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113results about How to "Reduce installation complexity" patented technology

Multiphase energy storage inverter parallel system and network side wiring detection method thereof

The invention discloses a multiphase energy storage inverter parallel system and a network side wiring detection method thereof, the system comprises a plurality of multiphase energy storage inverters, one is a host, and the rest are slaves; the network side wiring detection method comprises the steps that counters corresponding to all phases in a host and all the slaves count respectively, and the host and all the slaves detect the voltage of all phases of a power grid respectively; when receiving the detection signal sent by the host, the slave checks whether the numerical value of the counter of the corresponding phase is within a preset range, and if so, the phase wiring is correct; if not, the phase wiring is wrong; after the slave machine completes wiring detection of all phases and wiring is correct, the slave machine outputs a feedback signal; and after receiving the feedback signals of all the slaves, the host judges whether the effective value of the current grid voltage is within a normal range, and if so, the host is controlled to be in parallel operation and grid-connected operation with all the slaves. According to the invention, the method can accurately recognize the wiring error of the power grid when a plurality of multiphase energy storage inverters are connected in parallel, and improves the safety of an energy storage system.
Owner:SHENZHEN POWEROAK NEWENER CO LTD

Wall bushing

The invention relates to the technical field of wall bushings, in particular to a wall bushing which comprises an insulating bushing, a mounting cylinder is fixedly mounted on the periphery of the insulating bushing, and a plurality of mounting grooves parallel to the axis of the mounting cylinder are formed in the middle of the periphery of the mounting cylinder; an abutting mechanism is mounted in the mounting groove and comprises a supporting assembly arranged in the mounting groove, and the supporting assembly is fixedly connected with an abutting assembly; a second adjusting ring and a first adjusting ring are mounted on the periphery of the mounting cylinder, meshing teeth are arranged on the periphery of the first adjusting ring, and a plurality of containing grooves are further formed in the periphery of the mounting cylinder; and a transmission assembly is arranged in the placing groove. According to the invention, the installation between the sleeve main body and the side plate hole can be completed only by rotating the adjusting ring II, so that the installation complexity and the man-hour cost are reduced; and the design of a vibration reduction type elastic supporting structure of a supporting assembly in the abutting mechanism can absorb and disperse vibration energy, and the safety and stability of the wall bushing in long-term use are improved.
Owner:JINAN FLITON ELECTRIC TECH CO LTD

Hydrodynamic dust remover

The utility model relates to the field of coal mine dust removal equipment, in particular to a hydrodynamic dust remover. The filter takes underground water as a filtering object, one end of the shell is used for feeding air and dust, the other end of the shell is used for discharging water and dust, and the dust removal assembly is located in the shell, one end of the dust removal assembly is connected with the filter, and the other end of the dust removal assembly takes underground water pressure as power to generate airflow and water mist acting on dust. On one hand, water pressure of underground water is utilized to push the water shaft to rotate, then the water outlet pipe is driven to rotate, power is generated, the fan blades are driven to rotate, air sucks dust into the shell, on the other hand, the water pressure of the underground water is utilized, and the underground water is scattered and sprayed out through the spray head to form water mist particles. And finally, the refined water mist can effectively capture dust suspended in the working environment, and wind-water linkage dust falling is achieved. And meanwhile, the amount of water mist required by dust falling is reduced, and the extremely humid mining environment is improved.
Owner:PINGDINGSHAN TIANAN COAL MINING

Off-grid inverter battery protection and charging control method and system based on impedance detection

The invention belongs to the technical field of off-grid inverter and battery management, and particularly relates to an off-grid inverter battery protection and charging control method and system based on impedance detection, and the method comprises the steps: collecting battery input parameters under two different load working conditions: no-load or light-load and on-load conditions; an Ohm law analytical algorithm is adopted, a corresponding relation model of the lithium battery remaining capacity SOC and the battery internal resistance is preset, the current actual internal resistance of the battery is obtained, the preset SOC-internal resistance corresponding relation model is input, and the current SOC value of the battery is obtained through reverse deduction; an inverter charging current adjusting threshold value is set in a grading mode, and a multi-dimensional risk early warning threshold value is set in a grading mode; and when the monitored numerical value exceeds a correspondingly set risk early warning threshold value, triggering a risk early warning signal of a corresponding grade and a matched disposal action, and carrying out full-process management and control of battery state real-time monitoring, charging current self-adaptive adjustment and risk early warning. Therefore, the problems of short service life, poor charging safety and the like of the battery in the prior art are solved.
Owner:NANJING OULU ELECTRIC CORP LTD

Unmanned aerial vehicle hybrid deployment flight control system

The invention discloses an unmanned aerial vehicle hybrid deployment flight control system. The system comprises an airborne computing unit arranged on the unmanned aerial vehicle, a computing power CPU of the airborne computing unit comprises a plurality of cores, and flight control software is installed on the airborne computing unit in a hybrid deployment mode; a specific core of the computing power CPU runs the flight control software and the RTOS real-time domain; other cores of the computing power CPU run a Linux operating system and an intelligent computing domain, and the intelligent computing domain is used for executing an intelligent computing task; and different cores of the computing power CPU are connected through a communication bus. According to the invention, the flight control software and the intelligent computing task are mixed and deployed on different cores of the same airborne computing unit, so that when the airborne computing unit needs to be configured, an independent flight control board card is not used any more; flight control software and an intelligent computing task share one computing power CPU, redundancy and volume increase of multiple hardware modules are avoided, and installation complexity and cost are effectively reduced.
Owner:HUAZHI (BEIJING) TECH CO LTD

Heat pump convenient to assemble

The utility model discloses a heat pump convenient to assemble, which comprises a heat pump shell, an installation cavity is arranged in the heat pump shell, a refrigerating system and a buffer water tank are arranged in the installation cavity, and a water outlet and a water return port are arranged on the heat pump shell. The water outlet and the water return port are communicated with the mounting cavity; the water outlet is communicated with the buffer water tank through an eduction tube; the double-pipe heat exchanger comprises a heat exchange inner pipe and a heat exchange outer pipe, the heat exchange inner pipe is arranged in the heat exchange outer pipe in a penetrating mode, one end of the heat exchange inner pipe is communicated with the outlet end of the refrigerating system, and the other end of the heat exchange inner pipe is communicated with the inlet end of the refrigerating system; one end of the heat exchange outer pipe is communicated with the buffer water tank, and the other end of the heat exchange outer pipe is communicated with the water return port. According to the heat pump convenient to assemble, the buffer water tank is integrally installed in the installation cavity in the heat pump shell, pipeline connection is conducted in the installation cavity of the heat pump shell, and installation is convenient.
Owner:GUANGDONG WOTECH RENEWABLE ENERGY & TECH CO LTD

Tactile sensor and bionic mechanical finger with same

The invention provides a tactile sensor and a bionic mechanical finger with the tactile sensor, the tactile sensor comprises a shell, a shooting assembly, a lighting assembly and a touch layer, the shell is provided with a transparent part, and the touch layer is connected with the transparent part; the shooting assembly is arranged in the shell, and the shooting end faces the transparent part; an illumination space is formed in the shell, and the illumination assembly illuminates the illumination space and the touch layer; the touch layer sequentially comprises a transparent elastic layer, a pattern layer, a background layer and a wear-resistant layer in the direction from the shooting assembly to the transparent part; when the wear-resistant layer is in contact with an object, the specific pattern on the pattern layer deforms, so that the shooting assembly captures the change of the specific pattern and obtains touch information. Deformation of a specific pattern on the touch layer when the touch layer makes contact with an object is captured through the shooting assembly, and the change is analyzed through an advanced image processing algorithm, so that detailed touch information is generated, interactive feedback is provided for a user, and the touch detection capacity with high sensitivity and accuracy is ensured.
Owner:DAIMON (SHENZHEN) ROBOTICS TECHNOLOGY CO LTD

Planetary gearbox sun gear tooth root wireless stress test system

The invention discloses a planetary gearbox sun gear tooth root wireless stress test system, which comprises a test computer, a wireless gateway and a plurality of emergency test modules, and is characterized in that each emergency test module comprises an antenna, a plurality of wireless strain testers and a plurality of strain gauges; the wireless strain tester obtains stress data of the tooth root of the corresponding sun gear through the strain gauge and transmits the obtained stress data to the test computer through the antenna and the wireless gateway. According to the planetary gear box sun gear tooth root wireless stress test system disclosed by the invention, a complex slip ring structure and complex wiring are not needed on site, the stress of the sun gear tooth root is acquired through the plurality of wireless strain testers, and data are transmitted to the external wireless gateway through wireless signals; wireless, multi-channel, distributed, high-precision and high-time-synchronization sun gear tooth root stress data acquisition is realized.
Owner:TONGQUAN TECH (JIAXING) CO LTD

Non-contact vacuum pump driving method and device based on centrifugation and magnetic force transmission

The invention relates to the technical field of vacuum pumps, and discloses a non-contact vacuum pump driving method and device based on centrifugation and magnetic force transfer, the non-contact vacuum pump driving device comprises a motor, a bottom shell and a pump body, and the output end of the motor is connected with a shaft rod of the pump body through a connecting base; the moving frame is located in the bottom shell and connected with the spring; the outer sides of the magnetic ring and the connecting base are connected with a magnetic assembly, when the motor is not driven, the spring enables the moving frame to be located at the initial position, when the motor is driven, the magnetic assembly is opened under centrifugal force and gets close to the magnetic ring, the magnetic ring is driven by magnetic force to enable the moving frame to move, and at the moment, the sealing cover connected with the moving frame blocks the pressure relief opening of the bottom shell. The motor drives the connecting seat to rotate to generate centrifugal force to enable the magnet to be close to the magnetic ring, the magnetic force of the magnet is utilized to extrude the magnetic ring to achieve transmission and operation without mechanical contact, collision and abrasion between mechanical parts are reduced, then vibration and noise are reduced, the reliability of equipment is improved, the service life of the equipment is prolonged, and operation stability and quietness are improved.
Owner:DONGGUAN YULI ELECTRONIC TECHNOLOGY CO LTD

Slag crane travelling crane equipment for waste incineration power plant and use method

The invention relates to the field of slag crane travelling cranes, in particular to slag crane travelling crane equipment for a waste incineration power plant and a using method. The invention aims to solve the technical problems that when a bridge type slag crane is used for hoisting garbage through a mechanical grab bucket, the mechanical grab bucket shakes and swings, and the swinging mechanical grab bucket can increase the transfer time, reduce the operation efficiency, cause extra burden and abrasion to a mechanical structure of the bridge type slag crane and even cause safety accidents. Comprising a steel wire rope, a hoisting mechanism is fixedly connected to the end of the steel wire rope, a buffering mechanism is rotationally connected to the outer side of the steel wire rope, and a grab bucket mechanism is arranged on the lower side of the buffering mechanism. By arranging the buffering mechanism, two buffering balls slide in a transverse cylindrical sliding groove of a shell in a reciprocating mode to extrude and stretch buffering springs on the two sides, the two buffering balls slide in a reciprocating mode to drive two linkage bases to slide in an oval sliding groove of the shell in a reciprocating mode, and at the moment, four buffering wheels of the buffering mechanism are kept at the same height all the time.
Owner:XINXIANG CAPITAL ENVIRONMENTAL ENERGY CO LTD

Dual-light lens car lamp

The invention discloses a bifocal lens car lamp which comprises a first heat dissipation support, a first light source module and a second light source module which are arranged on the first heat dissipation support, shading devices corresponding to the first light source module and the second light source module, and a second heat dissipation support arranged in front of the first heat dissipation support along a light path. The second heat dissipation support is sequentially provided with a perpendicular incidence module and a lens along the light path, the LED lamp further comprises a perpendicular incidence heat dissipation module corresponding to the perpendicular incidence module, and the perpendicular incidence module does not shield light rays projected to the lens by the first light source module and the second light source module. The second heat dissipation support is arranged to be used for installing the perpendicular incidence module and the lens and guiding out heat generated by the perpendicular incidence module, the heat conduction channel area of the perpendicular incidence module is increased, meanwhile, the perpendicular incidence heat dissipation module is arranged to conduct independent heat dissipation on the perpendicular incidence module, and the heat dissipation efficiency is greatly improved. A direct injection module installation support and an installation space do not need to be independently arranged, and the production cost, the installation complexity and the size of the whole automobile lamp are effectively reduced.
Owner:SUPERVISION LASER TECH SUZHOU CO LTD

A millimeter wave radar-based traffic detection device

ActiveCN224417387Ureduce dependenceDepend on jump outRadarDisplay device
The utility model relates to traffic detection technical field in intelligent traffic system especially, more particularly to a kind of traffic detection device based on millimeter wave radar, comprising: the picture acquisition mechanism of being set to device front end;First trigger radar and picture acquisition mechanism are sequentially arranged, detect vehicle entry condition;Second trigger radar and first trigger radar are sequentially arranged, confirm vehicle existence state;Transaction identification antenna is set after second trigger radar;Third trigger radar and transaction identification antenna are installed in same position, identify vehicle transaction success and send signal;Flow radar and third trigger radar are sequentially arranged;Gate lever and third trigger radar are communicatively connected, perform lifting action;Anti-smashing radar and gate lever are set in same position, detect vehicle after passing through and carry out relay attraction to complete gate lever pole falling action;Display is set in whole device end. The utility model greatly reduces installation complexity and long-term maintenance cost, and improves the comprehensive detection capability of the system.
Owner:JIANGSU JINGXING WUYUAN TECH CO LTD

A method and system for adjusting the height of a commercial vehicle cab

PendingCN122585331Areduce in quantityReduce wiring harness layout
The application relates to a cab height adjusting method for a commercial vehicle, which comprises the following steps: acquiring the real-time telescopic amount of a lifting oil cylinder of a cab through a displacement sensor installed on the lifting oil cylinder, acquiring the real-time included angle between the axis of the lifting oil cylinder and a horizontal plane through an inclination sensor installed on the lifting oil cylinder; calculating the height variation amount of the cab relative to a chassis based on the real-time telescopic amount and the real-time included angle, and calculating the height pressure adjusting amount of four air bags based on the height variation amount. The displacement sensor and the inclination sensor are integrated on the original lifting oil cylinder, so that the cab height information can be indirectly acquired, a special height sensor does not need to be additionally arranged, the number of sensors and the wire harness arrangement are reduced, the system hardware cost and the installation complexity are reduced, the active electric control adjustment of the cab posture can be realized without greatly reforming the whole vehicle framework, the system integration degree is high, and the application is easy to popularize and apply on the existing vehicle platform.
Owner:DONGFENG COMML VEHICLE CO LTD

Elevator car roof maintenance control loop and elevator

The utility model discloses an elevator car roof maintenance control loop and an elevator, and a maintenance starting loop is used for generating a maintenance starting signal and sending the maintenance starting signal to a CTB car serial plate; a diode module; the main control board is used for sending an overhaul starting signal to the CCB elevator main control board when the overhaul starting loop is conducted; the CTB lift car serial board generates a maintenance operation instruction and sends the maintenance operation instruction to the CCB lift main control board based on the output state of the first signal port and the maintenance starting signal; according to the utility model, the diode module synchronizes the maintenance starting signal to the CCB elevator main control board, and the CCB elevator main control board executes the maintenance operation instruction based on the maintenance operation instruction and the maintenance starting signal sent by the diode module, so that the accurate execution of the maintenance operation instruction is ensured, and the safety risk caused by signal asynchronization is avoided.
Owner:NINGBO HONGDA ELEVATOR

Indoor residue discharging device

The utility model discloses an indoor residue discharging device which comprises an air inlet, a driver, a ventilation pipeline, a processing bin and an air outlet. The driver drives indoor air to enter the ventilation pipeline through the air inlet, the ventilation pipeline conveys the air to the treatment bin, a solution mixed with catalase is arranged in the treatment bin, the ventilation pipeline extends into the treatment bin and is inserted into the solution, the catalase can reduce the content of a strong oxidant in the air, and the content of the strong oxidant in the air can be reduced. The treated air returns indoors through the air outlet to form a closed-loop air purification loop; and a pipeline leading to the outside is not needed, the installation complexity is reduced, cyclic utilization of indoor air is achieved, and the environmental hardware requirement is reduced.
Owner:WENZHOU WEIKE BIOLOGICAL LAB EQUIP

Base for fixing core drill underwater

The utility model discloses a base for fixing a core drill underwater, which belongs to the technical field of core drills and comprises a supporting bottom plate, a connecting plate is mounted at the top of the supporting bottom plate, two first fixing plates are fixedly connected to the top of the connecting plate, and two second fixing plates are mounted at the bottom end of the supporting bottom plate. And mounting rings are fixedly connected to the tops of the two second fixing plates. By arranging the first fixing plate, the second fixing plate, the sliding grooves, the fixing rods, the first threaded rods, the first nuts and the fixing nuts, compared with the prior art, the first fixing plate and the second fixing plate can be rapidly connected through swinging of the multiple first threaded rods; and the connecting plate and the supporting bottom plate can be effectively fixed through the multiple first nuts, the number of rotation times of the multiple first nuts is reduced, the complex installation process is reduced, rapid installation and disassembly are convenient to achieve, the working efficiency is improved, and the installation time of underwater operation is shortened.
Owner:TIANJIN DAHAI HARBOR SHIPPING CO LTD

Power generation system utilizing energy recovered by axle brake system

The invention relates to the technical field of energy recovery power generation systems, and discloses a power generation system utilizing energy recovered by an axle brake system, which comprises a modular energy storage unit, an intelligent control module and an integrated energy recovery module, and is characterized in that the system is connected and communicated with a standardized interface following the ISO / IEC 11801 standard; according to the system, mechanical energy generated in the braking process of a vehicle is utilized, the mechanical energy is efficiently converted into electric energy at the efficiency not lower than 85% through the energy recovery module and stored in the energy storage unit, and the intelligent control module comprehensively manages and optimizes energy storage, distribution and use so as to improve the energy utilization rate and ensure efficient operation of the system. According to the power generation system utilizing the recovered energy of the axle brake system, efficient energy conversion is achieved by optimizing the energy recovery module design and the intelligent control system, the energy recovery efficiency is remarkably improved, the core problem in the prior art is solved, and the actual application value of the system is improved.
Owner:SHANXI HUAJUN AUTOMOBILE MFG CO LTD

Double-layer coating die head and coating method thereof

The present invention relates to a double-layer coating die head and a coating method thereof, belonging to the technical field of coating, the double-layer coating die head comprises an upper die, a middle die, a separation block, a lower die, an upper gasket, and a lower gasket, the upper die covers the middle die, the upper gasket is laid in the contact gap between the upper die and the middle die, the separation block is located between the middle die and the lower die, and the lower gasket is laid in the contact gap between the separation block and the lower die. The coating method is that the lower slurry is first attached to the foil material, and the upper slurry is attached to the lower slurry to form a double-layer coating. Due to the introduction of the separation block, the upper and lower flow channels of the present invention are forced to separate, the lower slurry first contacts the atmosphere, the liquid pressure is equal to the atmospheric pressure, and then contacts the upper slurry in the lip foil gap of the upper flow channel. At this time, due to the intervention of atmospheric pressure, the pressure of the lower flow channel is no longer disturbed by the upper flow channel, so that the pressures of the upper and lower flow channels are independent and do not interfere with each other.
Owner:NANJING HUASHI INTELLIGENT TECH CO LTD

Air film vibration snow removal device and air film

The utility model relates to an air film vibration snow removing device and an air film, comprising a plurality of pneumatic vibrators, the plurality of pneumatic vibrators are respectively installed on a steel cable arranged outside the air film through hoops, and the pneumatic vibrators are connected with an air compressor through an air conveying pipeline; a limiting stopper is arranged on the side, connected with the air conveying pipeline, of the pneumatic vibrator, and the steel cable is sleeved with the limiting stopper. The air film snow removing device has the advantages that the air film snow removing device is installed through the steel cable structure arranged outside the air film, the problems that snow may be accumulated in the operation and use process of the air film structure, and snow is inconvenient and not timely to remove are effectively solved, and the snow removing device is fixedly installed on the steel cable at the position, where snow is prone to accumulate, outside the air film. Installation is simple and fast, and the number and positions of the pneumatic vibrators can be flexibly configured according to needs; the steel cable outside the air film is used as a support of the pneumatic vibrator, so that the problem of mounting and fixing the air film is solved; and the surface of the gas film can be vibrated efficiently.
Owner:METASPACE BEIJING AIR DOME

Water-cooling heat dissipation system

The utility model discloses a water-cooling heat dissipation system. The water-cooling heat dissipation system comprises an upper shell and a lower shell, and a sealed box body is defined by the upper shell and the lower shell. A liquid injection hole is formed in the top of the upper shell; the lower shell is of an assembly structure integrally formed through the aluminum extrusion technology, the outer surface of the side wall of the lower shell is provided with peripheral special-shaped heat dissipation tooth pieces, heat conduction fins are arranged in the lower shell, the heat conduction fins isolate flow channels in the sealed box body, and the opposite side walls of the lower shell are provided with liquid inlet holes and liquid outlet holes communicated with the flow channels. According to the technical scheme, the number of devices to be connected through pipelines is reduced through integrated treatment, so that the system installation complexity is reduced, and the installation space needed by the system is reduced; in addition, heat conduction fins are arranged in the lower shell to isolate a flow channel of condensate in the sealed box body, so that the condensate can be in full contact with the heat conduction fins, and the heat dissipation effect is improved.
Owner:ZHIDAO NETWORK TECH (BEIJING) CO LTD

Combined air conditioning unit

The utility model relates to the technical field of air treatment, and discloses a combined air conditioning unit which comprises a shell, a plurality of functional sections are arranged in the shell, and the plurality of functional sections at least comprise a filtering section; the filtering section is provided with a filtering module, the filtering module comprises a mounting frame, a plurality of filters and middle supporting frames, the filters are sequentially arranged in the mounting frame front and back in the airflow direction, each middle supporting frame is of a frame structure defined by supporting frame side plates on the periphery, and every two adjacent filters are spaced by one middle supporting frame to form a certain space; a first opening is formed in at least one supporting frame side plate of the middle supporting frame, and the first opening is communicated with the interval space between the two corresponding filters. According to the combined type air conditioning unit, the multiple layers of filters are arranged in the installation frame, the requirement for independent pressure taking of each layer of filter is met through the middle supporting frame, the number of the installation frames of the filters and the space needed for overhauling can be reduced, the section length of a combined type air conditioner is saved, and the manufacturing cost and the installation complexity are effectively reduced.
Owner:QINGDAO HISENSE BOSCH AIR CONDITIONING SYSTEM CO LTD

Gas meter current control circuit based on M-Bus communication

The utility model discloses a gas meter current control circuit based on M-Bus communication, which is characterized by comprising a transmitting end circuit and a receiving end circuit, the transmitting end circuit is connected with a single chip microcomputer, the receiving end circuit is connected with the transmitting end circuit through an M-Bus communication bus, the transmitting end circuit is used for converting a transmitting signal of the single chip microcomputer into a current signal, and the receiving end circuit is connected with the receiving end circuit through the M-Bus communication bus. And the receiving end circuit is used for detecting the current signal change and decoding the current signal change into a digital signal. Compared with the prior art, the gas meter current control circuit based on the M-Bus communication has the advantages that the gas meter current control circuit based on the M-Bus communication is carried out in a two-wire system communication mode, corresponding level signals are converted and modulated through current signals, the stability of signal transmission is improved, and the anti-interference capacity is improved.
Owner:ZHEJIANG TIANCHEN MEASUREMENT & CONTROL TECH CO LTD

Greenhouse environment mobile acquisition device

The utility model relates to the technical field of greenhouses, and provides a greenhouse environment mobile acquisition device which comprises an environment acquisition device. The track is arranged at the top of the greenhouse in the first direction, a plurality of collection point positions are arranged on the track at intervals, and each collection point position is provided with a position detection component; the transmission part is movably arranged on the track, is connected with the environment acquisition device and is used for driving the environment acquisition device to move on the track in the first direction and staying at each acquisition point position to complete environment information acquisition; the driving device is in transmission connection with the transmission part and used for driving the transmission part to move in the first direction; the controller is electrically connected with the driving device and used for controlling starting and stopping of the driving device; according to the utility model, greenhouse space utilization is optimized, dynamic coverage is realized with less equipment, data is closer to actual environment distribution, and greenhouses with different areas can be flexibly adapted.
Owner:BEIJING NANJIAO AGRI PRODUCE JINGYING MANAGE CENT

Air duct assembly, air conditioning system and vehicle

ActiveCN224409257UEfficient integrationGuaranteed FusionAir volumeElectric machinery
The utility model relates to a ventilation equipment field provides a kind of air duct assembly, air conditioning system and vehicle.Wind channel component includes air supply device, air supply device includes wind box, and wind box is opened with air inlet and air outlet, air inlet is provided with filter piece, and the position corresponding with air inlet in wind box is provided with air guide piece;Distribution box, fluid communication is in air outlet, and distribution box is provided with valve group, and distribution box includes first air duct, second air duct and third air duct, first air duct is fluid communication with the driver's room of vehicle, second air duct is fluid communication with the traction motor cabin of vehicle, third air duct is fluid communication with the passenger room of vehicle, and valve group is used to distribute the air intake of first air duct, second air duct and third air duct.The air duct assembly can make the airflow output of each air duct stable, avoid the air supply fluctuation caused by external wind pressure variation, ensure the comfort of driver's room, passenger room and the heat dissipation effect of traction motor cabin, improve the reliability of vehicle operation, simplify the structure of air duct assembly.
Owner:CRRC QINGDAO SIFANG CO LTD

Expansion kettle, cooling system and vehicle

The utility model relates to the technical field of battery cooling of new energy automobiles, and provides an expansion kettle, a cooling system and a vehicle, the expansion kettle comprises a kettle body and a conveying pipeline group, a separation flow channel is arranged in the kettle body, the lower end of the kettle body is provided with an opening, and the conveying pipeline group comprises a conveying pipeline and a discharge pipeline. One end of the conveying pipeline corresponds to the opening, and the other end of the conveying pipeline is communicated with a cooling pipeline of the battery cooling system; provided is a pressure water tank cover. A gas-liquid mixture discharged from the cooling pipeline enters the conveying pipeline, and part of the gas-liquid mixture enters the kettle body along the conveying sub-pipeline, is subjected to gas-liquid separation by utilizing the separation flow channel, and is output into the converging sub-pipeline from the kettle body along the outlet; and the other part of the gas-liquid mixture directly flows into the exhaust pipeline along the converging sub-pipeline, and the gas-liquid mixture in the cooling pipeline enters the conveying pipeline again, so that the circulation is realized, and finally, the effect of gradually emptying the air in the cooling pipeline is realized.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Intelligent photovoltaic module

The invention relates to an intelligent photovoltaic module, and relates to the technical field of solar photovoltaic, the intelligent photovoltaic module comprises a plurality of battery strings and a plurality of junction boxes corresponding to the battery strings, and at least one of the plurality of junction boxes is an intelligent junction box; the intelligent junction box comprises a signal circuit, a sampling circuit and a control circuit. The signal circuit is used for demodulating a turn-off signal and a communication signal; the sampling circuit is used for collecting voltage and current; the control circuit is used for controlling the opening and closing of the intelligent junction box according to the turn-off signal; and the control circuit is also used for adjusting the on-off state in the intelligent junction box according to the voltage and the current under the regulation and control of maximum power point tracking (MPPT). According to the invention, the photovoltaic module can be conveniently detected and controlled.
Owner:ZHEJIANG JIAMING ELECTRIC POWER TECHNOLOGY CO LTD

A copper busbar mounting structure for a cable branch box

ActiveCN224289261USmooth and synchronous dockingSimultaneous fixationBus-bar/wiring layoutsCable junctionsBusbarElectrical connection
This utility model discloses a copper busbar installation structure for a cable branch box, belonging to the field of cable branch boxes. It includes a cable branch box body, with an installation plate slidably connected to the inner cavity of the body. Structural grooves are formed on one inner wall of the body and one side of the installation plate. Several lead screws are arranged within the inner cavity of the structural grooves, with corresponding lead screws fixedly connected by connecting rods. A sliding block is threaded onto the outer ring of each lead screw, and an L-shaped stop block is fixedly connected to one side of the outer surface of the sliding block. Through the coordinated use of these devices, multiple copper busbars can be simultaneously fixed, significantly improving installation efficiency. This avoids problems such as scratches on the copper busbar surface or deformation of bolt hole edges caused by improper manual operation in traditional bolt fixing methods, effectively protecting material integrity, improving the safety and reliability of electrical connections, simplifying the operation process, and reducing installation complexity.
Owner:HUASHAN CABLE CO LTD

A water-saving irrigation water metering device

The present invention provides a water-saving irrigation water metering device including a flow meter device, wherein the flow meter device includes a main frame, a fastener and an ultrasonic component. The main frame is composed of a base, a fixed seat and a handle. The left and right ends of the base are provided with fixed seats, which are connected to the handle. The fastener is composed of an arc plate, a rotating shaft and a torsion spring. The arc plate is hinged at the left and right ends of the base through the rotating shaft. The torsion spring makes the arc plate naturally shrink inward to form a ring body to wrap the upstream and downstream ends of the branch pipe. The ultrasonic component includes a bottom plate fixed on the base, an ultrasonic processor and a sensor. The sensor is connected to the processor through a data cable, and the processor transmits the flow data to the main controller through the LoRa gateway. The device is compact and portable in design, easy to assemble and disassemble quickly, adapts to multi-branch irrigation scenarios, and effectively reduces installation complexity and labor costs; the device monitors the irrigation water consumption in real time, helps water resource managers adjust the irrigation amount according to crop needs and weather conditions, avoids over-irrigation, and reduces water waste.
Owner:HENAN PROVINCIAL PEOPLES SHENGLI CANAL PROTECTION CENT +1

New energy system, new energy system energy scheduling method and edge gateway

The invention discloses a new energy system, a new energy system energy scheduling method and an edge gateway, and relates to the technical field of new energy, the new energy system comprises an inverter, a direct current source and the edge gateway, the edge gateway is in communication connection with the inverter and intelligent electric equipment, and by multiplexing the communication and edge calculation functions of the edge gateway, the energy scheduling of the new energy system is realized. The operation data of the DC source and the multi-dimensional operation data of each intelligent electric device are acquired, so that the total electric load data of the intelligent electric devices in the future preset time period are predicted based on the multi-dimensional operation data of each intelligent electric device. And a scheduling instruction is generated based on the total power utilization load data of the intelligent power utilization equipment and the operation data of the direct current source in the future preset time period, and the scheduling instruction is sent to the inverter, so that energy scheduling of the new energy system is realized. According to the invention, a traditional mode of measuring the total power by depending on an intelligent electric meter is abandoned, and the hardware cost and the installation complexity of a new energy system are reduced.
Owner:NANJING GUANGXIAN TECH CO LTD