CN208270084U - A kind of infrared remote detection circuit - Google Patents
A kind of infrared remote detection circuit Download PDFInfo
- Publication number
- CN208270084U CN208270084U CN201820603310.6U CN201820603310U CN208270084U CN 208270084 U CN208270084 U CN 208270084U CN 201820603310 U CN201820603310 U CN 201820603310U CN 208270084 U CN208270084 U CN 208270084U
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- infrared
- pin
- triode
- detection circuit
- remote detection
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model proposes a kind infrared remote detection circuits, including Acquisition Circuit and receive circuit, the Acquisition Circuit includes the first triode, the base stage of first triode connects the first end of infrared probe by first capacitor, concatenated first resistor and second resistance are provided between the collector and base stage of first triode, and collector connects supply voltage by first resistor, base stage connects the first supply voltage by second electrode, supply voltage passes through the second capacitor and third capacity earth in parallel, the second end that the emitter of first triode passes through light-emitting LED connection infrared probe, the third end of infrared probe is grounded, receiving circuit includes infrared debugging chip, clock circuit is connected between the first pin and the 8th pin of infrared debugging chip, the second pin of infrared debugging chip is connected with the negative of infrared receiving tube Pole, the utility model enough realizes the long-range detection of infrared ray, and circuit is integrally relatively simple, and debugging is easy, low in cost.
Description
Technical field
The utility model belongs to technical field of mapping, in particular to a kind of infrared remote detection circuit.
Background technique
Currently, the basic skills of infrared detection is divided into two major classes type, i.e. passive type and active.The infrared detection of passive type
Using relatively more in the infrared detection diagnostic techniques of equipment；Active infrared detection can be divided into single side method and Double-surfaces Method again.
Stable state heating is also classified into the heating method of measured target in infrared detection and unstable state is heated.The installation of infrared detection instrument and
Means of conveyance have fixed, portable, vehicular and machine-carried type (helicopter loading) etc. a variety of.So-called passive type means that progress is red
Measured target is not heated when outer detection, the condition of ambient temperature is different from just with the temperature of measured target, in quilt
It surveys in the heat exchanging process of target and environment and carries out the mode of infrared detection.Passive type infrared detection is applied to running set
In standby, component and scientific experimentation.Since it does not need additional heating source, production scene substantially all in this way.But
Since the distance of infrared detection is generally shorter, measurement effect be difficult to it is satisfactory, many times in order to measure distance, and
Have to realize measurement using modes such as ultrasonic wave or laser, one comes that circuit is relative complex, and two carry out higher cost.
Therefore, it in view of above scheme in actual fabrication and in place of implementing using upper missing, and corrected, improved, together
When in line with the spirit and theory asked, and by the knowledge of profession, the auxiliary of experience, and after multi-party clever thought, test, just found
The utility model out, spy provide a kind of infrared remote detection circuit again, can be realized the long-range detection of infrared ray, and circuit compared with
Be it is simple, debugging be easy, cost is relatively low.
Utility model content
The utility model proposes a kind of infrared remote detection circuits, solve the problems of the prior art.
The technical solution of the utility model is achieved in that infrared remote detection circuit, including Acquisition Circuit and reception
Circuit, Acquisition Circuit include the first triode, and the base stage of the first triode connects the first end of infrared probe by first capacitor,
Concatenated first resistor and second resistance are provided between the collector and base stage of first triode, and collector passes through the first electricity
Resistance connection supply voltage, base stage connect the first supply voltage by second electrode, supply voltage by the second capacitor in parallel with
Third capacity earth, second end of the emitter of the first triode by light-emitting LED connection infrared probe, the third of infrared probe
End ground connection, receiving circuit includes infrared debugging chip, when being connected between the first pin and the 8th pin of infrared debugging chip
Clock circuit, the second pin of infrared debugging chip are connected with the cathode of infrared receiving tube, and the anode of infrared receiving tube passes through the 4th
Resistance connects second source voltage, and the anode of infrared receiving tube passes through the third pin of the infrared debugging chip of the 8th capacitance connection,
6th pin of infrared debugging chip connects second source voltage, and the 5th pin of infrared debugging chip is connect by the 4th capacitor
Ground, the 5th pin of infrared debugging chip pass through one end of the 5th capacitance connection alarm, and the other end for product of alarming is grounded, and second
Supply voltage is connect by the 6th capacitor and the 7th capacity earth in parallel, the 7th pin of infrared debugging chip by the 9th capacitor
Ground is connected with crystal oscillator between the first pin and the 8th pin of infrared debugging chip.
As a preferred embodiment, light-emitting LED is LED spotlight.
As a preferred embodiment, infrared debugging chip model is PIR0003.
As a preferred embodiment, the first triode is PNP triode.
As a preferred embodiment, the first supply voltage is+12V supply voltage.
As a preferred embodiment, second source voltage is+6V supply voltage.
As a preferred embodiment, LED spotlight includes the first LED spotlight and the second LED spotlight.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
1, carry out infrared acquisition using the form of infrared probe, and utilize after being amplified by triode LED spotlight into
The transmitting of row signal, extends measurement distance；
2, after being received using infrared receiving tube, PIR0003 is capacitively coupled to through the 8th and is amplified, it is finally defeated by alarm
Alarm signal out realizes the detection of infrared remote and alarms, ensure that the construction safety of production scene；
3, circuit structure is simple, low in cost；
As long as 4, receiving portion installation is errorless, being not required to debugging can work, and single-stage amplification avoids certain interference noise.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the circuit diagram of the utility model Acquisition Circuit；
Fig. 2 is the circuit diagram that the utility model receives circuit.
In figure, C1- first capacitor；The second capacitor of C2-；C3- third capacitor；The 4th capacitor of C4-；The 5th capacitor of C5-；C6-
6th capacitor；The 7th capacitor of C7-；The 8th capacitor of C8-；The 9th capacitor of C9-；R1- first resistor；R2- second resistance；R4- the 4th
Resistance；The first LED spotlight of VD1-；The second LED spotlight of VD2-；VD3- infrared receiving tube；B1- crystal oscillator；The first triode of VT-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, this infrared remote detection circuit, including Acquisition Circuit and circuit is received, Acquisition Circuit includes the
The base stage of one triode VT, the first triode VT passes through the first end of first capacitor C1 connection infrared probe, the first triode VT
Collector and base stage between be provided with concatenated first resistor R1 and second resistance R2, and collector is connected by first resistor R1
Connect supply voltage, base stage connects the first supply voltage by second electrode, and supply voltage passes through the second capacitor C2 in parallel and the
Three capacitor C3 ground connection, the emitter of the first triode VT is by the light-emitting LED second end for connecting infrared probe, and the of infrared probe
Three ends ground connection, receiving circuit includes infrared debugging chip, is connected between the first pin and the 8th pin of infrared debugging chip
The second pin of clock circuit, infrared debugging chip is connected with the cathode of infrared receiving tube VD3, the anode of infrared receiving tube VD3
By the 4th resistance R4 connection second source voltage, infrared receiving tube VD3 is directed at LED spotlight, and the anode of infrared receiving tube VD3 is logical
Cross the third pin that the 8th capacitor C8 connects infrared debugging chip, the 6th pin connection second source electricity of infrared debugging chip
5th pin of pressure, infrared debugging chip is grounded by the 4th capacitor C4, and the 5th pin of infrared debugging chip passes through the 5th electricity
Hold one end of C5 connection alarm, the other end ground connection for product of alarming, second source voltage passes through the 6th capacitor C6 of parallel connection and the
7th pin of seven capacitor C7 ground connection, infrared debugging chip is grounded by the 9th capacitor C9, the first pin of infrared debugging chip
And the 8th be connected with crystal oscillator B1 between pin.Light-emitting LED is LED spotlight.Infrared debugging chip model is PI R0003.One or three
Pole pipe VT is PNP triode.First supply voltage is+12V supply voltage.Second source voltage is+6V supply voltage.LED is penetrated
Lamp includes the first LED spotlight VD1 and the second LED spotlight VD2.
The working principle of the infrared remote detection circuit is: signal is inputted by A point, through first capacitor C1 by the first triode
Infrared transmitting tube is pushed after amplification.Since the emissive porwer of transmitting tube is directly proportional to by its electric current, so the first LED spotlight
The infrared light that VD1, the second LED spotlight VD2 are issued, just by the modulation of audio signal.It is distorted in order to prevent, the first LED is penetrated
Lamp VD1, the second LED spotlight VD2 will set certain bias current, and current value is adjusted by first resistor R1.When the first LED spotlight
When the outer illumination of VD1 or the second LED spotlight VD2 are mapped to infrared receiving tube VD3, one is generated at its both ends and is changed with intensity of illumination
The identical electric signal of rule, is coupled to PIR0003 through the 8th capacitor C8 and amplifies, finally export alarm signal by alarm.
Collecting part, which need to only adjust first resistor R1, makes the quiescent current of the first triode VT in 30mA or so, as long as receiving portion is installed
Errorless, being not required to debugging can work.This circuit is amplified using single-stage, can effectively increase anti-interference ability.After actual measurement, effectively
Transmitting range is not less than 30m.If adding preposition amplification to receiving portion, increase snoot to LED spotlight, reception pipe, furthermore
Power output etc. is increased to collecting part, effective transmitting range can also be increased, realize infrared long-range detection.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of infrared remote detection circuit, which is characterized in that including Acquisition Circuit and receive circuit, the Acquisition Circuit includes
First triode, the base stage of first triode connect the first end of infrared probe by first capacitor, the first triode
Concatenated first resistor and second resistance are provided between collector and base stage, and collector connects power supply electricity by first resistor
Pressure, base stage connect the first supply voltage by second electrode, and supply voltage passes through the second capacitor and third capacity earth in parallel,
Second end of the emitter of first triode by light-emitting LED connection infrared probe, the third end ground connection of infrared probe, reception electricity
Road includes infrared debugging chip, is connected with clock circuit, infrared tune between the first pin and the 8th pin of infrared debugging chip
The second pin of examination chip is connected with the cathode of infrared receiving tube, and the anode of infrared receiving tube passes through the second electricity of the 4th resistance connection
Source voltage, the anode of infrared receiving tube pass through the third pin of the infrared debugging chip of the 8th capacitance connection, infrared debugging chip
6th pin connects second source voltage, and the 5th pin of infrared debugging chip passes through the 4th capacity earth, infrared debugging chip
The 5th pin by one end of the 5th capacitance connection alarm, the other end ground connection for product of alarming, second source voltage is by simultaneously
7th pin of the 6th capacitor and the 7th capacity earth of connection, infrared debugging chip passes through the 9th capacity earth, infrared debugging core
Crystal oscillator is connected between the first pin and the 8th pin of piece.
2. infrared remote detection circuit according to claim 1, which is characterized in that described light-emitting LED for LED spotlight.
3. infrared remote detection circuit according to claim 2, which is characterized in that the infrared debugging chip model is
PIR0003。
4. infrared remote detection circuit according to claim 3, which is characterized in that first triode is tri- pole PNP
Pipe.
5. infrared remote detection circuit according to claim 4, which is characterized in that first supply voltage is+12V electricity
Source voltage.
6. infrared remote detection circuit according to claim 5, which is characterized in that the second source voltage is+6V electricity
Source voltage.
7. infrared remote detection circuit according to claim 6, which is characterized in that the LED spotlight includes that the first LED is penetrated
Lamp and the second LED spotlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603310.6U CN208270084U (en) | 2018-04-26 | 2018-04-26 | A kind of infrared remote detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603310.6U CN208270084U (en) | 2018-04-26 | 2018-04-26 | A kind of infrared remote detection circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208270084U true CN208270084U (en) | 2018-12-21 |
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ID=64680103
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820603310.6U Expired - Fee Related CN208270084U (en) | 2018-04-26 | 2018-04-26 | A kind of infrared remote detection circuit |
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| CN (1) | CN208270084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045434A (en) * | 2019-04-30 | 2019-07-23 | 安徽汉云智能制造有限责任公司 | A kind of infrared shooting device |
-
2018
- 2018-04-26 CN CN201820603310.6U patent/CN208270084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045434A (en) * | 2019-04-30 | 2019-07-23 | 安徽汉云智能制造有限责任公司 | A kind of infrared shooting device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20181221 Termination date: 20200426 |