CN105990754A - Leakage protection socket - Google Patents
Leakage protection socket Download PDFInfo
- Publication number
- CN105990754A CN105990754A CN201510070918.8A CN201510070918A CN105990754A CN 105990754 A CN105990754 A CN 105990754A CN 201510070918 A CN201510070918 A CN 201510070918A CN 105990754 A CN105990754 A CN 105990754A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact spring
- socket
- earth leakage
- 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.)
- Granted
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Abstract
The invention provides a leakage protection socket. The socket comprises a shell, a support, a machine core assembly, a reset mechanism and a test mechanism, wherein the support, the machine core assembly, the reset mechanism and the test mechanism are arranged in the shell. A pair of output socket sheets is installed on the support. The machine core assembly includes a circuit board, a releasing device and a pair of elastic moving contact sheets, wherein the releasing device and the elastic moving contact sheets are arranged on the circuit board. The elastic moving contact sheets are connected to an input terminal of the socket and are contacted with output socket sheets in a normal working state so as to form electric connection between a socket input terminal and an output terminal. The leakage protection socket without a load output terminal has a simpler structure; a defect of power utilization failure caused by wrong wiring can be overcome; and the socket can be used conveniently and reliably.
Description
Technical field
The present invention relates to a kind of earth leakage protective socket (GFCI), particularly relate to one and do not have negative
Carry the earth leakage protective socket of output.
Background technology
Figure 1 illustrates the surface structure of existing common earth leakage protective socket, its usual tool
Have input A, load outputs B and socket output C, input A and load outputs
B connects input power and output loading respectively, and socket output C is then socket piece.Using
During, in order to prevent user error reverse wiring from (i.e. mistakenly output is treated as input
Access power supply, cause earth leakage protective device to lose protective effect), need carry out complexity structure with
And the design on circuit.
Content of the invention
It is an object of the invention to provide a kind of earth leakage protective socket not having load outputs, thus
Simplify internal structure and circuit design, improve the reliability of product.
To this end, include housing according to a kind of earth leakage protective socket of present inventive concept and be arranged at institute
State the support in housing, cartridge assemblies, resetting-mechanism and test mechanism, described support is pacified
Equipped with a pair accessory power outlet piece, described cartridge assemblies includes circuit board and is arranged at described circuit board
On trip gear and a pair elastic movable contact spring, wherein, described elastic movable contact spring is connected to insert
Seat input, and contact with described accessory power outlet piece in normal operation, slotting to be formed
Electrical connection between seat input and output.
Owing to eliminating the design of load outputs, the earth leakage protective socket of the present invention is in wiring
When, would not cause and power line is linked into load end, cause earth leakage protective socket not play
The wrong reverse wiring phenomenon of protective effect, the therefore design of internal structure and circuit avoids the need for
Meet the requirement of mistake reverse wiring function, thus simplify product, and performance is relatively reliable.
According to a kind of embodiment, described trip gear includes electrical apparatus release, catch member and is related to
The electromagnetic component of connection, the snap close that described catch member passes through for the return pin of described resetting-mechanism
Hole clipping includes the first hole clipping and the second hole clipping being interconnected diametrically, wherein said second card
The size being smaller in size than described first hole clipping in hole and the diameter with described return pin match.
So, when return pin inserts snap close hole clipping, the first hole clipping of large-size is initially entered, so
After under the effect of electromagnetic component, enter the second hole clipping, due to size and the reset tip of the second hole clipping
Diameter match, the second hole clipping can more reliably block return pin.
According to a kind of embodiment, described circuit board is additionally provided with by auxiliary movable contact spring and auxiliary
The auxiliary switch that static contact is constituted, described electrical apparatus release is provided with promote described elastic movable contact spring with
The contact of described accessory power outlet piece carry arm, and carry below arm described in being arranged on and be positioned at described auxiliary
Auxiliary below power-assist contact carries arm.When electrical apparatus release moves up, carrying arm makes elastic movable contact spring
While contact with accessory power outlet piece, auxiliary carries arm straps dynamic auxiliary movable contact spring and moves up, auxiliary
Movable contact on movable contact spring contacts with the stationary contact on auxiliary static contact, it is achieved electrically connected.
According to a kind of embodiment, described elastic movable contact spring inserts and is arranged on described circuit board
Magnetic ring component, and include live wire movable contact spring and zero line movable contact spring, on wherein said live wire movable contact spring
Being provided with the locating dowel to be inserted in described magnetic ring component for the positioning hole, described zero line movable contact spring is provided with
Opening, is provided with elastic contact chip in order to contact with the copper pin in described magnetic ring component in it, it is achieved
Positioning and electrical connection.
According to a kind of embodiment, also include in described housing sending the indicator lamp on circuit board
Light guide to the lamp piece of described hull outside, it is configured to from described indicator lamp to described shell
Body size is gradually reduced, thus provides bigger light transmittance to make indicator lamp be refracted to receptacle face
Light brighter.
According to a kind of embodiment, also including grounding rack assembly in described housing, its two ends extend
The part going out described housing is provided with installation screw.By this way, installation screw may pass through and joins
Behind electronic box mounting bracket hole, direct car enters the installation screw on grounding rack assembly, thus can will leak
Electric protection socket is fixed on distribution box support, it is not necessary to nut is fixed.
By the above-mentioned general introduction to the present invention it can be seen that insert compared to existing earth leakage protective
Seat, the earth leakage protective socket structure without load outputs according to the present invention is more simple,
Do not have false wiring and cause using the defect of electric fault, and easy to use and reliable.
Brief description
The more features of the present invention and advantage will be by below in conjunction with the accompanying drawings to detailed description of the invention
Further description be more fully understood that.Identical in accompanying drawing reference mark identical or
Similar parts, wherein:
Fig. 1 is the three-dimensional appearance schematic diagram of existing earth leakage protective socket；
Fig. 2 is for according to outside the solid of the earth leakage protective socket without load outputs of the present invention
See schematic diagram；
Fig. 3 is the schematic diagram being off according to the earth leakage protective socket of the present invention；
Fig. 4 for being in the schematic diagram of closure state according to the earth leakage protective socket of the present invention；
Fig. 5 is the perspective exploded view of the earth leakage protective socket according to the present invention.
Detailed description of the invention
In order to be more fully understood that structure, function and the effect of the present invention, existing utilization is following preferably real
Execute example and combine accompanying drawing and be described in detail.It should be appreciated that example structure design and with
The embodiment that the lower description present invention is combined is not intended as all enforcements according to the present invention for the limit
Example.Additionally, in following specific descriptions, the term of directionality, for example " on ", D score,
The direction all with reference to described in accompanying drawing such as "left", "right" uses, the term of these directionality
Illustrate rather than restriction.
Referring first to Fig. 1 and combine Fig. 5, show according to a kind of preferred embodiment of the present invention
Earth leakage protective socket.This socket includes the housing being made up of upper cover 1 and base 2, upper cover 1
It is provided with the test button hole 102 that the 104th, socket aperture inserts for test button 5 and SR 6
With SR hole 103, and for lamp piece 7 insert indicator lamp hole 101.Housing is provided with
Support the 4th, grounding rack assembly 3 and the cartridge assemblies being arranged between support 4 and base 2.
From the comparison of Fig. 1 and Fig. 2 it can be seen that in appearance, the earth leakage protective socket of the present invention
It is only provided with input 8 without arranging output, and the installing hole on grounding rack assembly 3
It is configured to installation screw 301, thus the socket of the present invention can be mounted directly and be fixed to distribution box
On support.
Below by the concrete structure describing in detail further combined with Fig. 3 to Fig. 5 in housing and operation
Mode.
In the embodiment as shown, cartridge assemblies includes circuit board 9 and the dropout of upper installation thereof
Device and a pair elastic movable contact spring, this is input movable contact spring to elastic movable contact spring, including live wire moves
Contact 17 and zero line movable contact spring 18, one end of elastic movable contact spring is installed in magnetic ring component and is connected
To circuit board, the other end is respectively equipped with live wire movable contact 1701 and zero line movable contact 1801.?
Support 4 is provided with a pair accessory power outlet piece the 13rd, 14, which is provided with insert corresponding on upper cover 1
The metal blade of bore 104 alignment, from figure 5 it can be seen that the bottom of this metal blade sets
There is the contact structure that can contact with live wire movable contact 1701 and zero line movable contact 1801.
Trip gear is arranged on the lower section of elastic movable contact spring 17,18 and includes that the 19th, electrical apparatus release is locked
Button element 20 and electromagnetic component.The return pin 602 that electrical apparatus release 19 is provided with for resetting-mechanism is inserted
The return pin pilot hole 1901 entering and the snap close pilot hole 1902 inserting for catch member 20,
Electrical apparatus release is respectively provided on two sides with and outward extending carries arm 1903.Wherein, in this embodiment,
The hole clipping passing through for return pin 602 in catch member 20 include being interconnected diametrically the
One hole clipping 2002 and the second hole clipping 2001, wherein the second hole clipping 2001 be smaller in size than first
The size of hole clipping 2002 and the diameter with return pin 602 match.
The electromagnetic component of trip gear can include trip line coil the 21st, dropout iron core 22 and thread off
Spring 23.Circuit board 9 is additionally provided with by auxiliary movable contact spring 25 and auxiliary static contact 24 structure
The auxiliary switch becoming, wherein, auxiliary movable contact spring 25 and auxiliary static contact 24 insert dropout respectively
The auxiliary movable contact spring jack 2102 providing on bobbin 21 and auxiliary static contact jack 2101.
Correspondingly, in this embodiment illustrating, carrying of electrical apparatus release 19 can be extra under arm 1903
Being provided with auxiliary and carrying arm 1904, it is positioned at below auxiliary movable contact spring 25, in order to promote auxiliary dynamic
Contact 25 contacts with auxiliary static contact 24.
Resetting-mechanism and test mechanism can use existing structure, and its concrete structure repeats no more, but
Operating procedure can be clearly understood that in the following description.In the embodiment illustrating in the drawings, also
Need some detailed structure is described.Relate in one aspect to insert the live wire movable contact spring 17 of magnetic ring component
With the structure design on zero line movable contact spring 18.Seeing Fig. 5, magnetic ring component can include magnet ring lid
26th, magnet ring 27 and magnet ring set 28 are detected.Wherein, live wire movable contact spring 17 is provided with positioning
Hole 1702, the locating dowel 2801 arranging can be inserted on magnet ring set 28 in this positioning hole 1702.
Meanwhile, zero line movable contact spring 18 is provided with opening, is provided with elastic contact chip 1802 in it, this bullet
Property contact chip can with magnet ring set 28 on arrange copper pin 2802 contact.Thus, it is possible to enter one
Step realize elastic movable contact spring the 17th, 18 positioning and reliably electrically connect.On the other hand, at housing
Inside also include that the light sending the indicator lamp 10 on circuit board guides to the lamp piece 7 of hull outside.
As shown in Figure 5, the upper cover 1 that lamp piece 7 is configured to from indicator lamp 10 to housing is size
Being gradually reduced, it is more preferable that bottom large scale enables to light transmittance, thus indicator lamp 10 reflects
Brighter to the light of receptacle face.Lamp piece 7 head can penetrate in the indicator lamp hole 101 of upper cover 1,
Middle part also can be provided with small boss for being supported on support 4.
When the earth leakage protective socket shown in Fig. 3 is off, SR 6 is in jump
The state of rising, and departs from catch member 20, elastic movable contact spring the 17th, 18 movable contact the 1701st,
1801 with accessory power outlet piece the 13rd, 14 contact the 1301st, 1401 be in separated position.In conjunction with
Fig. 5, after pressing SR 6, return pin 602 is sequentially inserted into answering on electrical apparatus release 19
Hole clipping on position pin pilot hole 1901 and catch member 20, now bayonet socket 601 is introduced into first
In hole clipping 2002, then bayonet socket 601 under dropout iron core 22 and dropout spring 23 active force
Go successively in the second less hole clipping 2001 of size, thus because of vibrating or will not press
SR causes slide fastener phenomenon.When discharging SR 6, at the work of back-moving spring 12
Under with, catch member 20 is pulled and up moves, thus also make electrical apparatus release 19 carry arm
The 17th, 1903 band dynamic elasticity movable contact springs 18 up move, until elastic movable contact spring and accessory power outlet
The corresponding contacts contact of piece realizes the electrical connection of power input and output, completes electric power defeated
Go out, just charged in the socket aperture 104 of receptacle face.Now, owing to electrical apparatus release 19 upwards moves
Dynamic, auxiliary carries arm 1904 and carry dynamic auxiliary moving contact 25 to move up simultaneously, the contact on it and
Stationary contact on auxiliary static contact 24 contacts, it is achieved connect conducting.
By Fig. 5 it is also seen that this earth leakage protective socket also can be at such as accessory power outlet piece the 13rd, 14
Lower section and test button 5 between be provided with a test film 15 to constitute test mechanism, can pass through
Simulation earth leakage protective path is to check that can device be operating normally.When press test button 5 or insert
When there is the phenomena of the failure such as electric leakage in seat, as shown in Figure 4, electric circuit inspection to leakage current simultaneously produces
Trigger makes controlled silicon conducting, causes tripping coil to be energized, and dropout iron core 22 starts action,
Pulling catch member 20 to disengage the bayonet socket 601 of SR 6, electrical apparatus release 19 falls, and
The 17th, elastic movable contact spring 18 moves downward under its own resilient effect, cause contact on it with
The contact of accessory power outlet piece is separated from each other, thus disconnects electrically connected.Now, due to electrical apparatus release
The whereabouts of 19, auxiliary movable contact spring 25 loses the support that auxiliary carries arm 1904, connects conducting
Auxiliary static contact 24 separates with auxiliary movable contact spring 25, furthermore achieved that earth leakage protective.
Additionally, also can be provided with corresponding to socket aperture between upper cover 1 and grounding rack assembly 3
Anti-plug device 11.Also can be provided with positioning hole 901 on circuit board 9, base 2 protrudes into housing
Internal return pin pilot hole 203 (Fig. 3, Fig. 4) can pass through this positioning hole 901, and
The guiding of return pin head is realized when return pin moves downward.The binding post 16 of input 8
Input wire hole 201 on base 2 is installed, and trip bolt 29 is from base 2
Trip bolt hole 202 screws in, thus by parts fastenings such as upper cover the 1st, support the 4th, bases 2 even
It is connected together and constitute complete earth leakage protective socket.
The technology contents of the present invention and technical characterstic have revealed that as above, but those skilled in the art
Should be able to be it is appreciated that under the creative ideas of the present invention, above-described embodiment can be carried out respectively
Plant structural or logicality changes and improvements, but broadly fall into protection scope of the present invention.Illustrate
Structural representation and specific embodiment described above be not intended as limit according to the present invention
All embodiments.Protection scope of the present invention is determined by claim.
Claims (6)
1. an earth leakage protective socket, including housing and be arranged in described housing support,
Cartridge assemblies, resetting-mechanism and test mechanism, described support is provided with a pair accessory power outlet
Piece, described cartridge assemblies include circuit board and the trip gear that is arranged on described circuit board and
A pair elastic movable contact spring, it is characterised in that described elastic movable contact spring is connected to socket input,
And contact with described accessory power outlet piece in normal operation, with formed socket input and
Electrical connection between output.
2. earth leakage protective socket according to claim 1, it is characterised in that described de-
Buckle device includes electrical apparatus release, catch member and the electromagnetic component being associated, in described catch member
Include being interconnected diametrically for the snap close hole clipping that the return pin of described resetting-mechanism passes through
First hole clipping and the second hole clipping, wherein said second hole clipping be smaller in size than described first hole clipping
Size and the diameter with described return pin match.
