CN201536342U - Control device of single-phase capacitor running asynchronous motor for ventilation fan - Google Patents
Control device of single-phase capacitor running asynchronous motor for ventilation fan Download PDFInfo
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- CN201536342U CN201536342U CN2009202375514U CN200920237551U CN201536342U CN 201536342 U CN201536342 U CN 201536342U CN 2009202375514 U CN2009202375514 U CN 2009202375514U CN 200920237551 U CN200920237551 U CN 200920237551U CN 201536342 U CN201536342 U CN 201536342U
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- 239000003990 capacitor Substances 0.000 title claims abstract description 16
- 238000009423 ventilation Methods 0.000 title description 4
- 238000004804 winding Methods 0.000 claims abstract description 53
- 241001347978 Major minor Species 0.000 claims abstract description 4
- 239000002516 radical scavenger Substances 0.000 abstract 1
- 230000005662 electromechanics Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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Abstract
The utility model relates to a control device of a single-phase capacitor running asynchronous motor for a ventilator. The motor running and starting circuit comprises an input power supply (4), and a main winding (1) and an auxiliary winding (2) which are connected with the input power supply, wherein the main winding (1) is connected with the auxiliary winding (2) in series, a series circuit formed by the main winding (1) and the auxiliary winding (2) is connected to two ends of the input power supply (4), a motor running and starting capacitor (3) is connected to two ends of the auxiliary winding (2) in parallel, one end of the motor running and starting capacitor (3) is connected with a main and auxiliary winding connection point (5), and the other end of the motor running and starting capacitor (3) is connected with the other end of the auxiliary winding (2). The utility model discloses make motor rotating field circularity improve, the harmonic reduces, make electromagnetic force vibration torque, negative sequence component and positive sequence component ratio, major-minor winding current phase angle can both reach more ideal state, the utility model relates to a make the motor realize low vibration, the low noise and the high-efficient scavenger fan of operation is with single-phase electric capacity operation asynchronous motor's controlling means.
Description
Technical field
The utility model is a kind of control device of used in air exchange fan single-phase capacitor operation asyn. motor, belongs to the renovation technique of the control device of used in air exchange fan single-phase capacitor operation asyn. motor.
Background technology
For used in air exchange fan single-phase capacitor running asynchronous machine, if accomplish higher level at low vibration, low noise, aspect such as efficient, must be both ways, be that electromechanics configuration aspects and motor electromagnetic aspect are all carried out just and can be reached requirement, present electromechanics configuration aspects, all can accomplish finely for transfer core moment, axle cooperates with bearing, stator cooperates with front and rear cover etc., promptly the mechanical oscillation noise performance of electric machine structure aspect can have been accomplished fine.But motor electromagnetic aspect, because traditional used in air exchange fan single-phase capacitor running asynchronous machine all is to adopt the capacitances in series technology, the electric capacity that promptly turns round is to be connected on the auxiliary winding, the input power supply is directly to be added on the main winding, and being difficult in following several respects has better breakthrough: 1, the attenuating of electromagnetic vibratory kinetic moment; 2, magnetic field circularity; 3, the ratio of negative sequence component and positive sequence component; 4, main winding and auxiliary winding current phase angle; 5, harmonic wave reduces.Based on above reason, fine even the vibrating noise performance of electromechanics configuration aspects is accomplished, but because the vibrating noise performance of motor electromagnetic aspect has been difficult to better breakthrough.So final ventilation fan motor is difficult in low vibration, low noise, better level is accomplished in aspect such as efficient.
The utility model content
The purpose of this utility model is to consider the problems referred to above and provides a kind of motor that makes to realize low vibration, the control device of the used in air exchange fan single-phase capacitor operation asyn. motor of low noise and efficient operation.
The technical solution of the utility model is: the control device of the utility model used in air exchange fan single-phase capacitor operation asyn. motor, the main winding and the auxiliary winding that include the input power supply and be connected with power supply, wherein main winding is connected with auxiliary winding, the series circuit that main winding and auxiliary winding are formed is connected the two ends of input power supply, motor rotation and starting capacitance are connected in parallel on the two ends of auxiliary winding, one end of motor rotation and starting capacitance is connected with major-minor winding tie point, and the other end of motor rotation and starting capacitance is connected with the other end of auxiliary winding.
The utility model is because employing electric capacity is the structure of relation in parallel with auxiliary winding, so the terminal voltage of electric capacity can be also more much lower than power input voltage, capacitance also can be a lot of greatly simultaneously, for and auxiliary winding that phase place leading and the main winding of phase lag in parallel with electric capacity, magnetic field circularity is target with 100%, the ratio of negative sequence component and positive sequence component is being target near 0, the electromagnetic vibratory kinetic moment is a target to try one's best little, main, the auxiliary winding current phase angle is a target with 90 degree, main, the ampere-turn magnetic potential of auxiliary winding is than 1 to be target, and carrying out that the motor electromagnetic design just is easy to can balance.In addition, simultaneously because the ratio of negative sequence component and positive sequence component, what the ampere-turn magnetic potential ratio of main winding and auxiliary winding, main winding and auxiliary winding current phase angle can balances is fine, so that the motor internal loss also becomes is very low, electric efficiency also can increase substantially like this.Realize truly it " low vibration, low noise, high efficiency " performance objective of ventilation fan motor.The utility model is that a kind of design is ingenious, function admirable, the control device of convenient and practical used in air exchange fan single-phase capacitor operation asyn. motor.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Embodiment
Embodiment 1:
The utility model is a kind of BPT model pipeline used in air exchange fan single-phase capacitor operation asyn. motor, the iron core external diameter is D76mm, 4 utmost points, 16 grooves, rotor 22 grooves, its control device as shown in Figure 1, the main winding 1 and the auxiliary winding 2 that include input power supply 4 and be connected with power supply, wherein main winding 1 is connected with auxiliary winding 2, main winding 1 is connected the two ends of importing power supply 4 with the series circuit that auxiliary winding 2 is formed, motor rotation and starting capacitance 3 are connected in parallel on the two ends of auxiliary winding 2, one end of motor rotation and starting capacitance 3 is connected with major-minor winding tie point 5, and the other end of motor rotation and starting capacitance 3 is connected with the other end of auxiliary winding 2.Input power supply 4 of the present utility model is 220V for voltage, and power frequency is the AC power of 50Hz.
The utility model is when cooperating skewed slot to be the rotor of oblique 1.7 rotor slot-pitches, and harmonic wave reduces also may command, finally makes motor can accomplish low electric and magnetic oscillation and low electromagnetic noise performance aspect electromagnetism.Simultaneously, because motor is also exchanged core moment from the electric machine structure aspect under low electric and magnetic oscillation and low electromagnetic noise state, stator cooperates with end cap, axle cooperates with bearing and to have carried out reasonably optimizing, and the low mechanical vibration performance of electric machine structure aspect reaches and hangs down the mechanicalness noise characteristic and can both finely bring into play.Because not only in the electromechanics configuration aspects but also accomplishing low vibration performance and low noise properties aspect the electromagnetism simultaneously, so this ventilation fan motor becomes a kind of low vibration truly, low noise motor.
Embodiment 2:
The utility model is a kind of BPT model pipeline used in air exchange fan single-phase capacitor operation asyn. motor, the iron core external diameter is D76mm, 4 utmost points, 16 grooves, rotor is 22 grooves, be to adopt traditional capacitances in series mode, promptly electric capacity is to be connected on the auxiliary winding before, and the input power supply is that voltage is 220V, power frequency is the AC power of 50Hz, is directly to be added on the main winding.No matter how this conventional motors is made great efforts optimal design for many years, consequently because the electromagnetic property aspect is difficult to accomplish perfect condition, so motor oscillating, noise can't fundamentally solve.But after replacing with this utility model, the electromagnetism aspect: the electromagnetic vibratory kinetic moment lowers, magnetic field circularity, negative sequence component and positive sequence component it, primary and secondary winding current phase angle, harmonic wave reduction etc. have the big improvement of essence.The electric machine structure aspect: owing to transfer core moment, stator cooperates with end cap and axle cooperates with bearing and also carried out reasonably optimizing, and the machinery of electric machine structure aspect hangs down and vibrates, and the low-noise machine performance has also been brought into play under the situation that the big improvement of essence is arranged aspect the electromagnetism.The utility model motor is compared with motor before, has not only fundamentally solved vibration, and noise problem is a kind of low vibration truly, the low noise motor, and also the electric efficiency aspect is also than motor power saving before about 15%.
Claims (1)
1. the control device of a used in air exchange fan single-phase capacitor operation asyn. motor, the main winding (1) and the auxiliary winding (2) that include input power supply (4) and be connected with power supply, it is characterized in that main winding (1) connects with auxiliary winding (2), main winding (1) is connected the two ends of importing power supply (4) with the series circuit that auxiliary winding (2) is formed, motor rotation and starting capacitance (3) are connected in parallel on the two ends of auxiliary winding (2), one end of motor rotation and starting capacitance (3) is connected with major-minor winding tie point (5), and the other end of motor rotation and starting capacitance (3) is connected with the other end of auxiliary winding (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202375514U CN201536342U (en) | 2009-10-20 | 2009-10-20 | Control device of single-phase capacitor running asynchronous motor for ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202375514U CN201536342U (en) | 2009-10-20 | 2009-10-20 | Control device of single-phase capacitor running asynchronous motor for ventilation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201536342U true CN201536342U (en) | 2010-07-28 |
Family
ID=42536116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202375514U Expired - Fee Related CN201536342U (en) | 2009-10-20 | 2009-10-20 | Control device of single-phase capacitor running asynchronous motor for ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201536342U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780344A (en) * | 2012-08-17 | 2012-11-14 | 张湘明 | Single-phase capacitor running asynchronous motor |
| CN104009566A (en) * | 2014-06-17 | 2014-08-27 | 珠海凯邦电机制造有限公司 | Wiring structure of single-phase capacitance running motor |
| CN104852666A (en) * | 2015-05-12 | 2015-08-19 | 嘉兴学院 | Control method for inhibiting single-phase capacitor run motor vibration noise |
| CN104863858A (en) * | 2015-04-13 | 2015-08-26 | 广东美芝制冷设备有限公司 | Compressor control system and electrical equipment |
-
2009
- 2009-10-20 CN CN2009202375514U patent/CN201536342U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780344A (en) * | 2012-08-17 | 2012-11-14 | 张湘明 | Single-phase capacitor running asynchronous motor |
| CN104009566A (en) * | 2014-06-17 | 2014-08-27 | 珠海凯邦电机制造有限公司 | Wiring structure of single-phase capacitance running motor |
| CN104863858A (en) * | 2015-04-13 | 2015-08-26 | 广东美芝制冷设备有限公司 | Compressor control system and electrical equipment |
| CN104852666A (en) * | 2015-05-12 | 2015-08-19 | 嘉兴学院 | Control method for inhibiting single-phase capacitor run motor vibration noise |
| CN104852666B (en) * | 2015-05-12 | 2017-08-11 | 嘉兴学院 | A kind of control method for suppressing single-phase capacitor operation motor vibration noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao Road, Shunde, Guangdong, Foshan, Penglai Patentee before: Midea Group |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |