A motor control device

Abstract

The present invention relates to the field of motor control technology, and discloses a motor control device, including a control box, an air pump is fixedly connected to the external top of the control box, a drying and heat dissipation mechanism is fixedly connected to the external of the control box, a cleaning mechanism is arranged inside the control box, and heat dissipation windows are arranged on both sides of the control box. The drying and heat dissipation mechanism is used to dry and cool the external air, and provide power for the cleaning mechanism, and can also cool down the electrical components inside the control box. The drying and heat dissipation mechanism includes heat dissipation fins, and the external of the heat dissipation fins is fixedly connected to the external of the control box. The drying and heat dissipation mechanism can dry the air before the air is sucked into the device, and then the dry air can enter the device, and at the same time, the device can dissipate heat, and then the water vapor can be prevented from corroding the electrical components inside the device, thereby improving the service life of the motor control device.

Description

Technical Field

[0001] The present invention relates to the technical field of motor control, and in particular to a motor control device. Background Art

[0002] A motor control device is a device used to control the operation of a motor. It receives external command signals to control the start, stop, speed, direction and other parameters of the motor to achieve precise control of the motor. Motor control devices are widely used in modern industry, transportation, home appliances and other fields.

[0003] The motor control box is a type of motor control device. Various motor control devices have complex circuits and electrical components inside, which requires heat dissipation when the motor control is in operation. Therefore, the motor control device basically drives a heat dissipation mechanism, but the heat dissipation mechanism of the motor control device in the prior art cannot dry and dehumidify the gas entering the control device during operation. This results in water vapor entering the device when the motor control device is used for a long time in a relatively humid area, causing the water vapor to corrode the electrical components inside the motor control device, thereby reducing the service life of the motor control device. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a motor control device, which solves the problem that the motor control device in the prior art does not have the function of drying and dehumidifying the air, causing water vapor to enter the device and corrode the electrical components inside the device, thereby reducing the service life of the motor control device.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a motor control device, including a control box, an air pump is fixedly connected to the external top end of the control box, a drying and heat dissipation mechanism is fixedly connected to the outside of the control box, a cleaning mechanism is arranged inside the control box, and heat dissipation windows are arranged on both sides of the control box. The drying and heat dissipation mechanism is used to dry and cool the external air, provide power for the cleaning mechanism, and at the same time cool the electrical components inside the control box.

[0006] Preferably, the drying and heat dissipation mechanism includes heat fins, the outside of the heat dissipation fins is fixedly connected to the outside of the control box, the inside of the heat dissipation fins is provided with a heat pipe, one end of the heat pipe is fixedly connected to the output end of the air pump, the outside of the control box is fixedly connected to a mounting plate, the top of the mounting plate is fixedly connected to a mounting box, the inside of the mounting box is rotatably connected to an impeller 1, the top of the impeller 1 is fixedly connected to a rotating rod, the top of the rotating rod is fixedly connected to a fan, the bottom of the heat pipe is fixedly connected to the outside of the mounting box, the input end of the air pump is fixedly connected to an installation elbow, the side of the installation elbow away from the air pump is fixedly connected to a mesh cover, and the inside of the mesh cover is fixedly connected to a heating wire.

[0007] Preferably, the cleaning mechanism comprises two mounting plates, the outside of the mounting plates being fixedly connected to two mounting brackets, one end of the mounting bracket away from the mounting plate being fixedly connected to the inner side of the control box body at one side of the heat dissipation window, the inside of the mounting plate being rotatably connected to a rotating shaft, the outside of the rotating shaft being fixedly connected to an impeller two, the inside of the rotating shaft being provided with a hexagonal groove, the inside of the rotating shaft being provided with a tightening spring, the inside of the hexagonal groove being provided with a hexagonal limiting plate, the side of the hexagonal limiting plate away from the tightening spring being fixedly connected to a sliding rod, and the side of the sliding rod away from the hexagonal limiting plate being fixedly connected to a cleaning brush, two end connecting pipes are fixedly connected between the tops of the two mounting plates, the top of one of the mounting plates is fixedly connected to a ventilation pipe, the bottom of the ventilation pipe is fixedly connected to a jet plate, the bottom of the other mounting plate is fixedly connected to a ventilation connecting pipe, and the bottom end of the ventilation connecting pipe is fixedly connected to the outside of the mounting box.

[0008] Preferably, the top of the fan is rotatably connected to a fixing frame, the periphery of the fixing frame is fixedly connected to a mounting cover, the outside of the mounting cover is fixedly connected to a mounting hoop, and one side of the mounting hoop is fixedly connected to the outside of the control box.

[0009] Preferably, the rotating rod is rotatably connected to the top of the installation box, and the fan is arranged inside the installation cover.

[0010] Preferably, a plurality of stabilizing hoops are fixedly connected to the outside of the connecting tubes at both ends, and the tops of the plurality of stabilizing hoops are fixedly connected to the inner top of the control box.

[0011] Preferably, one end of the pressing spring is fixedly connected to the inside of the hexagonal groove, and the other end of the pressing spring is fixedly connected to a side of the hexagonal limiting plate away from the sliding rod.

[0012] Preferably, the bottom of the jet plate is fixedly connected to the inner bottom end of the control box, and the sliding rod is slidably connected to the inside of the rotating shaft.

[0013] Preferably, the second impeller is arranged inside the mounting plate, and the rotating shaft passes through the mounting plate on a side of the inner wall close to the control box.

[0014] Preferably, the cleaning brush is close to the inner side of the heat dissipation window, and the second impeller is arranged inside the mounting plate.

[0015] The present invention provides a motor control device having the following beneficial effects: 1. The present invention can dry the air before sucking it into the device through a drying and heat dissipation mechanism, so that the dry air can enter the interior of the device, avoiding water vapor from entering the interior of the device. At the same time, it can dissipate heat for the device, thereby preventing water vapor from corroding the electrical components inside the device, thereby increasing the service life of the motor control device.

[0016] 2. The present invention can clean the heat dissipation holes on the motor control device through the cleaning mechanism to prevent the heat dissipation holes from being blocked by dust, thereby improving the heat dissipation effect of the device. At the same time, the cleaned dust will be blown out of the heat dissipation window by the gas ejected from the jet plate, thereby reducing the dust from entering the interior of the device, preventing dust from causing short circuits in electrical components, and thus avoiding economic losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of the present invention; Figure 2 It is a structural schematic diagram of the jet plate in the present invention; Figure 3 It is a structural schematic diagram of the impeller 1 in the present invention; Figure 4 It is a schematic diagram of the structure of the electric heating wire in the present invention; Figure 5 It is a schematic diagram of the structure of the cleaning brush in the present invention; Figure 6 It is a structural schematic diagram of the rotating shaft in the present invention; Figure 7 It is a structural schematic diagram of the hexagonal limiting plate in the present invention; Figure 8 The three-dimensional Figure 2 .

[0018] Among them, 1. control box; 2. air pump; 3. drying and heat dissipation mechanism; 301. heat dissipation fins; 302. heat dissipation pipe; 303. mounting plate; 304. mounting box; 305. impeller one; 306. rotating rod; 307. fan; 308. fixing frame; 309. mounting cover; 310. heating wire; 311. mounting hoop; 312. mounting elbow; 313. mesh cover; 4. cleaning mechanism; 401. mounting plate; 402. mounting frame; 403. rotating shaft; 404. impeller two; 405. hexagonal groove; 406. tightening spring; 407. hexagonal limit plate; 408. sliding rod; 409. cleaning brush; 410. connecting pipes at both ends; 411. stabilizing hoop; 412. ventilation connecting pipe; 413. ventilation pipe; 414. jet plate; 5. heat dissipation window. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Please refer to the attached Figure 1 -Attached Figure 8 An embodiment of the present invention provides a motor control device, including a control box 1, an air pump 2 is fixedly connected to the external top of the control box 1, a drying and heat dissipation mechanism 3 is fixedly connected to the outside of the control box 1, a cleaning mechanism 4 is arranged inside the control box 1, and heat dissipation windows 5 are arranged on both sides of the control box 1. The drying and heat dissipation mechanism 3 is used to dry and cool the external air, and provide power for the cleaning mechanism 4, and at the same time, it can cool the electrical components inside the control box 1.

[0021] The drying and heat dissipation mechanism 3 includes a heat dissipation fin 301, which can accelerate the cooling. The outside of the heat dissipation fin 301 is fixedly connected to the outside of the control box 1. The inside of the heat dissipation fin 301 is provided with a heat dissipation pipe 302, which has a ventilation function. One end of the heat dissipation pipe 302 is fixedly connected to the output end of the air pump 2. The outside of the control box 1 is fixedly connected to a mounting plate 303, which provides a mounting position. The top of the mounting plate 303 is fixedly connected to a mounting box 304, and the inside of the mounting box 304 is rotatably connected to an impeller 1 305, which can rotate in the airflow. The top of the impeller 305 is fixedly connected with a rotating rod 306, and the rotating rod 306 plays a connecting role. The top of the rotating rod 306 is fixedly connected with a fan 307. The rotation of the fan 307 can provide wind force to accelerate the cooling of the heat dissipation fins 301. The bottom of the heat dissipation pipe 302 is fixedly connected to the outside of the installation box 304. The input end of the air pump 2 is fixedly connected with an installation elbow 312, and the installation elbow 312 plays a connecting role. The side of the installation elbow 312 away from the air pump 2 is fixedly connected with a mesh cover 313, and the mesh cover 313 provides an installation position. The inside of the mesh cover 313 is fixedly connected with The heating wire 310 can heat the dry air. The top of the fan 307 is rotatably connected to the fixing frame 308. The outer periphery of the fixing frame 308 is fixedly connected to the mounting cover 309. The mounting cover 309 provides a mounting space. The outside of the mounting cover 309 is fixedly connected to the mounting hoop 311. The mounting hoop 311 can stabilize the mounting cover 309. One side of the mounting hoop 311 is fixedly connected to the outside of the control box 1. The rotating rod 306 is rotatably connected to the top of the mounting box 304. The fan 307 is arranged inside the mounting cover 309. The motor control device will generate heat when used for a long time, so it needs to be To cool down, first start the air pump 2, and the input end of the air pump 2 inhales air. At this time, the air will be heated by the heating wire 310 to make the air dry, and will be drawn into the air pump 2 through the installation elbow 312. At this time, the dried air will be passed into the heat dissipation pipe 302 through the output end of the air pump 2. At this time, the air can be dissipated through the heat dissipation fins 301. At the same time, when the air enters the interior of the installation box 304 through the heat dissipation pipe 302, it can drive the impeller 305 to rotate, and then drive the rotating rod 306 and the fan 307 to rotate, and then generate wind to accelerate the heat dissipation of the heat dissipation fins 301.

[0022] The cleaning mechanism 4 includes two mounting plates 401, which provide mounting positions. Two mounting frames 402 are fixedly connected to the outside of the mounting plates 401. The mounting frames 402 can mount the mounting plates 401. One end of the mounting frames 402 away from the mounting plates 401 is fixedly connected to the inner side of the control box 1 on one side of the heat dissipation window 5. The inside of the mounting plates 401 is rotatably connected to a rotating shaft 403. The outside of the rotating shaft 403 is fixedly connected to an impeller 2 404. The impeller 2 404 rotates with the airflow. A hexagonal groove 405 is provided inside the rotating shaft 403. A tightening spring 406 is provided inside the hexagonal groove 405. A hexagonal limiting plate 407 is provided inside the hexagonal groove 405. The hexagonal limiting plate 407 is fixedly connected to the side away from the tightening spring 406. It is connected to a sliding rod 408, and a cleaning brush 409 is fixedly connected to one side of the sliding rod 408 away from the hexagonal limiting plate 407. After the cleaning brush 409 contacts the inner wall of the heat dissipation window 5, the tightening spring 406 is pushed and compressed by the hexagonal limiting plate 407. Therefore, the tightening spring 406 can give a reaction force to the hexagonal limiting plate 407, and then the reaction force can be transmitted to the cleaning brush 409 through the sliding rod 408, so that the cleaning brush 409 can be close to the inner wall of the heat dissipation window 5, so that the cleaning effect of the cleaning brush 409 is better. The tops of the two mounting plates 401 are fixedly connected with connecting pipes 410 at both ends, and the connecting pipes 410 at both ends play a connecting role. The top of one of the mounting plates 401 is fixedly connected with a ventilation pipe 413, and the ventilation pipe 413 plays a connecting role. The bottom of the vent pipe 413 is fixedly connected with an injection plate 414, which can eject gas and has a large injection area. Another mounting plate 401 is fixedly connected with a vent pipe 412 at the bottom, and the vent pipe 412 plays a connecting role. The bottom end of the vent pipe 412 is fixedly connected to the outside of the mounting box 304, and the outsides of the connecting pipes 410 at both ends are fixedly connected with a plurality of stabilizing hoops 411. The stabilizing hoops 411 can fix the connecting pipes 410 at both ends to the internal top ends of the control box 1 to improve the stability of the connecting pipes 410 at both ends. The tops of the plurality of stabilizing hoops 411 are fixedly connected to the internal top ends of the control box 1, and one end of the tightening spring 406 is fixedly connected to the inside of the hexagonal groove 405, and the tightening spring 40 The other end of 6 is fixedly connected to the side of the hexagonal limit plate 407 away from the sliding rod 408, the bottom of the jet plate 414 is fixedly connected to the inner bottom end of the control box body 1, the sliding rod 408 is slidably connected to the inside of the rotating shaft 403, the impeller 2 404 is arranged inside the mounting plate 401, the rotating shaft 403 passes through the inner wall side of the mounting plate 401 close to the control box body 1, the cleaning brush 409 is close to the inner side of the heat dissipation window 5, the impeller 2 404 is arranged inside the mounting plate 401, the air entering the mounting box 304 will be discharged through the ventilation connecting pipe 412, and enter the interior of the mounting plate 401 through the ventilation connecting pipe 412, so as to drive the impeller 2 404 to rotate, and after the impeller 2 404 rotates, it can drive the rotating shaft 403 to rotate,After the rotating shaft 403 rotates, it drives the hexagonal slot 405, the sliding rod 408 and the cleaning brush 409 to rotate, and then the cleaning brush 409 can be used to clean the heat dissipation window 5. At the same time, the gas is passed into the inside of another mounting plate 401 through the connecting pipes 410 at both ends, and can enter the inside of the jet plate 414 through the ventilation pipe 413. At this time, the gas ejected from the jet plate 414 is the gas dried by the electric heating wire 310, and is also cooled by the heat dissipation fins 301, so it can cool the motor control device and keep the dry gas to prevent the humid gas from damaging the electrical components in the control device.

[0023] Working principle: the motor control device will generate heat when used for a long time, so it needs to be cooled. First, the air pump 2 is started, and the input end of the air pump 2 inhales air. At this time, the air will be heated by the heating wire 310 to make the air dry, and then be drawn into the air pump 2 through the installation elbow 312. At this time, the dried air is passed into the heat dissipation pipe 302 through the output end of the air pump 2. At this time, the air can be dissipated through the heat dissipation fins 301. At the same time, when the air enters the interior of the installation box 304 through the heat dissipation pipe 302, it can drive the impeller 305 to rotate, and then drive the rotating rod 306 and the fan 307 to rotate, and then generate wind to accelerate the heat dissipation of the heat dissipation fins 301; The air entering the installation box 304 will be discharged through the ventilation connecting pipe 412, and enter the interior of the installation disk 401 through the ventilation connecting pipe 412, thereby driving the second impeller 404 to rotate. After the second impeller 404 rotates, it can drive the rotating shaft 403 to rotate. After the rotating shaft 403 rotates, it drives the hexagonal groove 405, the sliding rod 408 and the cleaning brush 409 to rotate, and then the cleaning brush 409 can be used to clean the heat dissipation window 5. At the same time, the two-section connecting pipe 410 is used to pass the gas into the interior of another installation disk 401, and can enter the interior of the jet plate 414 through the ventilation pipe 413. At this time, the gas ejected from the jet plate 414 is the gas dried by the heating wire 310, and is also cooled by the heat dissipation fins 301. Therefore, it can cool the motor control device and keep the dry gas to prevent the humid gas from damaging the electrical components in the control device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor control device, comprising a control box (1), characterized in that: The top end of the control box (1) is fixedly connected to an air pump (2), the outside of the control box (1) is fixedly connected to a drying and heat dissipation mechanism (3), the interior of the control box (1) is provided with a cleaning mechanism (4), and both sides of the control box (1) are provided with heat dissipation windows (5), the drying and heat dissipation mechanism (3) is used to dry and cool the external air, and to provide power for the cleaning mechanism (4), and at the same time, the temperature of the electrical components inside the control box (1) can be reduced.

2. A motor control device according to claim 1, characterized in that: The drying and heat dissipation mechanism (3) comprises a heat dissipation fin (301), the outside of the heat dissipation fin (301) is fixedly connected to the outside of the control box (1), the inside of the heat dissipation fin (301) is provided with a heat dissipation pipe (302), one end of the heat dissipation pipe (302) is fixedly connected to the output end of the air pump (2), the outside of the control box (1) is fixedly connected to a mounting plate (303), the top of the mounting plate (303) is fixedly connected to a mounting box (304), and the inside of the mounting box (304) is rotated An impeller (305) is connected, the top of the impeller (305) is fixedly connected to a rotating rod (306), the top of the rotating rod (306) is fixedly connected to a fan (307), the bottom of the heat dissipation pipe (302) is fixedly connected to the outside of the installation box (304), the input end of the air pump (2) is fixedly connected to a mounting elbow (312), the side of the mounting elbow (312) away from the air pump (2) is fixedly connected to a mesh cover (313), and the interior of the mesh cover (313) is fixedly connected to an electric heating wire (310).

3. A motor control device according to claim 1, characterized in that: The cleaning mechanism (4) comprises two mounting plates (401), the outside of the mounting plates (401) being fixedly connected to two mounting frames (402), one end of the mounting frames (402) being away from the mounting plates (401) being fixedly connected to the inner side of the control box (1) and located on one side of the heat dissipation window (5), the inside of the mounting plates (401) being rotatably connected to a rotating shaft (403), the outside of the rotating shaft (403) being fixedly connected to a second impeller (404), the inside of the rotating shaft (403) being provided with a hexagonal groove (405), the inside of the hexagonal groove (405) being provided with a tightening spring (406), the inside of the hexagonal groove (405) being provided with a hexagonal limiting plate (407), A sliding rod (408) is fixedly connected to the side of the hexagonal limiting plate (407) away from the pressing spring (406), and a cleaning brush (409) is fixedly connected to the side of the sliding rod (408) away from the hexagonal limiting plate (407). A connecting pipe (410) at both ends is fixedly connected between the tops of the two mounting plates (401), wherein a vent pipe (413) is fixedly connected to the top of one of the mounting plates (401), and an air jet plate (414) is fixedly connected to the bottom of the vent pipe (413), and a vent connecting pipe (412) is fixedly connected to the bottom of the other mounting plate (401), and the bottom end of the vent connecting pipe (412) is fixedly connected to the outside of the mounting box (304).

4. A motor control device according to claim 2, characterized in that: The top of the fan (307) is rotatably connected to a fixing frame (308), the outer periphery of the fixing frame (308) is fixedly connected to a mounting cover (309), the outside of the mounting cover (309) is fixedly connected to a mounting hoop (311), and one side of the mounting hoop (311) is fixedly connected to the outside of the control box (1).

5. A motor control device according to claim 4, characterized in that: The rotating rod (306) is rotatably connected to the top of the installation box (304), and the fan (307) is arranged inside the installation cover (309).

6. A motor control device according to claim 3, characterized in that: The exterior of the connecting tubes (410) at both ends is fixedly connected to a plurality of stabilizing hoops (411), and the tops of the plurality of stabilizing hoops (411) are fixedly connected to the internal top of the control box (1).

7. A motor control device according to claim 3, characterized in that: One end of the pressing spring (406) is fixedly connected to the inside of the hexagonal groove (405), and the other end of the pressing spring (406) is fixedly connected to a side of the hexagonal limiting plate (407) away from the sliding rod (408).

8. The motor control device according to claim 3, characterized in that: The bottom of the jet plate (414) is fixedly connected to the inner bottom end of the control box (1), and the sliding rod (408) is slidably connected to the inside of the rotating shaft (403).

9. The motor control device according to claim 3, characterized in that: The second impeller (404) is arranged inside the mounting plate (401), and the rotating shaft (403) passes through a side of the inner wall of the mounting plate (401) close to the control box (1).

10. The motor control device according to claim 3, characterized in that: The cleaning brush (409) is closely attached to the inner side of the heat dissipation window (5), and the second impeller (404) is arranged inside the mounting plate (401).

Images