CN109659841B - Secondary wiring circuit of isolation cabinet - Google Patents
Secondary wiring circuit of isolation cabinet Download PDFInfo
- Publication number
- CN109659841B CN109659841B CN201811558664.4A CN201811558664A CN109659841B CN 109659841 B CN109659841 B CN 109659841B CN 201811558664 A CN201811558664 A CN 201811558664A CN 109659841 B CN109659841 B CN 109659841B
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- China
- Prior art keywords
- power supply
- switch
- circuit breaker
- electromagnetic lock
- handcart
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- 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 invention relates to a secondary wiring circuit of an isolation cabinet, which comprises a control power supply and a first miniature circuit breaker, handcart chassis electromagnetic lock, analog display working power supply and back door electromagnetic lock, control power supply has circuit breaker and handcart chassis electromagnetic lock through first miniature circuit breaker series connection, handcart chassis electromagnetic lock output is connected with first miniature circuit breaker, circuit breaker incoming end and handcart chassis electromagnetic lock connect the end and have first switch and analog display working power supply in parallel, the second switch that is connected with control power supply on the first switch in parallel, first switch has first miniature circuit breaker through the working position pilot lamp series connection, the second switch has first miniature circuit breaker through experimental position pilot lamp series connection, analog display working power supply output is equipped with the back door electromagnetic lock that is connected with control power supply, back door electromagnetic lock fixed mounting is indoor in the instrument, the indoor lighting circuit system that is equipped with of instrument. Has the advantages that: the invention has strong applicability, safety and stability, and reduces the failure rate of equipment.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a secondary wiring circuit of an isolation cabinet.
Background
In the high-voltage distribution wiring, it should have an explicit disconnection point to require between switch and the power (circuit), can guarantee to examine and repair the time can see that the power is disconnected to ensure personal safety, so before the high-voltage board inlet wire switch, often set up an isolation cabinet, wherein set up isolator or isolator dolly, open this isolator when having a power failure and examining and repairing, contact with guaranteeing high-voltage board and power disconnection.
When a vacuum circuit breaker and a busbar are arranged above a cabinet in a bus-coupled cabinet in a high-voltage cabinet, the outgoing line of the vacuum circuit breaker of the bus-coupled cabinet is bound to be below, and the rear-section busbar for interconnection is also above, so that the busbar is returned to the upper part from the lower part of the bus-coupled cabinet, the process cannot be finished in the high-voltage bus-coupled cabinet, the requirement that the electrical gap cannot be met is mainly considered, and an isolation cabinet is required.
The inside normal work that can not show the circuit of current isolation cabinet, also can not carry out the circuit detection through the experiment, the power short circuit or when breaking down, the locking under auto-lock and the open circuit state can not appear in the door body, it is higher to the temperature regulation requirement inside the isolation cabinet, need reach certain balance range and guarantee the normal work of electric with this, the instrument room does not have lighting apparatus usually, also be convenient for personnel's maintenance and equipment's use under the dark condition, the security performance has been reduced.
Disclosure of Invention
The invention aims to provide a secondary wiring circuit of an isolation cabinet, and provides the secondary wiring circuit of the isolation cabinet, which has low equipment failure rate, safety and stability and strong applicability.
In order to achieve the above purpose, the invention adopts the technical scheme that: a secondary wiring circuit of an isolation cabinet comprises a control power supply, a first miniature circuit breaker, a handcart chassis electromagnetic lock, a simulation display working power supply and a back door electromagnetic lock, wherein the control power supply is connected with a circuit breaker and the handcart chassis electromagnetic lock in series through the first miniature circuit breaker, the handcart chassis electromagnetic lock output end is connected with the first miniature circuit breaker, the circuit breaker input end and the handcart chassis electromagnetic lock output end are connected in parallel through a first switch and the simulation display working power supply, the first switch is connected with a second switch connected with the control power supply in parallel, the first switch is connected with the first miniature circuit breaker in series through a working position indicator lamp, the second switch is connected with the first miniature circuit breaker in series through a test position indicator lamp, the simulation display working power supply output end is provided with the back door electromagnetic lock connected with the control power supply, the back door electromagnetic lock is fixedly arranged in an instrument room, and a lighting circuit system is arranged in the instrument room;
lighting circuit system includes live wire and zero line, the live wire output establish ties through the second miniature circuit breaker have with the cable chamber light that the zero line is connected, the parallelly connected instrument room light that has on the cable chamber light, the circuit breaker incoming end with instrument room light output end parallelly connected has the heating load power, heating load power input and output are connected with sensor and heater respectively, heating load power incoming end is connected with A phase line, B phase line and C phase line simultaneously and carries out ground protection, heating load power connects the end and is connected with the high-voltage electrified demonstration.
Further, simulation display working power supply one end is connected with signal input, signal input is connected with stand-by end, handcart operating position, handcart experimental position and common port simultaneously, stand-by end, handcart operating position, handcart experimental position and common port one end are connected at the switching value input simultaneously, handcart operating position and handcart experimental position with be connected with third switch and fourth switch between the signal input respectively.
Furthermore, four working power lamps are arranged on the analog display working power supply.
Further, a knob switch is connected between the live wire and the instrument room illuminating lamp.
Furthermore, the high-voltage electrified display access end is connected with a switch state indicator.
Further, signal lamps of the working position indicator lamp and the test position indicator lamp are respectively displayed in red and green.
The invention has the technical effects that: the first miniature circuit breaker on the control power supply is connected with a handcart chassis electromagnetic lock, a working position lamp connected with a first switch and a test position indicator lamp connected with a second switch are matched, the normal state of the power supply can be effectively detected, self-locking isolation can be automatically carried out when a handcart breaks down, the safety of an isolation cabinet can be improved by simulating and displaying the working power supply under the action of a back door electromagnetic lock, an instrument room illuminating lamp and a cable room illuminating lamp in an illuminating circuit system are convenient for personnel to carry out illumination and maintenance under the conditions of power failure and darkness, a sensor on a heating load power supply firstly senses the ambient temperature in the cabinet and then heats the cabinet through a heater so as to maintain the balance of the temperature, a signal is input through a third switch and a fourth switch to input a working position of the handcart and a test position of the handcart so as to eliminate the fault of the isolation switch, and the secondary wiring circuit of the isolation cabinet greatly improves the service performance, the safety and stability are realized, the failure rate of the equipment is reduced, and the method is suitable for popularization and application.
Drawings
FIG. 1 is a schematic diagram of a secondary wiring circuit of the isolation cabinet of the present invention;
FIG. 2 is a wiring diagram of the lighting circuit system of the present invention;
FIG. 3 is a wiring diagram of the switch status indicator of the present invention;
fig. 4 is a schematic diagram of the signal input and switching value input connections of the present invention.
Reference numerals: 1-controlling a power supply; 2-a first miniature circuit breaker; 3-electromagnetic handcart chassis lock; 4-analog display working power supply; 5-back door electromagnetic lock; 6-a circuit breaker; 7-a first switch; 8-a second switch; 9-a working position indicator light; 10-test position indicator light; 11-instrument room; 12-lighting circuitry; 13-a live line; 14-zero line; 15-a second miniature circuit breaker; 16-cable house lights; 17-instrument room lights; 18-heating load power supply; 19-a sensor; 20-a heater; 21-high voltage charge display; 22-signal input; 23-spare end; 24-handcart working position; 25-handcart test position; 26-a common terminal; 27-switching value input; 28-a third switch; 29-a fourth switch; 30-a knob switch; 31-switch status indicator.
Detailed Description
Referring to the attached figures 1-4, a secondary wiring circuit of an isolation cabinet comprises a control power supply 1, a first miniature circuit breaker 2, a handcart chassis electromagnetic lock 3, a simulation display working power supply 4 and a back door electromagnetic lock 5, wherein the control power supply 1 is connected with a circuit breaker 6 and the handcart chassis electromagnetic lock 3 in series through the first miniature circuit breaker 2, the output end of the handcart chassis electromagnetic lock 3 is connected with the first miniature circuit breaker 2, the incoming end of the circuit breaker 6 and the outgoing end of the handcart chassis electromagnetic lock 3 are connected with a first switch 7 and the simulation display working power supply 4 in parallel, a second switch 8 connected with the control power supply 1 is connected on the first switch 7 in parallel, the first switch 7 is connected with the first miniature circuit breaker 2 in series through a working position indicator lamp 9, the second switch 8 is connected with the first miniature circuit breaker 2 in series through a test position indicator lamp 10, the output end of the analog display working power supply 4 is provided with the rear door electromagnetic lock 5 connected with the control power supply 1, the rear door electromagnetic lock 5 is fixedly arranged in an instrument room 11, and a lighting circuit system 12 is arranged in the instrument room 11;
lighting circuit system 12 includes live wire 13 and zero line 14, 13 output ends of live wire through the 15 series connection of second miniature circuit breaker have with the cable chamber light 16 that zero line 14 is connected, the last parallel connection of cable chamber light 16 has instrument room light 17, 6 incoming ends of circuit breaker with 17 output ends of instrument room light are connected in parallel has heating load power 18, heating load power 18 input and output are connected with sensor 19 and heater 20 respectively, heating load power 18 incoming end is connected with A phase line, B phase line and C phase line simultaneously and carries out ground protection, heating load power 18 connects the output and is connected with high-voltage electrified demonstration 21.
Analog display working power supply 4 one end is connected with signal input 22, signal input 22 is connected with stand-by end 23, handcart operating position 24, handcart experimental position 25 and common port 26 simultaneously, stand-by end 23, handcart operating position 24, handcart experimental position 25 and common port 26 one end are connected simultaneously at switching value input 27, handcart operating position 24 and handcart experimental position 25 with be connected with third switch 28 and fourth switch 29 between the signal input 22 respectively.
Preferably, the first miniature circuit breaker 2 on the control power supply 1 is connected with a handcart chassis electromagnetic lock 3, a working position indicator lamp 9 connected with a first switch 7 is matched with a test position indicator lamp 10 connected with a second switch 8, the normal state of the power supply can be effectively detected, and the handcart can be automatically subjected to self-locking isolation when in fault, the safety of the isolation cabinet can be improved by simulating and displaying the working power supply 4 under the action of a back door electromagnetic lock 5, an instrument room illuminating lamp 17 and a cable room illuminating lamp 16 in an illuminating circuit system 12 are convenient for personnel to carry out illumination maintenance under the conditions of power failure and darkness, a sensor 19 on a heating load power supply 18 firstly senses the ambient temperature in the cabinet and then is heated by a heater 20 to maintain the balance of the temperature, a signal input 22 inputs signals to a handcart working position 24 and a handcart test position 25 through a third switch 28 and a fourth switch 29 to eliminate the fault of the isolation switch, such isolation cabinet secondary wiring circuit has improved performance greatly, and safety and stability has reduced the fault rate of equipment, is fit for popularizing and applying.
Preferably, four working power lamps are arranged on the analog display working power supply 4.
Preferably, a knob switch 30 is connected between the live wire 13 and the instrument room illumination lamp 17.
Preferably, the switch state indicator 31 is connected to the access end of the high-voltage live display 21, and the switch state indicator 31 can timely reflect the working state of the high-voltage live display 21.
Preferably, the signal lights of the working position indicator light 9 and the test position indicator light 10 are displayed in red and green respectively.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an isolator secondary wiring circuit, its characterized in that, including control power supply (1), first miniature circuit breaker (2), handcart chassis electromagnetic lock (3), analog display working power supply (4) and back door electromagnetic lock (5), control power supply (1) through first miniature circuit breaker (2) establish ties have circuit breaker (6) and handcart chassis electromagnetic lock (3), handcart chassis electromagnetic lock (3) output with first miniature circuit breaker (2) are connected, circuit breaker (6) incoming end with handcart chassis electromagnetic lock (3) connect the outgoing end and connect in parallel have first switch (7) with analog display working power supply (4), on first switch (7) connect in parallel have with second switch (8) that control power supply (1) is connected, first switch (7) have through working position pilot lamp (9) establish ties first miniature circuit breaker (2), the second switch (8) is connected in series with the first miniature circuit breaker (2) through a test position indicator lamp (10), the rear door electromagnetic lock (5) connected with the control power supply (1) is arranged at the output end of the analog display working power supply (4), the rear door electromagnetic lock (5) is fixedly installed in an instrument room (11), and a lighting circuit system (12) is arranged in the instrument room (11);
lighting circuit system (12) include live wire (13) and zero line (14), live wire (13) output establish ties through second miniature circuit breaker (15) have with cable chamber light (16) that zero line (14) are connected, parallelly connected instrument room light (17) on cable chamber light (16), circuit breaker (6) incoming end with instrument chamber light (17) output is parallelly connected has heating load power (18), heating load power (18) input and output are connected with sensor (19) and heater (20) respectively, heating load power (18) incoming end is connected with A phase line, B phase line and C phase line simultaneously and carries out ground protection, heating load power (18) connect the output and are connected with high-voltage electrified demonstration (21).
2. The secondary wiring circuit of the isolation cabinet according to claim 1, wherein one end of the analog display working power supply (4) is connected with a signal input (22), the signal input (22) is simultaneously connected with a standby terminal (23), a handcart working position (24), a handcart testing position (25) and a public terminal (26), one ends of the standby terminal (23), the handcart working position (24), the handcart testing position (25) and the public terminal (26) are simultaneously connected at a switching value input (27), and a third switch (28) and a fourth switch (29) are respectively connected between the handcart working position (24) and the handcart testing position (25) and the signal input (22).
3. The secondary wiring circuit of the isolation cabinet as claimed in claim 1 or 2, wherein four working power lamps are arranged on the analog display working power supply (4).
4. The secondary wiring circuit of the isolation cabinet as claimed in claim 1, wherein a knob switch (30) is connected between the live wire (13) and the instrument room illumination lamp (17).
5. The secondary wiring circuit of the isolation cabinet as claimed in claim 1, wherein the switch state indicator (31) is connected to the access end of the high-voltage live display (21).
6. An insulation cabinet secondary wiring circuit as claimed in claim 1, characterized in that the signal lights of both the working position indicator light (9) and the test position indicator light (10) are displayed in red and green respectively.
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 CN109659841A (en) | 2019-04-19 |
| CN109659841B true CN109659841B (en) | 2020-06-26 |
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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 |
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| CN (1) | CN109659841B (en) |
Families Citing this family (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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| CN1044877A (en) * | 1989-02-07 | 1990-08-22 | 肯布拉煤炭控股公司 | Automatically controlled door interlock system and method |
| 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 |
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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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7544908B2 (en) * | 2007-06-26 | 2009-06-09 | Abb Technology Ag | Circuit breaker cradle with an interlock system and a method of using the same |
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2018
- 2018-12-19 CN CN201811558664.4A patent/CN109659841B/en active Active
Patent Citations (10)
| 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 |
| 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 |
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| Publication number | Publication date |
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| CN109659841A (en) | 2019-04-19 |
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