CN105811256A - Switch cabinet state monitoring device - Google Patents
Switch cabinet state monitoring device Download PDFInfo
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- CN105811256A CN105811256A CN201410847437.9A CN201410847437A CN105811256A CN 105811256 A CN105811256 A CN 105811256A CN 201410847437 A CN201410847437 A CN 201410847437A CN 105811256 A CN105811256 A CN 105811256A
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- earthing
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- handcart
- energy storage
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Abstract
The invention provides a switch cabinet state monitoring device. The existing complete set of intelligent operation equipment, which must be accessed to the current and the voltage and is not reliable in internal secondary circuit, easily causes the secondary open-circuit phenomenon of CT and the secondary short-circuit phenomenon of PT so as to bring hidden dangers for the safety of equipment and people. Meanwhile, when the equipment is damaged, the secondary short-connection and the replacement of the current are difficult in operation. The switch cabinet state monitoring device comprises an operation indicating circuit (20) and a switch-on energy storage circuit (21). The operation indicating circuit (20) and the switch-on energy storage circuit (21) are in electrical connection via a switch-on bus (19). The switch cabinet state monitoring device is used for monitoring the state of a switch cabinet.
Description
Technical field:
The present invention relates to a kind of switch cabinet state supervising device.
Background technology:
Current power system new power plant construction or use of electric substation's 6KV killer switch switch intelligent operation dress more
Put the divide-shut brake on the spot realizing switch, the position of the switch, divide-shut brake, grounding switch instruction, and temperature can be realized, analog quantity shows, integrated comparison is high, but equipment costly fault rate is high.
Some unit in order to save cost remain in screen cabinet in take much room, use large-scale comparison hold high
The secondary circuit that expensive electromagnetic type relay is constituted realizes function above; owing to original paper is exposed to need to be periodically subject to dedusting work; and its loop independence difference partial circuit to be dissolved in the middle of protective loop; bring hidden danger to the stable operation of equipment, dish cabinet panel in a jumble unintelligible also unsightly.
The complete intelligent operation apparatus that current power system 6KV circuit breaker switch cabinet uses, integrated comparison is high but Problems existing a lot, and a lot of functions are also impracticable, brings a lot of trouble to on-site maintenance, and spoilage also compares high replacement cost costliness.
Existing complete intelligent operation apparatus to access electric current and its internal secondary circuit of voltage is unreliable, easily cause CT second open circuit, PT second short circuit brings hidden danger to equipment and personal safety, then has and change also highly difficult when device needs after damaging that electric current secondary carries out short circuit.
Power module quality within existing complete intelligent operation apparatus is unreliable, and the fault rate damaged because of power module is higher, and the light fixture of indicating section is all integrated on circuit board because more complicated cannot be carried out in control loop is changed.
Summary of the invention:
It is an object of the invention to provide a kind of switch cabinet state supervising device.
Above-mentioned purpose is realized by following technical scheme:
A kind of switch cabinet state supervising device, its composition includes: operation instruction loop, combined floodgate tank circuit, and described operation instruction loop is electrically connected by closing bus bar with combined floodgate tank circuit.
Described switch cabinet state supervising device, described operation instruction loop includes handcart position instruction branch road, circuit-breaker switching on-off instruction branch road, earthing divide-shut brake instruction branch road, described handcart position instruction branch road and described circuit-breaker switching on-off instruction branch road and earthing divide-shut brake instruction branch circuit parallel connection in described operation instruction loop.
Described switch cabinet state supervising device, described handcart position instruction branch road includes handcart position and shows
Lamp, handcart operating position and isolated location indicating relay WJ, the stroke contact BT1 of handcart position, described handcart operating position and isolated location indicating relay WJ connect with the stroke contact BT1 of described handcart position, described handcart position display lamp and the stroke contact BT1 of described handcart operating position and isolated location indicating relay WJ and described handcart position are connected in parallel in described handcart position instruction branch road, when handcart is in operating position, the stroke contact BT1 of described handcart position disconnects, in described handcart operating position and isolated location indicating relay WJ, excitation-free current passes through, normally closed contact closes, lighting up and down of described handcart position display lamp；When handcart is in isolated location, the stroke contact BT1 Guan Bi of described handcart position, described handcart operating position and isolated location indicating relay WJ have exciting current to pass through, and normal opened contact closes, and lights about described handcart position display lamp.
nullDescribed switch cabinet state supervising device，Described circuit-breaker switching on-off instruction branch road includes circuit-breaker switching on-off display lamp、Breaker open operation and closing position indicating relay H/TWJ、Circuit-breaker switching on-off changeover contact BB3，Described breaker open operation and closing position indicating relay H/TWJ and described circuit-breaker switching on-off changeover contact BB3 series connection，Described circuit-breaker switching on-off display lamp and described breaker open operation and closing position indicating relay H/TWJ and described circuit-breaker switching on-off changeover contact BB3 are connected in parallel in described circuit-breaker switching on-off instruction branch road，When chopper is in closing position，Described circuit-breaker switching on-off changeover contact BB3 disconnects，Described breaker open operation and closing position indicating relay H/TWJ excitation-free current pass through，Normally closed contact closes，Described circuit-breaker switching on-off display lamp is lighted up and down；When chopper is in gate-dividing state, described circuit-breaker switching on-off changeover contact BB3 Guan Bi, described breaker open operation and closing position indicating relay H/TWJ have exciting current to pass through, and normal opened contact is Guan Bi, lights about described handcart position display lamp.
Described switch cabinet state supervising device, described earthing divide-shut brake instruction branch road includes earthing divide-shut brake display lamp, earthing separating brake and combined floodgate indicating relay DWJ, earthing divide-shut brake changeover contact JD, described earthing separating brake and combined floodgate indicating relay DWJ and described earthing divide-shut brake changeover contact JD series connection, described earthing divide-shut brake display lamp and described earthing separating brake and combined floodgate indicating relay DWJ and described earthing divide-shut brake changeover contact JD are connected in parallel in described earthing divide-shut brake instruction branch road, when earthing is in closing position, described earthing divide-shut brake changeover contact JD disconnects, described earthing separating brake and combined floodgate indicating relay DWJ excitation-free current pass through, normally closed contact closes, described earthing divide-shut brake display lamp is lighted up and down；When earthing is in gate-dividing state, described earthing divide-shut brake changeover contact JD Guan Bi, described earthing separating brake and combined floodgate indicating relay DWJ have exciting current to pass through, and normal opened contact is Guan Bi, lights about described earthing divide-shut brake display lamp.
Described switch cabinet state supervising device, described combined floodgate tank circuit includes energy storage signal lights, described energy storage signal lights is connected with energy storage contact BS2, described energy storage contact BS2 connects with fuse, described energy storage signal lights and described energy storage contact BS2 are in parallel with manual closing energy-storing button, described manual closing energy-storing button is connected with energy storage motor, described energy storage motor is connected with energy storage contact BS1, described energy storage contact BS1 connects with fuse, after chopper completes the divide-shut brake of a circulation, described energy storage contact BS1 connects, described combined floodgate tank circuit is connected, described energy storage motor completes energy storage, described energy storage signal lights is lighted.
Described switch cabinet state supervising device, when combined floodgate starts on the spot, described operation instruction loop is connected with described combined floodgate tank circuit, and when separating brake starts on the spot, described operation instruction loop and described combined floodgate tank circuit disconnect.
Beneficial effect:
1. the present invention is capable of chopper breaking-closing operating on the spot, and the instruction of chopper deciliter, grounding switch position, killer switch position can be realized, and package unit is the same with existing intelligent operation apparatus volume during the miniaturization of components and parts, it is only necessary on cabinet door, specification perforate can be installed.
Eliminating on-the-spot and unpractical electric current and voltage analog shows, these analog quantitys all have been carried out in the comprehensive protector of switch, then have the wiring of these analog quantitys to bring greatly inconvenience and potential safety hazard to equipment replacement.
The present invention from on-the-spot actual safeguarding, the reliability of cost and device, it does not have complicated electronic circuit and power module and big reduce equipment cost；Device is internal adopts hardwire, and each element is independently installed replaceability and reached 100%, it is to avoid complete sets of equipment changes the waste brought and easy to maintenance；The electric loop of various piece is relatively independent will not affect the realization of other functions because of the damage of some element, improves the reliability of device further.
The present invention is capable of chopper breaking-closing operating on the spot, and can realize chopper deciliter, ground connection
Disconnecting link position, killer switch position instruction, and during the miniaturization of components and parts, package unit is the same with existing intelligent operation apparatus volume, it is only necessary on cabinet door, specification perforate can be installed.
Present invention eliminates on-the-spot and unpractical electric current and voltage analog shows, these analog quantitys exist
The comprehensive protector of switch all has been carried out, then has the wiring of these analog quantitys to bring greatly inconvenience and potential safety hazard to equipment replacement.
The present invention from on-the-spot actual safeguarding, the reliability of cost and device, it does not have complicated electronic circuit and power module and big reduce equipment cost；Device is internal adopts hardwire, and each element is independently installed replaceability and reached 100%, it is to avoid complete sets of equipment changes the waste brought and easy to maintenance；The electric loop of various piece is relatively independent will not affect the realization of other functions because of the damage of some element, improves the reliability of device further.
Accompanying drawing illustrates:
Accompanying drawing 1 is the circuit theory diagrams of the present invention.
Detailed description of the invention:
Embodiment 1:
A kind of switch cabinet state supervising device, its composition includes: operation instruction loop 20, combined floodgate tank circuit 21, and described operation instruction loop 20 is electrically connected by closing bus bar 19 with combined floodgate tank circuit 21.
Embodiment 2:
Switch cabinet state supervising device according to embodiment 1, described operation instruction loop 20 includes handcart position instruction branch road 22, circuit-breaker switching on-off instruction branch road 23, earthing divide-shut brake instruction branch road 24, and described handcart position instruction branch road 22 is connected in parallel in described operation instruction loop 20 with described circuit-breaker switching on-off instruction branch road 23 and earthing divide-shut brake instruction branch road 24.
Embodiment 3:
Switch cabinet state supervising device according to embodiment 2, described handcart position instruction branch road 22
Including handcart position display lamp 1, handcart operating position and isolated location indicating relay WJ2, the stroke contact BT13 of handcart position, described handcart operating position and isolated location indicating relay WJ2 connect with the stroke contact BT13 of described handcart position, described handcart position display lamp 1 and the stroke contact BT13 of described handcart operating position and isolated location indicating relay WJ2 and described handcart position are connected in parallel in described handcart position instruction branch road 22, when handcart is in operating position, the stroke contact BT13 of described handcart position disconnects, in described handcart operating position and isolated location indicating relay WJ2, excitation-free current passes through, normally closed contact closes, lighting up and down of described handcart position display lamp 1；When handcart is in isolated location, the stroke contact BT13 Guan Bi of described handcart position, described handcart operating position and isolated location indicating relay WJ2 have exciting current to pass through, and normal opened contact closes, and described handcart position display lamp about 1 is lighted.
Embodiment 4:
nullSwitch cabinet state supervising device according to embodiment 2 or 3，Described circuit-breaker switching on-off instruction branch road 23 includes circuit-breaker switching on-off display lamp 7、Breaker open operation and closing position indicating relay H/TWJ5、Circuit-breaker switching on-off changeover contact BB36，Described breaker open operation and closing position indicating relay H/TWJ5 and described circuit-breaker switching on-off changeover contact BB36 series connection，Described circuit-breaker switching on-off display lamp 7 and described breaker open operation and closing position indicating relay H/TWJ5 and described circuit-breaker switching on-off changeover contact BB36 are connected in parallel in described circuit-breaker switching on-off instruction branch road 23，When chopper is in closing position，Described circuit-breaker switching on-off changeover contact BB36 disconnects，Described breaker open operation and closing position indicating relay H/TWJ5 excitation-free current pass through，Normally closed contact closes，Described circuit-breaker switching on-off display lamp about 7 is lighted；When chopper is in gate-dividing state, described circuit-breaker switching on-off changeover contact BB36 Guan Bi, described breaker open operation and closing position indicating relay H/TWJ5 have exciting current to pass through, and normal opened contact is Guan Bi, and described handcart position display lamp about 7 is lighted.
Embodiment 5:
nullAccording to the switch cabinet state supervising device described in embodiment 2 or 3 or 4，Described earthing divide-shut brake instruction branch road 24 includes earthing divide-shut brake display lamp 10、Earthing separating brake and combined floodgate indicating relay DWJ8、Earthing divide-shut brake changeover contact JD9，Described earthing separating brake and combined floodgate indicating relay DWJ8 and described earthing divide-shut brake changeover contact JD9 series connection，Described earthing divide-shut brake display lamp 10 and described earthing separating brake and combined floodgate indicating relay DWJ8 and described earthing divide-shut brake changeover contact JD9 are connected in parallel in described earthing divide-shut brake instruction branch road 24，When earthing is in closing position，Described earthing divide-shut brake changeover contact JD9 disconnects，Described earthing separating brake and combined floodgate indicating relay DWJ8 excitation-free current pass through，Normally closed contact closes，Described earthing divide-shut brake display lamp about 10 is lighted；When earthing is in gate-dividing state, described earthing divide-shut brake changeover contact JD9 Guan Bi, described earthing separating brake and combined floodgate indicating relay DWJ8 have exciting current to pass through, and normal opened contact is Guan Bi, and described earthing divide-shut brake display lamp about 10 is lighted.
Embodiment 6:
nullAccording to the switch cabinet state supervising device described in embodiment 1 or 2 or 3 or 4 or 5，Described combined floodgate tank circuit 21 includes energy storage signal lights 13，Described energy storage signal lights 13 is connected with energy storage contact BS214，Described energy storage contact BS214 connects with fuse 18，Described energy storage signal lights 13 and described energy storage contact BS214 are in parallel with manual closing energy-storing button 15，Described manual closing energy-storing button 15 is connected with energy storage motor 16，Described energy storage motor 16 is connected with energy storage contact BS117，Described energy storage contact BS117 connects with fuse 18，After chopper completes the divide-shut brake of a circulation，Described energy storage contact BS117 connects，Described combined floodgate tank circuit 21 is connected，Described energy storage motor 16 completes energy storage，Described energy storage signal lights 13 is lighted.
Embodiment 7:
According to the switch cabinet state supervising device described in embodiment 1 or 2 or 3 or 4 or 5 or 6, on the spot during combined floodgate 11 startup, described operation instruction loop 20 is connected with described combined floodgate tank circuit 21, and when separating brake 12 starts on the spot, described operation instruction loop 20 disconnects with described combined floodgate tank circuit 21.
Claims (7)
1. a switch cabinet state supervising device, its composition includes: operation instruction loop, it is characterized in that: described operation instruction loop is electrically connected by closing bus bar with combined floodgate tank circuit.
2. switch cabinet state supervising device according to claim 1, it is characterized in that: described operation instruction loop includes handcart position instruction branch road, circuit-breaker switching on-off instruction branch road, earthing divide-shut brake instruction branch road, described handcart position instruction branch road and described circuit-breaker switching on-off instruction branch road and earthing divide-shut brake instruction branch circuit parallel connection in described operation instruction loop.
null3. switch cabinet state supervising device according to claim 2，It is characterized in that: described handcart position instruction branch road includes handcart position display lamp、Handcart operating position and isolated location indicating relay WJ、The stroke contact BT1 of handcart position，Described handcart operating position and isolated location indicating relay WJ connect with the stroke contact BT1 of described handcart position，Described handcart position display lamp and the stroke contact BT1 of described handcart operating position and isolated location indicating relay WJ and described handcart position are connected in parallel in described handcart position instruction branch road，When handcart is in operating position，The stroke contact BT1 of described handcart position disconnects，In described handcart operating position and isolated location indicating relay WJ, excitation-free current passes through，Normally closed contact closes，Lighting up and down of described handcart position display lamp；When handcart is in isolated location, the stroke contact BT1 Guan Bi of described handcart position, described handcart operating position and isolated location indicating relay WJ have exciting current to pass through, and normal opened contact closes, and lights about described handcart position display lamp.
null4. the switch cabinet state supervising device according to Claims 2 or 3，It is characterized in that: described circuit-breaker switching on-off instruction branch road includes circuit-breaker switching on-off display lamp、Breaker open operation and closing position indicating relay H/TWJ、Circuit-breaker switching on-off changeover contact BB3，Described breaker open operation and closing position indicating relay H/TWJ and described circuit-breaker switching on-off changeover contact BB3 series connection，Described circuit-breaker switching on-off display lamp and described breaker open operation and closing position indicating relay H/TWJ and described circuit-breaker switching on-off changeover contact BB3 are connected in parallel in described circuit-breaker switching on-off instruction branch road，When chopper is in closing position，Described circuit-breaker switching on-off changeover contact BB3 disconnects，Described breaker open operation and closing position indicating relay H/TWJ excitation-free current pass through，Normally closed contact closes，Described circuit-breaker switching on-off display lamp is lighted up and down；When chopper is in gate-dividing state, described circuit-breaker switching on-off changeover contact BB3 Guan Bi, described breaker open operation and closing position indicating relay H/TWJ have exciting current to pass through, and normal opened contact is Guan Bi, lights about described handcart position display lamp.
null5. the switch cabinet state supervising device according to Claims 2 or 3 or 4，It is characterized in that: described earthing divide-shut brake instruction branch road includes earthing divide-shut brake display lamp、Earthing separating brake and combined floodgate indicating relay DWJ、Earthing divide-shut brake changeover contact JD，Described earthing separating brake and combined floodgate indicating relay DWJ and described earthing divide-shut brake changeover contact JD series connection，Described earthing divide-shut brake display lamp and described earthing separating brake and combined floodgate indicating relay DWJ and described earthing divide-shut brake changeover contact JD are connected in parallel in described earthing divide-shut brake instruction branch road，When earthing is in closing position，Described earthing divide-shut brake changeover contact JD disconnects，Described earthing separating brake and combined floodgate indicating relay DWJ excitation-free current pass through，Normally closed contact closes，Described earthing divide-shut brake display lamp is lighted up and down；When earthing is in gate-dividing state, described earthing divide-shut brake changeover contact JD Guan Bi, described earthing separating brake and combined floodgate indicating relay DWJ have exciting current to pass through, and normal opened contact is Guan Bi, lights about described earthing divide-shut brake display lamp.
6. the switch cabinet state supervising device according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described combined floodgate tank circuit includes energy storage signal lights, described energy storage signal lights is connected with energy storage contact BS2, described energy storage contact BS2 connects with fuse, described energy storage signal lights and described energy storage contact BS2 are in parallel with manual closing energy-storing button, described manual closing energy-storing button is connected with energy storage motor, described energy storage motor is connected with energy storage contact BS1, described energy storage contact BS1 connects with fuse, after chopper completes the divide-shut brake of a circulation, described energy storage contact BS1 connects, described combined floodgate tank circuit is connected, described energy storage motor completes energy storage, described energy storage signal lights is lighted.
7. the switch cabinet state supervising device according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: when combined floodgate starts on the spot, described operation instruction loop is connected with described combined floodgate tank circuit, when separating brake starts on the spot, described operation instruction loop disconnects with described combined floodgate tank circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847437.9A CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847437.9A CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN105811256A true CN105811256A (en) | 2016-07-27 |
| CN105811256B CN105811256B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847437.9A Active CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
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| CN (1) | CN105811256B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699346U (en) * | 2010-06-18 | 2011-01-05 | 上海安科瑞电气股份有限公司 | Switch cabinet comprehensive indicating device realized by pure hardware circuit |
| CN202260238U (en) * | 2011-10-11 | 2012-05-30 | 合肥伟创电力技术有限公司 | Intelligent display control device for switch cabinet |
| CN202888715U (en) * | 2012-08-27 | 2013-04-17 | 新疆特变电工自控设备有限公司 | Switch-cabinet control unit and switch cabinet |
-
2014
- 2014-12-31 CN CN201410847437.9A patent/CN105811256B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699346U (en) * | 2010-06-18 | 2011-01-05 | 上海安科瑞电气股份有限公司 | Switch cabinet comprehensive indicating device realized by pure hardware circuit |
| CN202260238U (en) * | 2011-10-11 | 2012-05-30 | 合肥伟创电力技术有限公司 | Intelligent display control device for switch cabinet |
| CN202888715U (en) * | 2012-08-27 | 2013-04-17 | 新疆特变电工自控设备有限公司 | Switch-cabinet control unit and switch cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 孙兴丽，刘曙光: "一种开关柜智能操控装置的设计与实现", 《高压电器》 * |
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| Publication number | Publication date |
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| CN105811256B (en) | 2018-07-20 |
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