CN108468650A - Improve the electric fan of security performance - Google Patents
Improve the electric fan of security performance Download PDFInfo
- Publication number
- CN108468650A CN108468650A CN201810185317.5A CN201810185317A CN108468650A CN 108468650 A CN108468650 A CN 108468650A CN 201810185317 A CN201810185317 A CN 201810185317A CN 108468650 A CN108468650 A CN 108468650A
- Authority
- CN
- China
- Prior art keywords
- module
- receiving module
- wireless
- blade
- wireless receiving
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of electric fans improving security performance, including：Electric fan ontology further includes：Bending sensor is in strip, is close to a wherein blade and fixes, and bending sensor can acquire the analog signal of blade deformation, and the direction of strip length is consistent with the direction that blade is grown；Amplifier, input terminal connect bending sensor；Analog-to-digital conversion module, input terminal connect the output end of amplifier；Wireless transmitter module, input terminal connect the output end of analog-to-digital conversion module；Solar cell is mounted on blade or rotating disc, is powered respectively to bending sensor, amplifier, analog-to-digital conversion module and wireless transmitter module；Wireless receiving module；Modem, input terminal connect the output end of wireless receiving module, and output end connects controller, and the information that modem can receive wireless receiving module is reduced into the power supply power supply of digital signal, modem and wireless receiving module by controller；The present invention has the advantageous effect for improving security performance.
Description
Technical field
The present invention relates to a kind of electric fans, more particularly, to the electric fan of large area blowing.
Background technology
Its blade of the electric fan of common electric fan such as household is shorter, additional blade shields cover, and it is hidden not have safety
Suffer from, when fan is dried for large area, the fan blade of fan is necessarily long, is influenced by natural wind, alternatively, fan is long
There is fatigue in time operation, and fan blade has the possibility to fracture, and since protective cover can not be arranged, there are security risks.
Invention content
The present invention is according to the above deficiency, provide a kind of electric fan improving security performance, by the bending for monitoring fan blade
The rotating speed of degree control fan, to improve security performance.
The technical scheme is that：
A kind of electric fan improving security performance, including：
Shell, top can be fixed on by hanging circle on roof truss；
Motor, shell are fixed in shell；
Gear reduction unit, shell are fixed in shell, and input shaft links with electric machine main shaft, and output shaft reaches outside shell；
Rotating disc, the output shaft through bolt and gear reduction unit are fixed；
Blade, is uniformly fixed on rotating disc by more；Hollow structure can be selected in blade；
Controller, output end are electrically connected motor, can control the velocity of rotation of motor, controller is powered by AC power；
Further include：
Bending sensor is in strip, is close to a wherein blade and fixes, bending sensor can acquire the simulation of blade deformation
The direction of signal, strip length is consistent with the direction that blade is grown；Bending sensor can be mounted on the tail portion and/or middle part of blade；
Amplifier, input terminal connect bending sensor, can amplify the analog signal of bending sensor acquisition；
Analog-to-digital conversion module, input terminal connect the output end of amplifier；
Wireless transmitter module, input terminal connect the output end of analog-to-digital conversion module；
Solar cell is mounted on blade or rotating disc, for acquiring natural light and/or light, solar cell difference
It powers to bending sensor, amplifier, analog-to-digital conversion module and wireless transmitter module；
Electrical appliance kit is fixed on rotating disc, for installing amplifier, analog-to-digital conversion module and wireless transmitter module；
Wireless receiving module, the information sent out for receiving wireless transmitter module；
Modem, input terminal connect the output end of wireless receiving module, and output end connects controller, modem energy
The information that wireless receiving module receives is reduced into the electricity of digital signal, modem and wireless receiving module by controller
Source powers；
Wireless receiving module and modem are mounted in the box of controller.
Preferably, the controller is frequency-variable controller.
Preferably, the wireless sending module is FM transmission module, the wireless receiving module is FM reception
Module.
Preferably, the wireless sending module is WiFi transmitting modules, the wireless receiving module receives for WiFi
Module.
Preferably, wireless sending module is Bluetooth transmission module, the wireless receiving module is bluetooth receiving module.
Existing other technologies can be selected in wireless transmitter receiver technology.
The present invention basic functional principle be：The degree of deformation that fan blade is acquired by bending sensor, after being amplified,
Analog signal is changed into digital signal by analog-to-digital conversion module, which is launched by wireless sending module, then
It is received by wireless receiving module and digital signal is reduced by modem, which is transported to controller,
The rotating speed for regulating and controlling motor finally by frequency-variable controller, when the degree of deformation of blade increases and is more than pre-set value, frequency control
Device reduces the rotating speed of fan, prevents blade from overloading, and safety coefficient is improved, conversely, can then increase fan in the range of setting
Rotating speed.
The present invention has the advantageous effect for improving security performance.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the mounting structure schematic diagram of bending sensor of the present invention.
Fig. 3 is the electric functional block diagram of the present invention.
Specific implementation mode
In conjunction with attached drawing, the present invention is further illustrated：
As shown, a kind of electric fan improving security performance, including：
Shell 1, top can be fixed on by hanging circle on roof truss；
Motor 2, shell are fixed in shell 1；
Gear reduction unit 3, shell are fixed in shell 1, and input shaft links with 2 main shaft of motor, and output shaft 75 reaches shell 1
Outside；
Rotating disc 4, the output shaft 75 through bolt 5 and gear reduction unit 3 are fixed；
Blade 6, is uniformly fixed on rotating disc 4 by more；
Controller, output end are electrically connected motor 2, can control the velocity of rotation of motor 2, controller is powered by AC power；
Further include：
Bending sensor 73 is in strip, is close to a wherein blade 6 and fixes, bending sensor 73 can acquire 6 deformation of blade
Analog signal, strip length direction it is consistent with the direction that blade 6 is grown；Bending sensor can be mounted on blade tail portion and/
Or middle part；73 optional resistor-type of bending sensor, when from stretching to being bent, resistance changes from small to large；
Amplifier, input terminal connect bending sensor 73, can amplify the analog signal of the acquisition of bending sensor 73；
Analog-to-digital conversion module, input terminal connect the output end of amplifier；
Wireless transmitter module, input terminal connect the output end of analog-to-digital conversion module；
Solar cell 72 is mounted on blade 6 or rotating disc 4, for acquiring natural light and/or light, solar cell
72 power to bending sensor 73, amplifier, analog-to-digital conversion module and wireless transmitter module respectively；Solar cell 72 can be with
Charged in parallel battery；
Electrical appliance kit 77 is fixed on rotating disc 4, for installing amplifier, analog-to-digital conversion module and wireless transmitter module；
Wireless receiving module, the information sent out for receiving wireless transmitter module；
Modem, input terminal connect the output end of wireless receiving module, and output end connects controller, modem energy
The information that wireless receiving module receives is reduced into the electricity of digital signal, modem and wireless receiving module by controller
Source powers；
Wireless receiving module and modem are mounted in the box of controller.
Controller is frequency-variable controller.The digital signal of modem output can be transported to the number of frequency-variable controller
The digital signal can also be converted to the simulation control that analog signal is transported to frequency-variable controller by control terminal through digital-to-analogue conversion circuit
End processed.
Wireless sending module is FM transmission module, and wireless receiving module is FM reception module.
Wireless sending module is WiFi transmitting modules, and wireless receiving module is WiFi receiving modules.
Wireless sending module is Bluetooth transmission module, and the wireless receiving module is bluetooth receiving module.
Claims (5)
1. a kind of electric fan improving security performance, including：
Shell（1）, top can be fixed on by hanging circle on roof truss；
Motor（2）, shell is fixed on shell（1）It is interior；
Gear reduction unit（3）, shell is fixed on shell（1）It is interior, input shaft and motor（2）Main shaft links, output shaft（75）It stretches
Go out to shell（1）Outside；
Rotating disc（4）, through bolt（5）With gear reduction unit（3）Output shaft（75）It is fixed；
Blade（6）, more, uniformly it is fixed on rotating disc（4）On；
Controller, output end are electrically connected motor（2）, motor can be controlled（2）Velocity of rotation, controller supplies by AC power
Electricity；
It is characterized in that further including：
Bending sensor（73）, it is in strip, is close to a wherein blade（6）It is fixed, bending sensor（73）Leaf can be acquired
Piece（6）The analog signal of deformation, the direction of strip length and blade（6）Long direction is consistent；
Amplifier, input terminal connect bending sensor（73）, bending sensor can be amplified（73）The analog signal of acquisition；
Analog-to-digital conversion module, input terminal connect the output end of amplifier；
Wireless transmitter module, input terminal connect the output end of analog-to-digital conversion module；
Solar cell（72）, it is mounted on blade（6）Or rotating disc（4）On, for acquiring natural light and/or light, the sun
It can battery（72）Respectively to bending sensor（73）, amplifier, analog-to-digital conversion module and wireless transmitter module power supply；
Electrical appliance kit（77）, it is fixed on rotating disc（4）On, for installing amplifier, analog-to-digital conversion module and wireless transmitter module；
Wireless receiving module, the information sent out for receiving wireless transmitter module；
Modem, input terminal connect the output end of wireless receiving module, and output end connects controller, modem energy
The information that wireless receiving module receives is reduced into the electricity of digital signal, modem and wireless receiving module by controller
Source powers；
Wireless receiving module and modem are mounted in the box of controller.
2. a kind of electric fan improving security performance as described in claim 1, characterized in that the controller includes frequency conversion control
Device processed.
3. a kind of electric fan improving security performance as described in claim 1, characterized in that the wireless sending module is to adjust
Frequency transmitting module, the wireless receiving module are FM reception module.
4. a kind of electric fan improving security performance as described in claim 1, characterized in that the wireless sending module is
WiFi transmitting modules, the wireless receiving module are WiFi receiving modules.
5. a kind of electric fan as described in claim 1, characterized in that the wireless sending module is Bluetooth transmission module, institute
The wireless receiving module stated is bluetooth receiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185317.5A CN108468650A (en) | 2018-03-06 | 2018-03-06 | Improve the electric fan of security performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185317.5A CN108468650A (en) | 2018-03-06 | 2018-03-06 | Improve the electric fan of security performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108468650A true CN108468650A (en) | 2018-08-31 |
Family
ID=63265079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810185317.5A Pending CN108468650A (en) | 2018-03-06 | 2018-03-06 | Improve the electric fan of security performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108468650A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072183A (en) * | 2008-03-06 | 2011-05-25 | 德尔塔T公司 | Fan control system with sensor |
| CN105822508A (en) * | 2016-04-29 | 2016-08-03 | 安徽容知日新信息技术有限公司 | System for monitoring blade deformation of wind power generation equipment |
| CN205744305U (en) * | 2016-04-29 | 2016-11-30 | 安徽容知日新科技股份有限公司 | A kind of system of the blade deformation monitoring wind power plant |
-
2018
- 2018-03-06 CN CN201810185317.5A patent/CN108468650A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072183A (en) * | 2008-03-06 | 2011-05-25 | 德尔塔T公司 | Fan control system with sensor |
| CN105822508A (en) * | 2016-04-29 | 2016-08-03 | 安徽容知日新信息技术有限公司 | System for monitoring blade deformation of wind power generation equipment |
| CN205744305U (en) * | 2016-04-29 | 2016-11-30 | 安徽容知日新科技股份有限公司 | A kind of system of the blade deformation monitoring wind power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180831 |