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31results about How to "Meet the needs of long working hours" patented technology

Intelligent anastomat

ActiveCN107981900AReduce subjective involvementMeet the requirementsSurgical staplesEngineeringActuator
The invention relates to an intelligent anastomat which comprises an electric clamping transmission component, a manual excision-closed transmission component, an executor steering transmission component, a nail bin support (16), a nail supporting seat (17), a short connecting pipe (14), a connecting pipe (13), a movable handle (39) and a fixed handle (40), a control module is arranged on the nailsupporting seat (17), the short connecting pipe (14) and the connecting pipe (13) are connected with the nail bin support (16) and an adjusting shell (36), the movable handle (39) and the fixed handle (40) are arranged at the rear end of the adjusting shell (36), a handle (25) and a battery (45) are connected below the fixed handle (40), and a pull-back block (49) and an external power supply line (55) are arranged on the movable handle (39). Compared with the prior art, the intelligent anastomat can really reduce subjective participation of doctors, use of the anastomat is more standardized,so that harmful effects caused by lack of experience of users are avoided, and anastomosis success rate is increased.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Thermal balance data collection battery box having replaceable elementary cells

The present invention relates to a thermal balance data collection battery box having replaceable elementary cells, and belongs to the technical field of battery management. According to the present invention, four air pressure columns formed by mutual adhesion are arranged in the bushing of a battery unit, optical fibers are inserted in the center position of the air pressure columns in a penetrating manner, the gap position on the bottom end of the bushing is provided with a Dembet effect semiconductor wafer, the light spot of the light of led lamp bead is irradiated to the axial position of the semiconductor wafer through light guide fibers, the temperature difference between the battery packs is converted into the position offset of the light spot on the Dembet effect semiconductor wafer by using the air thermal expansion and cold contraction principle, the monomer battery pack and the electrical components thereof are fixed by using the upper end cover having threads and the lower end cover having threads, the monomer battery in the battery pack can be arbitrarily replaced, and the working temperature can be automatically adjusted through the thermal expansion contraction opening and closing window of the battery pack bushing; and with the thermal balance data collection battery box, the temperature in the battery unit and the fine temperature difference between the battery unit can be accurately determined and can be transmitted to the power supply management hardware system so as to provide reliable data for the thermal management and the optimization of the battery.
Owner:DONGGUAN LILONG BATTERY TECH CO LTD

Novel composite rolling attitude control system and method

The invention belongs to the technical field of an unmanned aerial vehicle, and discloses a novel composite rolling attitude control system and method. The control method integrates a principle for adjusting a flight attitude by utilizing a rudder surface and a conventional helicopter tipping tray periodically-pitch-variable principle; by utilizing a redundant control concept, an aerocraft rolling passage is controlled by a rudder system, the auxiliary compensation for the rolling passage is carried out by virtue of a rotary wing system, an airflow direction is limited by virtue of a duct, and the rudder system is controlled; and the control system comprises a controller, a rudder system, a rotary wing system and a duct. The novel composite rolling attitude control system is high in air passing capacity, compact in structure, reasonable in design and capable of realizing automatic hovering and precise attitude control and has advantages of small space size, large effective load, high control response sensitivity, high system stability, high robustness and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Electric oil-free main air compressor

The invention discloses an electric oil-free main air compressor, and belongs to the technical field of air compressors. The electric oil-free main air compressor comprises a fan, an air compressor body, a motor, a cooler, dampers, water drainage electromagnetic valves, a pull rod and a housing. The cooler comprise a middle cooler body and a rear cooler body. At least four dampers are mounted on a fan support and a motor support correspondingly, and are connected with an automobile body. The water drainage electromagnetic valves are mounted at the lower end of the middle cooler body and the lower end of the rear cooler body. The pull rod enables the motor support and the air compressor body to be connected and locked. A damping material layer is arranged in the housing, and the air compressor body is composed of a main shell and a compression cylinder assembly. A bent axle is arranged in the main shell, and the compression cylinder assembly is in an X shape and is composed of at least one high-pressure cylinder assembly and at least two low-pressure cylinder assemblies. According to the electric oil-free main air compressor, the potential hazards of oil leaking and mixing of the air compressor are avoided through air cooling, and the maintaining cost is lowered; the compression cylinder assembly forms reasonable air flow direction, and the maximum cooling efficiency is achieved; damping materials are coated on the housing, and noise is lowered.
Owner:RUILI GROUP RUIAN AUTO PARTS CO LTD

Small integration ultrasonic device for measuring pressure outside pipe with small pipe diameter

The invention relates to a small integration ultrasonic device for measuring pressure outside a pipe with a small pipe diameter. The device comprises a probe, an ultrasonic emitting circuit, a receiving circuit, a data acquisition circuit, a control and data processing unit and a special probe clamp. The probe clamp is provided with a matching circular hole for installation of the probe and a U-type groove fixed in the axis direction of the pipe and capable of achieving automatic centering, the radius of the probe clamp is the same as that of the to-be-detected pipe, and automatic centering of the probe clamp in the axis direction of the pipe is guaranteed through the U-type groove. According to the ultrasonic emitting circuit, a low resistor and a field effect tube with an ultra-high-speed voltage changing gradient are used as quick electronic switches. According to the data acquisition circuit, high-speed sampling and processing are achieved through a high-speed A / D chip, a micro controller and a hyper-synchronous FIFO chip, the micro controller is a main control chip, and special software achieving empirical mode decomposition and noise reduction, power management and multi-mode power control is solidified in the main control chip. Compared with the prior art, the device is small in size, convenient to install and use and few in safety hidden risks, power consumption of the data acquisition circuit is low, and echo signals are stable.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Self-propelled lawn trimmer

The invention discloses a self-propelled lawn trimmer which comprises a traction frame and a guide rod, wherein a front traction block is connected with the left end of the traction frame; a storage battery is connected with the left end of the front traction block; a solar power generation panel is connected with the upper end of the storage battery; a driving device is connected with the lower end of the storage battery; a rear traction block is arranged at the right end of the traction frame; a grass storage box is connected with the right end of the rear traction block; a grass collecting cover is arranged on the left side at the lower end of the grass storage box; a grass absorbing port is arranged on the left side at the lower end of the grass collecting cover; a horizontal rod is connected with the middle part of a traction rod; a vertical rod is penetrated through the horizontal rod; a lifting screw rod is arranged in the middle of the vertical rod; a fastening bolt is arranged on the left side of the lifting screw rod; and the lower end of the lifting screw rod is connected with a fixing rod. The self-propelled lawn trimmer can realize the self-propelling and the adjustment of a vertical position of a shear of the trimmer and can clean the smashed grass after the lawn is trimmed. The additional equipment used for collecting is avoided, so that the trimming cost of the lawn is lowered.
Owner:ZHENGZHOU HAOEN ELECTRONICS INFORMATION TECH CO LTD

Standing type lower-limb exercise rehabilitation device

The invention discloses a standing type lower-limb exercise rehabilitation device. The device comprises a supporting rack, an execution assembly, a transmission assembly and a control drive assembly, wherein a first rocker arm and a second rocker arm of the execution assembly are mounted at the bottom of the supporting rack in parallel, and the top end of the first rocker arm and the top end of the second rocker arm are both hinged with a pedal; the transmission assembly is a gear-rack structure or a multi-connection-rod structure; the control drive assembly matched with the transmission assembly comprises a linear motor and position trigger, a servo motor, a speed-changing box and the like and is controlled and driven by a control box; the execution assembly is driven by the transmission assembly and the control drive assembly to reciprocate. According to the standing type lower-limb exercise rehabilitation device, a patient can perform rehabilitation training on ankles, knees, hips and other parts while standing, simulate the manual rehabilitation process of a trainer and perform rehabilitation and treatment activities by himself or herself in the assistance of retractable bars, and the labor cost is greatly saved.
Owner:于济坤

Consumable chip, consumable container and power supply method of consumable chip storage unit

The invention provides a consumable chip, a consumable container and a power supply method of a consumable chip storage unit. The chip is provided with a substrate, a communication unit and an electronic module electrically connected with the communication unit are arranged on the substrate, the electronic module is provided with the storage unit and a power supply unit supplying power to the storage unit, the power supply unit is provided with a first capacitor and a second capacitor, and the capacitance value of the first capacitor is smaller than that of the second capacitor. The power supply unit is provided with a first switching device connected with the first capacitor in parallel, the first switching device is closed when the consumable chip loses power and the storage unit has no read-write operation, the power supply unit is provided with a second switching device connected with the first capacitor and the second capacitor, and the second switching device is closed when the voltage value of the second capacitor is higher than a threshold value and the storage unit has read-write operation. An ink box chip is arranged on a shell of the consumable container. A circuit is adopted in the power supply method of the consumable chip storage unit to power the storage unit. The transfer requirement of data of the storage unit can be met.
Owner:ZHUHAI TIANWEI TECH DEV CO LTD

Coal mine excavator system with environment-friendly filter

The invention discloses a coal mine excavator system with an environment-friendly filter. The coal mine excavator system comprises an air outlet hole, an air collecting cavity, groove bodies, a movable seat, an upper cover, a cover body, air inlet grooves, a handle, a sealing ring, a clamping groove, a plug pin, a fixed seat, a high-pressure air pipe, a collecting device, a base, connecting pipes,dust removal holes, filtering elements, a connecting groove, a connecting hole, an air inlet pipe and a coarse filtration device. In the coal mine excavator system, the arranged coarse filtration device can filter entered air effectively and preliminarily , meanwhile, a clearing motor in the coarse filtration device can drive filtering cylinders to rotate, the exteriors of the filtering cylinderscan be cleared through fixing brushes, and thus the effect of filleting for a long time is improved; an arranged motor can drive the movable seat to drive the filtering elements to rotate, thus it isensured that a part of the filtering elements is in a working state and the other part of the filtering elements can be replaced or reversely cleared, thus the service life of the filtering elementsis greatly prolonged, the demands of long-time work of the excavator system are met, and the working efficiency is also improved.
Owner:郑钧林

Heat dissipation system and heat dissipation method applied to light emitting surface of high-power LED lighting equipment

The invention belongs to the technical field of heat dissipation, and discloses a heat dissipation system and heat dissipation method applied to the light emitting surface of high-power LED lighting equipment. The heat dissipation method is characterized in that a hydrogel is laid on the light emitting surface of the LED lighting equipment, and heat of the LED lighting equipment is taken away in time through evaporation of water contained in the hydrogel; and after the water in the hydrogel is continuously evaporated, water is supplemented to the hydrogel through a water supplementing device.According to the heat dissipation system and heat dissipation method applied to the light emitting surface of the high-power LED lighting equipment, the problems that in the prior art, an LED device is huge in system and high in working temperature, and heat dissipation can only be carried out on the LED backlight surface are solved; and the temperature of the light emitting surface of the high-power LED device can be controlled, and reduction of the light emitting quality of the LED device can be inhibited.
Owner:WUHAN UNIV

Two-rotation-freedom-degree one-translation-freedom-degree motion platform

The invention discloses a two-rotation-freedom-degree one-translation-freedom-degree motion platform, and belongs to the field of motion simulation. The motion platform comprises an upper platform anda lower platform which are each provided with three hinge installation points distributed in an isosceles triangle shape, two isosceles triangles are similar, and the vertex angles of the two isosceles triangles are in the same direction; the perpendicular bisector of the height of the isosceles triangle on the upper platform is provided with a fixing point and a linear slide rail, and the linearslide rail is arranged in the perpendicular bisector of the height of the isosceles triangle; the upper ends and the lower ends of three pose adjusting cylinders are connected with the hinge installation points on the upper platform and the lower platform correspondingly; and the lower ends of two telescopic limiting pieces are fixed to the perpendicular bisector of the height of the isosceles triangle on the lower platform, and the upper ends of the two telescopic limiting pieces are connected with the fixing point and a slide block on the linear slide rail. The two-rotation-freedom-degree one-translation-freedom-degree motion platform can achieve three-freedom-degree motion simulation, that is, conducts rotation around the X axis and the Y axis and translation in the Z-axis direction, and accordingly is suitable for simulating rolling, pitching, heaving and other two-rotation one-translation occasions when a ship is moored on the sea.
Owner:HUAZHONG UNIV OF SCI & TECH

High-temperature lithium battery and application thereof

The invention discloses a high-temperature lithium battery and the application thereof. The high-temperature lithium battery comprises a high-temperature battery device and a wireless charging device.The high-temperature battery device comprises a battery shell, a positive electrode material, a negative electrode material and a solid electrolyte material, wherein the positive electrode material,the negative electrode material and the solid electrolyte material are mounted in the battery shell. The wireless charging device comprises a transmitter connected with a power supply and a receiver mounted on the battery shell. The high-temperature lithium battery comprises the high-temperature battery device and the wireless charging device. The wireless charging device can wirelessly charge thehigh-temperature battery device, so that the endurance time of the high-temperature battery device is long. The high-temperature battery device can meet the long-time working requirement of machineryequipment in a high-temperature environment. The high-temperature lithium battery disclosed by the invention is suitable for application in a high-temperature environment, such as development and utilization of underground resources such as petroleum and natural gas, and the field of low-current power supply equipment of mine drilling equipment.
Owner:QINGDAO UNIV

Induction heating furnace with induction coil clearance type heat dissipation

The invention provides an induction heating furnace with induction coil clearance type heat dissipation. The induction heating furnace with induction coil clearance type heat dissipation is characterized in that a coil mounting mechanism is arranged outside a furnace pipe, and comprises an inner cylinder; the furnace pipe is coaxially sleeved with the inner cylinder; a plurality of connecting blocks are fixedly connected to the inner wall of the inner cylinder, and are further fixedly connected with the outer wall of the furnace pipe; two ends of the inner side of the inner cylinder are open;and a plurality of through holes are uniformly formed in the cylinder wall of the inner cylinder. An induction coil is wound on the outer wall of the inner cylinder; adjacent coils on the induction coil are not in contact; the inner cylinder is externally coaxially sleeved with an outer cylinder; a first sealing ring and a second sealing ring are arranged at the top end and the bottom end betweenthe outer cylinder and the inner cylinder respectively, and seal the top end and the bottom end of the part between the outer cylinder and the inner cylinder respectively; a cavity is formed between the outer cylinder and the inner cylinder, and communicates with an air pump through a pipeline; and the air pump pumps air into the cavity. According to the technical scheme, active heat dissipation is adopted for the induction coil, so that the requirement for long-time work can be met.
Owner:安徽宏达电炉科技有限公司

Display device of balancing of output current of battery pack

ActiveCN107402354ADirectly judge the temperature stateAccurately measure small current differencesElectrical testingElectrical batteryState of health
The invention relates to a display device of balancing of output current of a battery pack, and belongs to the technical field of battery management. The display device comprises a batter bag box body, a battery bag box body top plate, a battery bag box body ventilation base, a battery bag lower end cover, a battery bag box body base plate, single-body cells, a battery pack sleeve, a battery pack upper cover, a battery pack positive electrode current output conductive wire and a current balancing test device. According to the invention, current output conditions of the battery consisting of serially connected single-body cells and temperature state of the unit battery can be directly judged; single-body cells of the battery bag can be freely changed; subtle current difference between multiple battery packs can be precisely measured; current balancing data and temperature state data of the battery pack can be transmitted to a power supply management hardware system; reliable data is provided for current and heat management and optimization of the battery bag; through the sleeve-type structure, health states of the whole battery bag are prevented from being affected by faults of a single cell; demands on long-term work of the battery pack are met; and the display device has wide application and market prospects.
Owner:KUNMING UNIV OF SCI & TECH

A heat dissipation system and method applied to the light output surface of high-power LED lighting equipment

The invention belongs to the technical field of heat dissipation, and discloses a heat dissipation system and heat dissipation method applied to the light emitting surface of high-power LED lighting equipment. The heat dissipation method is characterized in that a hydrogel is laid on the light emitting surface of the LED lighting equipment, and heat of the LED lighting equipment is taken away in time through evaporation of water contained in the hydrogel; and after the water in the hydrogel is continuously evaporated, water is supplemented to the hydrogel through a water supplementing device.According to the heat dissipation system and heat dissipation method applied to the light emitting surface of the high-power LED lighting equipment, the problems that in the prior art, an LED device is huge in system and high in working temperature, and heat dissipation can only be carried out on the LED backlight surface are solved; and the temperature of the light emitting surface of the high-power LED device can be controlled, and reduction of the light emitting quality of the LED device can be inhibited.
Owner:WUHAN UNIV

A three-degree-of-freedom motion platform with two rotations and one translation

The invention discloses a two-rotation-freedom-degree one-translation-freedom-degree motion platform, and belongs to the field of motion simulation. The motion platform comprises an upper platform anda lower platform which are each provided with three hinge installation points distributed in an isosceles triangle shape, two isosceles triangles are similar, and the vertex angles of the two isosceles triangles are in the same direction; the perpendicular bisector of the height of the isosceles triangle on the upper platform is provided with a fixing point and a linear slide rail, and the linearslide rail is arranged in the perpendicular bisector of the height of the isosceles triangle; the upper ends and the lower ends of three pose adjusting cylinders are connected with the hinge installation points on the upper platform and the lower platform correspondingly; and the lower ends of two telescopic limiting pieces are fixed to the perpendicular bisector of the height of the isosceles triangle on the lower platform, and the upper ends of the two telescopic limiting pieces are connected with the fixing point and a slide block on the linear slide rail. The two-rotation-freedom-degree one-translation-freedom-degree motion platform can achieve three-freedom-degree motion simulation, that is, conducts rotation around the X axis and the Y axis and translation in the Z-axis direction, and accordingly is suitable for simulating rolling, pitching, heaving and other two-rotation one-translation occasions when a ship is moored on the sea.
Owner:HUAZHONG UNIV OF SCI & TECH

An electric oil-free main air compressor

The invention discloses an electric oil-free main air compressor, and belongs to the technical field of air compressors. The electric oil-free main air compressor comprises a fan, an air compressor body, a motor, a cooler, dampers, water drainage electromagnetic valves, a pull rod and a housing. The cooler comprise a middle cooler body and a rear cooler body. At least four dampers are mounted on a fan support and a motor support correspondingly, and are connected with an automobile body. The water drainage electromagnetic valves are mounted at the lower end of the middle cooler body and the lower end of the rear cooler body. The pull rod enables the motor support and the air compressor body to be connected and locked. A damping material layer is arranged in the housing, and the air compressor body is composed of a main shell and a compression cylinder assembly. A bent axle is arranged in the main shell, and the compression cylinder assembly is in an X shape and is composed of at least one high-pressure cylinder assembly and at least two low-pressure cylinder assemblies. According to the electric oil-free main air compressor, the potential hazards of oil leaking and mixing of the air compressor are avoided through air cooling, and the maintaining cost is lowered; the compression cylinder assembly forms reasonable air flow direction, and the maximum cooling efficiency is achieved; damping materials are coated on the housing, and noise is lowered.
Owner:RUILI GROUP RUIAN AUTO PARTS CO LTD

Cultivation floating ball for luminous warning at night

The invention discloses marine product breeding equipment, in particular to a breeding floating ball for luminous warning at night, which is technically characterized by comprising a hollow ball body and a wire buckle connected with a rope, and further comprising an energy supply component arranged in the ball body and used for thermoelectric power generation, the ball body comprises an upper ball set exposed above the sea surface and used for heating the energy supply assembly through solar energy and a lower ball set used for floating and lighting at night. The energy supply assembly comprises a temperature difference power generation chip, the temperature difference power generation chip is connected with a heating source used for receiving sunlight for heating, the upper ball set comprises an upper shell used for covering the energy supply assembly and a secondary lens used for gathering and refracting sunlight to the heating source, and the lower ball set comprises a lower shell wrapping the energy supply assembly together with the upper shell and an annular belt arranged around the lower shell. A storage battery communicated with the thermoelectric power generation chip and a lamp strip used for lighting at night are arranged in the annular strip. According to the invention, the solar energy emits light and illuminates at night to continuously mark and warn the mariculture area.
Owner:上海荇衍生物科技工程有限公司

Output current balanced display data acquisition device of battery packs of bridge-type circuit

ActiveCN107706980AJudgment of health statusAccurately measure small current differencesCharge equalisation circuitCharging managementElectrical batteryData acquisition
An output current balanced display data acquisition device of battery packs of a bridge-type circuit comprises balancing resistors (11), ammeters (12), voltmeters (13), a power management system (BMS)(15) and a relay coil, wherein a positive current output wire (18) of each battery pack is divided into two paths, one path is used for connecting a normally-open contact in series to an output, theother path is connected in series normally-closed contact (16) and is connected with a front end of each balancing resistor (11) of the bridge-type circuit, in the bridge-type circuit, the eight balancing resistors (11) are connected in series in an end-to-end way to form an outer ring, and each balancing resistor (11) is simultaneously connected in series with one of the ammeters (12) and one ofthe voltmeters (13) so as to form an inner ring. By the output current balanced display data acquisition device, slight current difference among the four battery packs can be accurately measured; andthe bridge circuit and an output circuit are partitioned by the normally-open contact and the normally-closed contact, so that a dynamic output and a static output of the whole circuit are separated,the demand of the battery packs working for a long time is satisfied, and the output current balanced display data acquisition device has wide application prospect and market prospect.
Owner:云南交通运输职业学院

A coal mine excavator system with an environmentally friendly filter

The invention discloses a coal mine excavator system with an environment-friendly filter. The coal mine excavator system comprises an air outlet hole, an air collecting cavity, groove bodies, a movable seat, an upper cover, a cover body, air inlet grooves, a handle, a sealing ring, a clamping groove, a plug pin, a fixed seat, a high-pressure air pipe, a collecting device, a base, connecting pipes,dust removal holes, filtering elements, a connecting groove, a connecting hole, an air inlet pipe and a coarse filtration device. In the coal mine excavator system, the arranged coarse filtration device can filter entered air effectively and preliminarily , meanwhile, a clearing motor in the coarse filtration device can drive filtering cylinders to rotate, the exteriors of the filtering cylinderscan be cleared through fixing brushes, and thus the effect of filleting for a long time is improved; an arranged motor can drive the movable seat to drive the filtering elements to rotate, thus it isensured that a part of the filtering elements is in a working state and the other part of the filtering elements can be replaced or reversely cleared, thus the service life of the filtering elementsis greatly prolonged, the demands of long-time work of the excavator system are met, and the working efficiency is also improved.
Owner:郑钧林

High-frequency intermittent valve device based on valve element rotation

The invention discloses a high-frequency intermittent valve device based on valve element rotation. The high-frequency intermittent valve device comprises a driving assembly, a fluid cavity, a rotating valve element, a fluid outlet and a fluid inlet, wherein the rotating valve element is installed inside the fluid cavity, and the end of the rotating valve element is connected with the driving assembly; the fluid outlet is formed in the side face of the fluid cavity; and the fluid inlet is formed in the end of the fluid cavity. The high-frequency intermittent valve device solves the technical problem that in the prior art, the working frequency of a traditional electromagnetic valve is not high, and the use frequency is gradually increased.
Owner:CHANGZHOU INST OF TECH

Flexible charging type phase change heat storage pipeline and preparation method thereof

