CN109390730A - Leakage protecting plug - Google Patents
Leakage protecting plug Download PDFInfo
- Publication number
- CN109390730A CN109390730A CN201710689854.9A CN201710689854A CN109390730A CN 109390730 A CN109390730 A CN 109390730A CN 201710689854 A CN201710689854 A CN 201710689854A CN 109390730 A CN109390730 A CN 109390730A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- output
- contact arm
- protecting plug
- leakage protecting
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- LJQOBQLZTUSEJA-UHFFFAOYSA-N 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC(Cl)=C1C1=C(Cl)C(Cl)=CC(Cl)=C1Cl LJQOBQLZTUSEJA-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
Abstract
The present invention provides a kind of leakage protecting plug; the leakage protecting plug includes the shell being made of upper cover and pedestal, is set to the intracorporal cartridge assemblies of shell and output electric wire; the cartridge assemblies include control circuit board, the detection components being set in control circuit board and trip assembley therefor; input inserted sheet and output moving contact arm are coupled with the cartridge assemblies; wherein; the output moving contact arm is integrally formed and connects and fixes with the detection components, wherein the output end of output moving contact arm is directly connected to output electric wire.Leakage protecting plug overall structure of the invention is simple, and assembly is reliable, will be inputted by integrally formed output moving contact arm and is directly connected to output; effectively increase the accuracy of electric leakage parameter value; reduce switching and the pad of interiors of products simultaneously, reduces small product size, and cost is greatly reduced.
Description
Technical field
The present invention it is total belong to electric field more particularly to a kind of leakage protecting plug.
Background technique
With becoming increasingly popular for household electrical appliance, people are increasingly paid attention to using safe household electrical appliance, currently, many families
Electrical appliance is all equipped with leakage protecting plug in the input terminal of power supply.But existing leakage protecting plug usually has the following deficiencies: example
Such as because the detection coil of leakage protecting plug interiors of products is without effectively fixed, since detection coil shaking causes electric leakage parameter value
Drift, reliability are relatively poor；In another example existing leakage protecting plug is more (generally in moving contact and output electric wire because of interconnector
Between be provided with patchcord across detection coil), cause switching or pad to increase so that the internal temperature rise of product it is higher, can
Increase by property difference and production and processing difficulty；For example existing leakage protecting plug small product size is big again, when use occupy socket or
Most area of power board, reduces the service efficiency of socket, and cost also correspondinglys increase.
Summary of the invention
In order to solve disadvantages described above, the purpose of the present invention is to provide a kind of leakage protecting plug structures, will test coil
It is securely fixed in interiors of products, to improve the accuracy of electric leakage parameter value, while reducing switching and the pad of interiors of products,
The reliability of product is improved, and passes through the rational design and layout of inner body, reduces the volume of product, reduces cost.
For this purpose, according to the present invention, providing a kind of leakage protecting plug, the leakage protecting plug includes by upper cover and pedestal
The shell of composition is set to the intracorporal cartridge assemblies of shell and output electric wire, wherein the cartridge assemblies include control circuit
Plate, the detection components being set in control circuit board and trip assembley therefor input inserted sheet and output moving contact arm and the machine core group
Part is coupled, wherein the output moving contact arm is integrally formed and connects and fixes with the detection components, wherein the dynamic touching of output
The output end of head arm is directly connected to output electric wire.
According to above-mentioned technical concept, the present invention can further comprise any one or more following preferred forms.
In certain preferred forms, the detection components include detection coil box, are placed in the detection coil box
Detection coil and at least one sheet metal, and will test the detection line ring cover of coil and sheet metal covering fixation, the detection
Coil box is equipped with the through-hole passed through for the output moving contact arm, and the output end of the output moving contact arm passes through the through-hole
It is connect with output electric wire.
In certain preferred forms, the detection coil box, detection coil, sheet metal and detection line ring cover are each other by viscous
Glue is fixed.
In certain preferred forms, positioning element, institute are equipped between the output moving contact arm and the detection coil box
Stating positioning element includes the positioning column or location hole being arranged on the construction section of the output moving contact arm, and is arranged described
Location hole or positioning column on detection coil box.
Further include moving contact lid in certain preferred forms, the moving contact lid by it is described output moving contact arm installation
Section is clamped with the detection coil box, wherein the moving contact is covered with and the output construction section of moving contact arm or described
The perforation of positioning column cooperation on detection coil box, and including locating convex block, the locating convex block is caught in the detection coil box
On in the card slot that is correspondingly arranged.
In certain preferred forms, the moving contact lid further includes location hook, and the location hook cooperation is caught in the control
In the mounting hole being correspondingly arranged on circuit board.
In certain preferred forms, the trip assembley therefor includes trip line coil, tripping iron core and trip spring, described de-
Fastening wire coil is equipped with the slot for accommodating the input inserted sheet.
In certain preferred forms, the mounting plate with detection coil box cooperation is additionally provided in the trip line coil,
The free segment of the output moving contact arm is positioned by the limiting slot on the mounting plate or the detection coil box.
In certain preferred forms, the cartridge assemblies further include varistor, and the trip line coil is equipped with accommodating
The pin bores of the varistor.
In certain preferred forms, the upper cover and the pedestal are positioned by clamping part and are fixed by fastener,
The clamping part includes the grab being set on the upper lid or buckle and the buckle or grab that are set on the pedestal.
It further include the line card of cladding output electric wire, the line card on the shell by being arranged in certain preferred forms
Bayonet fix.
Leakage protecting plug of the invention by using integrally formed output moving contact arm, and will output moving contact arm with
Output electric wire is directly linked together, and has many advantages, such as that high reliablity, small in size, structure is simple, at low cost, easy to produce.
Detailed description of the invention
Other feature and advantage of the invention will be more preferable by the preferred embodiment being described in detail below in conjunction with attached drawing
Ground understands, in which:
Fig. 1 is according to a kind of appearance schematic diagram of the leakage protecting plug of preferred embodiment of the present invention；
Fig. 2 is the positive decomposition diagram of leakage protecting plug shown in Fig. 1；
Fig. 3 is the reversed decomposition diagram of leakage protecting plug shown in Fig. 1；
Fig. 4 is the side schematic view for the cartridge assemblies layout for being equipped with input inserted sheet and exporting moving contact arm；
Fig. 5 is another side schematic view of cartridge assemblies layout；
Fig. 6 is the decomposition diagram of component shown in Fig. 4 or Fig. 5；
Fig. 7 is the decomposition diagram of detection components；
Fig. 8 is the schematic diagram for exporting moving contact arm.
Specific embodiment
The implementation and use of embodiment is discussed further below.It will be appreciated, however, that the specific embodiment discussed only shows
Illustrate to plasticity to implement and use ad hoc fashion of the invention, the range being not intended to limit the present invention.The all parts in description
The statement in the locations of structures such as directions such as upper and lower, top, bottom is not absolute, opposite.When in all parts such as figure
When shown arrangement, the statement of these directions is appropriate, but in figure when the position change of all parts, and the statement of these directions is also corresponding
Change.
Referring first to Fig. 1 to Fig. 3, a kind of leakage protecting plug of preferred embodiment according to the present invention is shown.The leakage
Electric protection plug includes the shell being made of upper cover 1 and pedestal 3, and cartridge assemblies 2 are provided in shell, exports electric wire 4, further includes
L line inputs inserted sheet 211, N line input inserted sheet 212 and output moving contact arm.Output electric wire 4 can have the line card coated
5, which, which passes through the bayonet 303 being arranged on the bayonet 103 and pedestal 3 being arranged in upper cover 1, fixes, to improve the bending resistance of product
Qu Xingneng.It may be provided with reset button 11, test button 12 between upper cover 1 and cartridge assemblies 2.When the intracorporal each component assembly of shell
After, the two can be positioned by respectively arranged clamping part in upper cover 1 and pedestal 3, and for example, by the tight of screw 31
Gu component fixes the two.In shown embodiment, clamping part for example including the grab 101 being arranged in upper cover 1,
The buckle 301,302 (Fig. 2) of 102 (Fig. 3) and setting on the base 3.Clamping part is preferably provided at one end of shell, and fastens
The other end of shell is arranged in component.It is to be appreciated that buckle can also be arranged in upper cover, and grab is set in the base, and
And the quantity of buckle or grab can be one or more.In this way it is possible to realize the good assembling quality of product and reduce
Assembly time.
