CN203745649U - SCM-controlled infrared detection circuit - Google Patents
SCM-controlled infrared detection circuit Download PDFInfo
- Publication number
- CN203745649U CN203745649U CN201420087208.7U CN201420087208U CN203745649U CN 203745649 U CN203745649 U CN 203745649U CN 201420087208 U CN201420087208 U CN 201420087208U CN 203745649 U CN203745649 U CN 203745649U
- Authority
- CN
- China
- Prior art keywords
- resistance
- singlechip chip
- infrared
- triode
- pin
- 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
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses an SCM-controlled infrared detection circuit, which comprises an SCM chip, a first triode, a second triode, a crystal oscillator, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a potentiometer, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, an infrared emitting diode, a light emitting diode and an infrared receiver. The SCM chip controls the infrared emitting diode to emit an infrared pulse string after the coding processing, the SCM chip receives the pulse string through the infrared receiver, if the received signal is identical to the emitted coded signal, then an obstacle exists in the detection direction, thus the SCM-controlled infrared detection circuit effectively prevents the interference of strong reflected light, can be applied to the manufacturing of sweeping robots, detection tools for blind person, intelligent toys and the like, has the advantages of simple circuit structure, stable working performance and high sensitivity, and has the application and popularization values.
Description
Technical field
The utility model relates to a kind of single chip machine controlling circuit, relates in particular to a kind of monolithic processor controlled infra-red detection circuit.
Background technology
Use the equipment of infra-red detection barrier in the time surveying, it is initiatively to detection direction transmitting infrared signal, if there is barrier, the signal of transmitting can be reflected back toward transmitting terminal, at transmitting terminal, if receive the signal of reflection, just confirms the existence of barrier; But in actual applications, infrared interference source is more, and having in catoptrical situation, due to the interference of light, be easy to error in judgement.In prior art, a lot of infrared detectors are in the time transmitting, be improved to and send a string continuous infrared pulse, then receive the signal of reflection, if when the infrared pulse quantity receiving exceedes a certain threshold value, exist with regard to disturbance in judgement, although this method can reduce False Rate to a certain extent, but under stronger reflected light condition, be still easy to occur interference phenomenon.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of monolithic processor controlled infra-red detection circuit.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises singlechip chip, the first triode, the second triode, crystal oscillator, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, potentiometer, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, infrared-emitting diode, light emitting diode and infrared remote receiver, the first end of described the first resistance is connected with first end and the positive source of described the first electric capacity simultaneously, the second end while of described the first resistance and the positive pole of described infrared remote receiver, the first end of described the second resistance, the 3rd pin of described singlechip chip, the 14 pin of described singlechip chip, the positive pole of described light emitting diode is connected with the positive pole of described infrared-emitting diode, the signal output part of described infrared remote receiver is connected with the 13 pin of described singlechip chip, the negative pole of described infrared remote receiver is connected with the collector of described the first triode, the base stage of described the first triode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the second pin of described singlechip chip, the second end of described the second resistance is connected with the first end of described the second electric capacity and the 4th pin of described singlechip chip simultaneously, the second end while of described the second electric capacity and the 5th pin of described singlechip chip, the emitter of described the first triode, the second end of described the first electric capacity, the first end of described the 4th electric capacity, the first end of described the 3rd electric capacity, the emitter of described the second triode is connected with described power cathode, the base stage of described the second triode is connected with the first end of described the 5th resistance, the second end of described the 5th resistance is connected with the 18 pin of described singlechip chip, the collector of described the second triode is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the first end of described potentiometer and the adjustable side of described potentiometer simultaneously, the second end of described potentiometer is connected with the negative pole of described infrared-emitting diode, the second end of described the 3rd electric capacity is connected with the first end of described crystal oscillator and the 16 pin of described singlechip chip simultaneously, the second end of described the 4th electric capacity is connected with the second end of described crystal oscillator and the 15 pin of described singlechip chip simultaneously, the 17 pin of described singlechip chip is connected with the first end of described the 6th resistance, the second end of described the 6th resistance is connected with the negative pole of described light emitting diode.
Particularly, described singlechip chip is selected the singlechip chip of model EM78P156E; Described infrared remote receiver is selected the infrared remote receiver of model NB0038.
The beneficial effects of the utility model are:
The infrared pulse string of being processed through coding by the transmitting of singlechip chip control infrared-emitting diode in the utility model, simultaneously, singlechip chip receives this train of impulses by infrared remote receiver, if the coded signal of the signal receiving and transmitting is consistent, there is barrier in the direction of surveying, effectively prevent the interference of strong reflection, effectively detecting obstacles thing, can be applicable to sweeping robot, the making of blind person's detection and intelligent toy etc., and it is simple that the utility model also has circuit structure, stable work in work and highly sensitive advantage, there is the value that uses and promote.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises singlechip chip U1, the first triode VT1, the second triode VT2, crystal oscillator XT, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, potentiometer RP, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, infrared-emitting diode DR, LED and infrared remote receiver U2, the first end of the first resistance R 1 is connected with first end and the positive source+V of the first capacitor C 1 simultaneously, the second end while of the first resistance R 1 and the positive pole of infrared remote receiver U2, the first end of the second resistance R 2, the 3rd pin of singlechip chip U1, the 14 pin of singlechip chip U1, the positive pole of LED is connected with the positive pole of infrared-emitting diode DR, the signal output part of infrared remote receiver U2 is connected with the 13 pin of singlechip chip U1, the negative pole of infrared remote receiver U2 is connected with the collector of the first triode VT1, the base stage of the first triode VT1 is connected with the first end of the 3rd resistance R 3, the second end of the 3rd resistance R 3 is connected with the second pin of singlechip chip U1, the second end of the second resistance R 2 is connected with the first end of the second capacitor C 2 and the 4th pin of singlechip chip U1 simultaneously, the second end while of the second capacitor C 2 and the 5th pin of singlechip chip U1, the emitter of the first triode VT1, the second end of the first capacitor C 1, the first end of the 4th capacitor C 4, the first end of the 3rd capacitor C 3, the emitter of the second triode VT2 is connected with power cathode-V, the base stage of the second triode VT2 is connected with the first end of the 5th resistance R 5, the second end of the 5th resistance R 5 is connected with the 18 pin of singlechip chip U1, the collector of the second triode VT2 is connected with the first end of the 4th resistance R 4, the second end of the 4th resistance R 4 is connected with the first end of potentiometer RP and the adjustable side of potentiometer RP simultaneously, the second end of potentiometer RP is connected with the negative pole of infrared-emitting diode DR, the second end of the 3rd capacitor C 3 is connected with the first end of crystal oscillator XT and the 16 pin of singlechip chip U1 simultaneously, the second end of the 4th capacitor C 4 is connected with the second end of crystal oscillator XT and the 15 pin of singlechip chip U1 simultaneously, the 17 pin of singlechip chip U1 is connected with the first end of the 6th resistance R 6, the second end of the 6th resistance R 6 is connected with the negative pole of LED, singlechip chip U1 selects the singlechip chip of model EM78P156E, infrared remote receiver U2 selects the infrared remote receiver of model NB0038.
As shown in Figure 1: when the utility model detecting obstacles thing, singlechip chip U1 triggers the first triode VT1 conducting, has connected the power supply of infrared remote receiver U2, the 18 pin output encoder pulse of singlechip chip U1, after the amplification of the second triode VT2, by infrared-emitting diode, DR outwards launches, can control the intensity of infrared-emitting diode DR transmitting infrared pulse signal by potentiometer RP, in the time running into barrier, infrared pulse signal can be reflected back, infrared remote receiver U2 receives after the infrared pulse signal reflecting, the output terminal output noble potential of infrared remote receiver U2, and deliver to the 13 pin of singlechip chip U1, by singlechip chip, U1 compares, to confirm that there is barrier in front, therefore the utility model can be by launching the infrared pulse signal after singlechip chip U1 coding, again the infrared pulse signal receiving is carried out to encoding ratio pair, if the infrared pulse signal receiving is consistent with the coded pulse signal of transmitting, there is barrier in front, improve the antijamming capability that utilizes infra-red detection barrier, prevent from having in catoptrical situation, the erroneous judgement producing due to the interference of light.
Claims (3)
1. a monolithic processor controlled infra-red detection circuit, is characterized in that: comprise singlechip chip, the first triode, the second triode, crystal oscillator, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, potentiometer, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, infrared-emitting diode, light emitting diode and infrared remote receiver, the first end of described the first resistance is connected with first end and the positive source of described the first electric capacity simultaneously, the second end while of described the first resistance and the positive pole of described infrared remote receiver, the first end of described the second resistance, the 3rd pin of described singlechip chip, the 14 pin of described singlechip chip, the positive pole of described light emitting diode is connected with the positive pole of described infrared-emitting diode, the signal output part of described infrared remote receiver is connected with the 13 pin of described singlechip chip, the negative pole of described infrared remote receiver is connected with the collector of described the first triode, the base stage of described the first triode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the second pin of described singlechip chip, the second end of described the second resistance is connected with the first end of described the second electric capacity and the 4th pin of described singlechip chip simultaneously, the second end while of described the second electric capacity and the 5th pin of described singlechip chip, the emitter of described the first triode, the second end of described the first electric capacity, the first end of described the 4th electric capacity, the first end of described the 3rd electric capacity, the emitter of described the second triode is connected with described power cathode, the base stage of described the second triode is connected with the first end of described the 5th resistance, the second end of described the 5th resistance is connected with the 18 pin of described singlechip chip, the collector of described the second triode is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the first end of described potentiometer and the adjustable side of described potentiometer simultaneously, the second end of described potentiometer is connected with the negative pole of described infrared-emitting diode, the second end of described the 3rd electric capacity is connected with the first end of described crystal oscillator and the 16 pin of described singlechip chip simultaneously, the second end of described the 4th electric capacity is connected with the second end of described crystal oscillator and the 15 pin of described singlechip chip simultaneously, the 17 pin of described singlechip chip is connected with the first end of described the 6th resistance, the second end of described the 6th resistance is connected with the negative pole of described light emitting diode.
2. the monolithic processor controlled infra-red detection circuit of one according to claim 1, is characterized in that: described singlechip chip is selected the singlechip chip of model EM78P156E.
3. the monolithic processor controlled infra-red detection circuit of one according to claim 1, is characterized in that: described infrared remote receiver is selected the infrared remote receiver of model NB0038.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087208.7U CN203745649U (en) | 2014-02-23 | 2014-02-23 | SCM-controlled infrared detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087208.7U CN203745649U (en) | 2014-02-23 | 2014-02-23 | SCM-controlled infrared detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745649U true CN203745649U (en) | 2014-07-30 |
Family
ID=51345433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087208.7U Expired - Fee Related CN203745649U (en) | 2014-02-23 | 2014-02-23 | SCM-controlled infrared detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745649U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511470A (en) * | 2015-12-25 | 2016-04-20 | 天津梅迪亚科技有限公司 | Intelligent inspection robot |
| CN106383444A (en) * | 2016-09-29 | 2017-02-08 | 深圳市汉莫智能科技股份有限公司 | Electronic equipment sleep and wake-up method and system thereof |
| CN107642883A (en) * | 2017-10-02 | 2018-01-30 | 广东美的制冷设备有限公司 | The control wind method, apparatus and computer-readable recording medium of floor standing air-conditioner |
| CN107894075A (en) * | 2017-10-02 | 2018-04-10 | 广东美的制冷设备有限公司 | The intelligence control wind method, apparatus and computer-readable recording medium of air-conditioning |
| CN107907884A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Object distance detection method, device, air conditioner and storage medium |
| CN108413491A (en) * | 2018-02-27 | 2018-08-17 | 珠海格力电器股份有限公司 | A kind of finger control device, air-conditioning and its finger control method |
| CN109427135A (en) * | 2017-08-31 | 2019-03-05 | 惠州市诺坚五金制品有限公司 | Automatic vending machine is put in storage detection circuit and detection method with selling commodity |
| CN109725582A (en) * | 2019-01-25 | 2019-05-07 | 南京品畅科技发展有限公司 | A kind of circuit and method of the control infrared induction distance based on digital regulation resistance |
| CN110853197A (en) * | 2019-11-28 | 2020-02-28 | 重庆汇锦工程技术(集团)有限公司 | Intelligent conference system engineering and control method |
| CN111694363A (en) * | 2020-06-24 | 2020-09-22 | 华北水利水电大学 | Robot navigation signal processing circuit |
-
2014
- 2014-02-23 CN CN201420087208.7U patent/CN203745649U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511470A (en) * | 2015-12-25 | 2016-04-20 | 天津梅迪亚科技有限公司 | Intelligent inspection robot |
| CN106383444A (en) * | 2016-09-29 | 2017-02-08 | 深圳市汉莫智能科技股份有限公司 | Electronic equipment sleep and wake-up method and system thereof |
| CN109427135A (en) * | 2017-08-31 | 2019-03-05 | 惠州市诺坚五金制品有限公司 | Automatic vending machine is put in storage detection circuit and detection method with selling commodity |
| CN107894075A (en) * | 2017-10-02 | 2018-04-10 | 广东美的制冷设备有限公司 | The intelligence control wind method, apparatus and computer-readable recording medium of air-conditioning |
| CN107907884A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Object distance detection method, device, air conditioner and storage medium |
| CN107642883A (en) * | 2017-10-02 | 2018-01-30 | 广东美的制冷设备有限公司 | The control wind method, apparatus and computer-readable recording medium of floor standing air-conditioner |
| CN107907884B (en) * | 2017-10-02 | 2021-07-16 | 广东美的制冷设备有限公司 | Object distance detection method and device, air conditioner and storage medium |
| CN108413491A (en) * | 2018-02-27 | 2018-08-17 | 珠海格力电器股份有限公司 | A kind of finger control device, air-conditioning and its finger control method |
| CN108413491B (en) * | 2018-02-27 | 2019-10-25 | 珠海格力电器股份有限公司 | A kind of finger control device, air-conditioning and its finger control method |
| CN109725582A (en) * | 2019-01-25 | 2019-05-07 | 南京品畅科技发展有限公司 | A kind of circuit and method of the control infrared induction distance based on digital regulation resistance |
| CN110853197A (en) * | 2019-11-28 | 2020-02-28 | 重庆汇锦工程技术(集团)有限公司 | Intelligent conference system engineering and control method |
| CN111694363A (en) * | 2020-06-24 | 2020-09-22 | 华北水利水电大学 | Robot navigation signal processing circuit |
| CN111694363B (en) * | 2020-06-24 | 2021-04-02 | 华北水利水电大学 | Robot navigation signal processing circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203745649U (en) | SCM-controlled infrared detection circuit | |
| CN101826243B (en) | Two-wire active infrared detection alarm system | |
| CN102983454B (en) | Artificial intelligence charging system | |
| CN103684385B (en) | A kind of jamproof photoswitch circuit | |
| CN109031325A (en) | A kind of obstacle detector based on infrared modulated, detection method and robot | |
| CN208432734U (en) | A kind of obstacle detector and robot based on infrared modulated | |
| CN207198328U (en) | A kind of infrared distance sensing device | |
| CN205232179U (en) | Remote reflector panel type photoelectric switch | |
| CN203732734U (en) | Infrared reflecting sensing module | |
| CN203724097U (en) | Height range detector | |
| CN204256870U (en) | A kind of wireless infrared alarming device | |
| CN202615379U (en) | Watchdog resetting circuit | |
| CN103655131B (en) | Infrared barrier detection crutch | |
| CN204925418U (en) | A meadow detection device for machine people that mows | |
| CN202486309U (en) | Signal transducer combining ranging and positioning | |
| CN203250375U (en) | Infrared detection alarm module | |
| CN206236257U (en) | A kind of Intelligent remote control switch | |
| CN207895070U (en) | A kind of infrared distance measuring obstacle circuit | |
| CN205679994U (en) | A kind of intelligent distance-measuring and the circuit of obstacle avoidance apparatus | |
| CN203985763U (en) | Simple and easy ultrasonic drive circuit | |
| CN203191021U (en) | Water tank water shortage detector | |
| CN205247535U (en) | Landscape gardening monitoring alarm system with communication enhance function | |
| CN210664765U (en) | Low-power-consumption circuit for infrared detection and communication | |
| CN204613934U (en) | A kind of communication interface circuit | |
| CN203397510U (en) | Anti-interference infrared intrusion sensor |
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 |
Granted publication date: 20140730 Termination date: 20150223 |
|
| EXPY | Termination of patent right or utility model |