Electric vehicle controller capable of fixing mos tube

Abstract

The utility model relates to the technical field of electric vehicle controllers, in particular to an electric vehicle controller capable of fixing mos tubes, which comprises a base and an upper cover, a circuit board is arranged in the base, and a plurality of mos tubes are connected onto the circuit board; a buckle mechanism which is detachably matched is arranged between the base and the upper cover, the buckle mechanism comprises a male buckle and a female buckle, the male buckle is arranged on the edge of the upper cover, the female buckle is arranged on the edge of the base, and when the upper cover is covered relative to the base, the male buckle is buckled with the female buckle to form reliable connection; the lower end of the upper cover is provided with a rib of a long-strip-shaped structure, and the rib is pressed and contacted with the upper end of the mos tube. Due to the design of the buckle structure, connection can be formed between the upper cover and the base, and pressing force can be provided; through the design of the ribs, the mos tube can be pressed, contacted and fixed by means of pressing force provided when the buckle structure is buckled, so that the mounting reliability of electronic components in the controller is improved, and the use effect of the controller is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle controllers, in particular to an electric vehicle controller capable of fixing a MOS tube. Background Art

[0002] The electric vehicle controller is the core control device that controls the start, operation, advance and retreat, speed, stop and other electronic devices of the electric vehicle motor. It is equivalent to the "brain" of the electric vehicle and is a very important component of the electric vehicle. In the electric vehicle controller, MOS field effect tubes are usually used to control the start and stop, speed regulation and power output of the motor.

[0003] In the prior art, the MOS tube of the electric vehicle controller is connected to the circuit board only by soldering. During use, the connection between the MOS tube and the circuit board is easy to loosen, affecting the reliability of the controller control signal transmission. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide an electric vehicle controller that can fix the MOS tube, so as to solve the problem that the MOS tube in the prior art is easily loosened when connected to the circuit board only by soldering.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides an electric vehicle controller capable of fixing a MOS tube, comprising a base and an upper cover covering the upper end of the base, wherein a circuit board is arranged in the base, and a plurality of MOS tubes are connected to the circuit board;

[0006] A detachable buckle mechanism is provided between the base and the upper cover, the buckle mechanism includes a male buckle and a female buckle, the female buckle includes a buckle groove and a buckle head, the male buckle is provided at the edge of the base, the female buckle is provided at the edge of the upper cover, and when the upper cover is closed relative to the base, the male buckle is buckled into the buckle groove of the female buckle and is mutually limited with the buckle head to form a reliable connection;

[0007] The lower end of the upper cover is provided with a rib, and when the upper cover is closed relative to the base, the rib presses against the upper end of the MOS tube;

[0008] The ribs are configured as long strip structures capable of simultaneously pressing and contacting a plurality of MOS tubes located in the same row.

[0009] In one embodiment of the present invention, a silicone gasket is provided at the upper end of the MOS tube, and the silicone gasket is used to provide a buffer when the rib presses against the MOS tube.

[0010] In one embodiment of the present invention, at least four snap-fit ​​mechanisms are provided, and the plurality of snap-fit ​​mechanisms cooperate to circumferentially fix the upper cover to cover the base.

[0011] In one embodiment of the present invention, at least two ribs are provided for pressing against a plurality of MOS tubes in the same row.

[0012] In an embodiment of the present invention, the base is cast by aluminum alloy material.

[0013] In an embodiment of the present invention, the upper cover is injection molded using a plastic material with elastic deformation function.

[0014] In an embodiment of the present invention, a heat dissipation fin is disposed on a side end of the base.

[0015] As described above, the electric vehicle controller capable of fixing the MOS tube of the utility model has the following beneficial effects:

[0016] The utility model provides a snap mechanism, which can form a reliable connection between the upper cover and the base, and at the same time, can provide a clamping force when the snap mechanism is buckled; by providing a rib with a long strip structure at the lower end of the upper cover, the clamping force provided by the snap mechanism when it is buckled can make the rib tightly press against the upper end of the MOS tube, thereby improving the reliability of the connection between the MOS tube and the circuit board, and then improving the reliability of control signal transmission; the rib pressing the MOS tube can simultaneously press the circuit board, so that the circuit board fits the base more closely, and the assembly effect is improved; by providing a silicone gasket, the silicone gasket can provide a buffer when the rib presses the MOS tube, avoiding the rib directly pressing the MOS tube and causing damage to the electronic components; by providing a heat dissipation fin at the side end of the base, the heat exchange efficiency between the controller and the surrounding environment can be effectively improved, and the use effect of the controller can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The diagram shows a top view of the structure of the present invention.

[0018] Figure 2 Display as Figure 1 Schematic diagram of the cross-sectional structure of AA.

[0019] Figure 3 Display as Figure 2 Enlarged view of point C in the middle.

[0020] Figure 4 Shown is a side structural schematic diagram of the utility model.

[0021] Figure 5 Display as Figure 4 Schematic diagram of the cross-sectional structure of the BB

[0022] Component number description

[0023] Base 1; upper cover 2; circuit board 3; MOS tube 4; male buckle 5; female buckle 6; buckle groove 61; buckle head 62; rib 7; silicone gasket 8; heat sink fin 9. DETAILED DESCRIPTION

[0024] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0025] See also Figures 1 to 5 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0026] See also Figure 1-5 The utility model provides an electric vehicle controller capable of fixing a MOS tube, comprising a base 1 and an upper cover 2 covering the upper end of the base 1, wherein the base 1 is cast by an aluminum alloy material, and the upper cover 2 is injection molded by a plastic material with an elastic deformation function; a circuit board 3 is arranged in the base 1, and a plurality of MOS tubes 4 are connected to the circuit board 3; a heat dissipation fin 9 is arranged at a side end of the base 1, and the heat dissipation fin 9 can effectively improve the heat exchange efficiency between the controller and the surrounding environment, and improve the heat dissipation effect of the product.

[0027] A detachable snap-fitting mechanism is provided between the base 1 and the upper cover 2, and the snap-fitting mechanism includes a male snap 5 and a female snap 6. The male snap 5 is provided at the edge of the base 1, and the female snap 6 is provided at the edge of the upper cover 2. When the upper cover 2 is covered relative to the base 1, a reliable connection is formed by the male snap 5 snapping with the female snap 6. Specifically, the female snap 6 includes a snap groove 61 and a snap head 62. The male snap 5 is snapped into the snap groove 61 to form a mutual limit with the snap head 62. The upper end surface of the male snap 5 and the lower end surface of the snap head 62 are both set as inclined surfaces with the same inclination direction, so that a clamping force can be provided when the snap-fitting mechanism is snapped. At least four snap-fitting mechanisms are provided, and the plurality of snap-fitting mechanisms cooperate to circumferentially fix the upper cover 2 to cover the base 1, thereby further providing a connection effect between the base 1 and the upper cover 2.

[0028] The lower end of the upper cover 2 is provided with a rib 7, and when the upper cover 2 is closed relative to the base 1, the rib 7 is pressed against the upper end of the MOS tube 4; the pressing force provided by the buckle mechanism when buckled can make the rib 7 tightly pressed against the upper end of the MOS tube 4, thereby improving the reliability of the connection between the MOS tube 4 and the circuit board 3, and then improving the reliability of the control signal transmission; the rib 7 pressing the MOS tube 4 can simultaneously press the circuit board 3, so that the circuit board 3 is more closely fitted to the base 1, and the assembly effect is improved; the rib 7 is set to be a long strip structure that can simultaneously press the multiple MOS tubes 4 located in the same row, so as to realize the large-span press-contact fixing of the MOS tube 4; at least two of the ribs 7 that press the multiple MOS tubes 4 in the same row are provided, and the multiple ribs 7 can improve the press-contact fixing effect of the MOS tube 4, and a silicone gasket 8 is provided at the upper end of the MOS tube 4, and the silicone gasket 8 is used to provide a buffer when the rib 7 presses the MOS tube 4, so as to avoid the rib 7 directly pressing the MOS tube 4 and causing damage to the electronic components.

[0029] In summary, the electric vehicle controller that can fix the MOS tube provided by the utility model has a buckle mechanism design that can form a connection between the upper cover 2 and the base 1 and provide a clamping force; the design of the rib 7 can press and touch the fixed MOS tube 4 with the help of the clamping force provided by the buckle mechanism when buckled, thereby improving the reliability of the installation of electronic components in the controller; the setting of the silicone gasket 8 can provide a buffer when the rib 7 presses the MOS tube 4; the setting of the heat dissipation fin 8 can improve the heat dissipation effect of the product. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0030] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An electric vehicle controller capable of fixing a MOS tube, comprising a base (1) and an upper cover (2) covering the upper end of the base (1), wherein a circuit board (3) is arranged in the base (1), and a plurality of MOS tubes (4) are connected to the circuit board (3); Features: A detachable buckle mechanism is provided between the base (1) and the upper cover (2), the buckle mechanism comprising a male buckle (5) and a female buckle (6), the female buckle (6) comprising a buckle groove (61) and a buckle head (62), the male buckle (5) being arranged at the edge of the base (1), the female buckle (6) being arranged at the edge of the upper cover (2), and when the upper cover (2) is closed relative to the base (1), the male buckle (5) is buckled into the buckle groove (61) of the female buckle (6) and the buckle head (62) are mutually limited to form a reliable connection; The lower end of the upper cover (2) is provided with a rib (7), and when the upper cover (2) is closed relative to the base (1), the rib (7) presses against the upper end of the MOS tube (4); The ribs (7) are arranged as a long strip structure capable of simultaneously pressing a plurality of MOS tubes (4) located in the same row.

2. The electric vehicle controller capable of fixing MOS tube according to claim 1 is characterized in that: A silicone gasket (8) is provided at the upper end of the MOS tube (4), and the silicone gasket (8) is used to provide a buffer when the rib (7) presses against the MOS tube (4).

3. The electric vehicle controller capable of fixing MOS tube according to claim 1 is characterized in that: At least four snap-fit ​​mechanisms are provided, and the plurality of snap-fit ​​mechanisms cooperate to circumferentially fix the upper cover (2) to cover the base (1).

4. The electric vehicle controller capable of fixing MOS tube according to claim 1, characterized in that: At least two ribs (7) are provided for pressing against a plurality of MOS tubes (4) in the same row.

5. The electric vehicle controller capable of fixing MOS tube according to claim 1, characterized in that: The base (1) is cast from an aluminum alloy material.

6. The electric vehicle controller capable of fixing MOS tube according to claim 5, characterized in that: The upper cover (2) is injection-molded using a plastic material having an elastic deformation function.

7. The electric vehicle controller capable of fixing MOS tube according to claim 1, characterized in that: The side end of the base (1) is provided with a heat dissipation fin (9).

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