CN205724838U - Earth leakage protective device - Google Patents
Earth leakage protective device Download PDFInfo
- Publication number
- CN205724838U CN205724838U CN201620590869.0U CN201620590869U CN205724838U CN 205724838 U CN205724838 U CN 205724838U CN 201620590869 U CN201620590869 U CN 201620590869U CN 205724838 U CN205724838 U CN 205724838U
- Authority
- CN
- China
- Prior art keywords
- press strip
- earth leakage
- horizontal press
- board assembly
- leakage protective
- 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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Abstract
nullThe utility model discloses earth leakage protective device，It mainly includes housing，Leakage protection circuit and work package it is provided with in housing，Described work package includes trip assembley therefor，Connect above trip assembley therefor and have dropout pulling-on piece，Also include horizontal press strip，The described dropout pulling-on piece horizontal press strip of insertion is interior and can slide in horizontal press strip，Trip assembley therefor both sides are provided with dynamic tactile diving board assembly，The dynamic diving board assembly that touches is connected to below horizontal press strip，Described horizontal press strip inserts the dynamic of both sides and touches in diving board assembly，Also include being separately positioned on two dynamic stationary contact copper piece touched below diving board assembly one end，Described trip assembley therefor includes iron core and is arranged on the tripping coil of iron core outer，Described tripping coil is connected with leakage protection circuit，This apparatus structure is simple，And can cut off the electricity supply rapidly when there is leak current fault，People is played a good protective effect，And due to its simple structure，Reduce production cost，The structure simultaneously making earth leakage protective device is more stable.
Description
Technical field
This utility model relates to a kind of earth leakage protective device, particularly to earth leakage protective device.
Background technology
When staff imprudence touches live wire or the load of electric leakage situation occurs, live wire, human body, greatly, between zero line
A loop will be formed, the person just has electric current and passes through, when electric current is sufficiently large when, it is possible to human body is caused danger
Evil, traditional earth leakage protective device structure is complicated, unstable, not only cost rising, and due to the structure of its complexity, it is easy to make
Earth leakage protective device breaks down.
Utility model content
This utility model solves the technical problem that and is to provide a kind of simple in construction, and stability is high, the earth leakage protective of low cost
Device.
This utility model solves the technical scheme is that earth leakage protective device of its technical problem, including housing, in housing
Being provided with leakage protection circuit and work package, described work package includes trip assembley therefor, and connecting above trip assembley therefor has dropout
Pulling-on piece, also includes horizontal press strip, is provided with angle in horizontal press strip, in described dropout pulling-on piece inserts the angle of horizontal press strip and can be at angle
Interior slip, trip assembley therefor both sides are provided with the dynamic diving board assembly that touches, and the dynamic diving board assembly that touches is connected to below horizontal press strip, also includes respectively
Being arranged on two dynamic stationary contact copper piece touched below diving board assembly one end, two dynamic diving board assembly other ends that touch connect L pole copper respectively
Part and N pole copper piece, described trip assembley therefor includes tripping coil and the magnetic field produced by tripping coil being arranged in tripping coil
The iron core driven, described iron core one end connects has spring, described tripping coil to be connected with leakage protection circuit, described earth leakage protective
Circuit in order to receive electric leakage signal and to coil export control signal, be additionally provided with in housing with horizontal press strip link promote horizontal pressure
The push button assembly that bar is pressed down.
Further: described leakage protection circuit includes the current transformer being connected with live wire to be detected and zero line, institute
State current transformer and be connected to electric circuit inspection module, also include that earth leakage protective chip, described electric circuit inspection module are connected to electric leakage
The signal input part of protection chip, also includes the silicon controlled one end being connected with earth leakage protective chip output and controls end, can
The other end of control silicon is connected to coil.
Further: also include being connected to zero line and the display lamp of live wire and test button, also include and test button
The resistive module of series connection.
The beneficial effects of the utility model are: earth leakage protective device simple in construction of the present utility model, and electric leakage event is occurring
Can cut off the electricity supply rapidly during barrier, people be played a good protective effect, and due to its simple structure, reduces and produce into
This, the performance simultaneously making earth leakage protective device is more stable.
Accompanying drawing explanation
Fig. 1 is circuit for electric leakage protector figure.
Fig. 2 is earth leakage protective device side view.
Fig. 3 is leakage protection circuit schematic diagram.
Figure is labeled as: stationary contact copper piece 1, display lamp 2, tripping coil 3, push button 4, test button 5, earth leakage protective electricity
Road 6, horizontal press strip 7, dropout pulling-on piece 8, dynamic tactile diving board assembly 9, trip assembley therefor 10, L pole copper piece 11, N pole copper piece 12, electric circuit inspection mould
Block 13, controllable silicon 14, resistive module 15.
Detailed description of the invention
With detailed description of the invention, this utility model is further illustrated below in conjunction with the accompanying drawings.
Earth leakage protective device as shown in Figure 1 to Figure 3, including housing, is provided with leakage protection circuit 6 and working group in housing
Part, described work package includes trip assembley therefor 10, and trip assembley therefor 10 connects above dropout pulling-on piece 8, also includes horizontal press strip, horizontal pressure
Angle it is provided with in bar, in described dropout pulling-on piece 8 inserts the angle of horizontal press strip 7 and can slide in angle, trip assembley therefor 10 liang
Side is provided with to move touches diving board assembly 9, and the dynamic diving board assembly 9 that touches is connected to below horizontal press strip, also includes being separately positioned on two dynamic tactile
Stationary contact copper piece 1 below diving board assembly one end, two dynamic diving board assembly other ends that touch connect L pole copper piece 11 and N pole copper piece respectively
12, described trip assembley therefor 10 includes tripping coil 3 and the field drives produced by tripping coil being arranged in tripping coil
Iron core, described iron core one end connects has spring, described tripping coil 3 to be connected with leakage protection circuit, described leakage protection circuit
In order to receive electric leakage signal and to export control signal to coil, it is additionally provided with in housing and the promoting under horizontal press strip of horizontal press strip link
The push button assembly 4 of pressure, when leakage protection circuit 6 detects generation leak current fault in circuit, leakage protection circuit 6 exports
Current signal, to tripping coil 3, has electric current to pass through in tripping coil 3 so that produce induction electromotive force in tripping coil 3 so that
Iron core in tripping coil 3 moves up under the common effect of magnetic field and spring, and iron core drives dropout pulling-on piece 8 to insert horizontal press strip
In, promote horizontal press strip to lift, so that the dynamic diving board assembly 9 that touches is lifted up so that the dynamic diving board assembly 9 that touches takes off with stationary contact copper piece 1
From, it is achieved the rapid cut-out to power supply, when pressing push button 4, promote to press under horizontal press strip, touch diving board assembly 9 so that dynamic
Contact with stationary contact copper piece 1 so that circuit ON, order about dropout pulling-on piece outside mobile to horizontal press strip so that plunger return simultaneously, this
Device is optimized from configuration aspects so that number of parts reduces, and also reduces production cost simultaneously.
As it is shown on figure 3, described leakage protection circuit 6 includes the current transformer being connected with live wire to be detected and zero line, institute
State current transformer and be connected to electric circuit inspection module 13, also include that earth leakage protective chip, described electric circuit inspection module 13 are connected to
The signal input part of earth leakage protective chip, also includes one end of controllable silicon 14 and the control being connected with earth leakage protective chip output
End, the other end of controllable silicon 14 is connected to coil, when there is not leak current fault, the current vector that current transformer receives and
Being 0, current detection module cannot detect signal, and when there is leak current fault, current transformer produces electric current so that electric current is examined
Surveying module to be transferred in earth leakage protective chip by the current signal detected, signal is amplified processing by earth leakage protective chip,
And controlling controllable silicon 14 path so that the current signal through amplifying flow to tripping coil 3 through controllable silicon 14 so that trip line
Iron core motion in circle 3 realizes trip operation so that earth leakage protective device realizes the cut-out to circuit.
Additionally, also include display lamp 2 and the test button 5 being connected to zero line and live wire, also include connecting with test button 5
Resistive module 15, when electric current normal through time, electric current can flow through display lamp 2, is lighted by display lamp 2, represent estimated current just
Often, electric leakage accident not occurring, when earth leakage protective device deenergization, display lamp 2 goes out, and can give suggesting effect, and when using
After earth leakage protective device a period of time, test button 5 can be pressed, after pressing test button 5, because of the effect of resistive module 15, change
Become the size of current flowing to current transformer, be modeled to leakage condition, observed whether earth leakage protective device is in normal shape
State, prevents from causing security incident because earth leakage protective device breaks down.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step describes in detail, be it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection domain of the present utility model.
Claims (3)
1. earth leakage protective device, it is characterised in that: include housing, in housing, be provided with leakage protection circuit (6) and work package, institute
Stating work package and include trip assembley therefor (10), trip assembley therefor (10) connects above dropout pulling-on piece (8), also includes horizontal press strip, horizontal
Angle it is provided with in press strip, in described dropout pulling-on piece (8) inserts the angle of horizontal press strip (7) and can slide in angle, dropout group
Part (10) both sides are provided with the dynamic diving board assembly (9) that touches, and the dynamic diving board assembly (9) that touches is connected to below horizontal press strip, also includes setting respectively
Putting two dynamic stationary contact copper piece (1) touched below diving board assembly one end, two dynamic diving board assembly other ends that touch connect L pole copper respectively
Part (11) and N pole copper piece (12), described trip assembley therefor (10) include tripping coil (3) and be arranged in tripping coil by threading off
The iron core of the field drives that coil produces, described iron core one end connects spring, described tripping coil (3) and leakage protection circuit
Connecting, described leakage protection circuit, in order to receive electric leakage signal and to export control signal to coil, is additionally provided with in housing with horizontal
Press strip link promote the push button assembly (4) that horizontal press strip presses down.
2. earth leakage protective device as claimed in claim 1, it is characterised in that: described leakage protection circuit includes and live wire to be detected
The current transformer connected with zero line, described current transformer is connected to electric circuit inspection module (13), also includes earth leakage protective core
Sheet, described electric circuit inspection module (13) is connected to the signal input part of earth leakage protective chip, also includes defeated with earth leakage protective chip
Going out the one end of the controllable silicon (14) that end connects and control end, the other end of controllable silicon (14) is connected to coil.
3. earth leakage protective device as claimed in claim 1, it is characterised in that: also include the display lamp being connected to zero line and live wire
(2) and test button (5), the resistive module (15) connected with test button (5) is also included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620590869.0U CN205724838U (en) | 2016-06-17 | 2016-06-17 | Earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620590869.0U CN205724838U (en) | 2016-06-17 | 2016-06-17 | Earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205724838U true CN205724838U (en) | 2016-11-23 |
Family
ID=57306588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620590869.0U Expired - Fee Related CN205724838U (en) | 2016-06-17 | 2016-06-17 | Earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205724838U (en) |
-
2016
- 2016-06-17 CN CN201620590869.0U patent/CN205724838U/en not_active Expired - Fee Related
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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: 20161123 Termination date: 20180617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |