Current conversion terminal assembly

Abstract

The utility model relates to the field of current conversion terminals, in particular to a current conversion terminal assembly, which comprises a U-phase copper bar terminal, a V-phase copper bar terminal and a W-phase copper bar terminal, and is characterized in that the U-phase copper bar terminal comprises a U-phase first contact end and a U-phase second contact end, the V-phase copper bar terminal comprises a V-phase first contact end and a V-phase second contact end, and the W-phase copper bar terminal comprises a W-phase first contact end and a V-phase second contact end. The W-phase copper bar terminal comprises a W-phase first contact end and a W-phase second contact end; the U-phase first contact end is connected with the motor, and the U-phase second contact end is connected with the motor controller. According to the utility model, the current conversion terminal assembly is arranged outside the electric control box body, and the receding groove is arranged, so that the fixing structure of the motor power three-phase port can pass through the receding groove to be connected with the through hole of each phase, and the side wall of the receding groove is wrapped in the fixing support so as to be prevented from being in contact with the fixing structure of the motor power three-phase port. And the practicability of the current switching end assembly is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of current transfer terminals, in particular to a current transfer terminal assembly. Background Art

[0002] When controlling the direction of a motor, it is necessary to clarify several basic concepts, including forward and reverse rotation, polarity, and DC current. Forward rotation means that the motor rotates in a specified direction, and reverse rotation means that the motor rotates in the opposite direction. Polarity refers to the positive and negative polarity of the power supply. In a DC circuit, current flows from the positive electrode to the negative electrode. The basic principle of controlling the direction of a motor is to change the polarity of the power supply. In a DC motor, the simplest way to control the direction of the motor is to change the polarity of the power supply.

[0003] By exchanging the two polarities of the power supply, the motor can be turned from forward to reverse and from reverse to forward. This method is very simple and crude, suitable for controlling small DC motors with low power. The polarity can be changed by using a switch or plugging and unplugging the power cord.

[0004] Welding is another way to control the motor's steering. In scenarios such as small model vehicles, due to limited space, we often need to use two motors to drive the wheels. When controlling the motor's steering, you can achieve this by replacing the interface. By welding the two wires on the two motor interfaces, you can achieve motor steering.

[0005] During the installation process of the existing current transfer terminal assembly, due to the different orientations of the three-phase current interface design, the connection methods are different, and when the connection methods are different, the connection effect of the connection terminal assembly is poor and it cannot be accurately installed on the side of the automobile electronic control box. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a current transfer terminal assembly.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A current transfer terminal assembly, comprising a U-phase copper bar terminal, a V-phase copper bar terminal, and a W-phase copper bar terminal, wherein the U-phase copper bar terminal comprises a U-phase first contact end and a U-phase second contact end, the V-phase copper bar terminal comprises a V-phase first contact end and a V-phase second contact end, and the W-phase copper bar terminal comprises a W-phase first contact end and a W-phase second contact end;

[0009] The first contact end of the U phase is connected to the motor, and the second contact end of the U phase is connected to the motor controller; the first contact end of the V phase is connected to the motor, and the second contact end of the V phase is connected to the motor controller; the first contact end of the W phase is connected to the motor, and the second contact end of the W phase is connected to the motor controller.

[0010] In addition, a preferred structure is that a fixed bracket is wrapped around the outside of the U-phase copper bar terminal, the V-phase copper bar terminal, and the W-phase copper bar terminal, and the U-phase first contact end, the U-phase second contact end, the V-phase first contact end, the V-phase second contact end, the W-phase first contact end, and the W-phase second contact end are all exposed outside the fixed bracket.

[0011] In addition, a preferred structure is that the V-phase copper busbar terminal is vertically provided with a first fixing portion, which extends rightward and upward from the first fixing portion to form a V-phase first connecting portion, and the V-phase first contact end is provided at the upper end of the V-phase first connecting portion.

[0012] In addition, a preferred structure is that the U-phase copper busbar terminal is vertically provided with a second fixing portion arranged in parallel in the front-to-back direction on the front side of the first fixing portion, extending backward and upward from the first fixing portion to form a U-phase first connecting portion located on the left side of the V-phase first connecting portion, and the U-phase first contact end is arranged at the upper end of the U-phase first connecting portion.

[0013] In addition, a preferred structure is that the W-phase copper busbar terminal has a vertically arranged third fixing portion which is arranged in parallel on the rear side of the first fixing portion in the front-to-back direction, and extends rightward and upward from the third fixing portion to form a W-phase first connecting portion, the W-phase first connecting portion is recessed rearward relative to the third fixing portion and is located on the right side of the V-phase first connecting portion, and the W-phase first contact end is arranged at the upper end of the W-phase first connecting portion.

[0014] In addition, a preferred structure is that a first isolation column is provided between the first fixing portion and the second fixing portion, and a second isolation column is provided between the first fixing portion and the third fixing portion.

[0015] In addition, a preferred structure is that the first fixing part is provided with a first isolation part, and the front and rear sides of the first isolation part respectively protrude to form a first isolation column that abuts forward against the second fixing part and abuts backward against the third fixing part; the third fixing part is provided with a third isolation part, and the third isolation part protrudes forward to form a first isolation column that abuts forward against the first fixing part; the second fixing part is provided with a second isolation part, and the second isolation part protrudes backward to form a second isolation column that abuts backward against the first fixing part.

[0016] In addition, a preferred structure is that a V-phase second connection portion is formed by extending backward and leftward from the first fixed portion, and the V-phase second contact end is arranged at the end of the V-phase second connection portion; a U-phase second connection portion is formed by extending backward and leftward from the second fixed portion and parallel to below the V-phase second connection portion, and the U-phase second contact end is arranged at the end of the V-phase second connection portion; a W-phase second connection portion is formed by extending backward and leftward from the third fixed portion and parallel to above the V-phase second connection portion, and the W-phase second contact end is arranged at the end of the second connection portion; an isolation column is provided between the V-phase second connection portion and the U-phase second connection portion, and a second isolation column is provided between the W-phase second connection portion and the U-phase second connection portion.

[0017] In addition, a preferred structure is that the W-phase second contact end, the V-phase second contact end and the U-phase second contact end are all provided with through holes and fixed to the three-phase power port of the motor, the W-phase second contact end is located above the V-phase second connection part and the U-phase second connection part, the V-phase second connection part and the U-phase second connection part corresponding to the W-phase second contact end are both provided with an air avoidance groove, the V-phase second contact end is located above the U-phase second connection part, the U-phase second connection part corresponds to the V-phase second contact end with an air avoidance groove, the aperture of each air avoidance groove is larger than the aperture of the corresponding through hole, and the side walls of the air avoidance groove are wrapped in a fixed bracket.

[0018] In addition, a preferred structure is that a limiting boss is disposed on the outside of the fixing bracket, and a fixing boss is disposed directly below the limiting boss.

[0019] The beneficial effects of the utility model are as follows: by arranging a current transfer terminal assembly on the outside of the electric control box, and arranging an air avoidance groove so that the fixed structure of the three-phase power port of the motor can pass through the air avoidance groove and be connected with the through holes of each phase, the side wall of the air avoidance groove is wrapped in a fixed bracket to avoid contact with the fixed structure of the three-phase power port of the motor, thereby enhancing the practicality of the current transfer terminal assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an axonometric diagram of a current transfer terminal assembly proposed by the utility model;

[0021] Figure 2 This is an axonometric diagram of a current transfer terminal proposed by the utility model;

[0022] Figure 3 A top view of a current transfer terminal proposed by the utility model;

[0023] Figure 4 This is an axonometric diagram of a current transfer terminal proposed by the utility model;

[0024] Figure 5 This is a side view of a current transfer terminal proposed by the utility model;

[0025] Figure 6 The utility model is a schematic diagram of the exploded structure of a current transfer terminal assembly.

[0026] In the figure: 1U phase copper bus terminal, 2U phase first contact end, 3U phase second contact end, 4V phase copper bus terminal, 5V phase first contact end, 6V phase second contact end, 7W phase copper bus terminal, 8W phase first contact end, 9W phase second contact end, 10 fixed bracket, 11 first isolating member, 12 second isolating member, 13 third isolating member, 14 first fixing portion, 15 second fixing portion, 16 third fixing portion, 17U phase first connecting portion, 18U phase second connecting portion, 19V phase first connecting portion, 20V phase second connecting portion, 21W phase first connecting portion, 22W phase second connecting portion, 23 limiting boss, 24 through hole, 25 air avoidance groove, 26 first isolating column, 27 second isolating column, 28 fixed boss. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Reference Figure 1-6 , a current transfer terminal assembly, including a U-phase copper bar terminal 1, a V-phase copper bar terminal 4, and a W-phase copper bar terminal 7, wherein the U-phase copper bar terminal 1 includes a U-phase first contact terminal 2 and a U-phase second contact terminal 3, the V-phase copper bar terminal 4 includes a V-phase first contact terminal 5 and a V-phase second contact terminal 6, and the W-phase copper bar terminal 7 includes a W-phase first contact terminal 8 and a W-phase second contact terminal 9;

[0029] The U-phase first contact terminal 2 is connected to the motor, and the U-phase second contact terminal 3 is connected to the motor controller; the V-phase first contact terminal 5 is connected to the motor, and the V-phase second contact terminal 6 is connected to the motor controller; the W-phase first contact terminal 8 is connected to the motor, and the W-phase second contact terminal 9 is connected to the motor controller.

[0030] A fixing bracket 10 is wrapped around the outside of the U-phase copper bar terminal 1, the V-phase copper bar terminal 4, and the W-phase copper bar terminal 7, and the U-phase first contact end 2, the U-phase second contact end 3, the V-phase first contact end 5, the V-phase second contact end 6, the W-phase first contact end 8, and the W-phase second contact end 9 are all exposed outside the fixing bracket 10.

[0031] The V-phase copper busbar terminal 4 is vertically provided with a first fixing portion 14 , which extends rightward and upward from the first fixing portion to form a V-phase first connecting portion 19 , and the V-phase first contact end 5 is provided at the upper end of the V-phase first connecting portion 19 .

[0032] The U-phase copper busbar terminal 1 is vertically provided with a second fixing portion 15 which is arranged in parallel in the front-to-rear direction in front of the first fixing portion 14 , and extends backward and upward from the first fixing portion 14 to form a U-phase first connecting portion 17 which is located on the left side of the V-phase first connecting portion 19 , and the U-phase first contact end 2 is arranged at the upper end of the U-phase first connecting portion 17 .

[0033] The W-phase copper busbar terminal 7 has a vertically arranged third fixing portion 16 which is arranged in parallel on the rear side of the first fixing portion 14 in the front-to-back direction, and extends rightward and upward from the third fixing portion 16 to form a W-phase first connecting portion 21. The W-phase first connecting portion 21 is recessed backward relative to the third fixing portion 16 and is located on the right side of the V-phase first connecting portion 19. The W-phase first contact end 8 is arranged at the upper end of the W-phase first connecting portion 21.

[0034] A first isolation column 26 is disposed between the first fixing portion 14 and the second fixing portion 15 , and a second isolation column 27 is disposed between the first fixing portion 14 and the third fixing portion 16 .

[0035] The first fixing portion 14 is provided with a first isolating member 11, and the front and rear sides of the first isolating member 11 protrude respectively to form a first isolating column that abuts forward against the second fixing portion 15 and abuts backward against the third fixing portion 16. The third fixing portion 16 is provided with a third isolating member 13, and the third isolating member 13 protrudes forward to form a first isolating column 26 that abuts forward against the first fixing portion 14; the second fixing portion 15 is provided with a second isolating member 12, and the second isolating member 12 protrudes backward to form a second isolating column 27 that abuts backward against the first fixing portion 14.

[0036] A V-phase second connection portion 20 is formed by extending backward and leftward from the first fixed portion 14, and the V-phase second contact terminal 6 is arranged at the end of the V-phase second connection portion 20; a U-phase second connection portion 18 is formed by extending backward and leftward from the second fixed portion 15 and is parallel to the bottom of the V-phase second connection portion 20, and the U-phase second contact terminal 3 is arranged at the end of the V-phase second connection portion 20; a W-phase second connection portion 22 is formed by extending backward and leftward from the third fixed portion 16 and is parallel to the top of the V-phase second connection portion 20, and the W-phase second contact terminal 9 is arranged at the end of the second connection portion 22; an isolation column is provided between the V-phase second connection portion 20 and the U-phase second connection portion 18, and a second isolation column 27 is provided between the W-phase second connection portion and the U-phase second connection portion.

[0037] The W-phase second contact terminal 9, the V-phase second contact terminal 6 and the U-phase second contact terminal 3 are all provided with a through hole 24 and fixed to the three-phase power port of the motor. The W-phase second contact terminal 9 is located above the V-phase second connection part 20 and the U-phase second connection part 18. The V-phase second connection part 20 and the U-phase second connection part 18 are provided with an air avoidance groove 25 corresponding to the W-phase second contact terminal 9. The V-phase second contact terminal 6 is located above the U-phase second connection part 18. The U-phase second connection 18 is provided with an air avoidance groove 25 corresponding to the V-phase second contact terminal 6. The aperture of each air avoidance groove 25 is larger than the aperture of the corresponding through hole 24, and the side wall of the air avoidance groove 25 is wrapped in the fixed bracket 10.

[0038] A limiting boss 23 is disposed outside the fixing bracket 10 , and a fixing boss 28 is disposed directly below the limiting boss 23 .

[0039] In the present embodiment, a fixed bracket is provided to fix the U-phase copper bus terminal 1, the V-phase copper bus terminal 4 and the W-phase copper bus terminal 7 together and then connected to the motor power and the motor controller, so as to facilitate replacement and assembly and simplify the assembly process. The U-phase first contact terminal 2, the V-phase first contact terminal and the W-phase first contact terminal 8 are arranged side by side in the left-right direction and are located in the same plane; so that the connection structure between the motor controller and the current transfer terminal assembly is arranged more compactly, it is convenient to set the same assembly process, and they can be assembled simultaneously during assembly, which simplifies the assembly process and improves production efficiency; the U-phase second contact terminal 3, the V-phase second contact terminal 6 and the W-phase second contact terminal 9 are arranged side by side in the left-right direction and are located on the same plane. This makes the connection structure between the motor power port and the current transfer terminal assembly more compact, facilitates the setting of the same assembly process, and allows simultaneous assembly during assembly, thereby simplifying the assembly process and improving production efficiency. The U-phase second contact terminal 3, the V-phase second contact terminal 6, and the W-phase second contact terminal 9 are arranged in parallel along the left-right direction, and the U-phase second contact terminal 3, the V-phase second contact terminal 6, and the W-phase second contact terminal 9 are arranged in parallel along the left-right direction to save design space for the current transfer terminal assembly along the front-to-back direction.

[0040] The U-phase second connection portion 18 , the V-phase second connection portion 20 , and the W-phase second connection portion 22 are arranged in parallel in the vertical direction to save space in the horizontal direction and reduce the design space of the current transfer terminal assembly.

[0041] The limiting boss 23 is provided to cooperate with the electric control box to ensure the limiting cooperation between the current transfer terminal assembly and the electric control box, which is convenient for installation and fixation. The power terminal fixing boss is provided to lock it to the electric control box.

[0042] In the utility model, a current transfer terminal assembly is arranged on the outside of the electric control box, and an air avoidance groove 25 is arranged so that the fixed structure of the three-phase power port of the motor can pass through the air avoidance groove 25 and be connected with the through holes 24 of each phase. The side wall of the air avoidance groove 25 is wrapped in the fixed bracket 10 to avoid contact with the fixed structure of the three-phase power port of the motor, thereby enhancing the practicality of the current transfer terminal assembly.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A current transfer terminal assembly, comprising a U-phase copper bar terminal (1), a V-phase copper bar terminal (4), and a W-phase copper bar terminal (7), characterized in that: The U-phase copper bar terminal (1) comprises a U-phase first contact end (2) and a U-phase second contact end (3); the V-phase copper bar terminal (4) comprises a V-phase first contact end (5) and a V-phase second contact end (6); and the W-phase copper bar terminal (7) comprises a W-phase first contact end (8) and a W-phase second contact end (9); The U-phase first contact terminal (2) is connected to the motor, and the U-phase second contact terminal (3) is connected to the motor controller; the V-phase first contact terminal (5) is connected to the motor, and the V-phase second contact terminal (6) is connected to the motor controller; the W-phase first contact terminal (8) is connected to the motor, and the W-phase second contact terminal (9) is connected to the motor controller.

2. A current transfer terminal assembly according to claim 1, characterized in that: A fixing bracket (10) is provided outside the U-phase copper bar terminal (1), the V-phase copper bar terminal (4), and the W-phase copper bar terminal (7); the U-phase first contact end (2), the U-phase second contact end (3), the V-phase first contact end (5), the V-phase second contact end (6), the W-phase first contact end (8), and the W-phase second contact end (9) are all exposed outside the fixing bracket (10).

3. A current transfer terminal assembly according to claim 1, characterized in that: The V-phase copper busbar terminal (4) is vertically provided with a first fixing portion (14), which extends rightward and upward from the first fixing portion to form a V-phase first connecting portion (19), and the V-phase first contact end (5) is provided at the upper end of the V-phase first connecting portion (19).

4. A current transfer terminal assembly according to claim 1, characterized in that: The U-phase copper busbar terminal (1) is vertically provided with a second fixing portion (15) arranged in parallel in the front-to-rear direction on the front side of the first fixing portion (14), and extends backward and upward from the first fixing portion (14) to form a U-phase first connecting portion (17) located on the left side of the V-phase first connecting portion (19), and the U-phase first contact end (2) is arranged at the upper end of the U-phase first connecting portion (17).

5. The current transfer terminal assembly according to claim 1, characterized in that: The W-phase copper busbar terminal (7) comprises a third fixing portion (16) vertically arranged and arranged in parallel at the rear side of the first fixing portion (14) along the front-to-back direction, and a W-phase first connecting portion (21) is formed by extending rightward and upward from the third fixing portion (16); the W-phase first connecting portion (21) is recessed backward relative to the third fixing portion (16) and is located on the right side of the V-phase first connecting portion (19); and the W-phase first contact end (8) is arranged at the upper end of the W-phase first connecting portion (21).

6. A current transfer terminal assembly according to claim 3, characterized in that: A first isolation column (26) is provided between the first fixing portion (14) and the second fixing portion (15), and a second isolation column (27) is provided between the first fixing portion (14) and the third fixing portion (16).

7. A current transfer terminal assembly according to claim 3, characterized in that: The first fixing part (14) is provided with a first isolating member (11), and the front and rear sides of the first isolating member (11) are respectively protruded to form a first isolating column that abuts forwardly against the second fixing part (15) and abuts backwardly against the third fixing part (16); the third fixing part (16) is provided with a third isolating member (13), and the third isolating member (13) protrudes forward to form a first isolating column (26) that abuts forwardly against the first fixing part (14); the second fixing part (15) is provided with a second isolating member (12), and the second isolating member (12) protrudes backwardly to form a second isolating column (27) that abuts backwardly against the first fixing part (14).

8. The current transfer terminal assembly according to claim 3, characterized in that: The V-phase second connection part (20) is formed by extending backward and leftward from the first fixed part (14), and the V-phase second contact end (6) is arranged at the end of the V-phase second connection part (20); the U-phase second connection part (18) is formed by extending backward and leftward from the second fixed part (15) and is arranged below the V-phase second connection part (20), and the U-phase second contact end (3) is arranged at the end of the V-phase second connection part (20); the W-phase second connection part (22) is formed by extending backward and leftward from the third fixed part (16) and is arranged above the V-phase second connection part (20), and the W-phase second contact end (9) is arranged at the end of the second connection part (22); an isolation column is arranged between the V-phase second connection part (20) and the U-phase second connection part (18), and a second isolation column (27) is arranged between the W-phase second connection part and the U-phase second connection part.

9. A current transfer terminal assembly according to claim 3, characterized in that: The W-phase second contact end (9), the V-phase second contact end (6) and the U-phase second contact end (3) are all provided with a through hole (24) and fixed with the motor power three-phase port; the W-phase second contact end (9) is located above the V-phase second connection part (20) and the U-phase second connection part (18); the V-phase second connection part (20) and the U-phase second connection part (18) are both provided with a clearance groove (25) corresponding to the W-phase second contact end (9); the V-phase second contact end (6) is located above the U-phase second connection part (18); the U-phase second connection part (18) is provided with a clearance groove (25) corresponding to the V-phase second contact end (6); the aperture of each clearance groove (25) is larger than the aperture of the corresponding through hole (24), and the side wall of the clearance groove (25) is wrapped in the fixing bracket (10).

10. The current transfer terminal assembly according to claim 2, characterized in that: A limiting boss (23) is arranged outside the fixing bracket (10), and a fixing boss (28) is arranged directly below the limiting boss (23).

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