3. earth leakage protective socket according to claim 2, it is characterised in that described
It is additionally provided with the auxiliary switch being made up of auxiliary movable contact spring and auxiliary static contact on circuit board, described de-
It is provided with on button device and promote described elastic movable contact spring to carry arm with described accessory power outlet piece contacts, with
And carry described in being arranged on below arm and be positioned at described auxiliary movable contact spring below auxiliary carry arm.
4. earth leakage protective socket according to claim 1, it is characterised in that described bullet
Property movable contact spring insert the magnetic ring component that is arranged on described circuit board, and include live wire movable contact spring and
Zero line movable contact spring, wherein said live wire movable contact spring is provided with positioning hole to be inserted in described magnetic ring component
On locating dowel, described zero line movable contact spring is provided with opening, be provided with in it elastic contact chip in order to
Contact with the copper pin in described magnetic ring component.
5. earth leakage protective socket according to claim 1, it is characterised in that described shell
The internal light also including sending the indicator lamp on circuit board guides the lamp of extremely described hull outside
Piece, it is configured to be gradually reduced from described indicator lamp to described shell dimension.
6. earth leakage protective socket according to claim 1, it is characterised in that described shell
Internal also including grounding rack assembly, the part that described housing is extended at its two ends is provided with installation spiral shell
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070918.8A CN105990754B (en) | 2015-02-10 | 2015-02-10 | Earth leakage protective socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070918.8A CN105990754B (en) | 2015-02-10 | 2015-02-10 | Earth leakage protective socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105990754A true CN105990754A (en) | 2016-10-05 |
| CN105990754B CN105990754B (en) | 2018-12-28 |
Family
ID=57041739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510070918.8A Active CN105990754B (en) | 2015-02-10 | 2015-02-10 | Earth leakage protective socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105990754B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654745A (en) * | 2017-01-06 | 2017-05-10 | 深圳市南岛机电有限公司 | Wall socket with electric leakage protection function, USB jack and capable of rapidly charging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305173A (en) * | 1991-03-04 | 1994-04-19 | Hosiden Corporation | Electrical connector with breaking current for leak |
| CN2682681Y (en) * | 2004-01-06 | 2005-03-02 | 上海逢安电器有限公司 | An electric leakage socket having reversed wiring protection function |
| CN2786820Y (en) * | 2005-04-08 | 2006-06-07 | 黄华道 | Reinforced multi-purpose electromagnetic electric leakage protecting socket |
| CN201018126Y (en) * | 2007-01-10 | 2008-02-06 | 黄华道 | Creepage protecting socket with service life expiration detecting function |
| CN204424603U (en) * | 2015-02-10 | 2015-06-24 | 苏州益而益电器制造有限公司 | Earth leakage protective socket |
-
2015
- 2015-02-10 CN CN201510070918.8A patent/CN105990754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305173A (en) * | 1991-03-04 | 1994-04-19 | Hosiden Corporation | Electrical connector with breaking current for leak |
| CN2682681Y (en) * | 2004-01-06 | 2005-03-02 | 上海逢安电器有限公司 | An electric leakage socket having reversed wiring protection function |
| CN2786820Y (en) * | 2005-04-08 | 2006-06-07 | 黄华道 | Reinforced multi-purpose electromagnetic electric leakage protecting socket |
| CN201018126Y (en) * | 2007-01-10 | 2008-02-06 | 黄华道 | Creepage protecting socket with service life expiration detecting function |
| CN204424603U (en) * | 2015-02-10 | 2015-06-24 | 苏州益而益电器制造有限公司 | Earth leakage protective socket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654745A (en) * | 2017-01-06 | 2017-05-10 | 深圳市南岛机电有限公司 | Wall socket with electric leakage protection function, USB jack and capable of rapidly charging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105990754B (en) | 2018-12-28 |
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