CN205453281U - Emergency lighting automatic switching control equipment of transformer substation - Google Patents
Emergency lighting automatic switching control equipment of transformer substation Download PDFInfo
- Publication number
- CN205453281U CN205453281U CN201521073627.6U CN201521073627U CN205453281U CN 205453281 U CN205453281 U CN 205453281U CN 201521073627 U CN201521073627 U CN 201521073627U CN 205453281 U CN205453281 U CN 205453281U
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- China
- Prior art keywords
- contactor
- series
- contact
- circuit
- alternating current
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- Expired - Fee Related
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Abstract
The utility model provides an emergency lighting automatic switching control equipment of transformer substation, alternating current power supply are connected with lighting apparatus after connecting gradually circuit breaker and ac contactor, are provided with two alternating current circuit between circuit breaker and the ac contactor, and wherein, an alternating current circuit is connected with the interchange illuminating line by control button and auxiliary relay's coil series connection back in proper order, and another alternating current circuit is connected with the interchange illuminating line by auxiliary relay's ac contactor 0 and ac contactor's coil series connection back in proper order, the utility model discloses the break contact who utilizes auxiliary relay must return the back, and its make contact could be closed, otherwise its make contact must return the back, and break contact could be closed, consequently, the utility model discloses an illumination auto -change over device when switching the return circuit, its time difference that does not have two last auxiliary contacts of machinery, has solved the ac energisation return circuit and has broken off yet, problem that dc supply had put through in the return circuit has been guaranteed to switch correctly and return circuit safety.
Description
Technical field
This utility model relates to a kind of automatic switching control equipment, is specially a kind of substation accident automatic lighting switching device, belongs to substation illumination technical field.
Background technology
The illuminator of transformer station, particularly accident lighting system can provide a good photoenvironment for operator on duty, ensure that operator on duty carries out normal equipment-patrolling, grid switching operation and accident treatment.Can correctly, quickly realize the switching of accident lighting system, it is ensured that the emergency lighting in standing, observe on duty, maintainer, analyze and process accident provides reliable lighting environment most important.
But, current substation accident illumination switching principle is shown in accompanying drawing 2, and after Dou Shi transformer station exchange dead electricity, operator on duty arrives in emergency lighting case and closes a switch, and so can stop over a period of time, and not necessarily finds emergency lighting case.Also have a significant impact and dangerous for being currently running inspection operation personnel under there is no lighting condition.Although starting to engender the equipment using exchange and direct current to be powered, but, in emergency lighting switching circuit designs, it is switched on or switched off ac power supply circuit and starts direct current supply and all use the contact of A.C. contactor.Wherein the main contacts of A.C. contactor is used for being switched on or switched off emergency lighting current supply circuit, and the secondary dynamic circuit breaker auxiliary contact of the one of A.C. contactor are used for starting switching DC loop.Found by test, the main contacts of A.C. contactor is asynchronous with the action of dynamic circuit breaker auxiliary contact, i.e. being slower than auxiliary contact movement times the movement time of main contacts, cause the main contacts of A.C. contactor to be also not turned off ac power supply circuit, dynamic circuit breaker auxiliary contact have turned on direct current power supply loop.It can be seen that the accurate fit of the main contacts of A.C. contactor and auxiliary contact time is extremely difficult from analyze, there is hidden danger in the design in loop.
For solving above technical problem, this utility model provides a kind of substation accident automatic lighting switching device, and after utilizing the break contact of auxiliary reclay must return to, its moving together contact could close；Otherwise, after its moving together contact must return to, break contact could close, therefore, illumination switching device of the present utility model is when switching circuit, and it does not exist the time difference of mechanically two auxiliary contacts, solves ac power supply circuit and does not also disconnect, the problem that direct current power supply loop has turned on, it is ensured that switch correct and loop safety.
Summary of the invention
nullFor above-mentioned situation，For solving the defect of prior art，The purpose of this utility model just there is provided a kind of substation accident automatic lighting switching device，It includes multiple feeder assembly being connected with luminaire，Described feeder assembly is connected with the illuminating line of respective luminaire by chopper，Powered by alternating current power supply respectively at the two ends of described luminaire and DC source is powered，It is characterized in that，Described alternating current power supply is connected with described luminaire after being sequentially connected with chopper and A.C. contactor，Two ac circuits it are provided with between described chopper and A.C. contactor，Wherein，One ac circuit successively by after control knob and the coils connected in series of auxiliary reclay with exchange illuminating line and be connected，Another ac circuit successively by after the break contact of auxiliary reclay and the coils connected in series of A.C. contactor with exchange illuminating line and be connected；nullDescribed DC source is connected with described luminaire after being sequentially connected with chopper and D.C. contactor，A DC loop it is provided with between this chopper and D.C. contactor，This DC loop is successively by fuse、D.C. contactor break contact、D.C. contactor coil、With DC lighting connection after the series connection of auxiliary reclay moving together contact，Described D.C. contactor coil、The A.C. contactor break contact and display lamp two being arranged in series also it is arranged in parallel on the branch road that auxiliary reclay moving together contact is in series，Described D.C. contactor coil、Moving together contact and the display lamp one of the D.C. contactor being arranged in series also it is arranged in parallel on the branch road that auxiliary reclay moving together contact is in series，And be in parallel with moving together contact and the display lamp one of the D.C. contactor being arranged in series after A.C. contactor break contact and display lamp two series connection，It is also associated with press control on described control knob，Described press control is connected with optical sensor.
The beneficial effects of the utility model:
A kind of substation accident automatic lighting switching device that this utility model provides, after utilizing the break contact of auxiliary reclay must return to, its moving together contact could close；Otherwise, after its moving together contact must return to, break contact could close, therefore, illumination switching device of the present utility model is when switching circuit, and it does not exist the time difference of mechanically two auxiliary contacts, solves ac power supply circuit and does not also disconnect, the problem that direct current power supply loop has turned on, it is ensured that switch correct and loop safety.
Accompanying drawing explanation
A kind of substation accident automatic lighting switching device structural representation that Fig. 1 provides for this utility model；
Fig. 2 is the attachment structure schematic diagram of substation illumination device in prior art；
Wherein, K, auxiliary reclay, 1KM, D.C. contactor, 2KM, A.C. contactor, SB, control knob, T, optical sensor, FU, fuse, L1, display lamp one, L2, display lamp two, QF1-QF4 chopper,.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
nullAs shown in Figure 1，This utility model provides a kind of substation accident automatic lighting switching device，It includes multiple feeder assembly being connected with luminaire，Described feeder assembly passes through circuit breaker Q F1、QF2、QF3、QF4 is connected with the illuminating line of respective luminaire，Powered by alternating current power supply respectively at the two ends of described luminaire and DC source is powered，It is characterized in that，Described alternating current power supply is connected with described luminaire after being sequentially connected with chopper and A.C. contactor 2KM，Two ac circuits it are provided with between described chopper and A.C. contactor 2KM，Wherein，One ac circuit successively by after control knob SB and the coils connected in series of auxiliary reclay K with exchange illuminating line and be connected，Another ac circuit successively by after the break contact of auxiliary reclay K and the coils connected in series of A.C. contactor 2KM with exchange illuminating line and be connected；nullDescribed DC source is connected with described luminaire after being sequentially connected with chopper and D.C. contactor 1KM，A DC loop it is provided with between this chopper and D.C. contactor 1KM，This DC loop is successively by fuse、The break contact of D.C. contactor 1KM、The coil of D.C. contactor 1KM、With DC lighting connection after the series connection of auxiliary reclay K moving together contact，The coil of described D.C. contactor 1KM、Break contact and display lamp two L2 of the A.C. contactor 2KM being arranged in series also it is arranged in parallel on the branch road that the moving together contact of auxiliary reclay K is in series，Described D.C. contactor coil、Moving together contact and display lamp one L1 of the D.C. contactor being arranged in series also it is arranged in parallel on the branch road that auxiliary reclay moving together contact is in series，And be in parallel with moving together contact and display lamp one L1 of the D.C. contactor 1KM being arranged in series after A.C. contactor break contact and display lamp two L2 series connection，It is also associated with press control on described control knob SB，Described press control is connected with optical sensor T.
After this utility model utilizes the break contact of auxiliary reclay must return to, its moving together contact could close；Otherwise, after its moving together contact must return to, break contact could close, therefore, illumination switching device of the present utility model is when switching circuit, and it does not exist the time difference of mechanically two auxiliary contacts, solves ac power supply circuit and does not also disconnect, the problem that direct current power supply loop has turned on, it is ensured that switch correct and loop safety.
Claims (1)
1. a substation accident automatic lighting switching device, it includes multiple feeder assembly being connected with luminaire, described feeder assembly is connected with the illuminating line of respective luminaire by chopper, powered by alternating current power supply respectively at the two ends of described luminaire and DC source is powered, it is characterized in that, described alternating current power supply is connected with described luminaire after being sequentially connected with chopper and A.C. contactor, two ac circuits it are provided with between described chopper and A.C. contactor, wherein, one ac circuit successively by after control knob and the coils connected in series of auxiliary reclay with exchange illuminating line and be connected, another ac circuit successively by after the break contact of auxiliary reclay and the coils connected in series of A.C. contactor with exchange illuminating line and be connected；nullDescribed DC source is connected with described luminaire after being sequentially connected with chopper and D.C. contactor，A DC loop it is provided with between this chopper and D.C. contactor，This DC loop is successively by fuse、D.C. contactor break contact、D.C. contactor coil、With DC lighting connection after the series connection of auxiliary reclay moving together contact，Described D.C. contactor coil、The A.C. contactor break contact and display lamp two being arranged in series also it is arranged in parallel on the branch road that auxiliary reclay moving together contact is in series，Described D.C. contactor coil、Moving together contact and the display lamp one of the D.C. contactor being arranged in series also it is arranged in parallel on the branch road that auxiliary reclay moving together contact is in series，And be in parallel with moving together contact and the display lamp one of the D.C. contactor being arranged in series after A.C. contactor break contact and display lamp two series connection，It is also associated with press control on described control knob，Described press control is connected with optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073627.6U CN205453281U (en) | 2015-12-22 | 2015-12-22 | Emergency lighting automatic switching control equipment of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073627.6U CN205453281U (en) | 2015-12-22 | 2015-12-22 | Emergency lighting automatic switching control equipment of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453281U true CN205453281U (en) | 2016-08-10 |
Family
ID=56585039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521073627.6U Expired - Fee Related CN205453281U (en) | 2015-12-22 | 2015-12-22 | Emergency lighting automatic switching control equipment of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449049A (en) * | 2018-10-30 | 2019-03-08 | 中车南京浦镇车辆有限公司 | A kind of feeder line contactor control circuit based on railcar |
| CN112441192A (en) * | 2020-12-12 | 2021-03-05 | 长沙中联泵业股份有限公司 | Pontoon type water taking pump station |
| CN112441192B (en) * | 2020-12-12 | 2024-04-26 | 长沙中联泵业股份有限公司 | Floating boat type water taking pump station |
-
2015
- 2015-12-22 CN CN201521073627.6U patent/CN205453281U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449049A (en) * | 2018-10-30 | 2019-03-08 | 中车南京浦镇车辆有限公司 | A kind of feeder line contactor control circuit based on railcar |
| CN109449049B (en) * | 2018-10-30 | 2020-03-31 | 中车南京浦镇车辆有限公司 | Feeder contactor control circuit based on subway vehicle |
| CN112441192A (en) * | 2020-12-12 | 2021-03-05 | 长沙中联泵业股份有限公司 | Pontoon type water taking pump station |
| CN112441192B (en) * | 2020-12-12 | 2024-04-26 | 长沙中联泵业股份有限公司 | Floating boat type water taking pump station |
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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: 20160810 Termination date: 20161222 |