CN205479605U - High -power solenoid valve isolating driver ware - Google Patents
High -power solenoid valve isolating driver ware Download PDFInfo
- Publication number
- CN205479605U CN205479605U CN201620322279.XU CN201620322279U CN205479605U CN 205479605 U CN205479605 U CN 205479605U CN 201620322279 U CN201620322279 U CN 201620322279U CN 205479605 U CN205479605 U CN 205479605U
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- optocoupler
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- diode
- light emitting
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Abstract
The utility model relates to a high -power solenoid valve isolating driver ware, including electric signal isolation control circuit and drive circuit, electric signal isolation control circuit include the opto -coupler, drive circuit include the PMOS pipe, 1 foot of input of opto -coupler connect the host computer power, 2 foot connection control signal input part, the G utmost point of PMOS pipe is connected through drop -down grounding, 4 foot to 3 feet of output of opto -coupler, the S of PMOS pipe extremely connect the isolation power, the D of PMOS pipe extremely connect the output, provide one kind and has adopted PMOS to replace relay coil, long service life, takes up an area of little, convenient control, response speed is fast, the action not to be vibrated, the high -power solenoid valve isolating driver ware that can work for a long time under the humid tropical condition.
Description
Technical field
This utility model relates to and servo-driver technical field, particularly relates to a kind of large power, electrically magnet valve driver for isolating.
Background technology
Along with the development of Power Electronic Technique, microelectric technique and modern control theory, servo-driver has been widely used for industry-by-industry.At present, commonly used large power, electrically magnet valve driver for isolating includes control relay circuit, relay circuit, and the optical coupling isolation circuit being connected between control relay circuit and relay circuit.
Such as notification number is that " a kind of relay isolation drive device " Chinese utility model patent document of CN202650987U discloses " a kind of relay isolation drive device; it includes an optically coupled circuit, control system and relay unit, and control system passes to load equipment after signal is passed to relay unit；Optically coupled circuit is located between control system and relay unit, the signal of telecommunication that control system exports is converted into optical signal, is then converted to the signal of telecommunication, passes to relay unit.”
Notification number is that " a kind of control relay circuit " Chinese utility model patent document of CN104241024A discloses that " a kind of control relay circuit drives relay circuit including electric signal isolation control circuit and connected audion；Isolation control circuit includes optocoupler, pull-up resistor and Single-chip Controlling signal input part, and input one pin of optocoupler connects power supply by pull-up resistor, and another pin accesses Single-chip Controlling signal input part；The outfan parallel connection PNP type triode of optocoupler drives relay circuit.”
Above-mentioned two patent documentation all make use of optocoupler input and output to be mutually isolated, and makes signal of telecommunication transmission have the features such as unipolarity, has good electrical isolation capabilities and capacity of resisting disturbance.
But, above-mentioned prior art is the most perfect.Such as, in large power, electrically magnet valve driver for isolating, there is mechanical aging and contact oxidation problem in relay coil, and relay there will be arcing in course of action, there will be loose contact, misoperation under the conditions of hot and humid.Response speed is slow, and inconvenience and the host computer such as PLC, numerical control are directly connected to use.
Utility model content
Technical problem to be solved in the utility model is for the above-mentioned problems in the prior art, provide a kind of PMOS of employing and replace relay coil, service life is long, take up an area little, convenient control, fast response time, action no vibration, the large power, electrically magnet valve driver for isolating that can work long hours under the conditions of hot and humid.
For solving the problems referred to above, a kind of technical scheme of the present utility model is:
This utility model one large power, electrically magnet valve driver for isolating, including electric signal isolation control circuit and drive circuit, described electric signal isolation control circuit includes that optocoupler, described drive circuit include PMOS；Input 1 foot of described optocoupler connects host computer power supply, 2 foot connection control signal inputs, outfan 3 foot of optocoupler passes through pull down resistor ground connection, and 4 feet connect the G pole of PMOS, the S pole of described PMOS connects insulating power supply, and the D pole of described PMOS connects outfan.
Preferably, outfan 4 foot of described optocoupler connects insulating power supply by the first diode；Outfan 4 foot of the optocoupler described in anode connection of the first described diode, the insulating power supply described in negative electrode connection of the first described diode；First described diodes in parallel the first resistance.
Preferably, described outfan includes OUT terminal mouth and COM port；Connecting the second diode between described OUT terminal mouth and COM port, the anode of the second described diode connects COM port, and the negative electrode of described the second described diode connects OUT terminal mouth.
Preferably, connecting the first light emitting diode and the second resistance between described OUT terminal mouth and COM port, the circuit of the first described light emitting diode and the second resistance concatenation is parallel with one another with the second described diode；The anode of the first described light emitting diode connects OUT terminal mouth, and the negative electrode of the first described light emitting diode connects COM port.
Preferably, connect between input 1 foot and the host computer power supply of described optocoupler pull-up resistor.
Preferably, input 2 foot of described optocoupler U6 is connected the second light emitting diode Z6, the cathodic control signal input part of the second described light emitting diode Z6, and anode connects 2 feet of optocoupler.
This utility model uses PMOS as large power, electrically magnet valve driver for isolating, instead of relay coil, and service life is long, take up an area little, convenient control, fast response time, action no vibration, the large power, electrically magnet valve driver for isolating that can work long hours under the conditions of hot and humid.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Detailed description of the invention
Further describe this utility model below in conjunction with the accompanying drawings with embodiment, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, this utility model one large power, electrically magnet valve driver for isolating, including electric signal isolation control circuit and drive circuit, described electric signal isolation control circuit includes that optocoupler U6, described drive circuit include PMOS Q6；Input 1 foot of described optocoupler U6 connects host computer power supply, 2 foot connection control signal inputs, outfan 3 foot of optocoupler U6 passes through pull down resistor ground connection, and 4 feet connect the G pole of PMOS Q6, the S pole of described PMOS Q6 connects insulating power supply, and the D pole of described PMOS Q6 connects outfan.Outfan 4 foot of described optocoupler U6 connects insulating power supply by the first diode D06；Outfan 4 foot of the optocoupler U6 described in anode connection of the first described diode D06, the insulating power supply described in negative electrode connection of the first described diode D06；The first described diode D06 the first resistance R116 in parallel.Described outfan includes OUT terminal mouth and COM port；The anode connecting the second diode D12, the second described diode D12 between described OUT terminal mouth and COM port connects COM port, and the negative electrode of described the second described diode D12 connects OUT terminal mouth.The circuit connecting the first light emitting diode D66 and the second resistance R106, the first described light emitting diode D66 and the second resistance R106 concatenation between described OUT terminal mouth and COM port is parallel with one another with the second described diode D12；The anode of the first described light emitting diode D66 connects OUT terminal mouth, and the negative electrode of the first described light emitting diode D66 connects COM port.Connect between input 1 foot and the host computer power supply of described optocoupler U6 pull-up resistor R123.Connect on input 2 foot of described optocoupler U6 the second light emitting diode Z6, the cathodic control signal input part of the second described light emitting diode Z6, and anode connects 2 feet of optocoupler.
The signal of telecommunication of control signal is first passed to described optocoupler U6 by this utility model electric signal isolation control circuit, described optocoupler U6 includes light emitting diode and phototriode, the signal of telecommunication is transferred to described light emitting diode, light emitting diode converts electrical signals to optical signal, then passes to the base stage of phototriode and be converted into signal of telecommunication output；The colelctor electrode (i.e. 4 feet of optocoupler U6) of described phototriode connects the G pole of PMOS Q6, and the signal of telecommunication of order output controls the on or off of PMOS Q6.The S pole of described PMOS Q6 connects insulating power supply, when the VGS of PMOS Q6 is for time negative, and PMOS Q6 turns on.
In described above, all that do not add special instruction, all use technological means of the prior art.
Claims (6)
1. a large power, electrically magnet valve driver for isolating, including electric signal isolation control circuit and drive circuit, described electric signal isolation control circuit includes optocoupler U6, it is characterised in that: described drive circuit includes PMOS Q6；Input 1 foot of described optocoupler U6 connects host computer power supply, 2 foot connection control signal inputs, outfan 3 foot of optocoupler U6 passes through pull down resistor R101 ground connection, and 4 feet connect the G pole of PMOS Q6, the S pole of described PMOS Q6 connects insulating power supply, and the D pole of described PMOS Q6 connects outfan.
A kind of large power, electrically magnet valve driver for isolating the most according to claim 1, it is characterised in that: outfan 4 foot of described optocoupler U6 connects insulating power supply by the first diode D06；Outfan 4 foot of the optocoupler U6 described in anode connection of the first described diode D06, the insulating power supply described in negative electrode connection of the first described diode D06；The first described diode D06 the first resistance R116 in parallel.
A kind of large power, electrically magnet valve driver for isolating the most according to claim 1, it is characterised in that: described outfan includes OUT terminal mouth and COM port；The anode connecting the second diode D12, the second described diode D12 between described OUT terminal mouth and COM port connects COM port, and the negative electrode of described the second described diode D12 connects OUT terminal mouth.
A kind of large power, electrically magnet valve driver for isolating the most according to claim 3, it is characterized in that: the circuit connecting the first light emitting diode D66 and the second resistance R106, the first described light emitting diode D66 and the second resistance R106 concatenation between described OUT terminal mouth and COM port is parallel with one another with the second described diode D12；The anode of the first described light emitting diode D66 connects OUT terminal mouth, and the negative electrode of the first described light emitting diode D66 connects COM port.
A kind of large power, electrically magnet valve driver for isolating the most according to claim 1, it is characterised in that: connect between input 1 foot and the host computer power supply of described optocoupler U6 pull-up resistor R123.
A kind of large power, electrically magnet valve driver for isolating the most according to claim 1, it is characterized in that: connect on input 2 foot of described optocoupler U6 the second light emitting diode Z6, the cathodic control signal input part of the second described light emitting diode Z6, anode connects 2 feet of optocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322279.XU CN205479605U (en) | 2016-04-18 | 2016-04-18 | High -power solenoid valve isolating driver ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322279.XU CN205479605U (en) | 2016-04-18 | 2016-04-18 | High -power solenoid valve isolating driver ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479605U true CN205479605U (en) | 2016-08-17 |
Family
ID=56640328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620322279.XU Expired - Fee Related CN205479605U (en) | 2016-04-18 | 2016-04-18 | High -power solenoid valve isolating driver ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867343A (en) * | 2019-11-20 | 2020-03-06 | 广州金升阳科技有限公司 | Contactor coil isolation control circuit and isolation control method thereof |
-
2016
- 2016-04-18 CN CN201620322279.XU patent/CN205479605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867343A (en) * | 2019-11-20 | 2020-03-06 | 广州金升阳科技有限公司 | Contactor coil isolation control circuit and isolation control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200418 |