Cartridge assemblies in leakage protecting plug according to the present invention described in detail below.Referring to fig. 4 to Fig. 8 and combination figure
Shown in 2 and Fig. 3, cartridge assemblies 2 include control circuit board PCB 201, the detection components 202 being set on PCB 201 and tripping
Component, inputs inserted sheet 211,212 and output moving contact arm is coupled with cartridge assemblies 2 respectively, especially, exports moving contact arm
It is integrally formed and is connected and fixed with detection components 202, wherein the output end of output moving contact arm is directly connected to output electric wire 4,
This will be described in detail below.
Fig. 6 shows input inserted sheet, cartridge assemblies and PCB, and the composition of trip assembley therefor has been shown in particular.On PCB 201
It is provided with the hole slot for fixed test component 202, trip assembley therefor.Trip assembley therefor includes trip line coil 203, tripping iron core
205 and trip spring 206, wherein one end of trip line coil 203 be equipped with accommodating input inserted sheet 211,212 slot 211A,
212A.L line input inserted sheet 211 and N line input inserted sheet 212 are respectively equipped with static contact 211C, 212C, and tail end can be inserted into slot
In 211A, 212A.Cartridge assemblies may also include varistor 204, while in slot 211A, 212A of trip line coil 203
Between be equipped with receive varistor 204 two pins hole.In this way, L line input inserted sheet 211, N line input inserted sheet 212, varistor
204 can be fixedly welded on PCB 201 by the limit of the physics of trip line coil.
Best as shown in Figure 7 and Figure 8, in the preferred embodiment, detection components 202 include detection coil box
2021, the detection coil 2022 being placed in detection coil box 2021 and at least one sheet metal illustrate one in Fig. 7
Sheet metal 2023, it should be understood that can also all install sheet metal in the two sides of detection coil 2022.Detection components 202 further include
It will test coil 2022 and sheet metal 2023 cover fixed detection line ring cover 2024.Detection coil 2022, sheet metal 2023,
After detection line ring cover 2024 is fitted into detection coil box 2021, it can be fixed between each other by viscose glue.N line exports moving contact
Arm 2025, L line output moving contact arm 2026 are integrally formed respectively, are provided with moving contact 2025C, 2026C at one end, wherein dynamic touching
Static contact 212C on head 2025C and N line input inserted sheet 212 forms pole switch, and moving contact 2026C and L line input inserted sheet 211
On static contact 211C form a pole switch.Exporting moving contact arm 2025,2026 has output end 2025D, 2026D, detection line
Circle box 2021, which is equipped with to supply, sets out the through-hole that contact arm passes through, output end 2025D, 2026D can pass through the through-hole with it is defeated
Electric wire 4 connects out.Specifically, as shown in connection with fig. 3, N line moving contact 2025, L line moving contact 2026 are from detection coil box 2021
It is passed through in the corresponding aperture of setting, and also cross the special welding hole 2011,2012 being arranged on PCB 201.It exports on electric wire 4
Cored wire conductor 401,402 also passes through the special welding hole 2011,2012 being arranged on PCB 201, so as to keep N line dynamic by welding
The cored wire conductor 401,402 of contact 2025, L line moving contact 2026 respectively with output electric wire 4 links together, and that realizes electric power can
By connection.
It is also seen that between the construction section and detection coil box 2021 for exporting moving contact arm from Fig. 7 and Fig. 8 and is equipped with positioning region
Part.In this embodiment, positioning element includes the location hole 2025B being arranged on N line output moving contact arm 2025 and setting
L line output moving contact arm 2026 on location hole 2026B, and be arranged on detection coil box 2021 positioning column 2021A,
2021B.It should be understood that the arrangement of location hole and positioning column can be exchanged accordingly.Advantageously, moving contact lid can be also equipped with
2027, the construction section for exporting moving contact arm can be clamped by the moving contact lid 2027 with detection coil box 2021.Wherein, touching is moved
Skull 2027 is equipped with perforation 2027A, 2027B with positioning column 2021A, 2021B cooperation on detection coil box 2021.In addition,
Moving contact lid 2027 further includes locating convex block 2027C, and locating convex block 2027C can be caught on detection coil box 2021 and be correspondingly arranged
Card slot 2021C in.In order to realize the fixation with PCB 201, moving contact lid 2027 may also include location hook 2027E, location hook
2027E can cooperate in the mounting hole for being caught in and being correspondingly arranged on PCB 201, as shown in Figure 2.As a result, in the dress of cartridge assemblies
With in the process, detection coil is caught in by the cooperation of location hole and positioning column, and by the locating piece 2027C of moving contact lid 2027
In the card slot 2021C being arranged on box 2021, while location hook 2027E is caught in the corresponding hole PCB 201, and each component can be realized
Between relative position fix and efficient combination.
