Power generator switching copper bar

Abstract

The utility model provides a power generator switching copper bar, which comprises a three-phase copper bar, the middle sections of the three-phase copper bar are all horizontally stacked, the terminals of the three-phase copper bar are in transition connection with the middle sections of the three-phase copper bar through elastic sections, an injection molding layer is arranged outside the three-phase copper bar, and the side surfaces of the connection sides of the terminals of the three-phase copper bar are exposed; an annular groove is formed in the position, corresponding to the middle section of the three-phase copper bar, of the injection molding layer, and a high-pressure sealing ring is arranged in the annular groove; the elastic section is arranged between the three-phase copper bar terminal and the middle section, so that the copper bar can be flexibly connected between the motor controller and the motor, the copper bar can adapt to the position change between the motor controller and the motor and the deformation of the copper bar, the stability of the connection structure between the copper bar and the motor controller and the motor is ensured, and the service life of the copper bar is prolonged. Requirements of rated current and peak current overload are met, heating is reduced, and the service life is prolonged. The high-pressure sealing ring is arranged on the injection molding layer, so that oil gas from the motor side to the motor controller side is effectively blocked.

Description

Technical Field

[0001] The utility model relates to a copper bar, in particular to a generator adapter copper bar. Background Art

[0002] With the development of oil-cooled electric drives in the hybrid vehicle industry, there is a need for a very good sealing effect between the motor controller and the generator, so as to block the oil and gas from the motor side to the motor controller side and ensure the cleanliness of the motor controller side; at the same time, the copper bar needs to meet the rated current and peak current overload requirements. The blocking of oil and gas between the motor controller and the generator lies in the sealing and stability of the copper bar between the two. Content of the Utility Model

[0003] Aiming at the problems in the prior art, the utility model provides a generator adapter copper bar, aiming to provide a copper bar structure with stable structure and good sealing performance.

[0004] A generator adapter copper bar includes three-phase copper bars. The middle sections of the three-phase copper bars are all horizontally arranged and stacked, and there is an insulating gap between the middle sections of the three-phase copper bars. The terminals of the three-phase copper bars and their middle sections are connected by elastic sections through transition. The elastic sections are formed by bending the three-phase copper bars themselves at least twice; an injection molding layer is arranged outside the three-phase copper bars, and the connection sides of the terminals of the three-phase copper bars are exposed; annular grooves are arranged on the injection molding layer corresponding to the middle sections of the three-phase copper bars, and high-pressure sealing rings are arranged in the annular grooves.

[0005] Furthermore: a through-hole insert is fixedly arranged on the injection molding layer near the terminal of the three-phase copper bar for connecting with the generator.

[0006] Furthermore: the three-phase copper bars are sequentially denoted as the top row, the middle row, and the bottom row from top to bottom. The terminals of the top row, the middle row, and the bottom row for connecting with the motor controller are arranged in sequence from left to right, and these terminals are all horizontally arranged; the terminals of the top row, the middle row, and the bottom row for connecting with the generator are arranged in sequence from top to bottom, and these terminals are all vertically arranged. The through-hole insert is located at the bottom of the terminals arranged up and down.

[0007] Furthermore: the elastic section at the right end of the top row is formed by folding upward, folding rightward, and folding downward in sequence from the middle section to the terminal; the elastic section at the left end of the top row is formed by extending forward and turning, folding upward, and folding backward in sequence from the middle section to the terminal.

[0008] Furthermore: the elastic section at the right end of the middle row is formed by folding downward, folding rightward, and folding downward in sequence from the middle section to the terminal; the elastic section at the left end of the middle row is formed by extending forward and turning, folding upward, and folding backward in sequence from the middle section to the terminal.

[0009] Further: The elastic section at the right end of the bottom row is formed by folding downward, folding rightward, and then folding downward in sequence from the middle section to the terminal; the elastic section at the left end of the bottom row is formed by extending forward and turning, folding upward, and then folding backward in sequence from the middle section to the terminal.

[0010] Further: Wiring holes are provided on the terminals of the three-phase copper busbar, and connecting nuts are fixedly connected in the wiring holes.

[0011] Further: Heat dissipation gaps are left at positions on the injection molding layer between the connecting nut and the middle section or between the connecting nut and the elastic section.

[0012] The beneficial effects of the present utility model: By arranging an elastic section between the terminals of the three-phase copper busbar and the middle section, the copper busbar can be flexibly connected between the motor controller and the motor, enabling the copper busbar to adapt to the position changes between the motor controller and the motor and its own deformation, ensuring the stability of the connection structure between the copper busbar and the motor controller and the motor, meeting the requirements of rated current and peak current overload, reducing heat generation and increasing service life; by arranging a high-pressure sealing ring on the injection molding layer, the oil and gas from the motor side to the motor controller side can be effectively blocked. Description of the Drawings

[0013] Figure 1 is a structural schematic diagram of the present utility model;

[0014] Figure 2 is a structural schematic diagram of the three-phase copper busbar inside the present utility model. Specific Embodiments

[0015] The following will describe the present utility model in detail with reference to the drawings. The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as limiting the present utility model. The orientation terms such as left, middle, right, up, and down in the embodiments of the present utility model are only relative concepts to each other or are referenced based on the normal use state of the product, and should not be considered as restrictive.

[0016] A generator transfer copper busbar, in combination with Figure 1 and Figure 2As shown in the figure, it includes a three-phase copper bar 1. The two end parts of the three-phase copper bar 1 are terminals. The middle sections of the three-phase copper bar 1 are all horizontal and stacked. There is an insulating gap between the middle sections of the three-phase copper bar 1. The terminals of the three-phase copper bar 1 and its middle section are transitionally connected through an elastic section 14. The elastic section 14 is formed by bending the three-phase copper bar 1 itself at least twice; an injection molding layer 2 is arranged outside the three-phase copper bar 1, and the connection side surface of the terminal of the three-phase copper bar 1 is exposed; an annular groove 21 is arranged on the injection molding layer 2 at the position corresponding to the middle section of the three-phase copper bar, and a high-voltage sealing ring 3 is arranged in the annular groove 21; to improve the connection effect between the present invention and the generator, a through-hole insert 4 is fixedly arranged on the injection molding layer 2 at the position close to the terminal of the three-phase copper bar 1 for connecting with the generator; from top to bottom, the three-phase copper bar 1 is sequentially recorded as the top row 11, the middle row 12, and the bottom row 13. The terminals of the top row 11, the middle row 12, and the bottom row 13 for connecting with the motor controller are arranged in sequence from left to right, and these terminals are all horizontally arranged; the terminals of the top row 11, the middle row 12, and the bottom row 13 for connecting with the generator are arranged in sequence from top to bottom, and these terminals are all vertically arranged, and the through-hole insert 4 is located at the bottom of the terminals arranged up and down.

[0017] Among them, the elastic section 14 at the right end of the top row 11 is formed by turning up, turning right, and turning down in sequence from the middle section to the terminal; the elastic section 14 at the left end of the top row 11 is formed by extending forward and turning, turning up, and turning backward in sequence from the middle section to the terminal. The elastic section 14 at the right end of the middle row 12 is formed by turning down, turning right, and turning down in sequence from the middle section to the terminal; the elastic section 14 at the left end of the middle row 12 is formed by extending forward and turning, turning up, and turning backward in sequence from the middle section to the terminal. The elastic section 14 at the right end of the bottom row 13 is formed by turning down, turning right, and turning down in sequence from the middle section to the terminal; the elastic section 14 at the left end of the bottom row 13 is formed by extending forward and turning, turning up, and turning backward in sequence from the middle section to the terminal.

[0018] In addition, to facilitate the connection between the terminal and the corresponding wiring terminal, a wiring hole 16 is opened on the terminal of the three-phase copper bar 1, and a connection nut 17 is fixedly connected in the wiring hole 16. The connection nut 17 and the three-phase copper bar 1 are made of the same material; to facilitate heat dissipation, a heat dissipation gap is left on the injection molding layer 2 at the position between the connection nut 17 and the middle section or at the position between the connection nut 17 and the elastic section 14.

[0019] During use, the top surfaces of the three terminals at the left end of the three-phase copper bar 1 are exposed and used for externally connecting the motor controller, and the right side surfaces of the three terminals at the right end of the three-phase copper bar 1 are exposed and used for externally connecting the generator; and the present invention is fixedly connected to the generator through the through-hole insert 4.

[0020] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A generator transfer copper bar, characterized in that: It comprises a three-phase copper bar, the middle sections of which are arranged horizontally and in layers, an insulating gap is left between the middle sections of the three-phase copper bar, the terminals of the three-phase copper bar and the middle sections thereof are transitionally connected via an elastic section, the elastic section is formed by the three-phase copper bar itself after being bent at least twice; an injection molding layer is arranged outside the three-phase copper bar, and the connection side of the three-phase copper bar terminal is exposed; an annular groove is arranged on the injection molding layer at a position corresponding to the middle section of the three-phase copper bar, and a high-pressure sealing ring is arranged in the annular groove.

2. The generator transfer copper bar according to claim 1, characterized in that: A through-hole insert is fixedly arranged on the injection-molded layer near a terminal on the three-phase copper busbar for connecting with a generator.

3. The generator transfer copper bar according to claim 2, characterized in that: From top to bottom, the three-phase copper busbars are marked as the top row, the middle row and the bottom row. The terminals of the top row, the middle row and the bottom row for connecting to the motor controller are arranged from left to right, and the terminals are all arranged horizontally; the terminals of the top row, the middle row and the bottom row for connecting to the generator are arranged from top to bottom, and the terminals are all arranged vertically, and the through-hole inserts are located at the bottom of the terminals arranged up and down.

4. The generator transfer copper bar according to claim 3, characterized in that: The elastic section at the right end of the top row is formed by folding upward, rightward and downward from the middle section to the terminal in sequence; the elastic section at the left end of the top row is formed by extending forward, turning, folding upward and backward from the middle section to the terminal in sequence.

5. The generator transfer copper bar according to claim 3, characterized in that: The elastic section at the right end of the middle row is formed by folding downward, folding rightward and folding downward from the middle section to the terminal; the elastic section at the left end of the middle row is formed by extending forward, turning, folding upward and folding backward from the middle section to the terminal.

6. The generator transfer copper bar according to claim 3, characterized in that: The elastic section at the right end of the bottom row is formed by folding downward, folding rightward and folding downward from the middle section to the terminal; the elastic section at the left end of the bottom row is formed by extending forward, turning, folding upward and folding backward from the middle section to the terminal.

7. The generator transfer copper bar according to claim 1, characterized in that: A wiring hole is provided on the terminal of the three-phase copper busbar, and a connecting nut is fixedly connected in the wiring hole.

8. The generator transfer copper bar according to claim 7, characterized in that: A heat dissipation gap is reserved on the injection molding layer at a position between the connecting nut and the middle section or at a position between the connecting nut and the elastic section.

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