CN201522800U - Infrared radiation modulator capable of concentrically adjusting focal length and infrared pyroelectric sensing device - Google Patents
Infrared radiation modulator capable of concentrically adjusting focal length and infrared pyroelectric sensing device Download PDFInfo
- Publication number
- CN201522800U CN201522800U CN2009202103007U CN200920210300U CN201522800U CN 201522800 U CN201522800 U CN 201522800U CN 2009202103007 U CN2009202103007 U CN 2009202103007U CN 200920210300 U CN200920210300 U CN 200920210300U CN 201522800 U CN201522800 U CN 201522800U
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- China
- Prior art keywords
- infrared
- red laser
- infrared radiation
- radiation modulator
- sensing device
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Abstract
The utility model relates to an infrared radiation modulator capable of concentrically adjusting focal length and an infrared pyroelectric sensing device, which comprise an infrared radiation modulator provided with a modulating disk and an infrared pyroelectric sensing device provided with a height-adjustable support. Besides, a modulating disk protective cover is fixedly installed on the modulating disk; two red laser receivers are installed on the disk surface of the modulating disk protective cover; and two red laser transmitters are installed on the height-adjustable support. When the two red laser receivers are aligned to two beams of red laser transmitted by the two red laser transmitters, an infrared radiation source on the infrared radiation modulator and the infrared pyroelectric sensing device are positioned concentrically. The infrared radiation modulator and the infrared pyroelectric sensing device avoid the problem that the prior art is inaccurate in focusing and has distorted signals, and have the advantages of light integral arranged structure, small occupied area and convenient use.
Description
Technical field
The utility model is a kind of infrared radiation modulator and infrared thermal releasing electrical sensor apparatus that focalizes with one heart of being convenient to transfer, and can be used in the teaching and experiment equipment.
Background technology
The experiment of prior art places on the triangle guide rail made of iron for the ease of focusing with infrared radiation modulator and pyroelectric infrared sensor, so one-piece construction is not only very heavy, again area occupied.Can occur decentraction if be not interposing on the triangle guide rail in the practical operation, cause focusing inaccurate, the phenomenon of distortion appears in signal.
The utility model content
The purpose of this utility model is the defective at the prior art existence, a kind of infrared radiation modulator that can focalize with one heart and pyroelectric infrared sensor device are provided, red laser beam transmitter and the receiver of being convenient to adjusting with one heart are housed on infrared radiation modulator and infrared thermal releasing electrical sensor apparatus, the focusing that can solve the problem of using iron triangle guide rail heaviness well and occur in operation without guide rail is inaccurate, and the problem of distortion appears in signal.
For achieving the above object, the utility model adopts following technical proposals:
A kind of infrared radiation modulator that can focalize with one heart and infrared thermal releasing electrical sensor apparatus, the infrared thermal releasing electrical sensor apparatus that comprises the infrared radiation modulator and a band adjustment height support of a band chopper wheel, it is characterized in that chopper wheel guard shield of fixed installation on the described chopper wheel, two red laser receivers are housed on the card of described chopper wheel guard shield; Two red laser transmitters are housed on described adjustment height support; When two red laser receivers are aimed at the two bundle red lasers that two red laser transmitters send, the infrared origin on the described infrared radiation modulator and pyroelectric infrared sensor device be in same in the heart.
The pyroelectric sensor of described infrared thermal releasing electrical sensor apparatus and low-frequency preamplifier upper sliding sleeve the Infrared Lens of an adjustable focal length, an axial through grooves is arranged on the barrel-type casing of described Infrared Lens, fixed the bolt that is connected on described pyroelectric sensor and the low-frequency preamplifier for one and pass to revolve after this axial through grooves and join a nut, and screwed this nut and can make the Infrared Lens location.
The utility model compared with prior art, have following conspicuous substantive distinguishing features and advantage: on infrared radiator of the present utility model and the infrared thermal releasing electrical sensor apparatus red laser beam transmitter and receiver are housed respectively, as long as the illuminator emitted light beams has been aimed at receiver, then infrared radiation modulator and infrared thermal releasing electrical sensor apparatus just are in together in the heart, avoid existing in the prior art focusing to be forbidden to occur the problem of distortion with signal, and whole installing structure is light, area occupied is less, uses more convenient.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the circuit theory diagrams of red laser transmitter and receiver.
Embodiment
A preferred embodiment accompanying drawings of the present utility model is as follows:
A kind of infrared radiation modulator that can focalize with one heart and infrared thermal releasing electrical sensor apparatus, the infrared thermal releasing electrical sensor apparatus that comprises the infrared radiation modulator and a band adjustment height support 15 of a band chopper wheel 2, chopper wheel guard shield 3 of fixed installation is equipped with two red laser receivers 4 on the described chopper wheel 2 on the card of described chopper wheel guard shield 3; Two red laser transmitters 14 are housed on described adjustment height support 15; When two red laser receivers 4 are aimed at the two bundle red lasers that two red laser transmitters 14 send, the infrared origin on the described infrared radiation modulator and pyroelectric infrared sensor device be in same in the heart.
The pyroelectric sensor of described infrared thermal releasing electrical sensor apparatus and low-frequency preamplifier 11 upper sliding sleeves the Infrared Lens 12 of an adjustable focal length, an axial through grooves is arranged on the barrel-type casing of described Infrared Lens 12, fixed the bolt 13 that is connected on described pyroelectric sensor and the low-frequency preamplifier 11 for one and pass to revolve after this axial through grooves and join a nut, and screwed this nut and can make Infrared Lens 12 location.
Above-mentioned infrared radiation modulator is made of infrared origin 1, modulating motor 6, chopper wheel 2, chopper wheel guard shield 3, support 7, base 8, red laser beam receiver 4 (circuit is seen Fig. 2), concentric pilot lamp 5, radiation source pilot lamp 10, power supply lead wire plug 9.After energized, radiation source pilot lamp 10 is lighted, and infrared origin 1 produces infrared radiation, and modulating motor 6 drives chopper wheel 2 rotations infrared radiation is modulated, and infrared radiation is intermittently exported.Mobile infrared radiation modulator this moment (or mobile infrared thermal releasing electrical sensor apparatus) makes two the red laser beam receptacles 4 on the chopper wheel guard shield 2 aim at the 2 bundle red laser beams that the infrared thermal releasing electrical sensor apparatus is sent.Light as the concentric pilot lamp 5 of fruit green, illustrate that infrared origin 1 and pyroelectric infrared sensor device transfer with in the heart.
Above-mentioned infrared thermal releasing electrical sensor apparatus is made of pyroelectric sensor and low-frequency preamplifier 11, the Infrared Lens 12 of adjustable focal length, focusing screw 13, red laser beam transmitter 14 (circuit is seen Fig. 2), the support 15 of adjustment height, base 17, support fixed screw 16, signal wire plug 18.Pyroelectric infrared sensor and low-frequency preamplifier 11 are contained in the metal tube, front end outside pipe is equipped with one and can moves forward and backward the Infrared Lens 12 of focusing, focusing screw 13 can change the focal length of Infrared Lens 12, and whole device is installed on the support 15 of an adjustment height.2 red laser transmitters 14 are housed on support 15, are used for transferring with one heart with infrared origin 1, behind the signal wire plug 18, red laser beam transmitter 14 can send two bundle red laser beams on connecting.In like manner, mobile infrared thermal release electric propagated sensation device, if two bundle red laser beams have been aimed at two red laser beam receptacles 4 on the infrared radiation modulator, green pilot lamp 5 is with one heart lighted, and illustrate that pyroelectric infrared sensor and infrared origin 1 accent are together in the heart.
Referring to Fig. 2, the circuit structure of above-mentioned infrared laser transmitter 14 and receiver 4 is: by resistance R
1, R
2With red laser power valve DT
1, DT
2Constitute a generating laser circuit.Behind the energized V, DT
1, DT
2Can send 2 bundle red laser beams.As laser receiver pope BT
1, BT
2When receiving red laser beam simultaneously, pass through resistance R
3, R
4With diode D
1, D
2Resistance R is passed through in output
5, R
6, transistor T
1And resistance R
7, R
8Oxide-semiconductor control transistors T
2Conducting makes green pilot lamp DT with one heart
3Light.
Claims (2)
1. infrared radiation modulator that can focalize with one heart and infrared thermal releasing electrical sensor apparatus, the infrared thermal releasing electrical sensor apparatus that comprises the infrared radiation modulator and a band adjustment height support (15) of a band chopper wheel (2), it is characterized in that a upward fixed installation chopper wheel guard shield (3) of described chopper wheel (2), two red laser receivers (4) are housed on the card of described chopper wheel guard shield (3); Two red laser transmitters (14) are housed on described adjustment height support (15); When two red laser receivers (4) are aimed at the two bundle red lasers that two red laser transmitters (14) send, the infrared origin on the described infrared radiation modulator and pyroelectric infrared sensor device be in same in the heart.
2. infrared radiation modulator that can focalize with one heart according to claim 1 and infrared thermal releasing electrical sensor apparatus, it is characterized in that the pyroelectric sensor of described infrared thermal releasing electrical sensor apparatus and the Infrared Lens (12) that low-frequency preamplifier (11) upper sliding sleeve an adjustable focal length, an axial through grooves is arranged on the barrel-type casing of described Infrared Lens (12), fixed the bolt (13) that is connected on described pyroelectric sensor and the low-frequency preamplifier (11) for one and pass to revolve after this axial through grooves and join a nut, and screwed this nut and can make Infrared Lens (12) location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202103007U CN201522800U (en) | 2009-09-27 | 2009-09-27 | Infrared radiation modulator capable of concentrically adjusting focal length and infrared pyroelectric sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202103007U CN201522800U (en) | 2009-09-27 | 2009-09-27 | Infrared radiation modulator capable of concentrically adjusting focal length and infrared pyroelectric sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522800U true CN201522800U (en) | 2010-07-07 |
Family
ID=42508977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202103007U Expired - Fee Related CN201522800U (en) | 2009-09-27 | 2009-09-27 | Infrared radiation modulator capable of concentrically adjusting focal length and infrared pyroelectric sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099296A (en) * | 2018-08-30 | 2018-12-28 | 中国葛洲坝集团易普力股份有限公司 | The device of infrared emission warning device is quickly fixed applied to pre-powder charge big gun area |
| CN110737068A (en) * | 2019-10-17 | 2020-01-31 | 福建师范大学 | adjusting device for automatic focusing light path |
-
2009
- 2009-09-27 CN CN2009202103007U patent/CN201522800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099296A (en) * | 2018-08-30 | 2018-12-28 | 中国葛洲坝集团易普力股份有限公司 | The device of infrared emission warning device is quickly fixed applied to pre-powder charge big gun area |
| CN110737068A (en) * | 2019-10-17 | 2020-01-31 | 福建师范大学 | adjusting device for automatic focusing light path |
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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: 20100707 Termination date: 20100927 |