CN2644739Y - Human body inductive exhaust fan - Google Patents
Human body inductive exhaust fan Download PDFInfo
- Publication number
- CN2644739Y CN2644739Y CN 03214305 CN03214305U CN2644739Y CN 2644739 Y CN2644739 Y CN 2644739Y CN 03214305 CN03214305 CN 03214305 CN 03214305 U CN03214305 U CN 03214305U CN 2644739 Y CN2644739 Y CN 2644739Y
- Authority
- CN
- China
- Prior art keywords
- fan
- utility
- model
- fresnel lens
- pyroelectric 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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Abstract
The utility model discloses a body induction exhaust fan, comprising a motor, a fan body and a fan cover. The utility model is characterized in that: the fan cover is provided with a hole which is provided with a fresnel lens; the fresnel lens is connected with a pyroelectric sensor which is connected with a control circuit. The utility model can be arranged in areas of kitchens, toilets and public areas and realizes that fan rotates when a person comes and fan stops running when a person leaves, the static power is less than 0.2W, the induction distance is bigger than 0.5m, the utility model has the advantages of convenient using, safety and energy saving.
Description
Technical field
The utility model relates to exhaust, aeration technology field, the body sense ventilating fan that particularly a kind of kitchen, toilet use.
Background technique
At present in the kitchen, the ventilating fan that uses of toilet, it mainly contains backguy or two kinds of control modes of button, its shortcoming is inconvenient, be not durable, waste energy again, particularly be installed in the toilet ventilating fan, be easy to after the use forget and turn off, so people are more and more higher for the requirement of ventilating fan.
Summary of the invention
The purpose of this utility model provides a kind ofly can discern people, the unmanned and body sense ventilating fan of opening automatically or closing automatically.
The utility model is achieved in that it comprises motor, fan body and fan cover, it is characterized in that opening a hole on the fan cover, is provided with Fresnel lens in the hole, and Fresnel lens is connected with pyroelectric sensor, and pyroelectric sensor is connected with control circuit.
The utility model can be installed in kitchen, toilet and public place, realizes that the people stops from fan to fan commentaries on classics, people, and its static power is less than 0.2W, and distance of reaction has easy to use and advantage energy-saving safe greater than 0.5 meter.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described;
Fig. 1 is the structural representation of body sense ventilating fan;
Fig. 2 is the front elevation of ventilating fan;
Fig. 3 is the structural representation of wall type ventilating fan;
Fig. 4 is the sectional view of Fig. 3,
Fig. 5 is a circuit diagram of the present utility model.
Specific implementation
Shown in Fig. 1-5, this body sense ventilating fan comprises motor 1, fan body 2 and fan cover 3, on the fan cover, open a hole 4, in hole 4, be provided with Fresnel lens 5, Fresnel lens 5 is connected with pyroelectric sensor 6, and pyroelectric sensor 6 is connected with control circuit, and control circuit comprises pyroelectric sensor 6, operational amplifier 7, operational amplifier can adopt IC324 or 8072 or 9803 or 7610 and delayer 8.
Claims (2)
1, a kind of body sense ventilating fan, it comprises motor, fan body and fan cover, it is characterized in that opening a hole on the fan cover, is provided with Fresnel lens in the hole, and Fresnel lens is connected with pyroelectric sensor, and pyroelectric sensor is connected with control circuit.
2, the described body sense ventilating fan of root a tree name claim 1 is characterized in that control circuit comprises pyroelectric sensor, operational amplifier 324 or IC8072 or 9803 or 7610 and delayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214305 CN2644739Y (en) | 2003-08-12 | 2003-08-12 | Human body inductive exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214305 CN2644739Y (en) | 2003-08-12 | 2003-08-12 | Human body inductive exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2644739Y true CN2644739Y (en) | 2004-09-29 |
Family
ID=34289922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03214305 Expired - Fee Related CN2644739Y (en) | 2003-08-12 | 2003-08-12 | Human body inductive exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2644739Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008128424A1 (en) * | 2007-04-24 | 2008-10-30 | Panasonic Corporation | A ventilator with a lighting unit and a human sensitive sensor |
| CN105626567A (en) * | 2016-01-22 | 2016-06-01 | 广东美的环境电器制造有限公司 | Fan |
-
2003
- 2003-08-12 CN CN 03214305 patent/CN2644739Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008128424A1 (en) * | 2007-04-24 | 2008-10-30 | Panasonic Corporation | A ventilator with a lighting unit and a human sensitive sensor |
| CN105626567A (en) * | 2016-01-22 | 2016-06-01 | 广东美的环境电器制造有限公司 | Fan |
| CN105626567B (en) * | 2016-01-22 | 2018-11-27 | 广东美的环境电器制造有限公司 | Fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |