CN103682800B - Leakage protection plug - Google Patents
Leakage protection plug Download PDFInfo
- Publication number
- CN103682800B CN103682800B CN201210364098.XA CN201210364098A CN103682800B CN 103682800 B CN103682800 B CN 103682800B CN 201210364098 A CN201210364098 A CN 201210364098A CN 103682800 B CN103682800 B CN 103682800B
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- CN
- China
- Prior art keywords
- contact
- circuit board
- fire
- type terminal
- crimp type
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000011889 copper foil Substances 0.000 claims description 16
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000004079 fireproofing Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 208000028485 lattice corneal dystrophy type I Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electric leakage protection plug, which comprises a shell, a pin, a circuit board, a contact, a crimping terminal and a fireproof baffle plate, wherein the shell is provided with a plurality of through holes; the circuit board, the contact, the crimping terminal and the fire damper are disposed inside the housing; the pin penetrates through the lower part of the shell to be connected with the contact or the crimping terminal; the circuit board is arranged at the upper part inside the shell; the contact is arranged at the lower part of the circuit board; the fire damper is disposed between the contact and the housing. The leakage protection plug can effectively reduce the risks that high-temperature heating is generated due to poor contact between the internal contact of the plug and the crimping terminal and the plug shell is burnt by fire when the internal contact of the plug is on fire, further avoids the risks of fire and electric shock caused by the plug on fire, and improves the safety of the plug.
Description
Technical field
The present invention relates to the technical field of plug, particularly relate to a kind of leakage protecting plug.
Background technology
Existing containing LCDI(Leakage Current detect circuit breaker) leakage protecting plug, generally do not have special for position near contact and crimp type terminal carry out fire prevention process.
Existing one is equipped with one block of fire-retardant fireproof plate containing LCDI plug on top, contact, can prevent from burning the housing wearing top, contact.Due to the difference of leakage protecting plug structure; only on top, contact, fire-retardant fireproof plate is housed; can not the fire protecting performance of general warranty plug; the both sides of contact or crimp type terminal lack flameproof protection; cause when contact is surprisingly on fire; fire may burn out from the housing of both sides, contact, and the fire protecting performance of plug exists major defect.
Summary of the invention
Based on this, be necessary the defect for prior art and deficiency, a kind of leakage protecting plug with greater security is provided.
For realizing the leakage protecting plug that the object of the invention provides, comprise housing, pin, circuit board, contact, crimp type terminal and fire resisting shield;
Described circuit board, described contact, described crimp type terminal and described fire resisting shield are arranged on the inside of described housing;
Described pin is connected with described contact or described crimp type terminal through the bottom of housing;
Described circuit board is arranged on the top of described enclosure interior;
Described contact is arranged on the bottom of described circuit board;
Described fire resisting shield is arranged between described contact and described housing.
Wherein in an embodiment, described leakage protecting plug, also comprises Leakage Current and detects circuit breaker, and described Leakage Current detects circuit breaker and connects described circuit board.
Wherein in an embodiment, described fire resisting shield is fire proofing.
Wherein in an embodiment, described fire resisting shield is micarex or epoxy glass fiber plate.
Wherein in an embodiment, described contact comprises left contact and right contact, described crimp type terminal comprises left crimp type terminal and right crimp type terminal, described left contact and described left crimp type terminal correspondence arrange and are arranged on the left side of described circuit board bottom, and described right contact and described right crimp type terminal correspondence arrange and be arranged on the right side of described circuit board bottom.
Wherein in an embodiment, described fire damper comprises first fire damper in the left side being separately positioned on described left contact and is arranged on second fire damper on right side of described right contact, lays respectively at left side and the right side of described enclosure interior.
Wherein in an embodiment, leakage protecting plug of the present invention also comprises the 3rd fire damper and the 4th fire damper at the top being separately positioned on described contact, lays respectively at the front portion of described enclosure interior.
Wherein in an embodiment, described circuit board is provided with discrete electronic device and SMD electronic device;
Described circuit board one side is provided with copper foil layer, and described SMD electronic device is arranged on described circuit board and is provided with in the one side of copper foil layer;
Described discrete electronic device is arranged on described circuit board and is provided with the relative another side of the one side of copper foil layer;
Described circuit board is provided with one of copper foil layer and faces up, and described circuit board is provided with the relative another side of the one side of copper foil layer down.
Wherein in an embodiment, the bottom of described housing is provided with holddown groove, and described fire resisting shield inserts described holddown groove, fixes on the housing.
Wherein in an embodiment, described fire resisting shield is fixed on the housing by viscose glue or screw mode.
Beneficial effect of the present invention: leakage protecting plug of the present invention can effectively reduce plug inside contact and crimp type terminal loose contact produce high temperature exothermic and inner on fire time; burn the risk of interspersed head housing; and then avoid the plug on fire and Danger Electric shock risk caused on fire, improve the fail safe of plug.
Accompanying drawing explanation
In order to make the object of leakage protecting plug of the present invention, technical scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, leakage protecting plug of the present invention is further elaborated.
Fig. 1 is the schematic diagram of an embodiment of leakage protecting plug of the present invention;
Fig. 2 is another schematic diagram of leakage protecting plug as shown in Figure 1;
Fig. 3 is the schematic diagram of another embodiment of leakage protecting plug of the present invention.
Embodiment
An embodiment of leakage protecting plug of the present invention, as shown in Figure 1 to Figure 3.
Leakage protecting plug of the present invention, comprises housing 100, pin 200, circuit board 300, contact 410, crimp type terminal 400 and fire resisting shield 500;
Described circuit board 300, described contact 410, described crimp type terminal 400 and described fire resisting shield 500 are arranged on the inside of described housing 100;
Described contact 410 and described crimp type terminal 400 correspondence are arranged;
Described pin 200 is connected with described contact 410 or crimp type terminal 400 through the bottom of housing 100;
Described circuit board 300 is arranged on the top of described housing 100 inside;
Described contact 410 is arranged on the bottom of described circuit board 300;
Described fire resisting shield 500 is arranged between described contact 410 and described housing 100.
Before not assembling fire resisting shield 500 of the present invention, contact 410 and the close together of housing 100, once unexpected high temperature or on fire appears in contact 410, then may burn described housing 100.
Preferably, as an embodiment, described leakage protecting plug, also comprises Leakage Current and detects circuit breaker (not shown), and described Leakage Current detects circuit breaker and connects described circuit board 300.
When pin is connected with crimp type terminal, contact is connected with power line.During energising, crimp type terminal and contact are energized, and when Leakage Current detection circuit breaker detection leakage of current value exceedes set point, control contact and are separated with crimp type terminal.
When pin is connected with contact, accordingly, crimp type terminal is connected with power line, when Leakage Current detection circuit breaker detection leakage of current value exceedes set point, controls contact and is separated with crimp type terminal.
Preferably, as an embodiment, described fire resisting shield 500 is fire proofing.
Preferably, as an embodiment, described fire resisting shield 500 is micarex.
Preferably, as an embodiment, described fire resisting shield 500 is epoxy glass fiber plate.
Preferably, as an embodiment, described fire resisting shield 500 is for covering Copper Foil epoxy glass fiber plate.
Preferably, as an embodiment, two described contacts 410 comprise left contact and right contact, described crimp type terminal 400 comprises left crimp type terminal and right crimp type terminal, described left contact and described left crimp type terminal correspondence arrange and are arranged on the left side of described circuit board 300 bottom, and described right contact and described right crimp type terminal correspondence arrange and be arranged on the right side of described circuit board 300 bottom.
Preferably, as an embodiment, described fire damper 500 comprises first fire damper in the left side being separately positioned on described left contact and is arranged on second fire damper on right side of described right contact, lays respectively at left side and the right side of described housing 100 inside.
The fire damping wall together with described fire resisting shield 500 is formed together with circuit board 300, contact 410 and crimp type terminal 400 protected.As shown in Figure 2.
Preferably, as an embodiment, leakage protecting plug of the present invention also comprises the 3rd fire damper and the 4th fire damper at the top being separately positioned on two described contacts 410, lays respectively at the front portion of described housing 100 inside.As shown in Figure 3.
Except as shown in Figure 2 fire resisting shield 500 is assemblied in the left and right side of housing 100 inside and except space between contact 410; due to top and housing 100 close together of contact 410; fire resisting shield 500 is equipped with, the three-dimensional fire damping wall together with anterior fire resisting shield 500 is formed together with left and right fire resisting shield 500 and circuit board 300, contact 410 or crimp type terminal 400 protected between the front portion and contact 410 of housing 100 inside.
Due to the bottom (power line line outlet direction) of contact 410 and the distant of housing 100, fire not easily burns out, does not need to assemble fire resisting shield 500 bottom contact 410.
Fig. 1, Fig. 2 and Fig. 3, the housing 100 of part is only shown, housing 100 the first half is not shown.
Preferably, as an embodiment, described circuit board 300 is provided with discrete electronic device and SMD electronic device;
Described circuit board 300 one side is provided with copper foil layer, and described SMD electronic device is arranged on described circuit board 300 and is provided with in the one side of copper foil layer;
Described discrete electronic device is arranged on the relative another side of one side that described circuit board 300 is provided with copper foil layer;
Described circuit board 300 is provided with one of copper foil layer and faces up, and the relative another side of the one side that described circuit board 300 is provided with copper foil layer down.
Because circuit board 300 is arranged on the top of described contact 410 and crimp type terminal 400, circuit board one side down and foregoing flameproof baffle plate are formed and form stereoscopic protective wall to described contact 410 and crimp type terminal 400, and effectively the described contact 410 of minimizing and crimp type terminal 400 generate heat and burn the risk of upper shell.
Preferably, as an embodiment, the bottom of described housing 100 is provided with the jack matched with described pin 200.
Preferably, as an embodiment, the bottom of described housing 100 is provided with holddown groove, and described fire resisting shield 500 inserts described holddown groove, is fixed on described housing 100.
Preferably, as an embodiment, described fire resisting shield 500 is fixed on described housing 100 by viscose glue or screw mode.
Preferably, as an embodiment, fire resisting shield 500 can be strip, also can be adjusted to required form according to surrounding structure.
Leakage protecting plug of the present invention can prevent plug inside contact 410, loose contact position produces high temperature exothermic and inner on fire time, burn interspersed head housing 100, and then avoid the plug on fire and Danger Electric shock risk caused on fire, improve the fail safe of plug.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a leakage protecting plug, is characterized in that, comprises housing, pin, circuit board, contact, crimp type terminal and fire resisting shield;
Described circuit board, described contact, described crimp type terminal and described fire resisting shield are arranged on the inside of described housing;
Described contact and described crimp type terminal correspondence are arranged;
Described pin is connected with described contact or crimp type terminal through the bottom of housing;
Described circuit board is arranged on the top of described enclosure interior;
Described contact is arranged on the bottom of described circuit board;
Described fire resisting shield is arranged between described contact and described housing;
The fire damping wall together with described fire resisting shield is formed with described circuit board, described contact and described crimp type terminal protected.
2. leakage protecting plug according to claim 1, is characterized in that, also comprises Leakage Current and detects circuit breaker, and described Leakage Current detects circuit breaker and connects described circuit board.
3. leakage protecting plug according to claim 1, is characterized in that, described fire resisting shield is fire proofing.
4. leakage protecting plug according to claim 3, is characterized in that, described fire resisting shield is micarex or epoxy glass fiber plate.
5. leakage protecting plug according to claim 1; it is characterized in that; described contact comprises left contact and right contact; described crimp type terminal comprises left crimp type terminal and right crimp type terminal; described left contact and described left crimp type terminal correspondence arrange and are arranged on the left side of described circuit board bottom, and described right contact and described right crimp type terminal correspondence arrange and be arranged on the right side of described circuit board bottom.
6. leakage protecting plug according to claim 5; it is characterized in that; described fire damper comprises first fire damper in the left side being separately positioned on described left contact and is arranged on second fire damper on right side of described right contact, lays respectively at left side and the right side of described enclosure interior.
7. leakage protecting plug according to claim 6, is characterized in that, also comprises the 3rd fire damper and the 4th fire damper at the top being separately positioned on two described contacts, lays respectively at the front portion of described enclosure interior.
8. the leakage protecting plug according to any one of claim 1 to 7, is characterized in that, described circuit board is provided with discrete electronic device and SMD electronic device;
Described circuit board one side is provided with copper foil layer, and described SMD electronic device is arranged on described circuit board and is provided with in the one side of copper foil layer;
Described discrete electronic device is arranged on described circuit board and is provided with the relative another side of the one side of copper foil layer;
Described circuit board is provided with one of copper foil layer and faces up, and described circuit board is provided with the relative another side of the one side of copper foil layer down.
9. the leakage protecting plug according to claim 6 or 7, is characterized in that, the bottom of described housing is provided with holddown groove, and described fire resisting shield inserts described holddown groove, fixes on the housing.
10. the leakage protecting plug according to claim 6 or 7, is characterized in that, described fire resisting shield is fixed on the housing by viscose glue or screw mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364098.XA CN103682800B (en) | 2012-09-26 | 2012-09-26 | Leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364098.XA CN103682800B (en) | 2012-09-26 | 2012-09-26 | Leakage protection plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682800A CN103682800A (en) | 2014-03-26 |
| CN103682800B true CN103682800B (en) | 2016-04-13 |
Family
ID=50319534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210364098.XA Active CN103682800B (en) | 2012-09-26 | 2012-09-26 | Leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097368A (en) * | 2014-05-09 | 2015-11-25 | 苏州益而益电器制造有限公司 | Fireproof separating board and plug-type circuit breaker including the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971733A (en) * | 1998-05-13 | 1999-10-26 | Huang; Chyong-Yen | Flat plug molding device |
| CN1449593A (en) * | 2000-08-25 | 2003-10-15 | 3M创新有限公司 | Fire stopping cover plate for fire stopping electrical outlets and switches |
| CN1705425A (en) * | 2004-05-28 | 2005-12-07 | Tcl王牌电子(深圳)有限公司 | Quick jointable printed circuit board and making method thereof |
| CN200950504Y (en) * | 2006-09-20 | 2007-09-19 | 上海益而益电器制造有限公司 | Electric power plug having earth leakage protective function |
| CN201975639U (en) * | 2010-12-05 | 2011-09-14 | 中山市开普电器有限公司 | Novel leakage protection plug |
| CN202797457U (en) * | 2012-09-26 | 2013-03-13 | 珠海格力电器股份有限公司 | Leakage protection plug |
-
2012
- 2012-09-26 CN CN201210364098.XA patent/CN103682800B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971733A (en) * | 1998-05-13 | 1999-10-26 | Huang; Chyong-Yen | Flat plug molding device |
| CN1449593A (en) * | 2000-08-25 | 2003-10-15 | 3M创新有限公司 | Fire stopping cover plate for fire stopping electrical outlets and switches |
| CN1705425A (en) * | 2004-05-28 | 2005-12-07 | Tcl王牌电子(深圳)有限公司 | Quick jointable printed circuit board and making method thereof |
| CN200950504Y (en) * | 2006-09-20 | 2007-09-19 | 上海益而益电器制造有限公司 | Electric power plug having earth leakage protective function |
| CN201975639U (en) * | 2010-12-05 | 2011-09-14 | 中山市开普电器有限公司 | Novel leakage protection plug |
| CN202797457U (en) * | 2012-09-26 | 2013-03-13 | 珠海格力电器股份有限公司 | Leakage protection plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682800A (en) | 2014-03-26 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |