CN203588534U - Infrared ray automatic tap control circuit for teaching - Google Patents
Infrared ray automatic tap control circuit for teaching Download PDFInfo
- Publication number
- CN203588534U CN203588534U CN201320643056.XU CN201320643056U CN203588534U CN 203588534 U CN203588534 U CN 203588534U CN 201320643056 U CN201320643056 U CN 201320643056U CN 203588534 U CN203588534 U CN 203588534U
- Authority
- CN
- China
- Prior art keywords
- resistance
- phase
- capacitor
- pin
- triode
- 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
- Domestic Plumbing Installations (AREA)
Abstract
The utility model discloses an infrared ray automatic tap control circuit for teaching. The infrared ray automatic tap control circuit comprises a reflection type infrared ray sensor LG, an amplification circuit, a phase-locked audio frequency decoding circuit, and a relay drive circuit. The amplification circuit comprises an integrated operational amplifier 741, a resistor R4 and a resistor R5. The phase-locked audio frequency decoding circuit comprises a capacitor C3, an electrolytic capacitor C4, an electrolytic capacitor C5, an electrolytic capacitor C6, a resistor R6, a resistor R8, and a phase-locked audio frequency decoding chip LM567. The relay drive circuit comprises an inverter A, a resistor R7, a triode VT2, a relay K, and a diode VD. The beneficial effects of the infrared ray automatic tap control circuit are that, the sensor, the amplification circuit, the phase-locked audio frequency decoding circuit, and the relay drive circuit are combined, thereby facilitating a student to understand cooperation effect among circuits, and improving the comprehensive circuit practical application ability of the student.
Description
Technical field
The utility model relates to a kind of control circuit, specifically infrared ray automatic faucet control circuit for a kind of teaching.
Background technology
In the teaching of traditional analog electronic technology course, when a kind of circuit of every explanation, all can overlap an experimental demonstration circuit, teacher just can demonstrate on explanation limit, limit like this, makes student can understand intuitively the principle of this circuit; After but present analog electronic technology course finishes, not by the integrated application circuit of various circuit combinations, student cannot understand cooperatively interacting between each circuit like this, because the existing circuit of practical application is socially all the synthetic circuit that has multiple circuit to be combined into, if student cannot understand the effect of cooperatively interacting between each circuit, be just unfavorable for student's processing to the synthetic circuit in real work from now on.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides infrared ray automatic faucet control circuit for a kind of teaching, sensor, amplifying circuit, phase-locked audio decoder and relay drive circuit are combined, be convenient to student and understand the effect of cooperatively interacting between each circuit, improve student's synthetic circuit actual application ability.
To achieve these goals, the technical solution adopted in the utility model is: infrared ray automatic faucet control circuit for a kind of teaching, comprises reflection infrared sensor LG, integrated transporting discharging 741, phase inverter A, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, capacitor C 1, capacitor C 2, capacitor C 3, electrochemical capacitor C4, electrochemical capacitor C5, electrochemical capacitor C6, triode VT1, triode VT2, relay K and diode VD, the emitter of triode VT1 is connected with one end of reflection infrared sensor LG by resistance R 2, one end of the collector of triode VT1 and resistance R 3, the power input of integrated transporting discharging 741, the pin 4 of phase-locked audio coding chip LM567, one end of resistance R 8, one end of relay K, the negative electrode of diode VD is connected with power supply VCC, the other end of resistance R 3 is connected with one end of capacitor C 1 with one end of reflection infrared sensor LG, the other end of capacitor C 1 is connected with the inverting input of integrated transporting discharging 741 by resistance R 4, the inverting input of integrated transporting discharging 741 is connected by resistance R 5 with output terminal, the output terminal of integrated transporting discharging 741 is connected with the pin 3 of phase-locked audio coding chip LM567 by capacitor C 2, the pin 8 of the other end of resistance R 8 and phase-locked audio coding chip LM567, the input end of phase inverter A is connected with the positive pole of electrochemical capacitor C6, the output terminal of phase inverter A is connected with the base stage of triode VT2 by resistance R 7, the anodic bonding of the collector of triode VT2 and the other end of relay K and diode VD, the negative pole of the emitter of triode VT2 and electrochemical capacitor C6, the negative pole of electrochemical capacitor C5, the negative pole of electrochemical capacitor C4, the pin 7 of phase-locked audio coding chip LM567, one end of capacitor C 3, the in-phase input end of integrated transporting discharging 741, the other end of the earth terminal of integrated transporting discharging 741 and reflection infrared sensor LG is connected and ground connection, the positive pole of electrochemical capacitor C5 is connected with the pin two of phase-locked audio coding chip LM567, the positive pole of electrochemical capacitor C4 is connected with the pin one of phase-locked audio coding chip LM567, the other end of capacitor C 3 is connected with the pin 6 of phase-locked audio coding chip LM567 and passes through resistance R 6 and is connected with the pin 5 of phase-locked audio coding chip LM567, and the pin 5 of phase-locked audio coding chip LM567 is connected with the base stage of triode VT1 by resistance R 1.
Compared with prior art, the utility model is by combining sensor, amplifying circuit, phase-locked audio decoder and relay drive circuit, be convenient to student and understand the effect of cooperatively interacting between each circuit, improved student's synthetic circuit actual application ability.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams 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, infrared ray automatic faucet control circuit for a kind of teaching, comprises reflection infrared sensor LG, integrated transporting discharging 741, phase inverter A, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, capacitor C 1, capacitor C 2, capacitor C 3, electrochemical capacitor C4, electrochemical capacitor C5, electrochemical capacitor C6, triode VT1, triode VT2, relay K and diode VD, the emitter of triode VT1 is connected with one end of reflection infrared sensor LG by resistance R 2, one end of the collector of triode VT1 and resistance R 3, the power input of integrated transporting discharging 741, the pin 4 of phase-locked audio coding chip LM567, one end of resistance R 8, one end of relay K, the negative electrode of diode VD is connected with power supply VCC, the other end of resistance R 3 is connected with one end of capacitor C 1 with one end of reflection infrared sensor LG, the other end of capacitor C 1 is connected with the inverting input of integrated transporting discharging 741 by resistance R 4, the inverting input of integrated transporting discharging 741 is connected by resistance R 5 with output terminal, the output terminal of integrated transporting discharging 741 is connected with the pin 3 of phase-locked audio coding chip LM567 by capacitor C 2, the pin 8 of the other end of resistance R 8 and phase-locked audio coding chip LM567, the input end of phase inverter A is connected with the positive pole of electrochemical capacitor C6, the output terminal of phase inverter A is connected with the base stage of triode VT2 by resistance R 7, the anodic bonding of the collector of triode VT2 and the other end of relay K and diode VD, the negative pole of the emitter of triode VT2 and electrochemical capacitor C6, the negative pole of electrochemical capacitor C5, the negative pole of electrochemical capacitor C4, the pin 7 of phase-locked audio coding chip LM567, one end of capacitor C 3, the in-phase input end of integrated transporting discharging 741, the other end of the earth terminal of integrated transporting discharging 741 and reflection infrared sensor LG is connected and ground connection, the positive pole of electrochemical capacitor C5 is connected with the pin two of phase-locked audio coding chip LM567, the positive pole of electrochemical capacitor C4 is connected with the pin one of phase-locked audio coding chip LM567, the other end of capacitor C 3 is connected with the pin 6 of phase-locked audio coding chip LM567 and passes through resistance R 6 and is connected with the pin 5 of phase-locked audio coding chip LM567, and the pin 5 of phase-locked audio coding chip LM567 is connected with the base stage of triode VT1 by resistance R 1.
Wherein, amplifying circuit is comprised of integrated transporting discharging 741, resistance R 4 and resistance R 5; Phase-locked audio decoder is comprised of capacitor C 3, electrochemical capacitor C4, electrochemical capacitor C5, electrochemical capacitor C6, resistance R 6, resistance R 8 and phase-locked audio coding chip LM567; Relay drive circuit is comprised of phase inverter A, resistance R 7, triode VT2, relay K and diode VD.
The course of work: the standard rectangular ripple that amplitude on the pin 5 of phase-locked audio coding chip LM567 is about to 4V, by resistance R 1, cause the base stage of triode VT1, make to be connected on the infrared emission tube conducting of triode VT1 emitter spatial emission modulated infrared light towards periphery, when have object near time, approaching object returns infrared light reflection to a part, by infrared receiving tube, received and be converted to corresponding alternating voltage signal, after capacitor C 1 is coupled to integrated transporting discharging 741 and amplifies, through capacitor C 2, be input to again the pin 3 of phase-locked audio coding chip LM567, after identification decoding, make pin 8 output low levels of phase-locked audio coding chip LM567, again after phase inverter A is anti-phase, drive triode VT2 conducting, make relay K adhesive, relay K is controlled the solenoid valve being arranged on water swivel and is obtained electric adhesive water outlet, when object away from after the utility model recover again waiting status, make closed electromagnetic valve water swivel stop water outlet simultaneously.Teacher just can demonstrate on explanation limit, limit like this, student can be understood from infrared ray sensor and object detected, solenoid valve to water swivel is opened, amplifying circuit, phase-locked audio decoder and the relay drive circuit of middle process are the work that how to cooperatively interact, thereby have improved student's synthetic circuit actual application ability.
Claims (1)
1. an infrared ray automatic faucet control circuit for teaching, is characterized in that, comprises reflection infrared sensor LG, integrated transporting discharging 741, phase inverter A, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, capacitor C 1, capacitor C 2, capacitor C 3, electrochemical capacitor C4, electrochemical capacitor C5, electrochemical capacitor C6, triode VT1, triode VT2, relay K and diode VD, the emitter of triode VT1 is connected with one end of reflection infrared sensor LG by resistance R 2, one end of the collector of triode VT1 and resistance R 3, the power input of integrated transporting discharging 741, the pin 4 of phase-locked audio coding chip LM567, one end of resistance R 8, one end of relay K, the negative electrode of diode VD is connected with power supply VCC, the other end of resistance R 3 is connected with one end of capacitor C 1 with one end of reflection infrared sensor LG, the other end of capacitor C 1 is connected with the inverting input of integrated transporting discharging 741 by resistance R 4, the inverting input of integrated transporting discharging 741 is connected by resistance R 5 with output terminal, the output terminal of integrated transporting discharging 741 is connected with the pin 3 of phase-locked audio coding chip LM567 by capacitor C 2, the pin 8 of the other end of resistance R 8 and phase-locked audio coding chip LM567, the input end of phase inverter A is connected with the positive pole of electrochemical capacitor C6, the output terminal of phase inverter A is connected with the base stage of triode VT2 by resistance R 7, the anodic bonding of the collector of triode VT2 and the other end of relay K and diode VD, the negative pole of the emitter of triode VT2 and electrochemical capacitor C6, the negative pole of electrochemical capacitor C5, the negative pole of electrochemical capacitor C4, the pin 7 of phase-locked audio coding chip LM567, one end of capacitor C 3, the in-phase input end of integrated transporting discharging 741, the other end of the earth terminal of integrated transporting discharging 741 and reflection infrared sensor LG is connected and ground connection, the positive pole of electrochemical capacitor C5 is connected with the pin two of phase-locked audio coding chip LM567, the positive pole of electrochemical capacitor C4 is connected with the pin one of phase-locked audio coding chip LM567, the other end of capacitor C 3 is connected with the pin 6 of phase-locked audio coding chip LM567 and passes through resistance R 6 and is connected with the pin 5 of phase-locked audio coding chip LM567, and the pin 5 of phase-locked audio coding chip LM567 is connected with the base stage of triode VT1 by resistance R 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643056.XU CN203588534U (en) | 2013-10-17 | 2013-10-17 | Infrared ray automatic tap control circuit for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643056.XU CN203588534U (en) | 2013-10-17 | 2013-10-17 | Infrared ray automatic tap control circuit for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588534U true CN203588534U (en) | 2014-05-07 |
Family
ID=50586416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320643056.XU Expired - Fee Related CN203588534U (en) | 2013-10-17 | 2013-10-17 | Infrared ray automatic tap control circuit for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588534U (en) |
-
2013
- 2013-10-17 CN CN201320643056.XU patent/CN203588534U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103063979B (en) | Load open-circuit detection circuit | |
| CN205263206U (en) | Three phase voltage phase sequence detection circuit | |
| CN104539167B (en) | Synchronous rectification control method of push-pull converter and control chip | |
| CN203933537U (en) | Automatic level control circuit | |
| CN204556715U (en) | A kind of zero cross detection circuit and convertible frequency air-conditioner | |
| CN203759106U (en) | Commercial power zero cross detection circuit | |
| CN203588534U (en) | Infrared ray automatic tap control circuit for teaching | |
| CN204903637U (en) | High accuracy alternating current signal zero -crossing detection device | |
| CN205003616U (en) | Three voltage -multiplying DC power supply circuit for computer | |
| CN204302420U (en) | A kind of switch quantity acquisition circuit | |
| CN204408334U (en) | For the twisted-pair carrier communication circuit of Automatic meter reading system | |
| CN104668736B (en) | The circuit for remotely controlling of argon arc welding machine | |
| CN208636374U (en) | A kind of a-c cycle detection circuit | |
| CN203894327U (en) | Resistive load identifying circuit | |
| CN204258650U (en) | Resistance-capacitance depressurization power circuit | |
| CN204697047U (en) | A kind of wireless receiving circuit | |
| CN202183736U (en) | Circuit applied to full wave rectifier circuit of ultrasonic liquidometer | |
| CN203492006U (en) | Signal frequency discrimination circuit for computers | |
| CN204856889U (en) | Infrared reception control unit | |
| CN204272059U (en) | There is the drive circuit of indicative function | |
| CN103825588B (en) | For extracting the circuit of square-wave signal | |
| CN204314642U (en) | Be applicable to the low power consumpting controling circuit of machine for kitchen use air detecting device | |
| CN203180885U (en) | Optical control circuit based on decimal counter pulse frequency divider | |
| CN203104370U (en) | Voltage tracking circuit | |
| CN203941225U (en) | A kind of current monitoring circuit |
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: 20140507 Termination date: 20151017 |
|
| EXPY | Termination of patent right or utility model |