CN210744859U - Permanent magnet synchronous motor for air conditioner compressor with stable operation - Google Patents
Permanent magnet synchronous motor for air conditioner compressor with stable operation Download PDFInfo
- Publication number
- CN210744859U CN210744859U CN201921724565.9U CN201921724565U CN210744859U CN 210744859 U CN210744859 U CN 210744859U CN 201921724565 U CN201921724565 U CN 201921724565U CN 210744859 U CN210744859 U CN 210744859U
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- China
- Prior art keywords
- permanent magnet
- stator
- synchronous motor
- locating plate
- air conditioner
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Abstract
The utility model discloses a move stable permanent magnet synchronous motor for air condition compressor, including the protecting crust, the stator has been cup jointed to the inboard of protecting crust, the inboard of stator is rotated and is installed permanent magnet rotor, permanent magnet rotor comprises permanent magnet and pivot, and the permanent magnet cover is established in the pivot outside, be provided with the magnetic force chamber between stator and the permanent magnet rotor, the inboard permanent magnet rotor surface in magnetic force chamber is encircleed and is provided with the stopper, all the activity is provided with the ball between the stopper. This move stable PMSM for air condition compressor, because same magnetomotive force, the magnetic resistance is less, and the magnetic flux is just bigger, and the magnetic resistance of air is big, and ferromagnetic substance's magnetic resistance is little, so the ball can reduce the clearance between permanent magnet rotor and the stator, and makes magnetic flux and suction increase, guarantees that the permanent magnet is fixed in the pivot steadily, drives the permanent magnet when guaranteeing the pivot rotation and does synchronous motion, and makes the structure of motor be convenient for more equipment.
Description
Technical Field
The utility model relates to a PMSM technical field specifically is a PMSM for air condition compressor that operation is stable.
Background
The permanent magnet synchronous motor mainly comprises a rotor, a stator, an end cover and the like. The stator structure of the permanent magnet synchronous motor is very similar to that of a common induction motor, the rotor structure is different from that of an asynchronous motor in that a high-quality permanent magnet magnetic pole is arranged on a rotor, the permanent magnet synchronous motor is generally divided into a surface type rotor structure and a built-in type rotor structure according to the position of the permanent magnet arranged on the rotor, a machine shell is used for protecting parts of the permanent magnet synchronous motor, and all components of the permanent magnet synchronous motor are fixed inside a machine base through assembling and combining.
However, the current permanent magnet motor cannot ensure the stable operation of the motor when in use, can generate stronger vibration when the motor works at a high speed, and the current permanent magnet synchronous motor has a relatively complex structure, high production and manufacturing cost and relatively complex operation, is not beneficial to assembly and production and has low overall stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a move stable permanent magnet synchronous motor for air condition compressor to solve the smooth operation that can not guarantee the motor when the present permanent magnet motor who proposes in the above-mentioned background art uses, at the high-speed during operation of motor, can produce stronger vibration, and the structure about permanent magnet synchronous motor is complicated relatively at present, and production manufacturing cost is big, and the operation is complicated relatively, is unfavorable for the problem that equipment production and complete machine stability are low.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a move stable PMSM for air condition compressor, includes the protecting crust, the stator has been cup jointed to the inboard of protecting crust, the inboard of stator is rotated and is installed permanent magnet rotor, permanent magnet rotor comprises permanent magnet and pivot, and the permanent magnet cover is established in the pivot outside, be provided with the magnetic force chamber between stator and the permanent magnet rotor, the inboard permanent magnet rotor surface in magnetic force chamber encircles and is provided with the stopper, all the activities are provided with the ball between the stopper.
The both ends of protecting crust there are front end housing and rear end housing respectively movable mounting, the bottom fixed mounting of protecting crust has the locating plate, the top both sides of locating plate all fixed mounting have the spacer, the locating hole has all been seted up on the surface that spacer and protecting crust correspond, and the locating plate passes through the spacer and the locating hole is connected with the protecting crust.
Preferably, a bearing is fixedly installed at the center of the front end cover, and a transmission head is installed at the output end of the rotating shaft through the bearing.
Preferably, the inner sides of the protective shell and the stator are both provided with thread grooves in a penetrating mode, and thread bolts are movably mounted on the inner sides of the thread grooves.
Preferably, the both sides edge of locating plate all fixed mounting have the connecting block, and the connecting hole has all been seted up on the surface of connecting block.
Preferably, the surfaces of the front end cover and the rear end cover are both provided with dust screens.
Preferably, the port of the protective shell is provided with an insertion groove, and one side of the front end cover and one side of the rear end cover corresponding to the insertion groove are provided with insertion needles.
Preferably, the ball and the limiting block are made of ferromagnetic materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a stator, permanent magnet rotor, the permanent magnet, the pivot, the magnetic force chamber, reasonable cooperation between stopper and the ball is used, because same magnetomotive force, the magnetic resistance is less, the magnetic flux is just bigger, the magnetic resistance of air is big, ferromagnetic substance's magnetic resistance is little, so the ball can reduce the clearance between permanent magnet rotor and the stator, and make magnetic flux and suction increase, guarantee that the permanent magnet is fixed in the pivot steadily, drive the permanent magnet when guaranteeing the pivot and rotate and be synchronous motion, and make the structure of motor be convenient for more the equipment.
2. The utility model discloses a reasonable cooperation between locating plate, spacer and the locating hole is used, can make the horizontal adjustment work of motor installation become very simple, and the locating plate can prevent that the motor bottom from soaking with motor lifting to a take the altitude simultaneously, can guarantee that fastness is fixed between motor and the locating plate for overhaul convenience, installation cost reduce.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a sectional view of the internal structure of the present invention;
FIG. 3 is a top view of the positioning plate of the present invention;
fig. 4 is a sectional view of the connection part of the protective shell and the end cover of the present invention.
In the figure: 1. connecting blocks; 2. connecting holes; 3. positioning a plate; 4. a rear end cap; 5. a thread groove; 6. positioning plates; 7. a protective shell; 8. a threaded bolt; 9. a front end cover; 10. a dust screen; 11. a bearing; 12. a drive head; 13. a permanent magnet rotor; 14. a rotating shaft; 15. a ball bearing; 16. a magnetic cavity; 17. a limiting block; 18. a stator; 19. positioning holes; 20. inserting grooves; 21. inserting a needle; 22. and a permanent magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet synchronous motor for an air conditioner compressor with stable operation comprises a protective shell 7, a stator 18 is sleeved on the inner side of the protective shell 7, a permanent magnet rotor 13 is rotatably installed on the inner side of the stator 18, the permanent magnet rotor 13 is composed of a permanent magnet 22 and a rotating shaft 14, the permanent magnet 22 is sleeved on the outer side of the rotating shaft 14, a magnetic force cavity 16 is arranged between the stator 18 and the permanent magnet rotor 13, limiting blocks 17 are arranged on the surface of the permanent magnet rotor 13 on the inner side of the magnetic force cavity 16 in a surrounding mode, and balls 15 are movably arranged between the limiting blocks 17, because the same magnetomotive force is smaller, the magnetic flux is larger, the magnetic resistance of air is larger, the magnetic resistance of ferromagnetic substances is smaller, the balls 15 can reduce the gap between the permanent magnet rotor 13 and the stator 18, further the magnetic flux and the suction force are increased, the permanent magnet 22 is ensured to, and the structure of the motor is more convenient to assemble.
The both ends of protecting crust 7 movable mounting respectively have front end housing 9 and rear end housing 4, the bottom fixed mounting of protecting crust 7 has locating plate 3, the top both sides of locating plate 3 all fixed mounting have spacer 6, locating hole 19 has all been seted up on the surface that spacer 6 and protecting crust 7 correspond, and locating plate 3 is connected with protecting crust 7 through spacer 6 and locating hole 19, the horizontal adjustment work that can make the motor installation becomes very simple, locating plate 3 can be with motor lifting to a take the altitude simultaneously, prevent that the motor bottom from soaking, can guarantee that the fastness is fixed between motor and the locating plate 3, make the maintenance convenient, installation cost reduces.
The utility model discloses in: the center of the front end cover 9 is fixedly provided with a bearing 11, and the output end of the rotating shaft 14 penetrates through the bearing 11 to be provided with a transmission head 12, so that a certain supporting effect can be achieved in the transmission process.
The utility model discloses in: the inner sides of the protective shell 7 and the stator 18 are both provided with a thread groove 5 in a penetrating mode, and the inner side of the thread groove 5 is movably provided with a thread bolt 8, so that the stator 18 and the protective shell 7 can be connected more stably.
The utility model discloses in: all fixed mounting have connecting block 1 in locating plate 3's both sides edge, and connecting hole 2 has all been seted up on connecting block 1's surface, can fix the motor wholly in corresponding position department, avoid producing acutely to rock in the operation process.
The utility model discloses in: the surfaces of the front end cover 9 and the rear end cover 4 are both provided with dust screens 10, so that the occurrence of faults caused by the fact that external dust enters the interior of the motor can be prevented.
The utility model discloses in: the port department of protecting crust 7 has all seted up inserting groove 20, and one side of front end housing 9 and rear end cap 4 that inserting groove 20 corresponds all is provided with plug pin 21, can conveniently dismantle in real time to the motor and overhaul internal components.
The utility model discloses in: the balls 15 and the limiting blocks 17 are made of ferromagnetic materials, so that the gap between the permanent magnet rotor 13 and the stator 18 can be reduced, and further the magnetic flux and the suction force are increased.
The working principle is as follows: before the permanent magnet synchronous motor is used, the permanent magnet synchronous motor needs to be checked, whether each part of the permanent magnet synchronous motor is intact is checked, the permanent magnet synchronous motor can be used after the checking is finished, when the permanent magnet synchronous motor needs to be used, firstly, the motor and corresponding equipment can be fixedly connected through the transmission head 12, the motor is integrally fixed at a corresponding position through the connecting block 1 and the connecting hole 2, in the operation process of the motor, because the same magnetomotive force is smaller, the magnetic flux is larger, the magnetic resistance of air is larger, and the magnetic resistance of ferromagnetic substances is smaller, so that the ball 15 can reduce the gap between the permanent magnet rotor 13 and the stator 18, further the magnetic flux and the suction force are increased, the permanent magnet 22 is ensured to be stably fixed on the rotating shaft 14, the rotating shaft 14 is ensured to drive the permanent magnet 22 to do synchronous motion, the structure of the motor is more convenient to assemble, and meanwhile, simultaneously, the positioning plate 3 can lift the motor to a certain height, so that the bottom of the motor is prevented from being soaked, and the fastness between the motor and the positioning plate 3 is ensured to be fixed, so that the maintenance is convenient, and the installation cost is reduced.
In summary, the following steps: the utility model uses the stator 18, the permanent magnet rotor 13, the permanent magnet 22, the rotating shaft 14, the magnetic force cavity 16, the limiting block 17 and the ball 15 reasonably, because the same magnetomotive force, the magnetic resistance is smaller, the magnetic flux is larger, the magnetic resistance of air is large, and the magnetic resistance of ferromagnetic substance is small, so the ball 15 can reduce the clearance between the permanent magnet rotor 13 and the stator 18, further the magnetic flux and the suction force are increased, the permanent magnet 22 is ensured to be stably fixed on the rotating shaft 14, the permanent magnet 22 is driven to do synchronous motion when the rotating shaft 14 rotates, and the structure of the motor is more convenient to assemble, the utility model can ensure that the horizontal adjustment work of motor installation becomes very simple through reasonable matching use between the positioning plate 3, the positioning plate 3 can lift the motor to a certain height, prevent the bottom of the motor from being soaked, and ensure that the fastness between the motor and the positioning plate 3 is fixed, the maintenance is convenient, and the installation cost is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a move stable PMSM for air condition compressor, includes protecting crust (7), its characterized in that: a stator (18) is sleeved on the inner side of the protective shell (7), a permanent magnet rotor (13) is rotatably mounted on the inner side of the stator (18), the permanent magnet rotor (13) is composed of a permanent magnet (22) and a rotating shaft (14), the permanent magnet (22) is sleeved on the outer side of the rotating shaft (14), a magnetic force cavity (16) is arranged between the stator (18) and the permanent magnet rotor (13), limiting blocks (17) are arranged on the surface of the permanent magnet rotor (13) on the inner side of the magnetic force cavity (16) in a surrounding mode, and balls (15) are movably arranged between the limiting blocks (17);
the utility model discloses a safety protection device for automobile, including protective housing (7), locating plate (6) and locating hole (7), the both ends of protective housing (7) movable mounting respectively have front end housing (9) and rear end cap (4), the bottom fixed mounting of protective housing (7) has locating plate (3), all fixed mounting have locating plate (6) in the top both sides of locating plate (3), locating hole (19) have all been seted up on the surface that locating plate (6) and protective housing (7) correspond, and locating plate (3) are connected with protective housing (7) through locating plate (6) and locating hole (19).
2. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: the center of front end housing (9) department fixed mounting has bearing (11), and the output of pivot (14) runs through bearing (11) and installs transmission head (12).
3. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: the inner sides of the protective shell (7) and the stator (18) are provided with thread grooves (5) in a penetrating mode, and thread bolts (8) are movably mounted on the inner sides of the thread grooves (5).
4. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: both sides edge of locating plate (3) all fixed mounting have connecting block (1), and connecting hole (2) have all been seted up on the surface of connecting block (1).
5. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: the surfaces of the front end cover (9) and the rear end cover (4) are provided with dust screens (10).
6. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: the port department of protecting crust (7) all seted up inserting groove (20), and one side of front end housing (9) and rear end cap (4) that inserting groove (20) correspond all is provided with plug pin (21).
7. The permanent magnet synchronous motor for the air conditioner compressor with stable operation according to claim 1, is characterized in that: the ball (15) and the limiting block (17) are made of ferromagnetic materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921724565.9U CN210744859U (en) | 2019-10-15 | 2019-10-15 | Permanent magnet synchronous motor for air conditioner compressor with stable operation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921724565.9U CN210744859U (en) | 2019-10-15 | 2019-10-15 | Permanent magnet synchronous motor for air conditioner compressor with stable operation |
Publications (1)
Publication Number | Publication Date |
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CN210744859U true CN210744859U (en) | 2020-06-12 |
Family
ID=71010978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921724565.9U Expired - Fee Related CN210744859U (en) | 2019-10-15 | 2019-10-15 | Permanent magnet synchronous motor for air conditioner compressor with stable operation |
Country Status (1)
Country | Link |
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CN (1) | CN210744859U (en) |
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2019
- 2019-10-15 CN CN201921724565.9U patent/CN210744859U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20201015 |
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CF01 | Termination of patent right due to non-payment of annual fee |