CN207602436U - A kind of underground insulation knot arc-control device - Google Patents
A kind of underground insulation knot arc-control device Download PDFInfo
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- CN207602436U CN207602436U CN201721404679.6U CN201721404679U CN207602436U CN 207602436 U CN207602436 U CN 207602436U CN 201721404679 U CN201721404679 U CN 201721404679U CN 207602436 U CN207602436 U CN 207602436U
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- resistance
- amplifier
- phototriode
- memristor
- triode
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Abstract
The utility model discloses a kind of underground insulation knot arc-control device, including light emitting diode D1, phototriode T1, resistance R1, resistance R2, triode T2, resistance R3, resistance R4, amplifier U1, resistance R5, resistance R6, resistance R7, amplifier U1 and memristor Rm.Light emitting diode D1 and phototriode T1 forms photoelectric detective circuit, on the Infrared irradiation of light emitting diode D1 to phototriode T1, so that phototriode T1 and triode T2 is on and off two states, periphery amplification regulator circuit by being made of amplifier U1 and amplifier U2 again, memristor Rm is controlled in high resistant and low-resistance two states, so as to fulfill the function to underground insulation knot arc extinguishing.A kind of underground insulation knot arc-control device disclosed in the utility model has the characteristics that easily controllable, reliability is high, arc extinction performance is good.
Description
Technical field
The utility model is related to a kind of arc-control device, more particularly to a kind of underground insulation knot arc-control device.
Background technology
During underground railway track is built, since walking rail is there are stray electrical current, in the maintenance library of rolling stock section and garage parking
Import and export, river-crossing tunnel the place such as import and export track on be provided with the insulation knot of 5mm thickness, make electric current around these
Side.At present, China's insulation knot arc-control device carries out the combined floodgate of high current mostly using traditional high current thyristor or coil
With separating brake so as to fulfill arc-suppression function, but complicated, installation difficulty is big, and circuit reaction speed is slower, coil close a floodgate and point
Immediate current during lock is excessive, turn on thyristors electric current rises too fast causes arc quenching effect not ideal enough.
Invention content
According to technical background there are the problem of, the utility model provides a kind of underground insulation knot arc-control device, based on
Lower technical solution is achieved：
A kind of underground insulation knot arc-control device, including：Light emitting diode D1, phototriode T1, resistance R1, resistance R2,
Triode T2, resistance R3, resistance R4, amplifier U1, resistance R5, resistance R6, resistance R7, amplifier U1 and memristor Rm；
Wherein, the anode of light emitting diode connects power supply VCC, the minus earth of light emitting diode；Direct current 24V power supplys pass through
Resistance R2 is connected with the collector of phototriode T1；The emitter of phototriode T1 is grounded by resistance R1；Photosensitive three pole
The emitter of pipe T1 is connected with the base stage of triode T2；Direct current 24V power supplys are connected by resistance R2 with the collector of triode T2；
The emitter of triode T2 is connected by resistance R3 with the normal phase input end of amplifier U1；The reverse phase of amplifier U1 is defeated
Enter end to be connected to the ground by resistance R4；The normal phase input end of amplifier U1 is connected with the output terminal of amplifier U1；Amplifier U1's
Output terminal is connected by resistance R5 with the normal phase input end of amplifier U2；The inverting input of amplifier U2 passes through resistance R7 and ground
It is connected；Resistance R6 is connected between the normal phase input end of amplifier U2 and the output terminal of amplifier U2；
The output terminal of amplifier U2 is connected with the g ports of memristor Rm；The port b of memristor Rm is connected with the M points of outer rail；
The port a of memristor Rm is connected with the N points of internal rail.
Advantageous effect
Memristor hereditary integral characteristic is utilized in the utility model, discloses a kind of underground insulation knot arc-control device, compares
In traditional thyristors type underground insulation knot arc-control device, efficiently solve because of switching suddenly and leading between being switched off and on state
The problem of arc extinction performance of cause is bad has the characteristics of easily controllable, reliability is high.
Description of the drawings
A kind of underground insulation knot arc-control device schematic diagrams of Fig. 1.
Specific embodiment
For the effect and advantage of the utility model is described in detail, 1 a kind of underground insulation is further illustrated below in conjunction with the accompanying drawings
The embodiment of arc-control device is tied, is not intended to limit the scope of the present invention.
As shown in Figure 1, a kind of underground insulation knot arc-control device, including：Light emitting diode D1, phototriode T1, resistance
R1, resistance R2, triode T2, resistance R3, resistance R4, amplifier U1, resistance R5, resistance R6, resistance R7, amplifier U1 and memristor
Device Rm；
In embodiment, the anode of light emitting diode connects power supply VCC, the minus earth of light emitting diode；Direct current 24V power supplys
It is connected by resistance R2 with the collector of phototriode T1；The emitter of phototriode T1 is grounded by resistance R1；It is photosensitive
The emitter of triode T1 is connected with the base stage of triode T2；The collector that direct current 24V power supplys pass through resistance R2 and triode T2
It is connected；
In the present embodiment, the emitter of triode T2 is connected by resistance R3 with the normal phase input end of amplifier U1；Amplification
The inverting input of device U1 is connected to the ground by resistance R4；The output terminal phase of the normal phase input end of amplifier U1 and amplifier U1
Even；The output terminal of amplifier U1 is connected by resistance R5 with the normal phase input end of amplifier U2；The inverting input of amplifier U2
It is connected to the ground by resistance R7；Resistance R6 is connected between the normal phase input end of amplifier U2 and the output terminal of amplifier U2；
In the present embodiment, the output terminal of amplifier U2 is connected with the g ports of memristor Rm；The port b of memristor Rm with it is outer
The M points of rail are connected；The port a of memristor Rm is connected with the N points of internal rail.
In embodiment, light emitting diode D1 uses 3DU series silicon using red light LED, the phototriode T1 of rectangular 2*3*4
Phototriode 3DU21, resistance R1=10k Ω, resistance R2=10k Ω, triode T2 are using 9013, resistance R3=10k Ω, resistance
R4=10k Ω, amplifier U1 are used using 9013, resistance R5=10k Ω, resistance R6=1k Ω, resistance R7=10k Ω, amplifier U1
9013rd, memristor Rm is lotus control memristor；
In embodiment, light emitting diode D1 and phototriode T1 form photoelectric detective circuit；
In embodiment, when subway train does not pass through, Infrared irradiation that light emitting diode D1 is sent out to photosensitive three pole
On pipe T1, the collector and emitter of phototriode T1 is in conducting state, and the collector and emitter of triode T2 is in conducting
State follows circuit output high level, by by resistance R5, resistance by what resistance R3, resistance R4 and amplifier U1 were formed at this time
The amplifying circuit that R6, resistance R7 and amplifier U2 are formed is admitted to the port g of memristor Rm, and memristor Rm is in high-impedance state, is risen
To the effect of isolation internal rail and outer rail；
In embodiment, when subway train passes through, the infrared light that light emitting diode D1 is sent out cannot be irradiated to photosensitive three pole
On pipe T1, the collector and emitter of phototriode T1 is in cut-off state, and the collector and emitter of triode T2 is in cut-off
State follows circuit output low level, by by resistance R5, resistance by what resistance R3, resistance R4 and amplifier U1 were formed at this time
The amplifying circuit that R6, resistance R7 and amplifier U2 are formed is admitted to the port g of memristor Rm, and memristor Rm is in low resistance state, absolutely
The internal rail of edge knot both sides is connected with outer rail discharges, and avoids at insulation knot because sparking generates electric arc and scaling loss track.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement obtained without creative work should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (1)
1. a kind of underground insulation knot arc-control device, which is characterized in that including：Light emitting diode D1, phototriode T1, resistance
R1, resistance R2, triode T2, resistance R3, resistance R4, amplifier U1, resistance R5, resistance R6, resistance R7, amplifier U1 and memristor
Device Rm；
Wherein, the anode of light emitting diode connects power supply VCC, the minus earth of light emitting diode；Direct current 24V power supplys pass through resistance
R2 is connected with the collector of phototriode T1；The emitter of phototriode T1 is grounded by resistance R1；Phototriode T1
Emitter be connected with the base stage of triode T2；Direct current 24V power supplys are connected by resistance R2 with the collector of triode T2；
The emitter of triode T2 is connected by resistance R3 with the normal phase input end of amplifier U1；The inverting input of amplifier U1
It is connected to the ground by resistance R4；The normal phase input end of amplifier U1 is connected with the output terminal of amplifier U1；The output of amplifier U1
End is connected by resistance R5 with the normal phase input end of amplifier U2；The inverting input of amplifier U2 passes through resistance R7 and ground phase
Even；Resistance R6 is connected between the normal phase input end of amplifier U2 and the output terminal of amplifier U2；
The output terminal of amplifier U2 is connected with the g ports of memristor Rm；The port b of memristor Rm is connected with the M points of outer rail；Memristor
The port a of device Rm is connected with the N points of internal rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404679.6U CN207602436U (en) | 2017-10-27 | 2017-10-27 | A kind of underground insulation knot arc-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404679.6U CN207602436U (en) | 2017-10-27 | 2017-10-27 | A kind of underground insulation knot arc-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602436U true CN207602436U (en) | 2018-07-10 |
Family
ID=62757239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721404679.6U Expired - Fee Related CN207602436U (en) | 2017-10-27 | 2017-10-27 | A kind of underground insulation knot arc-control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727798A (en) * | 2017-10-27 | 2019-05-07 | 西华大学 | A kind of underground insulation knot arc-control device |
-
2017
- 2017-10-27 CN CN201721404679.6U patent/CN207602436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727798A (en) * | 2017-10-27 | 2019-05-07 | 西华大学 | A kind of underground insulation knot arc-control device |
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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: 20180710 Termination date: 20181027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |