CN201502547U - Direct current brushless air extracting pump with double wind wheels and large flow - Google Patents
Direct current brushless air extracting pump with double wind wheels and large flow Download PDFInfo
- Publication number
- CN201502547U CN201502547U CN2009201709310U CN200920170931U CN201502547U CN 201502547 U CN201502547 U CN 201502547U CN 2009201709310 U CN2009201709310 U CN 2009201709310U CN 200920170931 U CN200920170931 U CN 200920170931U CN 201502547 U CN201502547 U CN 201502547U
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- motor
- air extracting
- extracting pump
- brushless
- pump
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Abstract
The utility model discloses a direct current (DC) brushless air extracting pump with double wind wheels and large flow, comprising an air extracting pump and a brushless DC motor. The air extracting pump is integrally and coaxially connected with the brushless DC motor; the brushless DC motor is connected with a control circuit board and comprises a rotor as well as a stator and a winding which correspond to the rotor; the air extracting pump comprises a guide wheel and an impeller which is connected with the air extracting pump through clamp nuts. The DC brushless air extracting pump with double wind wheels and large flow, has high reliability, long service life, high energy efficiency, large air volume and high negative pressure, and has no electromagnetic pollution on environment.
Description
Technical field
The utility model is about a kind of extraction pump field, more particularly, and about a kind of direct-current brushless double wind wheel large-flow air pump.
Background technique
At present, be used to gather the sampling pump of atmospheric dust on the market, it mainly comprises exchanging brush motor of dust collector extraction pump and brushless AC motor extraction pump, and these two kinds of extraction pumps are the mode constant current constant speed collected specimens by speed governing all.Wherein:
1, brush motor of dust collector extraction pump is arranged, energy consumption height during operation, efficient is low, the brush sparking produces electromagnetic interference and pollution to surrounding environment, in the life-span short (less than 800h), the in service needs changed carbon brush, do not meet the requirement of building resource-conserving and friendly environment society.
2, the brushless AC motor extraction pump uses single wind wheel, and air quantity is little, and negative pressure is low, the rotating speed height, and the energy consumption height is lower than 9000h projected life.
The model utility content
In view of this, main purpose of the present utility model is to provide a kind of and has the reliability height, the life-span is long, efficiency is high, air quantity is big, negative pressure is high and can produce the direct-current brushless double wind wheel large-flow air pump of electromagnetic pollution to environment.
In order to achieve the above object, the technical solution of the utility model is achieved in that a kind of direct-current brushless double wind wheel large-flow air pump, include extraction pump and brshless DC motor, described extraction pump and machine integrated coaxial connection of described brushless dc, described brshless DC motor is connected with control circuit board, described brshless DC motor include rotor and with corresponding stator of described rotor and coil, described extraction pump includes inducer and impeller, and described impeller is connected with extraction pump by tightening nut.
Beneficial effect after the employing technique scheme is: direct-current brushless double wind wheel large-flow air pump of the present utility model, extraction pump adopts two wind wheel structures, be different from the pump head structure that on the market extraction pump adopts single wind wheel, can realize the integrated coaxial operation of motor and extraction pump.Because two wind wheel structure extraction pumps air quantity and negative pressure than single wind wheel extraction pump under identical power consumption is all high a lot, so two wind wheel structure extraction pump can be realized air quantity and the negative pressure identical with single wind wheel extraction pump under very low power consumption and rotating speed.Thereby less energy consumption, noise is low, rotating speed is low, has increased reliability greatly, more than the continuously-running 20000h.In addition, the brush DC adjustable speed motor is by 0-15V VDC control motor speed, and is safe and reliable, and brushless AC motor extraction pump on the market is by 0-220V alternating voltage control motor speed, has potential safety hazard.
Description of drawings
Fig. 1 is the cross-sectional view of direct-current brushless double wind wheel large-flow air pump in the utility model.
Wherein, 1 extraction pump, 2 brshless DC motors, 3 bearings, 4 control circuit boards, 5 rotors, 6 stators and coil, 7 inducers, 8 impellers, 9 tightening nuts.
Embodiment
Below in conjunction with accompanying drawing specific embodiment in the utility model is described in further detail.
As shown in Figure 1, direct-current brushless double wind wheel large-flow air pump of the present utility model, include extraction pump 1 and brshless DC motor 2, wherein, extraction pump 1 and 2 integrated coaxial connections of brshless DC motor, brshless DC motor 2 is connected with control circuit board 4, brshless DC motor 2 include rotor 5 and with rotor 5 corresponding stators and coil 6, extraction pump 1 includes inducer 7 and impeller 8, and impeller 8 is connected with extraction pump 1 by tightening nut 9.
In addition, direct-current brushless double wind wheel large-flow air pump of the present utility model can adopt bearing 3 to realize connecting as link.
Direct-current brushless double wind wheel large-flow air pump of the present utility model in use, because extraction pump 1 and 2 integrated coaxial connections of brshless DC motor, therefore brshless DC motor 2 directly drives extraction pump 1, after brshless DC motor 2 rotates, the air-flow that impeller 8 is discharged enters inducer 7, under the effect of inducer 7, the casing that makes air communication cross brshless DC motor 2 plays the effect of cooling.Simultaneously, the recovery section airflow kinetic energy is converted into the negative pressure energy, thereby has finished the working procedure of air extractor.
In the actual production, be applied in direct-current brushless double wind wheel large-flow air pump of the present utility model on the dust sampling instrument after, under the same conditions, have brush or the power during the brushless ac extraction pump to descend more than 50% than original use; Noise of instrument reduces 5dB (A) less than 60dB (A) than original noise; What dust sampler used on the market has brush or brushless ac extraction pump under nominal working conditions, maximum quantity of wind is lower than 3m3/min, and direct-current brushless double wind wheel large-flow air pump of the present utility model is when nominal working conditions move, and maximum quantity of wind can reach 4m3/min.When being used for the 100l/min sampling, can power with dc battery jar, this is inconvenient to connect the situation of ac power supply for field sampling, and using direct-current brushless double wind wheel large-flow air pump is best solution.If, will be that noise is minimum on the market with this direct-current brushless double wind wheel large-flow air pump exploitation vacuum cleaner, the product of power consumption minimum.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.
Claims (1)
1. direct-current brushless double wind wheel large-flow air pump, include extraction pump and brshless DC motor, it is characterized in that, described extraction pump and machine integrated coaxial connection of described brushless dc, described brshless DC motor is connected with control circuit board, described brshless DC motor include rotor and with corresponding stator of described rotor and coil, described extraction pump includes inducer and impeller, described impeller is connected with extraction pump by tightening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201709310U CN201502547U (en) | 2009-08-10 | 2009-08-10 | Direct current brushless air extracting pump with double wind wheels and large flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201709310U CN201502547U (en) | 2009-08-10 | 2009-08-10 | Direct current brushless air extracting pump with double wind wheels and large flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502547U true CN201502547U (en) | 2010-06-09 |
Family
ID=42453481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201709310U Expired - Lifetime CN201502547U (en) | 2009-08-10 | 2009-08-10 | Direct current brushless air extracting pump with double wind wheels and large flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697976A (en) * | 2020-12-18 | 2021-04-23 | 汉威科技集团股份有限公司 | Gas path flow real-time dynamic adjusting method, system and storage medium |
-
2009
- 2009-08-10 CN CN2009201709310U patent/CN201502547U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697976A (en) * | 2020-12-18 | 2021-04-23 | 汉威科技集团股份有限公司 | Gas path flow real-time dynamic adjusting method, system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |