CN208343982U - Three sections of trigger modules of side rail wear - Google Patents
Three sections of trigger modules of side rail wear Download PDFInfo
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- CN208343982U CN208343982U CN201820944713.7U CN201820944713U CN208343982U CN 208343982 U CN208343982 U CN 208343982U CN 201820944713 U CN201820944713 U CN 201820944713U CN 208343982 U CN208343982 U CN 208343982U
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- 230000015556 catabolic process Effects 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 5
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012945 sealing adhesive Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000006085 Schmidt reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model proposes a kind of three sections of trigger modules of side rail wear, including a major loop and second test circuit.Major loop is using quick breakdown diode as carrier, additional major loop RC filtering, it is ensured that trigger circuit action message in 0.1 millisecond is not necessarily to working power.One time major loop uses high isolation transformer, the trigger pulse rapid feedback for generating a major loop to second test circuit, and output meets the adjustable relay pulse of delay of requirement after RC filtering, 555 Schmidt trigger shapings.Relay is divided to two groups of contacts, one group of combined floodgate for contactor, another group of feedback for trigger signal.Major loop uses epoxy resin to be isolated between second test circuit, guarantees product to the adaptability of environment.Electrical distance in major loop meets at a distance from international standard amplification with creepage distance；The working power in second test circuit uses DC/DC isolated power supply, reduces the influence to external power supply, improves the reliability of equipment.
Description
Technical field
The utility model belongs to rail traffic traction power supply equipment trigger device field, and in particular to a kind of rail potential limit
Three sections of trigger modules of device processed.
Background technique
Side rail wear can also abbreviation rail current potential, be mainly made of PLC, contactor, thyristor and trigger module,
It is generally disposed between the rail and ground in each station and parking lot, when detecting the voltage difference of rail over the ground beyond setting valve
When, rail and ground moment are shorted by rail current potential, to ensure the safety of the scene person and equipment.
Existing side rail wear is generally acted according to three sections of voltage differential detected: one section of movement,
When the voltage difference detected is greater than 92V (one section of operation voltage U >) and the duration is greater than 0.8 second or more, main noddle on contactor
Closure, through restoring after a certain period of time and when main contact electric current is less than 10A to disconnect, if continuous action at the appointed time 3 times,
Constant closure is no longer restored to disconnect by contactor；Two sections of movements, when the voltage difference detected is greater than 150V (two sections of operation voltage U
When > >), contactor is closed immediately；Three sections of movements, when the voltage difference detected is greater than 600V (three sections of operation voltage U > > >), touching
Module action is sent out, thyristor is connected in 0.2 millisecond, is shorted rail and ground quickly, and starting contactor is closed immediately, contact
After device closure, thyristor restores blocking state.
The side rail wear trigger module generally used on Vehicles Collected from Market is only capable of providing the triggering of conducting thyristor
Signal, but feedback signal when triggering can not be provided, so that Field Force can not quickly have again when encountering failure in the later period
Effect is analyzed and is handled for failure.
Utility model content
Purpose of the utility model is to solve existing side rail wear trigger modules can not provide triggering
When feedback signal the problem of, a kind of three sections of trigger modules of side rail wear are provided so that Field Force the later period meet
When to failure, quickly effectively it can be analyzed and be handled for failure again.
To achieve the above object, the utility model provides the following technical solutions:
A kind of three sections of trigger modules of side rail wear, including a major loop and second test circuit；
Major loop includes transformer T1 and transformer T2；The first input end of transformer T1 connects rail potential
Ground terminal, the second input terminal series resistance R11 of transformer T1, diode V11, quick breakdown diode V21a, quickly breakdown
One end of thyristor is connected after diode V21b, is connected to transformer after zener diode VD11 and zener diode VD13 series connection
Between the first input end of T1 and the second input terminal, resistance R13 is connected to the first input end and the second input terminal of transformer T1
Between, the first output end of transformer T1 connects the first triggering end, connects after the second output terminal series diode V13 of transformer T1
The second triggering end is connect, diode V15 and resistance R15 are connected between first triggering end and the second triggering end；Transformation
The first input end of device T2 connects rail potential cathode, the second input terminal series resistance R12 of transformer T2, diode V12, fast
The other end of thyristor, zener diode VD12 and pressure stabilizing are connected after fast breakdown diode V22a, quick breakdown diode V22b
It is connected between the first input end of transformer T2 and the second input terminal after diode VD14 series connection, resistance R14 is connected to transformation
Between the first input end of device T2 and the second input terminal, the first output end of transformer T2 connects the first triggering end, transformer T2
Second output terminal series diode V14 after connect the second triggering end, diode V16 and resistance R16 are connected to described the
Between one triggering end and the second triggering end；The rail potential cathode and rail electricity are connected to after capacitor C11 and resistance R17 series connection
Between the ground terminal of position；
The second test circuit includes triode VT1 and 555 Schmidt triggers；The base series of triode VT1 are steady
Connect first triggering end after pressure pipe VD21 and resistance R21, the base stage of triode VT1 connect simultaneously resistance R22 in parallel with
Connect second triggering end after capacitor C21, second triggering end accesses power supply 24V cathode, the collector of triode VT1 according to
Power supply 24V anode is accessed after secondary series resistance R23 and resistance R27, the emitter of triode VT1 accesses power supply 24V cathode；555
1st foot of Schmidt trigger accesses power supply 24V cathode, connects institute after the 2nd foot series capacitance C22 of 555 Schmidt triggers
The collector of triode VT1 is stated, connects resistance R23 and resistance after the 2nd foot while series resistance R24 of 555 Schmidt triggers
The common end of R27, the 3rd foot series connection light emitting diode VL2 of 555 Schmidt triggers and the diode V20 and relay of parallel connection
Power supply 24V cathode is accessed after device K1 coil, the 4th foot of 555 Schmidt triggers and the 8th foot connect resistance R23's and resistance R27
Common end, accesses power supply 24V cathode after the 5th foot series capacitance C24 of 555 Schmidt triggers, and the of 555 Schmidt triggers
The common end of resistance R23 and resistance R27 are connected after 6 feet and the 7th foot series resistance R25 and adjustable resistance RP1,555 Schmidts touch
Power supply 24V cathode, zener diode VD22, capacitor C26, electricity are accessed after sending out the 6th foot and the 7th foot while series capacitance C23 of device
Hold common end and power supply 24V that C25, concatenated resistance R26 and light emitting diode VL1 are connected to resistance R23 and resistance R27
Between cathode.
According to the one aspect of the utility model, the relay includes two groups of contacts, and first group of contact is used for contactor
It closes a floodgate, second group of contact is used for trigger signal feedback.
According to the one aspect of the utility model, between a major loop and second test circuit using epoxy resin every
From.
According to the one aspect of the utility model, the working power in the second test circuit uses DC/DC isolated power supply.
By adopting the above scheme, the beneficial effects of the utility model are:
Three sections of trigger modules of side rail wear of the utility model, using quickly two poles of breakdown in a major loop
Pipe is as carrier, additional major loop RC filtering, it is ensured that trigger circuit can in 0.1 millisecond action message, be not necessarily to working power.One
High isolation transformer is used in secondary major loop, so that the trigger pulse rapid feedback that a major loop generates is returned to second test
Road, output meets the adjustable relay pulse of delay of requirement after RC filtering, 555 Schmidt trigger shapings.Relay
Device is divided to two groups of contacts, one group of rapid closing for contactor, another group of reliable feedback for trigger signal.Major loop
It is isolated between second test circuit using epoxy resin sealing adhesive process, guarantees product to the adaptability of environment.Once lead back
Electrical distance in road meets at a distance from international standard amplification with creepage distance；The working power in second test circuit uses DC/
DC isolated power supply reduces the influence to external power supply, improves the reliability of equipment.
Detailed description of the invention
Fig. 1 is a major loop figure of the utility model.
Fig. 2 is the second test loop diagram of the utility model.
Fig. 3 is the indication panel figure of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Three sections of trigger modules of side rail wear of the utility model are mainly returned by a major loop, second test
Road and indication panel composition.
As shown in Figure 1, a major loop includes transformer T1 and transformer T2.1 foot of transformer T1 connects the end H17, becomes
It is connected after the 2 foot series resistance R11 of depressor T1, diode V11, quick breakdown diode V21a, quick breakdown diode V21b
It is connected between 1 foot of transformer T1 and 2 feet after the end H20, zener diode VD11 and zener diode VD13 series connection, resistance
R13 is connected between 1 foot of transformer T1 and 2 feet, and 5 feet of transformer T1 connect the end L1, the 3 foot series diodes of transformer T1
The end L2 is connected after V13, diode V15 and resistance R15 are connected between the end L1 and the end L2.1 foot of transformer T2 connects H13
End, after the 2 foot series resistance R12 of transformer T2, diode V12, quick breakdown diode V22a, quick breakdown diode V22b
The end H23 is connected, is connected between 1 foot of transformer T2 and 2 feet after zener diode VD12 and zener diode VD14 series connection, electricity
Resistance R14 is connected between 1 foot of transformer T2 and 2 feet, and 5 feet of transformer T2 connect the end L1,3 feet series connection, two poles of transformer T2
The end L2 is connected after pipe V14, diode V16 and resistance R16 are connected between the end L1 and the end L2.Capacitor C11 and resistance R17 string
It is connected to after connection between the end H13 and the end H17.
As shown in Fig. 2, second test circuit includes triode VT1 and 555 Schmidt triggers (NE555).Triode VT1
Base series voltage-stabiliser tube VD21 and resistance R21 after connect the end L1, the base stage of triode VT1 connects resistance R22 in parallel simultaneously
With the connection end L2 after capacitor C21, the end L1 and the end L2 link together a major loop with second test circuit.The end L2 connects H4
End.The collector of triode VT1 connects the end H1, the emitter connection of triode VT1 after being sequentially connected in series resistance R23 and resistance R27
The end H4.1st foot of 555 Schmidt triggers connects the end H4, after the 2nd foot one side series capacitance C22 of 555 Schmidt triggers
The collector of connecting triode VT1, the 2nd foot of 555 Schmidt triggers connection resistance R23 and electricity after series resistance R24 simultaneously
Hinder R27 common end, 555 Schmidt triggers the 3rd foot series connection light emitting diode VL2 and parallel connection diode V20 with after
The end H4 is connected after electric appliance K1 coil, the 4th foot of 555 Schmidt triggers and the 8th foot connect the public of resistance R23 and resistance R27
It holds, the end H4, the 6th foot of 555 Schmidt triggers and the 7th foot is connected after the 5th foot series capacitance C24 of 555 Schmidt triggers
The common end of resistance R23 and resistance R27,555 Schmidt triggers are connected after one side series resistance R25 and adjustable resistance RP1
The 6th foot and the 7th foot connect the end H4 after series capacitance C23 simultaneously, it is zener diode VD22, capacitor C26, capacitor C25, concatenated
Resistance R26 and light emitting diode VL1 are connected between the common end of resistance R23 and resistance R27 and the end H4.
As shown in figure 3, the end H1 and the end H4 are respectively connected to power supply 24V positive and negative anodes, H13 is terminated into rail potential cathode, the end H17
Rail potential ground terminal is accessed, the end H20 and the end H23 are separately connected the both ends of the thyristor in cabinet.The end H13, the end H17, H20
There is spare connection at end, the end H23.The end H7~H9 connects first group of contact of relay, and wherein the end H7 is normally opened stationary contact, the end H8
For moving contact, the end H9 is normally closed stationary contact.The end H10~12 connects second group of contact of relay, and wherein the end H10 is normally opened quiet
Contact, the end H11 are moving contact, and the end H12 is normally closed stationary contact.VL1 is power supply indicator, and VL2 is thyristor indicator light.
The principles of the present invention explanation: firstly, in a major loop using quick breakdown diode V21a, V21b,
V22a, V22b are as carrier, additional major loop RC filtering, it is ensured that trigger circuit can in 0.1 millisecond action message, be not necessarily to work
Power supply.Secondly, high isolation transformer T1 and T2 is used in a major loop, so that the trigger pulse that a major loop generates is quick
Feed back second test circuit, through RC filtering, after 555 Schmidt trigger shapings output meet requirement delay it is adjustable
Relay pulse.Relay K1 is divided to two groups of contacts, one group of rapid closing for being used for contactor, another group for trigger signal can
By feedback.Finally, a major loop uses epoxy resin sealing adhesive process to be isolated between second test circuit, guarantee product pair
The adaptability of environment.Electrical distance in major loop meets at a distance from international standard amplification with creepage distance；Second test
The working power in circuit uses DC/DC isolated power supply, reduces the influence to external power supply, improves the reliability of equipment.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and apply this specially
Benefit.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to here
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (4)
1. a kind of three sections of trigger modules of side rail wear, it is characterised in that: returned including a major loop and second test
Road；
Major loop includes transformer T1 and transformer T2；The first input end connection rail potential ground connection of transformer T1
End, the second input terminal series resistance R11 of transformer T1, diode V11, quick breakdown diode V21a, quickly two poles of breakdown
One end of thyristor is connected after pipe V21b, is connected to transformer T1's after zener diode VD11 and zener diode VD13 series connection
Between first input end and the second input terminal, resistance R13 is connected between the first input end of transformer T1 and the second input terminal,
The first output end of transformer T1 connects the first triggering end, and the is connected after the second output terminal series diode V13 of transformer T1
Two triggering ends, diode V15 and resistance R15 are connected between first triggering end and the second triggering end；Transformer T2
First input end connect rail potential cathode, the second input terminal series resistance R12 of transformer T2, diode V12, quickly hit
Wear the other end that thyristor is connected after diode V22a, quick breakdown diode V22b, two pole zener diode VD12 and pressure stabilizing
It is connected between the first input end of transformer T2 and the second input terminal after pipe VD14 series connection, resistance R14 is connected to transformer T2
First input end and the second input terminal between, the first output end of transformer T2 connects the first triggering end, the of transformer T2
The second triggering end is connected after two output end series diode V14, diode V16 and resistance R16 are connected to first touching
Between originator and the second triggering end；The rail potential cathode is connected to after capacitor C11 and resistance R17 series connection to connect with rail potential
Between ground terminal；
The second test circuit includes triode VT1 and 555 Schmidt triggers；The base series voltage-stabiliser tube of triode VT1
First triggering end is connected after VD21 and resistance R21, the base stage of triode VT1 connects resistance R22 and capacitor in parallel simultaneously
Second triggering end is connected after C21, second triggering end accesses power supply 24V cathode, and the collector of triode VT1 is successively gone here and there
Access power supply 24V is positive after joining resistance R23 and resistance R27, and the emitter of triode VT1 accesses power supply 24V cathode；555 apply it is close
1st foot of special trigger accesses power supply 24V cathode, connects described three after the 2nd foot series capacitance C22 of 555 Schmidt triggers
The collector of pole pipe VT1, the 2nd foot of 555 Schmidt triggers connection resistance R23 and resistance R27 after series resistance R24 simultaneously
Common end, the 3rd foot series connection light emitting diode VL2 of 555 Schmidt triggers and the diode V20 and relay K1 line of parallel connection
Power supply 24V cathode is accessed after circle, the 4th foot of 555 Schmidt triggers and the 8th foot connect the public of resistance R23 and resistance R27
It holds, power supply 24V cathode, the 6th foot of 555 Schmidt triggers is accessed after the 5th foot series capacitance C24 of 555 Schmidt triggers
With the common end for connecting resistance R23 and resistance R27 after the 7th foot series resistance R25 and adjustable resistance RP1,555 Schmidt triggers
The 6th foot and the 7th foot power supply 24V cathode, zener diode VD22, capacitor C26, capacitor are accessed after series capacitance C23 simultaneously
C25, concatenated resistance R26 and light emitting diode VL1 are connected to the common end of resistance R23 and resistance R27 and power supply 24V is born
Between pole.
2. three sections of trigger modules of side rail wear according to claim 1, it is characterised in that: the relay packet
Two groups of contacts are included, first group of contact is closed a floodgate for contactor, and second group of contact is used for trigger signal feedback.
3. three sections of trigger modules of side rail wear according to claim 1, it is characterised in that: the primary master returns
It is isolated between road and second test circuit using epoxy resin.
4. three sections of trigger modules of side rail wear according to claim 1, it is characterised in that: the second test
The working power in circuit uses DC/DC isolated power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944713.7U CN208343982U (en) | 2018-06-19 | 2018-06-19 | Three sections of trigger modules of side rail wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944713.7U CN208343982U (en) | 2018-06-19 | 2018-06-19 | Three sections of trigger modules of side rail wear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208343982U true CN208343982U (en) | 2019-01-08 |
Family
ID=64884288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820944713.7U Withdrawn - After Issue CN208343982U (en) | 2018-06-19 | 2018-06-19 | Three sections of trigger modules of side rail wear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208343982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941154A (en) * | 2019-03-25 | 2019-06-28 | 中国矿业大学 | A kind of system and method limiting rail voltage |
| CN110614938A (en) * | 2018-06-19 | 2019-12-27 | 上海拓及轨道交通设备股份有限公司 | Three-section trigger module of steel rail potential limiting device |
-
2018
- 2018-06-19 CN CN201820944713.7U patent/CN208343982U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614938A (en) * | 2018-06-19 | 2019-12-27 | 上海拓及轨道交通设备股份有限公司 | Three-section trigger module of steel rail potential limiting device |
| CN110614938B (en) * | 2018-06-19 | 2024-05-24 | 四川拓及轨道交通设备股份有限公司 | Three-section trigger module of rail potential limiting device |
| CN109941154A (en) * | 2019-03-25 | 2019-06-28 | 中国矿业大学 | A kind of system and method limiting rail voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1310, 13th Floor, Building 6, No. 666, Jinfenghuang Avenue, Jinniu High tech Industrial Park, Chengdu, Sichuan Province, 610036 Patentee after: Sichuan Tuoji Rail Transit Equipment Co.,Ltd. Address before: 201802 Shanghai Jiading District Liuxiang highway 918, 2, 1 story A area. Patentee before: SHANGHAI TOGEE METRO EQUIPMENT CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |