Cooling housing of permanent magnet motor

Abstract

The utility model relates to the technical field of permanent magnet motors, in particular to a cooling housing of a permanent magnet motor, which comprises a rear housing, a front cover cap and a heat dissipation assembly, the front cover cap is arranged on one side of the rear housing, and the heat dissipation assembly comprises two mounting frames, two lateral active air inlet pieces, a rear mounting frame, a rear heat dissipation cover, a protective steel mesh and an air exhaust piece. When the permanent magnet motor operates and needs to be cooled, external airflow quickly passes through the rear housing to enter the permanent magnet motor through the lateral active air inlet pieces arranged on the mounting frames on the two sides of the rear housing, airflow pressure is applied to the interior of the permanent magnet motor, and the permanent magnet motor is cooled. According to the permanent magnet motor cooling device, the permanent magnet motor can be cooled, and the situation that normal operation of the permanent magnet motor is affected due to the fact that the temperature of the permanent magnet motor is too high is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a cooling cover shell of a permanent magnet motor. Background Art

[0002] Permanent magnet motors generate heat during high-speed rotation. Due to the very compact internal structure of permanent magnet motors, the heat dissipation effect is often not ideal, so a cooling cover is required to assist in heat dissipation.

[0003] The prior art discloses a motor cooling cover, including a rear cover, a thermal pad and a front cover. The rear cover has multiple heat dissipation slots on both sides. A permanent magnet motor is placed in the rear cover, and the heat of the permanent magnet motor is dissipated through the thermal pad. Then, the air intake of the permanent magnet motor is increased by cooperating with the added multiple heat dissipation slots, thereby reducing the heat of the permanent magnet motor.

[0004] However, by adopting the above method, the heat cannot be quickly discharged by passively adding heat sinks and thermal pads. The heat of the permanent magnet motor will continue to rise during long-term use, thereby affecting the normal operation of the permanent magnet motor. Utility Model Content

[0005] The utility model aims to provide a cooling cover shell of a permanent magnet motor, which can dissipate heat for the permanent magnet motor and prevent the normal operation of the permanent magnet motor from being affected by excessive temperature.

[0006] To achieve the above object, the utility model provides a cooling housing for a permanent magnet motor, comprising a rear housing, a front housing and a heat dissipation assembly, wherein the front housing is arranged on one side of the rear housing.

[0007] The heat dissipation assembly includes two mounting frames, two lateral active air inlet pieces, a rear mounting frame, a rear heat dissipation cover, a protective steel mesh and an exhaust piece;

[0008] The two installation frames are respectively connected to the rear cover shell and are respectively located on both sides of the rear cover shell; the two lateral active air inlet parts are respectively arranged on one side of the two installation frames; the rear mounting frame is fixedly connected to the rear cover shell and is located on one side of the rear cover shell; the rear heat dissipation cover is connected to the rear cover shell, and is fixedly connected to the rear mounting frame and is located on one side of the rear cover shell; the protective steel mesh is fixedly connected to the rear heat dissipation cover and is located on one side of the rear heat dissipation cover; the exhaust part is arranged inside the rear heat dissipation cover.

[0009] Among them, the lateral active air inlet component includes a supporting shell, a centrifugal fan, an air inlet, an air outlet and a dustproof accessory, the supporting shell is fixedly connected to the mounting frame and is located on one side of the mounting frame; the centrifugal fan is arranged inside the supporting shell; the air inlet is connected to the supporting shell and is located on one side of the supporting shell; the air outlet is connected to the supporting shell and to the mounting frame and is located on one side of the supporting shell, and the dustproof accessory is arranged on one side of the air inlet.

[0010] Among them, the dust-proof accessory includes a connecting frame, two strong magnetic blocks, an iron frame and a dust-proof net, the connecting frame is connected to the air inlet and is located on one side of the air inlet; the two strong magnetic blocks are fixedly connected to the connecting frame and are respectively located on one side of the connecting frame; the iron frame is located on one side of the two strong magnetic blocks; the dust-proof net is fixedly connected to the iron frame and is located on one side of the iron frame.

[0011] Among them, the exhaust component includes a bracket, an exhaust fan and an exhaust duct, the bracket is fixedly connected to the rear heat dissipation cover and is located inside the rear heat dissipation cover; the exhaust fan is fixedly connected to the bracket and is located on one side of the bracket; the exhaust duct is connected to the exhaust fan and the rear heat dissipation cover, and is located on one side of the exhaust fan.

[0012] Wherein, the heat dissipation assembly further includes a heat conducting member, and the heat conducting member is arranged on one side of the rear cover shell.

[0013] Wherein, the heat conducting member comprises a heat conducting pad and a plurality of heat dissipating fins, the heat conducting pad is fixedly connected to the rear cover shell and is located inside the rear cover shell; the plurality of heat dissipating fins are respectively fixedly connected to the rear cover shell and are respectively located on one side of the rear cover.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By setting two of the installation frames, two of the lateral active air inlet pieces, the rear installation frame, the rear heat dissipation cover, the protective steel mesh and the exhaust piece, the permanent magnet motor is placed in the rear cover shell during assembly, and then the front cover is buckled with the rear cover shell and the assembly is completed using screws. When the permanent magnet motor is in operation and needs to be cooled, the lateral active air inlet pieces arranged on the installation frames on both sides of the rear cover shell allow the external air flow to quickly pass through the rear cover shell into the permanent magnet motor, apply air flow pressure to the permanent magnet motor, and cooperate with the exhaust piece on the rear heat dissipation cover to quickly discharge the air flow of the permanent magnet motor backwards, thereby quickly reducing the heat of the permanent magnet motor. The protective steel mesh is used to prevent external objects from entering the rear heat dissipation cover and damaging the exhaust piece. The present application can dissipate heat for the permanent magnet motor and prevent the normal operation of the permanent magnet motor from being affected by excessive temperature.

[0016] 2. By setting the support shell, the centrifugal fan, the air inlet, the air outlet and the dustproof accessory, the support shell is used to support the installation of the centrifugal fan. The centrifugal fan operates to quickly inhale external airflow through the air inlet, and then applies the actively inhaled airflow to the permanent magnet motor through the air outlet, thereby increasing the airflow pressure in the permanent magnet motor, so that the internal heat can be quickly discharged through the exhaust component.

[0017] 3. By setting the connecting frame, the two strong magnetic blocks, the iron frame and the dustproof net, the connecting frame cooperates with the two strong magnetic blocks to adsorb the iron frame to complete the installation of the dustproof net. The strong magnetic adsorption method makes it easy to disassemble and wash the dustproof net after using it for a period of time.

[0018] 4. By arranging the bracket, the exhaust fan and the exhaust duct, the bracket is used to support the installation of the exhaust fan, and the exhaust fan quickly exhausts the airflow of the permanent magnet motor in the rear cover through the exhaust duct.

[0019] 5. By providing the thermal pad and a plurality of heat sink fins, the thermal pad is used to conduct the heat generated by the permanent magnet motor to the rear cover, and then the heat is dissipated through the plurality of heat sink fins, thereby further increasing the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0021] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0022] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0023] Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0024] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0025] Figure 5 It is an overall cross-sectional view of the second embodiment of the utility model.

[0026] 101-rear cover, 102-front cover, 103-installation frame, 104-lateral active air inlet, 105-rear mounting frame, 106-rear heat dissipation cover, 107-protective steel mesh, 108-exhaust member, 109-support shell, 110-centrifugal fan, 111-air inlet, 112-air outlet, 113-dustproof accessories, 114-connection frame, 115-strong magnetic block, 116-iron frame, 117-dustproof net, 118-bracket, 119-exhaust fan, 120-exhaust duct, 201-thermal conductive member, 202-thermal conductive pad, 203-heat sink fins. DETAILED DESCRIPTION

[0027] The first embodiment of the present application is:

[0028] See also Figure 1-Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model. Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0029] The utility model provides a cooling cover shell of a permanent magnet motor: comprising a rear cover shell 101, a front cover 102 and a heat dissipation component, wherein the heat dissipation component comprises two mounting frames 103, two lateral active air inlets 104, a rear mounting frame 105, a rear heat dissipation cover 106, a protective steel net 107 and an exhaust member 108, wherein the lateral active air inlet member 104 comprises a supporting shell 109, a centrifugal fan 110, an air inlet 111, an air outlet 112 and a dustproof accessory 113, wherein the dustproof accessory 113 comprises a connecting frame 114, two strong magnetic blocks 115, an iron frame 116 and a dustproof net 117, and the exhaust member 108 comprises a bracket 118, an exhaust fan 119 and an exhaust pipe 120. Through the above-mentioned scheme, the permanent magnet motor can be cooled to prevent the permanent magnet motor from being affected in normal operation due to excessive temperature.

[0030] According to this specific embodiment, the rear cover 101 cooperates with the front cover 102 to install a permanent magnet motor.

[0031] Among them, the two installation frames 103 are respectively connected to the rear cover shell 101 and are respectively located on both sides of the rear cover shell 101; the two lateral active air inlet pieces 104 are respectively arranged on one side of the two installation frames 103; the rear mounting frame 105 is fixedly connected to the rear cover shell 101 and is located on one side of the rear cover shell 101; the rear heat dissipation cover 106 is connected to the rear cover shell 101, and is fixedly connected to the rear mounting frame 105 and is located on one side of the rear cover shell 101; the protective steel mesh 107 is fixedly connected to the rear heat dissipation cover 106 and is located on one side of the rear heat dissipation cover 106; the exhaust piece 108 is arranged inside the rear heat dissipation cover 106, and the permanent magnet motor is placed in the rear cover shell 101 during assembly. Then the front cover 102 is fastened with the rear cover shell 101 and assembled with screws. When the permanent magnet motor needs to be cooled during operation, the lateral active air inlet pieces 104 provided on the mounting frames 103 on both sides of the rear cover shell 101 allow the external airflow to quickly pass through the rear cover shell 101 into the permanent magnet motor, apply airflow pressure to the permanent magnet motor, and cooperate with the exhaust piece 108 on the rear heat dissipation cover 106 to quickly discharge the airflow of the permanent magnet motor backwards, thereby quickly reducing the heat of the permanent magnet motor. The protective steel mesh 107 is used to prevent external objects from entering the rear heat dissipation cover 106 and damaging the exhaust piece 108. The present application can dissipate heat for the permanent magnet motor and prevent the normal operation of the permanent magnet motor from being affected by excessive temperature.

[0032] Secondly, the support shell 109 is fixedly connected to the installation frame 103 and is located on one side of the installation frame 103; the centrifugal fan 110 is arranged inside the support shell 109; the air inlet 111 is communicated with the support shell 109 and is located on one side of the support shell 109; the air outlet 112 is communicated with the support shell 109 and the installation frame 103, and is located on one side of the support shell 109, the dustproof accessory 113 is arranged on one side of the air inlet 111, and the support shell 109 is used to support the installation of the centrifugal fan 110. The centrifugal fan 110 operates to quickly inhale external airflow through the air inlet 111, and then applies the actively inhaled airflow to the permanent magnet motor through the air outlet 112, thereby increasing the airflow pressure in the permanent magnet motor, so that the internal heat can be quickly discharged through the exhaust member 108.

[0033] At the same time, the connecting frame 114 is connected to the air inlet 111 and is located on one side of the air inlet 111; the two strong magnetic blocks 115 are respectively fixedly connected to the connecting frame 114 and are respectively located on one side of the connecting frame 114; the iron frame 116 is located on one side of the two strong magnetic blocks 115; the dustproof net 117 is fixedly connected to the iron frame 116 and is located on one side of the iron frame 116. The connecting frame 114 cooperates with the two strong magnetic blocks 115 to adsorb the iron frame 116 to complete the installation of the dustproof net 117. The strong magnetic adsorption method makes it easy to disassemble and wash the dustproof net 117 after using it for a period of time.

[0034] In addition, the bracket 118 is fixedly connected to the rear heat dissipation cover 106 and is located inside the rear heat dissipation cover 106; the exhaust fan 119 is fixedly connected to the bracket 118 and is located on one side of the bracket 118; the exhaust duct 120 is connected to the exhaust fan 119 and to the rear heat dissipation cover 106, and is located on one side of the exhaust fan 119. The bracket 118 is used to support the installation of the exhaust fan 119, and the exhaust fan 119 quickly exhausts the airflow of the permanent magnet motor in the rear cover 101 through the exhaust duct 120.

[0035] When using a cooling cover of a permanent magnet motor described in this embodiment, the permanent magnet motor is placed in the rear cover 101 during assembly, and then the front cover 102 is fastened with the rear cover 101 and the assembly is completed using screws. When the permanent magnet motor is in operation and needs to be cooled, the centrifugal fan 110 in the support shell 109 provided by the mounting frame 103 on both sides of the rear cover 101 is used. The centrifugal fan 110 operates to quickly inhale the external airflow through the air inlet 111, and then applies the actively inhaled airflow to the permanent magnet motor through the air outlet 112, thereby By increasing the air flow pressure in the permanent magnet motor, the exhaust fan 119 arranged in the rear heat dissipation cover 106 quickly discharges the air flow of the permanent magnet motor backwards through the exhaust pipe 120, thereby quickly reducing the heat of the permanent magnet motor. The protective steel mesh 107 is used to prevent foreign objects from entering the rear heat dissipation cover 106 and damaging the exhaust part 108, thereby solving the problem that the existing motor cooling cover cannot quickly discharge heat by passively adding heat dissipation grooves and thermal pads 202, and the heat of the permanent magnet motor will continue to rise during long-term use, thereby affecting the normal use of the permanent magnet motor.

[0036] The second embodiment of the present application is:

[0037] See also Figure 4-Figure 5 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5It is an overall cross-sectional view of the second embodiment of the utility model.

[0038] On the basis of the first embodiment, the utility model provides a cooling cover of a permanent magnet motor, wherein the heat dissipation assembly further includes a heat conductive member 201 , and the heat conductive member 201 includes a heat conductive pad 202 and a plurality of heat dissipation fins 203 .

[0039] The heat conducting member 201 is disposed on one side of the rear cover 101 , and the heat conducting member 201 is used to increase the heat dissipation efficiency of the permanent magnet motor through its heat conducting property.

[0040] Secondly, the thermal pad 202 is fixedly connected to the rear cover shell 101 and is located inside the rear cover shell 101; the multiple heat dissipation fins 203 are respectively fixedly connected to the rear cover shell 101 and are respectively located on one side of the rear cover. The thermal pad 202 is used to conduct the heat generated by the permanent magnet motor to the rear cover shell 101, and then dissipate the heat through the multiple heat dissipation fins 203, thereby further increasing the heat dissipation effect.

[0041] When using a cooling cover of a permanent magnet motor described in this embodiment, the thermal pad 202 is used to conduct the heat generated by the permanent magnet motor to the rear cover 101, and then the heat is dissipated through the multiple heat dissipation fins 203 to further increase the heat dissipation effect.

[0042] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A cooling housing of a permanent magnet motor, comprising a rear housing and a front cover, wherein the front cover is arranged on one side of the rear housing; characterized in that: Also included is a heat dissipation assembly; The heat dissipation assembly includes two mounting frames, two lateral active air inlet pieces, a rear mounting frame, a rear heat dissipation cover, a protective steel mesh and an exhaust piece; The two installation frames are respectively connected to the rear cover shell and are respectively located on both sides of the rear cover shell; the two lateral active air inlet parts are respectively arranged on one side of the two installation frames; the rear mounting frame is fixedly connected to the rear cover shell and is located on one side of the rear cover shell; the rear heat dissipation cover is connected to the rear cover shell, and is fixedly connected to the rear mounting frame and is located on one side of the rear cover shell; the protective steel mesh is fixedly connected to the rear heat dissipation cover and is located on one side of the rear heat dissipation cover; the exhaust part is arranged inside the rear heat dissipation cover.

2. A cooling cover for a permanent magnet motor as claimed in claim 1, characterized in that: The lateral active air inlet component includes a supporting shell, a centrifugal fan, an air inlet, an air outlet and a dustproof accessory. The supporting shell is fixedly connected to the mounting frame and is located on one side of the mounting frame; the centrifugal fan is arranged inside the supporting shell; the air inlet is communicated with the supporting shell and is located on one side of the supporting shell; the air outlet is communicated with the supporting shell and the mounting frame and is located on one side of the supporting shell, and the dustproof accessory is arranged on one side of the air inlet.

3. A cooling cover for a permanent magnet motor as claimed in claim 2, characterized in that: The dustproof accessory includes a connecting frame, two strong magnetic blocks, an iron frame and a dustproof net. The connecting frame is connected to the air inlet and is located on one side of the air inlet; the two strong magnetic blocks are fixedly connected to the connecting frame and are located on one side of the connecting frame; the iron frame is located on one side of the two strong magnetic blocks; the dustproof net is fixedly connected to the iron frame and is located on one side of the iron frame.

4. A cooling cover for a permanent magnet motor as claimed in claim 3, characterized in that: The exhaust component includes a bracket, an exhaust fan and an exhaust duct. The bracket is fixedly connected to the rear heat dissipation cover and is located inside the rear heat dissipation cover; the exhaust fan is fixedly connected to the bracket and is located on one side of the bracket; the exhaust duct is connected to the exhaust fan and the rear heat dissipation cover, and is located on one side of the exhaust fan.

5. A cooling cover for a permanent magnet motor as claimed in claim 1, characterized in that: The heat dissipation assembly further comprises a heat conducting member, and the heat conducting member is arranged on one side of the rear cover.

6. A cooling cover for a permanent magnet motor as claimed in claim 5, characterized in that: The heat conducting member comprises a heat conducting pad and a plurality of heat dissipating fins. The heat conducting pad is fixedly connected to the rear cover and is located inside the rear cover. The plurality of heat dissipating fins are respectively fixedly connected to the rear cover and are respectively located on one side of the rear cover.

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