CN204103159U - Leakage protecting plug - Google Patents
Leakage protecting plug Download PDFInfo
- Publication number
- CN204103159U CN204103159U CN201420389907.7U CN201420389907U CN204103159U CN 204103159 U CN204103159 U CN 204103159U CN 201420389907 U CN201420389907 U CN 201420389907U CN 204103159 U CN204103159 U CN 204103159U
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- China
- Prior art keywords
- metals
- inserted sheet
- pull bar
- arguing
- upper casing
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of leakage protecting plug, comprise the drain pan and upper casing that are interlocked and connect, both positive and negative polarity five metals inserted sheet for connecting power supply stretches out from described drain pan, each formation contact head after the medial extremity bending of five metals inserted sheet, two electroconductive elastic sheets of arranging corresponding to described five metals inserted sheet; In described upper casing, be provided with PCB, circuit board is provided with IC chip; The piezo-resistance be connected with IC chip, electric capacity, resistance, electricity leakage sensor, suction electrical equipment, be also provided with in upper casing between described five metals inserted sheet and shell fragment, and by the power cutoff mechanism of described IC chip controls; The shell fragment and five metals inserted sheet that are in connected state, by responding to leakage current, can disconnect by the utility model completely, thus the electric shock of the protection person and some disasters because of the initiation of electric leakage electrical equipment.
Description
Technical field
The utility model relates to plug, is specifically related to a kind of plug with creepage protection function.
Background technology
In the prior art, plug generally only has the simple function switched on power, although there are some to have the plug of creepage protection function, its complex structure, reaction sensitivity is not high yet.
Utility model content
The purpose of this utility model is: for the above-mentioned defect of prior art, and provide a kind of structure simple, protection has reliably
the plug of creepage protection function.
there is provideda kind of plug with creepage protection function, comprise the drain pan and upper casing that are interlocked and connect, both positive and negative polarity five metals inserted sheet for connecting power supply stretches out from described drain pan, each formation contact head after the medial extremity bending of five metals inserted sheet, in described upper casing, be provided with PCB, circuit board is provided with IC chip, the piezo-resistance be connected with IC chip, electric capacity, resistance, electricity leakage sensor, suction electrical equipment, also comprise and described five metals inserted sheet contact two corresponding shell fragments, the front end of two shell fragments is bending, which is provided with the contact contacted with described five metals inserted sheet contact head, the other end of shell fragment is connected with the power line of drawing outside plug by wire, also be provided with in described upper casing and dynamic five metals pull bar can be inhaled by described suction electrical equipment, the front end sleeve of five metals pull bar is provided with back-moving spring, the other end of five metals pull bar is connected with the second pull bar, one end of second pull bar is provided with semicircle card column, the other end is provided with two grabs separated altogether, the outside of grab is inclined plane, second pull bar above two five metals inserted sheets between, on described second pull bar, have one argue for the sake of arguing, the centre of arguing for the sake of arguing is provided with the semi-circular groove matched with described semicircle card column, the two ends of arguing for the sake of arguing are the sphenocephalies that described five metals inserted sheet contact head and the shell fragment contact contacted with it can be disconnected, also comprise a push rod be arranged on above described second pull bar, the both sides of described push rod be respectively provided with one with the bayonet lock of described grab phase clasp joint, side in bayonet lock is the ramp structure corresponding with grab inclined plane, one end of described push rod be arranged with one press described in argue for the sake of arguing movement press spring, the other end pressing spring is resisted against on drain pan, the other end of described push rod is plugged in described PCB.
The utility model tool has the following advantages: when plug normally uses, and the contact of five metals inserted sheet contact head and two shell fragments is in the conducting state that contacts, and electrical equipment obtains power supply by the out-put supply line of plug, when there is electric leakage accident, the induction coil of electricity leakage sensor can sense leakage current, the maximum induction leakage current that leakage protecting plug designs can be designed to 6mA, when there is electric leakage in electrical equipment or human body occurs to get an electric shock, when earth leakage protective device induced current is greater than 6mA, earth leakage protective device works, IC chip is given to by the induction coil work outgoing signal of electricity leakage sensor, provide operating current by IC chip and produce action to inhaling electrical equipment, pick up five metals pull bar, the second pull bar is pulled by five metals pull bar, when the second pull bar generation action, spring is upspring and drives push rod action, the contact of five metals inserted sheet contact head and two shell fragments is disconnected rapidly, argue for the sake of arguing and move down and shell fragment and five metals inserted sheet are separated completely, power supply is disconnected, thus the protection person gets an electric shock and because of some disasters of causing of electric leakage electrical equipment.This small product size is little, Anti-stiff polar mode, product flexibility ratio is large, most importantly have and leak protection personal safety function, product can be used for the U.S. and north America region hair drier cylinder, heater of hair straightener, curling iron, electric scissors, dust catcher, electric heater, electric cooker, television set, refrigerator, microwave oven, washing machine, dishwasher, disinfection cabinet, water dispenser, computer, electric tool, Deng on electric equipment, this product play electric apparatus of electric leakage protection equipment and use the personal safety of electric equipment people from colony it also avoid simultaneously because of electric leakage there is a series of disaster, input voltage range: 125/250V electric current: 3-15A.
Accompanying drawing explanation
Fig. 1 is that the utility model has
the plug of creepage protection functionconstruction profile figure.
Fig. 2 has shown in Fig. 1
the plug decomposition texture of creepage protection function, and the stereogram when mechanism in plug is in earth leakage protective state.
fig. 3 ishave shown in Fig. 2
the plug upper casing front view of creepage protection function.
fig. 4 is circuit theory diagrams.
Embodiment
with reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4: designa kind of plug with creepage protection function, comprise the drain pan 22 and upper casing 21 that are interlocked and connect, both positive and negative polarity five metals inserted sheet 39,40 for connecting power supply stretches out from described drain pan 22, each formation contact head after the medial extremity bending of five metals inserted sheet 39,40, in described upper casing 21, be provided with PCB 1, circuit board 1 is provided with IC chip, the piezo-resistance be connected with IC chip, electric capacity, resistance, electricity leakage sensor 17, inhale electrical equipment 16, also be provided with and described five metals inserted sheet contact corresponding two shell fragments 36,37, the front end of two shell fragments 36,37 is bending, which is provided with the contact contacted with described five metals inserted sheet contact head, the other end of shell fragment is connected with the power line of drawing outside plug by wire, also be provided with in described upper casing 21 and the five metals pull bar 33 can inhaled by described suction electrical equipment 16, the front end sleeve of five metals pull bar 33 is provided with back-moving spring 31, the other end of five metals pull bar 33 is connected with the second pull bar 24, one end of second pull bar 24 is provided with semicircle card column, the other end is provided with two grabs separated altogether, the outside of grab is inclined plane, second pull bar 24 is positioned at two five metals inserted sheets 39, between above in the of 40, on described second pull bar 24, have one argue for the sake of arguing 25, argue for the sake of arguing 25 centre be provided with the semi-circular groove matched with described semicircle card column, argue for the sake of arguing 25 two ends are the sphenocephalies that described five metals inserted sheet contact head and the shell fragment contact contacted with it can be disconnected, also be provided with a push rod 23 be arranged on above described second pull bar 24, the both sides of described push rod 23 be respectively provided with one with the bayonet lock of described grab phase clasp joint, side in bayonet lock is the ramp structure corresponding with grab inclined plane, one end of described push rod 23 be arranged with one press described in argue for the sake of arguing movement press spring 32, the other end pressing spring 32 is resisted against on drain pan 22, the other end of described push rod 23 is plugged in the hole 101 of described PCB 1.
Have in the plug of creepage protection function above-mentioned, described upper casing 21 is provided with the reset button facing to described push rod 23, below reset button, is provided with testing button, in testing button, be provided with the U-shaped wiring for conducting and return spring.
When plug normally uses, the contact head of five metals inserted sheet 39,40 and the contact of two shell fragments 36,37 are in the conducting state that contacts, and electrical equipment obtains power supply by the out-put supply line of plug, when there is electric leakage accident, the induction coil of electricity leakage sensor 17 can sense leakage current, the maximum induction leakage current that leakage protecting plug designs can be designed to 6mA, when electrical equipment generation electric leakage or human body get an electric shock, when induced current is greater than 6mA, earth leakage protective device works, IC chip is given to by the induction coil work outgoing signal of electricity leakage sensor 17, provide operating current by IC chip and produce action to inhaling electrical equipment 16, pick up five metals pull bar 33, the second pull bar 24 is pulled by five metals pull bar 33, when there is action in the second pull bar 24, spring 32 is upspring and drives push rod 23 action, make five metals inserted sheet 39, 40 contact heads and two shell fragments 36, the contact of 37 disconnects rapidly, argue for the sake of arguing and 25 move down shell fragment 36, 37 with five metals inserted sheet 39, 40 separate completely, power supply disconnects.After leak current fault is discharged, press reset button, make push rod 23 and the action mutually of the second pull bar 24; Argue for the sake of arguing and 25 to move away, two shell fragments 36,37 rely on its elasticity again to contact with the contact head of five metals inserted sheet 39,40 conducting.
Claims (2)
1. a leakage protecting plug, comprise the drain pan and upper casing that are interlocked and connect, both positive and negative polarity five metals inserted sheet for connecting power supply stretches out from described drain pan, each formation contact head after the medial extremity bending of five metals inserted sheet, it is characterized in that: in described upper casing, be provided with PCB, circuit board is provided with IC chip, the piezo-resistance be connected with IC chip, electric capacity, resistance, electricity leakage sensor, suction electrical equipment, also comprise and described five metals inserted sheet contact two corresponding shell fragments, the front end of two shell fragments is bending, which is provided with the contact contacted with described five metals inserted sheet contact head, the other end of shell fragment is connected with the power line of drawing outside plug by wire, also be provided with in described upper casing and dynamic five metals pull bar can be inhaled by described suction electrical equipment, the front end sleeve of five metals pull bar is provided with back-moving spring, the other end of five metals pull bar is connected with the second pull bar, one end of second pull bar is provided with semicircle card column, the other end is provided with two grabs separated altogether, the outside of grab is inclined plane, second pull bar above two five metals inserted sheets between, on described second pull bar, have one argue for the sake of arguing, the centre of arguing for the sake of arguing is provided with the semi-circular groove matched with described semicircle card column, the two ends of arguing for the sake of arguing are the sphenocephalies that described five metals inserted sheet contact head and the shell fragment contact contacted with it can be disconnected, also comprise a push rod be arranged on above described second pull bar, the both sides of described push rod be respectively provided with one with the bayonet lock of described grab phase clasp joint, side in bayonet lock is the ramp structure corresponding with grab inclined plane, one end of described push rod be arranged with one press described in argue for the sake of arguing movement press spring, the other end pressing spring is resisted against on drain pan, the other end of described push rod is plugged in described PCB.
2. leakage protecting plug according to claim 1, is characterized in that, described upper casing is provided with the reset button facing to described push rod, below reset button, is provided with testing button, is provided with the U-shaped wiring for conducting and return spring in testing button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389907.7U CN204103159U (en) | 2014-07-15 | 2014-07-15 | Leakage protecting plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389907.7U CN204103159U (en) | 2014-07-15 | 2014-07-15 | Leakage protecting plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103159U true CN204103159U (en) | 2015-01-14 |
Family
ID=52271561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389907.7U Withdrawn - After Issue CN204103159U (en) | 2014-07-15 | 2014-07-15 | Leakage protecting plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143736A (en) * | 2014-07-15 | 2014-11-12 | 东莞市永晟电线有限公司 | Electric leakage protection plug |
-
2014
- 2014-07-15 CN CN201420389907.7U patent/CN204103159U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143736A (en) * | 2014-07-15 | 2014-11-12 | 东莞市永晟电线有限公司 | Electric leakage protection plug |
| CN104143736B (en) * | 2014-07-15 | 2017-05-24 | 东莞市永晟电线科技股份有限公司 | Electric leakage protection plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGGUAN YONGSHENG ELECTRIC WIRE CO., LTD. Free format text: FORMER NAME: DONGGUAN YONGSHENG ELECTRIC WIRE LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523000, No. three, Lane 1, Heng Road, compound road, Dongguan, Dalang, Guangdong Patentee after: DONGGUAN YONGSHENG WIRE TECHNOLOGY CO., LTD. Address before: 523000, No. three, Lane 1, Heng Road, compound road, Dongguan, Dalang, Guangdong Patentee before: DONGGUAN YONGSHENG CABLES CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20170524 |