Abstract:
A power system of a hybrid electric vehicle, a hybrid vehicle comprising the same and a method for heating a battery group (101) of the hybrid electric vehicle are provided. The power system comprises a battery group (101), a battery heater (102) connected with the battery group (101), and a battery management device (103) configured to control the battery heater (102) to heat the battery group (101) with a first power or a second power when the hybrid electric vehicle is in an electric vehicle mode or a hybrid electric vehicle mode if the temperature of the battery group (101) is lower than a first heating threshold and a residual electric quantity of the battery group (101) is larger than a parking electric quantity threshold. The power system further comprises an electric distribution box (104), an engine (702), a motor (105), a motor controller (106) connected with the motor (105) and the electric distribution box (104) respectively, and an isolation inductor (L2).
Abstract:
An electric automobile and an integrated control system thereof. The integrated control system comprises: a power battery (10); a high-voltage distribution cabinet (90), connected to the power battery; a driving and charging/discharging integrated controller (70), connected to the power battery through the high-voltage distribution cabinet, connected to a motor and a charging/discharging socket, and configured to drive the motor when the electric mobile is in a driving mode; an auxiliary high-voltage device, connected to the power battery through the high-voltage distribution cabinet; a first DC/DC module (300), connected to the power battery through the high-voltage distribution cabinet; and a controller, connected to the high-voltage distribution cabinet, and configured to control the high-voltage distribution cabinet, so as to perform the pre-charging before the driving and charging/discharging integrated controller, the auxiliary high-voltage device, and the first DC/DC module are powered on. The integrated control system can implement uniform switching of work statuses of systems according to different work modes and control separated systems of automobile in a coordinate manner, so the compatibility is good.
Abstract:
An electric automobile and a discharging device thereof. The discharging device comprises: an alternating current charging port (110); a charging connection device (120), configured to transfer, other electric automobiles, an alternating current output from the alternating current charging port; an instrument (130), configured to, upon receiving a trigger signal, send a discharging preparation instruction; a controller (140), communicating with the instrument (130), and configured to, after receiving the discharging preparation instruction, detect whether the charging connection device (120) is connected to the alternating current charging port (110), and if yes, send a Pulse Width Modulation (PWM) wave and switch to an external discharging mode; a battery manager (150), communicating with the controller (140), and configured to, after the controller (140) switches to the external discharging mode, control actuation of an external discharging loop in a high-voltage distribution cabinet of the electric automobile; and a power battery (160), configured to provide a direct current through the external discharging loop in the high-voltage distribution cabinet. The discharging device can charges an electric automobile without electricity, so as to solve the problem that the electric automobile cannot run because the battery power is used up on the halfway.
Abstract:
This application discloses a temperature adjustment method and a temperature adjustment system for a vehicle-mounted battery. The temperature adjustment method includes the following steps: obtaining a required power for temperature adjustment on a battery; obtaining an actual power for temperature adjustment on the battery; and adjusting a temperature of the battery according to the required power for temperature adjustment and the actual power for temperature adjustment. This application may precisely control a temperature adjustment time of the battery, and the actual power for temperature adjustment on the battery is adjustable in real time, so that a heating power and a cooling power of the vehicle-mounted battery may be precisely controlled according to an actual status of the vehicle-mounted battery, thereby adjusting the temperature of the vehicle-mounted battery when the temperature is excessively high or excessively low, maintaining the temperature of the vehicle-mounted battery within a preset range, and avoiding a case of affecting performance of the vehicle-mounted battery because of the temperature.
Abstract:
Disclosed are a carrier communication method based on electric automobile charging/discharging, comprising the following steps: S1: after being powered up and started, an electric automobile detecting whether a carrier signal from a peripheral device is received through an interface wire harness and whether the carrier signal is correct; S2: when detecting the carrier signal and detecting that the carrier signal is correct, the electric automobile receiving the carrier signal through the interface wire harness; and S3: the electric automobile performing coupling and filtering on the received carrier signal to convert the carrier signal into a standard carrier signal, and demodulating the standard carrier signal into a digital signal to obtain information of the peripheral device. The method, on the basis of not increasing the number of wire harness, may implement data transmission and sharing between an automobile and ECU modules of a peripheral device, and carrier communication with other signal lines as communication media at the same time, so as to avoid construction and investment of a new communication network, and reduce manufacturing cost and maintenance difficulty. Further disclosed are a carrier communication system and a carrier apparatus based on electric automobile charging/discharging.
Abstract:
A power battery device includes: a battery tray having a positioning member provided on the upper surface thereof; and a plurality of battery modules disposed on the battery tray and arranged in at least two layers in an up-down direction, each battery module comprising: a housing having a first positioning portion disposed on the upper surface of the housing and a second positioning portion disposed on the lower surface of the housing; a battery disposed within the housing, the first positioning portion of the housing in a lower layer is matched with the second positioning portion of the housing in an upper layer, and the battery modules in the lowermost layer of the battery modules are positioned by the positioning member.
Abstract:
A housing assembly for a battery module includes a plurality of brackets disposed side by side in the front-rear direction and connected by a snap, and each two adjacent brackets defining a space for receiving the battery; a plurality of copper bars disposed vertically on the brackets and having a through-hole adapted for extending an electrode of the battery; and a plurality of insulating frames disposed on the copper bars to cover the electrodes of the batteries; wherein the insulating frame is connected with the bracket by a snap and has an extension direction as same as that of the copper bar. A battery module including the housing assembly is also provided.
Abstract:
A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck DC-DC converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost DC-DC converter, configured to convert the second voltage into the first voltage. When the high voltage system has an abnormal power failure, the boost DC-DC converter converts the second voltage outputted from the low voltage storage battery into the first voltage for being supplied to the steering motor controller.
Abstract:
A lamp (1000) for a compartment (10001) of a vehicle (10000) and a vehicle (10000) including the lamp (1000) are provided. The lamp (1000) includes: a base (100); a mounting plate (500) disposed on the base (100) and having a power source receiving part (510); a power source (200) received in the power source receiving part(510); and a lamping source (300) disposed on the mounting plate (500) and having a luminous region of a sector shape. The power source receiving part (510) is located at a side of the lamping source (300).
Abstract:
An electric automobile and a discharging device thereof. The discharging device (100) comprises: an AC charging port (110), the AC charging port being connected to a charging post and the charging post being connected to a power grid, for transmitting an output alternating current to the power grid through the charging post; an instrument (120), for sending a discharging preparation instruction after receiving a trigger signal; a controller (130), for receiving the discharging preparation instruction, detecting whether the AC charging port is connected to the charging post and detecting whether a pulse width modulation (PWM) wave of a preset voltage exists therein, and if yes, switching to an external discharging mode; a battery manager (140), for controlling an external discharging circuit in a high-voltage distribution cabinet attached to an electric automobile after the controller switches to the external discharging mode; and a power battery (150), for providing a direct current through the external discharging circuit in the high-voltage distribution cabinet. The discharging device is advantageous in having simplicity, high efficiency and applicability.