CN204258050U - Power distribution cabinet supervising device - Google Patents
Power distribution cabinet supervising device Download PDFInfo
- Publication number
- CN204258050U CN204258050U CN201420538172.XU CN201420538172U CN204258050U CN 204258050 U CN204258050 U CN 204258050U CN 201420538172 U CN201420538172 U CN 201420538172U CN 204258050 U CN204258050 U CN 204258050U
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- CN
- China
- Prior art keywords
- circuit
- cabinet
- binding post
- supervising device
- chip microcomputer
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Abstract
The utility model discloses a kind of power distribution cabinet supervising device, described supervising device comprises single-chip microcomputer, electrified detection circuit, On-off signal testing circuit and live locking output circuit, described electrified detection circuit is provided with the binding post for connecting three phase mains, described On-off signal testing circuit is provided with the binding post be connected with the travel switch of detecting box door closure state, described live locking output circuit is provided with the binding post be connected with electric control door lock, described electrified detection circuit and the equal output detection signal of On-off signal testing circuit are to single-chip microcomputer, described single-chip microcomputer outputs control signals to live locking output circuit.When opening the door, if there is electrification in high voltage part in cabinet, then sends obvious sound and light alarm, play warning function, and can record the moment of cabinet door switch, easy access and accident are reviewed.This device volume is little, power consumption is low, easy for installation, do not need to do larger transformation to existing cupboard.
Description
Technical field
The utility model relates to the monitoring alarm device being applied to field of power distribution, particularly relates to and is arranged in high-low pressure beginning cabinet, ring main unit for monitoring the device of electrification in high voltage.
Background technology
Power equipment needs to be serviced in running, and maintenance work itself has certain danger, if operating personnel work accidentally, know from experience near electrification in high voltage by mistake and cause human casualty accident, also can country and individual cause heavy losses, therefore need to improve equipment operating fail safe, addition carries out the device of charged monitoring to distribution.
Have " five prevent " device for power equipment safety protector at present, but " five prevent " device needs to existing equipment retrofit work amount comparatively large, the cycle is longer, needs fund larger.
In addition, power distribution cabinet open alarm system has had a lot of ripe products, but mostly for antitheft, does not still have special in when charged in cabinet at present, develops a kind of sound and light alarm and can record the apparatus system in the moment of switch gate of opening the door.
Utility model content
Technical problem to be solved in the utility model is that realization is a kind of safe and reliable, easy to use, do not need the monitoring device that can conveniently install to the transformation of power distribution cabinet inside, this monitoring device can in Measurement accuracy cabinet each high-voltage charged body whether charged, and can intuitively to show.
To achieve these goals, the technical solution adopted in the utility model is: power distribution cabinet supervising device, described supervising device comprises single-chip microcomputer, electrified detection circuit, On-off signal testing circuit and live locking output circuit, described electrified detection circuit is provided with the binding post for connecting three phase mains, described On-off signal testing circuit is provided with the binding post be connected with the travel switch of detecting box door closure state, described live locking output circuit is provided with the binding post be connected with electric control door lock, described electrified detection circuit and the equal output detection signal of On-off signal testing circuit are to single-chip microcomputer, described single-chip microcomputer outputs control signals to live locking output circuit.
Described single-chip microcomputer is provided with clock module, memory module and alarm unit, and be provided with alarm output circuit and communication interface circuit, described alarm output circuit is provided with the binding post be connected with alarm device, and described communication interface circuit is provided with the binding post be connected with communication unit.
Described electrified detection circuit is provided with the indicator light of display electriferous state on the device housing, and described On-off signal testing circuit is provided with the indicator light of display case door closure state on the device housing.
Described device case is provided with fixed mechanism, and described fixed mechanism comprises guide rail and is located at the device case back side and is provided with slot, and described guide rail is fixed by screws in cabinet, and described device case inserts guide rail by slot and hangs in cabinet.
Described supervising device is provided with and detects temperature sensor and humidity sensor in cabinet, described device case is provided with the display of temperature and humidity in display cabinet, described supervising device is also provided with sensor interface circuitry, and described sensor interface circuitry is provided with the binding post for connecting the temperature sensor detecting individual devices temperature.
The utility model can carry out high-voltage charged body live detection, cabinet door beginning state detects, this device opens the door as entry condition using switch cubicle, when opening the door, if there is electrification in high voltage part in cabinet, then send obvious sound and light alarm, play warning function, and can record the moment of cabinet door switch, easy access and accident are reviewed.This device volume is little, power consumption is low, easy for installation, do not need to do larger transformation to existing cupboard.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in the utility model specification below and figure is briefly described:
Fig. 1 is power distribution cabinet supervising device structured flowchart;
Mark in above-mentioned figure is: 1, single-chip microcomputer; 2, electrified detection circuit; 3, communication interface circuit; 4, On-off signal testing circuit; 5, live locking output circuit; 6, alarm output circuit; 7, alarm unit; 8, clock module; 9, memory module.
Embodiment
Known see Fig. 1, power distribution cabinet supervising device comprises single-chip microcomputer 1, electrified detection circuit 2, On-off signal testing circuit 4, live locking output circuit 5, communication interface circuit 3, alarm output circuit 6, single-chip microcomputer 1 is provided with the memory module 9 for storing and the clock module 8 for timing, in addition, supporting acousto-optic warning unit 7 can also be set, be arranged on supervising device housing.
Electrified detection circuit 2 is provided with the binding post for connecting three phase mains, it is provided with A.B.C.N item binding post, gather insulated terminal signal, electrified detection circuit 2 output detection signal is to single-chip microcomputer 1, and electrified detection circuit 2 is provided with the indicator light of display electriferous state on the device housing.
On-off signal testing circuit 4 is provided with the binding post be connected with the travel switch of detecting box door closure state, and On-off signal testing circuit 4 output detection signal is to single-chip microcomputer 1.On-off signal testing circuit 4 is provided with the indicator light of display case door closure state on the device housing.
Live locking output circuit 5 is provided with the binding post be connected with electric control door lock, electric control door lock can adopt the error-proof devices such as electromagnetic lock, Mechanically programm's lock, computer anti-misoperation and lockout, when single-chip microcomputer 1 collects charged signal, then output control signals to live locking output circuit 5, control electric control door lock locking, by the switch key compulsive unlocking of outer setting after certain locking, to carry out out cabinet hotline maintenance.
Alarm output circuit 6 is provided with the binding post be connected with alarm device, with can be connected with the warning device set up in cabinet, improve alerting effects, communication interface circuit is provided with the binding post be connected with communication unit, telecommunication unit can be utilized signal to be sent to far-end server or attendant's mobile phone, carry out remote monitoring, safeguard in time.
In addition, supervising device is also provided with and detects temperature sensor and humidity sensor in cabinet, and be provided with the display of temperature and humidity in display cabinet on the device housing, supervising device is also provided with sensor interface circuitry, and sensor interface circuitry is provided with the binding post for connecting the temperature sensor detecting individual devices temperature.Then can monitor in real time, to safeguard in time the integrated environment in cabinet and emphasis device.
For convenience of installing, device case is provided with fixed mechanism, and fixed mechanism comprises guide rail and is located at the device case back side and is provided with slot, and guide rail is fixed by screws in cabinet, and device case inserts guide rail by slot and hangs in cabinet.
Said apparatus volume is little, can be installed in cabinet easily, does not need to do larger transformation to existing cabinet, only needs simple installation, line, existing cabinet can be made to possess charged monitoring function.This device adopts contact band electro-detection means, safe and reliable, easy to maintenance, there is flash of light display, audio alert, self-inspection and start the various functions such as forced blocking loop, be widely used in exchanging on the indoor outdoor electrical equipment of 50Hz, rated voltage 0.4kV, can checkout equipment whether charged, and can realize lock with electromagnetic lock, Mechanically programm, the error-proof device such as computer anti-misoperation and lockout coordinates, enforcement forced blocking.When equipment is with working voltage, the mode that equipment live situation is glistened can accurately and reliably show by this display, charged intuitive display, clear, eye-catching.For reminding staff's equipment live, to prevent mistakenly entering into charged space.
Based on above-mentioned power distribution cabinet supervising device, its method for supervising is as follows:
After system starts;
Memory module 9 real time record cabinet switching time, three phase mains electriferous state;
When single-chip microcomputer 1 collects three phase mains charged signal, control the electric control door lock locking of often opening, and control alarm unit 7 and give the alarm.
After system starts, memory module 9 is gone back the temperature-humidity signal of temperature sensor and humidity sensor collection in real-time storage cabinet, is stored the temperature signal of the individual devices gathered by sensor interface circuitry; Display shows the temperature-humidity signal that in current cabinet, temperature sensor and humidity sensor gather, and the temperature signal of the individual devices of sensor interface circuitry collection;
When humiture in cabinet, or the temperature anomaly of individual devices exceedes warning threshold values, then single-chip microcomputer 1 sends alarm signal, and distally sends signal by communication interface circuit 3.
When single-chip microcomputer 1 collects three phase mains charged signal, the indicator light flicker of display electriferous state, sends signal by communication interface circuit 3 far-end simultaneously.
Specifically, when equipment live: corresponding " A, B, C " indicator light is bright, export forced blocking signal.When equipment is not charged: corresponding " A, B, C " indicator light does not work, exports unlocking signal and just can carry out equipment operating.When opening equipment cabinet door, the travel switch closing of contact, makes display equipment start, and display device is with working voltage, and display flashes and sound, and caution device is charged; Equipment without during working voltage then without instruction.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.
Claims (5)
1. power distribution cabinet supervising device, it is characterized in that: described supervising device comprises single-chip microcomputer, electrified detection circuit, On-off signal testing circuit and live locking output circuit, described electrified detection circuit is provided with the binding post for connecting three phase mains, described On-off signal testing circuit is provided with the binding post be connected with the travel switch of detecting box door closure state, described live locking output circuit is provided with the binding post be connected with electric control door lock, described electrified detection circuit and the equal output detection signal of On-off signal testing circuit are to single-chip microcomputer, described single-chip microcomputer outputs control signals to live locking output circuit.
2. power distribution cabinet supervising device according to claim 1, it is characterized in that: described single-chip microcomputer is provided with clock module, memory module and alarm unit, and be provided with alarm output circuit and communication interface circuit, described alarm output circuit is provided with the binding post be connected with alarm device, and described communication interface circuit is provided with the binding post be connected with communication unit.
3. power distribution cabinet supervising device according to claim 1 and 2, it is characterized in that: described electrified detection circuit is provided with the indicator light of display electriferous state on the device housing, and described On-off signal testing circuit is provided with the indicator light of display case door closure state on the device housing.
4. power distribution cabinet supervising device according to claim 3, it is characterized in that: described device case is provided with fixed mechanism, described fixed mechanism comprises guide rail and is located at the device case back side and is provided with slot, described guide rail is fixed by screws in cabinet, and described device case inserts guide rail by slot and hangs in cabinet.
5. the power distribution cabinet supervising device according to claim 1 or 4, it is characterized in that: described supervising device is provided with and detects temperature sensor and humidity sensor in cabinet, described device case is provided with the display of temperature and humidity in display cabinet, described supervising device is also provided with sensor interface circuitry, and described sensor interface circuitry is provided with the binding post for connecting the temperature sensor detecting individual devices temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538172.XU CN204258050U (en) | 2014-09-18 | 2014-09-18 | Power distribution cabinet supervising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538172.XU CN204258050U (en) | 2014-09-18 | 2014-09-18 | Power distribution cabinet supervising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258050U true CN204258050U (en) | 2015-04-08 |
Family
ID=52962318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420538172.XU Expired - Fee Related CN204258050U (en) | 2014-09-18 | 2014-09-18 | Power distribution cabinet supervising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201574A (en) * | 2014-09-18 | 2014-12-10 | 芜湖九鼎电子科技有限公司 | Device and method for monitoring power distribution cabinets |
-
2014
- 2014-09-18 CN CN201420538172.XU patent/CN204258050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201574A (en) * | 2014-09-18 | 2014-12-10 | 芜湖九鼎电子科技有限公司 | Device and method for monitoring power distribution cabinets |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20200918 |