CN207526741U - A kind of aerofoil fan active noise control device - Google Patents
A kind of aerofoil fan active noise control device Download PDFInfo
- Publication number
- CN207526741U CN207526741U CN201721674008.1U CN201721674008U CN207526741U CN 207526741 U CN207526741 U CN 207526741U CN 201721674008 U CN201721674008 U CN 201721674008U CN 207526741 U CN207526741 U CN 207526741U
- Authority
- CN
- China
- Prior art keywords
- microcontroller
- motor
- oil box
- fixedly connected
- humidity sensor
- Prior art date
- 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.)
- Expired - Fee Related
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- 238000005461 lubrication Methods 0.000 claims abstract description 24
- 241000883990 Flabellum Species 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 abstract description 54
- 239000010687 lubricating oil Substances 0.000 abstract description 20
- 230000032683 aging Effects 0.000 abstract description 8
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005130 electrotropism Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of aerofoil fan active noise control devices, including shell, connecting rod are fixedly connected at the top of the outer casing inner wall, motor has been bolted in the bottom of the connecting rod, and the shaft of the motor is installed with flabellum；Lubrication oil box has been bolted at the top of motor, battery is fixedly connected on lubrication oil box, the position for lubricating the bottom of oil box and corresponding shaft is communicated with oil dripping tube, solenoid valve is provided on oil dripping tube, the shaft surface of motor is fixedly connected with humidity sensor, bottom on the left of motor is fixedly connected with microcontroller, microcontroller and humidity sensor, solenoid valve electrical connection.The aerofoil fan active noise control device is by lubricating oil box, battery, oil dripping tube, solenoid valve, humidity sensor and the cooperation of microcontroller, it solves ageing equipment and lubricating oil is inadequate, the problem of bearing friction and vibration is caused to generate larger noise, the use demand of user can not be met.
Description
Technical field
The utility model is related to technical field of electronic equipment, specially a kind of aerofoil fan active noise control device.
Background technology
Aerofoil fan is widely used in the heat dissipation of electronic equipment, is the main source of electrical device noise.Research shows that axis
The noise of flow fan is mainly made of three parts：The friction of bearing is with vibrating the noise generated, fan blade vibrates making an uproar for generation
The noise that the friction of sound and blade and air generates.Aerofoil fan in use for some time, produce by friction and the vibration of bearing
Raw noise is occupied an leading position, and mainly ageing equipment and lubricating oil is inadequate, and bearing friction and vibration is caused to generate larger make an uproar
Sound with traditional passive noise reduction mode, can occupy very big space, noise reduction cost is very high or even can reduce heat dissipation effect, simultaneously
When fan noise characteristic changes because of other reasons, noise reduction can substantially reduce, and environmental suitability is too poor.Chinese invention
A kind of aerofoil fan active noise control device is proposed in patent CN105298933A, the patent of invention is complicated, cost
It is relatively high, suitable for precision instrument, it is not suitable for domestic fan, and ageing equipment can not be solved and lubricating oil is inadequate, causes
Bearing friction and vibration generate larger noise, can not meet the use demand of user, for this purpose, it is proposed that a kind of aerofoil fan
Active noise control device.
Utility model content
The purpose of this utility model is to provide a kind of aerofoil fan active noise control devices, have according to bearing situation
Automatically oiling is carried out, the advantages of so as to reduce noise, ageing equipment is solved and lubricating oil is inadequate, lead to bearing friction and vibration
The problem of generating larger noise, the use demand of user can not be met.
To achieve the above object, the utility model provides following technical solution：A kind of aerofoil fan active noise controlling dress
It puts, including shell, connecting rod is fixedly connected at the top of the outer casing inner wall, the bottom of the connecting rod has been bolted
Motor is installed with flabellum in the shaft of the motor；Lubrication oil box has been bolted at the top of the motor, it is described
Battery is fixedly connected on lubrication oil box, the bottom of the lubrication oil box and position of corresponding shaft is communicated with oil dripping tube, institute
It states and solenoid valve is provided on oil dripping tube, the shaft surface of the motor is fixedly connected with humidity sensor, on the left of the motor
Bottom is fixedly connected with microcontroller；The output terminal of the humidity sensor and the input terminal of microcontroller are unidirectionally electrically connected, described
The output terminal of microcontroller and the input terminal of solenoid valve are unidirectionally electrically connected, the input terminal of the microcontroller and the output terminal list of battery
Electrotropism connects.
Preferably, the surface of the lubrication oil box is provided with liquid level gauge, the output terminal of the liquid level gauge and microcontroller it is defeated
Enter the unidirectional electric connection in end.
Preferably, the left side of the motor and alarm, the monolithic has been bolted at the top of the microcontroller
The output terminal of machine and the input terminal of alarm are unidirectionally electrically connected.
Preferably, the screw top of the lubrication oil box is connected with removable cover, and the bottom of the shell is welded with fixed block,
The surface of the fixed block offers limit hole.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, for the utility model by being provided with lubrication oil box, it can be shaft by oil dripping tube to lubricate the lubricating oil in oil box
It oils, by being provided with humidity sensor so that humidity sensor can be rotated with shaft, so as to whether detect shaft surface
It is dry, if needs oil, and when humidity sensor detects shaft dry tack free, open solenoid valve by microcontroller, pass through
Oil dripping tube oils for shaft, after reaching certain humidity, closes solenoid valve, can be microcontroller, solenoid valve by being provided with battery
Electric energy is provided, by lubricating oil box, battery, oil dripping tube, solenoid valve, humidity sensor and the cooperation of microcontroller, solves equipment
Aging and lubricating oil are inadequate, bearing friction and vibration is caused to generate larger noise, and the use demand that can not meet user is asked
Topic.
2nd, the utility model can detect the remaining oil amount in lubrication oil box, so as to control by being provided with liquid level gauge
The each upper oil mass of system, by being provided with alarm, when lubricating the lubrication shortage of oil in oil box, police is sent out by alarm
Report prompts user to add lubricating oil, by being provided with removable cover, user is facilitated to add lubricating oil, by be provided with fixed block and
Limit hole facilitates user that shell is fixed.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model right view；
Fig. 3 is Tthe utility model system schematic diagram.
In figure：1 shell, 2 connecting rods, 3 motors, 4 shafts, 5 flabellums, 6 lubrication oil boxs, 7 batteries, 8 oil dripping tubes, 9 electromagnetism
Valve, 10 humidity sensors, 11 microcontrollers, 12 liquid level gauges, 13 alarms, 14 removable covers, 15 fixed blocks, 16 limit holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of aerofoil fan active noise control device, including shell 1, the top of 1 inner wall of shell is consolidated
Surely connecting rod 2 is connected with, the bottom of connecting rod 2 has been bolted motor 3, flabellum is installed in 3 shaft 4 of motor
5；
Lubrication oil box 6 has been bolted in the top of motor 3, is fixedly connected with battery 7 on lubrication oil box 6, lubricates
The bottom of the oil box 6 and position of corresponding shaft 4 is communicated with oil dripping tube 8, is provided with solenoid valve 9, the shaft 4 of motor 3 on oil dripping tube 8
Surface is fixedly connected with humidity sensor 10, and the bottom in 3 left side of motor is fixedly connected with microcontroller 11；
The output terminal of humidity sensor 10 and the input terminal of microcontroller 11 are unidirectionally electrically connected, the output terminal of microcontroller 11
It is unidirectionally electrically connected with the input terminal of solenoid valve 9, the input terminal of microcontroller 11 is unidirectionally electrically connected with the output terminal of battery 7.
The surface of lubrication oil box 6 is provided with liquid level gauge 12, and the input terminal of the output terminal and microcontroller 11 of liquid level gauge 12 is unidirectional
It is electrically connected, by being provided with liquid level gauge 12, the remaining oil amount in lubrication oil box 6 can be detected, it is each so as to control
Upper oil mass.
The left side of motor 3 and alarm 13, the output of microcontroller 11 is bolted positioned at the top of microcontroller 11
End and the input terminal of alarm 13 are unidirectionally electrically connected, by being provided with alarm 13, when lubricating the lubrication shortage of oil in oil box 6
When, alarm is sent out by alarm 13, user is prompted to add lubricating oil.
The screw top of lubrication oil box 6 is connected with removable cover 14, and the bottom of shell 1 is welded with fixed block 15, fixed block 15
Surface offer limit hole 16, by being provided with removable cover 14, user is facilitated to add lubricating oil, by being provided with fixed block 15
With limit hole 16, facilitate user that shell 1 is fixed, by being provided with lubrication oil box 6, the lubricating oil lubricated in oil box 6 can
To be oiled by oil dripping tube 8 for shaft 4, by being provided with humidity sensor 10, humidity sensor 10 uses wireless humidity sensor
Device 10 so that humidity sensor 10 can be rotated with shaft 4, so as to detect whether 4 surface of shaft is dried, if on needs
Oil when humidity sensor 10 detects 4 dry tack free of shaft, opens solenoid valve 9 by microcontroller 11, is by oil dripping tube 8
Shaft 4 oils, and after reaching certain humidity, closes solenoid valve 9, by being provided with battery 7, can be carried for microcontroller 11, solenoid valve 9
For electric energy, by lubricating oil box 6, battery 7, oil dripping tube 8, solenoid valve 9, humidity sensor 10 and the cooperation of microcontroller 11, solve
Ageing equipment and lubricating oil are inadequate, and bearing friction and vibration is caused to generate larger noise, can not meet the use need of user
The problem of asking.
In use, the lubricating oil in lubrication oil box 6 can be oiled by oil dripping tube 8 for shaft 4, passed by being provided with humidity
Sensor 10 so that humidity sensor 10 can be rotated with shaft 4, so as to detect whether 4 surface of shaft is dried, if on needs
Oil when humidity sensor 10 detects 4 dry tack free of shaft, opens solenoid valve 9 by microcontroller 11, is by oil dripping tube 8
Shaft 4 oils, and after reaching certain humidity, closes solenoid valve 9, by being provided with battery 7, can be carried for microcontroller 11, solenoid valve 9
For electric energy, by lubricating oil box 6, battery 7, oil dripping tube 8, solenoid valve 9, humidity sensor 10 and the cooperation of microcontroller 11, solve
Ageing equipment and lubricating oil are inadequate, and bearing friction and vibration is caused to generate larger noise, can not meet the use need of user
The problem of asking.
Alternatively situation, the humidity sensor 10 are wireless humidity sensors 10, at this time humidity sensor 10
With microcontroller wireless connection.
In summary：The aerofoil fan active noise control device passes through shell 1, connecting rod 2, motor 3, shaft 4, fan
Leaf 5, the cooperation for lubricating oil box 6, battery 7, oil dripping tube 8, solenoid valve 9, humidity sensor 10 and microcontroller 11, solve equipment
Aging and lubricating oil are inadequate, bearing friction and vibration is caused to generate larger noise, and the use demand that can not meet user is asked
Topic.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of aerofoil fan active noise control device, including shell (1), it is characterised in that：The top of shell (1) inner wall
Portion is fixedly connected with connecting rod (2), and motor (3) has been bolted in the bottom of the connecting rod (2), the motor (3)
Flabellum (5) is installed in shaft (4)；
Lubrication oil box (6) has been bolted at the top of the motor (3), has been fixedly connected on the lubrication oil box (6)
The position of battery (7), the bottom of the lubrication oil box (6) and corresponding shaft (4) is communicated with oil dripping tube (8), the oil dripping tube (8)
On be provided with solenoid valve (9), shaft (4) surface of the motor (3) is fixedly connected with humidity sensor (10), the motor
(3) bottom on the left of is fixedly connected with microcontroller (11)；
The input terminal of the output terminal and microcontroller (11) of the humidity sensor (10) is unidirectionally electrically connected, the microcontroller (11)
The input terminal of output terminal and solenoid valve (9) be unidirectionally electrically connected, the input terminal of the microcontroller (11) and the output of battery (7)
End is unidirectional to be electrically connected.
2. a kind of aerofoil fan active noise control device according to claim 1, it is characterised in that：The lubrication oil box
(6) surface is provided with liquid level gauge (12), and the input terminal of the output terminal and microcontroller (11) of the liquid level gauge (12) is unidirectionally electrical
Connection.
3. a kind of aerofoil fan active noise control device according to claim 1, it is characterised in that：The motor (3)
Left side and alarm (13) has been bolted at the top of the microcontroller (11), the output terminal of the microcontroller (11) with
The input terminal of alarm (13) is unidirectionally electrically connected.
4. a kind of aerofoil fan active noise control device according to claim 1, it is characterised in that：The lubrication oil box
(6) screw top is connected with removable cover (14), and the bottom of the shell (1) is welded with fixed block (15), the fixed block
(15) surface offers limit hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674008.1U CN207526741U (en) | 2017-12-05 | 2017-12-05 | A kind of aerofoil fan active noise control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674008.1U CN207526741U (en) | 2017-12-05 | 2017-12-05 | A kind of aerofoil fan active noise control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526741U true CN207526741U (en) | 2018-06-22 |
Family
ID=62577669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721674008.1U Expired - Fee Related CN207526741U (en) | 2017-12-05 | 2017-12-05 | A kind of aerofoil fan active noise control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162937A (en) * | 2018-08-21 | 2019-01-08 | 田园 | A kind of household fan swivel head |
-
2017
- 2017-12-05 CN CN201721674008.1U patent/CN207526741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162937A (en) * | 2018-08-21 | 2019-01-08 | 田园 | A kind of household fan swivel head |
| CN109162937B (en) * | 2018-08-21 | 2020-05-15 | 南京旭羽睿材料科技有限公司 | Rotating head of household electric fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |