CN220307073U - Brushless motor for air compressor - Google Patents
Brushless motor for air compressor Download PDFInfo
- Publication number
- CN220307073U CN220307073U CN202321821183.4U CN202321821183U CN220307073U CN 220307073 U CN220307073 U CN 220307073U CN 202321821183 U CN202321821183 U CN 202321821183U CN 220307073 U CN220307073 U CN 220307073U
- Authority
- CN
- China
- Prior art keywords
- face
- motor
- circuit board
- rear end
- inner end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000033228 biological regulation Effects 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The application discloses a brushless motor for air compressor includes: the motor comprises a stator, a rotor, a motor main shell for accommodating, a motor rear end cover, and a circuit board which is integrated with a main device and can control the starting, speed regulation, braking and reversing of a brushless motor, wherein the circuit board is provided with a first surface and a second surface which are oppositely arranged; the motor rear end cover comprises an inner end face facing the inside of the brushless motor and an outer end face which is arranged opposite to the inner end face, the motor rear end cover is detachably arranged with the motor main shell, and the first face is arranged on the inner end face, wherein the first face is in close to complete fit with the inner end face.
Description
Technical Field
The utility model relates to the technical field of brushless motors, in particular to a brushless motor for an air compressor.
Background
Air compressors (air supply systems) are used in all types of vehicles, in particular for supplying compressed air to air springs of passenger cars. The motor mechanism is an important component of the air compression mechanism and is used for driving a piston and a connecting rod of the air compression unit to do reciprocating motion; when a brushless motor is selected as a motor mechanism, a circuit board (PCB) integrated with a main command device capable of controlling the starting, speed regulation, braking and reversing of the brushless motor is internally constructed, and the circuit board (PCB) is integrated with a plurality of electronic components, which generate heat when the components are in operation, and a rotor of the brushless motor works or other components capable of generating heat, if the heat concentrated on the circuit board (PCB) is not timely dissipated, the aging of the components of the circuit board can be accelerated, and even the operation failure of the brushless motor and other unknown damage can be caused.
Disclosure of Invention
The utility model designs a brushless motor for an air compressor, and the heat of a circuit board can be well led out by reasonably arranging the position of the circuit board in the brushless motor.
The specific technical scheme is as follows: a brushless motor for an air compressor, comprising: the motor comprises a stator, a rotor, a motor main shell for accommodating, a motor rear end cover, and a circuit board which is integrated with a main device and can control the starting, speed regulation, braking and reversing of a brushless motor, wherein the circuit board is provided with a first surface and a second surface which are oppositely arranged; the motor rear end cover comprises an inner end face facing the inside of the brushless motor and an outer end face which is arranged opposite to the inner end face, the motor rear end cover is detachably arranged with the motor main shell, and the first face is arranged on the inner end face, wherein the first face is in close to complete fit with the inner end face.
In a further aspect, the first face is close to the light face; the second face is provided with electronic components.
According to a further technical scheme, a plurality of radiating fins are arranged on the outer end face opposite to the inner end face.
In a further aspect, a locking position for fixing the circuit board is formed on the inner end surface, wherein the locking position is configured as a bolt hole recessed with respect to the inner end surface.
According to a further technical scheme, a connecting lifting lug is formed on the periphery of the motor rear end cover close to the outer end surface and used for fixing a connecting bolt when the motor rear end cover is fixed, wherein the connecting lifting lug part extends out of the motor rear end cover; the motor rear end cover is also provided with a hole part used for inserting a wire harness in the circumferential direction, and the wire harness is electrically connected to the circuit board.
In a further technical scheme, a part of the pipeline is formed on the outer end face, and the other part of the pipeline is formed on the inner end face and penetrates through the circuit board; the duct is configured to allow air to pass therethrough.
In a further aspect, a stopper is formed on an axially outer wall surface of the pipe formed on the inner end surface, for defining an assembling position of the circuit board when the circuit board is assembled to the stopper.
According to a further technical scheme, the stop part is configured to be provided with a convex rib with the length, the length direction is consistent with the axial direction of the pipeline, and the circuit board is provided with a concave part which is correspondingly assembled with the convex rib.
According to a further technical scheme, the rear end cover material comprises aluminum.
According to a further technical scheme, the motor rear end cover is manufactured in an integrated mode.
The beneficial effects are that:
by applying the technical scheme of the utility model, the brushless motor for the air compressor comprises the following components: the motor comprises a stator, a rotor, a motor main shell for accommodating, a motor rear end cover, and a circuit board which is integrated with a main device and can control the starting, speed regulation, braking and reversing of a brushless motor, wherein the circuit board is provided with a first surface and a second surface which are oppositely arranged; the motor rear end cover comprises an inner end face facing the inside of the brushless motor and an outer end face which is opposite to the inner end face, the motor rear end cover is detachably mounted with the motor main shell, and the first face is arranged on the inner end face, wherein the first face is in close complete fit with the inner end face. The first surface of circuit board is close complete laminating with the interior terminal surface of motor rear end cap, has improved the thermal conductivity of circuit board and motor rear end cap, does benefit to the circuit board and goes out the heat conduction through the motor rear end cap to reduce the inside temperature of circuit board, improve the life of circuit board.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic view of the internal structure of a brushless motor according to an embodiment of the utility model;
FIG. 2 is a side view of the rear end cap of the motor of FIG. 1;
FIG. 3 is an assembly view of a rear end cap and a circuit board of a motor according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the inner end face of the rear end cap of the motor of FIG. 2;
fig. 5 is a schematic view of the outer end face of the rear end cap of the motor of fig. 2.
In the figure: the motor comprises a circuit board 1, a first surface 1-1, a second surface 1-2, a recess 1-3, a rear end cover of a 4 motor, a 4-1 pipeline, a 4-1 convex rib, a 4-2 bolt hole, a 4-3 inner end surface, a 4-4 radiating fin, a 4-5 hole part, a 4-6 connecting lifting lug, a 4-7 recess, a 4-8 outer end surface, a 4-9 stopping part, an S pipeline axial direction, a Z circumferential direction, a 5 motor main shell, a 6 brushless motor inner part and 10 bolts.
Specific examples:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to an embodiment of the present utility model, a brushless motor for an air compressor is proposed, see fig. 1, comprising: a stator (not shown), a rotor (not shown) and a motor main housing 5 for accommodation, wherein a brushless motor configured in the motor main housing 5 in the form of an inner rotor or an outer rotor is included. The motor comprises a motor rear end cover 4 and a circuit board 1 which can control the starting, speed regulation, braking and reversing of a brushless motor and is integrated by a main command device, wherein the circuit board 1 can be a PCB (printed circuit board), the circuit board 1 is provided with a first surface 1-1 and a second surface 1-2 which are oppositely arranged, and electronic components are formed on the circuit board 1 through an electronic surface mounting technology. The motor rear end cap 4 includes an inner end face 4-3 facing the inside 6 of the brushless motor and an outer end face 4-8 arranged opposite to the inner end face 4-3. The motor rear end cover 4 and the motor main shell 5 are detachably arranged, so that the motor rear end cover 4 is convenient to assemble. The first face 1-1 is arranged on the inner end face 4-3, see fig. 3, wherein the first face 1-1 is in close to complete abutment with the inner end face 4-3. The first surface 4-3 of the circuit board 1 is closely and completely attached to the inner end surface 4-3 of the motor rear end cover 4, so that the heat conduction efficiency of the circuit board 1 and the motor rear end cover 4 is improved, the circuit board 1 is facilitated to conduct heat away through the motor rear end cover 4, the internal temperature of the circuit board 1 is reduced, and the service life of the circuit board 1 is prolonged.
Preferably, the first face 4-3 is close to a light face; the second side 1-2 is provided with electronic components. Ideally, the first surface 4-3 is a smooth surface, and no electronic component is attached, so that the contact area with the inner end surface 4-3 can be increased, and the heat conduction efficiency can be improved. There are also unavoidable solder points or parts of the electronic components present on the first side 4-3, in which case recesses 4-7 may also be provided in the inner side 4-3 in order to accommodate the above. Preferably, referring to fig. 5, a plurality of heat radiating fins 4-4 are arranged on an outer end surface 4-8 opposite to the inner end surface 4-3. The heat radiating fins 4-4 can increase the heat radiating area of the rear end 4 of the motor, and similarly, are beneficial to improving the heat conduction efficiency.
In this embodiment, referring to fig. 2, 3 and 4, the inner end surface 4-3 is formed with a locking position for fixing the circuit board 1, wherein the locking position is configured as a bolt hole 4-2 recessed with respect to the inner end surface 4-3. The bolt holes 4-2 are arranged on the inner end face 4-3 in a triangular shape, and when the circuit board 1 is assembled, the circuit board 1 is fixed on the inner end face 4-3 through bolts 10, so that locking is more firm.
In this embodiment, a connecting lug 4-6 is formed near the outer end face 4-8 in the circumferential direction Z of the motor rear end cover 4, as in the arrow direction in fig. 2, for fixing a connecting bolt when the motor rear end cover 4 is fixed, wherein a portion of the connecting lug 4-6 extends out of the motor rear end cover 4; the motor rear end cover 4 is further provided with a hole 4-5 in the circumferential direction Z for inserting a wire harness (not shown), and the wire harness (not shown) is electrically connected to the circuit board 1.
In this embodiment, with continued reference to fig. 1, 2 and 3, a portion of the pipe 4-1 is formed on the outer end surface 4-8, and another portion of the pipe 4-1 is formed on the inner end surface 4-3 and passes through the circuit board 1; the duct 4-1 is adapted to allow air to pass through. When the brushless motor is used for the compressor, the heat dissipation of the circuit board 1 can be facilitated by means of heat convection when the pipeline 4-1 is used for providing air for the air compression unit or refluxing air from the direction of the pneumatic equipment. The pipe 4-1 is manufactured in a circular shape for easy plug-in fitting.
In the present embodiment, with continued reference to fig. 2 and 3, a stopper portion 4-9 is formed on the outer wall surface of the pipe axial direction S formed on the inner end surface 4-3 to define the fitting position of the circuit board 1 when the circuit board 1 is fitted to the stopper portion 4-9.
Preferably, the stop portion 4-9 is configured to have a rib 4-1-1 having a length in conformity with the pipe axial direction S, and the circuit board 1 is formed with a recess 4-7 fitted in correspondence with the rib 4-1-1.
In this practical example, motor rear end cap 4 material is aluminium. Other metal materials which are beneficial to processing and have heat dissipation performance can be selected for manufacturing.
Preferably, the motor rear end cover 4 is manufactured by integrally forming. The structural strength of the motor rear end cover 4 is increased.
It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present utility model, and is not intended to limit the scope of the utility model, as long as the scope of the utility model is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. A brushless motor for an air compressor, comprising: the motor comprises a stator, a rotor, a motor main shell (5) used for accommodating, a motor rear end cover (4) and a circuit board (1) integrated with a main device capable of controlling the starting, speed regulation, braking and reversing of a brushless motor, wherein the circuit board (1) is provided with a first surface (1-1) and a second surface (1-2) which are oppositely arranged;
the motor rear end cover (4) comprises an inner end face (4-3) facing the inside of the brushless motor and an outer end face (4-8) which is arranged opposite to the inner end face (4-3), and is characterized in that the motor rear end cover (4) is detachably arranged with the motor main shell (5), and the first face (1-1) is arranged on the inner end face (4-3), wherein the first face (1-1) is in close complete fit with the inner end face (4-3).
2. A brushless electric machine for an air compressor according to claim 1, characterized in that the first face (1-1) is close to a smooth face; the second face (1-2) is provided with electronic components.
3. A brushless electric machine for an air compressor according to claim 1, characterized in that a number of heat radiating fins (4-4) are arranged on an outer end surface (4-8) opposite to the inner end surface (4-3).
4. A brushless motor for an air compressor according to claim 1, characterized in that the inner end surface (4-3) is formed with locking positions for fixing the circuit board (1), wherein the locking positions are configured as bolt holes (4-2) recessed with respect to the inner end surface (4-3).
5. A brushless motor for an air compressor according to claim 1, characterized in that a connecting lug (4-6) is formed on the motor rear end cover (4) near the outer end face (4-8) in the circumferential direction for fixing a connecting bolt (10) when the motor rear end cover (4) is fixed, wherein the connecting lug (4-6) extends partially out of the motor rear end cover (4); the motor rear end cover (4) is also provided with a hole part (4-5) for inserting a wire harness in the circumferential direction (Z), and the wire harness is electrically connected to the circuit board (1).
6. A brushless electric machine for an air compressor according to claim 1, characterized in that the outer end face (4-8) is formed with a part of the pipe (4-1), and another part of the pipe (4-1) is formed on the inner end face (4-3) and passes through the circuit board (1); the duct (4-1) is adapted to allow air to pass through.
7. A brushless motor for an air compressor according to claim 6, characterized in that a stopper portion (4-9) is constructed on an axially outer wall surface of the duct (4-1) formed on the inner end surface (4-3) for defining an assembling position of the circuit board (1) when the circuit board (1) is assembled to the stopper portion (4-9) position.
8. A brushless motor for an air compressor according to claim 7, characterized in that the stopper portion (4-9) is configured as a rib (4-1-1) having a length in a direction axially coincident with the pipe (4-1), and the circuit board (1) is formed with a recess (1-3) fitted in correspondence with the rib (4-1-1).
9. A brushless motor for an air compressor according to claim 7, characterized in that the material from which the motor rear end cap (4) is made comprises aluminum.
10. A brushless electric machine for an air compressor according to any one of claims 1 to 9, characterized in that the motor rear end cap (4) is manufactured in one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821183.4U CN220307073U (en) | 2023-07-12 | 2023-07-12 | Brushless motor for air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821183.4U CN220307073U (en) | 2023-07-12 | 2023-07-12 | Brushless motor for air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220307073U true CN220307073U (en) | 2024-01-05 |
Family
ID=89372445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321821183.4U Active CN220307073U (en) | 2023-07-12 | 2023-07-12 | Brushless motor for air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307073U (en) |
-
2023
- 2023-07-12 CN CN202321821183.4U patent/CN220307073U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4983714B2 (en) | Electric compressor | |
| US10424990B2 (en) | Inverter-integrated electric compressor | |
| US20050012387A1 (en) | Electric powered pump | |
| CN105305732B (en) | A kind of integrated energy-saving Electromotor of Industrial Sewing Machine | |
| CN105024491A (en) | Integrated motor with impeller | |
| US20080145258A1 (en) | Vacuum pump with a fan | |
| CN220307073U (en) | Brushless motor for air compressor | |
| WO2011063651A1 (en) | Outer rotor brushless dc motor | |
| JP2008131792A (en) | Inverter-integrated electric compressor | |
| US20040052660A1 (en) | Electric compressor | |
| CN103703249B (en) | Comprise the Modular electric compressor of assembling device | |
| CN110168872A (en) | The manufacturing method of motor, air conditioner and motor | |
| CN204961207U (en) | Double -cylinder air compressor machine | |
| CN105370593A (en) | Automobile air conditioner blower driven by brushless direct current motor | |
| CN214543994U (en) | External rotor motor and air conditioner | |
| KR20090090111A (en) | An engine for aircompressor | |
| CN205212646U (en) | Energy -conserving industrial sewing machine motor of integration | |
| CN212751981U (en) | New-type structure external rotor electric machine shell and external rotor electric machine | |
| CN210461087U (en) | Electronic water pump structure | |
| CN210041505U (en) | Blower motor casing | |
| KR102234549B1 (en) | Motor and inverter integrated type restart apparatus | |
| CN209212557U (en) | A kind of side-mounted compressor of controller and the controller lid conducive to pneumatic sealing test | |
| CN219893125U (en) | Stator and rotor assembly with efficient heat dissipation | |
| CN210867429U (en) | Disc type motor and stator assembly thereof | |
| CN219458835U (en) | Small-volume servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |