature adjustment system of a vehicle-mounted battery. The temperature adjustment system comprises a heat exchanger, a vehicle-mounted air conditioner, a semiconductor heat exchange module, a battery thermal management module and a controller, wherein the vehicle-mounted air conditioner is provided with an air conditioner air outlet, a first air duct is formed between the air conditioner air outlet and the heat exchanger, a second air duct is formed between a cooling end of the semiconductor heat exchange module and a first fan, a third air duct is formed betweenthe cooling end of the semiconductor heat exchange module and a compartment, the battery thermal management module and the heat exchanger are connected to form a heat exchange flowing path, and the controller is connected with the semiconductor heat exchange module, the battery thermal management module and the vehicle-mounted air conditioner. The battery temperature can be adjusted by the systemwhen the temperature of the vehicle-mounted battery is excessively high, so that the temperature of the vehicle-mounted battery is maintained within a preset range, and the influence of excessively high temperature on the performance of the vehicle-mounted battery is prevented.

The invention discloses a semiconductor-based vehicle-mounted battery temperature regulation method and system. The semiconductor-based vehicle-mounted battery temperature regulation system comprisesat least one battery thermal management module correspondingly connected with at least one battery, a semiconductor heat exchange module and a controller. The semiconductor heat exchange module is connected to the at least one battery thermal management module, and includes a semiconductor heat exchanger, wherein the semiconductor heat exchanger is provided with a heating end and a cooling end forproviding heating power / cooling power. The controller is used for obtaining required temperature regulation power of the batteries and actual temperature regulation power of the batteries, and regulating the temperatures of the batteries according to the required temperature regulation power and the actual temperature regulation power. According to the semiconductor-based vehicle-mounted batterytemperature regulation method and system, the heating power and the cooling power of the vehicle-mounted batteries can be accurately controlled according to the actual status of the vehicle-mounted batteries, the temperatures are regulated when the temperatures of the vehicle-mounted batteries are too high or too low, so that the temperatures of the vehicle-mounted batteries are maintained withina preset range to avoid occurrence of the situation of affecting the performance of the vehicle-mounted batteries due to the too high or too low temperatures.

The invention discloses a semiconductor-based temperature adjustment method and temperature adjustment system of a vehicle-mounted battery. The system comprises a semiconductor heat exchange module, abattery thermal management module and a controller, wherein the semiconductor heat exchange module comprises a semiconductor heat exchanger and a heat exchanger, the semiconductor heat exchanger is provided with a heating end and a cooling end, the heating end and the cooling end are used for providing a heating power / cooling power, the heat exchanger is arranged opposite to at least one of the heating end and the cooling end of the semiconductor heat exchanger, the battery thermal management module is connected with the semiconductor heat exchanger to form a heat exchange flowing path, and the controller is used for acquiring a temperature adjustment demand power of the battery and a temperature adjustment actual power of the battery and adjusting the temperature of the battery accordingto the temperature adjustment demand power and the temperature adjustment actual power. By the system, the temperature can be adjusted when the temperature of the vehicle-mounted battery is excessively high or excessively low, the temperature of the vehicle-mounted battery is maintained within a preset range, and the influence of excessively high or excessively low temperature on the performanceof the vehicle-mounted battery is prevented.

The invention discloses a temperature adjusting system and method of a vehicle-mounted battery. The system comprises a heat exchanger, a compressor, a condenser, a battery heat management module, a semiconductor heat exchange module and a controller; the compressor is connected with the heat exchanger; the condenser is connected with the compressor; the battery heat exchange module is connected with the heat exchanger to form a heat exchange flow path; the semiconductor heat exchange module comprises a cooling end, a heating end and a heat exchange fan; the controller is used for acquiring temperature adjusting demand power and temperature adjusting actual power of the battery, and adjusting the power of the semiconductor heat exchange module and / or the compressor according to the temperature adjusting demand power and the temperature adjusting actual power. Therefore, the system can be used for adjusting the battery temperature according to the actual condition of the vehicle-mountedbattery when the temperature of the vehicle-mounted battery is too high, so that the temperature of the vehicle-mounted battery is maintained in a preset range, and the situation that the performanceof the vehicle-mounted battery is influenced due to too high temperature is avoided.

The invention discloses computer display equipment with a front-end protection structure. The computer display equipment comprises a main body, a protection mechanism is mounted at the top end of themain body, a display screen is fixed in the middle of the main body, fixing mechanisms are mounted at the left end and the right end of the display screen, a frame is mounted around the outer wall ofthe display screen, a button is mounted at one end of the left side of the frame, and mounting mechanisms are mounted at four corners of the body. The computer display equipment with the front-end protection structure is provided with the protection mechanism, so that a user can conveniently conduct dustproof treatment on a vehicle-mounted display screen, and the vehicle-mounted display screen iseffectively protected; a dustproof cloth strip is stretched from a top box through rotation of a center inner rod in the middle of the top box and a rotating handle, and through rotation contraction and rotation of the center inner rod, the dustproof cloth strip is fixed through magnets at the left end and the right end, so that poor sealing performance during covering is prevented; and the dustproof cloth strip is of a spinning structure, so that heat generated in the main body is effectively dissipated.

The invention discloses a surface treatment method of stainless steel pipe fittings. The surface treatment method specifically comprises the following steps that step 1, paraffin dyeing is carried out, specifically, a solid paraffin raw material is added into a sealed reaction kettle, monascus pigment is added into the sealed reaction kettle at the same time, then heating is carried out for 10-15minutes, the heating temperature is 150-170 DEG C, stirring is carried out continuously in the heating process to effectively mix the monascus pigment with the solid paraffin, and cooling in a placingmode is carried out after heating is completed to obtain red paraffin; and step 2, the pipe fittings are derusted, specifically, the surfaces of the stainless steel pipes are derusted by using a cloth wheel polisher with an arranged treatment time of 7-9 minutes, so that the surface roughness of pipes is less than or equal to 0.5 [mu]m. According to the surface treatment method, all scratched parts on the surface of the pipes can be clearly found and repaired in sequence, so that the situation that the performance of the pipes is affected due to partial scratches and residual damaged parts isavoided, and the subsequent normal use of the pipes is ensured.

The invention relates to a manufacturing method of a metal oxide semiconductor field effect transistor, which comprises the following steps of: forming a first groove in a substrate; forming a side wall on a jamb of the first groove; epitaxially growing a conductive layer in the first groove encircled by the side wall; constantly carrying out light doping injection and source / drain injection on the substrate; removing the side wall to form a second groove; forming a gate dielectric layer on the surface of the substrate and in the second groove; and forming a grid electrode on a gate oxide layer. The manufacturing method of the metal oxide semiconductor field effect transistor can effectively inhibit short channeling effect and obtain better device performance.

The invention discloses a temperature adjusting method and a temperature adjusting system of a vehicle-mounted battery; the temperature adjusting system of the vehicle-mounted battery comprises a compressor, a condenser in connection with the compressor, an in-vehicle cooling branch circuit and a battery cooling branch circuit, a semiconductor heat exchange module, a battery heat management module, and a controller, wherein the in-vehicle cooling branch circuit and the battery cooling branch circuit are connected with the compressor, the semiconductor heat exchange module is used for providingcooling power for a heat exchanger, the battery heat management module is connected with the heat exchanger to form a heat exchange flow path; the controller is used for acquiring temperature adjusting demand power and temperature adjusting actual power of the battery, and adjusting the cooling power of the semiconductor heat exchange module and / or the compressor according to the temperature adjusting demand power and the temperature adjusting actual power. The system can be used for adjusting the battery temperature according to the actual condition of the vehicle-mounted battery when the temperature of the vehicle-mounted battery is too high, so that the temperature of the vehicle-mounted battery is maintained in a preset range, and the situation that the performance of the vehicle-mounted battery is influenced due to too high temperature is avoided.

The invention discloses bamboo charcoal fiber production equipment with a moisture regain-proof function. The bamboo charcoal fiber production equipment structurally comprises a main body, three box doors and a control panel; the front end of the main body is provided with the three box doors; the box doors are installed transversely at the bottom part of the front end of the main body; the main body includes a feeding hole, a conveying belt, a drying box, an air injection pipe, a collecting box and an air extracting device; the air extracting device includes a vent pipe, an irradiating lamp,a water adsorption device and a water collection device; the water adsorption device includes fixed blocks, support plates, water adsorption nets, a rotating shaft, threaded rods and water guide blocks; and each support plate includes a support body, a rotating groove, a water guide groove and water inlet holes. According to the bamboo charcoal fiber production equipment, by installing the irradiating lamp in the air extracting device, high temperature generated by the irradiating lamp irradiates air entering the air extracting device to evaporate moisture in the air; vapor forms water droplets when touching the water adsorption device to touch cold; water flow is guided by the support plates into the water collection device for collection, thus avoiding that the moisture in the air entersthe drying box to touch bamboo charcoal for fear of influencing the performance of the bamboo charcoal.

The invention discloses an excimer laser polishing and detecting method of a porous ceramic. The excimer laser polishing and detecting method of the porous ceramic comprises the following steps that surface outline of to-be-processed surface of the porous ceramic is scanned by utilizing surface roughness analyzing equipment, focusing and homogenization of an excimer laser beam are achieved by using a light beam homogenizer and a focusing lens, the defocusing distance of the excimer laser used for polishing is determined, a scanning route of the surface is planned, parameters of the excimer laser are adjusted, the ablation threshold Fth of the porous ceramic is measured, output energy of the excimer laser is adjusted to conduct polishing on the porous ceramic, the surface bulge roughness of the porous ceramic before polishing is calculated, and the surface bulge roughness of the porous ceramic after polishing is calculated. According to the excimer laser polishing and detecting method of the porous ceramic, thermal influence on the porous ceramic is little, problems of peeling off and brittle fracture of ceramic material particles do not occur, the sizes and shape of polishing materials are not required, polishing of thin films, curved faces even internal structures can be achieved, and the identification degree and precision of the polishing effect of the porous ceramic is improved.

The invention belongs to the technical field of body wash and discloses calamine-containing body wash and a preparation method therefor. The calamine-containing body wash provided by the invention comprises the following ingredients in parts by mass: 50-100 parts of water, 27-80 parts of amino-acid type surfactant, 2-8 parts of disodium cocoamidyl MIPA-sulfosuccinate, 10-30 parts of cocamidopropylbetaine, 1-6 parts of alkyl glycoside, 0.1-0.2 part of disodium EDTA, 0.3-0.8 part of phenoxyethanol, 0.1-1 part of flavoring essence, 0.1-1 part of menthol, 0.1-0.5 part of borneol, 1-20 parts of calamine slurry, 5-10 parts of cellulose suspension and 0.05-2 parts of triethanolamine. According to the calamine-containing body wash provided by the invention, the cellulose suspension is employed toact a good suspension effect, and the finished product is stable in properties, good in dispersity and uniformity, high in hard water resistance and extremely easy in biodegradation and is environmentally friendly.

The invention relates to the technical field of polyester production, and discloses a polyester production alcohol adding device based on gas thermal expansion and cold contraction. The polyester production alcohol adding device based on gas thermal expansion and cold contraction comprises a bottom frame; a reaction cylinder is fixedly mounted in the upper surface of the bottom frame; a heating block is fixedly mounted at the lower end in the reaction cylinder; a storage frame is fixedly mounted on the upper surface of the heating block; a pumping cylinder is fixedly mounted on the upper surface of the storage frame; a movable plate is slidably mounted in the pumping cylinder, a fixed pipe is fixedly mounted on the left side of the pumping cylinder, a fixed block is fixedly mounted on theleft side of the fixed pipe, the left side of the fixed pipe penetrates through and extends into the fixed block to be fixedly provided with a conveying cylinder, an expansion block is movably mountedat the lower end in the conveying cylinder, and a connecting block is fixedly mounted at the upper end of the expansion block. A rotating plate is adopted, the rotating plate can be effectively driven to move left and right when alcohol volatilizes and generated airflow impacts upwards, polyester can be stirred conveniently, and newly added alcohols can be better fused into polyester.

Disclosed is a temperature regulation system for a vehicle-mounted battery, the system comprising a vehicle-mounted air conditioner, an in-vehicle cooling branch, a battery cooling branch, a semiconductor heat exchange module, a battery heat management module and a controller, wherein the vehicle-mounted air conditioner is used for providing a refrigeration power for the in-vehicle cooling branch and the battery cooling branch; the battery cooling branch is connected to the vehicle-mounted air conditioner; the semiconductor heat exchange module is used for providing a refrigeration power for the in-vehicle cooling branch and the battery cooling branch; the battery heat management module is connected between the battery cooling branch and a battery; and the controller is used for acquiring a required power and an actual power for performing temperature regulation on the battery, and regulating, according to the required power and the actual power, the power of the semiconductor heat exchange module and / or a compressor. Therefore, the temperature can be regulated when the temperature of a vehicle-mounted battery is excessively high or excessively low, so that the temperature of the vehicle-mounted battery is kept within a pre-set range, thus preventing the performance of the vehicle-mounted battery from being affected by a temperature abnormality.

The invention discloses a temperature regulating system and method of a vehicle battery. The system comprises a heat exchanger, a vehicle air conditioner, a semiconductor heat exchange module, a battery heat management module, and a controller, wherein the vehicle air conditioner has an air conditioner air outlet, a first air passage is formed between the air conditioner air outlet and the heat exchanger, a second air passage is formed between a cooling end of the semiconductor heat exchange module and a first fan, a third air passage is formed between the cooling end of the semiconductor heatexchange module and a compartment, the battery heat management module is connected with the heat exchanger so as to form a heat exchange flow path, and the controller is connected with the semiconductor heat exchange module, the battery heat management module and the vehicle air conditioner. The system can regulate temperature when temperature of the vehicle battery is too high, so as to maintainthe temperature of the vehicle battery within a preset range, therefore, the vehicle battery performance is not affected by too high temperature.

The invention discloses a temperature regulation system for a vehicle-mounted battery, comprising: a battery cooling branch circuit, the battery cooling branch circuit includes a heat exchanger; a semiconductor heat exchange module, the semiconductor heat exchange module is used for cooling the heat exchanger; The battery thermal management module connected to the heater; the vehicle air conditioner, the vehicle air conditioner includes a compressor and the condenser; the cooling branch connected to the compressor and the heat exchanger; the controller, the controller and the semiconductor heat exchange module and the battery thermal management The modules are connected, and the controller is used to obtain the temperature regulation demand power and temperature regulation actual power of the battery, and control the semiconductor heat exchange module and the vehicle air conditioner to adjust the temperature of the battery according to the temperature regulation demand power and temperature regulation actual power. Thus, the temperature can be adjusted when the temperature of the on-board battery is too high or too low, so that the temperature of the on-board battery can be maintained within a preset range, and the situation that the performance of the on-board battery is affected by the high temperature can be avoided.

The invention discloses a semiconductor-based vehicle battery temperature adjustment method and temperature adjustment system. The system includes: at least one battery thermal management module respectively connected with at least one battery; semiconductor heat exchange connected with the at least one battery thermal management module The module includes a semiconductor heat exchanger. The semiconductor heat exchanger has a heating end and a cooling end to provide heating power / cooling power; the controller is used to obtain the battery temperature regulation demand power and the battery temperature regulation actual power, and according to the temperature Adjust the demand power and temperature adjust the actual power to adjust the temperature of the battery. The present invention can precisely control the heating power and cooling power of the on-board battery according to the actual state of the on-board battery, and adjust the temperature when the temperature of the on-board battery is too high or too low, so as to maintain the temperature of the on-board battery within a preset range, and avoid occurrence of Conditions that affect the performance of the vehicle battery due to excessively high or low temperature.

The invention discloses a temperature adjustment method and a temperature adjustment system for a vehicle-mounted battery. The system includes: a battery cooling branch, the battery cooling branch includes a heat exchanger; a semiconductor heat exchange module, and the semiconductor heat exchange module is used to provide heating power / Cooling power; battery thermal management module; car air conditioner, car air conditioner includes compressor, condenser; car interior cooling branch connected with compressor and heat exchanger; controller, controller and semiconductor heat exchange module and battery thermal management The modules are connected, and the controller is used to obtain the temperature regulation demand power and temperature regulation actual power of the battery, and control the semiconductor heat exchange module and the vehicle air conditioner to adjust the temperature of the battery according to the temperature regulation demand power and temperature regulation actual power. Thus, the temperature can be adjusted when the temperature of the on-board battery is too high or too low, so that the temperature of the on-board battery can be maintained within a preset range, and the situation that the performance of the on-board battery is affected by the high temperature can be avoided.

The invention relates to a bimetal nitride modified diaphragm and a preparation method and application thereof. The diaphragm comprises a diaphragm substrate and a modified functional layer attached to the surface of the diaphragm substrate, and the modified functional layer comprises molybdenum-nickel nitride and a binder. The preparation method comprises the following steps: (a) dissolving molybdenum salt and nickel salt in water, performing heating for the first time and performing reacting, and performing centrifuging after the reaction to obtain an intermediate product; (b) drying the intermediate product, mixing the dried intermediate product with ammonia gas, and carrying out secondary heating and reaction to obtain bimetal nitride; (c) dissolving the bimetal nitride in an organic solvent, adding a binder, performing mixing to obtain a mixed solution, and carrying out suction filtration on the mixed solution under a vacuum condition by using the diaphragm substrate as suction filtration filter paper to obtain the bimetal nitride modified diaphragm. Compared with the prior art, the modified diaphragm has the advantages that the shuttle effect is effectively inhibited, the mechanical property is further improved, the probability of being pierced is greatly reduced, and the electrochemical performance of the lithium-sulfur battery is improved.