Heat dissipation type unit permanent magnet motor

Abstract

The utility model relates to a heat dissipation type unit permanent magnet motor in the technical field of permanent magnet motors. The left side of a heat dissipation shell is provided with a heat dissipation net used for dissipating heat of a permanent magnet motor body; and the heat dissipation device comprises a heat dissipation assembly used for conducting heat dissipation on the heat dissipation shell, the sweeping device comprises a driving assembly connected with the third gear in an engaged mode, and a sweeping assembly used for sweeping the left end of the heat dissipation net is arranged on the left side of the driving assembly. When the permanent magnet motor body works, heat dissipation blades can be driven by a transmission shaft to enable cold air on the outer side of the heat dissipation shell to pass through a heat dissipation net and hot air inside the heat dissipation shell to be exhausted through an exhaust outlet, so that heat dissipation of the permanent magnet motor body in the heat dissipation shell is facilitated; therefore, the rotating rod can drive the four sweeping brushes to sweep the left end of the heat dissipation net, so as to prevent the dust from being adsorbed on the heat dissipation net to cause the air in the heat dissipation shell not to circulate and to affect the heat dissipation of the permanent magnet motor body.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a heat dissipation type unit permanent magnet motor. Background Art

[0002] Permanent magnet motors have the advantages of high efficiency, high power density, large power factor, large starting torque, and wide speed regulation range. They have gradually replaced induction motors and switched reluctance motors. When the existing permanent magnet motors are in use, an exhaust mechanism is used to draw air outside the permanent magnet motor into the permanent magnet motor, and external dust will be adsorbed onto the filter net and affect the heat dissipation of the permanent magnet motor.

[0003] For example, a polarized heat dissipation type unit permanent magnet motor with Chinese patent application number CN202221337987.2, wherein the output end of the permanent magnet motor is connected with a rotating shaft, the outer wall of the permanent magnet motor is sleeved and installed with a heat dissipation shell, a fixed sleeve is provided on the right side of the heat dissipation shell, a condenser is provided in the fixed sleeve, a filter is provided on the right side wall of the fixed sleeve, a water absorption layer is provided on the left side wall of the fixed sleeve, a water inlet pipe and a water outlet pipe are provided through the right side wall of the filter, one end of the water inlet pipe and the water outlet pipe are connected with the inside of the condenser, and an exhaust mechanism is provided on the left side of the permanent magnet motor. It has the following technical defects: when the permanent magnet motor is used, the exhaust mechanism is used to draw air outside the permanent magnet motor into the permanent magnet motor for cooling and heat dissipation, and dust outside the permanent magnet motor will be adsorbed on the filter under the exhaust of the exhaust mechanism, thereby clogging the filter and affecting the heat dissipation of the permanent magnet motor. Summary of the invention

[0004] In order to solve the problem raised in the above background technology that when the permanent magnet motor is used, an exhaust mechanism is used to draw air outside the permanent magnet motor into the permanent magnet motor for cooling and heat dissipation, and the dust outside the permanent magnet motor will be adsorbed on the filter net under the exhaust of the exhaust mechanism, thereby clogging the filter net and affecting the heat dissipation of the permanent magnet motor, the utility model provides the following technical solutions: a heat dissipation unit permanent magnet motor, comprising a heat dissipation shell for dissipating the heat of the permanent magnet motor body, a heat dissipation device for dissipating the heat of the permanent magnet motor body is arranged in the shell cavity of the heat dissipation shell, and a cleaning device for cleaning the left end of the heat dissipation shell is arranged at the left end of the heat dissipation shell.

[0005] A heat dissipation net for dissipating heat from the permanent magnet motor body is arranged on the left side of the heat dissipation shell.

[0006] The heat dissipation device comprises a heat dissipation component for dissipating heat from a heat dissipation housing, and a gear three is arranged on the shaft of the heat dissipation component for driving a cleaning device to clean the left end of the heat dissipation net.

[0007] The cleaning device comprises a driving assembly meshingly connected with the gear, and a cleaning assembly for cleaning the left end of the heat dissipation net is arranged on the left side of the driving assembly.

[0008] Furthermore, a rotating shaft is provided on the front side of the permanent magnet motor body, a gear 1 for rotating synchronously with the rotating shaft is provided on the shaft body of the permanent magnet motor body, and a plurality of horizontal openings are provided on the permanent magnet motor body, and the plurality of horizontal openings are distributed in a circular array on the permanent magnet motor body.

[0009] Furthermore, the heat dissipation assembly includes gear 2 meshingly connected to gear 1, the left end of gear 2 is fixedly mounted with a transmission shaft for rotation, and gear 3 is located on the shaft body of the transmission shaft, and the left end of the transmission shaft is fixedly mounted with a heat dissipation blade for dissipating the heat of the permanent magnet motor body.

[0010] Furthermore, the driving assembly includes a gear four meshingly connected to the gear three, and a rotating rod for driving the cleaning assembly to clean the heat dissipation net is provided in the middle of the wheel body of the gear four.

[0011] Furthermore, the cleaning assembly includes a turntable fixedly mounted on the left end of the rotating rod for rotation, and a cleaning brush for cleaning the left end of the heat dissipation net is provided on the turntable body. There are four cleaning brushes, which are distributed in a circular array on the turntable body.

[0012] Furthermore, an exhaust port for exhausting the gas in the heat dissipation shell is provided at the right end of the heat dissipation shell, and there are four exhaust ports, which are distributed in a circular array at the left end of the heat dissipation shell.

[0013] Compared with the prior art, the beneficial effect of the utility model is as follows: by arranging the heat dissipation device and the cleaning device, when the permanent magnet motor body needs to work, and under the meshing connection between gear one and gear two, the heat dissipation blades can be driven by the transmission shaft to discharge the cold air on the outside of the heat dissipation shell through the heat dissipation net to the hot air inside the heat dissipation shell through the exhaust port, so as to dissipate the heat of the permanent magnet motor body in the heat dissipation shell; at the same time, under the meshing connection between gear four and gear three, four cleaning brushes can be driven by the rotating rod to clean the left end of the heat dissipation net, so as to prevent dust from being adsorbed on the heat dissipation net and causing the air in the heat dissipation shell to be blocked, thereby affecting the heat dissipation of the permanent magnet motor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the heat dissipation housing of the utility model;

[0016] Figure 3This is a schematic diagram of the structure of the heat dissipation device of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle;

[0018] Figure 5 It is a schematic diagram of the structure of the cleaning device of the utility model.

[0019] In the accompanying drawings, the names of the components represented by each figure mark are listed as follows: 100-permanent magnet motor body, 101-rotating shaft, 102-gear one, 103-horizontal mouth; 200-heat dissipation shell, 201-exhaust outlet, 202-heat dissipation net; 300-heat dissipation device, 310-heat dissipation component, 311-gear two, 312-transmission shaft, 313-heat dissipation blade, 320-gear three; 400-cleaning device, 410-driving component, 411-gear four, 412-rotating rod, 420-cleaning component, 421-turntable, 422-cleaning brush. DETAILED DESCRIPTION

[0020] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0021] See also Figure 1-Figure 5 The utility model provides a heat dissipation type unit permanent magnet motor.

[0022] Permanent magnet motors have the advantages of high efficiency, high power density, high power factor, large starting torque, wide speed regulation range, etc., and have gradually replaced induction motors and switched reluctance motors; and when the existing permanent magnet motors are in use, an exhaust mechanism is used to draw air outside the permanent magnet motor into the permanent magnet motor, and external dust will be adsorbed on the filter net and affect the heat dissipation of the permanent magnet motor; therefore, it is necessary to improve it, including a heat dissipation shell 200 for dissipating heat from the permanent magnet motor body 100, a heat dissipation device 300 for dissipating heat from the permanent magnet motor body 100 is arranged in the shell cavity of the heat dissipation shell 200, and a cleaning device 400 for cleaning the left end of the heat dissipation shell 200 is arranged at the left end of the heat dissipation shell 200; a rotating shaft 101 for rotating is arranged on the front side of the permanent magnet motor body 100, and a gear 102 for rotating synchronously with the rotating shaft 101 is arranged on the shaft body of the rotating shaft 101, and the gear 102 is arranged on the shaft body of the rotating shaft 101, and the gear 102 is arranged on the shaft body of the rotating shaft 101. Wheel 102 is installed on the shaft body of the rotating shaft 101 through a key connection; a horizontal opening 103 is opened on the permanent magnet motor body 100, and there are several horizontal openings 103, and several horizontal openings 103 are distributed in a circular array on the permanent magnet motor body 100; a heat dissipation net 202 for dissipating heat to the permanent magnet motor body 100 is arranged on the left side of the heat dissipation shell 200, and an exhaust port 201 for discharging the gas in the heat dissipation shell 200 is opened at the right end of the heat dissipation shell 200, and there are four exhaust ports 201, and the four exhaust ports 201 are distributed in a circular array at the left end of the heat dissipation shell 200; thus, when the rotating shaft of the permanent magnet motor body 100 is working, the heat dissipation device 300 can be driven to discharge the cold air outside the heat dissipation shell 200 through the heat dissipation net 202 to the hot air inside the heat dissipation shell 200 through the exhaust port 201, so as to dissipate the heat of the permanent magnet motor body 100 in the heat dissipation shell 200.

[0023] The heat dissipation device 300 includes a heat dissipation component 310 for dissipating heat from the heat dissipation housing 200, and there are four heat dissipation components 310, which are distributed in a circular array inside the heat dissipation housing 200; a gear three 320 is provided on the shaft of the heat dissipation component 310 for driving the cleaning device 400 to clean the left end of the heat dissipation net 202, so that when the permanent magnet motor body 100 needs to work, the four heat dissipation components 310 can be driven to discharge the cold air outside the heat dissipation housing 200 through the heat dissipation net 202 to the hot air inside the heat dissipation housing 200 through the exhaust port 201, so as to dissipate the heat of the permanent magnet motor body 100 in the heat dissipation housing 200.

[0024] The heat dissipation assembly 310 includes a gear 2 311 meshingly connected with the gear 1 102, a transmission shaft 312 for rotation is fixedly installed on the left end of the gear 2 311, and the gear 3 320 is installed on the shaft of the transmission shaft 312 through a key connection, and the transmission shaft 312 is connected to the shell of the heat dissipation shell 200 through a bearing to facilitate the rotation of the transmission shaft 312; a heat dissipation blade 313 for dissipating heat to the permanent magnet motor body 100 is fixedly installed on the left end of the transmission shaft 312; therefore, when the permanent magnet motor body 100 needs to work, and under the meshing connection between the gear 1 102 and the gear 2 311, the heat dissipation blade 313 can be driven by the transmission shaft 312 to discharge the cold air outside the heat dissipation shell 200 through the heat dissipation net 202 to the hot air inside the heat dissipation shell 200 through the exhaust port 201, so as to dissipate the heat of the permanent magnet motor body 100 in the heat dissipation shell 200.

[0025] The cleaning device 400 includes a driving component 410 meshingly connected to the gear three 320, and a cleaning component 420 for cleaning the left end of the heat dissipation net 202 is arranged on the left side of the driving component 410, so that when the permanent magnet motor body 100 needs to work, and under the meshing connection of the gear one 102 and the gear two 311, the transmission shaft 312 can drive the heat dissipation blades 313 to pass the cold air outside the heat dissipation shell 200 through the heat dissipation net 202 to discharge the hot air inside the heat dissipation shell 200 through the exhaust port 201, so as to dissipate the heat of the permanent magnet motor body 100 in the heat dissipation shell 200, and at the same time drive the driving component 410 to drive the cleaning component 420 to clean the left side of the heat dissipation net 202, so as to prevent dust from being adsorbed on the heat dissipation net 202 and causing the air in the heat dissipation shell 200 to be blocked, thereby affecting the heat dissipation of the permanent magnet motor body 100.

[0026] The driving assembly 410 includes a gear four 411 meshingly connected to the gear three 320, and a rotating rod 412 is provided in the middle of the wheel body of the gear four 411 for driving the cleaning assembly 420 to clean the heat dissipation network 202, and the right end of the rotating rod 412 is connected to the left end of the permanent magnet motor body 100 through a bearing to facilitate the rotation of the rotating rod 412; at the same time, the rotating rod 412 passes through the plate body of the heat dissipation network 202, and the gear four 411 is installed on the rod body of the rotating rod 412 through a key connection.

[0027] The cleaning assembly 420 includes a turntable 421 fixedly mounted on the left end of the rotating rod 412 for rotation, and a cleaning brush 422 for cleaning the left end of the heat dissipation net 202 is arranged on the body of the turntable 421, and there are four cleaning brushes 422, which are distributed in a circular array on the body of the turntable 421, and the four cleaning brushes 422 are closely attached to the left end of the heat dissipation net 202; thus, when the permanent magnet motor body 100 is required to work, and under the meshing connection between the gear 1 102 and the gear 2 311, the heat dissipation net 202 can be driven by the transmission shaft 312. The heat blades 313 discharge the cold air on the outside of the heat dissipation housing 200 through the heat dissipation net 202 to the hot air inside the heat dissipation housing 200 through the exhaust port 201, so as to dissipate the heat of the permanent magnet motor body 100 in the heat dissipation housing 200. At the same time, when the gear four 411 is meshed with the gear three 320, the four cleaning brushes 422 can be driven by the rotating rod 412 to clean the left end of the heat dissipation net 202 to prevent dust from being adsorbed on the heat dissipation net 202 and causing the air in the heat dissipation housing 200 to be blocked, thereby affecting the heat dissipation of the permanent magnet motor body 100.

[0028] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A heat dissipation unit permanent magnet motor, comprising a heat dissipation housing (200) for dissipating heat from a permanent magnet motor body (100), characterized in that: A heat dissipation device (300) for dissipating heat from a permanent magnet motor body (100) is arranged in the shell cavity of the heat dissipation shell (200), and a cleaning device (400) for cleaning the left end of the heat dissipation shell (200) is arranged at the left end of the heat dissipation shell (200); a heat dissipation net (202) for dissipating heat from the permanent magnet motor body (100) is arranged on the left side of the heat dissipation shell (200); the heat dissipation device (300) comprises a heat dissipation component (310) for dissipating heat from the heat dissipation shell (200), and a gear three (320) for driving the cleaning device (400) to clean the left end of the heat dissipation net (202) is arranged on the shaft of the heat dissipation component (310); the cleaning device (400) comprises a driving component (410) meshingly connected to the gear three (320), and a cleaning component (420) for cleaning the left end of the heat dissipation net (202) is arranged on the left side of the driving component (410).

2. The heat dissipation unit permanent magnet motor according to claim 1, characterized in that: A rotating shaft (101) for rotation is arranged at the front side of the permanent magnet motor body (100); a gear (102) for synchronously rotating with the rotating shaft (101) is arranged on the shaft body of the rotating shaft (101); a transverse opening (103) is provided on the permanent magnet motor body (100); and there are a plurality of transverse openings (103), which are distributed on the permanent magnet motor body (100) in a circular array.

3. The heat dissipation unit permanent magnet motor according to claim 2, characterized in that: The heat dissipation assembly (310) comprises a second gear (311) meshingly connected with the first gear (102), a transmission shaft (312) for rotation being fixedly mounted on the left end of the second gear (311), and a third gear (320) is located on the shaft of the transmission shaft (312), and a heat dissipation blade (313) for dissipating heat from the permanent magnet motor body (100) is fixedly mounted on the left end of the transmission shaft (312).

4. The heat dissipation unit permanent magnet motor according to claim 1, characterized in that: The driving assembly (410) comprises a gear four (411) meshingly connected with the gear three (320), and a rotating rod (412) for driving the cleaning assembly (420) to clean the heat dissipation net (202) is provided in the middle of the wheel body of the gear four (411).

5. The heat dissipation unit permanent magnet motor according to claim 4, characterized in that: The cleaning assembly (420) comprises a turntable (421) fixedly mounted on the left end of the rotating rod (412) for rotation, and a cleaning brush (422) for cleaning the left end of the heat dissipation net (202) is arranged on the body of the turntable (421), and there are four cleaning brushes (422), which are distributed in a circular array on the body of the turntable (421).

6. The heat dissipation unit permanent magnet motor according to claim 1, characterized in that: An exhaust port (201) for exhausting gas in the heat dissipation housing (200) is provided at the right end of the heat dissipation housing (200), and there are four exhaust ports (201). The four exhaust ports (201) are distributed in a circular array at the left end of the heat dissipation housing (200).

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