断路装置、车载电池包及车辆

Abstract

本公开是关于一种断路装置、车载电池包及车辆，断路装置包括壳体及设置于壳体内的主正继电器和主负继电器；主正继电器和主负继电器分别为卧式继电器结构；主正继电器具有与连接排连接的第一连接端部，第一连接端部位于主正继电器在第一方向上的一侧，第一方向平行于壳体的底板，主负继电器具有与连接排连接的第二连接端部，第二连接端部位于主负继电器在第一方向上相反的另一侧，以使主正继电器的触点吸合方向与主负继电器的触点吸合方向分别朝向第一方向上的相反两侧。通过上述结构设计，本公开能够保证主正继电器和主负继电器不会同时发生触点瞬断，从而避免产生高压安全问题。

Claims

1. A circuit breaker device for installation in a vehicle battery pack, characterized in that: The circuit breaker includes a housing (100) and a main positive relay (210) and a main negative relay (220) disposed within the housing (100); the main positive relay (210) and the main negative relay (220) are both horizontal relay structures; The main positive relay (210) has a first connection end (211) connected to the connection bar. The first connection end (211) is located on one side of the main positive relay (210) in a first direction, which is parallel to the bottom plate (110) of the housing (100). The main negative relay (220) has a second connection end (221) connected to the connection bar. The second connection end (221) is located on the opposite side of the main negative relay (220) in the first direction, so that the contact closing direction of the main positive relay (210) and the contact closing direction of the main negative relay (220) are respectively oriented to opposite sides of the first direction.

2. The disconnecting device of claim 1, wherein The first direction is either the forward / backward direction or the left / right direction of the vehicle.

3. The disconnecting device of claim 1, wherein The first direction is the front-to-back direction of the vehicle; wherein, the first connecting end (211) is located on the front side of the main positive relay (210), and the second connecting end (221) is located on the rear side of the main negative relay (220).

4. The disconnect device of claim 1, wherein, The main positive relay (210) and the main negative relay (220) are arranged along a second direction, which is parallel to the base plate (110) and perpendicular to the first direction; wherein the main positive relay (210) and the main negative relay (220) are staggered along the first direction, such that the first connecting end (211) extends beyond the main negative relay (220) on the side away from the second connecting end (221), and the second connecting end (221) extends beyond the main positive relay (210) on the side away from the first connecting end (211).

5. The disconnect device of claim 1, wherein, The circuit breaker also includes a data acquisition structure (400); the data acquisition structure (400) includes a temperature sensor (410) and a data acquisition harness (440) that connects to the temperature sensor (410) and extends out of the housing (100).

6. The circuit breaker according to claim 5, characterized in that: The circuit breaker also includes a fuse (230) disposed within the housing (100), the fuse (230) being connected to the main positive relay (210) via a first connecting bar (310), the first connecting bar (310) being connected to the temperature sensor (410); and / or The circuit breaker also includes a fast-charging positive relay (240) disposed within the housing (100), the fast-charging positive relay (240) being connected to the main positive relay (210) via a third connecting bar (330), the third connecting bar (330) being connected to the temperature sensor (410); and / or The circuit breaker also includes a fast-charging negative relay (250) disposed in the housing (100), the fast-charging negative relay (250) being connected to the main negative relay (210) via a fourth connecting bar (340), and the temperature sensor (410) being connected to the fourth connecting bar (340).

7. The disconnect device of claim 1, wherein, The circuit breaker also includes a data acquisition structure (400); the data acquisition structure (400) includes a voltage sampling terminal (420) and a data acquisition harness (440) that connects to the voltage sampling terminal (420) and extends out of the housing (100).

8. The circuit breaker according to claim 7, characterized in that: The circuit breaker also includes a fuse (230) disposed within the housing (100), the fuse (230) being connected to the main positive relay (210) via a first connecting bar (310), the first connecting bar (310) being connected to the voltage sampling terminal (420); and / or The circuit breaker also includes a fast-charging positive relay (240) disposed within the housing (100), the fast-charging positive relay (240) being connected to the fast-charging interface (260) via a fifth connection bar (350), the fifth connection bar (350) being connected to the voltage sampling terminal (420); and / or The circuit breaker also includes a fast charging negative relay (250) disposed in the housing (100), the fast charging negative relay (250) being connected to the fast charging interface (260) via a sixth connecting bar (360), and the sixth connecting bar (360) being connected to the voltage sampling terminal (420).

9. The disconnect device of claim 1, wherein, The circuit breaker also includes a data acquisition structure (400); the data acquisition structure (400) includes a shunt (430) and a data acquisition harness (440) that connects to the shunt (430) and extends out of the housing (100), the shunt (430) being connected to the main negative relay (220) via a second connecting bar (320).

10. The circuit breaker according to claim 1, characterized in that, The circuit breaker also includes an insulating film (120) disposed on the bottom surface of the base plate (110) and a thermal pad (130) disposed on the side of the insulating film (120) facing away from the housing (100).

11. An on-board battery pack, characterized by The vehicle battery pack includes the circuit breaker device as described in any one of claims 1 to 10.

12. A vehicle characterized by comprising: The vehicle includes the on-board battery pack as described in claim 11.

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