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CN-224197597-U - Electric automobile power supply system containing standby power supply

CN224197597UCN 224197597 UCN224197597 UCN 224197597UCN-224197597-U

Abstract

The utility model relates to an electric automobile power supply system with a standby power supply, which comprises a main power supply mechanism and a standby power supply mechanism, wherein a power battery of the main power supply mechanism is provided with a first power inlet end and a first power outlet end, a standby power battery of the standby power supply mechanism is provided with a second power inlet end and a second power outlet end, the first power inlet end, the second power inlet end and a charging end are connected, a positive electrode of the first power outlet end and a positive electrode of the second power outlet end are connected with a driving motor, the driving motor is connected with a knob switch, the knob switch is arranged in a vehicle cab and is provided with a normal contact point and an emergency contact point, the normal contact point is connected with a negative electrode of the first power outlet end of the power battery, the emergency contact point is connected with a negative electrode of the second power outlet end of the standby power battery, and a selection circuit is formed among the knob switch, the power battery and the driving motor.

Inventors

  • WANG HAN
  • LIN GUOMIN

Assignees

  • 西京学院

Dates

Publication Date
20260505
Application Date
20250425

Claims (6)

  1. 1. An electric automobile power system with a standby power supply is characterized by comprising a main power supply mechanism and a standby power supply mechanism, wherein a power battery (2) of the main power supply mechanism is provided with a first power inlet end (15) and a first power outlet end (3), a standby power battery (10) of the standby power supply mechanism is provided with a second power inlet end (13) and a second power outlet end (8), the first power inlet end (15) and the second power inlet end (13) are connected with a charging end (14) in a parallel connection mode, the positive electrode of the first power outlet end (3) and the positive electrode of the second power outlet end (8) are connected with a driving motor (5), the driving motor (5) is connected with a knob switch (6), and the knob switch (6) is installed in a vehicle cab.
  2. 2. The electric automobile power supply system of claim 1, wherein the knob switch (6) is provided with a normal contact point (4) and an emergency contact point (7), the normal contact point (4) is connected with the negative electrode of the first power output end (3) of the power battery (2), the emergency contact point (7) is connected with the negative electrode of the second power output end (8) of the standby power battery (10), and a selection circuit is formed among the knob switch (6), the power battery (2), the standby power battery (10) and the driving motor (5).
  3. 3. The electric automobile power supply system of claim 1, wherein the main power supply mechanism comprises a first explosion-proof box (1), the first explosion-proof box (1) is arranged on the frame (16), a power battery (2) is arranged in the first explosion-proof box (1), and the power battery (2) is arranged on the first cushioning base and fixed at the bottom of the inner wall of the first explosion-proof box (1).
  4. 4. The electric automobile power supply system according to claim 3, wherein the first cushioning base is composed of a first shock absorption damper (18) and a first insulation plate (17), the bottom of the first shock absorption damper (18) is fixed at the bottom of the inner wall of the first explosion-proof box (1), the top of the first shock absorption damper (18) is connected with the first insulation plate (17), and the power battery (2) is installed above the first insulation plate (17).
  5. 5. The electric automobile power supply system of claim 1, wherein the standby power supply mechanism comprises a second explosion-proof box (9), the second explosion-proof box (9) is arranged on the frame (16), a standby power battery (10) is arranged in the second explosion-proof box (9), and the standby power battery (10) is arranged on the second cushioning base and fixed at the bottom of the inner wall of the second explosion-proof box (9).
  6. 6. The electric automobile power supply system of claim 5, wherein the second cushioning base is composed of a second shock absorption damper (12) and a second insulating plate (11), the bottom of the second shock absorption damper (12) is fixed at the bottom of the inner wall of the second explosion-proof box (9), the top of the second shock absorption damper (12) is connected with the second insulating plate (11), and a standby power battery (10) is arranged above the second insulating plate (11).

Description

Electric automobile power supply system containing standby power supply Technical Field The utility model relates to the technical field of electric automobiles, in particular to an electric automobile power supply system with a standby power supply. Background The electric automobile is widely used in daily life, and a power supply system of the electric automobile generally adopts a single power supply structure, namely a high-voltage power battery is used as a sole power supply, is uniformly used for supplying power to each system of the automobile, is generally not provided with a standby power supply, and often leads to the anchoring of the automobile due to insufficient electric quantity in use, and needs to be connected with a trailer for help, so that a lot of manpower, material resources, financial resources and time are consumed. Disclosure of Invention In order to overcome the defects of the prior art, the utility model aims to provide the electric automobile power supply system with the standby power supply, and the standby power supply can be directly switched to by manual operation when the automobile is anchored, so that the automobile is restarted, a charging pile is smoothly found, the help of a trailer is not needed, and the labor, material resources, financial resources and time are saved. In order to achieve the above purpose, the utility model adopts the following technical scheme: The electric automobile power supply system with the standby power supply comprises a main power supply mechanism and a standby power supply mechanism, wherein a power battery 2 of the main power supply mechanism is provided with a first power inlet end 15 and a first power outlet end 3, a standby power battery 10 of the standby power supply mechanism is provided with a second power inlet end 13 and a second power outlet end 8, the first power inlet end 15 and the second power inlet end 13 are connected with a charging end 14 in a parallel mode, the positive electrode of the first power outlet end 3 and the positive electrode of the second power outlet end 8 are connected with a driving motor 5, the driving motor 5 is connected with a knob switch 6, and the knob switch 6 is arranged in a vehicle cab. The rotary switch 6 is provided with a normal contact point 4 and an emergency contact point 7, the normal contact point 4 is connected with the negative electrode of the first power output end 3 of the power battery 2, the emergency contact point 7 is connected with the negative electrode of the second power output end 8 of the standby power battery 10, and a selection circuit is formed among the rotary switch 6, the power battery 2, the standby power battery 10 and the driving motor 5. The main power supply mechanism comprises a first explosion-proof box 1, wherein the first explosion-proof box 1 is arranged on a frame 16, a power battery 2 is arranged in the first explosion-proof box 1, and the power battery 2 is arranged on a first damping base and fixed at the bottom of the inner wall of the first explosion-proof box 1. The first cushioning base comprises a first damping damper 18 and a first insulating plate 17, the bottom of the first damping damper 18 is fixed at the bottom of the inner wall of the first explosion-proof box 1, the top of the first damping damper 18 is connected with the first insulating plate 17, and the power battery 2 is installed above the first insulating plate 17. The standby power supply mechanism comprises a second explosion-proof box 9, the second explosion-proof box 9 is arranged on a frame 16, a standby power battery 10 is arranged in the second explosion-proof box 9, and the standby power battery 10 is arranged on a second cushioning base and fixed at the bottom of the inner wall of the second explosion-proof box 9. The second cushioning base comprises a second shock absorption damper 12 and a second insulating plate 11, the bottom of the second shock absorption damper 12 is fixed at the bottom of the inner wall of the second explosion-proof box 9, the top of the second shock absorption damper 12 is connected with the second insulating plate 11, and a standby power battery 10 is arranged above the second insulating plate 11. Compared with the prior art, the utility model has the advantages that when the vehicle is anchored in a power failure, the power is directly supplied to the driving motor through the switch knob in the cab from the main power supply mechanism to the standby power supply mechanism, so that the vehicle is disassembled, the power battery 2 and the standby power battery 10 can be charged simultaneously, the power battery 2 and the standby power battery 10 are used separately when the vehicle runs and are not influenced by each other, and the shock of vibration generated by running of the vehicle to the power battery can be reduced by using the damping base, so that the safety and stability are improved. Drawings Fig. 1 is a schematic structural view of an embo