CN203395327U - Infrared optically-controlled tap - Google Patents
Infrared optically-controlled tap Download PDFInfo
- Publication number
- CN203395327U CN203395327U CN201320504563.5U CN201320504563U CN203395327U CN 203395327 U CN203395327 U CN 203395327U CN 201320504563 U CN201320504563 U CN 201320504563U CN 203395327 U CN203395327 U CN 203395327U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- operational amplifier
- infrared
- 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
Images
Abstract
The utility model discloses an infrared optically-controlled tap which is characterized by comprising a 12V direct-current power supply, an infrared emission circuit, an infrared receiving circuit, a direct-current signal first-stage amplification circuit, a direct-current signal second-stage amplification and time-delay circuit, and an electromagnetic valve driving circuit, wherein the infrared emission circuit and the infrared receiving circuit are respectively composed of an infrared transmitting tube D1 and a resistor R1, and an infrared receiving tube D2 and a resistor R2; the direct-current signal first-stage amplification circuit is composed of an operational amplifier IC1, a resistor R3 and a resistor R4; an operational amplifier IC1 with the model of LM358 is selected; the direct-current signal second-stage amplification and time-delay circuit is composed of an operational amplifier IC1, a silicon switch diode D3, a resistor R5, a resistor R6 and a resistor R7; the electromagnetic valve driving circuit is composed of an NPN type triode VT1, a resistor R8 and an electromagnetic valve coil DCF. The infrared optically-controlled tap realizes the demands of simple circuit, strong anti-interference capability, low cost and the like.
Description
Technical field
The utility model belongs to Electric automatic control and water-saving technology field, relates to a kind of infrared ray control tap.
Background technique
After the nineties, due to advancing by leaps and bounds of electronic technology, inductive water tap has been done a large amount of improvement technically.Power supply to direct current supply future development, by 6V alkaline battery lithium cell till now, has been eliminated the doubt that people use Ac by Ac; Electromagnetic valve structure in water tap has also carried out significant improvement, has realized simple in structure, compact, withstand voltage, easy for assembly, disassembly and maintenancely, plays open and close and finishes rapidly, and power consumption is minimum; Infrared control module adopts paster welding electronic component in a large number, greatly dwindles the volume of infrared control module, has micro-power consumption, waterproof, the advantage such as high temperature resistant.
At present, infrared ray control tap mainly contains two kinds:
1. shading type infrared rays auto-switch tap, when people stretches out one's hand washing, blocks infrared beam, and water tap is automatically opened and discharged water; Wash complete people and leave, time delay discharges water and automatically closes and cut off the water afterwards for 15 seconds.
2. infrared ray control tap, the circuit of infrared ray control tap is divided into sends out, receives two-part, and be placed in the both sides of water tap, when staff approaches water tap, the infrared rays that infrared transmitting tube sends reflexes to infrared receiving tube through staff, receiving tube is automatically converted to electrical signal after receiving the optical signal of reflection, through subsequent conditioning circuit, further amplifies, and finally by drive circuit, controls the solenoid valve action tap of fetching boiling water; When staff is during away from water tap, receiving tube does not receive the optical signal of reflection, and drive circuit disconnects power of electromagnetic valve, and water tap is closed automatically.
The part defect that product exists now: adopt Alternating Current Power Supply to install inconvenient, power supply contacts the worry that probably has electric shock with water, in case of power failure water tap just can not normally be used; Infrared induction is subject to bias light and direct sunlight impact, sometimes causes non-working condition down-flow water; The infrared ray control tap battery life of direct current supply is short, must often change battery.Above-mentioned many defects, make to a certain extent infrared ray control tap promote and are affected.
IR control tap described in the utility model has overcome above-mentioned many defects, has realized that circuit structure is succinct, antijamming capability is strong, reliable working performance, circuit are all used that ordinary electronic components and parts are made, the requirement such as cheap.IR control tap can be widely used in the public places such as hotel, hotel, office building, public lavatory, hospital, passenger station, airport.
Below describe infrared ray control tap described in the utility model related relevant technologies content in implementation process in detail.
Model utility content
Goal of the invention and beneficial effect: IR control tap described in the utility model has realized that circuit structure is succinct, antijamming capability is strong, reliable working performance, circuit are all used that ordinary electronic components and parts are made, the requirement such as cheap.IR control tap can be widely used in the public places such as hotel, hotel, office building, public lavatory, hospital, passenger station, airport.
Circuit working principle: in the circuit of IR control tap, the VDC that is added to water tap only has l2V, and user is not existed to potential safety hazard.L2V DC electrical source offers infrared light emission pipe D1 work, when infrared acceptor D2 receives after faint human body infrared reflected signal, convert thereof into direct current signal, the 3rd pin positive input terminal that this direct current signal is coupled to first order operational amplifier IC1 amplifies, the 2nd pin negative input end of operational amplifier IC1 adds a little bias voltage, prevents that small-signal from disturbing.The 5th pin positive input terminal that signal from the 3rd pin output of operational amplifier IC1 is amplified is delivered to second level operational amplifier IC1 is as voltage comparator, and the turnover voltage of comparator is determined by the external resistance R 5 of the 6th pin negative input end of second level operational amplifier IC1, resistance R 6 partial pressure value.Resistance R 7 is positive feedback resistors of operational amplifier IC1, and it and electrochemical capacitor C1 form delay circuit, and while preventing physical activity, infrared signal interrupts occurring to interrupt water supply phenomenon.When the 7th pin output high level of second level operational amplifier IC1, NPN type triode VT1 conducting, controls the solenoid valve DCF tap of fetching boiling water and discharges water.
Technological scheme: infrared ray control tap, it comprises 12V DC electrical source, infrared light emission circuit and infrared light receiving circuit, direct current signal one-level amplification circuit, the amplification of direct current signal secondary and delay circuit, driving circuit for electromagnetic valve, it is characterized in that:
Infrared light emission circuit and infrared light receiving circuit: it is comprised of infrared light emission pipe D1 and resistance R 1, infrared acceptor D2 and resistance R 2, the anodal VCC of anodal connection circuit of infrared light emission pipe D1, the negative pole of infrared light emission pipe D1 is by resistance R 1 connection circuit ground GND, the anodal VCC of anodal connection circuit of infrared acceptor D2, the negative pole of infrared acceptor D2 is by resistance R 2 connection circuit ground GND, and the negative pole of infrared acceptor D2 connects direct current signal one-level amplification circuit;
Direct current signal one-level amplification circuit: it is comprised of operational amplifier IC1, resistance R 3 and resistance R 4, operational amplifier IC1 the 3rd pin connects the negative pole of infrared acceptor D2, one end of operational amplifier IC1 the 2nd pin connecting resistance R3 one end and resistance R 4, the other end of resistance R 3 and the anodal VCC of operational amplifier IC1 the 8th pin connection circuit, the other end of resistance R 4 and operational amplifier IC1 the 4th pin connection circuit ground GND, the 1st pin of operational amplifier IC1 connects direct current signal second amplifying circuit;
Direct current signal secondary amplifies and delay circuit: it is by operational amplifier IC1, transwitch diode D3, resistance R 5, resistance R 6 and resistance R 7 form, operational amplifier IC1 the 5th pin connects the negative pole of transwitch diode D3 and one end of resistance R 7, the positive pole of transwitch diode D3 connects the 1st pin of operational amplifier IC1, one end of operational amplifier IC1 the 6th pin connecting resistance R5 one end and resistance R 6, the anodal VCC of the other end connection circuit of resistance R 5, the other end connection circuit ground GND of resistance R 6, operational amplifier IC1 the 7th the other end of pin connecting resistance R7 and positive pole and the driving circuit for electromagnetic valve of electrochemical capacitor C1, the negative pole connection circuit ground GND of electrochemical capacitor C1,
Driving circuit for electromagnetic valve: it is comprised of NPN type triode VT1, resistance R 8, electromagnetic valve coil DCF, the base stage of NPN type triode VT1 connects operational amplifier IC1 the 7th pin by resistance R 8, the collector electrode of NPN type triode VT1 passes through the anodal VCC of electromagnetic valve coil DCF connection circuit, the emitter connection circuit ground GND of NPN type triode VT1;
12V DC power anode is connected with circuit anode VCC, and 12V DC power cathode is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing is embodiment's circuit working schematic diagram of infrared ray control tap that the utility model provides.
Embodiment
According to the circuit working schematic diagram of infrared ray control tap shown in the drawings and accompanying drawing explanation, and according to annexation between components and parts in the each several part circuit described in model utility content, and the components and parts technical parameter described in mode of execution requires and circuit production main points are implemented to realize the utility model, below in conjunction with embodiment, correlation technique of the present utility model is further described.
The selection of components and parts and technical parameter thereof
| Element number | Components and parts title | Technical parameter | Quantity | Remarks | |
| D1 | Infrared light emission pipe | Diameter 5mm | 1 | ? | |
| D2 | Infrared acceptor | Diameter 5mm | 1 | ? | |
| D3 | Transwitch | 1N4148 | 1 | Glassivation | |
| IC1 | Operational amplifier | LM358 | 1 | The direct insertion plastic packaging of DIP | |
| VT1 | NPN type triode | 2SC8050、β≥120 | 1 | ? | |
| R1 | Resistance | 1/4W、 |
1 | ? |
| | Resistance | 1/4W、6.8 |
1 | ? | |
| R3 | Resistance | 1/4W、 |
1 | ? | |
| | Resistance | 1/4W、 |
1 | ? | |
| R5 | Resistance | 1/4W、 |
1 | ? | |
| R6 | Resistance | 1/4W、 |
1 | ? | |
| R7 | Resistance | 1/4W、 |
1 | ? | |
| R8 | Resistance | 1/4W、 |
1 | ? | |
| C1 | | 10μF | 1 | Adjust as required capacity | |
| DCF | Solenoid valve | Model: DF0618L | 1 cover | Feedwater bore 15mm | |
| |
12V DC electrical source | 8W D.C. regulated |
1 | ? |
Circuit production main points and circuit debugging
Because of the circuit structure of infrared ray control tap fairly simple, as long as the electronic parts and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing is welded to specifications, physical connection line and welding quality are after careful inspection is correct, and circuit of the present utility model does not substantially need to carry out any debugging and can work;
Infrared transmitting tube and receiving tube are installed and can not be too near to, and will have light isolation baffle plate between the two, prevent from producing and disturbing and misoperation mutually;
Sensitization light inlet window at infrared transmitting tube and receiving tube front end can be used dark epoxide resin material, also can adopt crimson plexiglass to replace, and they all can prevent that visible ray from disturbing preferably;
It is l2V that solenoid valve DCF selects DC electrical source voltage, and the solenoid valve that power is approximately 5 watts also can adopt water solenoid valve on washing machine to replace;
Applied hydraulic pressure is 0.05～0.6MPa;
Environmental Conditions temperature is 0 ℃～45 ℃;
Environmental Conditions humidity is 95%RH.
Claims (1)
1. an infrared ray control tap, it comprises 12V DC electrical source, infrared light emission circuit and infrared light receiving circuit, direct current signal one-level amplification circuit, the amplification of direct current signal secondary and delay circuit, driving circuit for electromagnetic valve, it is characterized in that:
Described infrared light emission circuit and infrared light receiving circuit are comprised of infrared light emission pipe D1 and resistance R 1, infrared acceptor D2 and resistance R 2, the anodal VCC of anodal connection circuit of infrared light emission pipe D1, the negative pole of infrared light emission pipe D1 is by resistance R 1 connection circuit ground GND, the anodal VCC of anodal connection circuit of infrared acceptor D2, the negative pole of infrared acceptor D2 is by resistance R 2 connection circuit ground GND, and the negative pole of infrared acceptor D2 connects direct current signal one-level amplification circuit;
Described direct current signal one-level amplification circuit is comprised of operational amplifier IC1, resistance R 3 and resistance R 4, the model that operational amplifier IC1 selects is LM358, operational amplifier IC1 the 3rd pin connects the negative pole of infrared acceptor D2, one end of operational amplifier IC1 the 2nd pin connecting resistance R3 one end and resistance R 4, the other end of resistance R 3 and the anodal VCC of operational amplifier IC1 the 8th pin connection circuit, the other end of resistance R 4 and operational amplifier IC1 the 4th pin connection circuit ground GND, the 1st pin of operational amplifier IC1 connects direct current signal second amplifying circuit;
