CN204126955U - Active Noise Control blower fan - Google Patents
Active Noise Control blower fan Download PDFInfo
- Publication number
- CN204126955U CN204126955U CN201420548592.6U CN201420548592U CN204126955U CN 204126955 U CN204126955 U CN 204126955U CN 201420548592 U CN201420548592 U CN 201420548592U CN 204126955 U CN204126955 U CN 204126955U
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- CN
- China
- Prior art keywords
- impeller
- blower fan
- active noise
- noise control
- driving mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to field of fluid machinery, disclose a kind of Active Noise Control blower fan, this blower fan comprises power plant, driving mechanism and even number impeller, the blade stagger of adjacent two impellers is arranged, and the neutral position of the blade of one of them impeller two blades adjacent with another impeller is relative, impeller described in even number is connected by driving mechanism and carries out synchronous axial system by same power plant driving, the adjacent sound wave of two impellers and the crest of vibration wave and trough is made to meet thus, farthest balance out noise and the vibration of blower fan, improve comfort, and mechanical movement is stablized, greatly reduce equipment failure rate.This Active Noise Control blower fan structure is simple, is applicable to batch production, is specially adapted to air-conditioning, heat pump water heater.
Description
Technical field
The utility model relates to field of fluid machinery, particularly relates to a kind of Active Noise Control blower fan.
Background technique
The machineries such as mine ventilation, building ventilation, air-conditioning make the field of gas flow, many times all will use multiple impeller and carry out the blower fan used in parallel.Multiple impeller parallel connection uses and can obtain larger air quantity, in existing blower fan, each impeller is connected with a motor respectively and works alone, make between multiple impeller, to occur " tacking " phenomenon each other, produce larger noise and vibration, user is made to feel uncomfortable, and making mechanical efficiency reduction, fluctuation of service, rate of fault is higher.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model how to reduce the noise produced in use of the blower fan with multiple impeller and vibration.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of Active Noise Control blower fan, it comprises power plant, driving mechanism and even number impeller, the blade stagger of adjacent two impellers is arranged, and the neutral position of the blade of one of them impeller two blades adjacent with another impeller is relative, impeller described in even number is connected by driving mechanism and is driven by same power plant and carries out synchronous axial system.
In above-mentioned Active Noise Control blower fan, described impeller is axial flow, and described in even number, impeller is located in same plane.
In above-mentioned Active Noise Control blower fan, described impeller is centrifugal, and impeller described in even number is located on same axis.
In above-mentioned Active Noise Control blower fan, the material of impeller described in even number, structure and measure-alike.
In above-mentioned Active Noise Control blower fan, described driving mechanism comprises synchronizing wheel and Timing Belt, the wheel disc of each described impeller is connected with a synchronizing wheel respectively by rotating shaft, and described synchronizing wheel is connected by Timing Belt, and described power plant are connected with the rotating shaft of one of them impeller.
In above-mentioned Active Noise Control blower fan, the fan tooth that described driving mechanism comprises rotating shaft, is axially located at the multiple conical tooth in described rotating shaft and is meshed with described conical tooth, the central vertical of described fan tooth is in rotating shaft, and described fan tooth is connected with the wheel disc of impeller by central shaft.
In above-mentioned Active Noise Control blower fan, described driving mechanism is transmission shaft, and the wheel disc of impeller described in even number is connected by described transmission shaft.
In above-mentioned Active Noise Control blower fan, described blower fan also comprises shell, and the inside of described shell is located at by described driving mechanism.
(3) beneficial effect
A kind of Active Noise Control blower fan that technique scheme provides, it comprises power plant, driving mechanism and even number impeller, the blade stagger of adjacent two impellers is adopted to arrange, and the blade of one of them impeller is located at the neutral position of two adjacent blades of another impeller, and even number impeller synchronous axial system, the adjacent sound wave of two impellers and the crest of vibration wave and trough is made to meet thus, farthest balance out noise and the vibration of blower fan, improve comfort, and mechanical movement is stablized, greatly reduce equipment failure rate.This Active Noise Control blower fan structure is simple, is applicable to batch production, is specially adapted to air-conditioning, heat pump water heater.
Accompanying drawing explanation
Fig. 1 is the plan view of the Active Noise Control blower fan of the utility model embodiment one;
Fig. 2 is the plan view of the Active Noise Control blower fan of the utility model embodiment one;
Fig. 3 is the plan view of the Active Noise Control blower fan of the utility model embodiment two.
Wherein, 1, driving mechanism; 11, synchronizing wheel; 12, Timing Belt; 13, rotating shaft; 14, shell; 2, impeller; 21, blade; 22, wheel disc; 3, power plant.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment one
As shown in Figure 1, a kind of Active Noise Control blower fan of the utility model embodiment, it comprises power plant 3, driving mechanism 1 and even number impeller 2, adjacent two impellers 2 are crisscross arranged, and the neutral position of the blade of one of them impeller 2 two blades adjacent with another impeller 2 is relative, even number impeller 2 is connected by driving mechanism 1 and is driven to carry out synchronous axial system by same power plant 3, Active Noise Control technology, cancel out each other according to two sound wave destructive interference or auxiliary the penetrating of sound wave, thus reach the object reducing noise, the impeller 2 of the present embodiment is axial flow, even number impeller is located in same plane, driving mechanism 1 thereby produces the sound wave and vibration wave of cancelling out each other, the crest of one of them impeller and the trough of another impeller are met, farthest offset noise and the vibration of adjacent two impellers, make user's fundamental sensation less than sound of the wind, improve the comfort level of user, even number impeller connects to carry out synchronous axial system by driving mechanism, to ensure that all in the course of the work impeller of blower fan keeps being synchronized with the movement, is consistent, and then guarantees erasure effect with the angle of the blade guaranteeing adjacent fan-wheel.Wherein, even number impeller 2 can be matrix, strip, square or circular distribution.
Preferably, the material of the even number impeller 2 of the present embodiment, structure and measure-alike, the noise that each impeller is produced is the same with vibration, therefore has the same sound wave and vibration wave, to guarantee that the noise produced due to wheel rotation in blower fan work is cancelled completely with vibration.
The driving mechanism 1 of the present embodiment can for make multiple impeller 2 carry out the mechanism of synchronous axial system arbitrarily, in order to simplified structure and minimizing cost, preferably, as shown in Figure 2, the driving mechanism 1 of the present embodiment comprises synchronizing wheel 11 and Timing Belt 12, the wheel disc 22 of each impeller 2 is connected with a synchronizing wheel respectively by rotating shaft 13, and all synchronizing wheels 11 are linked together by Timing Belt 12, and power plant 3 are connected with the rotating shaft 13 of one of them impeller.In addition, driving mechanism 1 can also adopt axle to join the driving mechanism of fan tooth and conical tooth, be specially: the fan tooth that this driving mechanism 1 comprises rotating shaft, is axially located at the multiple conical tooth in rotating shaft and is meshed with conical tooth, the central vertical of fan tooth is in rotating shaft, and fan tooth is connected with the wheel disc of impeller by central shaft.Because Timing Belt 12 and synchronizing wheel 11 operationally can cutting gas, can noise be produced thus, therefore, shell 14 should be also set on driving mechanism 1, and Timing Belt 12 and synchronizing wheel 11 are all located in this shell 14.
All impellers 2 can adopt power plant 3 to drive, or multiple impeller 2 adopts power plant 3 to drive, and in order to simplify the structure of power plant 3, and reduces the load of power plant 3, also can be that power plant 3 drive several impeller.As shown in Figure 1, the present embodiment drives two impellers 2 for preferred embodiment with a driving mechanism 1, driving mechanism 1 is provided with two synchronizing wheels 11, each synchronizing wheel 11 is connected with the wheel disc 22 of an impeller 2 respectively by rotating shaft 13, and power plant 3 are connected with a wherein rotating shaft 13, adopt power plant 3 that two impellers 2 can be driven to carry out synchronous axial system simultaneously.The power plant 3 of the present embodiment can be machine power, are preferably motor.
Embodiment two
The difference of the present embodiment and embodiment one is, the impeller 2 of the present embodiment is centrifugal, as shown in Figure 3, the centrifugal impeller 2 of even number is located on same axis, adjacent two impellers 2 are crisscross arranged, and the neutral position of the blade of one of them impeller 2 two blades adjacent with another impeller 2 is relative, even number impeller 2 is connected by driving mechanism 1 and is driven to carry out synchronous axial system by same power plant 3.Correspondingly, the driving mechanism 1 of the present embodiment is transmission shaft, and the wheel disc of even number impeller 2 is connected by this transmission shaft, and power plant 3 are connected with transmission shaft for driving drive axis, to drive even number impeller 2 synchronous axial system.
To sum up, Active Noise Control blower fan of the present utility model, its structure is simple, be applicable to batch production, be specially adapted to air-conditioning, heat pump water heater, the blade stagger of adjacent two impellers is adopted to arrange, and the blade of one of them impeller is located at the neutral position of two adjacent blades of another impeller, the adjacent sound wave of two impellers and the crest of vibration wave and trough is made to meet thus, farthest balance out noise and the vibration of blower fan, improve comfort, and mechanical movement is stablized, greatly reduce equipment failure rate.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (8)
1. an Active Noise Control blower fan, it is characterized in that, comprise power plant, driving mechanism and even number impeller, the blade stagger of adjacent two impellers is arranged, and the neutral position of the blade of one of them impeller two blades adjacent with another impeller is relative, impeller described in even number is connected by driving mechanism and is driven by same power plant and carries out synchronous axial system.
2. Active Noise Control blower fan as claimed in claim 1, it is characterized in that, described impeller is axial flow, and described in even number, impeller is located in same plane.
3. Active Noise Control blower fan as claimed in claim 1, it is characterized in that, described impeller is centrifugal, and impeller described in even number is located on same axis.
4. Active Noise Control blower fan as claimed in claim 1, is characterized in that, the material of impeller described in even number, structure and measure-alike.
5. Active Noise Control blower fan as claimed in claim 2, it is characterized in that, described driving mechanism comprises synchronizing wheel and Timing Belt, the wheel disc of each described impeller is connected with a synchronizing wheel respectively by rotating shaft, described synchronizing wheel is connected by Timing Belt, and described power plant are connected with the rotating shaft of one of them impeller.
6. Active Noise Control blower fan as claimed in claim 2, it is characterized in that, the fan tooth that described driving mechanism comprises rotating shaft, is axially located at the multiple conical tooth in described rotating shaft and is meshed with described conical tooth, the central vertical of described fan tooth is in rotating shaft, and described fan tooth is connected with the wheel disc of impeller by central shaft.
7. Active Noise Control blower fan as claimed in claim 3, it is characterized in that, described driving mechanism is transmission shaft, and the wheel disc of impeller described in even number is connected by described transmission shaft.
8. Active Noise Control blower fan as claimed in claim 1, it is characterized in that, described blower fan also comprises shell, and the inside of described shell is located at by described driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548592.6U CN204126955U (en) | 2014-09-23 | 2014-09-23 | Active Noise Control blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548592.6U CN204126955U (en) | 2014-09-23 | 2014-09-23 | Active Noise Control blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126955U true CN204126955U (en) | 2015-01-28 |
Family
ID=52383314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548592.6U Expired - Fee Related CN204126955U (en) | 2014-09-23 | 2014-09-23 | Active Noise Control blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737275A (en) * | 2016-02-19 | 2016-07-06 | 青岛海尔空调器有限总公司 | Fan assembly and air conditioner |
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
-
2014
- 2014-09-23 CN CN201420548592.6U patent/CN204126955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737275A (en) * | 2016-02-19 | 2016-07-06 | 青岛海尔空调器有限总公司 | Fan assembly and air conditioner |
| CN105737275B (en) * | 2016-02-19 | 2019-12-06 | 青岛海尔空调器有限总公司 | Fan assembly and air conditioner |
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |