High-voltage connecting assembly and high-voltage control device

Abstract

The utility model provides a high-voltage connecting assembly and a high-voltage control device, and relates to the technical field of high-voltage control, and the connecting assembly comprises a pedestal which is an insulating pedestal and is internally provided with an opening; the flow guide row penetrates through the opening, and one end of the flow guide row is connected to one face of the base in an attached mode through a fastener. One end of the diversion bar is used for being connected with a high-voltage wire harness terminal of a battery in an attached mode, the other end of the diversion bar is used for being connected with a busbar in a high-voltage control box in an attached mode, the connection assembly can form a stable and reliable high-voltage connection structural form and good insulation performance, and high-voltage connection of the inner side and the outer side of the high-voltage control device can be completed; and a high-voltage control function is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-voltage control, and more specifically, relates to a high-voltage connection component and a high-voltage control device. Background Art

[0002] Lithium-ion power batteries have been widely used in the fields of new energy pure electric vehicles and hybrid new energy vehicles. The high-voltage control devices of new energy vehicles play an important role in the multi-field application of new energy vehicles.

[0003] At present, when the bus in the high-voltage control box of the high-voltage control device is connected to the high-voltage wiring harness terminal of the battery, the existing adapter structure used has poor stability and is not easy to achieve reliable connection, which will lead to increased high-voltage control risks. Utility Model Content

[0004] The purpose of the utility model is to provide a high-voltage connection assembly and a high-voltage control device to address the deficiencies in the existing technology, so as to solve the problem that the existing adapter structure proposed in the above background technology has poor stability when connecting the bus in the high-voltage control box and the high-voltage wiring harness terminal of the battery, and it is not easy to achieve reliable connection, which will lead to increased high-voltage control risks.

[0005] In order to achieve the above object, the utility model provides a high-voltage connection assembly, which includes:

[0006] A base, wherein the base is an insulating base and an opening is provided inside the base;

[0007] A guide bar, the guide bar passes through the opening, and one end of the guide bar is closely connected to one side of the base through a fastener;

[0008] One end of the guide bar is used for fitting and connecting with the high-voltage harness terminal of the battery, and the other end of the guide bar is used for fitting and connecting with the bus bar in the high-voltage control box.

[0009] Preferably, the fastener includes a first bolt and a screw hole arranged on one side of the base, a first mounting hole is provided at one end of the guide bar, the first mounting hole is connected to the screw hole, and the first bolt passes through the first mounting hole and is threadedly connected to the screw hole.

[0010] Preferably, the high-voltage connection assembly includes a nut, which is embedded in one side of the base, and second mounting holes are provided at both ends of the guide bar. The second mounting hole on one end of the guide bar is connected to the nut, and a second bolt passes through the second mounting hole on one end of the guide bar and is threadedly connected to the nut. The second bolt is used to fasten the high-voltage wiring harness terminal.

[0011] Preferably, the first mounting hole is a countersunk mounting hole, and the first bolt is a countersunk bolt.

[0012] Preferably, the nut is a hexagonal nut, a hexagonal embedded hole is provided inside the base, and the hexagonal nut is embedded in the hexagonal embedded hole.

[0013] Preferably, the guide bar is L-shaped, and a circular arc surface is provided at a transition position between the top of the opening and one surface of the base, and the circular arc surface is used to fit with the bending portion of the L-shaped guide bar.

[0014] Preferably, both corner ends of the bottom of the base are provided with leg blocks, and the leg blocks are provided with fixing holes for connecting with the high-voltage control box.

[0015] Preferably, a plurality of positioning blocks are provided on both sides of one side of the base, the plurality of positioning blocks on each side are arranged in sequence from top to bottom, and one end of the guide bar is arranged between the positioning blocks on both sides.

[0016] Preferably, the guide bar is a copper bar.

[0017] A high-voltage control device, comprising:

[0018] High voltage control box;

[0019] The high-voltage connection assembly is arranged in the high-voltage control box.

[0020] The utility model provides a high-voltage connection component and a high-voltage control device, which have the following beneficial effects: the base of the connection component is an insulating base, which is used to support a guide bar and provide insulation. The guide bar is used for current transmission. An opening is provided inside the base. When the guide bar passes through the opening, one end of the guide bar is fitted and fixedly connected to one side of the base through a fastener. The high-voltage wiring harness terminal of the battery can be fitted and fixedly connected to one end of the guide bar, and the bus bar in the high-voltage control box can be fitted and fixedly connected to the other end of the guide bar, so that the connection component forms a stable and reliable high-voltage connection structure and good insulation performance, can complete the high-voltage connection of the inside and outside of the high-voltage control device, and realize the high-voltage control function. At the same time, the connection component has a relatively simple structure, can be mass-produced, and can reduce production costs.

[0021] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0023] Figure 1 A schematic diagram of a three-dimensional structure of a high-voltage connection assembly according to an embodiment of the utility model is shown. Figure 1 ;

[0024] Figure 2 A schematic diagram of a three-dimensional structure of a high-voltage connection assembly according to an embodiment of the utility model is shown. Figure 2 ;

[0025] Figure 3 A schematic diagram of a three-dimensional structure of a base of a high-voltage connection assembly according to an embodiment of the utility model is shown;

[0026] Figure 4 A schematic diagram of the three-dimensional structure of a guide bar of a high-voltage connection assembly according to an embodiment of the utility model is shown.

[0027] Description of reference numerals:

[0028] 1. Base; 2. Opening; 3. Guide bar; 4. Screw hole; 5. First mounting hole; 6. Nut; 7. Second mounting hole; 8. Fixing hole; 9. Positioning block. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0030] like Figure 1-Figure 4 As shown, the utility model provides a high-voltage connection assembly, which includes:

[0031] A base 1, which is an insulating base, and an opening 2 is provided inside the base 1;

[0032] A guide bar 3, the guide bar 3 passes through the opening 2, and one end of the guide bar 3 is connected to one side of the base 1 by a fastener;

[0033] One end of the guide bar 3 is used to be fitted and connected to the high-voltage harness terminal of the battery, and the other end of the guide bar 3 is used to be fitted and connected to the bus bar in the high-voltage control box.

[0034] Specifically, in order to solve the problem that the existing adapter structure has poor stability and is not easy to achieve reliable connection when connecting the busbar in the high-voltage control box and the high-voltage wiring harness terminal of the battery, which will lead to an increase in the risk of high-voltage control, the utility model provides a high-voltage connection component, the base 1 of the connection component is an insulating base, which is used to support the guide bar 3 and the insulation function, the insulating base can be injection molded or processed by insulating material, the guide bar 3 is a high-voltage guide bar, which is used for current transmission, the base 1 is provided with an opening 2 inside, when the guide bar 3 passes through the opening, one end of the guide bar 3 can be fitted and fixedly connected with one side of the base 1 through a fastener, the high-voltage wiring harness terminal of the battery is fitted and fixedly connected with one end of the guide bar 3, and the busbar in the high-voltage control box is fitted and fixedly connected with the other end of the guide bar 3, so that the connection component forms a stable and reliable high-voltage connection structure and good insulation performance, can complete the high-voltage connection of the inside and outside of the high-voltage control device, and realize the high-voltage control function, at the same time, the connection component structure is relatively simple, can realize mass production, can reduce production costs, and is relatively convenient for installation and operation.

[0035] Preferably, the fastener includes a first bolt and a screw hole 4 arranged on one side of the base 1, a first mounting hole 5 is provided at one end of the guide bar 3, the first mounting hole 5 is connected to the screw hole 4, the first bolt passes through the first mounting hole 5, and is threadedly connected to the screw hole 4.

[0036] Specifically, the guide bar 3 is threadedly connected with the first bolt and the screw hole 4 to achieve positioning and fixing of the guide bar 3 on the base 1 .

[0037] Preferably, the high-voltage connection assembly includes a nut 6, which is embedded in one side of the base 1, and second mounting holes 7 are provided at both ends of the guide bar 3. The second mounting hole 7 on one end of the guide bar 3 is connected to the nut 6, and the second bolt passes through the second mounting hole 7 on one end of the guide bar 3 and is threadedly connected to the nut 6. The second bolt is used to fasten the high-voltage wiring harness terminal.

[0038] Specifically, the high-voltage wiring harness terminal is threadedly connected with the second bolt and the nut 6 to achieve the fit and fixation between the high-voltage wiring harness terminal and the guide bar 3. The layout of the insulating base, the nut 6 and the guide bar 3 forms a stable and reliable high-voltage connection assembly.

[0039] Preferably, the first mounting hole 5 is a countersunk mounting hole, and the first bolt is a countersunk bolt.

[0040] Preferably, the nut 6 is a hexagonal nut, and a hexagonal embedded hole is provided inside the base 1, and the hexagonal nut is embedded in the hexagonal embedded hole.

[0041] Specifically, when the hexagonal nut is embedded in the hexagonal embedded hole, it has an anti-rotation function. The nut 6 and the base 1 are integrally formed to achieve integration with the base 1, which can provide a reliable fixing structure. The material and breaking torque of the nut 6 can be selected according to the fixing requirements.

[0042] Preferably, the guide bar 3 is L-shaped, and a circular arc surface is provided at the transition position between the top of the opening 2 and one surface of the base 1 , and the circular arc surface is used to fit with the bending portion of the L-shaped guide bar 3 .

[0043] Specifically, the top of the L-shaped guide bar 3 is one end of the guide bar 3 , and the top of the L-shaped guide bar 3 can be fitted and connected to one surface of the base 1 .

[0044] Preferably, both corner ends of the bottom of the base 1 are provided with supporting leg blocks, and the supporting leg blocks are provided with fixing holes 8 for connecting with the high-voltage control box.

[0045] Specifically, the fixing hole 8 cooperates with the connecting piece to enable the base 1 to be connected to the high-voltage control box.

[0046] Preferably, a plurality of positioning blocks 9 are provided on both sides of one side of the base 1 , and the plurality of positioning blocks 9 on each side are arranged in sequence from top to bottom, and one end of the guide bar 3 is arranged between the positioning blocks 9 on both sides.

[0047] Specifically, the positioning blocks 9 on both sides are used to realize the positioning of the guide bar 3 and, at the same time, to strengthen the strength of the base 1 .

[0048] Preferably, the guide bar 3 is a copper bar.

[0049] A high-voltage control device, comprising:

[0050] High voltage control box;

[0051] The high-voltage connection assembly is arranged in the high-voltage control box.

[0052] In summary, when the high-voltage connection assembly provided by the utility model is applied to a high-voltage control device, one end of the guide bar 3 can be fitted and fixedly connected to one side of the base 1 through a fastener, the high-voltage wiring harness terminal of the battery can be fitted and fixedly connected to one end of the guide bar 3, and the bus in the high-voltage control box can be fitted and fixedly connected to the other end of the guide bar 3, so that the connection assembly forms a stable and reliable high-voltage connection structure and good insulation performance, which can complete the high-voltage connection inside and outside the high-voltage control device and realize the high-voltage control function.

[0053] The connection assembly can change the style of the guide bar 3 according to the different positions of the high-pressure connection points inside and outside the high-pressure control device to achieve connection methods at different positions, facilitate the high-pressure connection inside the high-pressure control device, and realize a reliable screw connection method.

[0054] After the base 1 of the connection assembly is installed and fixed, the guide bars 3 located on both sides of the base 1 can be separated and fixedly connected to the high-voltage harness terminals and the busbar, and the operation is simple.

[0055] The entirety of the connection assembly is composed of an insulating base, a screw connection and a guide bar 3, without any special materials, and can be mass-produced with excellent cost.

[0056] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A high voltage connection assembly, characterized in that: The connection assembly includes: A base, wherein the base is an insulating base and an opening is provided inside the base; A guide bar, the guide bar passes through the opening, and one end of the guide bar is closely connected to one side of the base through a fastener; One end of the guide bar is used for fitting and connecting with the high-voltage harness terminal of the battery, and the other end of the guide bar is used for fitting and connecting with the bus bar in the high-voltage control box.

2. A high voltage connection assembly according to claim 1, characterized in that: The fastener includes a first bolt and a screw hole arranged on one side of the base, a first mounting hole is arranged at one end of the guide bar, the first mounting hole is connected to the screw hole, and the first bolt passes through the first mounting hole and is threadedly connected to the screw hole.

3. A high voltage connection assembly according to claim 2, characterized in that: The high-voltage connection assembly includes a nut, which is embedded in one side of the base. Second mounting holes are provided at both ends of the guide bar. The second mounting hole on one end of the guide bar is connected to the nut. A second bolt passes through the second mounting hole on one end of the guide bar and is threadedly connected to the nut. The second bolt is used to fasten the high-voltage wiring harness terminal.

4. A high voltage connection assembly according to claim 2, characterized in that: The first mounting hole is a countersunk mounting hole, and the first bolt is a countersunk bolt.

5. A high voltage connection assembly according to claim 3, characterized in that: The nut is a hexagonal nut, a hexagonal embedded hole is provided inside the base, and the hexagonal nut is embedded in the hexagonal embedded hole.

6. A high voltage connection assembly according to claim 1, characterized in that: The guide bar is L-shaped, and a circular arc surface is provided at a transition position between the top of the opening and one surface of the base, and the circular arc surface is used to fit with the bending portion of the L-shaped guide bar.

7. A high voltage connection assembly according to claim 1, characterized in that: Both corner ends of the bottom of the base are provided with supporting leg blocks, and the supporting leg blocks are provided with fixing holes for connecting with the high-voltage control box.

8. A high voltage connection assembly according to claim 1, characterized in that: A plurality of positioning blocks are arranged on both sides of one side of the base, and the plurality of positioning blocks on each side are arranged in sequence from top to bottom, and one end of the guide bar is arranged between the positioning blocks on both sides.

9. A high voltage connection assembly according to claim 1, characterized in that: The guide bar is a copper bar.

10. A high-voltage control device, characterized in that: include: High voltage control box; A high-voltage connection assembly according to any one of claims 1 to 9, arranged in the high-voltage control box.

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