Low-voltage high-power brushless direct current motor controller

Abstract

The utility model discloses a low-voltage high-power brushless direct current motor controller, which comprises a bottom component, a controller body is fixedly mounted at the top of the bottom component, the bottom component is used for supporting and radiating the controller body, a top cover component is mounted at the top of the controller body, and the controller body comprises a shell fixed on the bottom component. A single-chip microcomputer is arranged in the shell, a wiring port is fixedly connected to one side of the single-chip microcomputer, a ventilation opening is formed in one side of the shell, a dustproof assembly is installed on one side of the shell, a plurality of baffles are fixedly installed on one side of the shell, and installation grooves are formed in the baffles and the shell. According to the utility model, the dustproof assembly is inserted into the installation groove at one side of the housing in a limited manner, and then the dustproof assembly is firmly attached to the housing through the pushing force of the attaching assembly, so that the dustproof assembly can be conveniently disassembled and assembled, and when the top cover assembly of the low-voltage high-power brushless direct current motor controller is turned upwards, the dustproof assembly can be firmly attached to the housing through the pushing force of the attaching assembly. And the dustproof assembly does not fall off due to slight external force.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of DC motor controller, concretely is a low pressure high -power brushless DC motor controller. BACKGROUND

[0002] The biggest feature of the brushless DC motor is that there is no mechanical contact structure composed of commutator and brush, and the past DC motor adopts brush to mechanically commutate, thus bringing noise, spark, unlimited electric interference and short service life and other weaknesses, and the brushless DC motor has a series of characteristics such as simple structure, reliable operation and convenient maintenance of AC motor, and also has many advantages such as high operation efficiency, no excitation loss and good speed regulation performance of DC motor.

[0003] The prior art discloses a low pressure high -power brushless DC motor controller, including the bottom plate, the bottom plate is concave letter structure, the bottom plate is connected with the installation cover on the top, the sidewall surface of the bottom plate is provided with a heat dissipation opening and a wire hole, the internal bottom surface of the bottom plate is fixedly installed with a circuit board, the power cord passes through the wire hole and is connected with the internal circuit board, the both sides of the inner wall surface of the bottom plate are provided with installation grooves, the both sides of the wall surface of the installation groove are provided with sliding grooves, in the utility model, the dustproof plate and the clamping device are arranged, when the plug-in column moves downward in the plug-in port, the top of the plug-in column will contact the front end of the sliding rod, the sliding rod is retracted into the sliding cavity, so that the tail end of the sliding rod is clamped into the corresponding clamping groove, after clamping is completed, installation is completed, the whole process is simple operation, and replacement and cleaning are more convenient.

[0004] In the above patent, the top of the plug-in column is in contact with the front end of the sliding rod, the sliding rod is retracted into the sliding cavity, and the tail end of the sliding rod is clamped into the corresponding clamping groove, so as to achieve the purpose of replacing and cleaning the dustproof plate more conveniently, however, this way of cleaning the dustproof plate, when the installation cover is pulled out, the whole dustproof plate loses the original supporting force, which will cause the dustproof plate to fall down when it loses the supporting force and receives slight external force, and the fallen dustproof plate will directly fall into the motor controller, at this time, dust will also fall into the motor controller instantly, thereby greatly reducing the practicability of the low pressure high -power brushless DC motor controller. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcomings of prior art, and provides a low pressure high -power brushless DC motor controller, which solves the above technical problems.

[0006] In order to achieve the above object, the utility model is through the following technical scheme to realize: a low pressure high power brushless DC motor controller, including bottom assembly, the bottom assembly top fixedly installed with controller body, the bottom assembly is used for the support of controller body and heat dissipation, the controller body top is installed with top cover assembly, the controller body includes the shell fixed on the bottom assembly, the shell is provided with singlechip for controlling motor, singlechip side fixedly connected with the wiring port for being connected with motor, the shell one side is provided with the vent for ventilation, the shell is detachably installed with dustproof assembly on one side close to the vent, the shell is fixedly installed with a plurality of baffle on one side close to the vent, the baffle forms the mounting groove with the shell, and the dustproof assembly is located in the mounting groove. Dustproof assembly is located in the mounting groove, so that the dustproof assembly can be long-term stable in the mounting groove, which greatly improves the stability of the internal structure installation of the low pressure high power brushless DC motor controller.

[0007] Further, the dustproof assembly includes a dustproof plate located in the mounting groove, the dustproof plate is provided with a plurality of inner holes for dust prevention, and the dustproof plate is provided with a notch groove for facilitating disassembly of the dustproof plate. The dustproof plate is provided with a notch groove for facilitating disassembly of the dustproof plate, so that the user can also quickly buckle the dustproof plate through the notch groove, improving the convenience of disassembling the dustproof plate in the low pressure high power brushless DC motor controller.

[0008] Further, the bottom assembly includes a support body fixed to the bottom of the shell, the support body is fixedly installed with an outer frame at the center position, the outer frame is fixedly installed with a support bolt away from the controller body, the support bolt is fixedly installed on the support body, and the outer frame is provided with a fan for heat dissipation of the singlechip. The outer frame is provided with a fan for heat dissipation of the singlechip, which greatly improves the heat dissipation of the singlechip during operation.

[0009] Further, the top cover assembly includes a top plate, the top plate is fixedly installed with an insertion strip for insertion into the shell on both sides, the insertion strip is fixed with the shell through bolts, and the top plate is fixedly installed with a fitting assembly for extruding the dustproof assembly on the side close to the dustproof assembly. The top plate is fixedly installed with a fitting assembly for extruding the dustproof assembly on the side close to the dustproof assembly, and the fitting assembly can firmly fit the dustproof assembly, greatly improving the tightness of the internal structure installation of the low pressure high power brushless DC motor controller.

[0010] Further, the fitting assembly includes a positioning plate fixedly installed on the top plate, the positioning plate is fixedly installed with a limiting frame on the side close to the dustproof assembly, and the limiting frame is movably provided with an inclined block for extruding and pushing the dustproof assembly.

[0011] Further, the positioning plate is fixedly installed with a spring and a damper near one end of the inclined block, and the spring and the damper are fixedly installed on the inclined block away from the positioning plate. The spring and the damper are fixedly installed on the inclined block away from the positioning plate, and the spring and the damper cooperate to dampen the vibration generated during the operation of the low-voltage high-power brushless DC motor controller, thereby improving the practicability of the low-voltage high-power brushless DC motor controller.

[0012] Further, the end of the inclined block close to the dustproof assembly is an inclined surface. When the inclined block descends, the inclined surface presses the dustproof assembly to make the spring shrink, and the rebounding spring can press the dustproof assembly. Advantages

[0013] Compared with the prior art, the low-voltage high-power brushless DC motor controller has the following advantages:

[0014] The dustproof assembly is inserted into the mounting groove on one side of the shell, and then the dustproof assembly is firmly attached to the shell by the pushing force of the attaching assembly, so that the dustproof assembly can be conveniently disassembled and assembled, and the top cover assembly of the low-voltage high-power brushless DC motor controller will not fall off due to slight external force when it is turned up, thereby greatly improving the practicability of the low-voltage high-power brushless DC motor controller. DETAILED DESCRIPTION

[0015] Figure 1 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0016] Figure 2 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0017] Figure 3 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0018] Figure 4 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0019] Figure 5 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0020] Figure 6 It is a structure diagram of the low-voltage high-power brushless DC motor controller.

[0021] In the figure: 1, top cover assembly; 2, controller body; 3, bottom assembly; 21, shell; 22, dustproof assembly; 23, ventilation opening; 24, single-chip microcomputer; 25, wiring port; 26, baffle; 27, mounting groove; 31, support body; 32, support bolt; 33, outer frame; 34, fan; 221, dustproof plate; 222, notch groove; 223, inner hole; 11, fitting assembly; 12, insertion strip; 13, top plate; 111, inclined block; 112, spring; 113, damper; 114, limiting frame; 115, positioning plate. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] EMBODIMENT

[0024] The following will be described in conjunction with the drawings Figure 1 - the drawings Figure 6The application will be described in further detail. A low-voltage high-power brushless DC motor controller, comprising a bottom assembly 3, a controller body 2 is fixedly installed on the top of the bottom assembly 3, the bottom assembly 3 is used for supporting and heat dissipation of the controller body 2, a top cover assembly 1 is installed on the top of the controller body 2, the controller body 2 comprises an outer shell 21 fixed on the bottom assembly 3, a single-chip microcomputer 24 for controlling the motor is arranged in the outer shell 21, a wiring port 25 for connecting with the motor is fixedly connected on one side of the single-chip microcomputer 24, a ventilation port 23 for ventilation is formed on one side of the outer shell 21, a dustproof assembly 22 is detachably installed on one side of the outer shell 21 close to the ventilation port 23, a plurality of baffles 26 are fixedly installed on one side of the outer shell 21 close to the ventilation port 23, the baffles 26 form mounting grooves 27 in the outer shell 21, the dustproof assembly 22 is located in the mounting grooves 27, the dustproof assembly 22 comprises a dustproof plate 221 located in the mounting grooves 27, a plurality of inner holes 223 for dust prevention are formed in the dustproof plate 221, a notch groove 222 for facilitating disassembly of the dustproof plate 221 is formed on the top of the dustproof plate 221, the bottom assembly 3 comprises a support body 31 fixed on the bottom of the outer shell 21, an outer frame 33 is fixedly installed at the center position of the support body 31, a support bolt 32 is fixedly installed on the support body 31 and fixedly installed on one end of the outer frame 33 away from the controller body 2, a fan 34 for heat dissipation of the single-chip microcomputer 24 is arranged in the outer frame 33, the top cover assembly 1 comprises a top plate 13, plug strips 12 for being inserted into the inner part of the outer shell 21 are fixedly installed on both sides of the top plate 13, the plug strips 12 are fixedly connected with the outer shell 21 through bolts, a fitting assembly 11 for extruding the dustproof assembly 22 is fixedly installed on one side of the top plate 13 close to the dustproof assembly 22, the fitting assembly 11 comprises a positioning plate 115 fixedly installed on the top plate 13, a limiting frame 114 is fixedly installed on one side of the positioning plate 115 close to the dustproof assembly 22, an inclined block 111 for extruding and pushing the dustproof assembly 22 is movably arranged at the front end of the limiting frame 114, a spring 112 and a damper 113 are fixedly installed on one end of the positioning plate 115 close to the inclined block 111, the spring 112 and the damper 113 are fixedly installed on the inclined block 111 away from the positioning plate 115, and one end of the inclined block 111 close to the dustproof assembly 22 is an inclined surface.

[0025] The mounting groove 27 is formed between the baffle 26 and the shell 21, and the dustproof assembly 22 is directly placed in the mounting groove 27, so that there are some gaps between the mounting groove 27 and the dustproof assembly 22. The purpose of the fitting assembly 11 is to compact the gaps between the mounting groove 27 and the dustproof assembly 22. When the inclined block 111 moves downward, the inclined surface of the inclined block 111 first contacts the dustproof assembly 22. The continuous downward movement of the inclined block 111 causes the spring 112 to contract. When the vertical surface of the inclined block 111 contacts the dustproof assembly 22, the spring 112 is stretched to press the dustproof assembly 22 onto the mounting groove 27. The presence of the damper 113 can also dampen the vibration generated by the low-voltage high-power brushless DC motor controller.

[0026] The insertion strip 12 is located inside the shell 21, so when the top plate 13 covers the shell 21, the insertion strip 12 is located inside the shell 21 on both sides. At this time, the user can firmly fix the insertion strip 12 on both sides of the shell 21 by bolts, thereby completing the installation of the entire low-voltage high-power brushless DC motor controller.

[0027] The bottom assembly 3 and the controller body 2 are in communication, so when the single-chip microcomputer 24 controls the fan 34 to rotate, the rotation of the fan 34 can cool the single-chip microcomputer 24 and blow the dust on the dustproof assembly 22 outward, thereby further improving the cleanliness of the low-voltage high-power brushless DC motor controller.

[0028] The working principle of the utility model is described as follows: the various mechanical structures in the low-voltage high-power brushless DC motor controller are fixed by threads if not explicitly stated, and the bolt connections are appropriately hidden in the drawing to enable more intuitive observation of the professional technical features. When using the low-voltage high-power brushless DC motor controller, the user needs to place the corresponding single-chip microcomputer 24 into the shell 21, then the user places the dustproof assembly 22 into the mounting groove 27, then the user holds the top plate 13 and covers the entire top plate 13 on the top of the shell 21, and inserts the plug 12 into the shell 21, then only needs to fix the plug 12 and the shell 21 together with bolts, which can complete the installation of the entire low-voltage high-power brushless DC motor controller. The user connects the single-chip microcomputer 24 and the brushless DC motor together through the wiring port 25, which can control the brushless DC motor with the single-chip microcomputer 24. When the top plate 13 covers the top of the shell 21, the inclined block 111 directly contacts the dustproof assembly 22. Since the inclined surface of the inclined block 111 contacts the dustproof assembly 22 first, the spring 112 and the damper 113 are compressed. As the inclined block 111 continues to drop, the inclined block 111 directly enters one side of the dustproof assembly 22. At this time, the spring 112 and the damper 113 extend outward and press the dustproof assembly 22, so that the dustproof assembly 22 is always attached to the shell 21, thereby preventing the dustproof assembly 22 from being shaken by external force and falling dust on the single-chip microcomputer 24. The spring 112 cooperates with the damper 113 to reduce the vibration generated during the operation of the low-voltage high-power brushless DC motor controller, thereby improving the damping effect of the low-voltage high-power brushless DC motor controller. When the single-chip microcomputer 24 needs to be cooled, the user only needs to start the fan 34 through the single-chip microcomputer 24 to start the fan 34 to cool the single-chip microcomputer 24. Through the above description, the low-voltage high-power brushless DC motor controller can be easily disassembled and assembled when in use, and the dustproof assembly 22 will not fall randomly after the top plate 13 is disassembled, thereby greatly improving the practicability of the low-voltage high-power brushless DC motor controller.

[0029] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as within the scope of the present disclosure.

Claims

1. A low voltage high power brushless DC motor controller, characterized by, The utility model provides a controller body (2) is fixedly installed on the top of bottom assembly (3), and bottom assembly (3) is used for the support and heat dissipation of controller body (2), and the top cover assembly (1) is installed on the top of controller body (2), and controller body (2) includes the shell (21) fixed on bottom assembly (3), and the singlechip (24) for controlling motor is arranged in shell (21), and the singlechip (24) side fixedly connected with the wiring port (25) for being connected with motor, and the air vent (23) for ventilation is formed on the side of shell (21), and dustproof assembly (22) is detachably installed on the side of shell (21) near air vent (23), and a plurality of baffle (26) is fixedly installed on the side of shell (21) near air vent (23), and baffle (26) forms installation groove (27) with shell (21) in, and dustproof assembly (22) is located in installation groove (27).

2. A low-voltage high-power brushless DC motor controller according to claim 1, characterized in that: The dustproof assembly (22) includes a dustproof plate (221) located in the installation groove (27), the dustproof plate (221) is provided with a plurality of inner holes (223) for dust prevention, and the dustproof plate (221) is provided with a notch groove (222) at the top for facilitating the disassembly of the dustproof plate (221).

3. A low-voltage high-power brushless DC motor controller according to claim 1, characterized in that: The bottom assembly (3) includes a support body (31) fixed on the bottom of the shell (21), an outer frame (33) fixedly installed at the center of the support body (31), a support bolt (32) fixedly installed on the support body (31) and fixedly installed at the end of the outer frame (33) away from the controller body (2), and a fan (34) arranged in the outer frame (33) for heat dissipation of the singlechip (24).

4. A low-voltage high-power brushless DC motor controller according to claim 1, characterized in that: The top cover assembly (1) includes a top plate (13), and the top plate (13) is provided with two insertion strips (12) fixedly installed on both sides for insertion into the inside of the shell (21), the insertion strips (12) are fixedly connected with the shell (21) through bolts, and the top plate (13) is provided with a fitting assembly (11) fixedly installed on the side near the dustproof assembly (22) at the bottom for extruding the dustproof assembly (22).

5. A low-voltage high-power brushless DC motor controller according to claim 4, characterized in that: The fitting assembly (11) includes a positioning plate (115) fixedly installed on the top plate (13), a limiting frame (114) fixedly installed on the side near the dustproof assembly (22) of the positioning plate (115), and an inclined block (111) movably arranged at the front end of the limiting frame (114) for extruding and pushing the dustproof assembly (22).

6. A low-voltage high-power brushless DC motor controller according to claim 5, characterized in that: The positioning plate (115) is provided with a spring (112) and a damper (113) fixedly installed at the end near the inclined block (111), and the spring (112) and the damper (113) are fixedly installed on the inclined block (111) at the end away from the positioning plate (115).

7. A low-voltage high-power brushless DC motor controller according to claim 5, characterized in that: The end of the inclined block (111) near the dustproof assembly (22) is an inclined surface.

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