CN-224197610-U - Charging gun and charging pile

Abstract

The application relates to a charging gun and a charging pile, wherein the charging gun comprises a charging wire harness, a connecting component and at least one arc extinguishing component, the connecting component can enable the charging wire harness to be electrified or powered off, the arc extinguishing component is used for extinguishing an electric arc generated between the connecting component and the charging wire harness, the connecting component can enable the charging wire harness to be electrified or powered off, and when the charging wire harness is electrified or powered off, the arc extinguishing component can extinguish the electric arc generated between the connecting component and the charging wire harness, so that the reliability and the service life of the charging gun are improved.

Inventors

• YAN LEI
• ZHANG JUNWEI
• Kuang Xianyun
• HUANG ZHENYU
• HE JIA

Assignees

• 比亚迪股份有限公司
• 常州比亚迪汽车有限公司

Dates

Publication Date

20260505

Application Date

20250411

Claims (20)

1. 1. A charging gun, comprising: a charging harness; A connection assembly capable of energizing or de-energizing the charging harness, and At least one arc extinguishing assembly for extinguishing an arc generated between the connection assembly and the charging harness; The charging harness comprises a first subsection and a second subsection which are mutually separated; the connection assembly connects the first sub-section and the second sub-section when the charging harness is energized; When the charging harness is powered off, the connection assembly is separated from at least one of the first sub-section and the second sub-section.
2. 2. The charging gun of claim 1, wherein the arc extinguishing assembly is disposed on the same side as the connection assembly.
3. 3. The charging gun of claim 1, wherein the arc extinguishing assembly is spaced from the connecting assembly.
4. 4. The charging gun of claim 3, wherein the arc extinguishing assembly is spaced apart from the connecting assembly by a distance L1, wherein L1 satisfies 1mm < L1 < 2mm.
5. 5. The charging gun according to any one of claims 1 to 4, wherein the arc extinguishing assembly comprises an arc extinguishing gate and a permanent magnet, the arc extinguishing gate being disposed between the permanent magnet and the connection assembly.
6. 6. The charging gun of claim 5, wherein the arc chute is spaced apart from the connection assembly by a distance L2, wherein L2 satisfies 1mm < L2 < 2mm.
7. 7. The charging gun of claim 5, wherein the distance between the permanent magnet and the connecting assembly is L3, wherein L3 is 10mm < L3 < 20mm.
8. 8. The charging gun according to any one of claims 1 to 4, wherein when the charging wire harness is electrified, the intensity of the electrified current in the charging wire harness is I, and the I is 200 A≤I≤800A, and/or When the charging wire harness is electrified, the intensity of the electrified voltage in the charging wire harness is U, and the U is more than or equal to 200V and less than or equal to 1000V.
9. 9. The charging gun of any one of claims 1 to 4, wherein the connection assembly comprises: and the first connecting piece can be electrically connected with or disconnected from the charging wire harness so as to enable the charging wire harness to be electrified or powered off.
10. 10. The charging gun of claim 9, wherein the connection assembly further comprises: and the operating mechanism is used for driving the first connecting piece to be electrically connected with or disconnected from the charging harness.
11. 11. The charging gun of claim 10, wherein the operating mechanism comprises: The first driving piece is in transmission connection with the first connecting piece so as to drive the first connecting piece to be electrically connected with or disconnected from the charging wire harness.
12. 12. The charging gun of claim 11, wherein the first driving member is fixedly connected with the first connecting member and is capable of driving the first connecting member to move relative to the charging harness; the first driving piece is provided with a first position and a second position; When the first driving piece is in the first position, the first connecting piece is in contact with the charging wire harness so that the charging wire harness is electrified; When the first driving piece is in the second position, the first connecting piece is spaced from the charging harness so that the charging harness is powered off.
13. 13. The charging gun of claim 12, wherein the operating mechanism further comprises: The first reset piece is connected with the first driving piece and is used for resetting the first driving piece from the second position to the first position.
14. 14. The charging gun of claim 10, wherein the operating mechanism comprises: and an electromagnetic assembly capable of generating a magnetic field to drive the first connector to be electrically connected or disconnected from the charging harness.
15. 15. The charging gun of claim 14, wherein the electromagnetic assembly comprises: a main body part capable of generating a magnetic field when energized, and The movable part is fixedly connected with the first connecting piece, can be driven by a magnetic field generated by the main body part and moves relative to the main body part; The movable part moves relative to the main body part, so that the first connecting piece is electrically connected with or disconnected from the charging harness.
16. 16. The charging gun of claim 15, wherein the movable portion has a third position and a fourth position on its movable travel; when the main body part is electrified, the movable part is positioned at the third position, and the first connecting piece is electrically connected with the charging harness; when the main body part is powered off, the movable part is positioned at the fourth position, and the first connecting piece is electrically disconnected with the charging harness.
17. 17. The charging gun of claim 15, wherein the operating mechanism further comprises: And a second connector capable of energizing or de-energizing the main body.
18. 18. The charging gun of claim 17, wherein the operating mechanism further comprises: and the second driving piece is in transmission connection with the second connecting piece so as to drive the second connecting piece to be electrically connected with or disconnected from the main body part.
19. 19. The charging gun of claim 18, wherein the second driving member is fixedly connected to the second connecting member and is capable of driving the second connecting member to move relative to the main body; The second driving piece is provided with a fifth position and a sixth position; When the second driving piece is at the fifth position, the second connecting piece is in contact with the main body part so as to electrify the main body part; When the second driving member is in the sixth position, the second connecting member is spaced from the main body portion to power off the main body portion.
20. 20. The charging gun of claim 19, wherein the operating mechanism further comprises: The second reset piece is connected with the second driving piece and is used for resetting the second driving piece from the sixth position to the fifth position.

Description

Charging gun and charging pile Technical Field The application relates to the technical field of vehicles, in particular to a charging gun and a charging pile. Background In the related art, when the charging gun is pulled out in a charging state and inserted into a charging port, an electric arc is generated, and the electric arc is too high in temperature, so that the material is easily ablated, the reliability and the service life of the charging gun are affected, the generated electric arc can also cause a channeling phenomenon, electric equipment is easily damaged, even fire is possibly caused, and potential safety hazards exist. Disclosure of utility model The embodiment of the application provides a charging gun and a charging pile, which can extinguish an electric arc generated when the charging gun is pulled out and inserted into a charging port in a charging state, thereby improving the reliability and the service life of the charging gun and at least partially solving the technical problems. In order to achieve the above object, according to a first aspect of the present application, there is provided a charging gun including: a charging harness; A connection assembly capable of energizing or de-energizing the charging harness, and And the at least one arc extinguishing assembly is used for extinguishing an arc generated between the connecting assembly and the charging wire harness. In some embodiments, the arc extinguishing assembly is disposed on the same side as the connection assembly. In some embodiments, the arc extinguishing assembly is spaced apart from the connection assembly. In some embodiments, the arc extinguishing assembly is spaced apart from the connection assembly by a distance L1, wherein L1 satisfies 1 mm≤L1≤2mm. In some embodiments, the arc extinguishing assembly includes an arc extinguishing gate and a permanent magnet, the arc extinguishing gate being disposed between the permanent magnet and the connection assembly. In some embodiments, the separation distance between the arc chute and the connection assembly is L2, wherein L2 satisfies 1mm < L2 < 2mm. In some embodiments, the distance between the permanent magnet and the connection assembly is L3, wherein L3 satisfies that L3 is 10 mm≤L3≤20mm. In some embodiments, when the charging wire harness is electrified, the intensity of the electrified current in the charging wire harness is I, wherein I is 200A-800A, and/or When the charging wire harness is electrified, the intensity of the electrified voltage in the charging wire harness is U, and U is more than or equal to 200V and less than or equal to 1000V. In some embodiments, the connection assembly comprises: the first connecting piece can be electrically connected with or disconnected from the charging harness so as to enable the charging harness to be electrified or powered off. In some embodiments, the connection assembly further comprises: and the operating mechanism is used for driving the first connecting piece to be electrically connected with or disconnected from the charging harness. In some embodiments, the operating mechanism comprises: the first driving piece is in transmission connection with the first connecting piece so as to drive the first connecting piece to be electrically connected with or disconnected from the charging wire harness. In some embodiments, the first driving member is fixedly connected with the first connecting member and can drive the first connecting member to move relative to the charging harness; the first driving piece is provided with a first position and a second position; When the first driving piece is positioned at the first position, the first connecting piece is in contact with the charging wire harness so as to enable the charging wire harness to be electrified; When the first driving piece is positioned at the second position, the first connecting piece is spaced from the charging wire harness so that the charging wire harness is powered off. In some embodiments, the operating mechanism further comprises: The first reset piece is connected with the first driving piece and is used for resetting the first driving piece from the second position to the first position. In some embodiments, the operating mechanism comprises: And an electromagnetic assembly capable of generating a magnetic field to drive the first connector to electrically connect or disconnect from the charging harness. In some embodiments, the electromagnetic assembly comprises: a main body part capable of generating a magnetic field when energized, and The movable part is fixedly connected with the first connecting piece, can be driven by a magnetic field generated by the main body part and moves relative to the main body part; the movable part moves relative to the main body part, so that the first connecting piece is electrically connected with or disconnected from the charging harness. In some embodiments, the movable portion has a third position and a fourth p