273results about How to "Guaranteed normal charging" patented technology

A vehicle air-conditioner system with a battery heat management function comprises a compressor, a condenser, a first expansion valve and an evaporator. The compressor, the condenser, the first expansion valve and the evaporator are connected in the first flowing direction of a refrigerant to form an air-conditioner refrigeration circulation loop. The vehicle air-conditioner system further comprises a plate heat exchanger, a second expansion valve, an air-water heat exchanger, a fan, a water pump, an electric heater and a battery pack built-in heat exchanger. The fan is arranged on the air inlet side of the air-water heat exchanger. The compressor, the condenser, the second expansion valve and the plate heat exchanger are connected in the second flowing direction of the refrigerant to form a battery cooling low-temperature medium circulation loop. The battery pack built-in heat exchanger, the water pump, the plate heat exchanger, the air-water heat exchanger and the electric heater are connected in the water circulation direction to form a battery temperature adjusting medium circulation loop. According to the vehicle air-conditioner system, uniform management of the temperature inside a vehicle and the temperature of a battery is achieved, a battery pack is in the better temperature environment all the time during working, and it is ensured that the good refrigeration effect is achieved inside the vehicle.

The invention relates to a driving method for a liquid crystal display device. The liquid crystal display device comprises m lines and n rows of pixels. Every line of pixels is connected with a scanning beam; a grid actuator provides a scanning signal for the scanning beam; wherein, double scanning and charging are carried out on every line of pixels in a frame; a precharging voltage is charge for the first time; data voltage is charged for the second time; the precharging voltage and the data voltage have the polarity. The driving method for the liquid crystal display device provided by the invention can ensure the pixels to be charged completely by precharging the pixels and improves the display quality.

The invention discloses a vehicle-mounted charging control system of an electric vehicle and a control method of the system. The system comprises a charger controller, a local charging management system, a storage battery and a remote service center. The charger controller is used for receiving and processing information sent by the charging management system and charging the storage battery. The local charging management system is used for receiving a real-time charging strategy of the remote service center and carrying out all-round tracking and information feedback during the charging process. The storage battery is used for feeding back voltage and charging or discharging through bilateral communication of the storage battery and the charging management system. The remote service center is used for diagnosing the charging process in real time, providing the optimal charging control strategy suitable for a battery arranged on each electric vehicle, accumulating charging times and charging stability, and reminding a vehicle owner to go to a maintenance station timely when problems occur. The charging process is safe and controllable, resistance from the society to high-voltage electricity during use of the electric vehicle is eliminated, real-time tracking and remote diagnosis of charging parameters of the electric vehicle are achieved, and charging reliability of the electric vehicle is improved.

The invention discloses an intelligent parking system based on a shared charging station and a control method of the system. The system comprises the charging station, public parking stalls, a commercial parking lot, a parking lot of an enterprise or public institution and private parking stalls in a community; the system further comprises parking lot management systems of the commercial parking lot and the parking lot of the enterprise or public institution, intelligent ground locks arranged in the public and private parking stalls, a server and a mobile client; and the shared charging station, the parking lot management systems, the intelligent ground locks and the mobile client are connected with the server via a wireless communication module. Five modes of parking stalls are used in anintegrated manner, the utilization rate of the parking stalls is improved, the difficulty in parking is overcome, and extra economic benefit is provided; and parking stalls in the charging station are used by chargeable vehicles and vehicles with low electric quantity in priority, the utilization rate can be improved, and normal charging of the chargeable vehicles can be ensured.

The present invention discloses control method and control device of buck single-inductor dual-output switch converter. The invention provided control method can real-time regulate power ratio of a first output branch and a second output branch effectively to make output power distribution of the dual-output branch more reasonable, by regulating and controlling high level clock cycle number and low level clock cycle number in strobe signal sequence. The invention provided buck single-inductor dual-output branch switch converter implements output power dynamic distribution of the first output branch and the second output branch, and under the premise of priority satisfy load power supply, charging the battery is also assured, and total of two parts of power is controlled is a stable range, comparing with the prior art, even if power rating inputted is small can also ensure normal operation of the first output branch load.

The invention discloses an alternating current charging post in-situ test device and an alternating current charging post in-situ test method. The in-situ test device comprises a main control unit, an alternating current standard meter, a program-controlled alternating current electronic source and a test equipment interface, wherein the main control unit is connected with the alternating current standard meter, the program-controlled alternating current electronic source and the test equipment interface in two directions respectively; the test equipment interface comprises a test output interface and a test input interface; the test input interface is connected with the alternating current input end, the charging output end and a test signal end of the alternating current charging post respectively; and the main control unit judges if the alternating current charging post passes the test according to a reported result and the test requirements of the alternating current charging post. The device and the method solve the problem of lacking alternating current charging post test equipment currently and have a very great significance for large scale popularization of alternating current charging posts.

The invention discloses a wireless charging receiving device, an electric car, and a wireless charging system. The device is used for charging a power battery, and comprises a receiving coil module, a charging circuit, a vehicle-mounted control circuit, a vehicle-mounted power supply, and a switching module. The receiving coil module is connected with the power battery through the charging circuit, and the vehicle-mounted control circuit is connected with the charging circuit. The vehicle-mounted power supply is connected with the power supply end of the vehicle-mounted control circuit through the switching module, and a conduction control end of the switching module is connected with the receiving coil module. When the receiving coil module generates an induction voltage for output, the switching module is connected, and the vehicle-mounted control circuit is switched on to control the charging circuit to work, so as to enable the receiving coil module to charge the power battery through the charging circuit. According to the technical scheme of the invention, the device can reduce the standby power consumption of a system.

The invention discloses a charging method and system as well as a charging controller. InAccording to the system, an annular bus is adopted to connect the output ends of multiple power units in seriesand is provided with switch units for isolating adjacent power units, so that the whole architecture is simple. When an amount of charging guns needing to be charged is changed, on the one hand, thepower units, corresponding to the charged charging guns, are maintained in a power-on state to ensure continuous charging of a vehicle; and on the other hand, the states of other power units and the states of various switch units on the annular bus are regulated, a power of multiple power units is shared to all the charging guns needing to be charged after being integrated, so that the powers of multiple power units are fully utilized, the charging efficiency is improved, various power units in the system are effectively and flexibly distributed to various charging guns respectively, and the problems of too many contactors or relays, high cost, complex software control and the like in the prior art are solved.

The invention discloses a self-popping type charging gun, which comprises a charging gun handle, a charging gun socket arranged at the front end of the charging gun handle, and a self-popping electromagnetic structure arranged on the charging gun handle, wherein the self-popping electromagnetic structure is mainly composed of a circuit board, an electromagnet which is connected with the circuit board and fixed on the front end of the charging gun handle, a radiating fan used for radiating the circuit board and the electromagnet, a radiating fence arranged between the radiating fan and the circuit board and the electromagnet, a self-popping frame sleeving the electromagnet, a spring sleeving the self-popping frame, and a power supply lead wire of which an output end is connected with power supply input ends of the circuit board and the radiating fan simultaneously; and the radiating fence is fixed on the circuit board and the electromagnet, and the radiating fan is fixed on the radiating fence. According to the self-popping type charging gun provided by the invention, the charging gun can automatically pops out when an electric vehicle is fully charged, a battery is better protected, and the charging gun is prevented from continuously supplying power to the electric vehicle after the electric vehicle is fully charged.

The invention discloses an array substrate, a manufacturing method of the array substrate, and a display device, relating to the field of displays. The influence of alignment deviation of the array substrate and a color film substrate on transmittance can be reduced to avoid the light leakage caused by the alignment deviation, and the insulativity of a signal line can be also enhanced at the same time to reduce the power consumption of a panel. The array substrate comprises a substrate, a thin film transistor arranged on the substrate, a pixel electrode and a passivation layer, wherein the passivation layer covers the thin film transistor; and the pixel electrode is arranged above the passivation layer. The array substrate further comprises a patterned color resistance layer and a black matrix, wherein the color resistance layer is arranged between the substrate and a grid insulation layer and distributed in a region corresponding to the pixel electrode; and the black matrix is arranged on the passivation layer and positioned in a region outside the region corresponding to the color resistance layer. The method comprises the steps as follows: forming a grid line and a grid; manufacturing the color resistance layer; forming the grid insulation layer, an active layer, source and drain electrode layers and the passivation layer; forming the black matrix; and forming the pixel electrode.

The invention discloses an efficient photovoltaic charge control method for an independent photovoltaic generating system, comprising the three stages of MPPT (maximum power point tracking) charge, constant-voltage charge and floating charge: stage one: using an MPPT method to quickly charge a storage battery, carrying out once power judgment every other continuous five disturbances, and realizing the exact power tracking under the condition of quick changes of environment conditions; stage two: using lifting charge and equalizing charge to supplement the electric energy of the storage battery in the normal and overcharging states respectively; and stage three: maintaining the full electric energy of the storage battery. In the method, the charge states are managed effectively, the chargeefficiency is improved, and the service life of the storage battery is prolonged.

Provided are a charging method for a pure electric taxi, an intelligent management facility and a method. A center charging station 1, special storage battery packs 7, a pure electric special car 31 and the operation management ancillary facility are included. The method is characterized in that the center charging station 1 is a centralized multifunctional charging station arranged in a suburb, and large charging equipment, a complete storage battery maintenance and management mechanism, related equipment, skilled personnel and an intelligent management center are arranged in the center charging station 1. The storage battery packs 7 are a plurality of packs of combined type intelligent work storage batteries, and the pure electric special car 31 is a storage battery electric car capable of achieving fast loading and unloading, and comprises the storage battery packs 7 and a pure electric special car control system 24. The operation management matching facility is an intelligent management system and comprises a special storage battery distribution and collection car platoon 6, storage battery middle replacement stations 2, small storage battery replacement points 3 and a standby pure electric car service car platoon 5.

The invention discloses an anti-falling mobile terminal which comprises a body, a groove, a buffering device and a control device, wherein the groove is formed in the lateral side of the main body; the buffering device is arranged in the groove; the control device is arranged in the body and is used for starting the buffering device when the mobile terminal falling is sensed. Thus, the impact to the mobile terminal falling from high altitude can be relieved and a screen of the mobile terminal can be effectively protected from being damaged.

The invention relates to an electric automobile charging station and method based on a renewable energy source. The electric automobile charging station is provided with a plurality of parking places which are provided with charging piles. The electric automobile charging station is further provided with a master controller, communication equipment and an emergency power supply. A shading shed is arranged above the electric automobile charging station. A solar cell panel is laid at the top end of the shading shed. By adoption of the scheme, the renewable energy source can be the light energy or the wind energy capable of being seen and obtained everywhere or the power energy obtained through combustion of a hydrogen energy source generated through water electrolysis, and therefore energy circulation renewable utilization can be more facilitated, environmental friendliness and energy saving are achieved, and the electric automobile charging station can be switched to mains supply for power supply when the renewable energy source is insufficient; and the nearest mobile charging vehicle is emergently invoked through a cloud server for support when outage occurs to ensure that the electric automobile charging station can constantly conduct charging, the situation that use of a user is affected due to outage is avoided, and the electric automobile charging station is simple in structure and convenient to apply and has a wider application range.

The invention provides a power generation control method and system of a hybrid vehicle. The method includes the following steps that a SOC value of a power battery of the hybrid vehicle is detcted; the SOC value is compared with a preset power threshold, and an idling power generation mode is entered when the SOC value is less than or equal to the preset power threshold; in the idling power generation mode, an engine of the hybrid vehicle generates electricity to charge the power battery, so that high-voltage accessories of the hybrid vehicle is supplied with the electricity by charging the power battery; and the generation power level of the engine is adjusted according to the power of the high-voltage accessories, and each generation power level corresponds to preset generation power. According to the power generation control method and system of the hybrid vehicle, the generation power level of the engine is adjusted according to the power of the high-voltage accessories, so that the power demand of the high-voltage accessories can be met, and the power battery can be charged; and the battery capacity problem under the idling condition is considered, the power consumption of the high-voltage accessories is considered, and the control accuracy under the condition is improved.

The invention discloses a single-clamp sub-module type MMC-HVDC far-end starting method. The number of sub modules in semi-locked states on an active side convertor station bridge arm is gradually increased through sequentially alternating trigging strategies; the continuous charging of the sub modules on the active side convertor station is ensured under the premise of avoiding overhigh sudden jump of a direct current voltage; the overall starting method ensures slow and gradual boosting of the direct current voltage while enables the system to be in steady transition in a semi-locked charging process; and pre-charging for passive side convertor station sub modules can be completed on the basis of reducing the direct current voltage drop as far as possible through sequentially alternating bypass control strategies. By adoption of the starting method, the problems of direct current voltage sudden change and overcurrent in the unlocking moment of a converter valve caused by a conventional charging way are effectively avoided.

The invention discloses a self-adsorption charging gun, which comprises a charging gun handle and a charging gun socket arranged at the front end of the charging gun handle. The charging gun handle is also provided with a self-adsorption electromagnetic system. The self-adsorption electromagnetic system is mainly formed by a circuit board, an electromagnet YA connected with the circuit board, and a cooling fan for cooling the circuit board and the electromagnet YA. The circuit board is provided with a self-adsorption electromagnetic control circuit; and the self-adsorption electromagnetic control circuit is connected with the electromagnet YA. The provided self-adsorption charging gun can enable the process, where the charging gun is fixed to an electromobile or separated from the electromobile, to be simplified, thereby improving use effect of the charging gun, and protecting the charging gun and the electromobile better.

The invention discloses a blasting method for high-temperature sealed fire areas. The blasting method comprises the following steps that a, blasting design is carried out; b, holes are distributed; c, holes are drilled, checked and accepted; d, five-position temperature measurement is carried out, wherein temperature measurement is carried out twice, according to the temperature measurement of the second time, thermal insulation pieces are placed in blast holes firstly, then the gaps between inner cylinders and outer cylinders of the thermal insulation pieces are filled with water, and the temperatures of all points between the inner cylinders and the outer cylinders are measured ten minutes later; e, design approval is carried out; f, temperature is measured before explosive filling; g, blasting supplies are transported; h, blasting warning is carried out; j, explosive filling preparation is carried out, wherein adhesive plasters are used for fixing explosive columns and filling sections on the same bamboo bar; k, explosive filling is carried out; l, evacuation is carried out; m, initiation is achieved; n, inspection after blasting is carried out; o, warning is withdrawn. According to the method, the thermal insulation pieces are used for separating the temperatures of the blast holes and the explosive and the initiation supplies, the method is simple and reliable, good in safety, low in cost, long in rebound time, and capable of reliably and safely guaranteeing explosive filling and further safely and efficiently achieving blasting.

A short circuit fault processing device and method are disclosed. The device includes a short circuit fault processing circuit. The circuit may include an input power supply, a drive power supply, a control module, a detection module and a fault processing module. The detection module sends signals to the control module when access of a terminal device to be charged is detected. The control modulewhen receiving the signals sent by the detection module establishes connection between a power supply input end of the terminal device and the drive power supply, and triggers passage signal detection by the detection module. The control module establishes connection between the power supply input end of the terminal device and the input power supply when the detection module detects that passagesignals are normal, or when the detection module detects that passage signals are abnormal, the control module sends a trigger signal to the fault processing module to trigger processing of a short circuit fault by the fault processing module. By adoption of the method and device, abnormal short circuit faults at a charge interface of the terminal device can be processed in time, thus prolongingthe service lifetime of the charge interface.

The invention relates to an electric automobile charging control method and device. Firstly, the moment t2 when an electric automobile needs to be charged is recorded; then, the electric automobile is charged in a quick charging mode or a slow charging mode, wherein the quick charging selection condition includes that the electric automobile is in an operation period, and the slow charging selection condition includes that the electric automobile is in a non-operation period; whether the electric automobile is in the operation period or not is judged according to the moment t2; and the charging current in the quick charging mode is larger than that in the slow charging mode. The quick charging mode is started so that power can be supplemented to the automobile within a short time, the automobile operation requirement and the actual requirement are met, energy and charging time are saved to the maximum extent, the long-time operation is guaranteed, and benefits are maximized; and the slow charging mode is adopted at night when the electric automobile does not work, and due to the fact that the electric charge at night is low, the charging cost can be effectively reduced through the slow charging mode. Therefore, the charging requirement of the electric automobile in different time periods can be met through the intelligent charging modes.

The invention discloses a vehicle optimal charging method, which comprises the following steps: real-time detecting the current first position information of the vehicle and the current first electricquantity of the vehicle; Acquiring second position information of the charging stake in the vicinity of the vehicle travel direction; Determining an optimal parking charging pile for parking a vehicle based on the first electric quantity, the first position information and the second position information; A travel path from a current position of the vehicle to the optimal parking charging pile isplanned, and the vehicle is controlled to park to the optimal parking charging pile. The invention also discloses a vehicle optimal charging device and a computer-readable storage medium. The invention realizes the optimal charging pile for determining the parking of the vehicle, thereby ensuring that the vehicle can be charged in time.

An embodiment of the invention provides a new-energy multifunctional express transport vehicle. The new-energy multifunctional express transport vehicle comprises a frame and compartment arranged on the frame and is characterized the compartment is detachably connected with the frame, and the compartment comprises a clean energy power generation system, a drone system, an identity identification system, an electric control fixing device, an electric control trampoline power assisting device and a master controller. The new-energy multifunctional express transport vehicle has the advantages that the clean energy power generation system can favorably increase energy utilization rate and is energy-saving, low-carbon and environmentally friendly; by a drone storeroom, the storage protection, efficient charging and cleaning and maintenance requirements of drones can be satisfied; the compartment can be favorably fixedly reliably and stably by designing the electric control fixing device ofthe compartment; the physical output of a user during staircase or step ascending and descending can be saved favorably by the aid of the electric control trampoline power assisting device.

The invention discloses an intelligent integrated power supply and a control system thereof. The power supply comprises a base, and a power supply cabinet is mounted at one side of the top end of thebase. Supporting assemblies are uniformly mounted in the power supply cabinet. The power supply is scientific and reasonable in structure, is safe and convenient to use, and is provided with the supporting assemblies. The effects of a supporting plate, a rotating shaft and a mounting hole facilitates the supporting installation and disassembly of the power supply, and facilitates the parallel hiding of the supporting plate and the inner wall of the power supply cabinet; the effects of the connecting plate, an inserting strip, a convex block and an inserting groove facilitates the connecting and fixing of the two supporting plates, and improves the stability of the power supply; the power supply is provided with a wire bunching assembly, an electric wire is clamped into a wire bunching ringunder the action of a transverse rod, a wire bunching ring and an elastic oblique strip, thereby facilitating the constraining and fixing of a connecting wire at the top end of a battery, achieving the arrangement of the electric wire, and preventing the winding of the electric wire from affecting the normal work of the device; the operation is easy, and use is safer.

The invention relates to a lead-acid storage battery cycle life detection method. The method includes the following steps of: 1) charging: constant-current constant-voltage charging is performed withI2A current and 2.2-to-2.4V voltage per cell, after charging is carried out for first preset time, constant-current constant-voltage charging is performed with I2A current and 2.35-to-2.55V voltage per cell until charging is completed; and 2) discharging: constant-current discharging is performed with third preset current for third preset time, constant-current discharging is performed with fourthpreset current for fourth preset time, the above discharging steps are cycled until an end voltage appears, wherein the third preset current is greater than the fourth preset current. The step 1) andstep 2) are performed once, a large cycle is recorded; the above steps are cycled, and the number of large cycles is accumulated until the capacity of a battery is lower than the termination capacityof the battery, and the number of accumulated large cycles is the cycle life of the battery. According to the method of the invention, the actual use of the battery is simulated, so that the measuredbattery cycle life is more accurate.

The invention relates to a service battery charging management device and method for power supply of a recreational vehicle. The management device comprises an automobile generator, a solar cell panel, an MCU master control unit, an input automatic switching unit, a charging main conversion DC / DC circuit, a service battery, a pulse width modulation mode charging unit and a load. The MCU master control unit controls the input automatic switching unit according to the output voltage of the solar cell panel and the output voltage of the automobile generator to enable the solar cell panel and theautomobile generator to selectively serve as the charging power supply of the service battery and to enable the service battery to maintain an optimal charging state, thereby ensuring normal power supply for living electricity consumption in the recreational vehicle.

The invention relates to a charging connection protection method and device. During charging, the output power of a charging device and the temperature of a charging gun and / or a charging socket are detected within a set time; the temperature change rate corresponding to the set time is obtained according to the temperature; whether the temperature change rate is greater than or equal to the temperature change threshold value corresponding to the output power or not is determined, if the temperature change rate is greater than or equal to the temperature change threshold value corresponding tothe output power, the charging is stopped. According to charging connection protection method and device, different temperature change threshold values are set according to different output powers ofthe charging device, so that the judgment of the temperature change under different output powers is more reasonable and accurate, the situation of erroneous judgement is prevented, so that the situation of abnormal connection between the charging gun and the charging socket can be effectively avoided, normal charging of a vehicle can be ensured, accidents are prevented, charging protection of the charging device and a new energy vehicle is realized, and maximizing the service lives of the charging gun and the charging socket are prolonged in a maximum degree.

The invention provides an automatic monitoring and fault elimination method of a photovoltaic cell system, which can be used for conveniently detecting a working condition of a battery piece and performing simple circuit conversion. A single battery piece which is circuit-shorted or is failure in the array can be automatically detected by a relative program and by arranging an external circuit in a photovoltaic battery piece array, so that the photovoltaic power generation system is prevented from not being used due to damage of a certain single battery piece in the photovoltaic battery piece array, and the photovoltaic power generation system still can be maintained running before concentrated maintenance in next time.

The invention discloses a solar energy compensated electric vehicle battery vehicle-mounted charging heating device comprising a power battery pack and a power battery pack heating system, wherein the power battery pack heating system comprises a heating film, a temperature sensor, a power supply, a distribution box and a battery management system; the power battery pack is wrapped by the heating film; the temperature sensor is arranged in the power battery pack and is connected with the battery management system; the distribution box comprises a battery heating loop; the heating film is connected with the battery heating loop; the battery management system controls switch-off and switch-on of the power supply and battery heating loop; the power supply comprises a vehicle-mounted charging power supply and a solar compensation power supply; the solar compensation power supply is connected with a solar power supply control unit; and the solar power supply control unit is connected with an illumination intensity detection unit. The solar energy compensated electric vehicle battery vehicle-mounted charging heating device effectively guarantees that the power battery pack can be charged at proper temperature and reduces the environmental pollution by utilizing the solar compensation power supply.

A battery heat management system for an electromobile comprises an internal heat exchanger, a water tank, a water pump, a water pump, a compressor, a condenser, a condenser fan, an expansion valve, an external heat exchanger for cooling and a heating device supportive of being on and off. The condenser is divided into a refrigerating agent passing area and a temperature adjusting medium passing area through baffles in collection pipes arranged at two ends; the compressor, the condenser, the expansion valve and the external heat exchanger are connected through a pipeline to form a refrigerating agent circulating loop; the internal heat exchanger, the water pump and the external water exchanger are connected to form a first battery temperature adjusting medium circulating loop; the internal heat exchanger, the water pump and the condenser are connected to form a second battery temperature adjusting medium circulating loop. Multiple circulating loops are arranged in the battery heat management system, so that switching among different circulating loops can be realized according to different environment temperatures; when environment temperature is high, the inside of a battery pack can be cooled effectively; when the environment temperature is low, temperature of the battery pack can be increased effectively, so that most proper temperature can be maintained in the battery pack constantly.