CN206834724U - A kind of multistage earth leakage protective device - Google Patents
A kind of multistage earth leakage protective device Download PDFInfo
- Publication number
- CN206834724U CN206834724U CN201720772371.0U CN201720772371U CN206834724U CN 206834724 U CN206834724 U CN 206834724U CN 201720772371 U CN201720772371 U CN 201720772371U CN 206834724 U CN206834724 U CN 206834724U
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- main body
- protective device
- earth leakage
- leakage protective
- fixed
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a kind of multistage earth leakage protective device, including main body；Main body bottom is inserted with plug, the end face outside of main body is provided with warning light and alarming horn, the back end surface of main body is provided with the through hole for being used for stretching into external cabling, the sealing rubber ring for realizing sealing is arranged with external cabling, the vertical screw for penetrating main body is provided with the top of fixed groove, the fixed screw for being fixed on main body on socket is inserted with screw；Main body both sides end bottom is provided with top rotating shaft, and transparent rubber bar is connected in the rotating shaft of top, is posted on the inner side end of transparent rubber bar and meets water Allochroic label；By setting fixed groove at the top of main body; and screw is set in fixed groove bottom; the multistage earth leakage protective device can be fixed on wiring board using fixed screw; it is connected with to prevent leakage plug with power supply base insecure; leakage plug is caused to make moist loosening, so as to trigger safety problem.
Description
Technical field
The utility model is specifically related to a kind of multistage earth leakage protective device.
Background technology
Current many electrical equipments requirement must have creepage protection function, typically install earth leakage protective in mains side
Device detects the leakage current of circuit, is cut off the electricity supply when detecting the presence of danger of hazardous electrical discharges, so as to play electrocution-proof protection effect.It is existing
Some earth leakage protective devices are usually leakage plug, by leakage plug cloth circuits realize earth leakage protective purpose,
Leakage plug, which needs to insert in power supply base when in use, to be powered, and in long-term use, leakage plug easily occurs with supplying
Electrical socket connection is insecure, causes leakage plug to make moist loosenings, so as to trigger safety problem, so being badly in need of a kind of multistage electric leakage guarantor
Protection unit is to solve this problem.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of multistage earth leakage protective device, this is more
Level earth leakage protective device can solve the above problems well.
To reach above-mentioned requirements, the utility model adopts the technical scheme that：A kind of multistage earth leakage protective device is provided, should
Multistage earth leakage protective device includes main body；Main body bottom is inserted with plug, the end face outside of main body be provided with warning light and
Alarming horn, the back end surface of main body are provided with the through hole for being used for stretching into external cabling, are arranged with external cabling for realizing
The sealing rubber ring of sealing；Two fixed grooves are provided with the top of main body, is provided with the top of fixed groove and penetrates the vertical of main body
Screw, the fixed screw for being fixed on main body on socket is inserted with screw；Main body both sides end bottom is respectively provided with
There is top rotating shaft, transparent rubber bar is connected in the rotating shaft of top, posted on the inner side end of transparent rubber bar and meet water change colour code
Label, the end of transparent rubber bar is provided with magnet piece；The electric leakage electrically connected with plug and external cabling is provided with inside main body
Protection circuit, leakage protection circuit, warning light, alarming horn are electrically connected with the controller.
The multistage earth leakage protective device has the advantage that as follows：
（1）Screw is set by setting fixed groove at the top of main body, and in fixed groove bottom, can utilize and fix
The multistage earth leakage protective device is fixed on wiring board by screw, is connected loosely with power supply base with preventing leakage plug
Gu leakage plug is caused to make moist loosening, so as to trigger safety problem.
（2）It can be turned by rotating shaft, chance water Allochroic label, transparent rubber bar and magnet piece at the top of being set in main body both sides
Move top rotating shaft and stretching transparent rubber bar makes two pieces of magnet pieces be attached together in the presence of magnetic force, and then the multistage is leaked
Electrical protective device is fixed on socket well.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this
Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings
For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings：
Fig. 1 schematically shows the structural representation of the multistage earth leakage protective device according to the application one embodiment.
Fig. 2 schematically shows the left view of the multistage earth leakage protective device according to the application one embodiment.
Fig. 3 schematically shows the leakage protection circuit of the multistage earth leakage protective device according to the application one embodiment
Internal circuit element schematic diagram.
Wherein：1st, fixed groove；2nd, main body；3rd, fixed screw；4th, top rotating shaft；5th, water Allochroic label is met；6th, it is transparent
Rubber strip；7th, magnet piece；8th, plug；9th, warning light；10th, alarming horn；11st, sealing rubber ring；12nd, external cabling.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows
The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real
Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to
One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
For the sake of simplicity, eliminate that well known to a person skilled in the art some technical characteristics in describing below.
According to one embodiment of the application, there is provided a kind of multistage earth leakage protective device, as Figure 1-3, including main frame
Body 2；The bottom of main body 2 is inserted with plug 8, and the end face outside of main body 2 is provided with warning light 9 and alarming horn 10, main body 2
Back end surface is provided with the through hole for being used for stretching into external cabling 12, and the caulking gum for realizing sealing is arranged with external cabling 12
Circle 11.
According to one embodiment of the application, the top of main body 2 of the multistage earth leakage protective device is provided with two anchors
Groove 2, the top of fixed groove 2 are provided with the vertical screw for penetrating main body 2, are inserted with screw slotting for main body 2 to be fixed on
Fixed screw 3 on seat.
According to one embodiment of the application, the both sides end bottom of main body 2 of the multistage earth leakage protective device is respectively provided with
There is top rotating shaft 4, transparent rubber bar 6 is connected in top rotating shaft 4, posted on the inner side end of transparent rubber bar 6 and meet water change
Colour code label 5, the end of transparent rubber bar 6 are provided with magnet piece 7；It is provided with inside main body and is electrically connected with plug and external cabling
Leakage protection circuit, leakage protection circuit, warning light, alarming horn are electrically connected with the controller.
According to one embodiment of the application, the magnet piece 7 of the multistage earth leakage protective device carries bar-shaped trough for side
Rectangular parallelepiped structure.
According to one embodiment of the application, the transparent rubber bar 6 of the multistage earth leakage protective device is elastic transparent rubber
It is made.
According to one embodiment of the application, the chance water Allochroic label 5 of the multistage earth leakage protective device meets water change to be soaked with
The scraps of paper of color ink.
According to one embodiment of the application, the sealing rubber ring 11 of the multistage earth leakage protective device is elastic caoutchouc system
Into.
According to one embodiment of the application, the leakage protection circuit of the multistage earth leakage protective device includes being used to input
The ac leakage signal amplifying circuit that is amplified and is superimposed with reference potential, amplified signal caused by the amplifying circuit inputs
To the first reverse circuit and compared with the reference signal Ua of the first reverse circuit, the output signal of first reverse circuit
Be input to constant-current source circuit and control the output break-make of constant-current source circuit, constant-current source circuit be output to external resistance R2 in parallel and
Electric capacity, the signal on the electric capacity are input to the second reverse circuit and compared with the reference signal Ub of the second reverse circuit, and
The output of two reverse circuits is exported to switch executive mechanism after output circuit.
According to one embodiment of the application, electrical apparatus release, ac contactor are additionally provided with inside the multistage earth leakage protective device
Device, fuse, electrical apparatus release, A.C. contactor, fuse, warning light 9, alarming horn 10, leakage protection circuit are and controller
Electrical connection, controller can be microcomputer or single-chip microcomputer.
According to one embodiment of the application, the multistage earth leakage protective device at the top of main body by setting fixed groove
1, and screw is set in the bottom of fixed groove 1, the multistage earth leakage protective device can be fixed on wiring board using fixed screw 3
On, it is connected with to prevent leakage plug with power supply base insecure, causes leakage plug to make moist loosening, so as to trigger safety to ask
Topic；It can be rotated by rotating shaft 4, chance water Allochroic label 5, transparent rubber bar 6 and magnet piece 7 at the top of being set in the both sides of main body 2
Top rotating shaft 4 and stretching transparent rubber bar 6 makes two pieces of magnet pieces 7 be attached together in the presence of magnetic force, and then by the multistage
Earth leakage protective device is fixed on socket well.
Above example only represents several embodiments of the present utility model, and its description is more specific and detailed, but not
It is understood that as the limitation to the scope of the utility model.It should be pointed out that for the person of ordinary skill of the art, not
On the premise of departing from the utility model design, various modifications and improvements can be made, these belong to the utility model protection
Scope.Therefore the scope of protection of the utility model should be defined by claim.
Claims (5)
- A kind of 1. multistage earth leakage protective device, it is characterised in that：Including main body；The main body bottom is inserted with plug, and the end face outside of the main body is provided with warning light and alarming horn, the master The back end surface of body is provided with the through hole for being used for stretching into external cabling, is arranged with the external cabling for realizing the close of sealing Seal rubber ring；Be provided with two fixed grooves at the top of the main body, be provided with the top of the fixed groove penetrate the main body vertically Screw, the fixed screw for the main body being fixed on socket is inserted with the screw；Main body both sides end bottom is provided with top rotating shaft, and transparent rubber bar, institute are connected in the top rotating shaft State to post on the inner side end of transparent rubber bar and meet water Allochroic label, the end of the transparent rubber bar is provided with magnet Block；The leakage protection circuit electrically connected with the plug and the external cabling is provided with inside the main body, the electric leakage is protected Protection circuit, warning light, alarming horn are electrically connected with the controller.
- 2. multistage earth leakage protective device according to claim 1, it is characterised in that：The magnet piece is that side carries bar shaped The rectangular parallelepiped structure of groove.
- 3. multistage earth leakage protective device according to claim 1, it is characterised in that：The transparent rubber bar is transparent for elasticity Rubber is made.
- 4. multistage earth leakage protective device according to claim 1, it is characterised in that：The chance water Allochroic label is to be soaked with chance The scraps of paper of water color shifting ink.
- 5. multistage earth leakage protective device according to claim 1, it is characterised in that：The sealing rubber ring is elastic caoutchouc It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720772371.0U CN206834724U (en) | 2017-06-29 | 2017-06-29 | A kind of multistage earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720772371.0U CN206834724U (en) | 2017-06-29 | 2017-06-29 | A kind of multistage earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834724U true CN206834724U (en) | 2018-01-02 |
Family
ID=60778394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720772371.0U Expired - Fee Related CN206834724U (en) | 2017-06-29 | 2017-06-29 | A kind of multistage earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193226A (en) * | 2018-09-28 | 2019-01-11 | 陈翠华 | A kind of safety plug & socket structure |
-
2017
- 2017-06-29 CN CN201720772371.0U patent/CN206834724U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193226A (en) * | 2018-09-28 | 2019-01-11 | 陈翠华 | A kind of safety plug & socket structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180102 Termination date: 20180629 |