CN106654736A - Leakage protection plug - Google Patents

Leakage protection plug Download PDF

Info

Publication number
CN106654736A
CN106654736A CN201610898233.7A CN201610898233A CN106654736A CN 106654736 A CN106654736 A CN 106654736A CN 201610898233 A CN201610898233 A CN 201610898233A CN 106654736 A CN106654736 A CN 106654736A
Authority
CN
China
Prior art keywords
lock
cross
arm
shell
spring
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
Application number
CN201610898233.7A
Other languages
Chinese (zh)
Other versions
CN106654736B (en
Inventor
曾昭立
郭兰旺
黄远媚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan RiFeng Intelligent Electric Co.,Ltd.
Original Assignee
ZHONGSHAN TO-HEAD ELECTRICAL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHONGSHAN TO-HEAD ELECTRICAL Co Ltd filed Critical ZHONGSHAN TO-HEAD ELECTRICAL Co Ltd
Priority to CN201610898233.7A priority Critical patent/CN106654736B/en
Publication of CN106654736A publication Critical patent/CN106654736A/en
Application granted granted Critical
Publication of CN106654736B publication Critical patent/CN106654736B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • 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
    • H01R13/7036—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 the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
    • H01R13/7037—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 the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling making use of a magnetically operated switch
    • 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
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to a leakage protection plug. The leakage protection plug comprises a casing, wherein one side surface of the casing is provided with a reset button exposed out of a casing surface, the other side surface of the casing is provided with a power supply live-wire pin and a neutral-wire pin exposed out of the casing surface, the casing is internally provided with a circuit board electrically connected with the power supply live-wire pin and the neutral-wire pin, the circuit board is provided with a leakage protection circuit used for detecting a cable leakage fault outputted by a power supply, the circuit board is provided with a static contact point electrically connected with the power supply live-wire pin and the neutral-wire pin, a lower portion of the static contact point is provided with a moving contact point capable of realizing connection with or disconnection with the static contact point, the moving contact point is electrically connected with a power supply output wire, and the casing is internally provided with a tripping device used for controlling connection or disconnection of the static contact point and the moving contact point. The leakage protection plug is advantaged in that circuit faults can be detected through ZCT(N-E), and an instruction is emitted to disconnect the power supply to realize circuit protection.

Description

A kind of leakage protecting plug
【Technical field】
The present invention relates to a kind of leakage protecting plug.
【Background technology】
The disadvantage of electric leakage structure currently on the market is most dangerous to be exactly：After earth leakage protective device resets, because of some originals Because power end zero line loop disconnects, and what live wire was to turn on, if electric shock accidents occurs, this when, currently on the market Earth leakage protective device will not disconnect and play a protective role.
Earth leakage protective device currently on the market, if output end zero line is connected with ground wire, earth leakage protective is to disconnect 's.
Waterproof construction stress point currently on the market and main stress face be not in approximately the same plane, and easy leak, effect is bad, It is difficult to accomplish classification of waterproof IPX5.
Due to there are the problems referred to above, it is necessary to propose solution to it, the present invention exactly makes in this context 's.
【The content of the invention】
The technical problem to be solved is for above-mentioned deficiency of the prior art, there is provided a kind of earth leakage protective Plug, in the event of electric leakage accident, leakage protecting plug is irreducible, that is, circuit will not connect, and power supply is defeated Go out end dangerous to occur, until failture evacuation, earth leakage protective device currently on the market, if output end zero line and ground wire It is connected, earth leakage protective will not disconnect；This electric leakage prevention plug circuit is also effectively solved for such danger, such as Fruit output end zero line is connected with ground wire, and this electric leakage prevention plug circuit can detect failure by ZCT (N-E), send instruction, Deenergization, protects to circuit.
For achieving the above object, following technical proposals be present invention employs：
A kind of leakage protecting plug, includes shell 1, is provided with the one side of the shell 1 and exposes to the table of the shell 1 The SR 11 in face, is provided with the He of power firestreak pin 12 for exposing to the surface of the shell 1 on the another side of the shell 1 Neutral conductor pin 13, is provided with the circuit electrically connected with the power firestreak pin 12 and neutral conductor pin 13 in the shell 1 Plate 2, is provided with the leakage protection circuit for detecting the cable leakage failure that power supply is exported, in the electricity on the circuit board 2 Road plate 2 is provided with the stationary contact 3 electrically connected with the power firestreak pin 12 and neutral conductor pin 13, under the stationary contact 3 Side is provided with the movable contact 4 that can be connected or disconnected with the stationary contact 3, and on the movable contact 4 power supply output line is electrically connected with 5, it is provided with for controlling the trip gear that the stationary contact 3 is connected or disconnected with the movable contact 4 in described being provided with shell 1 6。
As mentioned above trip gear 6 includes the fixed seat 61 being located on the shell 1, is located in the fixed seat 61 and drives The cross-arm 62 of the action of the movable contact 4, the lock 63 being hinged in the fixed seat 61, be located at the SR 11 with it is described Back-moving spring 64 between cross-arm 62, is provided with draw-in groove 621 on the cross-arm 62, and in the draw-in groove 621 cross-arm spring is provided with 65, it is located at the electromagnet 66 that the lower section of the cross-arm 62 electrically connects with the circuit board 2, the armature being located in the electromagnet 66 67, the armature spring 68 being located between the electromagnet 66 and the armature 67 is located at the lock 63 and the fixed seat 61 Between latch spring 69, the elastic force of the cross-arm spring 65 more than the armature spring 68 elastic force, the latch spring 69 Elastic force less than the armature spring 68 elastic force.
Top pressure 622 is provided with cross-arm as described above 62, being provided with the lock 63 can squeeze in the top pressure 622 The lower lock shifting block 631 that the lock 63 is rotated of pressure effect, is provided with cross-arm shifting block 623, described on the cross-arm 62 Lock 63 is provided with the lock screens 632 that can block the cross-arm shifting block 623.
The smooth convex surface 6231 of arc is provided with cross-arm shifting block 623 as described above, it is described lock 63 on be provided with it is described The arc smooth concave surface 633 that the smooth convex surface 6231 of arc coordinates, the cross-arm shifting block 623 can be along the arc smooth concave surface 633 Slide.
As mentioned above shell 1 includes upper shell 101 and lower house 102, between the upper shell 101 and lower house 102 Waterproof grommet 103 is provided with, the waterproof grommet 103 includes sealing ring body 1031 and is located at described including on sealing ring body Main stress portion 1032, the main stress portion 1032 is with the sealing ring body 1031 at grade.
As mentioned above lock 63 is L-type.
In power firestreak pin 12 as described above, pinouts 301 are provided between neutral conductor pin 13 and the stationary contact 3 With static connection piece 302.
Dynamic connection sheet 401 is provided between movable contact as described above 4 and the power supply output line 5.
Lock fulcrum 634 is provided with lock 63 as mentioned above, the lock 63 can be rotated around the lock fulcrum 634.
The testing button 7 for exposing to the surface of the shell 1 is provided with the one side of shell as described above 1.
The invention has the beneficial effects as follows：
1st, the leakage protecting plug among the present invention controls electromagnet using state-of-the-art integrated circuit, and circuit is extremely simple Change, economize on resources, and within making turn-off time less than 20 milliseconds, 1 times is improve for 40 milliseconds than existing national standard standard, Greatly improve safety in utilization.
2nd, the disadvantage of electric leakage structure currently on the market is most dangerous is exactly：After earth leakage protective device resets, because of some Reason power end zero line loop disconnects, and what live wire was to turn on, if electric shock accidents occurs, this when, currently on the market Earth leakage protective device will not disconnect and playing a protective role, this patent is effectively solved for this kind of danger, if on Situation generation is stated, this patent structure is irreducible, that is, circuit will not connect, and power output end there would not be danger Danger occurs, until failture evacuation.
3rd, earth leakage protective device currently on the market, if output end zero line is connected with ground wire, earth leakage protective is to break Open；This patent circuit is also effectively solved for such danger, if output end zero line is connected with ground wire, this patent Circuit can detect failure by ZCT (N-E), send instruction, and deenergization is protected to circuit.
4th, among the present invention it is completely different on leakage protecting plug waterproof construction and existing market, currently on the market Waterproof construction stress point and main stress face be not in approximately the same plane, and easy leak, effect is bad, it is difficult to accomplish classification of waterproof IPX5, in same plane, waterproof effect is very easy to accomplish IPX6 leakage protecting plug this structure among the present invention, and simplifies Structure.
【Description of the drawings】
Fig. 1 is the three-dimensional view of the present invention.
Fig. 2 be SR of the present invention do not press, the generalized section of original state.
Fig. 3 be SR of the present invention press, the generalized section of unpowered state.
Fig. 4 be SR of the present invention press, the generalized section of "on" position.
Fig. 5 is the generalized section that leakage condition was pressed, occurred to SR of the present invention.
Fig. 6 is that SR of the present invention is upspring, power-off returns to the generalized section of original state.
Fig. 7 is the part isometric view of internal structure of the present invention.
Fig. 8 is generalized section of the trip gear of the present invention under earth leakage protective state.
Fig. 9 is the three-dimensional view of waterproof grommet of the present invention.
【Specific embodiment】
Below in conjunction with the accompanying drawings further detailed description is done to the present invention.
As shown in Figures 1 to 9, a kind of leakage protecting plug, it is characterised in that：Shell 1 is included, in the shell 1 one Side is provided with the SR 11 for exposing to the surface of the shell 1, is provided with the another side of the shell 1 described in exposing to The power firestreak pin 12 and neutral conductor pin 13 on the surface of shell 1, is provided with and the power firestreak pin 12 in the shell 1 With the circuit board 2 of the electrical connection of neutral conductor pin 13, it is provided with the circuit board 2 for detecting the cable leakage event that power supply is exported The leakage protection circuit of barrier, is provided with the circuit board 2 and is electrically connected with the power firestreak pin 12 and neutral conductor pin 13 Stationary contact 3, the movable contact 4 that can be connected or disconnected with the stationary contact 3 is provided with below the stationary contact 3, described dynamic Power supply output line 5 is electrically connected with contact 4, is provided with dynamic tactile with described for controlling the stationary contact 3 in described being provided with shell 1 The trip gear 6 that point 4 is connected or disconnected, the leakage protecting plug among the present invention is controlled using state-of-the-art integrated circuit Electromagnet, circuit extremely simplifies, and economizes on resources, and within making turn-off time less than 20 milliseconds, than existing national standard standard 1 times is improve for 40 milliseconds, safety in utilization is greatly improved.
As shown in Figures 1 to 9, in the present embodiment, the trip gear 6 includes the fixed seat being located on the shell 1 61, it is located in the fixed seat 61 and drives the cross-arm 62 of the movable contact 4 action, the lock being hinged in the fixed seat 61 63, the back-moving spring 64 being located between the SR 11 and the cross-arm 62 is provided with draw-in groove 621 on the cross-arm 62, Cross-arm spring 65 is provided with the draw-in groove 621, the electromagnet that the lower section of the cross-arm 62 electrically connects with the circuit board 2 is located at 66, the armature 67 being located in the electromagnet 66, the armature spring 68 being located between the electromagnet 66 and the armature 67, if Latch spring 69 between the lock 63 and the fixed seat 61, the elastic force of the cross-arm spring 65 is more than the armature bullet The elastic force of spring 68, the elastic force of the latch spring 69 less than the armature spring 68 elastic force, electric leakage structure currently on the market Disadvantage most dangerous be exactly：After earth leakage protective device resets, because some reason power end zero line loops disconnect, and live wire is Connect, if electric shock accidents occurs, this when, earth leakage protective device currently on the market is will not to disconnect playing protection work , this patent effectively solved for this kind of danger, if above-mentioned situation occurs, this patent structure is to reset , that is, circuit will not connect, and power output end dangerous would not occur, until failture evacuation, currently on the market Earth leakage protective device, if output end zero line is connected with ground wire, earth leakage protective will not disconnect；This patent circuit is directed to this Class danger is also effectively solved, if output end zero line is connected with ground wire, this patent circuit can be examined by ZCT (N-E) Failure is measured, instruction is sent, deenergization is protected to circuit.
As shown in Figures 1 to 9, in the present embodiment, top pressure 622 is provided with the cross-arm 62, in the lock 63 The lock shifting block 631 that the lock 63 can be caused to rotate under the squeezing action of the top pressure 622 is provided with, in the cross-arm 62 Cross-arm shifting block 623 is provided with, the lock screens 632 that can block the cross-arm shifting block 623 is provided with the lock 63, design is skilful It is wonderful, facilitate the force between cross-arm 62 and lock 63 to interact.
As shown in Figures 1 to 9, in the present embodiment, the smooth convex surface 6231 of arc is provided with the cross-arm shifting block 623, The arc smooth concave surface 633 coordinated with the smooth convex surface 6231 of the arc, the cross-arm shifting block 623 are provided with the lock 63 Can slide along the arc smooth concave surface 633, the button between cross-arm shifting block 623 and lock 63 is easy in the design of arc smooth surface Close and open, design ingenious, it is flexibly practical.
As shown in Figures 1 to 9, in the present embodiment, the shell 1 includes upper shell 101 and lower house 102, described Waterproof grommet 103 is provided between upper shell 101 and lower house 102, the waterproof grommet 103 includes sealing ring body 1031 Be located at it is described include main stress portion 1032 on sealing ring body, the main stress portion 1032 is with the sealing ring body 1031 same It is completely different on the leakage protecting plug waterproof construction and existing market among the present invention in one plane, currently on the market Waterproof construction stress point and main stress face be not in approximately the same plane, and easy leak, effect is bad, it is difficult to accomplish classification of waterproof IPX5, in same plane, waterproof effect is very easy to accomplish IPX6 leakage protecting plug this structure among the present invention, and simplifies Structure.
As shown in Figures 1 to 9, in the present embodiment, the lock 63 is L-type.
As shown in Figures 1 to 9, in the present embodiment, in the power firestreak pin 12, neutral conductor pin 13 and described quiet Pinouts 301 and static connection piece 302 are provided between contact 3.
As shown in Figures 1 to 9, in the present embodiment, it is provided with dynamic between the movable contact 4 and the power supply output line 5 Connection sheet 401.
As shown in Figures 1 to 9, in the present embodiment, lock fulcrum 634, the lock 63 are provided with the lock 63 Can rotate around the lock fulcrum 634.
As shown in Figures 1 to 9, in the present embodiment, it is provided with the one side of the shell 1 and exposes to the table of the shell 1 The testing button 7 in face.
As shown in Fig. 2 in the present embodiment, original state, movable contact and stationary contact disconnect, feelings of the SR without external force Under condition, in the presence of cross-arm spring force, cross-arm withstands lock, and lock pushes down armature, makes armature touch electromagnet.Condition：It is horizontal , more than the dynamics of armature spring, latch spring dynamics is less than armature spring dynamics for the dynamics of load spring.
As shown in figure 3, in the present embodiment, SR down, separates cross-arm and lock, lock in the case of external force Button can be rotated freely around fulcrum；If now electromagnet does not have magnetic force, armature spring withstands armature and lock, and compresses lock Spring, cross-arm and lock can not be hooked, and discharge external force, and cross-arm returns to original state, dynamic and static contact in the presence of back-moving spring Separation will not be closed, non-transformer output.
As shown in figure 4, in the present embodiment, SR down, separates cross-arm and lock, lock in the case of external force Button can be rotated freely around fulcrum；If now input has power supply, electromagnet has magnetic force, armature and electromagnetic actuation, latches in It is close to cross-arm in the presence of latch spring power, when cross-arm under the effect of SR external force when being moved at lock button bit, lock In the presence of latch spring power, cross-arm is clasped, discharge external force, under cross-arm spring effect, heading on cross-arm closes dynamic and static contact Close, switch on power.
As shown in figure 5, in the present embodiment, if leak current fault occurs or input power power-off, lose electromagnet Magnetic force, armature in the presence of armature spring power, with latching thread off by impact lock, cross-arm, in the presence of cross-arm spring, cross-arm Separate with movable contact and stationary contact, cut off the electricity supply.
As shown in fig. 6, in the present embodiment, after cross-arm is threaded off, and under the elastic force of movable contact spring, return pin and cross-arm spring Initial position is returned to, SR also returns to initial position.

Claims (10)

1. a kind of leakage protecting plug, it is characterised in that：Shell (1) is included, is provided with the shell (1) one side and is exposed In the SR (11) on the shell (1) surface, it is provided with the shell (1) another side and exposes to the shell (1) The power firestreak pin (12) and neutral conductor pin (13) on surface, is provided with and the power firestreak pin in the shell (1) (12) and neutral conductor pin (13) electrical connection circuit board (2), be provided with the circuit board (2) for detect power supply export The leakage protection circuit of cable leakage failure, is provided with and the power firestreak pin (12) and neutrality on the circuit board (2) Line pin (13) electrical connection stationary contact (3), the stationary contact (3) lower section be provided with can with the stationary contact (3) connect or The movable contact (4) of disconnection, is electrically connected with power supply output line (5) on the movable contact (4), sets in described being provided with shell (1) Have for controlling the trip gear (6) that the stationary contact (3) is connected or disconnected with the movable contact (4).
2. leakage protecting plug according to claim 1, it is characterised in that：The trip gear (6) is described including being located at Fixed seat (61) on shell (1), is located in the fixed seat (61) and drives the cross-arm (62) of the movable contact (4) action, hinge The lock (63) being connected in the fixed seat (61), the reset bullet being located between the SR (11) and the cross-arm (62) Spring (64), is provided with draw-in groove (621) on the cross-arm (62), and in the draw-in groove (621) cross-arm spring (65) is provided with, and is located at institute State the electromagnet (66) that cross-arm (62) lower section electrically connects with the circuit board (2), the armature being located in the electromagnet (66) (67) armature spring (68), being located between the electromagnet (66) and the armature (67), is located at the lock (63) and institute The latch spring (69) between fixed seat (61) is stated, the elastic force of the cross-arm spring (65) is more than the bullet of the armature spring (68) Power, the elastic force of the latch spring (69) is less than the elastic force of the armature spring (68).
3. leakage protecting plug according to claim 1 and 2, it is characterised in that：Top pressure is provided with the cross-arm (62) Head (622), being provided with the lock (63) can cause the lock (63) to rotate under top pressure head (622) squeezing action Lock shifting block (631), cross-arm shifting block (623) is provided with the cross-arm (62), being provided with the lock (63) to block The lock screens (632) of the cross-arm shifting block (623).
4. leakage protecting plug according to claim 3, it is characterised in that：Arc is provided with the cross-arm shifting block (623) The smooth convex surface of shape (6231), is provided with smooth recessed with the arc that the smooth convex surface of the arc (6231) coordinates on the lock (63) Face (633), the cross-arm shifting block (623) can be slided along the arc smooth concave surface (633).
5. leakage protecting plug according to claim 4, it is characterised in that：The shell (1) including upper shell (101) and Lower house (102), is provided with waterproof grommet (103), the anti-watertight between the upper shell (101) and lower house (102) Seal (103) including sealing ring body (1031) and be located at it is described include main stress portion (1032) on sealing ring body, the master receives Power portion (1032) is with the sealing ring body (1031) at grade.
6. leakage protecting plug according to claim 4, it is characterised in that：The lock (63) is L-type.
7. leakage protecting plug according to claim 6, it is characterised in that：In the power firestreak pin (12), neutrality Pinouts (301) and static connection piece (302) are provided between line pin (13) and the stationary contact (3).
8. leakage protecting plug according to claim 7, it is characterised in that：It is defeated with the power supply in the movable contact (4) Dynamic connection sheet (401) is provided between outlet (5).
9. leakage protecting plug according to claim 6, it is characterised in that：Lock fulcrum is provided with the lock (63) (634), the lock (63) can rotate around lock fulcrum (634).
10. leakage protecting plug according to claim 1, it is characterised in that：It is provided with outer on the shell (1) one side It is exposed to the testing button (7) on the shell (1) surface.
CN201610898233.7A 2016-10-14 2016-10-14 A kind of leakage protecting plug Active CN106654736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610898233.7A CN106654736B (en) 2016-10-14 2016-10-14 A kind of leakage protecting plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610898233.7A CN106654736B (en) 2016-10-14 2016-10-14 A kind of leakage protecting plug

Publications (2)

Publication Number Publication Date
CN106654736A true CN106654736A (en) 2017-05-10
CN106654736B CN106654736B (en) 2019-03-22

Family

ID=58855167

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610898233.7A Active CN106654736B (en) 2016-10-14 2016-10-14 A kind of leakage protecting plug

Country Status (1)

Country Link
CN (1) CN106654736B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508090A (en) * 2017-09-07 2017-12-22 中山市拓昊电器有限公司 One kind has earth leakage protective safety plug
CN110649417A (en) * 2019-08-26 2020-01-03 郑巧玲 Timer device capable of press-mounting and accommodating plug pins

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810799A (en) * 2012-08-14 2012-12-05 中山市拓昊电器有限公司 Current leakage protection plug
CN102810800A (en) * 2012-08-14 2012-12-05 中山市拓昊电器有限公司 Plug with function of earth leakage protection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810799A (en) * 2012-08-14 2012-12-05 中山市拓昊电器有限公司 Current leakage protection plug
CN102810800A (en) * 2012-08-14 2012-12-05 中山市拓昊电器有限公司 Plug with function of earth leakage protection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508090A (en) * 2017-09-07 2017-12-22 中山市拓昊电器有限公司 One kind has earth leakage protective safety plug
CN110649417A (en) * 2019-08-26 2020-01-03 郑巧玲 Timer device capable of press-mounting and accommodating plug pins

Also Published As

Publication number Publication date
CN106654736B (en) 2019-03-22

Similar Documents

Publication Publication Date Title
US8390404B2 (en) Power plug with cable leakage protective function
CN206490416U (en) Circuit Interrupt safety device, interruption safety device and safety device
CN201425994Y (en) Power plug with leakage protection function
CN106024539A (en) Electric leakage protector
CN203521795U (en) Power source plug having earth leakage protection function
CN105609382B (en) A kind of circuit protection device
CN106654736A (en) Leakage protection plug
CN104967206B (en) Colliery low pressure double loop dual power supply permanent magnetism feed interconnection switch operating circuit
CN109192569A (en) A kind of control method being latched between three station grounding switch and breaker open operation
CN102231462B (en) Leakage protection plug
CN201868356U (en) Leakage protection device
CN205583299U (en) Switch socket and wiring board with circuit protect function
CN206947595U (en) Leakage protecting plug, earth leakage protective power line and electric equipment
CN207474856U (en) A kind of automatic short circuit device and the connector with the device
CN206546920U (en) A kind of plug with creepage protection function
CN206602051U (en) A kind of breaker operator hanging locking device
CN205004295U (en) Circuit protection device
CN201142467Y (en) Creepage protecting plug
CN101771221A (en) Power plug with off-position protecting function
CN201112999Y (en) Multifunctional mobile residual current flow protector
CN203910718U (en) Apparatus for preventing false switching of a breaker if no power exists at an electrical network side
CN104183432B (en) A kind of pre paid functionality chopper
CN202809689U (en) Control device for hydraulic pilot oil circuit of excavating machine
CN205943991U (en) Leakage protector
CN207116849U (en) Plug with electric leakage and arc protection

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 528400 Second Floor of No. 108 Dongfu Fourth Road, Dongfeng Town, Zhongshan City, Guangdong Province

Patentee after: Zhongshan To-Head Electrical Co., Ltd.

Address before: 528400 No. 4 Guangyao Road, Dongsheng Town, Zhongshan City, Guangdong Province

Patentee before: Zhongshan To-Head Electrical Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200608

Address after: 528400 third floor, workshop, No.108, Dongfu Fourth Road, Dongfeng Town, Zhongshan City, Guangdong Province

Patentee after: Zhongshan RiFeng Intelligent Electric Co.,Ltd.

Address before: No.108, Dongfu Fourth Road, Dongfeng Town, Zhongshan City, Guangdong Province

Patentee before: ZHONGSHAN TO-HEAD ELECTRICAL Co.,Ltd.