CN202628424U - Vector pump with feedback sensor - Google Patents
Vector pump with feedback sensor Download PDFInfo
- Publication number
- CN202628424U CN202628424U CN2012201884294U CN201220188429U CN202628424U CN 202628424 U CN202628424 U CN 202628424U CN 2012201884294 U CN2012201884294 U CN 2012201884294U CN 201220188429 U CN201220188429 U CN 201220188429U CN 202628424 U CN202628424 U CN 202628424U
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- vector
- permanent magnet
- rare earth
- magnet synchronous
- earth permanent
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Abstract
The utility model relates to a vector pump with a feedback sensor. The vector pump comprises a water pump, a rare earth permanent magnet synchronous vector motor and a vector variable-frequency conversion controller, wherein the rare earth permanent magnet synchronous vector motor is arranged above the water pump; the vector variable-frequency conversion controller is arranged on the side face of the rare earth permanent magnet synchronous vector motor and comprises the feedback sensor; the feedback sensor consists of a sensor rotating part and a sensor fixing part; the sensor rotating part is arranged at a motor shaft end at the tail of the rare earth permanent magnet synchronous vector motor; and the sensor fixing part is fixed on a rear end cover of the rare earth permanent magnet synchronous vector motor. By the technical scheme, the feedback sensor can feed back speed of the rare earth permanent magnet synchronous vector motor and a relative position signal between a rotor and a stator to the vector variable-frequency conversion controller; the vector variable-frequency conversion controller makes an instant optimal running scheme, so that the rare earth permanent magnet synchronous vector motor can work under the optimal scheme at any time; the working efficiency is improved; and the comprehensive energy saving effect is obvious.
Description
Technical field
The utility model relates to a kind of vector pump, particularly relates to a kind of vector pump that has feedback transducer.
Background technique
The water pump industry all is to adopt traditional asynchronous machine to drive water pump at present; Asynchronous motor is to lean on the principle of electromagnetic induction the drive motor rotor rotation drives the water pump rotation through producing rotating magnetic field, and efficient is lower, and the motor peak efficiency is no more than 86%; Efficient is running under the state at 60-75% when the frequency conversion operating mode; Waste of energy is serious, so water supply equipment keeps constant voltage all with variable frequency water supply because of needs, the fallback meeting has caused huge waste of energy.
The vector pump is incorporated into the water pump industry to rare-earth permanent-magnet electric machine first, the magnetic field of the rotor portion of rare-earth permanent-magnet electric machine, magnetic field of permanent magnet; This structural design makes that rare-earth permanent-magnet electric machine is most effective and reaches 96%, the most important thing is to have wide and flat efficiency characteristic in efficient district, and efficient is at 94-96% during the running of vector pump power frequency; Raise the efficiency 5%-10%; Efficient is still moved at 90-92% under the frequency conversion operating mode, about synthesis energy saving 20-30%, and obvious energy conservation.
China's water supply equipment mostly is a frequency-changing water supply device; Thereby this frequency-changing water supply device can be regulated motor speed control of pump flow through the frequency conversion mode; But the conventional asynchronous motor can't be accomplished accurately location and reflection fast, and the speed of pump motor rotor and position signals can not get with machine monitoring and feedback, thus the Optimum Matching can't realize moving under the different operating modes of water pump the time; Water pump still departs from the operation of efficient district, causes the significant wastage of electric energy.
Summary of the invention
In view of this; The main purpose of the utility model is to provide a kind of vector pump that has feedback transducer; Through the present technique scheme; The speed and the position signals of vector pump motor rotor are obtained with machine monitoring and feedback, and the optimal case when making operation under the different operating modes of vector pump through frequency variator again is to reach the optimum efficiency under the different situations.
In order to achieve the above object; The technological scheme of the utility model is achieved in that a kind of vector pump that has feedback transducer; Include water pump, rare earth permanent magnet synchronous vector motor and vector converter controller; Said rare earth permanent magnet synchronous vector motor is arranged on the top of water pump; The vector converter controller is arranged on the side of rare earth permanent magnet synchronous vector motor, includes feedback transducer, and said feedback transducer is made up of sensor rotating part and sensor fixed part; Said sensor rotating part is installed on the motor shaft end of rare earth permanent magnet synchronous vector motor afterbody, and said sensor fixed part is fixed on rare earth permanent magnet synchronous vector motor rear end and covers.
The end face of the motor shaft of said rare earth permanent magnet synchronous vector motor afterbody is provided with rotary shaft hole; Be provided with at the rotary shaft hole internal fixation and inlay little axle; Said sensor rotating part and rare earth permanent magnet synchronous vector motor ventilating fan are fixedly set in successively to be inlayed on the little axle; Said sensor fixed part is arranged on the outside of rotor sensor, and is fixed on rare earth permanent magnet synchronous vector motor rear end and covers.
Said rare earth permanent magnet synchronous vector back end cover for motor is provided with more than one pressing plate, and said pressing plate is the Z type, and the lower end of pressing plate is fixed on rare earth permanent magnet synchronous vector motor rear end and covers, and the last end hook of pressing plate is pressed on the upper-end surface of sensor fixed part.
Said inlaying on the little axle is set with the fan mosaic set, and the end of inlaying little axle is provided with binding thread, and said rare earth permanent magnet synchronous vector motor ventilating fan is fixed on the fan mosaic set, is installed with tightening nut on the said binding thread.
Said sensor fixed part is provided with information and sends lead, and said information is sent lead and is connected with the vector converter controller.
Beneficial effect after the employing technique scheme is: a kind of vector pump that has feedback transducer; Through the present technique scheme; Feedback transducer can be synchronously with the speed of rare earth permanent magnet synchronous vector motor and position signals obtain with machine monitoring with feed back to the vector converter controller; Optimal case when making operation under the different operating modes of vector pump through the vector converter controller again makes the vector pump can under optimal scheme, carry out work constantly, has not only improved effect; And the synthesis energy saving effect is obvious, and feedback transducer installs additional convenient and reliable.
Description of drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the sensor installation diagram in the utility model.
Among the figure, 1 feedback transducer, 2 rare earth permanent magnet synchronous vector motors, 3 vector converter controllers, 4 water pumps, 5 rear end covers, 6 rare earth permanent magnet synchronous vector motor ventilating fans, 7. motor shaft 8 binding threads 9 are inlayed little axle 10 sensor fixed parts 11 sensor rotating parts, 12. pressing plates, 13 fan mosaic sets, 14 tightening nuts, 15 rotary shaft holes, 16 information and are sent lead.
Embodiment
To combine accompanying drawing that specific embodiment among the present invention is done further explain below.
As shown in Figure 1; The vector pump that has feedback transducer that the utility model relates to; Include water pump 4, rare earth permanent magnet synchronous vector motor 2 and vector converter controller 3, said rare earth permanent magnet synchronous vector motor 2 is arranged on the top of water pump 4, and vector converter controller 3 is arranged on the side of rare earth permanent magnet synchronous vector motor 2; Include feedback transducer 1; Said feedback transducer 1 is made up of sensor rotating part 11 and sensor fixed part 10, and said sensor rotating part 11 is installed on motor shaft 7 ends of rare earth permanent magnet synchronous vector motor 2 afterbodys, and said sensor fixed part 10 is fixed on rare earth permanent magnet synchronous vector motor 2 rear end covers 5.
The end face of the motor shaft 7 of said rare earth permanent magnet synchronous vector motor 2 afterbodys is provided with rotary shaft hole 15; Be provided with at rotary shaft hole 15 internal fixation and inlay little axle 9; Said sensor rotating part 11 is fixedly set in rare earth permanent magnet synchronous vector motor ventilating fan 6 successively to be inlayed on the little axle 9; Said sensor fixed part 10 is arranged on the outside of sensor rotating part 11, and is fixed on the rear end cover 5 of rare earth permanent magnet synchronous vector motor 2.
Among the embodiment in the utility model; Include and inlay little axle 9, rotor sensor 11 and sensor stator 10; The end face of the motor shaft 7 of said rare earth permanent magnet synchronous vector motor 2 afterbodys is provided with rotary shaft hole 15, and the said little axle 9 of inlaying is fixed in the rotary shaft hole 15, and said rotor sensor 11 is fixedly set in motor ventilating fan 6 successively to be inlayed on the little axle 9; Said sensor stator 10 is arranged on the outside of rotor sensor 11, and is fixed on rare earth permanent magnet synchronous vector motor 2 rear end covers 5.
The rear end cover 5 of said rare earth permanent magnet synchronous vector motor 2 is provided with more than one pressing plate 12; Said pressing plate 12 is the Z type; The lower end of pressing plate 12 is fixed on the rear end cover 5 of rare earth permanent magnet synchronous vector motor 2, and the last end hook of pressing plate 12 is pressed on the upper-end surface of sensor fixed part 10.
Said inlaying on the little axle 9 is set with fan mosaic set 13, and the end of inlaying little axle 9 is provided with binding thread 8, and said rare earth permanent magnet synchronous vector motor ventilating fan 6 is fixed on the fan mosaic set 13, is installed with tightening nut 14 on the said binding thread 8.
Said sensor fixed part 10 is provided with information and sends lead 16, and said information is sent lead 16 and is connected with vector converter controller 3.
In the utility model, said sensor fixed part 10 and sensor rotating part 11 can be through multiple mode Information Monitorings such as light or magnetic, and send lead 16 through information and be delivered in the vector converter controller 3 and handle.
The type of said feedback transducer 1 can be sine and cosine type, UVW type, rotary transformer or Hall magnetic coder and other type.
The above is merely the preferable possible embodiments of model utility, is not in order to limit scope of the present invention.
Claims (5)
1. vector pump that has feedback transducer; Include water pump, rare earth permanent magnet synchronous vector motor and vector converter controller; Said rare earth permanent magnet synchronous vector motor is arranged on the top of water pump, and the vector converter controller is arranged on the side of rare earth permanent magnet synchronous vector motor, it is characterized in that; Include feedback transducer; Said feedback transducer is made up of sensor rotating part and sensor fixed part, and said sensor rotating part is installed on the motor shaft end of rare earth permanent magnet synchronous vector motor afterbody, and said sensor fixed part is fixed on rare earth permanent magnet synchronous vector motor rear end and covers.
2. the vector pump that has feedback transducer according to claim 1; It is characterized in that; The end face of the motor shaft of said rare earth permanent magnet synchronous vector motor afterbody is provided with rotary shaft hole, is provided with at the rotary shaft hole internal fixation and inlays little axle, and said sensor rotating part and rare earth permanent magnet synchronous vector motor ventilating fan are fixedly set in successively to be inlayed on the little axle; Said sensor fixed part is arranged on the outside of rotor sensor, and is fixed on rare earth permanent magnet synchronous vector motor rear end and covers.
3. the vector pump that has feedback transducer according to claim 2; It is characterized in that; Said rare earth permanent magnet synchronous vector back end cover for motor is provided with more than one pressing plate; Said pressing plate is the Z type, and the lower end of pressing plate is fixed on rare earth permanent magnet synchronous vector motor rear end and covers, and the last end hook of pressing plate is pressed on the upper-end surface of sensor fixed part.
4. the vector pump that has feedback transducer according to claim 2; It is characterized in that; Said inlaying on the little axle is set with the fan mosaic set; The end of inlaying little axle is provided with binding thread, and said rare earth permanent magnet synchronous vector motor ventilating fan is fixed on the fan mosaic set, is installed with tightening nut on the said binding thread.
5. the vector pump that has feedback transducer according to claim 1 and 2 is characterized in that, said sensor fixed part is provided with information and sends lead, and said information is sent lead and is connected with the vector converter controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884294U CN202628424U (en) | 2012-04-28 | 2012-04-28 | Vector pump with feedback sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884294U CN202628424U (en) | 2012-04-28 | 2012-04-28 | Vector pump with feedback sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628424U true CN202628424U (en) | 2012-12-26 |
Family
ID=47381631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201884294U Expired - Lifetime CN202628424U (en) | 2012-04-28 | 2012-04-28 | Vector pump with feedback sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331967A (en) * | 2019-06-11 | 2019-10-15 | 中国石油天然气股份有限公司 | Control and protection system and method for on-load starting of high-pressure water injection pump |
-
2012
- 2012-04-28 CN CN2012201884294U patent/CN202628424U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331967A (en) * | 2019-06-11 | 2019-10-15 | 中国石油天然气股份有限公司 | Control and protection system and method for on-load starting of high-pressure water injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU WODE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU WODE WATER PUMP MANUFACTURE CO., LTD. Effective date: 20130724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130724 Address after: Yuhang District of Hangzhou City Renhe Zhen Dong Tang Hong Jia she, Zhejiang province 311107 No. 27 Patentee after: Hangzhou Ward Technology Co., Ltd. Address before: Yuhang Renhe Town Village Hangzhou city Zhejiang province 311107 hung House No. 27 Patentee before: Hangzhou Wode Water Pump Manufacture Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160317 Address after: 201806 Shanghai City, Jiading District Heng Road, Lane 2, No. 1, B District, layer 518 Patentee after: WPG (SHANGHAI) SMART WATER PUBLIC CO., LTD. Address before: Yuhang District of Hangzhou City Renhe Zhen Dong Tang Hong Jia she, Zhejiang province 311107 No. 27 Patentee before: Hangzhou Ward Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 201806 Jiading District Road, Shanghai, No. 1 Patentee after: WPG (SHANGHAI) SMART WATER PUBLIC CO., LTD. Address before: 201806 Shanghai City, Jiading District Heng Road, Lane 2, No. 1, B District, layer 518 Patentee before: WPG (SHANGHAI) SMART WATER PUBLIC CO., LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |