CN109659841A - A kind of isolation cabinet secondary connection circuit - Google Patents
A kind of isolation cabinet secondary connection circuit Download PDFInfo
- Publication number
- CN109659841A CN109659841A CN201811558664.4A CN201811558664A CN109659841A CN 109659841 A CN109659841 A CN 109659841A CN 201811558664 A CN201811558664 A CN 201811558664A CN 109659841 A CN109659841 A CN 109659841A
- Authority
- CN
- China
- Prior art keywords
- switch
- power supply
- electromagnetic lock
- handcart
- breaker
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/10—Indicating electrical condition of gear; Arrangement of test sockets
Abstract
The present invention relates to a kind of isolation cabinet secondary connection circuits, including controlling power supply, first miniature circuit breaker, handcart chassis electromagnetic lock, simulative display working power and back door electromagnetic lock, it controls power supply and breaker and handcart chassis electromagnetic lock is in series with by the first miniature circuit breaker, handcart chassis electromagnetic lock output end is connected with the first miniature circuit breaker, breaker incoming end and handcart chassis electromagnetic lock pick out end and are parallel with first switch and simulative display working power, the second switch being connected with control power supply is parallel in first switch, first switch is in series with the first miniature circuit breaker by operating position indicator light, second switch is in series with the first miniature circuit breaker by testing position indicator light, simulative display working power output end is equipped with the back door electromagnetic lock being connected with control power supply, back door electromagnetic lock is fixedly installed in control room, in control room Equipped with lighting circuit system.The utility model has the advantages that application of the present invention is strong, safety and stability reduces the failure rate of equipment.
Description
Technical field
The present invention relates to technical field of electric equipment, and in particular to a kind of isolation cabinet secondary connection circuit.
Background technique
In high voltage power distribution wiring, it is desirable that there should be a specific cut-off point between power switch and power supply (route), it can
It can be seen that power supply is disconnected when guaranteeing maintenance, to ensure personal safety, so before high-voltage board incoming switch, often
One isolation cabinet, setting disconnecting switch therein or disconnecting switch trolley are set, beat this disconnecting switch in interruption maintenance
It opens, to guarantee high-voltage board and power supply decoupling.
When the top situation for occurring having vacuum circuit breaker and busbar in cabinet in mother cabinet in high-voltage board, mother cabinet vacuum
Breaker outgoing line is inevitable in lower section, and the back segment busbar got in touch with is also above, " to return busbar from the lower section of mother cabinet so obtaining
Go back to top ", and this process, it cannot be completed in high pressure mother cabinet, mainly in view of electric clearance cannot be met the requirements, institute
Match an isolation cabinet to obtain.
Inside existing isolation cabinet can not display circuit normal work, can not pass through test carry out circuit inspection
When survey, power supply short circuit or failure, the locking under self-locking and off state can not occur in door body, be isolated inside cabinet to temperature
Degree adjusting is more demanding, and the range of balance for needing to reach certain guarantees the normal work of electricity piece, usual nothing in control room with this
Lighting installation can not be also convenient for the maintenance of personnel and the use of equipment under dark condition, reduce security performance.
Summary of the invention
It is an object of the present invention to provide a kind of isolation cabinet secondary connection circuit, provide that a kind of equipment failure rate is low, safety and stability
The isolation cabinet secondary connection circuit strong with application.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: a kind of isolation cabinet secondary connection circuit, including control
Power supply, the first miniature circuit breaker, handcart chassis electromagnetic lock, simulative display working power and back door electromagnetic lock processed, the control electricity
Source is in series with breaker and handcart chassis electromagnetic lock by first miniature circuit breaker, and handcart chassis electromagnetic lock is defeated
Outlet is connected with first miniature circuit breaker, and the breaker incoming end and handcart chassis electromagnetic lock pick out end parallel connection
There are first switch and the simulative display working power, the to be connected with the control power supply is parallel in the first switch
Two switches, the first switch are in series with first miniature circuit breaker by operating position indicator light, and the second switch is logical
Overtesting position indicator is in series with first miniature circuit breaker, the simulative display working power output end be equipped with it is described
Control power supply is connected the back door electromagnetic lock, and the back door electromagnetic lock is fixedly installed in control room, in the control room
Equipped with lighting circuit system；
The lighting circuit system includes firewire and zero curve, and the fire wire output end is in series with by the second miniature circuit breaker
The cable room illumination lamp being connected with the zero curve, instrument room illumination lamp after series connection is parallel on the cable room illumination lamp and
The breaker, the breaker incoming end and the instrument room illumination lamp output end are parallel with heating load power supply, described to add
Heat load power input and output end are connected separately with sensor and heater, and the heating load power access end connects simultaneously
It is connected to A phase line, B phase line and C phase line and carries out ground protection, the heating load power supply picks out end, and to be connected with electrification in high voltage aobvious
Show.
Further, simulative display working power one end is connected with signal input, and the signal is inputted while being connected
There are spare end, handcart operating position, handcart testing position and common end, the spare end, handcart operating position, handcart test position
It sets and common end one end while being connected to On-off signal, the handcart operating position and handcart testing position and the signal are defeated
Third switch and the 4th switch are connected separately between entering.
Further, the simulative display working power is equipped with the working power lamp that quantity is four.
Further, rotary switch is connected between the firewire and the instrument room illumination lamp.
Further, the HV live displaying incoming end is connected with state indicator.
Further, the signal lamp of both the operating position indicator light and described testing position indicator light is respectively with red green
Display.
The technical effects of the invention are that: the first miniature circuit breaker connects handcart chassis electromagnetic lock, cooperation on control power supply
The testing position indicator light that the operating position lamp of first switch connection is connected with second switch, can effectively detect the normal of power supply
State and handcart can carry out self-locking isolation, effect of the simulative display working power in back door electromagnetic lock when breaking down automatically
Under, the safety of isolation cabinet can be increased, the cable room illumination lamp in instrument room illumination lamp and lighting circuit system is convenient for personnel
It is powering off and is carrying out illumination maintenance under dark condition, the sensor on heating load power supply senses the environment temperature in cabinet first
Degree, then the balance that temperature is maintained with this is heated by heater, signal input will letter by third switch and the 4th switch
Number handcart operating position and handcart testing position are input to exclude the fault of disconnecting switch, such isolation cabinet secondary connection
Circuit substantially increases service performance, and safety and stability reduces the failure rate of equipment, is suitble to promote and apply.
Detailed description of the invention
Fig. 1 is the schematic diagram of present invention isolation cabinet secondary connection circuit；
Fig. 2 is the wiring diagram of lighting circuit system of the present invention；
Fig. 3 is the wiring diagram of state indicator of the present invention；
Fig. 4 is that signal of the present invention inputs the schematic diagram connected with On-off signal.
Appended drawing reference: 1- controls power supply；The first miniature circuit breaker of 2-；3- handcart chassis electromagnetic lock；The work of 4- simulative display
Power supply；The back door 5- electromagnetic lock；6- breaker；7- first switch；8- second switch；The operating position 9- indicator light；10- testing position
Indicator light；The control room 11-；12- lighting circuit system；13- firewire；14- zero curve；The second miniature circuit breaker of 15-；The cable vault 16-
Headlamp；17- instrument room illumination lamp；18- heating load power supply；19- sensor；20- heater；21- HV live displaying；
The input of 22- signal；The spare end 23-；24- handcart operating position；25- handcart testing position；The common end 26-；27- switching value is defeated
Enter；28- third switch；29- the 4th is switched；30- rotary switch；31- state indicator.
Specific embodiment
Referring to attached drawing 1-4, a kind of isolation cabinet secondary connection circuit, including control power supply 1, the first miniature circuit breaker 2, handcart
Chassis electromagnetic lock 3, simulative display working power 4 and back door electromagnetic lock 5, the control power supply 1 pass through the described first small-sized open circuit
Device 2 is in series with breaker 6 and handcart chassis electromagnetic lock 3,3 output end of handcart chassis electromagnetic lock and described first small-sized
Breaker 2 is connected, and 6 incoming end of breaker and handcart chassis electromagnetic lock 3 pick out end and be parallel with first switch 7 and institute
Simulative display working power 4 is stated, the second switch 8 being connected with the control power supply 1, institute are parallel in the first switch 7
It states first switch 7 and first miniature circuit breaker 2 is in series with by operating position indicator light 9, the second switch 8 passes through test
Position indicator 10 is in series with first miniature circuit breaker 2, and 4 output end of simulative display working power is equipped with and the control
Power supply 1 processed is connected the back door electromagnetic lock 5, and the back door electromagnetic lock 5 is fixedly installed in control room 11, the control room
Lighting circuit system 12 is equipped in 11；
The lighting circuit system 2 includes firewire 13 and zero curve 14, and 13 output end of firewire passes through the second small-sized open circuit
Device 15 is in series with the cable room illumination lamp 16 being connected with the zero curve 14, after being parallel with series connection on the cable room illumination lamp 16
Instrument room illumination lamp 17 and the breaker 6,6 incoming end of breaker and 17 output end of instrument room illumination lamp are in parallel
There is heating load power supply 18,18 input terminal of heating load power supply and output end are connected separately with sensor 19 and heater
20,18 incoming end of heating load power supply is connected with A phase line, B phase line and C phase line simultaneously and carries out ground protection, described to add
Heat load power supply 18 picks out end and is connected with HV live displaying 21.
Described 4 one end of simulative display working power is connected with signal input 22, and the signal input 22 is connected with standby simultaneously
With end 23, handcart operating position 24, handcart testing position 25 and common end 26, the spare end 23, handcart operating position 24, hand
Vehicle testing position 25 and 26 one end of common end are connected to On-off signal 27, the handcart operating position 24 and handcart test simultaneously
Third switch 28 and the 4th switch 29 are connected separately between position 25 and signal input 22.
Preferably, it controls the first miniature circuit breaker 2 on power supply 1 and connects handcart chassis electromagnetic lock 3, cooperation first switch 7 connects
The testing position indicator light 10 of operating position indicator light 9 and second switch 8 connection connect, can effectively detect the normal shape of power supply
State and handcart can carry out self-locking isolation, effect of the simulative display working power 4 in back door electromagnetic lock 5 when breaking down automatically
Under, it can increase the safety of isolation cabinet, the cable room illumination lamp 16 in instrument room illumination lamp 17 and lighting circuit system 12, just
It is powering off in personnel and is carrying out illumination maintenance under dark condition, the sensor 19 on heating load power supply 18 senses in cabinet first
Environment temperature, then the balance that temperature is maintained with this is heated by heater 20, signal input 22 passes through third switch 28
Wheeler input a signal into the 4th switch 29 make position 24 and handcart testing position 25 exclude the fault of disconnecting switch,
Such isolation cabinet secondary connection circuit substantially increases service performance, and safety and stability reduces the failure rate of equipment, is suitble to push away
Wide application.
Preferably, the simulative display working power 4 is equipped with the working power lamp that quantity is four.
Preferably, rotary switch 30 is connected between the firewire 13 and the instrument room illumination lamp 17.
Preferably, 21 incoming end of HV live displaying is connected with state indicator 31, state indicator
31 can timely react the working condition of HV live displaying 21.
Preferably, the signal lamp of 10 the two of the operating position indicator light 9 and the testing position indicator light is respectively with red
Green display.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of isolation cabinet secondary connection circuit, which is characterized in that including controlling power supply (1), the first miniature circuit breaker (2), hand
Chassis electromagnetic lock (3), simulative display working power (4) and back door electromagnetic lock (5), the control power supply (1) pass through described the
One miniature circuit breaker (2) is in series with breaker (6) and handcart chassis electromagnetic lock (3), and handcart chassis electromagnetic lock (3) is defeated
Outlet is connected with first miniature circuit breaker (2), breaker (6) incoming end and handcart chassis electromagnetic lock (3)
It picks out end and is parallel with first switch (7) and the simulative display working power (4), be parallel on the first switch (7) and institute
The second switch (8) that control power supply (1) is connected is stated, the first switch (7) is connected by operating position indicator light (9)
It states the first miniature circuit breaker (2), it is small-sized disconnected that the second switch (8) by testing position indicator light (10) is in series with described first
Road device (2), simulative display working power (4) output end are equipped with the back door electricity for being connected described with control power supply (1)
Magnetic padlock (5), the back door electromagnetic lock (5) are fixedly installed in control room (11), and lighting circuit is equipped in the control room (11)
System (12)；
The lighting circuit system (2) includes firewire (13) and zero curve (14), and firewire (13) output end is small-sized by second
Breaker (15) is in series with the cable room illumination lamp (16) being connected with the zero curve (14), on the cable room illumination lamp (16)
Instrument room illumination lamp (17) and the breaker (6) after being parallel with series connection, breaker (6) incoming end and the control room
Headlamp (17) output end is parallel with heating load power supply (18), heating load power supply (18) input terminal and output end difference
It is connected with sensor (19) and heater (20), heating load power supply (18) incoming end is connected with A phase line, B phase line simultaneously
With C phase line and progress ground protection, the heating load power supply (18) pick out end and are connected with HV live displaying (21).
2. a kind of isolation cabinet secondary connection circuit according to claim 1, which is characterized in that the simulative display work electricity
Source (4) one end is connected with signal input (22), and the signal input (22) is connected with spare end (23), handcart operating position simultaneously
(24), handcart testing position (25) and common end (26), the spare end (23), handcart operating position (24), handcart test position
It sets (25) and common end (26) one end while being connected to On-off signal (27), the handcart operating position (24) and handcart test
Third switch (28) and the 4th switch (29) are connected separately between position (25) and signal input (22).
3. a kind of isolation cabinet secondary connection circuit according to claim 1 or 2, which is characterized in that the simulative display work
Make the working power lamp that power supply (4) are four equipped with quantity.
4. a kind of isolation cabinet secondary connection circuit according to claim 1, which is characterized in that the firewire (13) and described
Rotary switch (30) are connected between instrument room illumination lamp (17).
5. a kind of isolation cabinet secondary connection circuit according to claim 1, which is characterized in that the HV live displaying
(21) incoming end is connected with state indicator (31).
6. a kind of isolation cabinet secondary connection circuit according to claim 1, which is characterized in that the operating position indicator light
(9) and the signal lamp of the testing position indicator light (10) the two is respectively with red green display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558664.4A CN109659841B (en) | 2018-12-19 | 2018-12-19 | Secondary wiring circuit of isolation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558664.4A CN109659841B (en) | 2018-12-19 | 2018-12-19 | Secondary wiring circuit of isolation cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109659841A true CN109659841A (en) | 2019-04-19 |
| CN109659841B CN109659841B (en) | 2020-06-26 |
Family
ID=66114953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558664.4A Active CN109659841B (en) | 2018-12-19 | 2018-12-19 | Secondary wiring circuit of isolation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109659841B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380354A (en) * | 2019-05-29 | 2019-10-25 | 湖北中科能能源技术有限公司 | A kind of station photovoltaic power generation 10kv control circuit for becoming cabinet |
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| US20090000925A1 (en) * | 2007-06-26 | 2009-01-01 | Abb Technology Ag | circuit breaker cradle with an interlock system and a method of using the same |
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| CN204696533U (en) * | 2015-03-30 | 2015-10-07 | 盛道（中国）电气有限公司 | The electric blocking circuit of Medium Voltage Switchgear |
| CN105226552A (en) * | 2015-10-16 | 2016-01-06 | 合肥科菲电气技术有限公司 | The aobvious device of Intelligent switch cabinet behaviour and control method thereof |
| CN205140809U (en) * | 2015-11-19 | 2016-04-06 | 中国西电集团公司 | Handcart -type cubical switchboard locking circuit |
| CN205231477U (en) * | 2015-12-11 | 2016-05-11 | 福州万山电力咨询有限公司 | Join in marriage electrical engineering and keep apart cabinet control system |
| CN205863761U (en) * | 2016-05-20 | 2017-01-04 | 湖南雁能森源电力设备有限公司 | A kind of high-tension switch gear electric interlocking loop |
| CN106486911A (en) * | 2016-11-25 | 2017-03-08 | 国网河南新密市供电公司 | Install the isolation cabinet handcart of live locking element additional |
| CN108107286A (en) * | 2016-11-25 | 2018-06-01 | 呼和浩特苁蓉科技有限责任公司 | High pressure transformation and distribution system grid switching operation analog simulation experimental bench |
-
2018
- 2018-12-19 CN CN201811558664.4A patent/CN109659841B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044877A (en) * | 1989-02-07 | 1990-08-22 | 肯布拉煤炭控股公司 | Automatically controlled door interlock system and method |
| US20090000925A1 (en) * | 2007-06-26 | 2009-01-01 | Abb Technology Ag | circuit breaker cradle with an interlock system and a method of using the same |
| CN201674143U (en) * | 2010-05-14 | 2010-12-15 | 徐州通力电器设备有限责任公司 | Mine general handcart type vacuum power distribution cabinet |
| CN203826840U (en) * | 2014-05-13 | 2014-09-10 | 重庆莱格特电气有限公司 | Control device of high voltage switch cabinet |
| CN204696533U (en) * | 2015-03-30 | 2015-10-07 | 盛道（中国）电气有限公司 | The electric blocking circuit of Medium Voltage Switchgear |
| CN105226552A (en) * | 2015-10-16 | 2016-01-06 | 合肥科菲电气技术有限公司 | The aobvious device of Intelligent switch cabinet behaviour and control method thereof |
| CN205140809U (en) * | 2015-11-19 | 2016-04-06 | 中国西电集团公司 | Handcart -type cubical switchboard locking circuit |
| CN205231477U (en) * | 2015-12-11 | 2016-05-11 | 福州万山电力咨询有限公司 | Join in marriage electrical engineering and keep apart cabinet control system |
| CN205863761U (en) * | 2016-05-20 | 2017-01-04 | 湖南雁能森源电力设备有限公司 | A kind of high-tension switch gear electric interlocking loop |
| CN106486911A (en) * | 2016-11-25 | 2017-03-08 | 国网河南新密市供电公司 | Install the isolation cabinet handcart of live locking element additional |
| CN108107286A (en) * | 2016-11-25 | 2018-06-01 | 呼和浩特苁蓉科技有限责任公司 | High pressure transformation and distribution system grid switching operation analog simulation experimental bench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380354A (en) * | 2019-05-29 | 2019-10-25 | 湖北中科能能源技术有限公司 | A kind of station photovoltaic power generation 10kv control circuit for becoming cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109659841B (en) | 2020-06-26 |
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