CN204928971U - High sensitivity's infrared night vision watch -dog - Google Patents
High sensitivity's infrared night vision watch -dog Download PDFInfo
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- CN204928971U CN204928971U CN201520299790.8U CN201520299790U CN204928971U CN 204928971 U CN204928971 U CN 204928971U CN 201520299790 U CN201520299790 U CN 201520299790U CN 204928971 U CN204928971 U CN 204928971U
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Abstract
The utility model relates to a high sensitivity's infrared night vision watch -dog belongs to watch -dog technical field, including infrared lamp, camera, photoelectric sensor, digital image processing ware, controller, memory, digital image processing ware, photoelectric sensor, memory are connected respectively to the controller, and the camera is connected to the digital image processing ware, and photoelectric sensor connects the infrared lamp, its characterized in that, photoelectric sensor still connects through signal amplification circuit the digital image processing ware. The utility model discloses add signal amplification circuit between photoelectric sensor and digital image processing ware, improve the sensitivity of watch -dog and the definition of control picture, guarantee the quality of control picture.
Description
Technical field
The utility model relates to watch-dog field, specifically, is a kind of highly sensitive infrared night vision watch-dog.
Background technology
Sensitivity is the core of infrared night vision monitoring. and sensitivity is better, also stronger to ultrared sensing capability. and certainly, the watch-dog price that sensitivity is better is also more expensive.Photoelectric sensor sensibility in watch-dog of the prior art is not high, and signal to noise ratio is very low, and the picture causing Digital Image Processor to deal exists a lot " snow ", and this problem is particularly serious in night vision monitoring device.
Utility model content
The purpose of this utility model is the problem solving the aging inline diagnosis of cable line, provides a kind of highly sensitive infrared night vision watch-dog.
For achieving the above object, the utility model provides following technical scheme:
The utility model relates to a kind of highly sensitive infrared night vision watch-dog, comprise infrared lamp, camera, photoelectric sensor, Digital Image Processor, controller, memory, controller connects Digital Image Processor, photoelectric sensor, memory respectively, Digital Image Processor connects camera, photoelectric sensor P connects infrared lamp, it is characterized in that, described photoelectric sensor also connects described Digital Image Processor by signal amplification circuit.
As further scheme of the present utility model, described signal amplification circuit comprises one-level operational amplifier IC1, two-level operating amplifier IC2, five low resistance R1 ~ R5, electric capacity C1 ~ C5, photoelectric sensor P, diode VD1, VD2, triode VT, LED and potentiometer RP, the first end of photoelectric sensor P is connected with the first end of low resistance R1 and the first end of C1 simultaneously, second end of photoelectric sensor P simultaneously with the first end of resistance R2, the first end of electric capacity C2, the first end of electric capacity C3, the positive pole of diode VD2, the first end of electric capacity C5 is connected with the output of photoelectric sensor P circuit, second end of electric capacity C1 simultaneously with the positive pole of one-level operational amplifier IC1, the first end of resistance R4, the positive pole of two-level operating amplifier IC2, the collector electrode of triode VT, the first end of electric capacity C4 is connected with the input anode of Digital Image Processor, second end of electric capacity C1 is connected with second end of resistance R2 and the positive signal input part of one-level operational amplifier IC1 simultaneously, the inversion signal input of one-level operational amplifier IC1 simultaneously with the first end of resistance R3, the sliding end of potentiometer RP is connected with the first end of potentiometer RP, second end of resistance R3 is connected with second end of electric capacity C2, the negative pole of one-level operational amplifier IC1 simultaneously with the negative pole of two-level operating amplifier IC2, the negative pole of LED, second end of electric capacity C5 is connected with power cathode, the signal output part of one-level operational amplifier IC1 is connected with the positive pole of diode VD1 and second end of potentiometer RP simultaneously, the negative pole of diode VD1 is connected with second end of electric capacity C3 and the positive signal input part of two-level operating amplifier IC2 simultaneously, the inversion signal input of two-level operating amplifier IC2 is connected with second end of resistance R4 and the negative pole of diode VD2 simultaneously, the signal output part of two-level operating amplifier IC2 is connected with the base stage of triode VT, the signal output part of triode VT is connected with the first end of resistance R5, second end of resistance R5 is connected with the positive pole of LED, second end of electric capacity C4 is connected with the input cathode of Digital Image Processor.
As further scheme of the present utility model, described infrared lamp adopts wavelength to be that 850nm has slight red sudden and violent infrared lamp.
Compared with prior art, good effect of the present utility model is:
1. the utility model sets up signal amplification circuit between photoelectric sensor and Digital Image Processor, improves the sensitivity of watch-dog and the definition of monitored picture, ensures the quality of monitored picture.
Accompanying drawing explanation
Fig. 1 is a kind of signal amplification circuit figure of highly sensitive infrared night vision watch-dog.
Embodiment
The technological means realized to make the utility model, character of innovation, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
A kind of highly sensitive infrared night vision watch-dog, comprise infrared lamp, camera, photoelectric sensor, Digital Image Processor, controller, memory, controller connects Digital Image Processor, photoelectric sensor, memory respectively, Digital Image Processor connects camera, photoelectric sensor P connects infrared lamp, it is characterized in that, described photoelectric sensor also connects described Digital Image Processor by signal amplification circuit.
As shown in Figure 1, described signal amplification circuit comprises one-level operational amplifier IC1, two-level operating amplifier IC2, five low resistance R1 ~ R5, electric capacity C1 ~ C5, photoelectric sensor P, diode VD1, VD2, triode VT, LED and potentiometer RP, the first end of photoelectric sensor P is connected with the first end of low resistance R1 and the first end of C1 simultaneously, second end of photoelectric sensor P simultaneously with the first end of resistance R2, the first end of electric capacity C2, the first end of electric capacity C3, the positive pole of diode VD2, the first end of electric capacity C5 is connected with the output of photoelectric sensor P circuit, second end of electric capacity C1 simultaneously with the positive pole of one-level operational amplifier IC1, the first end of resistance R4, the positive pole of two-level operating amplifier IC2, the collector electrode of triode VT, the first end of electric capacity C4 is connected with the input anode of Digital Image Processor, second end of electric capacity C1 is connected with second end of resistance R2 and the positive signal input part of one-level operational amplifier IC1 simultaneously, the inversion signal input of one-level operational amplifier IC1 simultaneously with the first end of resistance R3, the sliding end of potentiometer RP is connected with the first end of potentiometer RP, second end of resistance R3 is connected with second end of electric capacity C2, the negative pole of one-level operational amplifier IC1 simultaneously with the negative pole of two-level operating amplifier IC2, the negative pole of LED, second end of electric capacity C5 is connected with power cathode, the signal output part of one-level operational amplifier IC1 is connected with the positive pole of diode VD1 and second end of potentiometer RP simultaneously, the negative pole of diode VD1 is connected with second end of electric capacity C3 and the positive signal input part of two-level operating amplifier IC2 simultaneously, the inversion signal input of two-level operating amplifier IC2 is connected with second end of resistance R4 and the negative pole of diode VD2 simultaneously, the signal output part of two-level operating amplifier IC2 is connected with the base stage of triode VT, the signal output part of triode VT is connected with the first end of resistance R5, second end of resistance R5 is connected with the positive pole of LED, second end of electric capacity C4 is connected with the input cathode of Digital Image Processor.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, therefore all changes be intended in the implication of the equivalency by dropping on claim and scope are included in the utility model, any Reference numeral in claim should be considered as the claim involved by limiting.
Claims (3)
1. a highly sensitive infrared night vision watch-dog, comprise infrared lamp, camera, photoelectric sensor, Digital Image Processor, controller, memory, controller connects Digital Image Processor, photoelectric sensor, memory respectively, Digital Image Processor connects camera, photoelectric sensor connects infrared lamp, it is characterized in that, described photoelectric sensor also connects described Digital Image Processor by signal amplification circuit.
2. the highly sensitive infrared night vision watch-dog of one according to claim 1, it is characterized in that, described signal amplification circuit comprises one-level operational amplifier IC1, two-level operating amplifier IC2, five low resistance R1 ~ R5, electric capacity C1 ~ C5, photoelectric sensor P, diode VD1, VD2, triode VT, LED and potentiometer RP, the first end of photoelectric sensor P is connected with the first end of low resistance R1 and the first end of C1 simultaneously, second end of photoelectric sensor P simultaneously with the first end of resistance R2, the first end of electric capacity C2, the first end of electric capacity C3, the positive pole of diode VD2, the first end of electric capacity C5 is connected with the output of photoelectric sensor P circuit, second end of electric capacity C1 simultaneously with the positive pole of one-level operational amplifier IC1, the first end of resistance R4, the positive pole of two-level operating amplifier IC2, the collector electrode of triode VT, the first end of electric capacity C4 is connected with the input anode of Digital Image Processor, second end of electric capacity C1 is connected with second end of resistance R2 and the positive signal input part of one-level operational amplifier IC1 simultaneously, the inversion signal input of one-level operational amplifier IC1 simultaneously with the first end of resistance R3, the sliding end of potentiometer RP is connected with the first end of potentiometer RP, second end of resistance R3 is connected with second end of electric capacity C2, the negative pole of one-level operational amplifier IC1 simultaneously with the negative pole of two-level operating amplifier IC2, the negative pole of LED, second end of electric capacity C5 is connected with power cathode, the signal output part of one-level operational amplifier IC1 is connected with the positive pole of diode VD1 and second end of potentiometer RP simultaneously, the negative pole of diode VD1 is connected with second end of electric capacity C3 and the positive signal input part of two-level operating amplifier IC2 simultaneously, the inversion signal input of two-level operating amplifier IC2 is connected with second end of resistance R4 and the negative pole of diode VD2 simultaneously, the signal output part of two-level operating amplifier IC2 is connected with the base stage of triode VT, the signal output part of triode VT is connected with the first end of resistance R5, second end of resistance R5 is connected with the positive pole of LED, second end of electric capacity C4 is connected with the input cathode of Digital Image Processor.
3. the highly sensitive infrared night vision watch-dog of one according to claim 1, is characterized in that, described infrared lamp adopts wavelength to be that 850nm has slight red sudden and violent infrared lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520299790.8U CN204928971U (en) | 2015-05-08 | 2015-05-08 | High sensitivity's infrared night vision watch -dog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520299790.8U CN204928971U (en) | 2015-05-08 | 2015-05-08 | High sensitivity's infrared night vision watch -dog |
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| Publication Number | Publication Date |
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| CN204928971U true CN204928971U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520299790.8U Expired - Fee Related CN204928971U (en) | 2015-05-08 | 2015-05-08 | High sensitivity's infrared night vision watch -dog |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259704A (en) * | 2018-03-23 | 2018-07-06 | 深圳市豪恩汽车电子装备股份有限公司 | vehicle-mounted camera video output circuit |
-
2015
- 2015-05-08 CN CN201520299790.8U patent/CN204928971U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259704A (en) * | 2018-03-23 | 2018-07-06 | 深圳市豪恩汽车电子装备股份有限公司 | vehicle-mounted camera video output circuit |
| CN108259704B (en) * | 2018-03-23 | 2024-04-30 | 深圳市豪恩汽车电子装备股份有限公司 | Video output circuit of vehicle-mounted camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160508 |