CN202216015U - LED (light-emitting diode) lamp - Google Patents
LED (light-emitting diode) lamp Download PDFInfo
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- CN202216015U CN202216015U CN2011203142468U CN201120314246U CN202216015U CN 202216015 U CN202216015 U CN 202216015U CN 2011203142468 U CN2011203142468 U CN 2011203142468U CN 201120314246 U CN201120314246 U CN 201120314246U CN 202216015 U CN202216015 U CN 202216015U
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- lamp
- led lamp
- human body
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Abstract
The utility model relates to the technology field of an illuminating lamp, in particular to an auto induction LED (light-emitting diode) lamp. The LED lamp comprises a lamp housing and an LED lamp tube. Two PIR (passive infrared) human body pyroelectric sensors are arranged at the two ends of the lamp housing respectively, and a Fresnel lens is arranged in the detecting direction of the FIR human body pyroelectric sensors. The LED lamp can sense human sports automatically to control the on/off of the LED lamp so as to save energy, and has the characteristics of economical efficiency, green and environment protection and practicability.
Description
Technical field
The utility model relates to the illuminating lamp technical field, designs a kind of automatic induction LED lamp especially.
Background technology
Illuminating lamp is as the necessity of people's daily life and work, and its use field is very extensive, and its service time and frequency also are very high; The electric energy that consumes also is a huge numeral; In order to respond the plan of national energy-saving and emission-reduction, progressively ban the high incandescent lamp of energy consumption, put forth effort to promote the new model of green illumination energy-conserving product; During the LED lamp applies to social production more and more and puts into practice; Replaced incandescent lamp at leisure, but the LED lamp being present in the characteristics of incandescent lamp the same " long illuminator " equally, is extremely urgent problem so will solve the problem of the long photograph of LED lamp.
The utility model content
To the deficiency that exists on the prior art, the utility model provides a kind of LED lamp of new structure, and technical problem to be solved is to make it can respond to human motion automatically, thereby is suitable for practicality more, and has the value on the industry.
To achieve these goals, the utility model is to realize through following technical scheme:
A kind of LED lamp comprises lamp housing, LED fluorescent tube, and described lamp housing two ends are respectively arranged with two PIR human body pyroelectricity sensors.
The detection side of aforesaid PIR human body pyroelectricity sensor upwards is provided with a Fresnel Lenses.
Aforesaid PIR human body pyroelectricity sensor is made up of pyroelectricity element PZT, resistance, the FET FET of window, optical filter, differential concatenation.
Aforesaid PIR human body pyroelectricity sensor internal is filled nitrogen
Aforesaid optical filter is 6 μ m multilayer interference filters.
By technique scheme, the utility model LED lamp has advantage at least:
1, to have a cost low for PIR human body pyroelectricity sensor, and power consumption is little, and highly sensitive advantage can accurately detect the slower targets of translational speed such as pedestrian;
2, all add PIR human body pyroelectricity sensor at the two ends of lamp, enlarged the detection range of lamp;
3, upwards add Fresnel Lenses PIR human body pyroelectricity sensor detection side, improved the detection sensitivity of sensor.
Description of drawings
Specify the utility model below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the scheme of installation of PIR human body pyroelectricity sensor;
Fig. 3 is a PIR human body pyroelectricity sensor internal schematic diagram.
Wherein: 1, lamp housing, 2, the LED fluorescent tube, 3, PIR human body pyroelectricity sensor, 4, window, 5, the pyroelectricity element PZT of optical filter, 6, differential concatenation, 7, resistance, 8, FET FET.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with the specific embodiment, further set forth the utility model.
As shown in Figure 1, the utility model proposes a kind of LED lamp, comprises lamp housing 1, LED fluorescent tube 2, and described lamp housing 1 two ends are respectively arranged with two PIR human body pyroelectricity sensors 3.
As shown in Figure 2, the detection side of aforesaid PIR human body pyroelectricity sensor 3 upwards is provided with a Fresnel Lenses 9.
Fresnel Lenses is processed according to the optics basic principle, and its effect has two: (1) focussing force, and be about to human body radiation and converge on the pyroelectric infrared-sensing sensor sensing unit, enlarged the investigative range of sensor; (2) subregion effect; Be about to detection zone and be divided into several area pellucidas and dark space; Utilize in the lens discontinuous optical transmission property between each micro lens, what guarantee to incide detector surface is the infrared radiation signal of dynamic change, has improved the detection sensitivity of sensor.Concentrically ringed arrowband (form) through being distributed in eyeglass effectively concentrates on the infrared signal of moving target in the space exploration on the sensor.When target during along the movement in vertical direction of responsive unit, the output signal is the strongest.
As shown in Figure 3, the pyroelectricity element PZT6 of PIR human body pyroelectricity sensor 3 windows 4, optical filter 5, differential concatenation, resistance 7, FET FET8 form, and inner filling nitrogen sealing gland dress forms.Optical filter is 6 μ m multilayer interference filters, can fine filtering sunshine and the shortwave (below about 5 μ m) of fluorescent lamp.The pyroelectricity element PZT polarity of differential concatenation is opposite, and the output signal is cancelled out each other, and helps the wrong report that random noise such as compensate for background radiation produces; When temperature has the variation of △ T in the sensor detection range; The generation charge difference △ Q on two electrodes of pyroelectricity element PZT; Promptly between two electrodes, produce a weak voltage difference △ V, thereby convert the faint variation of wavelength infrared signal between 8 μ m～12 μ m into the signal of telecommunication.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. a LED lamp comprises lamp housing, LED fluorescent tube, it is characterized in that: described lamp housing two ends are respectively arranged with two PIR human body pyroelectricity sensors.
2. LED lamp according to claim 1 is characterized in that the detection side of described PIR human body pyroelectricity sensor upwards is provided with a Fresnel Lenses.
3. according to the LED lamp described in the claim 1, it is characterized in that described PIR human body pyroelectricity sensor is made up of pyroelectricity element PZT, resistance, the FET FET of window, optical filter, differential concatenation.
4. according to the LED lamp described in the claim 3, it is characterized in that described PIR human body pyroelectricity sensor internal filling nitrogen.
5. according to the LED lamp described in the claim 3, it is characterized in that described optical filter is 6 μ m multilayer interference filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203142468U CN202216015U (en) | 2011-08-26 | 2011-08-26 | LED (light-emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203142468U CN202216015U (en) | 2011-08-26 | 2011-08-26 | LED (light-emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216015U true CN202216015U (en) | 2012-05-09 |
Family
ID=46015268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203142468U Expired - Fee Related CN202216015U (en) | 2011-08-26 | 2011-08-26 | LED (light-emitting diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322573A (en) * | 2011-08-26 | 2012-01-18 | 苏州晶雷光电照明科技有限公司 | LED (light-emitting diode) lamp |
-
2011
- 2011-08-26 CN CN2011203142468U patent/CN202216015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322573A (en) * | 2011-08-26 | 2012-01-18 | 苏州晶雷光电照明科技有限公司 | LED (light-emitting diode) lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130826 |