Described direct current signal secondary amplification and delay circuit are by operational amplifier IC1, transwitch diode D3, resistance R 5, resistance R 6 and resistance R 7 form, operational amplifier IC1 the 5th pin connects the negative pole of transwitch diode D3 and one end of resistance R 7, the positive pole of transwitch diode D3 connects the 1st pin of operational amplifier IC1, one end of operational amplifier IC1 the 6th pin connecting resistance R5 one end and resistance R 6, the anodal VCC of the other end connection circuit of resistance R 5, the other end connection circuit ground GND of resistance R 6, operational amplifier IC1 the 7th the other end of pin connecting resistance R7 and positive pole and the driving circuit for electromagnetic valve of electrochemical capacitor C1, the negative pole connection circuit ground GND of electrochemical capacitor C1,
Described driving circuit for electromagnetic valve is comprised of NPN type triode VT1, resistance R 8, electromagnetic valve coil DCF, the base stage of NPN type triode VT1 connects operational amplifier IC1 the 7th pin by resistance R 8, the collector electrode of NPN type triode VT1 passes through the anodal VCC of electromagnetic valve coil DCF connection circuit, the emitter connection circuit ground GND of NPN type triode VT1;
Described 12V DC power anode is connected with circuit anode VCC, and 12V DC power cathode is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504563.5U CN203395327U (en) | 2013-08-19 | 2013-08-19 | Infrared optically-controlled tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504563.5U CN203395327U (en) | 2013-08-19 | 2013-08-19 | Infrared optically-controlled tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395327U true CN203395327U (en) | 2014-01-15 |
Family
ID=49906860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504563.5U Expired - Fee Related CN203395327U (en) | 2013-08-19 | 2013-08-19 | Infrared optically-controlled tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398204A (en) * | 2013-08-19 | 2013-11-20 | 何林 | Infrared light-operated faucet |
-
2013
- 2013-08-19 CN CN201320504563.5U patent/CN203395327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398204A (en) * | 2013-08-19 | 2013-11-20 | 何林 | Infrared light-operated faucet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103292007B (en) | Inductive water-saving water faucet | |
| CN103398204A (en) | Infrared light-operated faucet | |
| CN205544400U (en) | Battery management system of low -power consumption standby | |
| CN203759455U (en) | Household water leakage detection device | |
| CN203395327U (en) | Infrared optically-controlled tap | |
| CN205276412U (en) | Human body is close automatic washing unit of formula time delay male sex urinal | |
| CN103758193A (en) | Automatic human body proximity flushing device of urinal | |
| CN205619508U (en) | Survey air conditioner standby controller of human infrared radiation | |
| CN201195876Y (en) | Automatic flushing water economizer of human body induction urinal | |
| CN202095140U (en) | Solution for working power source of two-wire system electronic switch | |
| CN203421250U (en) | Faucet with delay and automatic water supply cut-off functions | |
| CN209606820U (en) | A kind of electromagnetic valve energy-saving protection controller | |
| CN202274650U (en) | Water heater with constant current anticorrosion control device | |
| CN208508780U (en) | A kind of electric appliance super-low standby power consumption circuit | |
| CN110345643A (en) | Water heater external hot water circuit control system and control method | |
| CN104914753A (en) | Hydropower automation control detection system | |
| CN103199839A (en) | Light-operated anti-theft device | |
| CN203270735U (en) | Urinal control device | |
| CN204728429U (en) | Radar scanning formula Male urine pond automatic flushing device | |
| CN203135833U (en) | Optical control anti-theft device | |
| CN106020049A (en) | Tap intelligent control system | |
| CN211954593U (en) | Oil leakage monitoring system for oil filtering stage of transformer | |
| CN101289875A (en) | Human body induction urinal automatic flushing water saver | |
| CN207905015U (en) | Whole coupling rack device for the prefabricated water pump in pump station of fiberglass | |
| CN203135832U (en) | Anti-theft device employing empty fort strategy and made of photosensitive resistor |
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: 20140115 Termination date: 20140819 |
|
| EXPY | Termination of patent right or utility model |