Heat dissipation device for controller of electric bicycle

Abstract

The utility model provides an electric bicycle controller heat dissipation device, which belongs to the technical field of controller heat dissipation and comprises a controller box body. The upper box cover is fixed at the top of the controller box body through a screw; the side box cover is fixed on the outer wall of one side of the controller box body through screws; the box body side opening is formed in the position, close to one side of the side box cover, of the outer side wall of the controller box body; the side extending convex body part is integrally formed on the inner side wall of the controller box body; the inner flow guide groove I is formed in the side extending convex body part; the outer diversion trench I is formed in the position, close to the horizontal side of the inner diversion trench I, of the outer side wall of the controller box body; according to the utility model, the side extending convex body part and the top extending convex body part are embedded into the internal space of the controller box body, so that the side extending convex body part and the top extending convex body part can be tightly attached to the outer side wall of the controller of the electric bicycle, and the contact surface between the controller box body and the controller and between the upper box cover and the controller is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to controller heat dissipation technical field, and specifically relates to a kind of electric bicycle controller heat dissipation device. BACKGROUND

[0002] Electric bicycle is a kind of electromechanical integration personal transport vehicle, which is based on common bicycle and equipped with auxiliary energy storage battery, motor, controller, storage battery, handlebar brake handle and display instrument system. During the operation of electric bicycle, the controller needs to be cooled to avoid overheating and shorten the service life.

[0003] The existing electric bicycle controller is generally installed in a dedicated box to ensure its waterproof capability. Since there is a gap between the outer wall of the controller and the inner wall of the box after the controller is installed in the box, air exists in the gap. As is known to all, air is a poor conductor of heat, and it is difficult to conduct heat. The heat generated by the operation of the controller can only be conducted through the contact surface between the bottom of the controller and the box, and the heat dissipation area is limited, thereby causing the problem of poor heat dissipation effect of the controller. The controller is prone to damage due to high temperature, which affects the service life of the controller.

[0004] Therefore, an electric bicycle controller heat dissipation device is proposed. SUMMARY

[0005] The utility model provides a kind of electric bicycle controller heat dissipation device, and its purpose is to solve the problem proposed above.

[0006] The utility model embodiment provides a kind of electric bicycle controller heat dissipation device, including controller box body;Upper box cover is fixed to the top of the controller box body by screw;And side box cover is fixed to the outer wall of the controller box body on one side by screw;Box body side opening is opened in the outer wall of the controller box body near the side of the side box cover;Side extension convex body part is integrally formed in the inner wall of the controller box body;Inner flow groove one is opened in the inside of the side extension convex body part;Outer flow groove one is opened in the outer wall of the controller box body near the horizontal side position of inner flow groove one, and the outer flow groove one and inner flow groove one are communicated;Through groove is opened in the outer wall of the side box cover;Top extension convex body part is integrally formed in the bottom of the upper box cover near the inside of the controller box body;Inner flow groove two is opened in the top of the top extension convex body part;Outer flow groove two is opened in the top of the upper box cover near the position of the upper side of inner flow groove two;Electric bicycle controller mounting hole is opened in the bottom of the inside of the controller box body;Wire harness perforation is opened in the outer wall central position of the side box cover adjacent to through groove one side.

[0007] Further, the side extension convex part and the top extension convex part are embedded in close contact with the heat dissipation grooves on the outer side wall of the electric bicycle controller, and the outer side wall of the side extension convex part and the top extension convex part is provided with a round corner;

[0008] By adopting the above technical scheme, the round corners on the side extension convex part and the top extension convex part are used to avoid edges and corners, so as to avoid scratches and damage when the side extension convex part and the top extension convex part are attached to the electric bicycle controller.

[0009] Further, the recess formed by the communication of the inner flow guide groove one and the outer flow guide groove one is coincided with the through groove;

[0010] By adopting the above technical scheme, an air straight flow channel can be formed, so as to accelerate the flow of air on the outer side of the controller box body, improve the heat exchange rate, and realize rapid cooling of the controller installed in the controller box body.

[0011] Further, the two side ends of the top extension convex part close to the inner flow guide groove two are in a blocking state, and the outer flow guide groove two and the inner flow guide groove two are communicated;

[0012] By adopting the above technical scheme, the sealing property of the top extension convex part after being inserted into the controller box body can be ensured, and rainwater can be prevented from penetrating into the controller box body through the top extension convex part.

[0013] Further, the outer side wall of the controller box body is integrally formed with a boss for mounting and fixing at the bottom position;

[0014] By adopting the above technical scheme, the setting of the boss can facilitate the mounting and fixing of the controller box body, so as to mount and fix it on the electric bicycle.

[0015] Further, the electric bicycle controller is arranged in the controller box body, and the outer side wall of the electric bicycle controller is provided with a heat dissipation groove;

[0016] By adopting the above technical scheme, the heat dissipation device and the electric bicycle controller are in a matching state, so as to realize heat dissipation of the electric bicycle controller, and the controller box body and the upper box cover matched with the electric bicycle controller are customized.

[0017] The beneficial effects of the utility model are as follows:

[0018] This invention, through the embedding of side-extending protrusions and top-extending protrusions into the internal space of the controller housing, allows the side-extending protrusions and top-extending protrusions to fit tightly against the outer wall of the electric bicycle controller, increasing the contact surface between the controller housing and the upper cover and the controller, thereby increasing the heat conduction and heat dissipation area. Furthermore, the design of the airflow channels formed by the inner airflow channel one, outer airflow channel one, inner airflow channel two, and outer airflow channel two not only indirectly increases the contact area between the air and the controller, improving heat dissipation efficiency, but also accelerates the airflow on the outer side of the controller housing, further improving the heat dissipation effect and efficiency.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the mating structure of the controller box and side cover according to an embodiment of the present utility model;

[0023] Figure 3 This is a cross-sectional view of the upper box cover according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the upper box cover structure according to an embodiment of the present utility model;

[0025] Figure 5 This is an embodiment of the present utility model. Figure 1 Enlarged view of point A in the image;

[0026] Reference numerals in the attached drawings: 1. Controller housing; 2. Top cover; 3. Side cover; 4. Side opening of the housing; 5. Side extension protrusion; 6. Inner guide channel one; 7. Outer guide channel one; 8. Through channel; 9. Top extension protrusion; 10. Inner guide channel two; 11. Outer guide channel two; 12. Electric bicycle controller mounting hole; 13. Wiring harness through hole. Detailed Implementation

[0027] In order to make the technical scheme of the utility model, technical scheme and advantages more clear, the following will be combined with the drawings of the specific embodiments of the utility model, the technical scheme of the utility model embodiment is clearly and completely described.The same reference signs in the drawings represent the same parts.It should be noted that the described embodiments are part of the embodiments of the utility model, not all embodiments.Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] With reference Figures 1-5 The utility model discloses an electric bicycle controller heat abstractor, including controller box body 1, the outside wall of controller box body 1 is integrally formed with the boss for installing fixedly at bottom position, and the top of controller box body 1 is fixedly connected with upper box cover 2 through screw, the outside wall of one side of controller box body 1 is fixedly connected with side box cover 3 through screw, the outside wall of one side of controller box body 1 is close to the side position of side box cover 3 and is equipped with box body side opening 4, the inside wall of controller box body 1 is integrally formed with side extension boss part 5, the outside wall of one side of side extension boss part 5 is away from controller box body 1 and is equipped with inner flow groove one 6, the horizontal side position of the outside wall of controller box body 1 is close to inner flow groove one 6 and is equipped with outer flow groove one 7, and outer flow groove one 7 and inner flow groove one 6 are communicated, the through groove 8 is equipped with in the outside wall of one side of controller box body 1 adjacent to side box cover 3, the recess formed by the communication of inner flow groove one 6 and outer flow groove one 7 is coincident with through groove 8, can make its form an air straight line flow channel through the recess and through groove 8 of coincidence, to accelerate the flow of air on the outside of controller box body 1, improve the cold and hot exchange rate, to realize the quick cooling of the controller installed in the inside of controller box body 1, the bottom of upper box cover 2 is integrally formed with top extension boss part 9, the top of top extension boss part 9 is equipped with inner flow groove two 10, the top of upper box cover 2 is close to the position of inner flow groove two 10 and is equipped with outer flow groove two 11, and the both sides of top extension boss part 9 close to inner flow groove two 10 are in the state of plugging, and outer flow groove two 11 and inner flow groove two 10 are communicated, through the communication of outer flow groove two 11 and inner flow groove two 10, can make the air in outer flow groove two 11 enter inner flow groove two 10, improve the contact area of air and top extension boss part 9, and then improve the heat dissipation efficiency, the inside bottom of controller box body 1 is equipped with electric bicycle controller mounting hole 12, and electric bicycle controller mounting hole 12 is through the bottom of controller box body 1, and the central position of the outside wall of one side of side box cover 3 away from controller box body 1 is equipped with wire harness perforation 13.

[0029] The embodiment is specific as follows: when installing the controller of the electric bicycle, the controller is inserted into the side opening 4 of the box body in a horizontal state, under the vertical limiting of the side extending convex part 5 when the controller is inserted, the controller can be horizontally inserted into the inside of the controller box body 1, the side extending convex part 5 is inserted and tightly contacts the heat dissipation groove of the outer side wall of the controller, then the controller is fixed by screwing through the electric bicycle controller mounting hole 12, the wire harness on the controller is inserted through the wire harness perforation 13, then the side box cover 3 and the controller box body 1 are installed and fixed together, finally, the upper box cover 2 is covered on the top of the controller box body 1, the top extending convex part 9 is inserted and tightly contacts the heat dissipation groove of the top of the controller, the controller box body 1 and the upper box cover 2 are installed and fixed together, at this time, the controller box body 1 is in full contact with the controller, the heat dissipation area of the controller is increased, when the air flows outside the controller box body 1 and the upper box cover 2, the air flows into the inner flow guide groove one 6 and the inner flow guide groove two 10, the contact area of the air and the controller is indirectly increased, and the heat dissipation effect and efficiency of the controller are improved.

[0030] As shown in the further preferable embodiment of the utility model, Figures 1-5 The inside of the controller box body 1 is provided with the controller of the electric bicycle, the outer side wall of the controller of the electric bicycle is provided with the heat dissipation groove, the side extending convex part 5 and the top extending convex part 9 are embedded and tightly contact the heat dissipation groove on the outer side wall of the controller of the electric bicycle, and the outer side wall of the side extending convex part 5 and the top extending convex part 9 is provided with a round corner.

[0031] The embodiment is specific as follows: according to the position and depth of the heat dissipation groove of the outer side wall of the controller of the electric bicycle, the heat dissipation device is specially designed, so that the heat dissipation device and the controller of the electric bicycle are in a matching state, thereby realizing heat dissipation of the controller of the electric bicycle.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric bicycle controller cooling device, characterized in that it comprises a controller box (1); an upper box cover (2) fixed on the top of the controller box (1) by screws; a side box cover (3) fixed on the outer wall of one side of the controller box (1) by screws; a box body side opening (4) opened on the outer wall of the controller box (1) near the side of the side box cover (3); a side extension protruding part (5) integrally formed on the inner wall of the controller box (1); an inner flow guide groove I (6) opened inside the side extension protruding part (5); an outer flow guide groove I (7) opened on the outer wall of the controller box (1) near the horizontal side of the inner flow guide groove I (6), which is in communication with the inner flow guide groove I (6); a through groove (8) opened on the outer wall of the side box cover (3); a top extension protruding part (9) integrally formed on the bottom of the upper box cover (2) near the inner side of the controller box (1); an inner flow guide groove II (10) opened on the top of the top extension protruding part (9); an outer flow guide groove II (11) opened on the top of the upper box cover (2) above the inner flow guide groove II (10); an electric bicycle controller mounting hole (12) opened on the bottom inside the controller box (1); and a wire harness perforation (13) opened on the outer wall of the side box cover (3) adjacent to the through groove (8) on the central position. The side extension protruding part (5) and the top extension protruding part (9) are embedded in close contact with the heat dissipation grooves on the outer wall of the electric bicycle controller, and the outer walls of the side extension protruding part (5) and the top extension protruding part (9) are provided with rounded corners. The recess formed by the communication of the inner flow guide groove I (6) and the outer flow guide groove I (7) coincides with the through groove (8). The two side ends of the top extension protruding part (9) near the inner flow guide groove II (10) are in a closed state, and the outer flow guide groove II (11) and the inner flow guide groove II (10) are in communication. The outer wall of the controller box (1) near the bottom position is integrally formed with a boss for mounting and fixing. The controller box (1) is provided with an electric bicycle controller inside, and the outer wall of the electric bicycle controller is provided with heat dissipation grooves. ​ ​ ​ ​ ​ ​ ​ ​ 2. The electric bicycle controller heat dissipation device according to claim 1, wherein: ​ 3. The electric bicycle controller heat dissipation device of claim 1, wherein: ​ 4. The electric bicycle controller heat dissipation device of claim 1, wherein: ​ 5. The electric bicycle controller heat sink device of claim 1, wherein: ​ 6. The electric bicycle controller heat sink device of claim 1, wherein: ​

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