346results about How to "Meet power needs" patented technology

The invention discloses an optimization control method for a hydrogen fuel cell, and relates to the technical field of cell optimization control. The method comprises the following steps: designing a control algorithm: designing an algorithm according to characteristics and environmental parameters in a starting stage to control gas supply and electric pile preheating so as to realize rapid and stable starting, and monitoring, adjusting and maintaining the optimal working state of the electric pile through a self-adaptive algorithm in steady-state operation, power adjustment achieves accurate power response based on a prediction algorithm in combination with related information planning, a flow is formulated in a closing stage to reduce power, and cooling and purging are started to protect the battery. Rapid starting and efficient energy conversion are achieved through the control algorithm, energy loss is reduced, the operation efficiency is improved, and the energy consumption is reduced. A comprehensive monitoring and fault detection system is established, energy flow is optimized through an intelligent energy management mechanism, reasonable energy distribution under different driving working conditions is achieved, and the overall efficiency of the system is improved.

The invention discloses an optical fiber communication power supply control method and an optical fiber communication power supply control system, and relates to the technical field of power control and power supply. The problems of high power supply interruption risk, insufficient energy consumption management, lack of real-time fault early warning and the like are solved; using a distributed sensor to collect node voltage related data and load current related data, calculating a path stability index Lwd and evaluating, dividing a power supply interruption risk level, and starting a standby power supply or isolating a high risk node when a high risk is detected; a load balance coefficient Lhp is calculated through the load distribution regulation and control module, the power transmission proportion is dynamically adjusted, and energy utilization is optimized; and meanwhile, a fault coupling influence factor Efi is calculated and dynamically evaluated through a fault early warning analysis module, and finally, the stability and reliability of the optical fiber communication power supply system are effectively improved by adjusting a power distribution strategy and a standby power supply mode.

The invention relates to a battery pack, a power battery and an engineering machinery vehicle, the battery pack comprises a box body, a first module and a second module, the box body is provided with an accommodating cavity, and the first module and the second module are arranged in the accommodating cavity side by side along a first direction; the first module comprises a plurality of first battery cells, a first mounting rack and a second mounting rack, the first mounting rack and the second mounting rack are arranged side by side along a second direction, and a part of the plurality of first battery cells are arranged on the first mounting rack side by side along a third direction; the other part of the plurality of first battery monomers are arranged on the second mounting frame side by side along a third direction, and any two of the three directions are perpendicular to each other; the second module comprises a plurality of second battery monomers, a third mounting rack and a fourth mounting rack, the third mounting rack and the fourth mounting rack are arranged side by side in the second direction, a part of the second battery monomers are arranged on the third mounting rack side by side in the third direction, and the other part of the second battery monomers are arranged on the fourth mounting rack side by side in the third direction.

The invention relates to the technical field of power generation prediction data processing, and discloses a photovoltaic power station power generation prediction method based on multi-model fusion, which combines a photovoltaic physical model, a power generation statistical model and a power generation prediction model, not only considers a physical rule, but also combines statistical learning and machine learning to improve the stability and accuracy of prediction, and improves the prediction efficiency. And predicting the generating capacity of the photovoltaic power station by using environmental meteorological data, electrical parameters of the photovoltaic power station and historical power generation data. Accurate photovoltaic power generation power prediction is beneficial to better arrangement of power generation plans and resource scheduling of the power grid. The prediction precision and stability are improved through multi-model fusion, so that power grid dispatching is more accurate and efficient, and power grid instability factors caused by photovoltaic power generation fluctuation are reduced. Therefore, photovoltaic power generation can be connected to a power grid more stably, the power demand is met, and wide application and development of clean energy are promoted.

The invention discloses an auxiliary source framework applied to a photovoltaic system. The auxiliary source framework comprises a direct-current auxiliary source and an alternating-current auxiliary source, the direct current auxiliary source takes electricity from a direct current bus of the photovoltaic system, and the alternating current auxiliary source takes electricity from an alternating current power grid; based on the working scene of the photovoltaic system, the direct-current auxiliary source and / or the alternating-current auxiliary source independently supplies power to the functional modules of the photovoltaic system, or the direct-current auxiliary source and the alternating-current auxiliary source jointly supply redundant power to at least part of the functional modules of the photovoltaic system. The beneficial effects of the invention are that different auxiliary sources are arranged, and the power taking positions of the auxiliary sources are different, so that the power supply demands of the photovoltaic system in different working scenes can be met, and the normal work of the photovoltaic system in different working scenes can be ensured; redundant power supply of at least part of functional modules of the photovoltaic system is realized through cooperation of different auxiliary sources, and the working reliability of the photovoltaic system can be improved.

The invention relates to a control method and device of a single-chip switch, equipment and a storage medium, and the method comprises the steps: obtaining the priority and type of a network data packet, distributing the network data packet to a corresponding processing queue according to the priority and / or type of the network data packet, and obtaining a sequential processing strategy of the network data packet; equipment PoE information of the multiple pieces of connection equipment is obtained, power demand analysis is carried out on the multiple pieces of connection equipment according to the equipment PoE information to obtain a power demand analysis result, and a corresponding PoE power supply strategy is generated according to the power demand analysis result and the sequential processing strategy of the network data packet; through a parallel processing method preset by the system, resource allocation is carried out according to a sequence processing strategy of the network data packet and a PoE power supply strategy, a corresponding task execution instruction is generated, and a switch is controlled to carry out task allocation according to the task execution instruction. The method has the effect of improving the task processing efficiency of the single-chip switch.

The invention discloses a main distribution micro-grid real-time coordinated scheduling method and system, and relates to the technical field of main distribution micro-grids, and the method comprises the following steps: carrying out the scheduling decision under a preset energy window size based on dynamic planning; obtaining micro-grid dispatching data and resource configuration data; performing data analysis on the micro-grid dispatching data and the resource configuration data based on a bp neural network algorithm, and constructing an energy window size influence model; carrying out equal difference processing based on a preset energy window size, and respectively obtaining a corresponding energy window size influence model; an energy window size influence fluctuation curve is constructed, data analysis is carried out on the energy window size influence fluctuation curve to obtain the optimized energy window size, and the optimized energy window size is applied to main distribution micro-grid real-time coordinated dispatching, so that the problem that flexible response and calculation efficiency are difficult to balance during main distribution micro-grid real-time coordinated dispatching is solved.

The invention relates to a hybrid power assembly driving method, device and equipment, a medium and a tractor. The method comprises the steps that multi-dimensional historical operation data of a vehicle within a preset time period is obtained, the multi-dimensional historical operation data comprises historical driving resistance, historical vehicle speed, historical engine output power, historical slope angle, historical road surface conditions and historical meteorological data; calculating a predicted resistance load corresponding to the multi-dimensional historical operation data based on an LSTM neural network algorithm; and obtaining the predicted demand total power required for meeting the predicted resistance load, and adjusting the power distribution condition of the hybrid power assembly based on the predicted demand total power. According to the method, the change of the resistance load under the future working condition can be predicted in advance, so that the power distribution condition of the hybrid power assembly can be actively adjusted according to the change, and the optimal energy distribution and control efficiency can be realized under the complex working condition.

The invention discloses a self-adaptive load unloading method for a micro-grid. According to the method, power unbalance overload and low-frequency risks are comprehensively considered, when the operation state of the micro-grid is in a grid-connected operation mode, preliminary evaluation calculation of power shortage is carried out in real time, whether overload operation risks exist or not after a main power grid breaks down and the micro-grid is converted into island operation is evaluated, and preliminary unloading control of loads when the main power grid breaks down is carried out accordingly; and then, according to the frequency change rate of the micro-grid, estimating the time margin when the frequency is reduced to a frequency threshold in real time, judging the risk level of the low-frequency margin, and performing further unloading control on the load according to the risk level of the low-frequency margin. The invention further discloses a micro-grid control system. According to the invention, a frequency support function under the condition of isolated island operation of the micro-grid system can be realized, micro-grid protection shutdown caused by power imbalance and frequency drop is avoided, continuous power supply of important loads of the micro-grid system is ensured, the power supply demand of three-level loads is satisfied as much as possible, and the stability and the power supply utilization rate of the micro-grid are improved.

The invention discloses a steel structure welding machining device which comprises a transfer device, grinding devices, a welding transfer frame, a steel structure bottom plate and a steel structure vertical plate, the grinding devices are symmetrically and movably connected to the transfer device, and the transfer device is arranged at the output end of the welding transfer frame; the bottom end of the steel structure vertical plate is fixedly welded to the middle of the top end of the steel structure bottom plate, the bottom end of the steel structure vertical plate is in transmission connection to the top end of the welding transfer frame and the transfer device, the transfer device comprises a transfer support, and supporting rollers are evenly and rotationally connected to the inner side of the transfer support. Through cooperation of the horizontal positioning wheel and the vertical positioning wheel, a welded steel structural part can be accurately positioned from the outer side of the steel structural vertical plate and the top end of the steel structural bottom plate, and the multi-directional positioning mode ensures that the position of the steel structural part is accurate and stable in the machining process of subsequent grinding and the like.

The invention discloses a shipborne thermochemical energy storage system suitable for offshore wind power, relates to the technical field of offshore power generation and energy storage, and solves the problems of high operation and maintenance cost in the application of a traditional power transmission line transmission mode in offshore wind power generation. An electric heating device is used for heating a calcium-based thermochemical energy storage material, then energy storage operation is completed, energy storage particles are subjected to waste heat recovery and cooling after the energy storage process is completed, then are stored in a storage tank in a centralized mode and are transported to the land in a shipping mode for secondary power generation, and the particles obtained after energy release are transported to an offshore power generation platform for recycling. The calcium-based thermochemical energy storage material modified by the high-entropy fluorite oxide has high energy density and high cycle stability, so that efficient energy consumption is realized, and the wind and electricity abandoning rate is reduced. The thermal chemical energy storage technology is introduced into an existing offshore wind power system, a new application neighborhood is developed for thermal chemical energy storage, and a new thought is provided for solving the problems of energy consumption and transportation of offshore wind power.

The invention relates to an output power determination method and device of a generator set, equipment, a storage medium and a program product. The method comprises the following steps: acquiring power grid load data at a current moment and power grid load data at at least one historical moment; and inputting the power grid load data at the current moment and the power grid load data at the at least one historical moment into a load prediction model to obtain predicted load data at a second moment. And further, determining the output power of the generator set according to the predicted power grid frequency corresponding to the predicted load data and the reference power grid frequency. According to the invention, the accuracy of determining the output power of the generator set can be improved.

The invention discloses an integrated electric control permanent magnet motor integrated electric bamboo raft propeller which comprises a control handle, a rack operating lever, a rack, a propeller, a fan lower support, a fan, a fan upper support, a control box upper cover, a control box base, a motor, a ship networking module, a controller, a control box sealing gasket and an integrated display screen. The front end of the support is connected with an operating rod, the front end of the operating rod is provided with a control handle, the tail portion of the support is connected with a propeller, the support is provided with a motor, the front end of the motor is provided with a fan through a fan lower support and a fan upper support, and the motor is provided with a control box composed of a control box upper cover, a control box base and a control box sealing gasket. A ship networking module and a controller are arranged in the control box, and an integrated display screen is further arranged on the control box. The motor, the controller, the Internet of Things and other components are integrally designed, connection and wiring between the components are reduced, and the reliability and compactness of the system are improved. Meanwhile, installation and maintenance are convenient.

The invention relates to the technical field of photovoltaic inversion, in particular to a high-permeability photovoltaic inversion system indifference control method based on model predictive control. The method comprises the following steps: S1, establishing a comprehensive mathematical model of the photovoltaic inverter system; s2, designing a model prediction control strategy based on a discretization prediction model, and predicting the future state of the system; s3, setting a cost function and constraint conditions, and solving optimal control input by adopting an optimization algorithm; s4, applying control input and adjusting the system; and S5, analyzing the stability of the whole control system. According to the design, the state change of the photovoltaic inverter system in a period of time in the future is predicted in real time, the optimal control input sequence of the minimum cost function is solved through an optimization algorithm, and the photovoltaic inverter system is optimized through detailed modeling of key components such as a photovoltaic array, a direct-current link and an inverter. The system parameters can be automatically adjusted under different environment conditions such as illumination intensity, temperature and wind speed.

The invention provides an energy storage capacity optimal configuration method and device under green power proportion constraint, and belongs to the field of planning and operation of a power system. The method comprises the steps that an energy storage capacity optimal configuration model is constructed, the objective function of the model is to minimize the energy storage capacity of a to-be-planned object, and constraint conditions comprise power generation power and load power constraint, energy balance constraint, energy exchange constraint, energy storage operation constraint and green power proportion constraint; and after bilinear constraints in the energy exchange constraints and the energy storage operation constraints are converted into mixed integer linear constraints, solving the updated energy storage capacity optimal configuration model to obtain an optimal value of the target function, namely an optimal result of energy storage capacity configuration. According to the invention, matching between new energy power generation and a load time sequence can be realized, the green power consumption proportion of a park or a user equipped with distributed new energy power generation is improved, and the environmental protection is improved while the power demand is satisfied.

The utility model provides a hybrid power system, a four-wheel-drive hybrid power system and a vehicle, and relates to the technical field of automobile parts. The hybrid power system comprises a first motor, a battery electrically connected with the first motor, an engine, a first synchronizer, a second synchronizer and a first differential mechanism. The first motor comprises a first motor shaft and a first motor gear arranged on the first motor shaft in series. The engine comprises an engine output shaft; the first motor shaft and the engine output shaft are coaxially arranged, and the first motor shaft is in power coupling or power separation with the engine output shaft through the first synchronizer; the first motor gear is in power coupling or power separation with the first differential mechanism through the second synchronizer. Power coupling or power separation between different structures is achieved through the first synchronizer and the second synchronizer, power requirements under different working conditions are met, meanwhile, the advantages of being simple in structure, small in size and weight, low in transmission loss and the like are achieved, and the efficiency of a hybrid power system can be improved.

The invention is suitable for the technical field of vehicles, and provides a battery charging upper limit value adjusting method and device, a vehicle and a storage medium. The battery charging upper limit value adjusting method comprises the steps that after charging of a vehicle battery is finished, the current charging upper limit value of the battery, the charging amount of the battery, the use power of the battery and a battery flag bit are obtained; if the current charging upper limit value is greater than or equal to a first preset limit value, the charging amount is less than a preset charging amount, the use power is less than a preset power and the battery flag bit is a first flag bit, adding a preset value to the accumulated number of times; and if the accumulated number of times reaches the preset number of times, sending prompt information for reminding the user to reduce the charging upper limit value. After the user receives the prompt information, the charging upper limit value of the battery can be reduced, on the premise that the power requirement of the user is met, it can be avoided that the battery keeps high SOC for a long time, the attenuation speed of the battery is slowed down, the service life of the battery is prolonged, meanwhile, the probability of battery thermal runaway is reduced, and the safety of the vehicle is improved.

The invention provides a control method and device of a fuel cell system and a computer readable storage medium. The fuel cell system comprises a proton exchange membrane fuel cell, and the method comprises the following steps: obtaining target information, the target information comprising at least one of a cooling liquid level of the proton exchange membrane fuel cell and a cooling liquid temperature difference of an inlet and an outlet of the proton exchange membrane fuel cell; according to the target information, whether preset conditions are met or not is determined, and the preset conditions comprise at least one of the following conditions that the liquid level of cooling liquid is lower than a preset liquid level value and the cooling liquid temperature difference is larger than first preset temperature; under the condition that the preset condition is met, the actual output power of the proton exchange membrane fuel cell is at least controlled to be not larger than preset power, and the preset power is smaller than the rated output power of the proton exchange membrane fuel cell. The fuel cell system at least solves the problem that in the prior art, the internal temperature of a fuel cell system is high, so that a proton exchange membrane fuel cell is abnormal easily.

The invention discloses an electric drive axle control method of a new energy environmental sanitation vehicle and a related device, and the economical efficiency of the new energy environmental sanitation vehicle is improved while it is ensured that the new energy environmental sanitation vehicle has sufficient power performance. The electric drive axle comprises a transmission, a differential mechanism, a single-gear speed reducer, a power takeoff, a first motor, a second motor, a first coupling element and a second coupling element. The transmission comprises a first-gear gear set, a second-gear gear set and a gear shifting element. An output shaft of the first motor is connected between input shafts of the first-gear gear set and the second-gear gear set in a switching mode through a gear shifting element. The output shaft of the transmission is connected with the input end of the differential mechanism; an output shaft of the second motor is connected with an input shaft of the single-gear speed reducer; an output shaft of the single-gear speed reducer is connected with the input end of the differential mechanism through a first coupling element and connected with an input shaft of the power takeoff through a second coupling element. And the power takeoff is used for transmitting power from the second motor to the loading equipment.

The invention discloses a phase modulation type fused salt Carnot battery system integrated with a synchronous clutch and an operation method. The system comprises an electric heater, one end of the electric heater is connected with a high-temperature heat storage tank, the other end of the electric heater is connected with a low-temperature heat storage tank, one end of the high-temperature heat storage tank is connected with a superheater, and the other end of the high-temperature heat storage tank is connected with a reheater; one end of the superheater is connected with a steam generator, the other end of the superheater is connected with a high-pressure cylinder, one end of the steam generator is connected with a steam pocket, and the other end is connected with a preheater; one end of the high-pressure cylinder is connected with a medium-low pressure cylinder, the other end of the high-pressure cylinder is connected with a high-pressure heater, the medium-low pressure cylinder is connected with a synchronous motor through an SSS clutch, one end of the high-pressure heater is connected with a deaerator, and the other end of the high-pressure heater is connected with a preheater; and one end of the deaerator is connected with the medium-low pressure cylinder, and the other end of the deaerator is connected with the low-pressure heater, so that the Carnot battery system has a phase modulation function, and has important significance for stable operation of a power grid and improvement of electric energy quality.

The invention provides a method and a device for controlling the output power of a hydrogen fuel cell, relates to the technical field of fuel cells, and mainly aims to improve the output power of the hydrogen fuel cell. According to the main technical scheme, a power adjusting instruction of the hydrogen fuel cell is obtained, wherein the power adjusting instruction is used for adjusting the output power of the cell when the vehicle is in the plateau environment; environment parameters and required power of vehicle driving are collected according to the power adjusting instruction; calculating a target air flow by using the environmental parameters, the required power and a preset air flow model; and adjusting the air compressor according to the target air flow so as to control the output power of the hydrogen fuel cell to meet the required power. The invention is used for controlling the output power of the hydrogen fuel cell to meet the required power.

The invention discloses an electric vehicle electricity storage distribution method and device and an electric vehicle, and the method comprises the steps: in a driving state, obtaining the driving speed of the electric vehicle and the residual electric quantity of a solar cell; determining a driving speed threshold value, a first residual electric quantity threshold value and a second residual electric quantity threshold value, wherein the first residual electric quantity threshold value is greater than the second residual electric quantity threshold value; determining a power supply distribution strategy of the solar battery and the whole vehicle power battery based on the driving speed, the residual electric quantity, the driving speed threshold value, the first residual electric quantity threshold value and the second residual electric quantity threshold value; and based on the power supply distribution strategy, controlling the solar cell and / or the whole vehicle power battery to supply power to a high-voltage electric appliance, a low-voltage electric appliance and a driving motor of the electric vehicle. Through the technical scheme provided by the invention, the reasonability of power storage distribution of the electric vehicle can be improved.

The utility model provides a power supply circuit, a power supply system and a charging pile. The power supply circuit comprises N power modules and N power output ends, wherein N is greater than or equal to 4; the power output ends are in one-to-one correspondence with the power modules, and the power output ends are electrically connected with the corresponding power modules through the electric connecting pieces; wherein one electric connecting piece is connected with at least one other electric connecting piece through the switch element; the number of the switching elements is M, and the # imgabs 0 # imgabs 1 # switching elements are configured to be switched on or off through the switching elements. The control module is used for controlling the power modules to which the two electric connecting pieces connected with the control module belong to output electric power to the same power output end or controlling the power modules to which the two electric connecting pieces connected with the control module belong to respectively output electric power to respective corresponding power output ends; the power output end is configured to output electric power to electric equipment. According to the power supply circuit, the number of the switch elements is limited to be # imgabs2, so that the performance and the cost of the power supply circuit provided by the embodiment of the utility model are more balanced.

The invention relates to the technical field of electric power supply, in particular to a fan battery energy efficiency management method and device, a wind power generation system and a storage medium. And determining a battery discharge strategy according to the power consumption demand and the current battery capacity of the battery body at the current moment, and supplying power to a user load according to the battery discharge strategy. The invention aims to improve the energy efficiency management and control capability of the wind power generation system on the battery body so as to continuously meet the power demand of an electricity load.

The utility model discloses a circuit for solving the impulse current of a switching device, which belongs to the technical field of avoiding the impulse current of the switching device, and comprises a rectifying circuit, the rectifying circuit comprises a bridge rectifier DB1, a pin 1 of the bridge rectifier DB1 is connected with one end of a fuse F1, the other end of the fuse F1 is connected with a live wire L, a pin 3 of the bridge rectifier DB1 is connected with a null line N, and the null line N is connected with the other end of the fuse F1. The second pin of the bridge rectifier DB1 is connected with a first booster circuit, the first booster circuit comprises a chip U1, the fifth pin of the chip U1 is connected with the positive electrode end of a diode ZD4, the negative electrode end of the diode ZD4 is connected with an electrolytic capacitor CE1 and a step-down circuit, and the negative electrode end of the electrolytic capacitor CE1 is connected with the fourth pin of the bridge rectifier DB1. According to the utility model, the negative electrode end of the electrolytic capacitor CE1 in the first booster circuit is connected with the pin 4 of the bridge rectifier DB1 and is not directly connected with the control circuit, so that the control circuit can be prevented from being damaged by impact current generated at the moment of power-on.

The utility model provides a program burning carrier. The program burning carrier comprises a box body, wherein the top of the box body is open; a plurality of spring probes are arranged on the part, outside the box body, of the bottom plate, penetrate through the bottom plate of the box body and extend into the bottom plate; an internal PCBA board slot connector is arranged in the box body, an internal PCBA board is installed in the internal PCBA board slot connector, and the internal PCBA board is connected with an external power supply; the spring probe is electrically connected with the internal PCBA board slot connector; a side plate of the box body is provided with a plurality of adapters, and the adapters are electrically connected with the internal PCBA board slot connector; and a board card to be burnt is arranged at the top of the box body and is electrically connected with the internal PCBA board. According to the PCBA board card program programming carrier, the board card chip program programming carrier is unified, various simulators and wire harnesses can be connected through the adapters, the problem that the simulators and the wire harnesses are switched for multiple times is solved, and the PCBA board card chip program programming efficiency is improved.

The utility model discloses a mountain gravity energy storage system which comprises a water pumping system, a gravity conveying system and an energy storage assembly. The water pumping system comprises a first reservoir, a second reservoir and a first reversible unit. The first reservoir and the second reservoir are communicated through a first auxiliary pool, a connecting pipeline and a second auxiliary pool. The gravity conveying system comprises a conveying rail used for bearing a gravity block, a first storage bin and a second storage bin. The gravity conveying system further comprises a second reversible unit, the second reversible unit drives the gravity block to ascend in the driving mode, and the second reversible unit generates power through the descending potential energy of the gravity block in the power generation mode. By arranging the water pumping system and the gravity conveying system, in the electricity trough period, it is guaranteed that the mountain gravity energy storage system can fully utilize electric energy and conduct gravity energy storage; and in the peak period of power utilization, the first reversible unit and the second reversible unit are driven to generate power, so that the power supply requirement is met, and the stability and the energy storage efficiency of the mountain gravity energy storage system are guaranteed.

The invention discloses a power equipment control method based on the Internet of Things, and relates to the technical field of the Internet of Things, which comprises the following steps of: forming a mesh topology structure by power equipment and various sensors, and connecting the power equipment with different communication protocols with an Internet of Things network through middleware, the power equipment is automatically controlled by using a preset control strategy and algorithm, and encryption is performed by using a symmetric encryption algorithm when data communication is performed, and the method has the advantages that the power equipment is connected with the Internet of Things, so that real-time state monitoring can be performed on the power equipment, including operation parameters of the equipment, operation parameters of the equipment and the like. According to the system, the equipment information can be remotely acquired through the Internet of Things platform, such as voltage, current, power, temperature and working state, no matter where the equipment is located, a manager can remotely acquire the equipment information through the Internet of Things platform and carry out remote control operation, such as remote start-stop and parameter adjustment, so that the workload and time cost of manual field inspection are reduced, and the timeliness and convenience of management are improved.

The utility model discloses a new energy vehicle power supply circuit system which comprises a high-voltage inverter, the input end of the high-voltage inverter is connected with an original vehicle 220V socket, and the output end of the high-voltage inverter is connected with the input end of a CDU power distribution system. The output end of the high-voltage inverter is connected with the input end of the DC-DC inverter and one end of the double-storage-battery isolator, the output end of the DC-DC inverter is connected with an air conditioner equipment circuit, and the other end of the double-storage-battery isolator is connected with the input end of the additionally-installed auxiliary battery pack and the input end of the ACC power line switch. The output end of the additional auxiliary battery pack is grounded, and the output end of the ACC power line switch is connected with power supply equipment in a vehicle. Different from a common mode of taking electricity from a main storage battery 12 / 24V low voltage of an engine compartment, the circuit takes electricity from an original 220V high-voltage circuit of a new energy automobile chassis and converts 12V low voltage to supply electricity to an auxiliary storage battery and equipment in the automobile, the equipment in the automobile can be supplied with electricity more adaptively and stably, and the power supply requirement of the equipment in the automobile can be met as much as possible.

The application discloses a kind of automobile emergency starting power supply based on lithium iron phosphate battery, it is related to automobile emergency technical field, including automobile power module, for with automobile power connection;Emergency power supply module is used for power failure detection and emergency power supply control;First battery module, with the second battery module parallel power supply, and when voltage detection module detects low voltage, with the second battery module series power supply;Voltage detection module is used for low voltage detection to first battery module;Temperature detection module is used for low temperature detection when emergency power supply;Trigger control module is used for controlling first battery module and second battery module series when low temperature low voltage;High voltage control module is used for high voltage detection and control trigger control module stop working.The application based on lithium iron phosphate battery automobile emergency starting power supply can control the connection mode of lithium iron phosphate battery pack when low temperature low voltage, to meet the emergency power supply demand, improve power supply efficiency.