Electric motorcycle controller

Abstract

The utility model discloses an electric motorcycle controller which comprises a base and a top cover installed on the base, a circuit board is installed on the upper side of the base, a first sealing assembly is arranged at the connecting position of the base and the top cover and comprises a sealing pressing strip, a water retaining wall and a reverse buckling groove, a first concave sealing groove is formed in the upper surface of the base, and a second concave sealing groove is formed in the lower surface of the base. The first concave sealing groove is filled with the sealing pressing strip, the water retaining wall is fixedly arranged on the upper surface of the base along the edge of the inner side of the concave sealing groove, the inner wall of the top cover is provided with an inverted-L-shaped reverse buckling groove matched with the water retaining wall, and the top side of the top cover is provided with a first convex sealing strip corresponding to the first concave sealing groove. The device reduces the size of the controller under the condition of ensuring the waterproof performance; by improving the heat dissipation device, the heat dissipation capability of the electric motorcycle controller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of controllers, in particular to an electric motorcycle controller. Background Art

[0002] According to the concept of implementing low-carbon environmental protection, electric motorcycles have the characteristics of environmental protection, low pollution and high power. There are a large number of electronic devices inside the motor controller. These electronic components will generate a lot of heat when working. The heat dissipation method of the controller is usually air cooling. If the controller is placed inside the electric motorcycle, the controller cannot effectively dissipate heat, which reduces the service life of the controller. The controller is placed diagonally below the electric vehicle in the windward direction. The controller can effectively dissipate heat. For controllers placed outside, especially in off-road motorcycles or in high humidity environments, it is necessary to waterproof the entire controller, especially the wiring part, to prevent water from entering the controller. However, the existing controllers have poor waterproof performance, or waterproofing through cable glands increases the size of the controller, increasing the production cost of the motorcycle. For this reason, an electric motorcycle controller is needed. Utility Model Content

[0003] The utility model aims at the shortcomings of the above-mentioned electric motorcycle controller and proposes a waterproof method through a sealing plug, thereby reducing the volume of the controller while ensuring the waterproof performance; and improving the heat dissipation capacity of the electric motorcycle controller by improving the heat dissipation device.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] An electric motorcycle controller comprises a base and a top cover mounted on the base, a circuit board is mounted on the upper side of the base, a first sealing assembly is provided at the connection between the base and the top cover, the first sealing assembly comprises a sealing strip, a water retaining wall and a reverse buckle groove, a first concave sealing groove is provided on the upper surface of the base, the sealing strip fills the first concave sealing groove, the water retaining wall is fixedly arranged on the upper surface of the base along the inner edge of the concave sealing groove, an inverted L-shaped reverse buckle groove is provided on the inner wall of the top cover in coordination with the water retaining wall, a first convex sealing strip is provided on the top side of the top cover corresponding to the first concave sealing groove, and a power line connection assembly and a signal line connection assembly which match the circuit board are provided on the top cover.

[0006] Preferably, the power cord connection assembly includes a power cord trough, a waterproof cover, a second sealing assembly and a third sealing assembly. A through hole is provided at the bottom of the power cord trough. The second sealing assembly includes a second concave sealing groove and a waterproof cover sealing ring. The second concave sealing groove is arranged along the edge of the notch of the power cord trough. The waterproof cover sealing ring is placed on the lower surface of the waterproof cover and crimped into the second concave sealing groove. A plurality of truncated cone-shaped wire holes are provided on the top cover. The truncated cone-shaped wire holes are connected to the power cord trough. The third sealing assembly is arranged on the truncated cone-shaped wire holes.

[0007] Preferably, the third sealing assembly includes a wire retaining ring and a sealing plug, the sealing plug is a truncated cone-shaped structure adapted to the truncated cone-shaped wire passing hole, the wire retaining ring is integrally formed on the inner wall of the truncated cone-shaped wire passing hole, the radial outer wall of the sealing plug is provided with an annular groove matching the wire retaining ring, and the inner wall of the sealing plug is provided with a plurality of sealing plug waterproof rings.

[0008] Preferably, a fourth sealing assembly is provided at the through hole, and the fourth sealing assembly includes an annular boss and a T-shaped sealing sleeve. The annular boss is fixedly provided at the through hole with the center lines coinciding, and the T-shaped sealing sleeve is installed in the annular boss. An inverted U-shaped anti-backflow groove is provided at the top of the T-shaped sealing sleeve, and the top of the annular boss is inserted into the anti-backflow groove.

[0009] Preferably, the signal line connection assembly includes a waterproof convex ring, a signal line end cover and a rubber gasket, the top cover is provided with a signal line hole, the signal line hole corresponds to the signal end of the circuit board, the waterproof convex ring is fixedly arranged at the signal line hole, the rubber gasket is sleeved on the waterproof convex ring, and the signal line end cover is fixed at the signal line hole.

[0010] Preferably, a glue filling port is provided on the top cover, and a limiting groove is provided on the top cover. The limiting groove is arranged around the glue filling port, and the glue filling port sealing plate cover is connected to the limiting groove.

[0011] Preferably, a glue pouring observation window is provided on the side wall of the top cover.

[0012] Preferably, a heat dissipation assembly is provided on the lower surface of the base, and the heat dissipation assembly includes a first heat dissipation bar and a second heat dissipation bar, a plurality of the first heat dissipation bars are arranged in parallel at the center of the base, and the second heat dissipation bars are arranged on both sides of the base.

[0013] Preferably, a plurality of reinforcing columns are provided on the circuit board, and the tops of the reinforcing columns are fixedly connected to the top cover.

[0014] The utility model has the following characteristics and beneficial effects:

[0015] By adopting the above technical scheme, the utility model enhances the waterproof performance of the device by setting a sealing component and a unique sealing plug, thereby extending the service life of the device. At the same time, when installing the waterproof cover and the line terminal, the waterproof performance of the device is enhanced by the set sealing structure, and the set heat dissipation component facilitates the heat dissipation of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a schematic diagram of the overall structure of the electric motorcycle controller proposed by the utility model.

[0018] Figure 2 This is an exploded view of the overall structure of the electric motorcycle controller proposed in the utility model.

[0019] Figure 3 This is an overall cross-sectional view of the electric motorcycle controller proposed by the utility model.

[0020] Figure 4 The utility model discloses a first and a second sealing assembly of an electric motorcycle controller.

[0021] Figure 5 These are the third and fourth sealing components of the electric motorcycle controller proposed by the utility model.

[0022] Figure 6 This is a top cover diagram of the electric motorcycle controller proposed by the utility model.

[0023] Figure 7 This is a base diagram of the electric motorcycle controller proposed in the utility model.

[0024] In the figure: 1, base; 2, heat dissipation component; 3, circuit board; 4, conductive column; 5, waterproof cover; 6, first sealing component; 61, sealing pressure strip; 62, water retaining wall; 63, reverse buckle groove; 7, first heat dissipation strip; 8, second heat dissipation strip; 9, first concave sealing groove; 10, top cover; 11, first convex sealing strip; 12, signal line end cover; 13, second sealing component; 131, second concave sealing groove; 132, waterproof cover sealing ring; 14, third sealing component; 141, truncated cone type wire hole; 142, wire retaining ring; 15, glue filling port ; 16. Limiting groove; 17. Cold-pressed terminal; 18. Fourth sealing component; 181. Through hole; 182. Annular boss; 183. T-type sealing sleeve; 184. Anti-backflow groove; 19. Glue pouring observation window; 20. Sealing gasket; 21. Nameplate; 22. Sealing plug; 23. Annular groove; 24. Sinking groove; 25. Base threaded hole; 26. Circuit board threaded hole; 27. Lifting hole; 28. Waterproof convex ring; 30. Convex waterproof groove; 31. Sealing plug waterproof ring; 32. Rubber gasket; 33. Cylindrical reinforcement; 34. Glue pouring port sealing plate. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The utility model provides an electric motorcycle controller, such as Figure 1-Figure 7 As shown, it includes a base 1, and a heat dissipation component 2 is arranged on the outer side of the base 1. The heat dissipation component 2 includes a first heat dissipation bar 7 fixed in the center of the bottom of the base 1, and second heat dissipation bars 8 on both sides of the bottom of the base 1. When the wind enters from the front during the driving process of the vehicle, it mainly passes through the air duct formed by the first heat dissipation bar 7 to take away the heat on the surface of the first heat dissipation bar. When the wind enters from the side, it mainly passes through the air duct formed by the second heat dissipation bar 8. Taking into account the heat dissipation capacity and production cost of metal, aluminum plate is used as the production material of the base to enhance the heat dissipation capacity of the electric motorcycle controller.

[0029] Furthermore, a sinking groove 24 is provided inside the base 1, and a circuit board 3 is fixed inside the sinking groove 24. In order to reduce the overall volume of the electric motorcycle controller, the surface of the base 1 is sunken, so that the circuit board 3 sinks into the inside of the base 1, which reduces the overall height of the electric motorcycle controller while increasing the contact area between the circuit board and the base, thereby improving the heat dissipation performance of the electric motorcycle controller; the installation position of the conductive column 4 and the cold-pressed terminal 17 is inside the electric motorcycle controller, which can not only improve the waterproof ability of the electric motorcycle controller, but also effectively reduce the overall height of the electric motorcycle controller.

[0030] Furthermore, a conductive column 4 is fixed on the top of the circuit board 3, and a top cover 10 is provided on the top of the base 1. A first sealing component 6 is provided at the connection between the base 1 and the top cover 10, and the first sealing component 6 includes a sealing strip 61, a water retaining wall 62 and a buckle groove 63. A first concave sealing groove 9 is provided on the upper surface of the base 1, and the sealing strip 61 fills the first concave sealing groove 9. The water retaining wall 62 is fixedly provided on the upper surface of the base 1 along the inner edge of the first concave sealing groove 9. An inverted L-shaped buckle groove 63 is provided on the inner wall of the top cover 10 in coordination with the water retaining wall 62, and a first convex sealing strip 11 is provided on the top side of the top cover 10 corresponding to the first concave sealing groove 9. A first convex sealing strip 11 is fixed to the bottom end of the top cover 10 for use with the concave sealing groove. A matching sealing strip 61 is installed between the first concave sealing groove and the convex sealing strip. The pressure applied by the bolts enables the sealing assembly 6 to achieve a sealing effect. The electric motorcycle controller may be in a high-frequency oscillation environment, which may cause the bolts to loosen and reduce the sealing effect. There is an inherent water retaining wall 62 on the top of the base, and reverse grooves 63 are fixed around the inside of the top cover for use with the water retaining wall 62. When the bolts are loosened and the waterproof ability is reduced, the sealing type of the matching water retaining wall 62 and the reverse groove 63 can effectively prevent water droplets from entering the controller.

[0031] Furthermore, the top cover 10 is provided with a power line connection component and a signal line connection component that match the circuit board 3 .

[0032] Specifically, the power cord connection assembly includes a power cord trough, a waterproof cover 5, a second sealing assembly 13 and a third sealing assembly 14. A through hole 181 is provided at the bottom of the power cord trough. The second sealing assembly 13 includes a second concave sealing groove 131 and a waterproof cover sealing ring 30. The second concave sealing groove 131 is arranged along the edge of the notch of the power cord trough. The waterproof cover sealing ring 132 is placed on the lower surface of the waterproof cover 5 and crimped into the second concave sealing groove 131.

[0033] The top cover 10 is provided with a plurality of truncated cone-shaped wire-passing holes 141, and the truncated cone-shaped wire-passing holes 141 are connected to the wire-passing groove of the power line. The third sealing component 14 is arranged on the truncated cone-shaped wire-passing hole 141. The third sealing component 14 includes a wire-blocking ring 142 and a sealing plug 22, and the sealing plug 22 is a truncated cone-shaped structure adapted to the truncated cone-shaped wire-passing hole 141, and the wire-blocking ring 142 is integrally formed on the inner wall of the truncated cone-shaped wire-passing hole 141, and the radial outer wall of the sealing plug 22 is provided with an annular groove 23 matched with the wire-blocking ring 142, and the inner wall of the sealing plug 22 is provided with a plurality of sealing plug waterproof rings 31.

[0034] It is worth mentioning that when the inherent wire retaining ring 142 inside the truncated cone-shaped wire passing hole 141 is installed with the sealing plug 22, the annular groove 23 on the surface of the sealing plug 22 is installed in cooperation with the wire retaining ring 142, and the cable is installed with the truncated cone-shaped wire passing hole 141 through the sealing plug waterproof ring 31 inside the sealing plug 22. The wedge-shaped structure formed helps to enhance the firmness of the installation. The annular groove 23, the wire retaining ring, the sealing plug waterproof ring 31 and the cable are tightly fitted under the action of pressure. Even if the electric motorcycle controller sinks into the water within half a meter in a short time, the water pressure will further press the sealing plug 22 and the truncated cone-shaped wire passing hole 141 tightly due to the principle of the wedge-shaped structure, thereby playing a waterproof role.

[0035] Furthermore, a fourth sealing assembly 18 is provided at the through hole 181, and the fourth sealing assembly 18 includes an annular boss 182 and a T-shaped sealing sleeve 183. The annular boss 182 is fixedly provided at the through hole 181, and the center lines coincide with each other. The T-shaped sealing sleeve 183 is installed in the annular boss 182, and an inverted U-shaped anti-backflow groove 184 is provided at the top of the T-shaped sealing sleeve 183. The top of the annular boss 182 is inserted into the anti-backflow groove 184.

[0036] It can be understood that the conductive column on the circuit board 3 extends to the T-shaped sealing sleeve 183, and the T-shaped sealing sleeve 183 seals the space between the through hole 181 and the conductive column 4 by extrusion force. The anti-backflow groove 184 and the annular boss 182 on the inner side of the T-shaped sealing sleeve 183 prevent water from flowing into the through hole 181, thereby achieving an ideal sealing effect.

[0037] The signal line connection assembly includes a waterproof convex ring 28, a signal line end cover 12 and a rubber gasket 32. The top cover 10 is provided with a signal line hole, and the signal line hole corresponds to the signal end of the circuit board 3. The waterproof convex ring 28 is fixedly arranged at the signal line hole, the rubber gasket 32 ​​is sleeved on the waterproof convex ring 28, and the signal line end cover 12 is fixed at the signal line hole.

[0038] In addition, the signal line passes through the signal line end cover 12 and is connected to the signal line terminal inside the circuit board 3. After ensuring the length of the signal line, the surface of the signal line end cover 12 is sealed with glue, and a rubber gasket 32 ​​is placed between the signal line end cover 12 and the top cover 10. The signal line end cover 12 and the top cover 10 are tightly connected by screws to play a sealing role. In order to prevent excessive thread torque from damaging the surface of the controller, a cylindrical reinforcement rib 33 is set inside the controller.

[0039] A further arrangement of this embodiment is that, after the glue filling is completed, the sealing gasket 20 and the glue filling port 15 are completely sealed with waterproof glue to achieve a waterproof effect. The glue filling observation window 19 is sealed in a sampling manner. Considering the appearance of the electric motorcycle controller, the glue filling observation window is waterproofed and then a nameplate 21 is affixed to its surface. The nameplate 21 marks the relevant parameters of the electric motorcycle controller.

[0040] Furthermore, unlike conventional wiring terminals, the utility model connects the signal wire directly to the signal terminal on the circuit through the signal end cover 12, thereby effectively reducing the overall height of the electric motorcycle controller.

[0041] In order to reduce the volume of the electric scooter control, a base threaded hole 25 is opened at the bottom of the base 1, and the screws are installed from the bottom to the top from the bottom of the base, so that the screw cap, spring washer and flat spring washer are sunk into the base to reduce the overall volume of the electric scooter.

[0042] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principles and spirit of the present invention, various changes, modifications, substitutions and variations of these embodiments including components still fall within the scope of protection of the present invention.

Claims

1. An electric motorcycle controller, characterized in that: The invention comprises a base (1) and a top cover (10) mounted on the base (1), a circuit board (3) being mounted on the upper side of the base (1), a first sealing component (6) being provided at the connection between the base (1) and the top cover (10), the first sealing component (6) comprising a sealing strip (61), a water retaining wall (62) and a buckle groove (63), a first concave sealing groove (9) being provided on the upper surface of the base (1), the sealing strip (61) filling the first concave sealing groove (9), the water retaining wall (62) being fixedly arranged on the upper surface of the base (1) along the inner edge of the first concave sealing groove (9), an inverted L-shaped buckle groove (63) being provided on the inner wall of the top cover (10) in coordination with the water retaining wall (62), a first convex sealing strip (11) being provided on the top side of the top cover (10) corresponding to the first concave sealing groove (9), and a power line connection component and a signal line connection component matching the circuit board (3) being provided on the top cover (10).

2. An electric motorcycle controller according to claim 1, characterized in that: The power line connection assembly comprises a power line trough, a waterproof cover (5), a second sealing assembly (13) and a third sealing assembly (14); a through hole (181) is provided at the bottom of the power line trough; the second sealing assembly (13) comprises a second concave sealing groove (131) and a waterproof cover sealing ring (132); the second concave sealing groove (131) is arranged along the edge of the notch of the power line trough; the waterproof cover sealing ring (132) is placed on the lower surface of the waterproof cover (5) and is crimped into the second concave sealing groove (131); a plurality of truncated cone-shaped wire holes (141) are provided on the top cover (10); the truncated cone-shaped wire holes (141) are connected to the power line trough; and the third sealing assembly (14) is arranged on the truncated cone-shaped wire holes (141).

3. An electric motorcycle controller according to claim 2, characterized in that: The third sealing assembly (14) comprises a wire retaining ring (142) and a sealing plug (22); the sealing plug (22) is a truncated cone-shaped structure adapted to the truncated cone-shaped wire through hole (141); the wire retaining ring (142) is integrally formed on the inner wall of the truncated cone-shaped wire through hole (141); the radial outer wall of the sealing plug (22) is provided with an annular groove (23) adapted to match the wire retaining ring (142); and the inner wall of the sealing plug (22) is provided with a plurality of sealing plug waterproof rings (31).

4. An electric motorcycle controller according to claim 2, characterized in that: A fourth sealing assembly (18) is arranged at the through hole (181), and the fourth sealing assembly (18) comprises an annular boss (182) and a T-shaped sealing sleeve (183). The annular boss (182) is fixedly arranged at the through hole (181) with the center lines overlapping. The T-shaped sealing sleeve (183) is installed in the annular boss (182). An inverted U-shaped backflow prevention groove (184) is arranged at the top of the T-shaped sealing sleeve (183), and the top of the annular boss (182) is inserted into the backflow prevention groove (184).

5. The electric motorcycle controller according to claim 1, characterized in that: The signal line connection assembly comprises a waterproof convex ring (28), a signal line end cover (12) and a rubber gasket (32); the top cover (10) is provided with a signal line hole, the signal line hole corresponds to the signal end of the circuit board (3); the waterproof convex ring (28) is fixedly arranged at the signal line hole, the rubber gasket (32) is sleeved on the waterproof convex ring (28), and the signal line end cover (12) is fixed at the signal line hole.

6. An electric motorcycle controller according to claim 1, characterized in that: The top cover (10) is provided with a glue pouring port (15), and the top cover (10) is provided with a limiting groove (16), and the limiting groove (16) is arranged around the glue pouring port (15).

7. An electric motorcycle controller according to claim 1, characterized in that: A glue pouring observation window (19) is provided on the side wall of the top cover (10).

8. The electric motorcycle controller according to claim 1, characterized in that: A heat dissipation assembly (2) is arranged on the lower surface of the base (1), the heat dissipation assembly comprising a first heat dissipation bar (7) and a second heat dissipation bar (8), a plurality of the first heat dissipation bars (7) are arranged in parallel at a central position of the base (1), and the second heat dissipation bars (8) are arranged on both sides of the base (1).

9. An electric motorcycle controller according to claim 1, characterized in that: A plurality of reinforcement columns (33) are provided on the circuit board (3), and the tops of the reinforcement columns (33) are fixedly connected to the top cover (10).

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