CN210806901U - High-power double-value capacitor single-phase asynchronous motor - Google Patents
High-power double-value capacitor single-phase asynchronous motor Download PDFInfo
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- CN210806901U CN210806901U CN201922229375.6U CN201922229375U CN210806901U CN 210806901 U CN210806901 U CN 210806901U CN 201922229375 U CN201922229375 U CN 201922229375U CN 210806901 U CN210806901 U CN 210806901U
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- end cover
- base
- phase asynchronous
- asynchronous motor
- motor
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Abstract
The utility model provides a high-power binary capacitor single-phase asynchronous motor, a welding base is arranged below the middle part of a machine base, a front end cover is arranged on the left end surface of the machine base, a rear end cover is arranged on the right end surface of the machine base, a front bearing is arranged in a central shaft hole of the front end cover, and a rear bearing is arranged in a central shaft hole of the rear end cover; the top outer ring of the base is sequentially provided with a shaft sleeve and a capacitor from left to right; the top surface of the middle part of the base is provided with a through hole which is communicated with the shaft sleeve, and the top of the shaft sleeve is provided with a junction box; the stator is arranged on the inner ring in the middle of the engine base and is of an annular structure, and a gap is formed between the inner wall of the stator and the outer ring of the rotor. The utility model has the advantages of simple structure, low price, the operation is reliable, and the noise is low, and the vibration is little, and it is convenient to maintain, adopts the sheet steel frame, and tensile welding shaping perhaps adopts the steel pipe, and manufacturing process is simple, than cast iron frame light in weight, need not machining.
Description
Technical Field
The utility model belongs to the technical field of the motor, in particular to single-phase asynchronous motor of high-power binary capacitor.
Background
The existing high-power single-phase asynchronous motor consists of a stator, a rotor, an end cover and a junction box. The stator frame is substantially made by casting cast iron. The following technical drawbacks exist: because the motor stator base is made of cast iron by casting, failure treatment and machining are needed, so that the manufacturing cost is increased; large volume and heavy weight; the technical performance index is to be improved.
How to design a high-power double-value capacitor single-phase asynchronous motor and how to reduce the processing steps of a motor stator base cast by cast iron becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a high-power two-value capacitor single-phase asynchronous motor, which is used to solve the problem that the motor stator frame in the prior art is made of cast iron by casting, and needs to be processed for failure treatment and machining, so that the manufacturing cost is increased; large volume and heavy weight; the technical performance index is to be improved.
In order to achieve the purpose, the utility model provides a high-power binary capacitor single-phase asynchronous motor, which comprises a frame, wherein the inner center of the frame is provided with a motor shaft, the outer ring at the middle part of the motor shaft is provided with a rotor, the left end of the rotor is provided with a centrifugal switch, a welding base is arranged below the middle part of the frame, the left end surface of the frame is provided with a front end cover, the right end surface of the frame is provided with a rear end cover, a front bearing is arranged in the central shaft hole of the front end cover, and a rear bearing is arranged in the central;
the top outer ring of the base is sequentially provided with a shaft sleeve and a capacitor from left to right;
the top surface of the middle part of the base is provided with a through hole which is communicated with the shaft sleeve, and the top of the shaft sleeve is provided with a junction box;
the stator is arranged on the inner ring in the middle of the base and is of an annular structure, and a gap is formed between the inner wall of the stator and the outer ring of the rotor;
by adopting the technical scheme: the stator has two windings, main winding and secondary winding, the rotor is in a squirrel-cage structure, and the stator winding which is connected with single-phase alternating current generates a rotating magnetic field in an air gap, so that the rotor of the squirrel-cage structure induces electromotive force and current to generate electromagnetic torque, and the conversion of electric energy and mechanical energy is realized.
In an embodiment of the present invention, the left end of the motor shaft passes through the front bearing, and the shaft section of the left end of the motor shaft exposed out of the front end cover is the motor output shaft.
In an embodiment of the present invention, the front end cover is formed by drawing or welding a steel pipe.
In an embodiment of the utility model, the right-hand member of motor shaft pass the rear bearing, the shaft part outer lane that the motor shaft right-hand member exposes the rear end cap is provided with the fan.
In an embodiment of the present invention, the rear end cap is formed by drawing or welding a steel pipe.
In an embodiment of the present invention, the frame is formed by stretching or welding steel pipes.
In an embodiment of the present invention, the outer ring of the right end of the frame is provided with the fan cover.
In an embodiment of the present invention, the fan housing is connected to the first screw hole corresponding to the outer circle of the rear end cover through the plurality of screws on the outer ring of the fan housing.
In an embodiment of the present invention, the fan housing is formed by stretch forming or by welding steel pipes.
In an embodiment of the present invention, the front end cover and the rear end cover are provided with a plurality of bolts around the circumference uniform distribution on the end surface away from one side of the rotor, and the bolts are connected with the corresponding second screw holes on the end surface of the stator.
As above, the utility model provides a high-power binary capacitor single-phase asynchronous motor has simple structure, and low price, the operation is reliable, and the noise is low, and the vibration is little, maintains advantages such as convenient, adopts the sheet steel frame, and tensile welding shaping perhaps adopts the steel pipe, and manufacturing process is simple, and is lighter than cast iron frame weight, need not machining, and popularization and application have good economic benefits and social.
Drawings
Fig. 1 is a schematic view of the installation structure of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
In the figure: 1. a front bearing; 2. a centrifugal switch; 3. a bolt; 4. a front end cover; 5. a junction box; 6. a stator; 7. a rotor; 8. a capacitor; 9. a rear end cap; 10. a screw; 11. a fan housing; 12. a fan; 13. a machine base.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a high-power binary capacitor single-phase asynchronous motor, including frame 13, the inside center of frame 13 is provided with the motor shaft, the middle part outer lane of motor shaft is provided with rotor 7, the left end of rotor 7 is provided with centrifugal switch 2, frame 13 middle part below be provided with the welding base, the left end face of frame 13 is provided with front end housing 4, the right end face of frame 13 is provided with rear end housing 9, be provided with front bearing 1 in the central shaft hole of front end housing 4, be provided with the rear bearing in the central shaft hole of rear end housing 9;
the top outer ring of the base 13 is sequentially provided with a shaft sleeve and a capacitor 8 from left to right;
as shown in fig. 2, a through hole is formed in the top surface of the middle of the base 13, the through hole is communicated with a shaft sleeve, and a junction box 5 is arranged at the top of the shaft sleeve;
the stator 6 is arranged on the inner ring in the middle of the base 13, the stator 6 is of an annular structure, and a gap is formed between the inner wall of the stator 6 and the outer ring of the rotor 7; by adopting the technical scheme: the stator is provided with two windings, namely a main winding and an auxiliary winding, the rotor is of a squirrel-cage structure, and the stator winding which is connected with single-phase alternating current generates a rotating magnetic field in an air gap, so that the rotor of the squirrel-cage structure induces electromotive force and current to generate electromagnetic torque, and the conversion of electric energy and mechanical energy is realized;
the left end of the motor shaft penetrates through the front bearing 1, and the shaft section of the left end of the motor shaft exposed out of the front end cover 4 is a motor output shaft;
the front end cover 4 is formed by stretching or welding steel pipes;
the right end of the motor shaft penetrates through the rear bearing, and a fan 12 is arranged on the outer ring of the shaft section of the motor shaft, which is exposed out of the rear end cover 9;
the rear end cover 9 is formed by stretching or welding steel pipes;
the base 13 is formed by stretching or welding steel pipes;
the outer ring of the right end of the engine base 13 is provided with a fan cover 11;
the fan cover 11 is connected with a corresponding first screw hole on the excircle of the rear end cover 9 through a plurality of screws 10 on the outer ring of the fan cover;
the fan cover 11 is formed by stretching or welding steel pipes;
the end faces of the front end cover 4 and the rear end cover 9, which are far away from the rotor 7, are provided with a plurality of bolts 3 uniformly distributed around the circumference, and the bolts 3 are connected with corresponding second screw holes on the end faces of the stator 6.
In the first embodiment, the utility model is composed of a stator 6, a rotor 7, a front end cover 4, a rear end cover 9, a front bearing 1, a rear bearing, a centrifugal switch 2, a junction box 5 and the like; the cooling mode adopts air cooling; the stator 6 is provided with two windings, namely a main winding and an auxiliary winding, the rotor 7 is of a squirrel-cage structure, the stator winding which is connected with single-phase alternating current generates a rotating magnetic field in an air gap, so that the rotor 7 of the squirrel-cage structure induces electromotive force and current to generate electromagnetic torque, the conversion of electric energy and mechanical energy is realized, and the rotor 7 rotates to drive a load to work; the front end cover 4, the rear end cover 9 and the engine base 13 are assembled into a whole through bolts, and the rotor 7 is assembled into a whole with the front bearing 1 and the rear bearing; the terminal block 5 is connected to an external power supply.
The second embodiment of the utility model discloses an electromagnetism optimal design, confirm to optimize reasonable geometric parameters, rationally select electric capacity, make technical parameters such as torque, efficiency, power factor of motor obtain improving; the utility model has the advantages that the high-power double-value capacitor single-phase asynchronous motor has small volume and light weight, and the technical parameters of torque, efficiency, power factor and the like are improved; the device has the advantages of simple structure, low price, reliable operation, low noise, small vibration, convenient maintenance and the like; the energy can be saved during operation, and the product is energy-saving; a stator winding of the high-power binary capacitor single-phase asynchronous motor generates a rotating magnetic field in an air gap, so that a cage-shaped rotor induces electromotive force and current to generate electromagnetic torque, the conversion of electric energy and mechanical energy is realized, and a rotor 7 rotates to drive a load to work; in order to obtain better performance data, the secondary winding is connected with two capacitors in parallel, and the capacitors and the number of turns of the secondary winding are properly selected to improve the running performance of the motor; the centrifugal switch 2 is functionally connected and disconnected with 1 capacitor, the starting torque of the motor can be improved, the stator winding adopts a sinusoidal winding, the additional torque is reduced, and the stator magnetomotive force harmonic wave is weakened.
To sum up, the utility model provides a single-phase asynchronous motor of high-power binary capacitor has simple structure, and the low price, the operation is reliable, and the noise is low, and the vibration is little, maintains advantages such as convenient, adopts the sheet steel frame, and tensile weld forming perhaps adopts the steel pipe, and manufacturing process is simple, and is lighter than cast iron frame weight, need not machining. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a single-phase asynchronous motor of high-power binary capacitor, includes frame (13), and the inside center of frame (13) is provided with the motor shaft, and the middle part outer lane of motor shaft is provided with rotor (7), and the left end of rotor (7) is provided with centrifugal switch (2), its characterized in that: a welding base is arranged below the middle part of the base (13), a front end cover (4) is arranged on the left end face of the base (13), a rear end cover (9) is arranged on the right end face of the base (13), a front bearing (1) is arranged in a central shaft hole of the front end cover (4), and a rear bearing is arranged in a central shaft hole of the rear end cover (9);
the top outer ring of the base (13) is sequentially provided with a shaft sleeve and a capacitor (8) from left to right;
the top surface of the middle part of the base (13) is provided with a through hole which is communicated with the shaft sleeve, and the top of the shaft sleeve is provided with a junction box (5);
the stator (6) is arranged on the inner ring of the middle of the engine base (13), the stator (6) is of an annular structure, and a gap is formed between the inner wall of the stator (6) and the outer ring of the rotor (7).
2. A high power double value capacitor single phase asynchronous motor as claimed in claim 1, wherein: the left end of the motor shaft penetrates through the front bearing (1), and the shaft section of the left end of the motor shaft, which is exposed out of the front end cover (4), is a motor output shaft.
3. A high power double value capacitor single phase asynchronous motor as claimed in claim 2, wherein: the front end cover (4) is formed by stretching or welding steel pipes.
4. A high power double value capacitor single phase asynchronous motor as claimed in claim 1, wherein: the right end of the motor shaft penetrates through the rear bearing, and a fan (12) is arranged on the outer ring of the shaft section of the motor shaft, which is exposed out of the rear end cover (9).
5. The high-power double-value capacitor single-phase asynchronous motor according to claim 4, characterized in that: the rear end cover (9) is formed by stretching or welding steel pipes.
6. A high power double value capacitor single phase asynchronous motor as claimed in claim 1, wherein: the machine base (13) is formed by stretching or welding steel pipes.
7. The high-power double-value capacitor single-phase asynchronous motor according to claim 6, characterized in that: and a fan cover (11) is arranged on the outer ring of the right end of the engine base (13).
8. A high power double value capacitor single phase asynchronous motor as claimed in claim 7, wherein: the fan cover (11) is connected with a first screw hole corresponding to the excircle of the rear end cover (9) through a plurality of screws (10) on the outer ring of the fan cover.
9. A high power double value capacitor single phase asynchronous motor as claimed in claim 8, wherein: the fan cover (11) is formed by stretching or welding steel pipes.
10. A high power double value capacitor single phase asynchronous motor as claimed in claim 1, wherein: the front end cover (4) and the rear end cover (9) are provided with a plurality of bolts (3) uniformly distributed around the circumference on the end surface far away from the rotor (7), and the bolts (3) are connected with corresponding second screw holes on the end surface of the stator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229375.6U CN210806901U (en) | 2019-12-10 | 2019-12-10 | High-power double-value capacitor single-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229375.6U CN210806901U (en) | 2019-12-10 | 2019-12-10 | High-power double-value capacitor single-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210806901U true CN210806901U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922229375.6U Expired - Fee Related CN210806901U (en) | 2019-12-10 | 2019-12-10 | High-power double-value capacitor single-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210806901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243991A (en) * | 2021-12-30 | 2022-03-25 | 南京南微电机有限公司 | Single-phase double-value capacitor asynchronous motor |
-
2019
- 2019-12-10 CN CN201922229375.6U patent/CN210806901U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243991A (en) * | 2021-12-30 | 2022-03-25 | 南京南微电机有限公司 | Single-phase double-value capacitor asynchronous motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20211210 |