Efficient 5KW motor controller

Abstract

The utility model discloses an efficient 5KW motor controller, which belongs to the technical field of motor controllers and comprises a bottom plate and a heat dissipation shell, a control circuit board is arranged on the upper end face of the bottom plate, soaking mechanisms are fixedly arranged on two sides of the heat dissipation shell, and the heat dissipation shell comprises a shell body. Inner heat dissipation fins and outer heat dissipation fins are fixedly arranged on the inner wall and the outer wall of the shell body respectively, a heat conduction pipe set connected with the inner heat dissipation fins in a penetrating mode is fixedly arranged on the inner heat dissipation fins, and the heat conduction pipe set makes contact with the control circuit board. Therefore, when the control circuit board works to release heat, the soaking mechanism works to drive the internal air flow to flow, so that the temperature in the shell main body is always distributed uniformly, the heat dissipation is facilitated, and meanwhile, the heat conduction pipe group can be connected with an electric appliance element with relatively high heat productivity in the control circuit board. And a large amount of heat released by the part of electrical components is efficiently and quickly conducted out, so that the problem of heat accumulation is further avoided.

Description

Technical Field

[0001] The utility model relates to a motor controller, in particular to an efficient 5KW motor controller, belonging to the technical field of motor controllers. Background Technique

[0002] A motor controller is an integrated circuit that actively controls a motor to work in accordance with set directions, speeds, angles, and response times. In an electric vehicle, the function of the motor controller is to convert the electrical energy stored in the power battery into the electrical energy required to drive the motor according to instructions such as gear position, throttle, and brake, to control the driving states of the electric vehicle such as starting and running, forward and reverse speeds, and climbing power, or to assist the electric vehicle in braking and store part of the braking energy in the power battery. It is one of the key components of an electric vehicle.

[0003] The integrated circuit board inside the motor controller will generate heat during operation. If the heat dissipation is not timely, it will cause the internal temperature to be too high, affecting the operation of electrical components and reducing the overall efficiency of the controller. The heat dissipation measures of the motor controller can be divided into self-cooling and water-cooling. Among them, the water-cooling structure is relatively complex and costly, while self-cooling only relies on air conduction to dissipate the heat of the internal working circuit, with low efficiency. Moreover, heat accumulation will occur around the electrical components with high heat generation in the integrated circuit, affecting their working efficiency. Therefore, in view of the above problems, an efficient 5KW motor controller is proposed. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide an efficient 5KW motor controller. The motor controller can, through the operation of the internal heat equalizing mechanism, make the temperature inside the controller housing always evenly distributed, avoiding heat concentration and accumulation, which is conducive to heat dissipation. At the same time, the heat conduction pipe group can efficiently export a large amount of heat released by the electrical components with high heat generation in the integrated circuit by connecting with them, further avoiding the problem of heat accumulation, and solving the technical problems that the self-cooling measure of the controller in the prior art has low efficiency and heat accumulation occurs around the electrical components with high heat generation in the integrated circuit, affecting the overall working efficiency of the controller.

[0005] To solve the above problems, the following technical solutions are provided:

[0006] Design an efficient 5KW motor controller, including a bottom plate and a heat dissipation housing. A control circuit board is centrally arranged on the upper end surface of the bottom plate and located inside the heat dissipation housing. Heat equalizing mechanisms are fixedly arranged on both sides of the heat dissipation housing. The heat dissipation housing includes a housing main body. A number of internally arranged heat dissipation fins are fixedly arranged on the inner wall of the housing main body in an array distribution. A number of externally arranged heat dissipation fins are fixedly arranged on the outer wall of the housing main body in an array distribution. A heat conduction pipe group is fixedly arranged on the internally arranged heat dissipation fins and is connected through them. The heat conduction pipe group is in contact with the control circuit board. A detachable upper cover is provided to cover the top of the heat dissipation housing.

[0007] In the above structural form, when the control circuit board works and releases heat, the motor controller can drive the internal air flow through the operation of the internal heat equalizing mechanism, so that the temperature inside the housing main body is always evenly distributed, avoiding the situation of heat concentration and accumulation, which is beneficial to heat dissipation. At the same time, the heat conduction pipe group can efficiently export a large amount of heat released by the electrical components with higher heat generation in the control circuit board by connecting with them, further avoiding the problem of heat accumulation. In addition, the internally arranged heat dissipation fins and the externally arranged heat dissipation fins can increase the heat conduction area and the heat dissipation area respectively to improve the overall heat dissipation rate of the heat dissipation housing.

[0008] Furthermore, the heat conduction pipe group includes an upper pipe fixedly penetrating through the upper part of the internally arranged heat dissipation fins and a lower pipe fixedly penetrating through the lower part of the internally arranged heat dissipation fins.

[0009] In the above structural form, the upper pipe and the lower pipe can export the heat of the electrical components on the control circuit board at different positions, avoiding heat accumulation. At the same time, the heat exported by the upper pipe and the lower pipe can be quickly transferred to the housing main body through the internally arranged heat dissipation fins and finally discharged to the outside through the housing main body.

[0010] Furthermore, the upper pipe and the lower pipe have exactly the same structural composition, both including a copper pipe main body filled with a refrigerant inside and a contact end connected to the end of the pipe main body.

[0011] In the above structural form, the contact end can achieve close contact between the upper pipe, the lower pipe and the electrical components on the control circuit board, which is convenient for heat export.

[0012] Furthermore, the heat equalizing mechanism includes a flow guiding plate fixedly arranged on the upper end surface of the bottom plate and a driving motor fixedly arranged on the inner wall of the housing main body. A through air hole is opened in the middle of the flow guiding plate. A fan blade is fixedly connected to the output shaft end of the driving motor, and the fan blade is rotatably arranged in the air hole.

[0013] In the above structural form, when the driving motor operates to drive the fan blade to rotate, the internal air flow will be drawn in from both sides of the guide plate and blown out from the air holes, enabling the internal air to circulate continuously, thereby driving the heat to be evenly distributed, facilitating the efficient discharge of heat, and effectively preventing the occurrence of heat accumulation.

[0014] Further, the control circuit board includes a bottom air shaft fixedly arranged on the upper end surface of the bottom plate. A driving plate is fixedly mounted on the top end of the bottom air shaft. A middle air shaft is fixedly arranged at the edge of the upper end surface of the driving plate. A control board is fixedly mounted on the top end of the middle air shaft. The driving plate and the control board are electrically connected.

[0015] In the above structural form, the combined operation of the driving plate and the control board can realize the control function of the motor controller, while the bottom air shaft and the middle air shaft can suspend and support the driving plate and the control board, facilitating the release of heat during their operation.

[0016] Further, the contact end of the upper tube is attached to the electrical component or structure with the highest heat generation on the control board, and the contact end of the lower tube is attached to the electrical component or structure with the highest heat generation on the driving board.

[0017] In the above structural form, the upper tube can conduct the heat released by the electrical component with the highest heat generation on the control board during operation, and the lower tube can conduct the heat released by the electrical component with the highest heat generation on the driving board during operation, avoiding the concentration and accumulation of heat.

[0018] Further, through holes are opened at the four corners of the bottom plate, and a number of through insertion holes are opened on the upper cover.

[0019] In the above structural form, the through holes provide a necessary structural basis for the fixed installation of the entire motor controller, and the insertion holes provide a necessary structural basis for the electrical connection between the external circuit and the interface on the control board.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] In the present utility model, when the control circuit board operates to release heat, the motor controller can drive the internal air flow through the operation of the internal heat equalizing mechanism, making the temperature in the housing body always evenly distributed, avoiding the concentration and accumulation of heat, which is beneficial to the dissipation of heat. At the same time, the heat conduction tube group can efficiently conduct a large amount of heat released by the electrical components with relatively high heat generation in the control circuit board by connecting with them, further avoiding the problem of heat accumulation. In addition, the internal heat dissipation fins and the external heat dissipation fins can respectively increase the heat conduction area and the heat dissipation area to improve the overall heat dissipation rate of the heat dissipation housing. Description of the Drawings

[0022] The accompanying drawings are used to provide a further understanding of the present utility model and form a part of the description. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the accompanying drawings:

[0023] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0024] Figure 2 is a schematic diagram of the internal structure of the present utility model;

[0025] Figure 3 is a schematic diagram of the partial structure of the present utility model;

[0026] Figure 4 is a schematic diagram of the control circuit board structure of the present utility model.

[0027] In the figure: 1, bottom plate; 11, fixing holes; 2, heat dissipation housing; 21, housing main body; 22, internal heat dissipation fins; 23, external heat dissipation fins; 24, heat conduction tube group; 241, upper tube; 242, lower tube; 2401, tube main body; 2402, contact end; 3, control circuit board; 31, bottom air shaft; 32, drive board; 33, middle air shaft; 34, control board; 4, heat equalizing mechanism; 41, diversion plate; 411, air holes; 42, drive motor; 43, fan blade; 5, upper cover; 51, insertion holes. Detailed implementation manners

[0028] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.

[0029] As Figure 1 - Figure 2 shown, a highly efficient 5KW motor controller provided in this embodiment includes a bottom plate 1 and a heat dissipation housing 2. A control circuit board 3 is centrally arranged on the upper end surface of the bottom plate 1 inside the heat dissipation housing 2. Heat equalizing mechanisms 4 are fixedly arranged on both sides of the heat dissipation housing 2. A detachable upper cover 5 is covered on the top of the heat dissipation housing 2. When the control circuit board 3 works and releases heat, the motor controller can drive the internal air flow through the operation of the internal heat equalizing mechanism 4, so that the temperature inside the heat dissipation housing 2 is always evenly distributed, avoiding the situation of heat concentration and accumulation, which is beneficial to the heat to be dissipated through the heat dissipation housing 2.

[0030] Meanwhile, the heat dissipation housing 2 includes a housing main body 21. A number of internally arranged heat dissipation fins 22 are fixedly arranged on the inner wall of the housing main body 21 in an array. A number of externally arranged heat dissipation fins 23 are fixedly arranged on the outer wall of the housing main body 21 in an array. A heat conduction pipe group 24 is fixedly arranged on the internally arranged heat dissipation fins 22 and is connected to the control circuit board 3 through penetration. The heat conduction pipe group 24 can efficiently export a large amount of heat released by electrical components with higher heat generation in the control circuit board 3 by connecting to these components, further avoiding the problem of heat accumulation. In addition, the internally arranged heat dissipation fins 22 and the externally arranged heat dissipation fins 23 can increase the heat conduction area and the heat dissipation area respectively to improve the overall heat dissipation rate of the heat dissipation housing 2.

[0031] As Figure 3 shown, the heat conduction pipe group 24 includes an upper pipe 241 fixedly penetrating the upper part of the internally arranged heat dissipation fins 22 and a lower pipe 242 fixedly penetrating the lower part of the internally arranged heat dissipation fins 22. The above structural form can export the heat of electrical components on the control circuit board 3 at different positions through the upper pipe 241 and the lower pipe 242, avoiding heat accumulation. At the same time, the heat exported by the upper pipe 241 and the lower pipe 242 can be quickly transferred to the housing main body 21 through the internally arranged heat dissipation fins 22 and finally discharged to the outside through the housing main body 21. In addition, the structural compositions of the upper pipe 241 and the lower pipe 242 are exactly the same, and both include a pipe main body 2401 made of copper with refrigerant filled inside and a contact end 2402 connected to the end of the pipe main body 2401. This structural form can achieve close contact between the upper pipe 241, the lower pipe 242 and the electrical components on the control circuit board 3 through the contact end 2402, facilitating heat export.

[0032] As Figure 3 shown, the heat equalizing mechanism 4 includes a flow guiding plate 41 fixedly arranged on the upper end surface of the bottom plate 1 and a driving motor 42 fixedly arranged on the inner wall of the housing main body 21. A through air hole 411 is opened in the middle of the flow guiding plate 41. A fan blade 43 is fixedly connected to the output shaft end of the driving motor 42, and the fan blade 43 is rotatably arranged in the air hole 411. In the above structural form, when the driving motor 42 works to drive the fan blade 43 to rotate, the internal air flow will be drawn in from both sides of the flow guiding plate 41 and blown out from the air hole 411, enabling the internal air to circulate continuously, thereby driving the heat to be evenly distributed and facilitating the efficient discharge of heat, effectively preventing the occurrence of heat accumulation.

[0033] As Figure 4As shown in the figure, the control circuit board 3 includes a bottom airshaft 31 fixedly arranged on the upper end face of the bottom plate 1. A driving plate 32 is fixedly mounted on the top end of the bottom airshaft 31. A middle airshaft 33 is fixedly arranged at the edge of the upper end face of the driving plate 32. A control board 34 is fixedly mounted on the top end of the middle airshaft 33. The driving plate 32 and the control board 34 are electrically connected. With this structural form, the control function of the motor controller can be realized through the combined operation of the driving plate 32 and the control board 34. The bottom airshaft 31 and the middle airshaft 33 can suspend the driving plate 32 and the control board 34, facilitating the release of heat during their operation.

[0034] Specifically, the contact end 2402 of the upper tube 241 is attached to the electrical component or structure with the highest heat generation on the control board 34, and the contact end 2402 of the lower tube 242 is attached to the electrical component or structure with the highest heat generation on the driving plate 32. With this structural form, the upper tube 241 can conduct the heat released by the electrical component with the highest heat generation on the control board 34 during operation, and the lower tube 242 can conduct the heat released by the electrical component with the highest heat generation on the driving plate 32 during operation, avoiding the concentrated accumulation of heat.

[0035] As Figure 1 shown in the figure, through holes 11 are provided at the four corners of the bottom plate 1, and a number of through insertion holes 51 are provided on the upper cover 5. In this structural form, the through holes 11 provide a necessary structural basis for the fixed installation of the entire motor controller, and the insertion holes 51 provide a necessary structural basis for the electrical connection between the external circuit and the interface on the control board 34.

[0036] The working principle and process of the present utility model: When the control circuit board 3 operates and releases heat, the motor controller can drive the internal air flow through the operation of the internal heat equalization mechanism 4, so that the temperature inside the heat dissipation housing 2 is always evenly distributed, avoiding the concentrated accumulation of heat, which is beneficial to the heat dissipation through the heat dissipation housing 2. Specifically, the driving motor 42 operates to drive the fan blade 43 to rotate. At this time, the internal air flow will be drawn in from both sides of the guide plate 41 and blown out from the air holes 411, enabling the internal air to circulate continuously, thereby driving the heat to be evenly distributed. Moreover, the internal heat dissipation fins 22 and the external heat dissipation fins 23 can increase the heat conduction area and the heat dissipation area respectively to improve the overall heat dissipation rate of the heat dissipation housing 2.

[0037] Meanwhile, the contact end 2402 of the upper tube 241 is attached to the electrical component or structure with the highest heat generation on the control board 34, and the contact end 2402 of the lower tube 242 is attached to the electrical component or structure with the highest heat generation on the drive board 32. The above structural form can conduct the heat released by the electrical component with the highest heat generation on the control board 34 during operation through the upper tube 241, and can conduct the heat released by the electrical component with the highest heat generation on the drive board 32 during operation through the lower tube 242, and dissipate the conducted heat through the internal heat dissipation fins 22 to avoid the concentrated accumulation of heat.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0040] The present invention has been described above in combination with specific embodiments, but those skilled in the art should clearly understand that these descriptions are exemplary and not a limitation to the protection scope of the present invention. Those skilled in the art can make various modifications and variations to the present invention according to the spirit and principle of the present invention, and these modifications and variations are also within the scope of the present invention.

Claims

1. An efficient 5KW motor controller, comprising a base plate (1) and a heat dissipation housing (2), characterized in that: The upper end surface of the bottom plate (1) is located in the heat dissipation shell (2), and a control circuit board (3) is centrally arranged thereon. Heat equalization mechanisms (4) are fixedly arranged on both sides of the heat dissipation shell (2). The heat dissipation shell (2) comprises a shell body (21). A plurality of inner heat dissipation fins (22) distributed in an array are fixedly arranged on the inner wall of the shell body (21). A plurality of outer heat dissipation fins (23) distributed in an array are fixedly arranged on the outer wall of the shell body (21). A heat conduction pipe group (24) connected thereto is fixedly arranged on the inner heat dissipation fin (22). The heat conduction pipe group (24) is in contact with the control circuit board (3). The top cover of the heat dissipation shell (2) is provided with a detachably connected upper cover (5).

2. According to claim 1, a high-efficiency 5KW motor controller is characterized in that: The heat conduction pipe group (24) comprises an upper pipe (241) fixedly arranged on the upper part of the inner heat dissipation fin (22) and a lower pipe (242) fixedly arranged on the lower part of the inner heat dissipation fin (22).

3. An efficient 5KW motor controller according to claim 2, characterized in that: The upper tube (241) and the lower tube (242) have completely identical structural compositions, both comprising a copper tube body (2401) filled with refrigerant and a contact terminal (2402) connected to the end of the tube body (2401).

4. The efficient 5KW motor controller according to claim 1, characterized in that: The heat equalizing mechanism (4) comprises a guide plate (41) fixedly arranged on the upper end surface of the bottom plate (1) and a drive motor (42) fixedly arranged on the inner wall of the shell body (21); a through wind hole (411) is opened in the middle of the guide plate (41); a fan blade (43) is fixedly connected to the output shaft end of the drive motor (42); and the fan blade (43) is rotatably arranged in the wind hole (411).

5. According to claim 3, a high-efficiency 5KW motor controller is characterized in that: The control circuit board (3) comprises a bottom frame hollow shaft (31) fixedly arranged on the upper end surface of the bottom plate (1); a driving plate (32) is fixedly arranged on the top end of the bottom frame hollow shaft (31); a middle frame hollow shaft (33) is fixedly arranged at the edge of the upper end surface of the driving plate (32); a control board (34) is fixedly arranged on the top end of the middle frame hollow shaft (33); and the driving board (32) and the control board (34) are electrically connected.

6. An efficient 5KW motor controller according to claim 5, characterized in that: The contact end (2402) of the upper tube (241) is attached to the electrical component or structure with the highest heat generation on the control board (34), and the contact end (2402) of the lower tube (242) is attached to the electrical component or structure with the highest heat generation on the drive board (32).

7. The efficient 5KW motor controller according to claim 1, characterized in that: The bottom plate (1) is provided with through fixing holes (11) at the four corners, and the upper cover (5) is provided with a plurality of through plugging holes (51).

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