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

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 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 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 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 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 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 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.

The embodiments of the invention disclose a battery charging method which comprises: detecting and obtaining the battery temperature of a charging battery; and when the battery temperature is above a preset temperature threshold, adjusting the currently charging current to the preset charging current for power charging wherein the preset charging current is smaller than the currently charging current. The embodiments of the invention also disclose a battery charging apparatus.