CN111917202A - A kind of air suspension blower motor cooling structure and cooling method - Google Patents

Abstract

The application discloses a cooling structure and a cooling method for a motor of an air suspension blower, and the cooling structure comprises an air suspension blower main body and a supporting assembly, wherein the air suspension blower main body is arranged on the supporting assembly and comprises a motor shell, a heat dissipation volute, a stator and a rotor; the supporting component comprises a bottom support, a supporting block, angle iron and a connecting block, the supporting block is installed on the upper portion of the bottom support through bolts, the angle iron is installed on the upper portion of the supporting block through bolts, one side of the connecting block is installed on the side wall of the angle iron through bolts, and the upper end of the connecting block is fixedly connected with the bottom of the motor shell through bolts. This scheme can effectively promote the radiating efficiency to the motor under the precursor that does not increase the motor processing degree of difficulty.

Description

A kind of air suspension blower motor cooling structure and cooling method

technical field

The present application relates to the technical field of air suspension blower motor cooling, and in particular, to a cooling structure and a cooling method for an air suspension blower motor.

Background technique

The air suspension centrifugal blower is a new concept blower. It adopts the three core high-end technologies of "ultra-high-speed direct-coupled motor", "air suspension bearing" and "high-precision single-stage centrifugal impeller", creating a high-efficiency, high-performance, A new era of low noise and low energy consumption fans. It is a new generation of high-tech civilian products developed with great concentration on the use of aviation turbomachinery design experience.

The motor used by the existing air suspension centrifugal blower generally adds a heat dissipation component to the rotor of the motor during use. However, only the heat dissipation component is added to the rotor, the cooling air volume is small, and the heat dissipation effect on the stator and the rotor is not good. The processing technology is complex and inconvenient to operate.

SUMMARY OF THE INVENTION

The main purpose of the present application is to provide an air suspension blower motor cooling structure to solve the problems of poor cooling effect of the air suspension centrifugal blower motor and inconvenient processing of heat dissipation components in the related art.

In order to achieve the above object, the present application provides an air suspension blower motor cooling structure, comprising: an air suspension blower main body and a support assembly, the air suspension blower main body is mounted on the support assembly;

The main body of the air suspension blower, the main body of the air suspension blower includes a motor casing, a heat dissipation volute, a stator and a rotor, the rotor is rotatably installed inside the motor casing through an air suspension bearing, and the stator is provided with a number of heat dissipation The stator is installed on the inner wall of the motor housing, a first airflow channel is formed between the stator and the inner wall of the motor housing, and a second airflow channel is formed between the stator and the rotor, One end of the rotor is keyed with a centrifugal impeller, the other end of the rotor is keyed with a cooling fan, the side wall of the motor housing is provided with an air inlet, and the cooling volute is mounted on the motor by bolts. At one end of the casing, an air outlet pipe is communicated with the side wall of the heat dissipation volute, and a heat dissipation component is arranged on the outer wall of the motor casing;

a support assembly, the support assembly includes a bottom bracket, a support block, an angle iron and a connection block, the support block is mounted on the upper part of the bottom bracket by bolts, and the angle iron is mounted on the upper part of the support block by bolts, One side of the connecting block is mounted on the side wall of the angle iron through bolts, and the upper end of the connecting block is fixedly connected to the bottom of the motor casing through bolts.

In an embodiment of the present invention, a spacer block is welded and fixed on the inner wall of the motor casing, and the stator is mounted on the spacer block through bolts.

In an embodiment of the present invention, the heat dissipation assembly includes a heat dissipation fin, the heat dissipation fin is disposed on the outer wall of the motor housing, and the heat dissipation fin is disposed as an annular heat dissipation fin.

In an embodiment of the present invention, there are no less than three air inlets, and the air inlets are distributed in an annular array on the outer wall of the motor housing.

In an embodiment of the present invention, a number of dust-proof components are installed on the side wall of the motor housing through installation components, and the number of the dust-proof components is the same as the number of the air inlets.

In an embodiment of the present invention, the installation assembly includes a guide rail and a fastening bolt, and the dustproof assembly is installed in the guide rail through the fastening bolt.

In an embodiment of the present invention, the dustproof assembly includes a frame and a filter screen, the filter screen is welded and fixed in the frame, and the frame is installed in the guide rail by bolts.

In an embodiment of the present invention, the filter screen is set as a stainless steel filter screen, and the mesh number of the filter screen is set as mesh.

In an embodiment of the present invention, the bottom bracket is configured as an arch-shaped bottom bracket, and two support legs of the bottom bracket are provided with mounting holes, and the mounting holes are configured as strip-shaped mounting holes.

The present application also provides a cooling method for an air suspension blower motor. Through the cooperation of a cooling fan and an air inlet, when the motor is working, the cooling fan is driven to rotate, and a large amount of outside air is sucked into the motor casing through the air inlet. A first airflow channel is constructed by setting a heat dissipation slot on the stator, a second airflow channel is formed between the stator and the rotor, and the first airflow channel is combined with the second airflow channel, so that the air entering from the outside will scatter the inner and outer walls of the stator and the rotor. The heat on the radiator is brought into the cooling volute and discharged from the air outlet, so that a large amount of air can contact the inner and outer surfaces of the stator and the surface of the rotor to take away the heat on the stator and rotor.

In the embodiment of the present application, an air suspension blower motor cooling structure is provided. Through the cooperation of the cooling fan and the air inlet, the cooling fan can be driven to rotate when the motor is working, and a large amount of outside air can be sucked into the electric motor through the air inlet. In the casing, a first airflow channel can be constructed by opening a heat dissipation slot on the stator, and in cooperation with the second airflow channel, the outside air can dissipate the heat on the inner and outer walls of the stator and the rotor, as well as the electricity when the rotor is working. The heat accumulated in the casing is brought into the cooling volute, and finally discharged from the air outlet, so that a large amount of air can contact the inner and outer surfaces of the stator and the surface of the rotor, taking away the heat on the stator and the rotor, which can be better for the air The suspended blower motor conducts heat dissipation, and the air duct is designed ingeniously. The gap between the inner wall of the motor shell and the heat dissipation slot can be used as the first airflow channel and cooperate with the second airflow channel, so that a large amount of air can be directly connected to the inner and outer walls of the stator, and the rotor. The surface contact directly takes away the heat on the stator and the rotor. By arranging the heat sink on the stator, it is possible to eliminate the need to design and process the heat sink on the motor without increasing the difficulty of machining the precursor, which is greatly optimized. The design and processing difficulty of the motor.

Description of drawings

The accompanying drawings, which constitute a part of this application, are used to provide a further understanding of the application and make other features, objects and advantages of the application more apparent. The accompanying drawings and descriptions of the exemplary embodiments of the present application are used to explain the present application, and do not constitute an improper limitation of the present application. In the attached image:

1 is a schematic structural diagram of a support assembly of an air suspension blower motor cooling structure provided according to an embodiment of the present application;

2 is a schematic cross-sectional view of a main body of an air suspension blower of an air suspension blower motor cooling structure provided according to an embodiment of the present application;

3 is a schematic top view of a motor casing of an air suspension blower motor cooling structure provided according to an embodiment of the present application;

4 is a schematic partial cross-sectional view of a guide rail of an air suspension blower motor cooling structure provided according to an embodiment of the present application.

In the figure: 100, main body of air suspension blower; 110, motor casing; 111, air inlet; 112, heat dissipation assembly; 1121, heat sink; 113, installation assembly; 1131, guide rail; 114, dustproof assembly; 1141, frame ; 1142, filter screen; 120, cooling volute; 121, air outlet; 130, stator; 131, heat sink; 140, rotor; 150, first airflow channel; 160, second airflow channel; 170, centrifugal impeller; 180 , cooling fan; 190, spacer; 200, support assembly; 210, bottom bracket; 220, support block; 230, angle iron; 240, connecting block.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

It should be noted that the terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances for the embodiments of the application described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientation or positional relationship indicated by "vertical", "horizontal", "horizontal", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are primarily used to better describe the present application and its embodiments, and are not intended to limit the fact that the indicated device, element, or component must have a particular orientation, or be constructed and operated in a particular orientation.

In addition, some of the above-mentioned terms may be used to express other meanings besides orientation or positional relationship. For example, the term "on" may also be used to express a certain attachment or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present application can be understood according to specific situations.

Additionally, the term "plurality" shall mean two and more.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Example 1

1-4, the present application provides an air suspension blower motor cooling structure, including: an air suspension blower main body 100 and a support assembly, the air suspension blower main body 100 is installed on the support assembly 200;

1 , 2 and 3 , the main body 100 of the air suspension blower includes a motor casing 110 , a cooling volute 120 , a stator 130 and a rotor 140 . The rotor 140 is rotatably installed inside the motor casing 110 through an air bearing, and the stator 130 is provided with a number of heat dissipation slots 131, and there are no less than three heat dissipation slots 131. The stator 130 is installed on the inner wall of the motor shell 110, and a first airflow channel 150 is formed between the stator 130 and the inner wall of the motor shell 110. The stator 130 A second airflow channel 160 is formed between the rotor 140 and one end of the rotor 140 is keyed with a centrifugal impeller 170, the other end of the rotor 140 is keyed with a cooling fan 180, and an air inlet 111 is provided on the side wall of the motor housing 110. The cooling volute 120 is mounted on one end of the motor casing 110 by bolts, the side wall of the cooling volute 120 is communicated with an air outlet pipe 121, and the outer wall of the motor casing 110 is provided with a cooling assembly 112, which passes through the cooling fan 180 and the air inlet. When the motor is working, the cooling fan 180 can be driven to rotate, and a large amount of outside air is sucked into the motor casing 110 by the air inlet 111. By opening the cooling groove 131 on the stator 130, the first airflow can be constructed. The channel 150 cooperates with the second airflow channel 160, so that the air entering from the outside can bring the heat on the inner and outer walls of the stator 130 and the rotor 140, as well as the heat accumulated in the motor casing 110 when the rotor 140 is working, into the cooling scroll. In the shell 120, it is finally discharged from the air outlet pipe 121, which can better cool the motor and dissipate heat;

1 and 2, the support assembly 200 includes a bottom bracket 210, a support block 220, an angle iron 230 and a connection block 240, the support block 220 is mounted on the upper part of the bottom bracket 210 by bolts, and the angle iron 230 is mounted on the support block by bolts In the upper part of the 220, one side of the connecting block 240 is installed on the side wall of the angle iron 230 through bolts, and the upper end of the connecting block 240 is fixedly connected with the bottom of the motor casing 110 through bolts. The motor case 110 is fixed.

In this embodiment, a spacer block 190 is welded and fixed on the inner wall of the motor housing 110 , and the stator 130 is mounted on the spacer block 190 by bolts, so that the first airflow channel formed between the motor case 110 and the stator 130 can be formed. The flow rate of 150 is larger, which can better improve the heat dissipation efficiency.

In this embodiment, the heat dissipation assembly 112 includes a heat dissipation fin 1121 , which is disposed on the outer wall of the motor housing 110 , and the heat dissipation fin 1121 is configured as an annular heat dissipation fin, which can further dissipate heat from the motor.

In this embodiment, there are no less than three air inlets 111 , and the air inlets 111 are distributed in an annular array on the outer wall of the motor housing 110 , which can increase the flow rate of the external air sucked by the motor housing 110 , and improve the air flow rate of the motor housing 110 . The cooling efficiency of the motor.

In this embodiment, a number of dust-proof components 114 are installed on the side wall of the motor housing 110 through the installation components 113. The number of the dust-proof components 114 is the same as the number of the air inlets 111. Bolts, the dustproof assembly 114 is installed in the guide rail 1131 by tightening the bolts. The dustproof assembly 114 includes a frame 1141 and a filter screen 1142. The filter screen 1142 is welded and fixed in the frame 1141. The frame 1141 is installed on the guide rail 1131 by bolts. It is set as a stainless steel filter screen, and the mesh number of the filter screen 1142 is set to 325 meshes. Through the use of the installation assembly 113, the frame 1141 can be easily and conveniently fixed. Through the use of the dustproof assembly 114, the outside air can be sucked into the motor casing. 110 , the outside air is filtered to reduce dust from entering the motor housing 110 .

In this embodiment, the bottom bracket 210 is set as an arch-shaped bottom bracket, two legs of the bottom bracket 210 are provided with installation holes, and the installation holes are set as strip-shaped installation holes, so that the bottom bracket 210 can be easily and conveniently fixed.

A cooling method for an air-suspended blower motor is used in conjunction with a cooling fan and an air inlet. When the motor is working, the cooling fan is driven to rotate, and a large amount of outside air is sucked into the motor casing by the air inlet. The heat dissipation slot is constructed as a first airflow channel, a second airflow channel is formed between the stator and the rotor, and the first airflow channel is combined with the second airflow channel, so that the air entering from the outside will dissipate the heat on the inner and outer walls of the stator and the rotor, with It enters into the cooling volute and is discharged from the air outlet pipe, so that a large amount of air can contact the inner and outer surfaces of the stator and the surface of the rotor to take away the heat on the stator and the rotor.

Specifically, the working principle of the air suspension blower motor cooling structure: when in use, when the motor is working, the cooling fan 180 is driven to rotate, and a large amount of outside air is sucked into the motor housing 110 by the air inlet 111, The heat dissipation slot 131 can be constructed to form the first airflow channel 150 and cooperate with the second airflow channel 160, so that the air entering from the outside can dissipate the heat on the inner and outer walls of the stator 130 and the rotor 140, and the motor casing when the rotor 140 is working. The heat accumulated in the 110 is brought into the heat dissipation volute 120 and finally discharged from the air outlet pipe 121, which can better cool the motor and dissipate heat.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

1. The cooling structure of the air suspension blower motor is characterized by comprising an air suspension blower main body and a support assembly, wherein the air suspension blower main body is arranged on the support assembly;

the air suspension blower comprises an air suspension blower main body, wherein the air suspension blower main body comprises a motor shell, a heat dissipation volute, a stator and a rotor, the rotor is rotatably installed inside the motor shell through an air floatation bearing, a plurality of heat dissipation grooves are formed in the stator, the stator is installed on the inner wall of the motor shell, a first air flow channel is formed between the stator and the inner wall of the motor shell, a second air flow channel is formed between the stator and the rotor, one end of the rotor is in key connection with a centrifugal impeller, the other end of the rotor is in key connection with a heat dissipation fan, an air inlet is formed in the side wall of the motor shell, the heat dissipation volute is installed at one end of the motor shell through bolts, an air outlet pipe is communicated with the side wall of the heat dissipation volute, and a heat dissipation assembly;

the supporting assembly comprises a bottom support, a supporting block, angle iron and a connecting block, the supporting block is mounted on the upper portion of the bottom support through bolts, the angle iron is mounted on the upper portion of the supporting block through bolts, one side of the connecting block is mounted on the side wall of the angle iron through bolts, and the upper end of the connecting block is fixedly connected with the bottom of the motor shell through bolts.

2. The air suspension blower motor cooling structure as claimed in claim 1, wherein a spacer is welded to an inner wall of the motor housing, and the stator is mounted on the spacer by bolts.

3. The air suspension blower motor cooling structure as set forth in claim 1, wherein said heat dissipating assembly includes a heat sink, said heat sink being disposed on an outer wall of said motor housing, said heat sink being configured as an annular heat sink.

4. The air suspension blower motor cooling structure as claimed in claim 1, wherein the number of the air inlets is not less than three, and the air inlets are distributed on the outer wall of the motor case in an annular array.

5. The air suspension blower motor cooling structure as claimed in claim 1, wherein the motor casing has a plurality of dust-proof assemblies mounted on its side walls by mounting members, and the number of dust-proof assemblies is the same as the number of air inlets.

6. The air suspension blower motor cooling structure as set forth in claim 5, wherein said mounting assembly includes a guide rail and a fastening bolt, and said dust-proof assembly is mounted in said guide rail by means of the fastening bolt.

7. The air suspension blower motor cooling structure as set forth in claim 6, wherein said dust-proof assembly includes a frame and a screen welded into said frame, said frame being mounted in said guide rail by bolts.

8. The air suspension blower motor cooling structure as claimed in claim 7, wherein said screen is a stainless steel screen, and the mesh number of said screen is 325 mesh.

9. The air suspension blower motor cooling structure as claimed in claim 1, wherein the bottom support is an arched bottom support, and the two support legs of the bottom support are provided with mounting holes, and the mounting holes are strip-shaped mounting holes.

10. The method as claimed in any one of claims 1 to 9, wherein a heat dissipating fan is used in conjunction with the air inlet, the heat dissipating fan is driven to rotate when the motor is in operation, a large amount of outside air is sucked into the motor casing through the air inlet, a first air flow passage is formed by forming a heat dissipating slot in the stator, a second air flow passage is formed between the stator and the rotor, and the first air flow passage is combined with the second air flow passage, so that the outside air brings heat on the inner and outer walls of the stator and on the rotor into the heat dissipating volute, and is discharged from the air outlet pipe, so that a large amount of air can contact with the inner and outer surfaces of the stator and the surface of the rotor to take away the heat on the stator and the rotor.

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