CN204577975U - A kind of SF6 equipment pressure light alarming device - Google Patents
A kind of SF6 equipment pressure light alarming device Download PDFInfo
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- CN204577975U CN204577975U CN201520347980.2U CN201520347980U CN204577975U CN 204577975 U CN204577975 U CN 204577975U CN 201520347980 U CN201520347980 U CN 201520347980U CN 204577975 U CN204577975 U CN 204577975U
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- push button
- auxiliary relay
- button switch
- normally open
- alarm
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Abstract
The utility model discloses a kind of SF6 equipment pressure light alarming device, comprise alarm cabinet, visual alarm, Switching Power Supply, miniature circuit breaker, power voltage step down device, connecting terminal block, auxiliary relay one, auxiliary relay two, test button, all clear button and the SF6 Pressure gauge be arranged in high-voltage board, alarm cabinet is fixed on high-voltage board, visual alarm is fixed on the top of alarm cabinet, test button and all clear button are fixed on the front door of alarm cabinet cashier's office in a shop side by side, Switching Power Supply, miniature circuit breaker, power voltage step down device, connecting terminal block, auxiliary relay one and auxiliary relay two are all fixed on the inside of alarm cabinet, auxiliary relay one control connection has normally open push button switch one and normally open push button switch two, auxiliary relay two control connection has normally open push button switch three and normally closed push button switch four, not only quick and easy for installation, and it is low to have maintenance cost, the feature that preventive maintenance time is short, the more important thing is that he can realize self-checking function.
Description
Technical field
The utility model relates to a kind of warning device, specifically a kind of SF6 equipment pressure light alarming device.
Background technology
Be a complete totally enclosed system at sealing SF6 gas switch cabinet, once live part and switch are all sealed in stainless housing in its institute.Whole switching device is not by the impact of external environment condition, guarantee operational reliability and personal safety, indoor on-load switch adopts SF6 air pressing type arc quenching method, there is the ability of excellent break performance and folding short circuit current, can frequent operation, reliable in action, has the features such as volume is little, lightweight, non-maintaining, is widely used in switching station.
Under normal circumstances, SF6 be a kind ofly not fire, the inert gas of odorless, the five poisonous creatures: scorpion, viper, centipede, house lizard, toad, but SF6 gas is under arcing, fraction can be decomposed, and generates the subfluoride that some are poisonous, jeopardizes personal safety, also corrosion and bad effect is had to metal parts, and the proportion of SF6 gas is five times of air, gas will be deposited on switching station inner bottom part if any leakage, if the person sucks the fatal danger that suffocates.Therefore the power distribution station of SF6 equipment is housed, must install forced air device, and bottom disposed in the interior is answered in air port, its mains switch is installed in outdoors, in addition, the device that Real-Time Monitoring SF6 Leakage Gas situation also can make rapidly alarm intuitively should be installed.
And SF6 leakage warning device is in the market intelligent metered dose monitoring alarm device, its structure mainly comprises SF6 and leaks intelligent monitor system main frame, gas converter, humiture converter, controller of fan, alarm lamp and infrared detecting set, this covering device can detect humiture, oxygen content, voice prompt alarm lamp multiple function, but without self-checking function, this covering device cannot be checked whether to be in normal operating conditions, in addition, this covering device complex structure, installation cost is high, as changed accessory after warranty have expired, expensive, moreover need producer professional to carry out Installation and Debugging, engineering is loaded down with trivial details, need in installation process to raise cable cover, if careless, easily cause cable cover accidental fall and damage cable, ground and cover plate, and need to contact manufacturer in advance when safeguarding and come from nonlocal dispatch personnel, maintenance cost is high and time-consuming.
Utility model content
For the problems referred to above, the problem that the utility model quasi-solution is determined be to provide a kind of simple and reasonable, cost is low, quick and easy for installation, maintenance cost is low, preventive maintenance time is short and can the SF6 equipment pressure light alarming device of self-inspection.
For achieving the above object, the utility model by the following technical solutions: a kind of SF6 equipment pressure light alarming device, comprises alarm cabinet, visual alarm, Switching Power Supply, miniature circuit breaker, power voltage step down device, connecting terminal block, auxiliary relay one, auxiliary relay two, test button, all clear button and the SF6 Pressure gauge be arranged in high-voltage board, alarm cabinet is fixed on high-voltage board, and visual alarm is fixed on the top of alarm cabinet, and test button and all clear button are fixed on the front door of alarm cabinet cashier's office in a shop side by side, Switching Power Supply, miniature circuit breaker, power voltage step down device, connecting terminal block, auxiliary relay one and auxiliary relay two are all fixed on the inside of alarm cabinet, described SF6 Pressure gauge is provided with several signal contacts, described auxiliary relay one control connection has normally open push button switch one and normally open push button switch two, described auxiliary relay two control connection has normally open push button switch three and normally closed push button switch four, described Switching Power Supply is connected by wire with miniature circuit breaker, described miniature circuit breaker is connected by wire with power voltage step down device, described power voltage step down device, SF6 Pressure gauge and auxiliary relay one to be connected formation first branch road by wire successively, described power voltage step down device, normally open push button switch one, normally closed push button switch four and visual alarm to be connected formation second branch road by wire successively, described power voltage step down device, normally open push button switch three, normally open push button switch two and auxiliary relay two to be connected formation the 3rd branch road by wire successively, described test button control connection SF6 Pressure gauge, and described all clear button control connects normally open push button switch three.
Effective achievement of the present utility model: the utility model is simple and reasonable, cost is low, professional is not needed to carry out Installation and Debugging, not only quick and easy for installation, and have the advantages that maintenance cost is low, preventive maintenance time is short, the more important thing is that he can realize self-checking function, thus effectively avoid causing because equipment of itself damages unnecessary security incident to occur.
During self-inspection, press test button, now test button will contact the manometric signal node of SF6, make it close, thus make the first branch road form a power circuit, now auxiliary relay one makes normally open push button switch one and normally open push button switch two close in the energized state, second branch road forms a power circuit, if visual alarm lights, then show that equipment self can normally work, otherwise then need to keep in repair; When removing warning, press all clear button, normally open push button switch three is impelled to close, thus make the 3rd branch road form a power circuit, now auxiliary relay two makes normally open push button switch three be kept closed in the energized state, and normally closed push button switch four disconnects, and now the second branch road forms open circuit, visual alarm extinguishes, all clear.
During normal use, if SF6 Leakage Gas, SF6 Pressure gauge can send instruction according to detection data self, signal node is closed, thus make the first branch road form a power circuit, now auxiliary relay one makes normally open push button switch one and normally open push button switch two close in the energized state, and the second branch road forms a power circuit, if visual alarm lights.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is theory diagram of the present utility model.
In figure: 1-alarm cabinet, 2-visual alarm, 3-Switching Power Supply, 4-miniature circuit breaker, 5-power voltage step down device, 6-connecting terminal block, 7-auxiliary relay one, 8-auxiliary relay two, 9-test button, 10-all clear button, 11-high-voltage board, 12-SF6 Pressure gauge, 13-normally open push button switch one, 14-normally open push button switch two, 15-normally open push button switch three, 16-normally closed push button switch four.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the present embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.
As Fig. 1, shown in Fig. 2, the utility model discloses a kind of SF6 equipment pressure light alarming device, comprise alarm cabinet 1, visual alarm 2, Switching Power Supply 3, miniature circuit breaker 4, power voltage step down device 5, connecting terminal block 6, auxiliary relay 1, auxiliary relay 28, test button 9, all clear button 10 and the SF6 Pressure gauge 12 be arranged in high-voltage board 11, alarm cabinet 1 is fixed on high-voltage board 11, visual alarm 2 is fixed on the top of alarm cabinet 1, and test button 9 and all clear button 10 are fixed on the front door of alarm cabinet 1 cashier's office in a shop side by side, Switching Power Supply 3, miniature circuit breaker 4, power voltage step down device 5, connecting terminal block 6, auxiliary relay 1 and auxiliary relay 28 are all fixed on the inside of alarm cabinet 1, SF6 Pressure gauge 12 is provided with several signal contacts, auxiliary relay 1 control connection has normally open push button switch 1 and normally open push button switch 2 14, auxiliary relay 28 control connection has normally open push button switch 3 15 and normally closed push button switch 4 16, Switching Power Supply 3 is connected by wire with miniature circuit breaker 4, miniature circuit breaker 4 is connected by wire with power voltage step down device 5, power voltage step down device 5, SF6 Pressure gauge 12 and auxiliary relay 1 to be connected formation first branch road by wire successively, power voltage step down device 5, normally open push button switch 1, normally closed push button switch 4 16 and visual alarm 2 to be connected formation second branch road by wire successively, power voltage step down device 5, normally open push button switch 3 15, normally open push button switch 2 14 and auxiliary relay 28 to be connected formation the 3rd branch road by wire successively, test button 9 control connection SF6 Pressure gauge 12, all clear button 10 control connection normally open push button switch 3 15.
The utility model is simple and reasonable, cost is low, professional is not needed to carry out Installation and Debugging, not only quick and easy for installation, and have the advantages that maintenance cost is low, preventive maintenance time is short, the more important thing is that he can realize self-checking function, thus effectively avoid causing because equipment of itself damages unnecessary security incident to occur.
During self-inspection, press test button 9, now test button 9 will contact the signal node of SF6 Pressure gauge 12, make it close, thus make the first branch road form a power circuit, now auxiliary relay 1 makes normally open push button switch 1 and normally open push button switch 2 14 close in the energized state, second branch road forms a power circuit, if visual alarm 2 lights, then show that equipment self can normally work, otherwise then need to keep in repair; When removing warning, press all clear button 10, normally open push button switch 3 15 is impelled to close, thus make the 3rd branch road form a power circuit, now auxiliary relay 28 makes normally open push button switch 3 15 be kept closed in the energized state, and normally closed push button switch 4 16 disconnects, and now the second branch road forms open circuit, visual alarm 2 extinguishes, all clear.
During normal use, if SF6 Leakage Gas, SF6 Pressure gauge 12 can send instruction according to detection data self, signal node is closed, thus make the first branch road form a power circuit, now auxiliary relay 1 makes normally open push button switch 1 and normally open push button switch 2 14 close in the energized state, and the second branch road forms a power circuit, if visual alarm 2 lights.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (1)
1. a SF6 equipment pressure light alarming device, it is characterized in that: comprise alarm cabinet (1), visual alarm (2), Switching Power Supply (3), miniature circuit breaker (4), power voltage step down device (5), connecting terminal block (6), auxiliary relay one (7), auxiliary relay two (8), test button (9), all clear button (10) and the SF6 Pressure gauge (12) be arranged in high-voltage board (11), alarm cabinet (1) is fixed on high-voltage board (11), visual alarm (2) is fixed on the top of alarm cabinet (1), test button (9) and all clear button (10) are fixed on the front door of alarm cabinet (1) cashier's office in a shop side by side, Switching Power Supply (3), miniature circuit breaker (4), power voltage step down device (5), connecting terminal block (6), auxiliary relay one (7) and auxiliary relay two (8) are all fixed on the inside of alarm cabinet (1), described SF6 Pressure gauge (12) is provided with several signal contacts, described auxiliary relay one (7) control connection has normally open push button switch one (13) and normally open push button switch two (14), described auxiliary relay two (8) control connection has normally open push button switch three (15) and normally closed push button switch four (16), described Switching Power Supply (3) is connected by wire with miniature circuit breaker (4), described miniature circuit breaker (4) is connected by wire with power voltage step down device (5), described power voltage step down device (5), SF6 Pressure gauge (12) and auxiliary relay one (7) to be connected formation first branch road by wire successively, described power voltage step down device (5), normally open push button switch one (13), normally closed push button switch four (16) and visual alarm (2) to be connected formation second branch road by wire successively, described power voltage step down device (5), normally open push button switch three (15), normally open push button switch two (14) and auxiliary relay two (8) to be connected formation the 3rd branch road by wire successively, described test button (9) control connection SF6 Pressure gauge (12), described all clear button (10) control connection normally open push button switch three (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347980.2U CN204577975U (en) | 2015-05-18 | 2015-05-18 | A kind of SF6 equipment pressure light alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347980.2U CN204577975U (en) | 2015-05-18 | 2015-05-18 | A kind of SF6 equipment pressure light alarming device |
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| Publication Number | Publication Date |
|---|---|
| CN204577975U true CN204577975U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520347980.2U Withdrawn - After Issue CN204577975U (en) | 2015-05-18 | 2015-05-18 | A kind of SF6 equipment pressure light alarming device |
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| Country | Link |
|---|---|
| CN (1) | CN204577975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852322A (en) * | 2015-05-18 | 2015-08-19 | 上虞市舜兴电力有限公司 | Pressure light warning device of SF6 device |
-
2015
- 2015-05-18 CN CN201520347980.2U patent/CN204577975U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852322A (en) * | 2015-05-18 | 2015-08-19 | 上虞市舜兴电力有限公司 | Pressure light warning device of SF6 device |
| CN104852322B (en) * | 2015-05-18 | 2017-03-22 | 上虞市舜兴电力有限公司 | Pressure light warning device of SF6 device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160223 Address after: 312300 Zhejiang Province, Shaoxing city Shangyu District City Street No. 501 Renmin Road Patentee after: SHANGYU CITY SHUNXING ELECTRIC POWER CO., LTD. Patentee after: State Grid Corporation of China Patentee after: STATE GRID ZHEJIANG SHAOCING SHANGYU DISTRICT POWER SUPPLY CO., LTD. Address before: City Street 312300 Renmin Road Zhejiang city of Shangyu Province, No. 501 Patentee before: SHANGYU CITY SHUNXING ELECTRIC POWER CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150819 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |