CN204304137U - A kind of ground protection indicating device - Google Patents
A kind of ground protection indicating device Download PDFInfo
- Publication number
- CN204304137U CN204304137U CN201520000061.8U CN201520000061U CN204304137U CN 204304137 U CN204304137 U CN 204304137U CN 201520000061 U CN201520000061 U CN 201520000061U CN 204304137 U CN204304137 U CN 204304137U
- Authority
- CN
- China
- Prior art keywords
- lid
- indicating device
- box body
- circuit board
- ground protection
- 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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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to a kind of ground protection indicating device, comprises box body, lid, circuit board, wherein; described box body (1) interior mounting circuit boards (2); and cover with lid (3), described lid (3) is provided with three hole plugs (4), and described circuit board (2) is by rectifier diode D
1~ D
4, electric capacity C
1, C
2, resistance R
1, R
2, luminous tube LED electrical is formed by connecting.The advantages such as it is simple that the utility model has structure, and maintenance is convenient, economical and practical, safe and reliable.
Description
Technical field
The utility model belongs to indicating device, especially a kind of for ground protection indicating device.
Background technology
Often run in home appliance repair, a lot of user's earth connection time grown after earth resistance do not reach standard-required, to safeguard not according to the regular check of electricity consumption code requirement again.Like this after household electrical appliance have one to leak electricity, the normal work of other electrical equipment can be had influence on by ground wire, even jeopardize personal safety.This ground protection indicating device cardinal principle function is: the ground wire electrification when a certain power consumption equipment electric leakage is LED power supply light emitting by D1-D4 rectification, and user judges family ground wire electrification by LED luminescence, thus carries out maintenance and inspection.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned Problems existing, provides the ground protection indicating device that a kind of structure is simple, economical and practical, safe and reliable.
Technical solution of the present utility model is such, and a kind of ground protection indicating device, comprises box body, lid, circuit board; it is characterized in that mounting circuit boards in described box body; and cover with lid, described lid is provided with three hole plugs, and described circuit board is by rectifier diode D
1~ D
4, electric capacity C
1, C
2, resistance R
1, R
2, luminous tube LED electrical is formed by connecting.
The advantages such as it is simple that the utility model has structure, economical and practical, and maintenance is convenient, safe and reliable.
accompanying drawing illustrates:
Fig. 1 is overall structure front view of the present utility model,
Fig. 2 is lid part three dimensional map of the present utility model,
Fig. 3 is electrical schematic diagram of the present utility model.
In Fig. 1 ~ Fig. 3, box body (1), circuit board (2), lid (3), plug (4), rectifier diode D
1~ D
4, electric capacity C
1, C
2, resistance R
1, R
2, luminous tube LED.
embodiment:
Most preferred embodiment of the present utility model is such; shown in Fig. 3; a kind of ground protection indicating device; comprise box body, lid, circuit board; wherein, mounting circuit boards 2 in described box body 1, and cover with lid 3; described lid 3 is provided with three hole plugs 4, and described circuit board 2 is by rectifier diode D
1~ D
4, electric capacity C
1, C
2, resistance R
1, R
2, luminous tube LED electrical is formed by connecting.
Operation principle is: when a certain power consumption equipment electric leakage during ground wire electrification, indicating device is inserted circuit, luminous to LED by D1-D4 commutation supply voltage, if the LED of indicating device is luminous, judges family ground wire electrification, thus carries out maintenance and inspection.
Claims (1)
1. a ground protection indicating device, comprises box body, lid, circuit board, it is characterized in that; described box body (1) interior mounting circuit boards (2); and cover with lid (3), described lid (3) is provided with three hole plugs (4), and described circuit board (2) is by rectifier diode D
1~ D
4, electric capacity C
1, C
2, resistance R
1, R
2, luminous tube LED electrical is formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000061.8U CN204304137U (en) | 2015-01-01 | 2015-01-01 | A kind of ground protection indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000061.8U CN204304137U (en) | 2015-01-01 | 2015-01-01 | A kind of ground protection indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304137U true CN204304137U (en) | 2015-04-29 |
Family
ID=53109651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520000061.8U Expired - Fee Related CN204304137U (en) | 2015-01-01 | 2015-01-01 | A kind of ground protection indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466555A (en) * | 2015-01-01 | 2015-03-25 | 唐相成 | Ground protection indicator |
-
2015
- 2015-01-01 CN CN201520000061.8U patent/CN204304137U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466555A (en) * | 2015-01-01 | 2015-03-25 | 唐相成 | Ground protection indicator |
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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: 20150429 Termination date: 20160101 |
|
| EXPY | Termination of patent right or utility model |