CN206993080U - Photoelectric coupling safety electronic switch - Google Patents
Photoelectric coupling safety electronic switch Download PDFInfo
- Publication number
- CN206993080U CN206993080U CN201720658136.0U CN201720658136U CN206993080U CN 206993080 U CN206993080 U CN 206993080U CN 201720658136 U CN201720658136 U CN 201720658136U CN 206993080 U CN206993080 U CN 206993080U
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- CN
- China
- Prior art keywords
- relay
- triode
- fixed value
- switch
- photoelectrical coupler
- 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
- 230000008878 coupling Effects 0.000 title claims abstract description 13
- 238000010168 coupling process Methods 0.000 title claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 6
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
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- Electronic Switches (AREA)
Abstract
A kind of photoelectric coupling Safety electronic switch is the utility model is related to, belongs to electrical and electronic technology field.The utility model includes transformer, rectifier bridge stack, electrochemical capacitor, three-terminal voltage-stabilizing pipe, definite value electric capacity, switch, fixed value resistance I, photoelectrical coupler, fixed value resistance II, relay, diode, triode, the normally opened contact of relay, electrical equipment.The utility model provides a kind of photoelectric coupling Safety electronic switch circuit, for solving, in some moister and special places, with the method for photoelectric coupling, to allow 220V voltages to open with switch isolation, ensures the safety of switching manipulation personnel；The equipment is simple, convenient operation.
Description
Technical field
A kind of photoelectric coupling Safety electronic switch circuit is the utility model is related to, belongs to electrical and electronic technology field.
Background technology
In daily production activity, in some moister and special places, such as with conventional switch, there is power supply leakage
Electricity, the danger for causing personnel to injure.So, it is necessary to invent a kind of power switch, with the method for photoelectric coupling, allow 220V voltages
Opened with switch isolation, ensure the safety of switching manipulation personnel.
The content of the invention
The utility model provides a kind of photoelectric coupling Safety electronic switch circuit, moister at some for solving
With special place, with the method for photoelectric coupling, allow 220V voltages to be opened with switch isolation, ensure the safety of switching manipulation personnel.
The technical solution of the utility model is：A kind of photoelectric coupling Safety electronic switch circuit, including transformer 1, rectification
Bridge heap 2, electrochemical capacitor 3, three-terminal voltage-stabilizing pipe 4, definite value electric capacity 5, switch 6, fixed value resistance I 7, photoelectrical coupler 8, fixed value resistance II
9th, relay 10, diode 11, triode 12, the normally opened contact 13 of relay 10, electrical equipment 14；Wherein transformer 1 is defeated
Enter to hold the line L and zero line N that starts to exchange fire respectively, the secondary coil of transformer 1 connects the input port of rectifier bridge stack 2, the output end of rectifier bridge stack 2
Negative pole ground connection, the positive pole of the output end of rectifier bridge stack 2 connects the positive pole of electrochemical capacitor 3, the negative pole ground connection of electrochemical capacitor 3, electrolysis electricity
The positive pole of appearance 3 connects the input of three-terminal voltage-stabilizing pipe 4, the earth terminal ground connection of three-terminal voltage-stabilizing pipe 4, the output end point of three-terminal voltage-stabilizing pipe 4
One end for not connecing definite value electric capacity 5, the one end for switching 6, the colelctor electrode of photoelectrical coupler 8, the positive pole of relay 10, diode 11
Negative pole, the other end ground connection of definite value electric capacity 5, switchs one end of 6 another termination fixed value resistance I 7, is worth another termination light of resistance I 7
The diode cathode of electric coupler 8, the diode cathode ground connection of photoelectrical coupler 8, the emitter stage of photoelectrical coupler 8 connect definite value electricity
II 9 one end, the base stage of another termination triode 12 of fixed value resistance II 9 are hindered, the negative pole of relay 10 connects the collection of triode 12
Electrode, the positive pole of diode 11 connect the colelctor electrode of triode 12, the grounded emitter of triode 12, the normally opened contact of relay 10
Start to exchange fire line L for 13 one end, one end of another termination electrical equipment 14 of the normally opened contact 13 of relay 10, electrical equipment 14 it is another
One terminal connecting zero line N.
It is described behind closure switch 6, photodiode lights after the input of photoelectrical coupler 8 is powered, photoelectrical coupler 8
Output end conducting, turn on triode 12, relay 10 works because coil has electric current to flow through, the normally opened contact of relay 10
13 closures, the power on of electrical equipment 14 are worked, and 220V voltages are opened with switch isolation in circuit, ensure switching manipulation personnel's
Safety.
Composed component described in the utility model is commercial elements.
Operation principle of the present utility model is：When electrical equipment 14 needs energization work, closure switch 6, photoelectric coupling
Photodiode lights after the input of device 8 is powered, and the output end conducting of photoelectrical coupler 8, turns on triode 12, relay
10 work because coil has electric current to flow through, and the normally opened contact 13 of relay 10 closes, the power on work of electrical equipment 14.Such as
After disconnecting switch 6, you can close the power supply of electrical equipment 14.The characteristics of this circuit is that 6 part applied voltages of switch are direct current peaces
Full voltage, and the operating voltage of electrical equipment 14 is 220V AC voltage, forceful electric power, light current are kept apart, and guarantor is in Operation switch
When safety.
The beneficial effects of the utility model are：In some moister and special places, with the method for photoelectricity thermocouple, allow
220V voltages are opened with switch isolation, ensure the safety of switching manipulation personnel.The equipment is simple, easy for installation.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model；Each label in figure：1- transformers, 2- rectifier bridge stacks, 3- electrolysis electricity
Appearance, 4- three-terminal voltage-stabilizings pipe, 5- definite values electric capacity, 6- switch, 7- fixed value resistances I, 8- photoelectrical couplers, 9- fixed value resistances II, 10- after
Electrical equipment, 11- diodes, 12- triodes, the normally opened contact of 13- relays 10,14- electrical equipments.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail.
As shown in figure 1, a kind of photoelectric coupling Safety electronic switch circuit, including transformer 1, rectifier bridge stack 2, electrolysis electricity
Hold 3, three-terminal voltage-stabilizing pipe 4, definite value electric capacity 5, switch 6, fixed value resistance I 7, photoelectrical coupler 8, fixed value resistance II 9, relay 10,
Diode 11, triode 12, the normally opened contact 13 of relay 10, electrical equipment 14；The input of wherein transformer 1 is started to exchange fire respectively
Line L and zero line N, the secondary coil of transformer 1 connect the input port of rectifier bridge stack 2, and the negative pole of the output end of rectifier bridge stack 2 is grounded,
The positive pole of the output end of rectifier bridge stack 2 connects the positive pole of electrochemical capacitor 3, the negative pole ground connection of electrochemical capacitor 3, and the positive pole of electrochemical capacitor 3 connects
The input of three-terminal voltage-stabilizing pipe 4, the earth terminal ground connection of three-terminal voltage-stabilizing pipe 4, the output end of three-terminal voltage-stabilizing pipe 4 connect definite value electric capacity respectively
5 one end, the one end for switching 6, the colelctor electrode of photoelectrical coupler 8, the positive pole of relay 10, the negative pole of diode 11, definite value electricity
Hold 5 other end ground connection, switch one end of 6 another termination fixed value resistance I 7, another termination photoelectrical coupler 8 of value resistance I 7
Diode cathode, the diode cathode ground connection of photoelectrical coupler 8, the emitter stage of photoelectrical coupler 8 connect the one of fixed value resistance II 9
End, the base stage of another termination triode 12 of fixed value resistance II 9, the negative pole of relay 10 connect the colelctor electrode of triode 12, two poles
The positive pole of pipe 11 connects the colelctor electrode of triode 12, the grounded emitter of triode 12, one end of the normally opened contact 13 of relay 10
Start to exchange fire line L, one end of another termination electrical equipment 14 of the normally opened contact 13 of relay 10, another terminal connecting zero line of electric equipment 14
N。
It is described behind closure switch 6, photodiode lights after the input of photoelectrical coupler 8 is powered, photoelectrical coupler 8
Output end conducting, turn on triode 12, relay 10 works because coil has electric current to flow through, the normally opened contact of relay 10
13 closures, the power on of electrical equipment 14 are worked, and 220V voltages are opened with switch isolation in circuit, ensure switching manipulation personnel's
Safety.
Wherein, the model 6N138 of photoelectrical coupler 8, electrical equipment 14 can be bulb, magnetic valve etc..
Specific embodiment of the utility model is explained in detail above in conjunction with accompanying drawing, but the utility model and unlimited
In above-described embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Various changes can be made on the premise of objective.
Claims (1)
- A kind of 1. photoelectric coupling Safety electronic switch circuit, it is characterised in that：Including transformer（1）, rectifier bridge stack（2）, electrolysis Electric capacity（3）, three-terminal voltage-stabilizing pipe（4）, definite value electric capacity（5）, switch（6）, fixed value resistance I（7）, photoelectrical coupler（8）, fixed value resistance Ⅱ（9）, relay（10）, diode（11）, triode（12）, relay（10）Normally opened contact（13）, electrical equipment（14）； Wherein transformer（1）Input start to exchange fire respectively line L and zero line N, transformer（1）Secondary coil connect rectifier bridge stack（2）It is defeated Inbound port, rectifier bridge stack（2）The negative pole ground connection of output end, rectifier bridge stack（2）The positive pole of output end connects electrochemical capacitor（3）Just Pole, electrochemical capacitor（3）Negative pole ground connection, electrochemical capacitor（3）Positive pole connect three-terminal voltage-stabilizing pipe（4）Input, three-terminal voltage-stabilizing pipe （4）Earth terminal ground connection, three-terminal voltage-stabilizing pipe（4）Output end connect definite value electric capacity respectively（5）One end, switch（6）One end, light Electric coupler（8）Colelctor electrode, relay（10）Positive pole, diode（11）Negative pole, definite value electric capacity（5）Another termination Ground, switch（6）Another termination fixed value resistance I（7）One end, be worth resistance I（7）Another termination photoelectrical coupler（8）Two poles Pipe positive pole, photoelectrical coupler（8）Diode cathode ground connection, photoelectrical coupler（8）Emitter stage connect fixed value resistance II（9）One End, fixed value resistance II（9）Another termination triode（12）Base stage, relay（10）Negative pole connect triode（12）Current collection Pole, diode（11）Positive pole connect triode（12）Colelctor electrode, triode（12）Grounded emitter, relay（10）It is normal Open contact（13）One end start to exchange fire line L, relay（10）Normally opened contact（13）Another termination electrical equipment（14）One end, Electric equipment（14）Another terminal connecting zero line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658136.0U CN206993080U (en) | 2017-06-08 | 2017-06-08 | Photoelectric coupling safety electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658136.0U CN206993080U (en) | 2017-06-08 | 2017-06-08 | Photoelectric coupling safety electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206993080U true CN206993080U (en) | 2018-02-09 |
Family
ID=61396316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658136.0U Expired - Fee Related CN206993080U (en) | 2017-06-08 | 2017-06-08 | Photoelectric coupling safety electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206993080U (en) |
-
2017
- 2017-06-08 CN CN201720658136.0U patent/CN206993080U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |