CN204557728U - A kind of switch cubicle avoiding improper opening cabinet door alarm device - Google Patents
A kind of switch cubicle avoiding improper opening cabinet door alarm device Download PDFInfo
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- CN204557728U CN204557728U CN201520293248.1U CN201520293248U CN204557728U CN 204557728 U CN204557728 U CN 204557728U CN 201520293248 U CN201520293248 U CN 201520293248U CN 204557728 U CN204557728 U CN 204557728U
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a kind of switch cubicle avoiding improper opening cabinet door alarm device, comprise transformer T, phototriode Q1, LED, resistance R1, electric capacity C1, phototriode Q1 emitter is connecting triode Q2 emitter and resistance R6 respectively, the resistance R6 other end connects LED positive pole and triode Q5 base stage respectively, and triode Q5 emitter connects power supply VCC and transformer T coil L1 respectively.The utility model can when switch cubicle has other safeguard measures; secondary fuse is carried out to switch cubicle; as long as the environment at switch cubicle place has certain light, once switch cubicle is opened, it just can send the high loudness early warning sound; and along with the flicker of LED; well can warn relevant staff, substantially increase the security of switch cubicle, and the small and exquisite facility of the utility model; manufacturing process is simple, and cost is low.
Description
Technical field
The utility model relates to a kind of warning device, specifically a kind of switch cubicle avoiding improper opening cabinet door alarm device.
Background technology
At present, 10kV KYN28 type switch cubicle is owing to having good anti-misoperation locking and decompression function, be widely applied in electric system, KYN28 type middle-placed switch cabinet anti-misoperation locking device is comparatively perfect, but the locking of visiting of its rear cabinet door is by realizing below, when power failure work, rear cabinet door is due to satisfied power failure grounding requirement, its blocking device is released, rear cabinet door allows to open, but for 10kV bus incoming line cabinet, its Over-The-Counter door the 10kV bus closed normally charged, there is staff and open by mistake Over-The-Counter door and cause electric shock casualty accident.
Utility model content
The purpose of this utility model is the switch cubicle avoiding improper opening cabinet door alarm device providing a kind of circuit structure simple and practical, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of switch cubicle avoiding improper opening cabinet door alarm device, comprise transformer T, phototriode Q1, LED, resistance R1, electric capacity C1, described phototriode Q1 emitter is connecting triode Q2 emitter and resistance R6 respectively, the resistance R6 other end connects LED positive pole and triode Q5 base stage respectively, triode Q5 emitter connects power supply VCC and transformer T coil L1 respectively, the transformer T coil L1 other end is connecting triode Q5 collector respectively, electric capacity C1, electric capacity C2, resistance R5 and triode Q6 base stage, the triode Q6 collector contact resistance R5 other end, triode Q6 emitter is connecting triode Q4 emitter respectively, electric capacity C3, resistance R3 and resistance R2 ground connection, the resistance R2 other end is contact resistance R1 and triode Q2 base stage respectively, resistance R1 other end connecting triode Q1 collector, described triode Q2 collector is the contact resistance R3 other end respectively, the electric capacity C3 other end and resistance R7, resistance R7 other end connecting triode Q3 base stage, triode Q3 collector is connecting triode Q4 collector respectively, resistance R4 and LED negative pole, the resistance R4 other end connects the electric capacity C1 other end and the electric capacity C2 other end respectively, described transformer T coil L2 two ends are parallel with hummer B.
As the utility model further scheme: described power supply VCC is the 5V direct supply that 220V civil power obtains after rectifying and voltage-stabilizing.
Compared with prior art; the beneficial effects of the utility model are: the utility model when switch cubicle has other safeguard measures, can carry out secondary fuse to switch cubicle, as long as the environment at switch cubicle place has certain light; once switch cubicle is opened; it just can send the high loudness early warning sound, and along with the flicker of LED, well can warn relevant staff; substantially increase the security of switch cubicle; and the small and exquisite facility of the utility model, manufacturing process is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of switch cubicle avoiding improper opening cabinet door alarm device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, 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 belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of switch cubicle avoiding improper opening cabinet door alarm device, comprise transformer T, phototriode Q1, LED, resistance R1, electric capacity C1, phototriode Q1 emitter is connecting triode Q2 emitter and resistance R6 respectively, the resistance R6 other end connects LED positive pole and triode Q5 base stage respectively, triode Q5 emitter connects power supply VCC and transformer T coil L1 respectively, the transformer T coil L1 other end is connecting triode Q5 collector respectively, electric capacity C1, electric capacity C2, resistance R5 and triode Q6 base stage, the triode Q6 collector contact resistance R5 other end, triode Q6 emitter is connecting triode Q4 emitter respectively, electric capacity C3, resistance R3 and resistance R2 ground connection, the resistance R2 other end is contact resistance R1 and triode Q2 base stage respectively, resistance R1 other end connecting triode Q1 collector, triode Q2 collector is the contact resistance R3 other end respectively, the electric capacity C3 other end and resistance R7, resistance R7 other end connecting triode Q3 base stage, triode Q3 collector is connecting triode Q4 collector respectively, resistance R4 and LED negative pole, the resistance R4 other end connects the electric capacity C1 other end and the electric capacity C2 other end respectively, transformer T coil L2 two ends are parallel with hummer B.
Power supply VCC is the 5V direct supply that 220V civil power obtains after rectifying and voltage-stabilizing.
Principle of work of the present utility model is: refer to Fig. 1; the utility model when switch cubicle has other safeguard measures, can carry out secondary fuse to switch cubicle, as long as the environment at switch cubicle place has certain light; once switch cubicle is opened; just the high loudness early warning sound can be sent, and along with the flicker of LED, well relevant staff can be warned; substantially increase the security of switch cubicle; and the small and exquisite facility of the utility model, manufacturing process is simple, and cost is low.
Claims (2)
1. a switch cubicle avoiding improper opening cabinet door alarm device, comprise transformer T, phototriode Q1, LED, resistance R1, electric capacity C1, it is characterized in that, described phototriode Q1 emitter is connecting triode Q2 emitter and resistance R6 respectively, the resistance R6 other end connects LED positive pole and triode Q5 base stage respectively, triode Q5 emitter connects power supply VCC and transformer T coil L1 respectively, the transformer T coil L1 other end is connecting triode Q5 collector respectively, electric capacity C1, electric capacity C2, resistance R5 and triode Q6 base stage, the triode Q6 collector contact resistance R5 other end, triode Q6 emitter is connecting triode Q4 emitter respectively, electric capacity C3, resistance R3 and resistance R2 ground connection, the resistance R2 other end is contact resistance R1 and triode Q2 base stage respectively, resistance R1 other end connecting triode Q1 collector, described triode Q2 collector is the contact resistance R3 other end respectively, the electric capacity C3 other end and resistance R7, resistance R7 other end connecting triode Q3 base stage, triode Q3 collector is connecting triode Q4 collector respectively, resistance R4 and LED negative pole, the resistance R4 other end connects the electric capacity C1 other end and the electric capacity C2 other end respectively, described transformer T coil L2 two ends are parallel with hummer B.
2. switch cubicle avoiding improper opening cabinet door alarm device according to claim 1, is characterized in that, described power supply VCC is the 5V direct supply that 220V civil power obtains after rectifying and voltage-stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293248.1U CN204557728U (en) | 2015-05-01 | 2015-05-01 | A kind of switch cubicle avoiding improper opening cabinet door alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293248.1U CN204557728U (en) | 2015-05-01 | 2015-05-01 | A kind of switch cubicle avoiding improper opening cabinet door alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204557728U true CN204557728U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520293248.1U Expired - Fee Related CN204557728U (en) | 2015-05-01 | 2015-05-01 | A kind of switch cubicle avoiding improper opening cabinet door alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204557728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291071A (en) * | 2016-11-04 | 2017-01-04 | 国家电网公司 | The band electric alarm circuit of intelligent machine latching switch cabinet anti-misoperation locking device |
-
2015
- 2015-05-01 CN CN201520293248.1U patent/CN204557728U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291071A (en) * | 2016-11-04 | 2017-01-04 | 国家电网公司 | The band electric alarm circuit of intelligent machine latching switch cabinet anti-misoperation locking device |
| CN106291071B (en) * | 2016-11-04 | 2023-10-03 | 国家电网公司 | Electrified alarm circuit of intelligent mechanical locking type switch cabinet misoperation-preventive locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |