Battery changing and charging system for new energy automobile

Abstract

The utility model belongs to the technical field of automobile battery replacement and charging, and particularly relates to a new energy automobile battery replacement and charging system which comprises a battery pack, a battery replacement control module, a charging module, an electronic control unit and a whole automobile controller. The output end of the charging module is connected with the input end of the battery replacement control module, the battery replacement controller is connected with the electronic control unit, and the electronic control unit is connected with the whole vehicle controller. The battery pack comprises a battery pack, a contactor, a temperature sensor and a heating film. The output end of the temperature sensor is connected with the input end of the battery replacement control module, and the input end of the heating film is connected with the output end of the heat exchange control module. And the battery replacement control module is connected with the battery pack through the fuse. The battery pack is connected with the direct-current converter and the front-drive three-in-one device through the battery changing control module. According to the utility model, a charging system and a battery replacing system are combined, so that a user can select a charging mode according to needs.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile battery replacement and charging, specifically, the utility model relates to a new energy automobile battery replacement and charging system. BACKGROUND

[0002] The new energy automobile charging on the market at present mainly passes through the charging pile, and there is also a more convenient battery replacement method, which provides energy for the new energy automobile by replacing the battery pack, and the two charging methods have advantages and disadvantages.

[0003] The method, device and system for charging an electric automobile provided in Chinese patent CN106585397A, when the plug of the charging pile is connected to the socket of the electric automobile, the electric automobile detects the charging mode, when a high level is detected on the A+ line, the electric automobile determines to adopt the direct current charging mode, the electric automobile receives the charging of the charging pile through the A+ line, or when a high level is detected on the CP line, the electric automobile determines to adopt the alternating current charging mode, the electric automobile receives the charging of the charging pile through the CP line. When the electric automobile needs emergency charging, the charging pile can adopt the direct current charging mode to charge the electric automobile, and when the electric automobile does not need emergency charging, the charging pile can adopt the alternating current charging mode to charge the electric automobile.

[0004] The existing charging technology of new energy automobiles is mainly charging pile charging, without considering the energy continuation advantage of battery replacement. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new energy automobile battery replacement and charging system to achieve the technical purpose of integrating automobile battery replacement and charging.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The utility model relates to a new energy automobile battery replacement and charging system, which comprises a battery pack, a battery replacement control module, a charging module, an electronic control unit and a vehicle controller, the battery pack is connected with the battery replacement control module, the output end of the charging module is connected with the input end of the battery replacement control module, the battery replacement controller is connected with the electronic control unit, and the electronic control unit is connected with the vehicle controller.

[0008] The battery pack comprises a battery group, a contactor, a temperature sensor and a heating film.

[0009] The battery group is connected with the battery replacement control module through the contactor, the output end of the temperature sensor is connected with the input end of the battery replacement control module, and the input end of the heating film is connected with the output end of the heat exchange control module.

[0010] The battery replacement control module is connected with the battery pack through a fuse.

[0011] The battery pack is connected with a direct current converter and a front-drive three-in-one through a battery replacement control module.

[0012] The battery replacement control module is connected with a telematics processor through a bus.

[0013] The technical effects of the utility model are as follows:

[0014] (1) The utility model adopts the configuration of at least two battery packs, when a single battery pack fails, the other battery pack can still supply power independently, effectively avoiding the risk of anchoring caused by single battery failure.

[0015] (2) The battery replacement control module of the utility model monitors the voltage, current and temperature parameters of the battery pack in real time, when overvoltage, overcurrent or high temperature is detected, the contactor is triggered to be disconnected or the fuse is triggered to be blown, reducing the risk of short circuit.

[0016] (3) The utility model can actively manage heat, the integrated heating film and the temperature sensor form a closed loop control, when the battery temperature is automatically started to heat, the battery pack temperature is raised to the best working interval, and the charging efficiency in a low temperature environment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present specification includes the following drawings, and the shown contents are as follows:

[0018] Figure 1 The utility model relates to a logic structure block diagram of a new energy automobile battery replacement and charging system;

[0019] Figure 1 The middle mark is: 1, battery pack; 2, battery replacement control module; 3, charging module; 4, electronic control unit; 5, whole vehicle controller. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model are further explained in detail by comparing the drawings and describing the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and deep understanding of the utility model concept, technical scheme of the utility model, and help its implementation.

[0021] The utility model provides a new energy automobile trades electricity and charging system, including battery package 1, trades electricity control module 2, charging module 3, electronic control unit 4 and whole vehicle controller 5, battery package 1 connects trades electricity control module 2, and the output of charging module 3 connects the input of trades electricity control module 2, and trades electricity controller connects electronic control unit 4, and electronic control unit 4 connects whole vehicle controller 5. Battery package 1 includes battery group, contactor, temperature sensor and heating film. The battery group is connected with trades electricity control module 2 through the contactor, the output of temperature sensor is connected with the input of trades electricity control module 2, and the input of heating film is connected with the output of trades electricity control module. Trades electricity control module 2 is connected with battery package 1 through the fuse. Battery package 1 is connected with direct current converter and front drive three-in-one respectively through trades electricity control module 2. Trades electricity control module 2 is connected with remote information processor through bus.

[0022] The utility model discloses a new energy automobile trades electricity and power supply system.

[0023] The utility model discloses a new energy automobile trades electricity and charging system includes battery package 1, trades electricity control module 2, charging module 3, electronic control unit 4 and whole vehicle controller 5, wherein battery package 1 is without electricity and can trade electricity through the trades electricity station, also can charge through the charging stake, the charging package of utility model discloses at least two, prevents the failure of single charging package to influence the power supply of vehicle, has reduced the failure rate of vehicle. The battery package includes battery group, contactor, temperature sensor and heating film, and the contactor can disconnect when the battery group fails and play the protection effect, and the temperature sensor is used for detecting the temperature of battery package. Heating film is used for stabilizing the temperature in battery package, makes battery package work at the suitable temperature, prolongs the service life of battery package.

[0024] Trades electricity control module 2 adopts trades electricity controller, is used for detecting the voltage and current of battery package 1, and controls contactor to disconnect when the voltage and current of battery package 1 are abnormal, or protects the safety of automobile through the fuse when the current is too large. Meanwhile, when the vehicle charges through the charging stake, the charging stake is identified, and the charging information is sent to whole vehicle controller 5 through electronic controller, and the charging of the vehicle is controlled by whole vehicle controller 5. In order to guarantee the safety of charging, the communication between trades electricity control module 2 and whole vehicle controller 5 needs to be kept normal during the whole charging process.

[0025] The voltage reduction module adopts direct current converter, is used for converting direct current high voltage into the direct current low voltage required by whole vehicle low voltage system, is used for low voltage electric appliance power supply, and charges the 12V battery of automobile.

[0026] Charging module 3 adopts direct current charging interface, and when the direct current charging interface connects the charging gun on the charging stake, the charging of the vehicle is controlled by whole vehicle controller 5.

[0027] Trades electricity control module 2 communicates with whole vehicle controller 5 through electronic control unit 4, and controls the charging of the vehicle.

[0028] The connection relationship of the utility model is described in detail below.

[0029] The battery pack 1 is connected to the output interface of the battery pack 1 through a contactor, the output end of the temperature sensor in the battery pack 1 is connected to the input end of the battery replacement controller, the output end of the battery replacement controller is connected to the heating film in the battery pack 1, the battery pack 1 is connected to the battery replacement controller through a contactor, the battery replacement controller is connected to the battery pack 1 through a fuse, the input end of the battery replacement controller is connected to the DC charging interface, the battery replacement control module 2 is connected to the vehicle controller 5 through the electronic control unit 4, and the battery replacement control module 2 is connected to the vehicle controller 5 through a thermistor. The output end of the battery replacement controller is connected to the input end of the DC converter. The battery replacement controller is connected to the remote information processor (T-BOX) through a bus.

[0030] The working process of the utility model is described in detail below.

[0031] The battery pack 1 in the utility model can be recharged in two ways, namely replacing the battery pack 1 and charging through a charging pile. When the battery pack 1 is replaced for recharging, the automobile needs to be driven into the battery replacement station, and the battery pack 1 is automatically replaced by the battery replacement station. During this period, the system establishes a signal connection with the battery replacement station through the T-BOX, and at the same time after the battery is replaced, the voltage and current of the battery pack 1 are detected by the battery replacement controller. When danger is detected, the contactor or the fuse is disconnected to ensure the safety of the automobile. When the system is charged through the charging pile, the charging gun on the charging pile is connected to the DC charging interface, and the charging information of the charging pile is transmitted to the vehicle controller 5 through the electronic control unit 4 by the battery replacement controller. Whether the charging is performed is determined by the vehicle controller 5. When electricity is used, the battery pack 1 converts the DC high voltage into the DC low voltage required by the low voltage system of the vehicle through the voltage reduction module, and is used to power the low voltage electrical appliances and charge the 12V storage battery of the automobile. At the same time, the charging pack is connected to the front drive three-in-one through the battery replacement controller, the front drive three-in-one includes an MCU, a motor and a speed reducer, and is used for power driving of the automobile.

[0032] The utility model adopts the configuration of at least two battery packs 1, when a single battery pack 1 fails, the other battery pack 1 can still independently supply power, effectively avoiding the risk of anchoring caused by a single battery failure.

[0033] The battery replacement control module 2 of the utility model monitors the voltage, current and temperature parameters of the battery pack 1 in real time, when overvoltage, overcurrent or high temperature is detected, the contactor is triggered to disconnect or the fuse is triggered to melt, and the short circuit risk is reduced.

[0034] The utility model discloses can carry on the initiative heat management, integrated heating film and temperature sensor form closed loop control, when battery temperature, automatic start heating, will battery pack temperature promote to optimal working interval, the charging efficiency under low temperature environment promotes.

[0035] The utility model has been described above in conjunction with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made using the method concept and technical solution of the utility model; or without improvement, the above-mentioned concept and technical solution of the utility model are directly applied to other occasions, which are within the protection scope of the utility model.

Claims

1. A new energy vehicle battery swapping and charging system, characterized in that: The battery pack, the battery replacement control module, the charging module, the electronic control unit and the vehicle controller are included, the battery pack is connected with the battery replacement control module, the output end of the charging module is connected with the input end of the battery replacement control module, the battery replacement control module is connected with the electronic control unit, and the electronic control unit is connected with the vehicle controller. 2.The new energy vehicle battery swapping and charging system according to claim 1, characterized in that: The battery pack includes a battery group, a contactor, a temperature sensor and a heating film. 3.The new energy vehicle battery swapping and charging system of claim 2, characterized in that: The battery group is connected with the battery replacement control module through the contactor, the output end of the temperature sensor is connected with the input end of the battery replacement control module, and the input end of the heating film is connected with the output end of the battery replacement control module.

4. The new energy vehicle battery replacing and charging system according to claim 1, characterized in that: The battery replacement control module is connected with the battery pack through a fuse.

5. The new energy vehicle battery replacing and charging system according to claim 1, characterized in that: The battery pack is connected with the direct current converter and the front drive three-in-one respectively through the battery replacement control module.

6. The new energy vehicle battery replacing and charging system according to claim 1, characterized in that: The battery replacement control module is connected with the telematics processor through a bus.

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