In the preferred embodiment, the installation cooperated with detection coil box 2021 can be also equipped in trip line coil 203
The free segment of plate, output moving contact arm can be positioned by the limiting slot on mounting plate or detection coil box 2021.Referring specifically to
Fig. 7 and Fig. 8 can be provided with for the free segment and construction section to L line output moving contact arm 2026 on detection coil box 2021
The limiting slot 202F1 of end 2026F limit and the end 2025F for exporting moving contact arm 2025 to N line of junction are limited
The limiting slot 202F2 of position.When output moving contact arm be fit into detection components 202 and output end be pierced by detection components 202 it
Afterwards, the mounting plate in trip line coil 203 is coupled with detection coil box 2021, by limiting slot 203F1,203F2 with
Plane 203F1,203F2 in trip line coil 203 realizes the positioning up and down of the free segment of output moving contact arm.It is understood that
Be, above-mentioned limiting slot also it is settable on a mounting board, or in detection coil box and the slot matched settable on mounting plate
Road.After completing above-mentioned assembling, it is equipped with input inserted sheet, the trip assembley therefor 203 of output moving contact arm and detection components 202 and passes through
Hole slot on PCB is fixed, and the output end and output electric wire 4 for exporting moving contact arm are welded to connect, then upper cover 1 and pedestal 3 are connected
It is fixed, the assembly of entire leakage protecting plug can be completed.
Leakage protecting plug overall structure of the invention is simple, and assembly is reliable, passes through integrally formed output moving contact arm
Input is directly connected to output, the accuracy of electric leakage parameter value is effectively increased, at the same reduce the switching of interiors of products with
Pad reduces small product size, and cost is greatly reduced.
Technology contents and technical characterstic of the invention are had revealed that above, it being understood, however, that in creative ideas of the invention
Under, those skilled in the art can make various changes and improve to design disclosed above, but belong to protection of the invention
Range.The description of above embodiment is exemplary rather than restrictive, and protection scope of the present invention is by claim institute
It determines.
Claims (11)
1. a kind of leakage protecting plug, the leakage protecting plug includes the shell being made of upper cover and pedestal, is set to shell
Interior cartridge assemblies and output electric wire, wherein the cartridge assemblies include control circuit board, are set in control circuit board
Detection components and trip assembley therefor, input inserted sheet and output moving contact arm is coupled with the cartridge assemblies, which is characterized in that institute
It states output moving contact arm to be integrally formed and connect and fix with the detection components, wherein the output end of output moving contact arm and output
Electric wire is directly connected to.
2. leakage protecting plug according to claim 1, which is characterized in that the detection components include detection coil box,
The detection coil being placed in the detection coil box and at least one sheet metal, and will test coil and sheet metal covering admittedly
Fixed detection line ring cover, the detection coil box are equipped with the through-hole passed through for the output moving contact arm, the dynamic touching of output
The output end of head arm passes through the through-hole and connect with output electric wire.
3. leakage protecting plug according to claim 2, which is characterized in that the detection coil box, detection coil, metal
Piece and detection line ring cover are fixed each other by viscose glue.
4. leakage protecting plug according to claim 3, which is characterized in that the output moving contact arm and the detection line
It encloses and is equipped with positioning element between box, the positioning element includes the positioning column being arranged on the construction section of the output moving contact arm
Or location hole, and the location hole or positioning column that are arranged on the detection coil box.
5. leakage protecting plug according to claim 4, which is characterized in that it further include moving contact lid, the moving contact lid
By it is described output moving contact arm construction section and the detection coil box be clamped, wherein the moving contact be covered with it is described defeated
The perforation of the positioning column cooperation on the construction section or the detection coil box of contact arm is set out, and including locating convex block, it is described fixed
Position convex block is caught in the card slot being correspondingly arranged on the detection coil box.
6. leakage protecting plug according to claim 5, which is characterized in that the moving contact lid further includes location hook, institute
Location hook cooperation is stated to be caught in the mounting hole being correspondingly arranged in the control circuit board.
7. leakage protecting plug according to any one of claim 1 to 6, which is characterized in that the trip assembley therefor includes
Trip line coil, tripping iron core and trip spring, the trip line coil are equipped with the slot for accommodating the input inserted sheet.
8. leakage protecting plug according to claim 7, which is characterized in that be additionally provided in the trip line coil with it is described
The free segment of the mounting plate of detection coil box cooperation, the output moving contact arm passes through the mounting plate or the detection coil box
On limiting slot positioning.
9. leakage protecting plug according to claim 7, which is characterized in that the cartridge assemblies further include varistor,
The trip line coil is equipped with the pin bores for accommodating the varistor.
10. leakage protecting plug according to claim 1, which is characterized in that the upper cover and the pedestal pass through clamping
Positioning parts are simultaneously fixed by fastener, and the clamping part includes the grab being set on the upper lid or buckle and setting
In buckle or grab on the pedestal.
11. leakage protecting plug according to claim 1, which is characterized in that further include the line card of cladding output electric wire, institute
Line card is stated to fix by the bayonet being arranged on the shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689854.9A CN109390730B (en) | 2017-08-14 | 2017-08-14 | Leakage protection plug |
| US15/808,839 US10770844B2 (en) | 2016-12-14 | 2017-11-09 | Leakage current protection device for power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689854.9A CN109390730B (en) | 2017-08-14 | 2017-08-14 | Leakage protection plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109390730A true CN109390730A (en) | 2019-02-26 |
| CN109390730B CN109390730B (en) | 2024-02-27 |
Family
ID=65416643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689854.9A Active CN109390730B (en) | 2016-12-14 | 2017-08-14 | Leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109390730B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223886A (en) * | 2019-07-16 | 2019-09-10 | 深圳市南岛机电有限公司 | Waterproof electricity leakage protector |
| CN113783013A (en) * | 2021-09-09 | 2021-12-10 | 常熟市微尘电器有限公司 | Leakage protection plug and assembly process thereof |
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| CA2453792A1 (en) * | 2002-12-30 | 2004-06-30 | Leviton Manufacturing Co., Inc. | A gfci without bridge contacts and having means for automatically blocking a face opening of a protected receptacle when tripped |
| CN200965956Y (en) * | 2006-10-23 | 2007-10-24 | 上海益而益电器制造有限公司 | Electrical leakage protective power supply plug |
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| CN201425995Y (en) * | 2009-05-27 | 2010-03-17 | 中山市开普电器有限公司 | Power plug with leakage protection function |
| CN201639103U (en) * | 2009-11-25 | 2010-11-17 | 漳州马可电器科技有限公司 | Multifunctional adapter with earth leakage protection function |
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| WO2012075664A1 (en) * | 2010-12-05 | 2012-06-14 | 中山市开普电器有限公司 | Power plug with leakage protection function |
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| WO2016059430A1 (en) * | 2014-10-17 | 2016-04-21 | Hawker Siddeley Switchgear Limited | Circuit breaker with coil for arc displacement |
| CN206401650U (en) * | 2016-12-31 | 2017-08-11 | 上海路美思电气有限公司 | A kind of earth leakage protective converter |
| CN207082657U (en) * | 2017-08-14 | 2018-03-09 | 苏州益而益电器制造有限公司 | Leakage protecting plug |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2453792A1 (en) * | 2002-12-30 | 2004-06-30 | Leviton Manufacturing Co., Inc. | A gfci without bridge contacts and having means for automatically blocking a face opening of a protected receptacle when tripped |
| CN200965956Y (en) * | 2006-10-23 | 2007-10-24 | 上海益而益电器制造有限公司 | Electrical leakage protective power supply plug |
| CN101478099A (en) * | 2008-01-04 | 2009-07-08 | 创奇科技有限公司 | Neutral grounding fault creepage protecting plug |
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| CN201639103U (en) * | 2009-11-25 | 2010-11-17 | 漳州马可电器科技有限公司 | Multifunctional adapter with earth leakage protection function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223886A (en) * | 2019-07-16 | 2019-09-10 | 深圳市南岛机电有限公司 | Waterproof electricity leakage protector |
| CN113783013A (en) * | 2021-09-09 | 2021-12-10 | 常熟市微尘电器有限公司 | Leakage protection plug and assembly process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109390730B (en) | 2024-02-27 |
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