High-power brush motor controller

Abstract

The utility model relates to the technical field of controllers, in particular to a high-power brush motor controller, which comprises a mounting seat, a mounting shell, a power driving board, a heat dissipation motor, a transmission mechanism and a dust cleaning brush, the mounting shell is arranged on the mounting base, a heat dissipation hole is formed in the side face of the mounting shell, and a filter screen is arranged in the heat dissipation hole; the power drive board is arranged in the mounting shell, and a heat dissipation channel is reserved between the power drive board and the mounting base; the heat dissipation motor is arranged on the mounting base through a mounting frame, and the output end of the heat dissipation motor is in transmission connection with a heat dissipation impeller through a driving rod; the transmission mechanism is arranged in the mounting shell, and one end of the transmission mechanism is in transmission connection with the driving rod. According to the utility model, the heat dissipation motor is adopted to drive the heat dissipation impeller to rotate so as to passively dissipate heat of electrical components in the mounting shell and filter air entering the mounting shell, so that the heat dissipation efficiency of the controller is improved, the interference of too high temperature on the controller is effectively avoided, and the operation stability of the controller is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of controllers, in particular to a high-power brushed motor controller. Background Art

[0002] A brushed motor is a rotating motor that contains a brush device to convert electrical energy into mechanical energy (motor) or mechanical energy into electrical energy (generator). Brushed motors are the basis of all motors. They have the characteristics of fast starting, timely braking, smooth speed regulation over a wide range, and relatively simple control circuits.

[0003] Patent authorization announcement number CN 102647878 B discloses a structure of a high-power brushed motor controller, wherein the five current metal connecting strips include an armature connecting strip, two excitation connecting strips, and positive and negative power supply connecting strips. The positive and negative power supply connecting strips are flatly fixed on the power circuit board, and the positive and negative power supply connecting strips are arranged in parallel and spaced apart; the armature connecting strip is fixed between the positive and negative power supply connecting strips, and the positive and negative power supply connecting strips are located on the same side of the two excitation connecting strips. The advantages of the present invention are that the layout of the five current metal connecting strips is relative to the armature connecting strip and the two excitation connecting strips, and the ground wire is in the middle, so that better public performance can be obtained, and the path from the power supply to the ground is relatively uniform, thereby eliminating interference and obtaining better anti-interference performance.

[0004] However, the above technical solution has the following shortcomings: lack of active heat dissipation, and a simple heat dissipation fan is set, which easily brings dust and cotton wool into the controller during the heat dissipation process, affecting the heat dissipation and operating stability of internal electrical components. Utility Model Content

[0005] The utility model aims to provide a high-power brushed motor controller in view of the problems existing in the background technology.

[0006] The technical solution of the utility model: a high-power brushed motor controller, comprising:

[0007] Mounting seat;

[0008] A mounting shell is arranged on the mounting seat, a heat dissipation hole is opened on the side of the mounting shell, and a filter is arranged in the heat dissipation hole;

[0009] A power driving board is arranged in the mounting shell, and a heat dissipation channel is left between the power driving board and the mounting seat;

[0010] The heat dissipation motor is arranged on the mounting seat through the mounting frame, and the output end of the heat dissipation motor is connected to the heat dissipation impeller through the driving rod;

[0011] A transmission mechanism is arranged in the mounting shell, one end of the transmission mechanism is transmission-connected to the driving rod, and the other end of the transmission mechanism is rotationally connected to the mounting shell;

[0012] A dust cleaning brush is arranged in the installation shell, one end of the dust cleaning brush is connected to the transmission mechanism, and the working part of the dust cleaning brush contacts the filter screen.

[0013] Preferably, the transmission mechanism includes a mounting cylinder, a first connecting member, a second connecting member, a guide assembly and an adjustment assembly;

[0014] One end of the mounting tube is rotatably connected to the inner wall of the mounting shell;

[0015] One end of the first connecting member is connected to the driving rod;

[0016] The second connecting member is located on the inner wall of the installation tube and is slidably connected to the installation tube, and the end surface of the second connecting member and the end surface of the first connecting member are meshed with each other;

[0017] The guide assembly is arranged between the second connecting member and the mounting cylinder;

[0018] The adjusting component is used to adjust the position of the second connecting member, one end of the adjusting component is connected to the second connecting member, and the other end of the adjusting component is slidably connected to the mounting shell.

[0019] Preferably, the guide assembly includes a guide groove and a guide block;

[0020] A plurality of guide grooves are provided, and the guide grooves are opened on the inner wall of the installation tube and along the central axis direction of the installation tube;

[0021] A plurality of guide blocks are provided and correspond to the wire grooves one by one, and the plurality of guide blocks are all connected to the second connecting member.

[0022] Preferably, the adjustment assembly includes an adjustment rod, a limit block, a rotating handle, a movable ring and a return spring;

[0023] One end of the adjusting rod is rotatably connected to the second connecting member, and the other end of the adjusting rod passes through the mounting shell and extends to the outside of the mounting shell;

[0024] The limit block is located on the surface of the adjustment rod;

[0025] The rotating handle is located outside the mounting shell, and the rotating handle is connected to the adjusting rod;

[0026] The movable ring is sleeved on the adjusting rod, and the movable ring is rotatably connected to the second connecting member;

[0027] The return spring is sleeved on the adjusting rod, one end of the return spring is connected with the movable ring, and the other end of the return spring is connected with the inner wall of the mounting shell.

[0028] Preferably, a surface of the mounting shell is provided with heat dissipation fins, and a plurality of heat dissipation fins are provided.

[0029] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0030] The utility model adopts a heat dissipation motor to drive the heat dissipation impeller to rotate to passively dissipate heat for the electrical components in the installation shell, and filters the air entering the installation shell, greatly improving the heat dissipation efficiency of the controller, effectively avoiding the interference of the controller by excessive temperature, and thus improving the stability of the controller operation. When the heat dissipation motor rotates in the reverse direction, the dust cleaning brush is driven to rotate through the transmission mechanism to clean the filter screen, and at the same time, the heat dissipation impeller rotates in the reverse direction to blow the cleaned foreign matter out of the installation shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional diagram of an embodiment of the present utility model;

[0032] Figure 2 A cross-sectional view of an embodiment of the present utility model;

[0033] Figure 3 A cross-sectional view of a transmission mechanism in an embodiment of the present utility model;

[0034] Figure 4 A three-dimensional diagram of a mounting cylinder in an embodiment of the present utility model;

[0035] Figure 5 A three-dimensional diagram of an adjustment component in an embodiment of the present utility model;

[0036] Figure 6 This is a three-dimensional diagram of a first connecting member in an embodiment of the present invention.

[0037] Figure numerals: 1. mounting seat; 2. mounting shell; 3. power drive board; 4. heat dissipation motor; 5. transmission mechanism; 51. mounting cylinder; 52. first connecting member; 53. second connecting member; 54. guide assembly; 541. guide groove; 542. guide block; 55. adjustment assembly; 551. adjustment rod; 552. limit block; 553. rotating handle; 554. movable ring; 555. reset spring; 6. cleaning brush; 7. filter screen; 8. drive rod; 9. heat dissipation fins; 10. heat dissipation impeller. DETAILED DESCRIPTION

[0038] Embodiment 1

[0039] like Figure 1-6 As shown, a high-power brushed motor controller proposed by the utility model includes a mounting base 1, a mounting shell 2, a power driving board 3, a heat dissipation motor 4, a transmission mechanism 5 and a dust cleaning brush 6;

[0040] The mounting shell 2 is arranged on the mounting seat 1, and a heat dissipation fin 9 is arranged on the surface of the mounting shell 2, and a plurality of heat dissipation fins 9 are arranged. Heat dissipation holes are opened on both sides of the mounting shell 2, and a filter screen 7 is arranged in the heat dissipation hole;

[0041] The power driving board 3 is arranged in the mounting shell 2, a heat dissipation channel is left between the power driving board 3 and the mounting seat 1, and a main chip, capacitor components and inductor components are arranged on the power driving board 3;

[0042] The heat dissipation motor 4 is arranged on the mounting seat 1 through a mounting frame. The heat dissipation motor 4 has forward and reverse rotation functions and is electrically connected to the power supply and the control system through a wire. The output end of the heat dissipation motor 4 is connected to the heat dissipation impeller 10 through a driving rod 8.

[0043] The transmission mechanism 5 is disposed in the mounting shell 2, one end of the transmission mechanism 5 is transmission-connected to the driving rod 8, and the other end of the transmission mechanism 5 is rotationally connected to the mounting shell 2;

[0044] The cleaning brush 6 is arranged in the mounting shell 2 , one end of the cleaning brush 6 is connected to the transmission mechanism 5 , and the working part of the cleaning brush 6 is in contact with the filter screen 7 .

[0045] Embodiment 2

[0046] like Figure 2-6 As shown, the utility model proposes a high-power brushed motor controller. Compared with the first embodiment, the present embodiment further specifically discloses the structure of the transmission mechanism 5; the transmission mechanism 5 includes a mounting cylinder 51, a first connecting member 52, a second connecting member 53, a guide assembly 54 and an adjustment assembly 55;

[0047] One end of the mounting tube 51 is rotatably connected to the inner wall of the mounting shell 2, and the cleaning brush 6 is fixedly connected to the mounting tube 51;

[0048] One end of the first connecting member 52 is fixedly connected to the driving rod 8;

[0049] The second connecting member 53 is located on the inner wall of the mounting tube 51 and is slidably connected to the mounting tube 51. The end surface of the second connecting member 53 and the end surface of the first connecting member 52 are meshed with each other.

[0050] The guide assembly 54 is disposed between the second connecting member 53 and the mounting tube 51;

[0051] The adjusting component 55 is used to adjust the position of the second connecting member 53 . One end of the adjusting component 55 is connected to the second connecting member 53 , and the other end of the adjusting component 55 is slidably connected to the mounting shell 2 .

[0052] The guide assembly 54 includes a guide groove 541 and a guide block 542;

[0053] A plurality of guide grooves 541 are provided, and the guide grooves 541 are opened on the inner wall of the installation tube 51 and along the central axis direction of the installation tube 51;

[0054] There are multiple guide blocks 542 corresponding to the guide grooves 541 one by one. The multiple guide blocks 542 are all fixedly connected to the second connecting member 53 , and the guide blocks 542 are slidably connected to the guide grooves 541 .

[0055] Embodiment 3

[0056] like Figure 3-5 As shown, the utility model proposes a high-power brushed motor controller. Compared with the second embodiment, this embodiment further specifically discloses the structure of the adjustment component 55; the adjustment component 55 includes an adjustment rod 551, a limit block 552, a rotating handle 553, a movable ring 554 and a return spring 555;

[0057] One end of the adjusting rod 551 is rotatably connected to the second connecting member 53, and the other end of the adjusting rod 551 passes through the mounting shell 2 and extends to the outside of the mounting shell 2;

[0058] The limiting block 552 is located on the surface of the adjusting rod 551;

[0059] The rotating handle 553 is located outside the mounting shell 2, and the rotating handle 553 is fixedly connected to the adjusting rod 551;

[0060] The movable ring 554 is sleeved on the adjusting rod 551, and the movable ring 554 is rotatably connected to the second connecting member 53;

[0061] The return spring 555 is sleeved on the adjustment rod 551 , one end of the return spring 555 is fixedly connected to the movable ring 554 , and the other end of the return spring 555 is fixedly connected to the inner wall of the mounting shell 2 .

[0062] When the controller is working, the heat dissipation motor 4 works to drive the heat dissipation impeller 10 to rotate through the driving rod 8. The rotation of the heat dissipation impeller 10 drives the air flow around the controller to dissipate heat and cool the electrical components in the mounting shell 2. Before the air enters the mounting shell 2, it is filtered by the filter screen 7. When the filter screen 7 has a large amount of foreign matter adsorbed on the surface, the rotating handle 553 is turned to align the limit block 552 with the movable hole of the mounting shell 2. After the rotating handle 553 is released, the second connecting member 53 is attached to the first connecting member 52 under the action of the reset spring 555, and the heat dissipation motor 4 is controlled to rotate in the opposite direction. The heat dissipation motor 4 works by driving the cleaning brush 6 to rotate along the filter screen 7 through the first connecting member 52, the second connecting member 53 and the mounting tube 51 to clean the filter screen 7, and the foreign matter cleaned is blown out. After the cleaning is completed, the adjusting rod 551, the limit block 552 and the second connecting member 53 are pulled to move together by rotating the handle 553. When the limit block 552 moves to the outside of the mounting shell 2, the rotating handle 553 is turned to drive the limit block 552 to rotate so that the limit block 552 is stuck on the outside of the mounting shell 2, so that the second connecting member 53 is separated from the first connecting member 52.

[0063] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A high-power brushed motor controller, characterized in that: include: Mounting seat (1); A mounting shell (2) is arranged on the mounting seat (1), a heat dissipation hole is provided on the side of the mounting shell (2), and a filter screen (7) is arranged in the heat dissipation hole; A power drive board (3) is arranged in the mounting shell (2), and a heat dissipation channel is left between the power drive board (3) and the mounting seat (1); A heat dissipation motor (4) is arranged on the mounting seat (1) via a mounting frame, and an output end of the heat dissipation motor (4) is connected to a heat dissipation impeller (10) via a driving rod (8); A transmission mechanism (5) is arranged in the mounting shell (2), one end of the transmission mechanism (5) is transmission-connected to the driving rod (8), and the other end of the transmission mechanism (5) is rotationally connected to the mounting shell (2); A dust cleaning brush (6) is arranged in the mounting shell (2), one end of the dust cleaning brush (6) is connected to the transmission mechanism (5), and the working part of the dust cleaning brush (6) is in contact with the filter screen (7).

2. A high-power brushed motor controller according to claim 1, characterized in that: The transmission mechanism (5) comprises a mounting cylinder (51), a first connecting member (52), a second connecting member (53), a guide assembly (54) and an adjustment assembly (55); One end of the mounting tube (51) is rotatably connected to the inner wall of the mounting shell (2); One end of the first connecting member (52) is connected to the driving rod (8); The second connecting member (53) is located on the inner wall of the mounting tube (51) and is slidably connected to the mounting tube (51), and the end surface of the second connecting member (53) and the end surface of the first connecting member (52) are meshed with each other; The guide assembly (54) is arranged between the second connecting member (53) and the mounting tube (51); The adjusting component (55) is used to adjust the position of the second connecting member (53); one end of the adjusting component (55) is connected to the second connecting member (53), and the other end of the adjusting component (55) is slidably connected to the mounting shell (2).

3. A high-power brushed motor controller according to claim 2, characterized in that: The guide assembly (54) comprises a guide groove (541) and a guide block (542); A plurality of guide grooves (541) are provided, and the guide grooves (541) are opened on the inner wall of the installation tube (51) and along the central axis direction of the installation tube (51); A plurality of guide blocks (542) are provided and correspond one-to-one to the guide grooves (541), and the plurality of guide blocks (542) are all connected to the second connecting member (53).

4. A high-power brushed motor controller according to claim 2, characterized in that: The adjustment assembly (55) comprises an adjustment rod (551), a limit block (552), a rotating handle (553), a movable ring (554) and a return spring (555); One end of the adjusting rod (551) is rotatably connected to the second connecting member (53), and the other end of the adjusting rod (551) penetrates the mounting shell (2) and extends to the outside of the mounting shell (2); The limiting block (552) is located on the surface of the adjusting rod (551); The rotating handle (553) is located outside the mounting shell (2), and the rotating handle (553) is connected to the adjusting rod (551); The movable ring (554) is sleeved on the adjusting rod (551), and the movable ring (554) is rotatably connected to the second connecting member (53); The return spring (555) is sleeved on the adjustment rod (551), one end of the return spring (555) is connected to the movable ring (554), and the other end of the return spring (555) is connected to the inner wall of the mounting shell (2).

5. A high-power brushed motor controller according to claim 1, characterized in that: The surface of the mounting shell (2) is provided with heat dissipation fins (9), and a plurality of heat dissipation fins (9) are provided.

6. A high-power brushed motor controller according to claim 1, characterized in that: A main chip, capacitor components and inductor components are arranged on the power driving board (3).

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