The invention discloses a flexible charging type phase change heat storage pipeline and a preparation method thereof. The flexible charging type phase change heat storage pipeline comprises a silica gel pipe, an electric heating wire and a phase change energy storage material. The preparation method includes: fusing and mixing, threading and positioning, filling and the like. The flexible chargingtype phase change heat storage pipeline has the advantages that the pipeline is soft, flexible to arrange, capable of satisfying the comfortableness requirements of warm-keeping supplies such as winter cotton clothes, bedding and outdoor protective devices, short in charging and heat storing time, simple to operate, capable of achieving safe-voltage charging, free of electricity during use, capable of avoiding overheat, free of potential safety hazard, high in phase change latent heat release quantity, long in heat preservation time and capable of satisfying long-term outdoor working requirements in winter.
Owner:烟台开发区蓝鲸金属修复有限公司

A Thermal Data Acquisition Smart Current Regulation Battery Box with Replaceable Battery Units

The invention relates to an intelligent current regulation battery box with a replaceable battery unit for heat data acquisition, and belongs to the technical field of battery management. Holes which are opposite up and down are formed in a top plate and a bottom plate of a battery pack; single batteries stacked into groups are loaded into sleeves to be pressed in openings in the top plate and the bottom plate by two ends of upper end covers and lower end covers with ventilating windows; a thermal expansion and contraction open and close window is arranged in the first section of single battery in each sleeve; positive electrodes and negative electrodes for extracting single battery groups are arranged in openings of the upper end covers and the lower end covers respectively; positive electrode output is connected with a thermal fuse; a current loop of each positive electrode and negative electrode is connected with one bleeder resistor, one thermistor and one led lamp bead in series; each thermistor is connected with a grid of one corresponding field-effect tube; the positive electrode of each single battery group is connected with a drain of the corresponding field-effect tube; and source output ends of all field-effect tubes are connected in parallel. The intelligent current regulation battery box is simple in structure; the temperature conditions of the batteries formed by connecting the single batteries in series can be quickly judged; the single batteries can be freely replaced; independent current regulation can be carried out according to the temperature; and intelligent and independent air cooling can be achieved.
Owner:DONGGUAN LILONG BATTERY TECH CO LTD

Air filter assembly applied to automobiles

The invention relates to an air filter assembly applied to automobiles and belongs to the technical field of key parts of automobiles. The air filter assembly comprises a body shell, an air outlet endshell, an end cover, a filter element, two prefilters and a sand-proof net, wherein mounting threaded seats used for fixing are arranged at the bottom of the body shell; two circular air inlets usedfor mounting the prefilters are formed in the top of the body shell; handles used for carrying and at least two auxiliary mounting threaded seats are arranged on two sides of the upper part of the body shell; the air outlet end shell and the end cover are connected to two end surfaces of the body shell respectively; the filter element is arranged inside the body shell; the sand-proof net is provided with a rigid frame; the rigid frame is detachably and fixedly connected to the body shell through the auxiliary mounting threaded seats. According to the design of the air filter assembly, the airfilter assembly has higher ash receiving capacity; the functions of fixing more firmly and fixing accessories more conveniently can also be achieved; the air filter assembly has extremely high technical progressiveness.
Owner:SINO TRUK JINAN POWER

A battery pack output current balance display device

ActiveCN107402354BDirectly judge the temperature stateAccurately measure small current differencesElectrical testingElectrical batteryState of health
The invention relates to a display device of balancing of output current of a battery pack, and belongs to the technical field of battery management. The display device comprises a batter bag box body, a battery bag box body top plate, a battery bag box body ventilation base, a battery bag lower end cover, a battery bag box body base plate, single-body cells, a battery pack sleeve, a battery pack upper cover, a battery pack positive electrode current output conductive wire and a current balancing test device. According to the invention, current output conditions of the battery consisting of serially connected single-body cells and temperature state of the unit battery can be directly judged; single-body cells of the battery bag can be freely changed; subtle current difference between multiple battery packs can be precisely measured; current balancing data and temperature state data of the battery pack can be transmitted to a power supply management hardware system; reliable data is provided for current and heat management and optimization of the battery bag; through the sleeve-type structure, health states of the whole battery bag are prevented from being affected by faults of a single cell; demands on long-term work of the battery pack are met; and the display device has wide application and market prospects.
Owner:KUNMING UNIV OF SCI & TECH
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