CN203880192U - Remote drive-by-wire electromagnetic water valve - Google Patents
Remote drive-by-wire electromagnetic water valve Download PDFInfo
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- CN203880192U CN203880192U CN201420006637.7U CN201420006637U CN203880192U CN 203880192 U CN203880192 U CN 203880192U CN 201420006637 U CN201420006637 U CN 201420006637U CN 203880192 U CN203880192 U CN 203880192U
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- water valve
- electromagnetic water
- rectifier diode
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Abstract
The utility model relates to a remote drive-by-wire electromagnetic water valve. The remote drive-by-wire electromagnetic water valve is characterized in that a control voltage Vab, a 12 V DC electrical source, a control voltage input and photocoupling circuit and an electromagnetic water valve drive circuit are included. The control voltage input and photocoupling circuit is composed of the control voltage Vab, a silicon rectifier diode D1 and a photoelectric coupler IC1. The adopted model of the photoelectric coupler IC1 is 4N3 or 4N26. A field-effect transistor drive circuit is composed of an N channel enhancement mode high-power field-effect transistor VT1, a resistor R1, a silicon rectifier diode D2 and an electromagnetic water valve DCF. The adopted model of the N channel enhancement mode high-power field-effect transistor VT1 is IRFZ22. The remote drive-by-wire electromagnetic water valve is in a photoelectric control isolation type. An optoelectronic isolation insulation voltage can reach thousands of volts. For the reason that the on resistance of an MOSFET transistor is quite small, the remote drive-by-wire electromagnetic water valve has the advantages of being minimal in working loss, high in switching speed, capable of being widely used on the aspect of remote brake control and the like.
Description
Technical field
The invention belongs to electronic remote control technique field, is about a kind of long-range line traffic control electromagnetic water valve.
Background technique
At present, electronic control water 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; When washing Bi Renti and leaving, auto-closed water tap after time delay discharges water some 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 electromagnetic water valve 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 electromagnetic water valve power supply, and water tap is closed automatically.
Long-range line traffic control electromagnetic water valve of the present invention belongs to electronic control water tap category, and it is grouped into by controlling voltage segment, photoelectric coupler isolation part and power control section.According to practical application, the present invention is photoelectric control isolated form, photoelectricity isolated insulation voltage can reach several kilovolts, because of the on resistance of MOSFET pipe very little, therefore it has the advantages such as electromagnetic water valve working loss is minimum, switching speed is fast, realized circuit structure and succinctly, be not subject to various opto-magnetic signal interference, reliable working performance, all use that ordinary electronic components and parts are made, the requirement such as cheap, it is having a lot of application aspect long-range braking control.
Below describe long-range line traffic control electromagnetic water valve of the present invention related relevant technologies content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: long-range line traffic control electromagnetic water valve of the present invention belongs to electronic control water tap category, it by electric control splenium divide, photoelectric coupler isolation part and power control section be grouped into.According to practical application, the present invention is photoelectric control isolated form, photoelectricity isolated insulation voltage can reach several kilovolts, because of the on resistance of MOSFET pipe very little, therefore it has the advantages such as electromagnetic water valve working loss is minimum, switching speed is fast, realized circuit structure and succinctly, be not subject to various opto-magnetic signal interference, reliable working performance, all use that ordinary electronic components and parts are made, the requirement such as cheap, it is having a lot of application aspect long-range braking control.
Circuit working principle: long-range line traffic control electromagnetic water valve forms by controlling voltage Vab, silicon rectifier diode D1, photo coupler IC1, N channel enhancement high-power FET VT1 and resistance R 1, silicon rectifier diode D1, electromagnetic water valve DCF and 12V DC electrical source.
When not adding control voltage Vab, the infrarede emitting diode in photo coupler IC1 is not luminous, phototriode cut-off, and N channel enhancement high-power FET VT1 also ends, and electromagnetic water valve DCF does not work without electricity; After adding control voltage Vab, when having certain electric current to pass through the infrarede emitting diode in photo coupler IC1, make the phototriode saturation conduction in photo coupler IC1, the Vce of phototriode only has a few volt voltage at zero point, institute is so that N channel enhancement high-power FET VT1 conducting, the drain electrode and the source electrode that are equivalent to N channel enhancement high-power FET VT1 are closed, and now electromagnetic water valve DCF obtains electric starting working.
At the two ends of electromagnetic water valve DCF coil and to meet 1 silicon rectifier diode D2 be the induced potential and the stack of 12V DC electrical source voltage and damage N channel enhancement high-power FET VT1 in order to prevent that electromagnetic water valve DCF coil from producing in power-off moment.
In controlling voltage Vab loop, be connected in series silicon rectifier diode D1, in use, control voltage Vab and both can carry out telecontrol by input direct voltage, also can carry out telecontrol by input ac voltage.
Technological scheme: long-range line traffic control electromagnetic water valve, it comprises controls voltage Vab, 12V DC electrical source, control voltage input and photoelectric coupling circuit, electromagnetic water valve drive circuit, it is characterized in that:
Control voltage input and photoelectric coupling circuit: it by controlling voltage Vab, silicon rectifier diode D1, photo coupler IC1 forms, control the positive pole of voltage Va termination silicon rectifier diode D1, the negative pole of silicon rectifier diode D1 connects the 1st pin of photo coupler IC1, controls the 2nd pin of voltage Vb termination photo coupler IC1;
Electromagnetic water valve drive circuit: it is by N channel enhancement high-power FET VT1, resistance R 1, silicon rectifier diode D2 and electromagnetic water valve DCF form, the model that N channel enhancement high-power FET VT1 selects is IRFZ22, the grid of one end of the 4th pin connecting resistance R1 of photo coupler IC1 and N channel enhancement high-power FET VT1, the source electrode connection circuit ground GND of the other end of resistance R 1 and N channel enhancement high-power FET VT1, the anodal VCC of the 5th pin connection circuit of photo coupler IC1, the anodal VCC of one termination circuit of the negative pole of silicon rectifier diode D2 and electromagnetic water valve DCF coil, the other end of electromagnetic water valve DCF coil and the positive pole of silicon rectifier diode D2 connect the drain electrode of N channel enhancement high-power FET VT1,
The anodal VCC of anodal connection circuit of 12V DC electrical source, the negative pole connection circuit ground GND of 12V DC electrical source.
Accompanying drawing explanation
Accompanying drawing is embodiment's circuit working schematic diagram of long-range line traffic control electromagnetic water valve provided by the invention; Control voltage Vab in accompanying drawing both can input dc power, also can input AC electricity.
Embodiment
According to long-range line traffic control electromagnetic water valve circuit working schematic diagram shown in the drawings and accompanying drawing explanation, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in mode of execution requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The technical parameter of components and parts and selection thereof
IC1 is photo coupler, and the model of selecting is 4N3 or 4N26, and photo coupler is selected DIP dual-inline package, be 6 pin DIP encapsulation, the 3rd pin is empty pin, the 6th pin is unsettled need not, its insulation voltage > 5000V, wherein the exemplary operation voltage 1.2V of light emitting diode;
VT1 is N channel enhancement high-power FET, and the model of selecting is IRFZ22, and its packing forms is TO-220;
D1 is silicon rectifier diode, and the model of selecting is 1N4001;
Resistance adopts RTX-1/4W type metal film resister, and the resistance of resistance R 1 is 15K Ω;
DCF is electromagnetic water valve, and its model of selecting is: DF0618L, and feedwater bore 15mm, the VDC of electromagnetic water valve DCF coil is l2V, the about 2W of power, maximum operating currenbt is about 150mA, and electromagnetic water valve DCF also can adopt water electromagnetic water valve on washing machine.
Circuit production main points and circuit debugging method
Because of the circuit structure of long-range line traffic control electromagnetic water valve 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 invention does not need to carry out any debugging and can normally work;
Smaller because of the loss of N channel enhancement high-power FET VT1, heating value is little, can be without installation of heat radiator during making;
The voltage range of the control voltage Vab of long-range line traffic control electromagnetic water valve is 3～4V, controls voltage Vab and both can use direct current, also can use Ac to carry out telecontrol;
The ambient temperature that the present invention uses is 1 ℃～55 ℃; Ambient humidity is 95%RH; Applicable tap water hydraulic is 0.05～0.6Mpa.
Claims (1)
1. a long-range line traffic control electromagnetic water valve, it comprise control voltage Vab, 12V DC electrical source, control voltage input and photoelectric coupling circuit, electromagnetic water valve drive circuit, it is characterized in that:
The input of described control voltage and photoelectric coupling circuit by controlling voltage Vab, silicon rectifier diode D1, photo coupler IC1 forms, the model that photo coupler IC1 selects is 4N3 or 4N26, control the positive pole of voltage Va termination silicon rectifier diode D1, the negative pole of silicon rectifier diode D1 connects the 1st pin of photo coupler IC1, controls the 2nd pin of voltage Vb termination photo coupler IC1;
Described electromagnetic water valve drive circuit is by N channel enhancement high-power FET VT1, resistance R 1, silicon rectifier diode D2 and electromagnetic water valve DCF form, the model that N channel enhancement high-power FET VT1 selects is IRFZ22, the grid of one end of the 4th pin connecting resistance R1 of photo coupler IC1 and N channel enhancement high-power FET VT1, the source electrode connection circuit ground GND of the other end of resistance R 1 and N channel enhancement high-power FET VT1, the anodal VCC of the 5th pin connection circuit of photo coupler IC1, the anodal VCC of one termination circuit of the negative pole of silicon rectifier diode D2 and electromagnetic water valve DCF coil, the other end of electromagnetic water valve DCF coil and the positive pole of silicon rectifier diode D2 connect the drain electrode of N channel enhancement high-power FET VT1,
The anodal VCC of anodal connection circuit of described 12V DC electrical source, the negative pole connection circuit ground GND of 12V DC electrical source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006637.7U CN203880192U (en) | 2014-01-06 | 2014-01-06 | Remote drive-by-wire electromagnetic water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006637.7U CN203880192U (en) | 2014-01-06 | 2014-01-06 | Remote drive-by-wire electromagnetic water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880192U true CN203880192U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006637.7U Expired - Fee Related CN203880192U (en) | 2014-01-06 | 2014-01-06 | Remote drive-by-wire electromagnetic water valve |
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| Country | Link |
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| CN (1) | CN203880192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867781A (en) * | 2014-04-14 | 2014-06-18 | 周云侠 | Remote drive-by-wire electromagnetic water valve |
| CN105299288A (en) * | 2015-11-23 | 2016-02-03 | 周云侠 | Touch type delay faucet |
-
2014
- 2014-01-06 CN CN201420006637.7U patent/CN203880192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867781A (en) * | 2014-04-14 | 2014-06-18 | 周云侠 | Remote drive-by-wire electromagnetic water valve |
| CN105299288A (en) * | 2015-11-23 | 2016-02-03 | 周云侠 | Touch type delay faucet |
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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 |
Granted publication date: 20141015 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |