Antimagnetic structure for electric vehicle controller

Abstract

The utility model discloses an antimagnetic structure for an electric vehicle controller, which comprises an antimagnetic cover, the outside of the antimagnetic cover is movably connected with an antimagnetic box, one end of the antimagnetic cover is fixedly connected with a waveguide window, and the top of one end of the antimagnetic cover is fixedly connected with a filter. According to the antimagnetic structure for the electric vehicle controller, through the arrangement of the antimagnetic box, the heat-conducting fins and the reinforcing angle seats, after the structure is installed, heat generated by working of internal electric vehicle controller elements can be diffused into air in the antimagnetic box, the antimagnetic box made of a metal material makes contact with the internal air so that the heat in the antimagnetic box can be continuously absorbed, and the heat dissipation efficiency is improved. Heat is conducted out through the heat conducting fins outside the antimagnetic box, the heat conducting fins make contact with outside air so that the heat can be rapidly conducted out, the temperature in the antimagnetic box can be reduced accordingly, the antimagnetic box can be supported through the reinforcing angle seats outside the antimagnetic box, the situation that the heat dissipation effect is affected due to deformation of the heat conducting fins is avoided, and the problem that effective heat dissipation cannot be achieved is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle controllers, and particularly relates to an anti-magnetic structure for an electric vehicle controller. Background Technique

[0002] The electric vehicle controller is the core control component inside the electric vehicle, which can control the power-on, start-up and running speed of the electric vehicle, etc., and plays a very important role inside the electric vehicle. Therefore, the running stability of the electric vehicle controller directly affects whether the electric vehicle can work normally. There are various factors affecting the operation of the electric vehicle controller. Among them, the magnetic field has a greater impact on the electric vehicle controller, and a special anti-magnetic structure is required to protect the electric vehicle controller to prevent the magnetic field from affecting the operation of the electric vehicle controller;

[0003] However, there are still some defects in the existing anti-magnetic structure for electric vehicle controllers during use. After installation, due to the closed overall structure, the heat generated by the electrical components installed inside is difficult to discharge, resulting in the electric vehicle controller operating at a high temperature for a long time, affecting the running stability and service life of the electric vehicle controller;

[0004] Now a new anti-magnetic structure for an electric vehicle controller is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an anti-magnetic structure for an electric vehicle controller to solve the problem of ineffective heat dissipation proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an anti-magnetic structure for an electric vehicle controller, including an anti-magnetic cover, the outside of the anti-magnetic cover is movably connected with an anti-magnetic box, one end of the anti-magnetic cover is fixedly connected with a waveguide window, the top of one end of the anti-magnetic cover is fixedly connected with a filter, and a heat conduction structure for rapid heat dissipation is arranged outside the anti-magnetic box;

[0007] The heat conduction structure includes heat conduction sheets, the outside of the anti-magnetic box is fixedly connected with heat conduction sheets, and reinforcing angle seats are fixedly connected at the four corners outside the anti-magnetic box.

[0008] Preferably, the heat conduction sheets outside the anti-magnetic box are arranged at equal intervals, and the reinforcing angle seats outside the anti-magnetic box are arranged symmetrically.

[0009] Preferably, a positioning table is fixedly connected to one end inside the anti-magnetic box, a set of temperature control holes are respectively opened at the four corners of one end of the positioning table, a rubber strip is fixedly connected to one end of the positioning table, a set of grooves are respectively opened at the four corners of one end of the anti-magnetic cover, a fixing bolt is movably connected inside the groove, and the fixing bolt penetrates through the anti-magnetic cover and extends into the inside of the temperature control hole.

[0010] Preferably, the temperature control hole is in threaded connection with the fixing bolt, and the rubber strip is movably connected with the magnetic shielding cover.

[0011] Preferably, the center line of the positioning table is on the same horizontal plane as the center line of the magnetic shielding box, and the temperature control holes at one end of the positioning table are symmetrically arranged.

[0012] Preferably, installation grooves are fixedly connected to both sides inside the magnetic shielding box. An installation frame is movably connected inside the installation groove. Positioning holes are provided at the four corners at the top of the installation frame. A fixing cylinder is fixedly connected to the top of the installation groove. A pull ring is movably connected to the top of the fixing cylinder. A positioning insertion rod is fixedly connected to the bottom end of the pull ring. The positioning insertion rod penetrates through the top of the fixing cylinder and extends into the inside of the fixing cylinder. A fixing piece is fixedly connected to the outside of the positioning insertion rod. A top spring is fixedly connected to the top of the fixing piece.

[0013] Preferably, the positioning insertion rod penetrates through the top of the installation groove and extends into the positioning hole, and the positioning hole is movably connected with the positioning insertion rod.

[0014] Preferably, the top spring is fixedly connected to the fixing cylinder, and the fixing cylinder is communicated with the inside of the installation groove.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The magnetic shielding structure for an electric vehicle controller not only realizes rapid heat dissipation, ensures sealing to prevent water ingress and moisture, but also realizes convenient disassembly and assembly of the circuit board;

[0016] By providing a magnetic shielding box, a heat conducting sheet and a reinforcing angle seat, after installation of this structure, the heat generated by the operation of the electric vehicle controller components inside will diffuse into the air inside the magnetic shielding box. The magnetic shielding box made of metal contacts the internal air and can continuously absorb the heat inside the magnetic shielding box, and then conducts the heat out through the heat conducting sheet outside the magnetic shielding box. The heat conducting sheet contacts the external air and can quickly conduct the heat out, thereby reducing the temperature inside the magnetic shielding box. Moreover, the reinforcing angle seat outside the magnetic shielding box can support the magnetic shielding box to prevent the heat conducting sheet from deforming and affecting the heat dissipation effect, realizing rapid heat dissipation during operation;

[0017] By providing a groove, a fixing bolt, a positioning table, a rubber strip and a temperature control hole, during installation, the magnetic shielding cover is attached to the inside of the magnetic shielding box. At the same time, the positioning table inside the magnetic shielding box can support the magnetic shielding cover, and the rubber strip at one end of the positioning table fits against one end of the magnetic shielding cover, which can effectively improve the sealing performance between the magnetic shielding cover and the positioning table to prevent water seepage at the gap and cause internal moisture. Then, the fixing bolt is passed through the groove and screwed into the temperature control hole, thereby positioning the magnetic shielding cover through the fixing bolt, realizing effective waterproof performance;

[0018] By providing an installation frame, an installation groove, positioning holes, positioning insertion rods, fixing pieces, ejecting springs, fixing cylinders and pull rings, when installing a circuit board, first install the circuit board on the top of the installation frame through fasteners. Then, pull the pull ring to drive the positioning insertion rod to rise, and insert the installation frame into the interior of the installation groove. Release the pull ring, and under the push of the ejecting spring, the positioning insertion rod is pushed out through the fixing piece and inserted into the interior of the positioning hole, thereby positioning the installation frame through the positioning hole, realizing convenient disassembly and assembly of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front sectional structure schematic diagram of the present utility model;

[0020] Figure 2 is a front sectional structure schematic diagram of the magnetic shielding box of the present utility model;

[0021] Figure 3 of the present utility model Figure 2 is an enlarged structure schematic diagram at A in;

[0022] Figure 4 is a top sectional structure schematic diagram of the installation frame of the present utility model.

[0023] In the figure: 1, magnetic shielding cover; 2, magnetic shielding box; 3, heat conducting sheet; 4, waveguide window; 5, reinforcing angle seat; 6, groove; 7, fixing bolt; 8, filter; 9, positioning table; 10, rubber strip; 11, temperature control hole; 12, installation frame; 13, installation groove; 14, positioning hole; 15, positioning insertion rod; 16, fixing piece; 17, ejecting spring; 18, fixing cylinder; 19, pull ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-4 , a magnetic shielding structure for an electric vehicle controller, including a magnetic shielding cover 1, the outside of the magnetic shielding cover 1 is movably connected with a magnetic shielding box 2, one end of the magnetic shielding cover 1 is fixedly connected with a waveguide window 4, the top of one end of the magnetic shielding cover 1 is fixedly connected with a filter 8, and a heat dissipation structure for rapid heat dissipation is arranged outside the magnetic shielding box 2;

[0026] The heat dissipation structure includes a heat conducting sheet 3, the outside of the magnetic shielding box 2 is fixedly connected with the heat conducting sheet 3, and reinforcing angle seats 5 are fixedly connected at the four corners outside the magnetic shielding box 2;

[0027] The heat-conducting fins 3 outside the magnetic shielding box 2 are arranged at equal intervals, and the reinforcing angle seats 5 outside the magnetic shielding box 2 are arranged symmetrically.

[0028] Specifically, as Figure 1 shown, after the structure is installed, the heat generated by the operation of the electric vehicle controller components inside will diffuse into the air inside the magnetic shielding box 2. The magnetic shielding box 2 made of metal contacts the internal air and can continuously absorb the heat inside the magnetic shielding box 2, and then conducts the heat out through the heat-conducting fins 3 outside the magnetic shielding box 2. The heat-conducting fins 3 contact the external air and can quickly conduct the heat out, thereby reducing the temperature inside the magnetic shielding box 2. And the reinforcing angle seats 5 outside the magnetic shielding box 2 can support the magnetic shielding box 2 to prevent the heat-conducting fins 3 from deforming and affecting the heat dissipation effect, realizing rapid heat dissipation during operation.

[0029] Embodiment 2: A positioning platform 9 is fixedly connected to one end inside the magnetic shielding box 2. A set of temperature control holes 11 are respectively opened at the four corners of one end of the positioning platform 9. A rubber strip 10 is fixedly connected to one end of the positioning platform 9. A set of grooves 6 are respectively opened at the four corners of one end of the magnetic shielding cover 1. A fixing bolt 7 is movably connected inside the groove 6. The fixing bolt 7 penetrates through the magnetic shielding cover 1 and extends into the inside of the temperature control hole 11.

[0030] The temperature control hole 11 is threadedly connected with the fixing bolt 7, and the rubber strip 10 is movably connected with the magnetic shielding cover 1.

[0031] The center line of the positioning platform 9 is on the same horizontal plane as the center line of the magnetic shielding box 2, and the temperature control holes 11 at one end of the positioning platform 9 are arranged symmetrically.

[0032] Specifically, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, during installation, the magnetic shielding cover 1 is attached to the inside of the magnetic shielding box 2. At the same time, the positioning platform 9 inside the magnetic shielding box 2 can support the magnetic shielding cover 1, and the rubber strip 10 at one end of the positioning platform 9 is attached to one end of the magnetic shielding cover 1, which can effectively improve the sealing performance between the magnetic shielding cover 1 and the positioning platform 9 to prevent water seepage at the gap and cause internal moisture. Then, the fixing bolt 7 is passed through the groove 6 and screwed into the inside of the temperature control hole 11, thereby positioning the magnetic shielding cover 1 through the fixing bolt 7, realizing effective waterproof performance.

[0033] Embodiment 3: Installation grooves 13 are fixedly connected to both sides inside the magnetic-proof box 2. An installation frame 12 is movably connected inside the installation groove 13. Positioning holes 14 are provided at the four corners of the top end of the installation frame 12. A fixed cylinder 18 is fixedly connected to the top end of the installation groove 13. A pull ring 19 is movably connected to the top end of the fixed cylinder 18. A positioning insertion rod 15 is fixedly connected to the bottom end of the pull ring 19. The positioning insertion rod 15 penetrates through the top end of the fixed cylinder 18 and extends into the inside of the fixed cylinder 18. A fixed piece 16 is fixedly connected to the outside of the positioning insertion rod 15. A top-out spring 17 is fixedly connected to the top end of the fixed piece 16;

[0034] The positioning insertion rod 15 penetrates through the top end of the installation groove 13 and extends into the inside of the positioning hole 14. The positioning hole 14 is movably connected to the positioning insertion rod 15;

[0035] The top-out spring 17 is fixedly connected to the fixed cylinder 18. The fixed cylinder 18 is connected to the inside of the installation groove 13 in a communicating manner;

[0036] Specifically, as Figure 2 、 Figure 3 and Figure 4 shown, when installing the circuit board, first install the circuit board on the top end of the installation frame 12 through fasteners, then pull the pull ring 19 to drive the positioning insertion rod 15 to rise, and then insert the installation frame 12 into the inside of the installation groove 13. Release the pull ring 19, and under the push of the top-out spring 17, the positioning insertion rod 15 is pushed out through the fixed piece 16 and inserted into the inside of the positioning hole 14, so as to position the installation frame 12 through the positioning hole 14, realizing convenient disassembly and assembly of the circuit board.

[0037] Working principle: When the utility model is in use, after the structure is installed, the heat generated by the operation of the electric vehicle controller components inside will spread to the air inside the magnetic shielding box 2. The magnetic shielding box 2 made of metal can continuously absorb the heat inside the magnetic shielding box 2 when it comes into contact with the internal air, and then conduct the heat out through the heat conducting fins 3 outside the magnetic shielding box 2. The heat conducting fins 3 can quickly conduct the heat out when they come into contact with the external air, thereby reducing the temperature inside the magnetic shielding box 2. Moreover, the reinforcing angle seats 5 outside the magnetic shielding box 2 can support the magnetic shielding box 2 to prevent the heat conducting fins 3 from deforming and affecting the heat dissipation effect. During installation, the magnetic shielding cover 1 is fitted inside the magnetic shielding box 2. At the same time, the positioning platform 9 inside the magnetic shielding box 2 can support the magnetic shielding cover 1, and the rubber strip 10 at one end of the positioning platform 9 is fitted against one end of the magnetic shielding cover 1, which can effectively improve the sealing performance between the magnetic shielding cover 1 and the positioning platform 9 to prevent water seepage at the gap and cause internal moisture. Then, the fixing bolt 7 is passed through the groove 6 and screwed into the temperature control hole 11, so as to position the magnetic shielding cover 1 through the fixing bolt 7. When the circuit board needs to be installed, first install the circuit board on the top of the installation frame 12 through fasteners, then pull the pull ring 19 to drive the positioning plug 15 to rise, and then insert the installation frame 12 into the installation slot 13. Release the pull ring 19, and under the push of the ejecting spring 17, the positioning plug 15 is pushed out through the fixing piece 16 and inserted into the positioning hole 14, so as to position the installation frame 12 through the positioning hole 14.

Claims

1. A magnetic shielding structure for an electric vehicle controller, comprising a magnetic shielding cover (1), characterized in that: The outside of the anti-magnetic cover (1) is movably connected to a magnetic shielding box (2), one end of the magnetic shielding cover (1) is fixedly connected to a waveguide window (4), the top of one end of the magnetic shielding cover (1) is fixedly connected to a filter (8), and the outside of the magnetic shielding box (2) is provided with a heat-conducting structure for rapid heat dissipation; The heat-conducting structure comprises a heat-conducting sheet (3), the heat-conducting sheet (3) is fixedly connected to the outside of the anti-magnetic box (2), and reinforced corner seats (5) are fixedly connected to the four corners of the outside of the anti-magnetic box (2).

2. The antimagnetic structure for an electric vehicle controller according to claim 1, characterized in that: The heat conducting sheets (3) outside the anti-magnetic box (2) are arranged at equal intervals, and the reinforced corner seats (5) outside the anti-magnetic box (2) are arranged symmetrically.

3. The antimagnetic structure for an electric vehicle controller according to claim 1, characterized in that: One end of the interior of the anti-magnetic box (2) is fixedly connected to a positioning platform (9), and a group of temperature control holes (11) are respectively opened at four corners of one end of the positioning platform (9). One end of the positioning platform (9) is fixedly connected to a rubber strip (10), and a group of grooves (6) are respectively opened at four corners of one end of the anti-magnetic cover (1), and the interior of the groove (6) is movably connected to a fixing bolt (7), and the fixing bolt (7) passes through the anti-magnetic cover (1) and extends to the interior of the temperature control hole (11).

4. The antimagnetic structure for an electric vehicle controller according to claim 3, characterized in that: The temperature control hole (11) is threadedly connected to the fixing bolt (7), and the rubber strip (10) is movably connected to the anti-magnetic cover (1).

5. The antimagnetic structure for an electric vehicle controller according to claim 3, characterized in that: The center line of the positioning platform (9) and the center line of the anti-magnetic box (2) are on the same horizontal plane, and the temperature control holes (11) at one end of the positioning platform (9) are arranged symmetrically.

6. The antimagnetic structure for an electric vehicle controller according to claim 1, characterized in that: The two sides of the anti-magnetic box (2) are fixedly connected with mounting grooves (13), the interior of the mounting grooves (13) is movably connected with a mounting frame (12), positioning holes (14) are provided at four corners of the top of the mounting frame (12), the top of the mounting grooves (13) is fixedly connected with a fixing tube (18), the top of the fixing tube (18) is movably connected with a pull ring (19), the bottom of the pull ring (19) is fixedly connected with a positioning rod (15), the positioning rod (15) passes through the top of the fixing tube (18) and extends to the inside of the fixing tube (18), the outside of the positioning rod (15) is fixedly connected with a fixing plate (16), and the top of the fixing plate (16) is fixedly connected with an ejection spring (17).

7. The antimagnetic structure for an electric vehicle controller according to claim 6, characterized in that: The positioning rod (15) passes through the top end of the installation groove (13) and extends to the inside of the positioning hole (14); the positioning hole (14) is movably connected to the positioning rod (15).

8. The antimagnetic structure for an electric vehicle controller according to claim 6, characterized in that: The ejection spring (17) is fixedly connected to the fixing cylinder (18), and the fixing cylinder (18) is communicated with the interior of the installation groove (13).

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