CN202339610U - Duplicate-power supply electric fire monitoring device - Google Patents
Duplicate-power supply electric fire monitoring device Download PDFInfo
- Publication number
- CN202339610U CN202339610U CN2011203896605U CN201120389660U CN202339610U CN 202339610 U CN202339610 U CN 202339610U CN 2011203896605 U CN2011203896605 U CN 2011203896605U CN 201120389660 U CN201120389660 U CN 201120389660U CN 202339610 U CN202339610 U CN 202339610U
- Authority
- CN
- China
- Prior art keywords
- power supply
- fire monitoring
- electric fire
- monitoring device
- residual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
The utility model discloses a duplicate-power supply electric fire monitoring device, which can save a residual electric-current electric fire monitoring detector and has simple wiring. The duplicate-power supply electric fire monitoring device is composed of a common power supply (Un), an emergency power supply (Ub), an automatic switching mechanism, a residual electric-current electric fire monitoring detector (10) and load, wherein the automatic switching mechanism comprises a detection circuit (1), a control circuit (2), a driving circuit (4) and an actuating mechanism (5). The duplicate-power supply electric fire monitoring device is characterized in that the incoming line end of a normally-closed contact (8) of the actuating mechanism (5) is connected with the common power supply (Un), the incoming line end of a normally-open contact (7) of the actuating mechanism (5) is connected with the emergency power supply (Ub), and the outgoing end of the normally-closed contact (8) and the outgoing end of the normally-open contact (7) are connected with the input end of the residual electric-current electric fire monitoring detector (10).
Description
Technical field
The utility model relates to the low-voltage electrical apparatus field, is specifically related to the residual-current electrical fire monitoring detector, relates in particular to a kind of electric fire disaster monitoring device of dual power supply.
Background technology
In the prior art; After the electric fire disaster monitoring device of dual power supply connects residual-current electrical fire monitoring detector separately respectively; Be connected to the inlet wire side of the automatic automatic change over of dual power supply again; And with the outlet side joint of the automatic automatic change over of this dual power supply to load, this electric fire disaster monitoring device needs the input of two residual-current electrical fire monitoring detectors, wiring is complicated.
The utility model content
The utility model technical matters to be solved provides a kind of electric fire disaster monitoring device of dual power supply, and it can save the input of a residual-current electrical fire monitoring detector, and wiring is simple.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of electric fire disaster monitoring device of dual power supply; Form by power supply commonly used, standby power supply, tripper, residual-current electrical fire monitoring detector and load; Said tripper comprises testing circuit, control circuit, driving circuit and topworks; The inlet wire termination of said topworks normally closed contact is used power supply always, and the inlet wire termination standby power supply of said topworks normal opened contact, the leading-out terminal of said normally closed contact and the leading-out terminal of said normal opened contact all are connected the input end of said residual-current electrical fire monitoring detector.
The beneficial effect of the utility model is; Power supply commonly used, standby power supply directly connect the normally closed contact of topworks in the tripper and the end of incoming cables of normal opened contact respectively; The leading-out terminal of these two normally closed contacts and normal opened contact all is connected the input end of said residual-current electrical fire monitoring detector; Like this, behind power supply commonly used, the standby power supply elder generation process switching of tripper, again by residual-current electrical fire monitoring detector monitoring and protection circuit; Saved the input of a residual-current electrical fire monitoring detector, wiring is simple.
Description of drawings
Accompanying drawing is that the utility model is formed structural drawing.
Among the figure: testing circuit 1 control circuit 2 alarm units 3 driving circuits 5 control coils, 6 normal opened contacts, 7 normally closed contacts, 8 loads, 9 residual-current electrical fire monitoring detectors, the 10 power supply U commonly used of 4 topworkies
nStandby power supply U
b
Embodiment
Shown in accompanying drawing, the utility model is by power supply U commonly used
n, standby power supply U
b, tripper, residual-current electrical fire monitoring detector 10 and load 9 form; Said tripper comprises testing circuit 1, control circuit 2, driving circuit 4 and topworks 5, and the inlet wire termination of the normally closed contact 8 of said topworks 5 is used power supply U always
n, the inlet wire termination standby power supply U of the normal opened contact 7 of said topworks 5
b, the leading-out terminal of said normally closed contact 8 and the leading-out terminal of said normal opened contact 7 all are connected the input end of said residual-current electrical fire monitoring detector 10.
As power supply U commonly used
nWhen voltage was undesired, testing circuit 1 sent signal to control circuit 2, received behind the signal control circuit 2 and sent signals to alarm unit 3 on the one hand alarm unit 3 is reported to the police with sound or light form, caution power supply U commonly used
nVoltage is undesired, and control circuit 2 sends signals to driving circuit 4 simultaneously on the other hand, and 4 of driving circuits provide electric current to topworks's 5 control coils 6, control coil 6 make that normally closed contact 8 breaks off, normal opened contact 7 is connected after electric, power supply U commonly used like this
nBe cut off, standby power supply U
bCome into operation, accomplished power supply U commonly used
nStandby power supply U when voltage is undesired
bAutomatic conversion, also simultaneously report to the police with sound or light form.
Claims (1)
1. the electric fire disaster monitoring device of a dual power supply is by power supply (U commonly used
n), standby power supply (U
b), tripper, residual-current electrical fire monitoring detector (10) and load (9) form; Said tripper comprises testing circuit (1), control circuit (2), driving circuit (4) and topworks (5); It is characterized in that the inlet wire termination of said topworks (5) normally closed contact (8) is used power supply (U always
n), the inlet wire termination standby power supply (U of said topworks (5) normal opened contact (7)
b), the leading-out terminal of said normally closed contact (8) and the leading-out terminal of said normal opened contact (7) all are connected the input end of said residual-current electrical fire monitoring detector (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203896605U CN202339610U (en) | 2011-10-03 | 2011-10-03 | Duplicate-power supply electric fire monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203896605U CN202339610U (en) | 2011-10-03 | 2011-10-03 | Duplicate-power supply electric fire monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339610U true CN202339610U (en) | 2012-07-18 |
Family
ID=46488300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203896605U Expired - Fee Related CN202339610U (en) | 2011-10-03 | 2011-10-03 | Duplicate-power supply electric fire monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832700A (en) * | 2012-09-14 | 2012-12-19 | 南京莱斯信息技术股份有限公司 | Power supply device with multi-power input and power supply method thereof |
-
2011
- 2011-10-03 CN CN2011203896605U patent/CN202339610U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832700A (en) * | 2012-09-14 | 2012-12-19 | 南京莱斯信息技术股份有限公司 | Power supply device with multi-power input and power supply method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Tianshui Great Wall Electricity Science and Technology Development Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20151003 |
|
| EXPY | Termination of patent right or utility model |