Double-row high-voltage junction box of new energy electric vehicle motor controller

Abstract

The invention discloses a double-row high-voltage junction box of a motor controller of a new energy electric vehicle, and relates to the technical field of new energy electric vehicles, and the double-row high-voltage junction box is characterized in that an interface assembly comprises a junction box installed on the outer surface of a box body; the box body and the junction box are both provided with via hole terminals, the via hole terminals are provided with high-voltage wire harnesses in a penetrating manner, the box body and the junction box are also internally provided with connecting parts, and the high-voltage wire harnesses penetrate through the via hole terminals from the outside of the box body and the junction box and are electrically connected with the connecting parts; when the junction box is installed on the surface of the box body, a plurality of high-voltage wire harnesses are inserted into the via hole terminals from the bottom end, so that the high-voltage wire harnesses enter the box body and the junction box and are fixed to the connecting part, the installation steps of electrical connection can be reduced, and the electrical connection efficiency of the electric automobile is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy electric vehicles, and in particular to a double-row high-voltage junction box of a motor controller of a new energy electric vehicle. Background Art

[0002] With the development of new energy vehicles, the demand for high-voltage wiring of electric vehicle motor controllers is also increasing. The existing motor controller high-voltage wiring design mostly adopts a single-row wiring method. Its limitation is that the number of wiring interfaces cannot meet the increasingly complex configuration requirements of electric vehicles. With the trend of diversification and high configuration of new energy vehicles, the high-voltage wiring design of motor controllers in the existing technology faces the problem of being unable to effectively support more interfaces and configurations.

[0003] The increase in the number of wiring interfaces in the high-voltage wiring design of the motor controller in the prior art directly leads to the increase in the volume of the die-cast box and the complexity of the production process, thereby affecting the production efficiency and yield rate of the product, especially when multiple interfaces need to be laid out at the same time. The number of wiring harnesses inside a single box or junction box is large. Since the volume of a single box or junction box is fixed, the wiring harnesses of a single box or junction box are easily entangled together, and the wiring harnesses need to be connected through curved or complex lines, resulting in excessive bending or complex connections of the current path, increasing the installation steps of the electrical connection, and reducing the electrical connection efficiency of the electric vehicle. Summary of the Invention

[0004] The purpose of the present invention is to provide a double-row high-voltage junction box for a new energy electric vehicle motor controller, which solves the problem of increased electrical connection installation steps and low electrical connection efficiency of the electric vehicle.

[0005] To achieve this object, the present invention adopts the following technical solutions: A double-row high-voltage junction box for a new energy electric vehicle motor controller comprises: the interface assembly comprises a junction box mounted on the outer surface of the box; The box and the junction box are both provided with through-hole terminals, through which a high-voltage wire harness is passed. The box and the junction box are also provided with a connecting portion, wherein the high-voltage wire harness passes through the through-hole terminals from outside the box and the junction box and is electrically connected to the connecting portion; When the junction box is mounted on the surface of the box, multiple high-voltage wire harnesses are respectively inserted into the through-hole terminals from the bottom, so that the high-voltage wire harnesses enter the box and the junction box and are fixed to the connection part.

[0006] Preferably, the connecting part includes: a first wiring plastic plate, a second wiring plastic plate, a first copper bar and a second copper bar, the first copper bar is arranged inside the junction box, the bottom end of the first copper bar is fixedly connected to the first wiring plastic part, the top end of the second copper bar is fixedly connected to the second wiring plastic plate, and the bottom ends of the first copper bar and the second copper bar are respectively fixedly connected to multiple high-voltage wire harnesses.

[0007] Preferably, a cover plate is provided on the outer surface of the junction box.

[0008] Preferably, a plurality of interface tubes are fixedly connected to the box body and the bottom end of the junction box respectively, and a convex body is provided on the outer surface of the junction box, and one side of the convex body is fixed to the cover plate with screws.

[0009] Preferably, the bottom ends of the multiple interface tubes are fixedly connected to the through-hole terminals, and the multiple interface tubes are fixedly connected through multiple connecting rings. An L-shaped fixing plate is provided on the side of the connecting ring, and the L-shaped fixing plate is fixedly connected to the surface of the box. The angle of the L-shaped fixing plate adopts a right-angle structure, and the bottom ends of the first wiring plastic plate and the second wiring plastic plate are respectively fixedly connected with connecting columns, and the box is fixedly connected to the connecting columns inside the junction box.

[0010] Preferably, the number of the plurality of high-voltage wire harnesses corresponds to the number of interface pipes.

[0011] Preferably, the bottom end of the through-hole terminal is rotatably connected to the buckle through a sliding groove, and the buckle is used to fix the high-voltage wire harness.

[0012] Preferably, the buckle includes: a fixed arc plate, a rotating arc plate and a clamping plate, the fixed arc plate and the rotating arc plate are inserted and connected, the bottom ends of the fixed arc plate and the rotating arc plate are respectively fixedly connected to the clamping plate, and the side of the clamping plate is slidably connected to the slide groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects: When in use, the junction box is first fixedly installed on the outer surface of the box, so that the junction box and the box form a double-row combination, and then multiple high-voltage wire harnesses are inserted from the junction box and the bottom of the box at the same time, so that the high-voltage wire harness enters the box and the junction box through the through-hole terminal, so that the connecting part fixes the high-voltage wire harness at the bottom, so that the connecting part transmits the external power supply current to the high-voltage wire harness. When the current passes through the connection point of the connecting part, it can flow to the high-voltage wire harness more quickly and efficiently without going through complicated wiring or too many connection points, and is output to the electric vehicle through the junction box and the box in double rows, avoiding the long path and unnecessary bending encountered by the current in the prior art, so that the current transmission path is significantly optimized, and the problem of increased electrical connection installation steps and low electrical connection efficiency of electric vehicles is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] The structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and objectives that can be achieved by the present invention.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the exploded structure of components such as the high-voltage wire harness, junction box, and first junction plastic plate.

[0017] Figure 3 It is a structural schematic diagram of the components such as the convex body, junction box and via terminal of the present invention; Figure 4 for Figure 3 A schematic diagram of the enlarged local structure at point A in the middle; Figure 5 This is a schematic structural diagram of the first wiring plastic plate, the first copper busbar, the connecting column and other components of the present invention; Figure 6 It is a structural schematic diagram of the buckle of the present invention.

[0018] Illustration: 1. Box; 2. Interface assembly; 210. High-voltage wiring harness; 220. Junction box; 230. Through-hole terminal; 240. Connecting part; 241. First connecting plastic plate; 242. Second connecting plastic plate; 243. First copper busbar; 244. Second copper busbar; 3. Cover plate; 4. Interface tube; 5. Protrusion; 6. Connecting ring; 7. L-shaped fixing plate; 8. Connecting column; 9. Buckle; 901. Fixed arc plate; 902. Rotating arc plate; 903. Snap-fit ​​plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally located component.

[0021] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0022] The double-row high-voltage junction box for new energy electric vehicle motor controllers is suitable for all new energy electric vehicles that use high-voltage current to control their motors, particularly those with high requirements for current transmission efficiency and space utilization. The motor controller (or "motor controller") is a key component controlling the operation of the electric vehicle's motor, responsible for managing the motor's starting, stopping, speed regulation, and steering. It controls the motor's output power to achieve driving control and power output. In electric vehicles, motor controllers must withstand high voltage currents, so they are typically equipped with a high-voltage junction box for secure and stable connections to the battery, charging system, and motor.

[0023] refer to Figures 1-6 As shown, an embodiment of the present invention provides a double-row high-voltage junction box for a new energy electric vehicle motor controller, comprising: the interface assembly 2 includes a junction box 220 mounted on the outer surface of the box body 1; The box 1 and the junction box 220 are both provided with a through-hole terminal 230, and the through-hole terminal 230 is penetrated by a high-voltage wire harness 210. The box 1 and the junction box 220 are also provided with a connecting portion 240, wherein the high-voltage wire harness 210 passes through the through-hole terminal 230 from outside the box 1 and the junction box 220 and is electrically connected to the connecting portion 240; When the junction box 220 is mounted on the surface of the box body 1, multiple high-voltage wire harnesses 210 are inserted into the through-hole terminals 230 from the bottom, so that the high-voltage wire harnesses 210 enter the box body 1 and the junction box 220 and are fixed to the connecting portion 240; in the prior art, all high-voltage wire harnesses 210 usually need to be connected through complex paths and longer lines, which not only makes the current transmission path too long, but also causes unnecessary current loss and increases the impedance of the electrical connection. In this embodiment, the through-hole terminal 230 allows the high-voltage wire harness 210 to directly pass through the box body 1 and the junction box 220 and connect to the internal connecting portion 240. Since the current transmission path becomes more direct and simple, the current can flow to the high-voltage wire harness 210 more quickly and efficiently when passing through the connection point of the connecting portion 240, without the need for complex wiring or too many connection points, thus avoiding the current loss in the prior art. The long paths and unnecessary bends encountered during the operation have significantly optimized the current transmission path. The through-hole terminal 230 directly connects the box 1 and the junction box 220, allowing the high-voltage wire harness 210 to pass through the boundary of the box 1 and the junction box 220 and extend into the connecting part 240. This method of directly transmitting current through the connecting part 240 avoids excessive bending or complex connections in the current path and simplifies the line structure. Due to the close fit between the connecting part 240 and the high-voltage wire harness 210, the current transmission path is more direct in design, allowing current to flow in more quickly from the external power supply and enter the high-voltage wire harness 210 through a shorter path, reducing any additional resistance or loss during current transmission, reducing lengthy transmission paths, making current transmission more efficient, reducing current transmission losses caused by excessively long lines or multiple turns, and optimizing electrical connection efficiency.

[0024] First, the junction box 220 is fixedly mounted on the outer surface of the box 1, so that the junction box 220 and the box 1 form a double-row combination, so that the high-voltage wire harness 210 enters the box 1 and the junction box 220 through the via terminal 230, and the connecting portion 240 is fixed to the high-voltage wire harness 210, so that the external power supply current is transmitted to the high-voltage wire harness 210, and then output to the electric vehicle through the junction box 220 and the box 1 in a double row; When in use, the junction box 220 is first fixedly installed on the outer surface of the box 1, so that the junction box 220 and the box 1 form a double-row combination, and then multiple high-voltage wire harnesses 210 are inserted from the junction box 220 and the bottom end of the box 1 at the same time, so that the high-voltage wire harness 210 enters the box 1 and the junction box 220 through the through-hole terminal 230, so that the connecting part 240 of the interface component 2 is fixed to the high-voltage wire harness 210, so that the connecting part 240 transmits the external power supply current to the high-voltage wire harness 210, and outputs it to the electric vehicle through the junction box 220 and the box 1 in a double row, solving the problem of poor current input and output and reducing the electrical connection efficiency of the electric vehicle.

[0025] refer to Figure 1 、 Figure 2 and Figure 5 As shown, the connecting portion 240 includes: a first wiring plastic plate 241, a second wiring plastic plate 242, a first copper bar 243 and a second copper bar 244, the first copper bar 243 is arranged inside the junction box 220, the bottom end of the first copper bar 243 is fixedly connected to the first wiring plastic part, the top end of the second copper bar 244 is fixedly connected to the second wiring plastic plate 242, and the bottom ends of the first copper bar 243 and the second copper bar 244 are respectively fixedly connected to multiple high-voltage wire harnesses 210; through the double-row design of the first copper bar 243 and the second copper bar 244, the high-voltage junction box 220 of the existing electric vehicle motor controller usually adopts a single-row design, but the single-row design is difficult to accommodate multiple high-voltage wire harnesses 210 in a limited space, resulting in a longer connection between the high-voltage wire harness 210 and the copper bar, and the current is in the transmission process. It will produce a large energy loss and limit the simultaneous transmission capacity of high-voltage current. The double-row design connects multiple high-voltage wire harnesses 210 through the first copper bus 243 and the second copper bus 244, and forms a double-row combination with the junction box 220 and the box body 1. This design optimizes the current transmission path, so that the current can be more directly and quickly input and output from the junction box 220 and the box body 1 to various parts of the electric vehicle, reducing the path length during the current flow, avoiding unnecessary bends and lengthy lines, and eliminating the need to pass through overly long or winding paths. The current can be effectively transmitted through a shorter path, reducing the loss during the current transmission process, and enabling the high-voltage wire harness 210 to achieve double-row output in a limited space, solving the problem of increased electrical connection installation steps and low electrical connection efficiency of electric vehicles.

[0026] During use, the junction box 220 is fixedly mounted on the outer surface of the box body 1 to form a double-row combination, and the cover plate 3 is fixedly mounted on the surface of the junction box 220, and then multiple high-voltage wire harnesses 210 are inserted from the bottom end of the junction box 220, so that the multiple high-voltage wire harnesses 210 pass through the through-hole terminal 230 into the interface tube 4, and then enter the junction box 220 and the box body 1, so that the high-voltage wire harnesses 210 are respectively inserted into the first wiring plastic plate 241 and the second wiring plastic plate 242, so that the first wiring plastic plate 241 and the second wiring plastic plate 242 are connected. The second wiring plastic plate 242 fixes the high-voltage wire harness 210 on the first copper bar 243 and the second copper bar 244 respectively. Since the first copper bar 243 and the second copper bar 244 are connected to the external power switch, turning on the power switch transmits current to the first copper bar 243 and the second copper bar 244, so that the first copper bar 243 and the second copper bar 244 respectively transmit the power current to the high-voltage wire harness 210. Then, the junction box 220 and the high-voltage wire harness 210 in the box body 1 perform double-row transmission of current to the interior of the electric vehicle.

[0027] refer to Figure 2 、 Figure 3 、 Figure 4and Figure 5 As shown, the multiple interface tubes 4 are fixedly connected by a connecting ring 6, and an L-shaped fixing plate 7 is provided on the side of the connecting ring 6. The L-shaped fixing plate 7 is fixedly connected to the surface of the box body 1, and the angle of the L-shaped fixing plate 7 adopts a right-angle structure. The bottom ends of the first wiring plastic plate 241 and the second wiring plastic plate 242 are respectively fixedly connected with connecting columns 8, and the box body 1 and the inside of the junction box 220 are fixedly connected with the connecting columns 8.

[0028] Before use, multiple connecting rings 6 are respectively sleeved on multiple interface tubes 4, and the connecting rings 6 are fixedly connected to each other, so that the interface tubes 4 will not deviate at the bottom ends of the box body 1 and the junction box 220 due to external forces, ensuring that the multiple high-voltage wire harnesses 210 are kept equidistant inside the multiple interface tubes 4, preventing the high-voltage wire harnesses 210 from being entangled due to deviation, and fixing the connection of the interface tube 4 to the L-shaped fixing plate 7 with screws, and the angles between the connection of the interface tube 4 and the L-shaped fixing plate 7 are all right-angled, so that the connection of the interface tube 4 and the L-shaped fixing plate 7 are tightly fitted, thereby ensuring that the screws will not loosen due to the gap between the connection of the interface tube 4 and the L-shaped fixing plate 7, reducing the possibility of the interface tube 4 deviating from the bottom ends of the box body 1 or the junction box 220. The stability of the connection of the high-voltage wiring harness 210 is improved; the first wiring plastic plate 241 and the second wiring plastic plate 242 are respectively installed and fixed to the inside of the junction box 220 and the box body 1 through the connecting column 8, and at the same time, the first copper bus 243 and the second copper bus 244 are respectively fixed to the first wiring plastic plate 241 and the second wiring plastic plate 242, so that the first wiring plastic plate 241 and the second wiring plastic plate 242 fix the high-voltage wiring harness 210 and the first copper bus 243 and the second copper bus 244 in the junction box 220 and the box body 1 respectively, ensuring that the first copper bus 243 and the second copper bus 244 can directly and stably input external current into the high-voltage wiring harness 210, avoiding excessive bending or complex connection of the current path, and simplifying the circuit structure.

[0029] As shown in Reference 6, the bottom end of the through-hole terminal 230 is rotatably connected to the clip 9 through a slide groove, and the clip 9 is used to fix the high-voltage wire harness 210; the clip 9 includes: a fixed arc plate 901, a rotating arc plate 902 and a clamping plate 903, the fixed arc plate 901 and the rotating arc plate 902 are inserted and connected, the bottom ends of the fixed arc plate 901 and the rotating arc plate 902 are respectively fixedly connected to the clamping plate 903, and the side of the clamping plate 903 is slidably connected to the slide groove.

[0030] When the high-voltage wiring harness 210 passes through the through-hole terminal 230, the rotating arc plate 902 is rotated so that the rotating arc plate 902 is inserted into the slot on the fixed arc plate 901 and fixed. At the same time, the rotating arc plate 902 pushes the clamping plate 903 at the bottom end of the fixed arc plate 901 to rotate through the slide groove through the friction, so that the rotating arc plate 902 is tightly fixed to the fixed arc plate 901, so that the high-voltage wiring harness 210 can be better fixed and installed to prevent the high-voltage wiring harness 210 from swinging and getting entangled.

[0031] Working principle: Before use, first fix the cover plate 3 on the convex body 5 on the surface of the junction box 220, then fix the junction box 220 on the surface of the box 1 to form a double-row structure, then install the first wiring plastic plate 241 and the second wiring plastic plate 242 on the connection column 8 inside the junction box 220 and the box 1 respectively, and fix the first copper bar 243 and the second copper bar 244 on the first wiring plastic plate 241 and the second plastic plate, then connect the first copper bar 243 and the second copper bar 244 to the external power switch. At the same time, the interface tube 4 is installed and fixed to the junction box 220 and the bottom end of the box body 1, and the through-hole terminal 230 is fixed inside the interface tube 4. Then, multiple connecting rings 6 are fixed to the junction box 220 and the bottom end of the box body 1 respectively through the L-shaped fixing plate 7. Then, the interface tube 4 is inserted into the connecting rings 6 and installed respectively on the junction box 220 and the bottom end of the box body 1, so that the connection between the interface tube 4 and the L-shaped fixing plate 7 is overlapped and fitted together at a right angle and fixed with screws. The buckle 9 is installed on the bottom end of the through-hole terminal 230; During use, multiple high-voltage wire harnesses 210 are inserted from the bottom end of the junction box 220, so that the multiple high-voltage wire harnesses 210 enter the interface tube 4 through the through-hole terminal 230, and then enter the junction box 220 and the box body 1, so that the high-voltage wire harnesses 210 are respectively inserted into the first wiring plastic plate 241 and the second wiring plastic plate 242, so that the first wiring plastic plate 241 and the second wiring plastic plate 242 fix the high-voltage wire harnesses 210 on the first copper bus 243 and the second copper bus 244 respectively, and the rotating arc plate 902 of the buckle 9 is inserted into the card slot on the fixed arc plate 901 for fixing, and at the same time, the rotating arc plate 902 pushes the clamping plate 903 at the bottom end of the fixed arc plate 901 to rotate through the slide groove by clamping friction, so that the rotating arc plate 902 is tightly fixed to the fixed arc plate 901.

[0032] When in use, turn on the power switch to transmit current to the first copper bar 243 and the second copper bar 244, so that the first copper bar 243 and the second copper bar 244 respectively transmit the power current to the high-voltage wire harness 210, and then the junction box 220 and the high-voltage wire harness 210 in the box body 1 perform double-row transmission of current to the interior of the electric vehicle.

[0033] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A double-row high-voltage junction box for a new energy electric vehicle motor controller, characterized in that: include: A box (1) and an interface assembly (2); the interface assembly (2) comprises a junction box (2) mounted on the outer surface of the box (1); The box (1) and the junction box (2) are both provided with a through-hole terminal (230), and a high-voltage wire harness (210) is passed through the through-hole terminal (230). A connecting portion (240) is also provided in the box (1) and the junction box (2), wherein the high-voltage wire harness (210) passes through the through-hole terminal (230) from outside the box (1) and the junction box (2) and is electrically connected to the connecting portion (240); When the junction box (220) is mounted on the surface of the box body (1), the plurality of high-voltage wire harnesses (210) are respectively inserted into the through-hole terminals (230) from the bottom ends, so that the high-voltage wire harnesses (210) enter the interior of the box body (1) and the junction box (220) and are fixed to the connecting portion (240).

2. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 1 is characterized in that: The connecting portion (240) comprises: a first wiring plastic plate (241), a second wiring plastic plate (242), a first copper bar (243) and a second copper bar (244), wherein the first copper bar (243) is arranged inside the junction box (220), the bottom end of the first copper bar (243) is fixedly connected to the first wiring plastic part, the top end of the second copper bar (244) is fixedly connected to the second wiring plastic plate (242), and the bottom ends of the first copper bar (243) and the second copper bar (244) are respectively fixedly connected to a plurality of high-voltage wire harnesses (210).

3. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 2 is characterized in that: A cover plate (3) is provided on the outer surface of the junction box (220).

4. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 3 is characterized in that: The box body (1) and the bottom end of the junction box (220) are respectively fixedly connected with a plurality of interface tubes (4); a convex body (5) is provided on the outer surface of the junction box (220); one side of the convex body (5) is fixed to the cover plate (3) with screws.

5. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 4 is characterized in that: The bottom ends of the plurality of interface tubes (4) are fixedly connected to the through-hole terminals (230), and the plurality of interface tubes (4) are fixedly connected to each other through a plurality of connecting rings (6). An L-shaped fixing plate (7) is provided on the side of the connecting ring (6), and the L-shaped fixing plate (7) is fixedly connected to the surface of the box body (1). The angle of the L-shaped fixing plate (7) adopts a right-angle structure. The bottom ends of the first wiring plastic plate (241) and the second wiring plastic plate (242) are respectively fixedly connected to the connecting columns (8), and the box body (1) and the interior of the junction box (220) are fixedly connected to the connecting columns (8).

6. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 5, characterized in that: The number of the plurality of high-voltage wire harnesses (210) is arranged corresponding to the number of the interface pipes (4).

7. A double-row high-voltage junction box for a new energy electric vehicle motor controller according to claim 6, characterized in that: The bottom end of the through-hole terminal (230) is rotatably connected to the buckle (9) via a sliding groove, and the buckle (9) is used to fix the high-voltage wire harness (210).

8. The double-row high-voltage junction box of a new energy electric vehicle motor controller according to claim 7, characterized in that: The buckle (9) comprises: a fixed circular arc plate (901), a rotating circular arc plate (902) and a clamping plate (903); the fixed circular arc plate (901) and the rotating circular arc plate (902) are inserted and connected; the bottom ends of the fixed circular arc plate (901) and the rotating circular arc plate (902) are respectively fixedly connected to the clamping plate (903); and the side surface of the clamping plate (903) is slidably connected to the slide groove.

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