CN1909313A - Integrated thunder protecting device for railway signal micro-electron equipment - Google Patents
Integrated thunder protecting device for railway signal micro-electron equipment Download PDFInfo
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- CN1909313A CN1909313A CN 200610030009 CN200610030009A CN1909313A CN 1909313 A CN1909313 A CN 1909313A CN 200610030009 CN200610030009 CN 200610030009 CN 200610030009 A CN200610030009 A CN 200610030009A CN 1909313 A CN1909313 A CN 1909313A
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Abstract
The invention relates to an auxiliary protector of computer and micro electric device, wherein said invention can be used in signal part of railway, to avoid thunder and over-voltage; said railway signal micro electro integrated thunder protector comprises: a thunder receiver, a constant-voltage shield network, a lead ground device, an anti-thunder lining tank, and a protective tank; said anti-thunder lining tank is connected to the external cable; the anti-thunder lining tank and protective tank are inside the constant-voltage shield network. The invention uses the strategy as grouped, leveled and sub device protection.
Description
Technical field
The present invention relates to computer, industrial control field, belonging to the auxiliary of computer and microelectronic device is safeguard.Apparatus of the present invention are applicable to the signal department of railway, are used for the thunder and lightning and the induction overvoltage protection of signalling arrangement.
Background technology
Railway signals equipment mainly uses relay to carry out interlocked control based on electric horn interlocking apparatus, lightning protection using gases discharge tube, and damage to crops caused by thunder is rare.In recent years, railway transportation is round Realization informationization and digitlization, computer and microelectronic device use in a large number in the railway signal field, as signal microcomputer interlocking, TDCS system, CTC system, signal microcomputer monitoring system, automatic block with audio frequency shift modulated track circuit, meter axle, velocity radar, survey length, weight measuring equipment etc.The port of these equipment also has certain protection, and equipment also has lightning protection earthing system simultaneously, but the damage to crops caused by thunder of signalling arrangement still increases year by year in recent years, has a strong impact on driving.Main cause is that equipment room interacts, and protection lacks to be taken all factors into consideration.Safe and smooth for guarantee railway, integrated thunder protecting device for railway signal micro-electron equipment is very necessary.
Summary of the invention
Purpose of the present invention provide a kind of can be to railway signals equipment, particularly computer and microelectronic device carry out the device of reliable lightning protection, after this cover system is installed at the station, can avoid the influence of thunder and lightning and induction overvoltage effectively, the operate as normal of support equipment to signalling arrangement.
The concrete technical scheme of the present invention is as follows:
A kind of integrated thunder protecting device for railway signal micro-electron equipment, comprise connecing and dodge device 1, equivalent potential screen net 2, draw down that earthing device 3, lightning prevention junction cabinet 4, protection chamber 5 connect to form successively, wherein lightning prevention junction cabinet 4 is connected with the outdoor equipment cable, and lightning prevention junction cabinet 4 and protection chamber 5 are located at equivalent potential screen net 2 inside.
Above-mentioned protection box 5 can be a kind of of power supply thunder and lightning protector, communication protection box, track circuit lightning protector, signal light circuit lightning protector, goat circuit lightning protector, ZPW2000 circuit lightning protector, coding circuit lightning protector, lightning protection component comprehensive detection device or some kinds.
The special equipment of railway signal uses special-purpose lightning protector to carry out lightning protection, is located at by the porch of safeguard.Power supply protective housing protection intelligent power supply panel; Communication protection box protection communication apparatus; Track circuit adopts the two-stage protection, and one-level adopts lightning protection transformer, and the track circuit lightning protector is adopted in the secondary protection; The signal light circuit lightning protector carries out lightning protection to semaphore; Two-stage is adopted in the protection of repeat circuit, and one-level adopts the relaying lightning protection transformer, and the relaying lightning protector is adopted in the secondary protection; Goat circuit, ZPW2000 equipment, coding circuit adopt corresponding lightning protector.
Above-mentioned power supply thunder and lightning protector, with GDT, MOV, overtemperature relay series connection, overtemperature relay can be thrown off lightning protection component when the device fault overcurrent, and the lightning protection component comprehensive detection device is input with thunder and lightning counter and tracer, the state of record, storage, demonstration thunderstorm electricity protective device.
Above-mentioned thunder and lightning counting realizes that by the lightning current inductor fault detect then obtains by the auxiliary contact of overtemperature relay.
This device is the starting point with the integrated protection, adopts the technical tactic of subregion, classification, subset protection, has realized satisfied protection effect.
Description of drawings
Fig. 1 is an integrated thunder protecting device for railway signal micro-electron equipment overall pattern of the present invention:
Fig. 2 is a power supply thunder and lightning protector schematic diagram of the present invention.
Embodiment
Embodiment 1
As shown in Figure 1, be the overall pattern of integrated thunder protecting device for railway signal micro-electron equipment of the present invention, connect sudden strain of a muscle device (SLE) and prevent direct lightning strike, its effect is to draw thunder or intercept and capture lightning, promptly lightning current is drawn down.Connecing the form and the spacing of dodging device designs by house form and apparatus arrangement, structure according to signal Machine Room building, of the present invention connecing dodged device employing roof lightning conduction structure, is made up of the grid that is not more than 3m * 3m, and grid is made of the welding of Hot-dip zinc-coated flat steel sheet intersection.The zone that outdoor electrical equipment is concentrated is adopted many independent lightning rods is installed.
The equivalent potential screen net is welded into the grid of 5m * 5m at body of wall with the round steel of Φ 12mm, is welded into the grid of 600mm * 600mm with the round steel of Φ 8mm at machine room.Earthing device forms annular horizontal grounding body with the distance of blank signal building 1m under drawing, establish the vertical junction terrain at the downlead place, the earth electrode buried depth is not less than 0.7m, and horizontal grounding body material is not less than the hot galvanizing round steel of 8mm with 40mm * 4mm Hot-dip zinc-coated flat steel sheet, vertical junction ground body and function diameter.
Lightning prevention junction cabinet is located at the porch in the outer cable inlet chamber, substitutes original junction box, removes original separated time test function, has increased lightning protection function, and both unite two into one at function.
The special equipment of railway signal uses special-purpose lightning protector to carry out lightning protection, is located at by the porch of safeguard.Power supply protective housing protection intelligent power supply panel; Communication protection box protection communication apparatus; Track circuit adopts the two-stage protection, and the patent No. that one-level adopts the patentee to have is 98224900.4 lightning protection transformer, and the track circuit lightning protector is adopted in the secondary protection; The signal light circuit lightning protector carries out lightning protection to semaphore; Two-stage is adopted in the protection of repeat circuit, and the patent No. that one-level adopts the patentee to have is 99239233.0 relaying lightning protection transformer, and the relaying lightning protector is adopted in the secondary protection; Goat circuit, ZPW2000 equipment, coding circuit adopt corresponding lightning protector.
As Fig. 1, the overall pattern of integrated thunder protecting device for railway signal micro-electron equipment of the present invention, system and device at first dodges the direct thunder of device 1 protection by being distributed in connecing of top, house, signal Machine Room and electronic equipment concentrated area, lightning current is drawn downstairs release, and forms OA district and OB district.Equivalent potential screen net 2 around house and the machine room body of wall is surrounded signalling arrangement, prevents induction lightening stream electromagnetic field entering signal machine room.Every layer in house is provided with integrated ground row, constitutes the equipotential body, utilizes gauze screen to be connected between layer and the layer, earthing device 3 (ground network) under the construction of bottom, house is drawn, and lightning current discharges by ground network.In zoning territory, signal Machine Room, lightning wave reduces step by step in each zone, isolate with lightning protection cabinet or lightning protection device between the zone, wherein lightning prevention junction cabinet 4 is used for outside wire and house line's isolation, other protection chamber 5 is used for the isolation and the protection in special equipment zone, forms protection 1 district and protect 2 districts in gauze screen.Device by release stream, equipotential altogether, means such as isolation, voltage clamping, progressively reduce intensity of lightning, at last in the microelectronic device porch, in the scope that the equipment that is limited in allows, make signalling arrangement avoid the influence of damage to crops caused by thunder.
The special equipment lightning protector uses special circuit; to satisfy the safety requirements of railway signal; as shown in Figure 2; with power supply thunder and lightning protector is example; major part is the series connection of GDT and MOV, but not only deboost is also effectively avoided the afterflow problem of GDT and the leakage current problem of MOV below protection voltage; overtemperature relay then can be thrown off lightning protection component when the device fault overcurrent, to satisfy the failure safe requirement of signalling arrangement.The lightning protection component comprehensive detection device is input with thunder and lightning counter and tracer, the main state of record, storage, demonstration thunderstorm electricity protective device, the thunder and lightning counting realizes that by the lightning current inductor fault detect then obtains by the auxiliary contact of overtemperature relay.
Beneficial effect of the present invention
1, the present invention is by GDT, MOV, TVS pipe, reactor, capacitor, ground networks, arrester, downlead Deng the comprehensive thunderstorm electricity protective device that forms, be exclusively used in the thunder and lightning of railway signal microelectronic device and respond to electric The protection of pressing. The microelectronic device of protection comprises: railway signal computer interlock, TDCS system, CTC system, Automatic block with audio frequency shift modulated track circuit, meter shaft, velocity radar, survey length, weight measuring equipment etc. The present invention fully utilizes various units The serial connection of part and and connect, lightning voltage and lightning current are reduced step by step, until control to the tolerance limit of microelectronic device Below, satisfy again signalling arrangement to the requirement of device diversity fault, such as fail-safe principle, additionally arrange standby event Phragma is from principle etc.
2, the present invention adopts the reasonably combined connection of connection in series-parallel of big capacity device, high speed device, high-low voltage device, and is full The specific (special) requirements of foot railway signal protection.
3, the present invention meets the failure to safety principle of railway signal, and namely any fault of element can not cause signal Upgrading shows.
4, the present invention has the device state display unit, and the signalman can grasp the state of main element and device, determines Whether change and keep in repair.
5, the present invention adopts the engineering philosophy of subregion, classification, subset protection, and lightning protection component and line branch terminal Interosculate, make lightning protection device and signalling arrangement reasonable combination, conveniently use and keep in repair.
6, but the present invention adopts the lightning protection component online insertion and removal, changes and keeps in repair guarded main equipment is not had impact.
Claims (4)
1, a kind of integrated thunder protecting device for railway signal micro-electron equipment, it is characterized in that, comprise connecing and dodge device (1), equivalent potential screen net (2), draw down that earthing device (3), lightning prevention junction cabinet (4), protection chamber (5) connect to form successively, wherein lightning prevention junction cabinet (4) is connected with the outdoor equipment cable, and lightning prevention junction cabinet (4) and protection chamber (5) are located at equivalent potential screen net (2) inside.
2, integrated thunder protecting device for railway signal micro-electron equipment according to claim 1, it is characterized in that described protection box (5) can be a kind of of power supply thunder and lightning protector, communication protection box, track circuit lightning protector, signal light circuit lightning protector, goat circuit lightning protector, ZPW2000 circuit lightning protector, coding circuit lightning protector, lightning protection component comprehensive detection device or some kinds.
3, integrated thunder protecting device for railway signal micro-electron equipment according to claim 2, it is characterized in that, described power supply thunder and lightning protector, with GDT, MOV, overtemperature relay series connection, overtemperature relay can be thrown off lightning protection component when the device fault overcurrent, the lightning protection component comprehensive detection device is input with thunder and lightning counter (6) and tracer, the state of record, storage, demonstration thunderstorm electricity protective device.
4, integrated thunder protecting device for railway signal micro-electron equipment according to claim 3 is characterized in that, described thunder and lightning counter (6) realizes that by lightning current inductor (7) fault detect then obtains by the auxiliary contact of overtemperature relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610030009 CN1909313A (en) | 2006-08-11 | 2006-08-11 | Integrated thunder protecting device for railway signal micro-electron equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610030009 CN1909313A (en) | 2006-08-11 | 2006-08-11 | Integrated thunder protecting device for railway signal micro-electron equipment |
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| Publication Number | Publication Date |
|---|---|
| CN1909313A true CN1909313A (en) | 2007-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610030009 Pending CN1909313A (en) | 2006-08-11 | 2006-08-11 | Integrated thunder protecting device for railway signal micro-electron equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407574A (en) * | 2014-10-15 | 2015-03-11 | 上海建安化工设计有限公司 | Lightning protection and safety monitoring integrated system used for chemical device |
| CN107845496A (en) * | 2017-11-13 | 2018-03-27 | 北京全路通信信号研究设计院集团有限公司 | A kind of lightning protection transformer |
| CN108120870A (en) * | 2016-11-29 | 2018-06-05 | 沈阳铁路信号有限责任公司 | railway station machine room lightning monitoring system |
| CN109240265A (en) * | 2018-09-18 | 2019-01-18 | 中国路桥工程有限责任公司 | A kind of railway signal system and intelligent failure diagnosis method |
| CN111342417A (en) * | 2020-04-26 | 2020-06-26 | 云南电网有限责任公司西双版纳供电局 | Lightning protection counterattack device for power transmission line |
-
2006
- 2006-08-11 CN CN 200610030009 patent/CN1909313A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407574A (en) * | 2014-10-15 | 2015-03-11 | 上海建安化工设计有限公司 | Lightning protection and safety monitoring integrated system used for chemical device |
| CN108120870A (en) * | 2016-11-29 | 2018-06-05 | 沈阳铁路信号有限责任公司 | railway station machine room lightning monitoring system |
| CN107845496A (en) * | 2017-11-13 | 2018-03-27 | 北京全路通信信号研究设计院集团有限公司 | A kind of lightning protection transformer |
| CN107845496B (en) * | 2017-11-13 | 2020-06-26 | 北京全路通信信号研究设计院集团有限公司 | Lightning protection transformer |
| CN109240265A (en) * | 2018-09-18 | 2019-01-18 | 中国路桥工程有限责任公司 | A kind of railway signal system and intelligent failure diagnosis method |
| CN111342417A (en) * | 2020-04-26 | 2020-06-26 | 云南电网有限责任公司西双版纳供电局 | Lightning protection counterattack device for power transmission line |
| CN111342417B (en) * | 2020-04-26 | 2021-05-04 | 云南电网有限责任公司西双版纳供电局 | Lightning protection counterattack device for power transmission line |
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