CN203895953U - 220V earth leakage protection and overvoltage protection audible-visual alarm - Google Patents
220V earth leakage protection and overvoltage protection audible-visual alarm Download PDFInfo
- Publication number
- CN203895953U CN203895953U CN201420175034.XU CN201420175034U CN203895953U CN 203895953 U CN203895953 U CN 203895953U CN 201420175034 U CN201420175034 U CN 201420175034U CN 203895953 U CN203895953 U CN 203895953U
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- China
- Prior art keywords
- earth leakage
- alarm
- audible
- zero line
- rectifier bridge
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- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000001012 protector Effects 0.000 abstract 1
- 238000011835 investigation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 108091092568 Alarmone Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Abstract
The utility model provides a 220V earth leakage protection and overvoltage protection audible-visual alarm, belongs to the overvoltage protection alarm device field, and the audible-visual alarm comprises a leakage protector having a rectifier bridge; an input end and an output end of the rectifier bridge are connected in parallel with a pressure-sensitive resistor and connected with a live line and a zero line; the live line and zero line are provided with a breaker; the audible-visual alarm is provided with a DC contactor having a normally open contact and a coil; one end of the coil is connected with the output end of the rectifier bridge, and the other end of the coil is connected with the zero line; a battery is arranged; one end of the normally open contact is connected with one end of the battery, and the other end of the normally open contact is respectively connected with one ends of a flash lamp and the alarm; the other ends of the flash lamp and the alarm are connected with the other end of the battery; when zero line problems like electric leakage or over-current protection happen, a signal can be sent, so work personnel can timely handle the problems in a right mode.
Description
Technical field
The utility model provides a kind of 220V earth leakage protective and overvoltage protection audible-visual annunciator, belongs to overvoltage protection alarming device field.
Background technology
In three-phase and four-line electric power system, neutral line break or loose contact, can cause that line voltage distribution raises, we run into every year at work, because line short blows zero line, consumer electronics is burnt out because of overvoltage, make troubles to user, our company must settle a claim to user, causes tremendous economic loss.And after going wrong, staff wastes very many time to on-the-spot investigation, and sometimes also can judge, cause deeper wrong generation.
Utility model content
The utility model object is to provide a kind of 220V earth leakage protective and overvoltage protection audible-visual annunciator, can, in the time there is the zero line problems such as electric leakage or overcurrent protection, can send signal, and staff can be suited the remedy to the case timely.
220V earth leakage protective described in the utility model and overvoltage protection audible-visual annunciator, comprise earth leakage protective device, earth leakage protective device is provided with rectifier bridge, the input of rectifier bridge and output piezo-resistance in parallel is also connected to live wire and zero line, live wire and zero line are provided with circuit breaker, be provided with D.C. contactor, direct current D.C. contactor is provided with normally opened contact and coil, coil one end is connected to the output of rectifier bridge, the other end is connected to zero line, be provided with battery, normally opened contact one end connects battery one end, the normally opened contact other end is connected respectively to photoflash lamp and alarm one end, photoflash lamp and the alarm other end are connected to the battery other end.
Described 220V earth leakage protective and overvoltage protection audible-visual annunciator, in the time there is electric leakage in supply line, the input of rectifier bridge and output meeting conducting, make live wire and zero line tripping operation, cause circuit breaker to disconnect, or fuse disconnects, at this moment rectification bridge output end is to the coil power supply of D.C. contactor, normally opened contact closure, make photoflash lamp and alarm energising work, user is seeing after alarm and photoflash lamp and this situation can informed to staff at once, staff can carry out rapidly the preparation that zero line is safeguarded, and avoid the process of investigation, extremely save time.
Described 220V earth leakage protective and overvoltage protection audible-visual annunciator, piezo-resistance is 250V piezo-resistance.Voltage is being threatened under the prerequisite of power consumption equipment safety, control voltage well, in the time there is 250V voltage, supply line is disconnected, avoid power consumption equipment to burn.
Described 220V earth leakage protective and overvoltage protection audible-visual annunciator, rectification bridge output end is connected to coil and the normally opened contact of D.C. contactor by mechanical switch.In the time not needing photoflash lamp and alarm work, can be disconnected by mechanical switch.
The utility model compared with prior art beneficial effect is:
Described 220V earth leakage protective and overvoltage protection audible-visual annunciator, in the time there is electric leakage in supply line, the input of rectifier bridge and output meeting conducting, make live wire and zero line tripping operation, cause circuit breaker to disconnect, or fuse disconnects, at this moment rectification bridge output end is to the coil power supply of D.C. contactor, normally opened contact closure, make photoflash lamp and alarm energising work, user is seeing after alarm and photoflash lamp and this situation can informed to staff at once, staff can carry out rapidly the preparation that zero line is safeguarded, and avoid the process of investigation, extremely save time.
Described piezo-resistance, is threatening under the prerequisite of power consumption equipment safety voltage, controls voltage well, in the time there is 250V voltage, supply line is disconnected, and avoids power consumption equipment to burn.
Described mechanical switch, in the time not needing photoflash lamp and alarm work, can be disconnected by mechanical switch.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram.
In figure: 1, earth leakage protective device; 2, piezo-resistance; 3, D.C. contactor; 4, normally opened contact; 5, coil; 6, photoflash lamp; 7, alarm; 8, battery; 9, rectifier bridge; 10, circuit breaker.
Embodiment
Below in conjunction with the utility model, the utility model embodiment is described further:
Embodiment 1: as shown in Figure 1, 220V earth leakage protective described in the utility model and overvoltage protection audible-visual annunciator, comprise earth leakage protective device 1, earth leakage protective device 1 is provided with rectifier bridge 9, the input of rectifier bridge 9 and output piezo-resistance 2 in parallel is also connected to live wire and zero line, live wire and zero line are provided with circuit breaker 10, be provided with D.C. contactor 3, D.C. contactor 3 is provided with normally opened contact 4 and coil 5, coil 5 one end are connected to the output of rectifier bridge 9, the other end is connected to zero line, be provided with battery 8, normally opened contact 4 one end connect battery 8 one end, normally opened contact 4 other ends are connected respectively to photoflash lamp 6 and alarm 7 one end, photoflash lamp 6 is connected to battery 8 other ends with alarm 7 other ends.
Embodiment 2: on the architecture basics described in embodiment 1, piezo-resistance 2 is 250V piezo-resistance, rectifier bridge 9 outputs are connected to the coil 5 and normally opened contact 4 of D.C. contactor 3 by mechanical switch.
Operating procedure and operation principle:
Described 220V earth leakage protective and overvoltage protection audible-visual annunciator, in the time there is electric leakage in supply line, the input of rectifier bridge 9 and output meeting conducting, make live wire and zero line tripping operation, cause circuit breaker 10 to disconnect, or fuse disconnects, at this moment rectifier bridge 9 outputs are powered to the coil 5 of D.C. contactor 3, normally opened contact 4 closures, make photoflash lamp 6 and alarm 7 energising work, user is seeing after alarm 7 and photoflash lamp 6 and this situation can informed to staff at once, staff can carry out rapidly the preparation that zero line is safeguarded, and avoid the process of investigation, extremely save time.
Claims (3)
1. a 220V earth leakage protective and overvoltage protection audible-visual annunciator, comprise earth leakage protective device (1), earth leakage protective device (1) is provided with rectifier bridge (9), the input of rectifier bridge (9) and output piezo-resistance in parallel (2) is also connected to live wire and zero line, live wire and zero line are provided with circuit breaker (10), it is characterized in that, be provided with D.C. contactor (3), D.C. contactor (3) is provided with normally opened contact (4) and coil (5), coil (5) one end is connected to the output of rectifier bridge (9), the other end is connected to zero line, be provided with battery (8), normally opened contact (4) one end connects battery (8) one end, normally opened contact (4) other end is connected respectively to photoflash lamp (6) and alarm (7) one end, photoflash lamp (6) is connected to battery (8) other end with alarm (7) other end.
2. 220V earth leakage protective according to claim 1 and overvoltage protection audible-visual annunciator, is characterized in that, piezo-resistance (2) is 250V piezo-resistance.
3. 220V earth leakage protective according to claim 1 and overvoltage protection audible-visual annunciator, is characterized in that, rectifier bridge (9) output is connected to the coil (5) and normally opened contact (4) of contactor by mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175034.XU CN203895953U (en) | 2014-04-11 | 2014-04-11 | 220V earth leakage protection and overvoltage protection audible-visual alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175034.XU CN203895953U (en) | 2014-04-11 | 2014-04-11 | 220V earth leakage protection and overvoltage protection audible-visual alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895953U true CN203895953U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175034.XU Expired - Fee Related CN203895953U (en) | 2014-04-11 | 2014-04-11 | 220V earth leakage protection and overvoltage protection audible-visual alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315097A (en) * | 2021-04-30 | 2021-08-27 | 江西省全鑫科技有限公司 | Bus overvoltage protection device of magnetic suspension centrifuge and implementation method thereof |
-
2014
- 2014-04-11 CN CN201420175034.XU patent/CN203895953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315097A (en) * | 2021-04-30 | 2021-08-27 | 江西省全鑫科技有限公司 | Bus overvoltage protection device of magnetic suspension centrifuge and implementation method thereof |
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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: 20141022 |