CN204216276U - With the earth leakage protective socket of emergency exit - Google Patents
With the earth leakage protective socket of emergency exit Download PDFInfo
- Publication number
- CN204216276U CN204216276U CN201420697680.2U CN201420697680U CN204216276U CN 204216276 U CN204216276 U CN 204216276U CN 201420697680 U CN201420697680 U CN 201420697680U CN 204216276 U CN204216276 U CN 204216276U
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- emergency exit
- reset
- socket
- earth leakage
- leakage protective
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Abstract
The utility model discloses a kind of earth leakage protective socket with emergency exit; comprise by end box and upper cover housing fixedly; the control circuit board of tripping mechanism and control tripping mechanism is provided with in housing; on be covered with plug-socket; end box is provided with input and output; the inner side of upper cover is provided with emergency exit; emergency exit is relative with plug-socket; tripping mechanism is connected with described control circuit board; described resetting means unclamps according to triggering signal stopping means or blocks resetting means, thus described moving contact and described plug-socket disconnect with described output or contact.The utility model, be provided with unique exit structure, the continuity of movement of slide block is strong; easy to use, play the effect of safeguard protection, the tripping mechanism controlled by control circuit board; can effectively avoid, because electric leakage causes casualties, being quick on the draw quick, practical.
Description
Technical field
The utility model relates to leakage, breaking protective device, is specifically related to the earth leakage protective socket being with emergency exit.
Background technology
The earth leakage protective general principle of low-voltage electrical apparatus is the difference between current detected by device inside in magnet ring (instrument transformer) supervisory circuit live wire and zero line; once current differential reaches the set point of earth leakage protective device; earth leakage protective device can automatic disconnecting consumers power supply, thus plays a protective role.
On market, leakage, breaking protective device is of a great variety; quality and performance is uneven; if have drain conditions when inserting conducting metal in jack to occur; in the jack of therefore a lot of socket, can emergency exit be set; but the properity of emergency exit and continuity of movement have bigger difference; jack can be caused to be difficult to the situation of inserting or being difficult to extract, affect result of use and Consumer's Experience, and the action of action tripping mechanism to be discontinuous when detecting that load has electric leakage, useful life is short.
As can be seen here, current earth leakage protective socket exist the vibrational power flow of emergency exit unreasonable, use inconvenience and tripping mechanism useful life short problem.
Utility model content
Technical problem to be solved in the utility model be on current earth leakage protective socket the vibrational power flow of emergency exit unreasonable, use inconvenience and tripping mechanism useful life short problem.
In order to solve the problems of the technologies described above; the technical scheme that the utility model adopts there is provided a kind of earth leakage protective socket with emergency exit; comprise by end box and upper cover housing fixedly; the control circuit board of tripping mechanism and the described tripping mechanism of control is provided with in described housing; plug-socket is covered with on described; box of the described end is provided with input and output
The inner side of described upper cover is provided with emergency exit, described emergency exit is relative with described plug-socket, described emergency exit comprises outer slide and inner slide, support chip and the screens block be fixed on described support chip, outside described, the opening end of inner slide is oppositely arranged, fixed by the fixed head in outer spring and described upper cover outside the top of described outer slide, the top inner side of described inner slide is fixed by inner spring and described support chip, described inner slide and described inner spring are placed in described outer slide, all be resisted against on described screens block with the end of described outer slide outside the top of described inner slide, described support chip to be fixed in described housing and push down described outside, inner slide, outside described, inner slide is equipped with the protrusion cambered surface with plug adaptation, described support chip is provided with the through hole corresponding with described plug-socket,
Described tripping mechanism comprises resetting means moving up and down, paired moving contact and stopping means, moving contact described in two connects described plug-socket and described output respectively, described moving contact is arranged on moving plate, described moving plate clamps with described resetting means and is fixedly connected with, described moving plate is connected with described control circuit board by electrical induction device, described stopping means is connected with described control circuit board, and can connect and fix with described resetting means.
In the earth leakage protective socket of above-mentioned band emergency exit, on described, be covered with reset key and feeler switch.
In the earth leakage protective socket of above-mentioned band emergency exit; the downside of described resetting means is provided with reset seat; comprise the back-moving spring of reset bridge, the reset iron core moved back and forth and described reset iron core overcoat thereof; clamp to the bilateral symmetry of described reset bridge and be provided with described moving plate; upper end and the described reset key of described reset iron core are fixed; lower end passes described reset bridge and is provided with reverse moving plate, and described reverse moving plate contacts with reverse rivet and described control circuit board is energized.
In the earth leakage protective socket of above-mentioned band emergency exit; described stopping means comprises dropout iron core, tripping coil, iron core spring and return pin; described return pin is fixed on one end of described dropout iron core; to be fixed by described iron core spring and described reset seat through described reset bridge; described return pin be provided with described reset iron core by circular hole, described reset iron core is also provided with the reset draw-in groove mated in described return pin.
In the earth leakage protective socket of above-mentioned band emergency exit, the top of described inner slide and described outer slide is respectively equipped with extenal fixation post for fixing spring and internal fixtion post.
In the earth leakage protective socket of above-mentioned band emergency exit, the exterior bottom on described screens block is provided with groove of stepping down, and the end of described outer slide is provided with the positioning convex point with described matching grooves of stepping down.
In the earth leakage protective socket of above-mentioned band emergency exit, the side of described return pin is in " 7 " font.
In the earth leakage protective socket of above-mentioned band emergency exit, described electrical induction device comprises instrument transformer and input chip, and described instrument transformer is connected with described moving plate by described input chip.
In the earth leakage protective socket of above-mentioned band emergency exit, the downside of described feeler switch is provided with test pieces, and when pressing described feeler switch, described test pieces connects with the L pole of described input chip.
In the earth leakage protective socket of above-mentioned band emergency exit, described moving plate is placed in the screens groove of described reset bridge, and is provided with screens spring in described screens groove and by the top of described moving plate top to described screens groove.
The utility model, in plug-socket, emergency exit is set, just can use when only having plug to insert in two sockets of live wire and zero line, the misoperation that can prevent single hole from inserting causes the generation of dangerous situation, enclosure interior is also provided with mechanical trip structure and control circuit board, automatically the connection of moving contact and plug-socket and output can be disconnected when drain conditions occurs, make in plug-socket, do not have electric current to pass through, ensure personal safety and the Environmental security of user, simple and reliable for structure, stable performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is the scheme of installation of emergency exit of the present utility model;
Schematic diagram when Fig. 4 is emergency exit of the present utility model closedown;
Schematic diagram when Fig. 5 is emergency exit of the present utility model unlatching;
Fig. 6 is the schematic diagram of outer slide of the present utility model;
Fig. 7 is the schematic diagram of inner slide of the present utility model;
Fig. 8 is the schematic diagram of screens block of the present utility model;
Fig. 9 is the schematic diagram of support chip of the present utility model;
Figure 10 is the schematic diagram of resetting means of the present utility model and stopping means;
Figure 11 is the front view of resetting means of the present utility model and stopping means.
Embodiment
The technical scheme that the utility model adopts there is provided a kind of earth leakage protective socket with emergency exit, can ensure personal safety and the Environmental security of user, simple and reliable for structure, stable performance.Below in conjunction with specific embodiment and Figure of description, fearness is given to describe in detail to the utility model.
As depicted in figs. 1 and 2; the earth leakage protective socket of the band emergency exit that the utility model provides comprises by upper cover 100 and end box 200 housing fixedly; upper cover 100 is provided with ground hole 110, plug-socket 120 and reset key 130, feeler switch 140; plug-socket 120 comprises zero line and live wire two sockets; end box 200 is provided with input 210 and output 220; be provided with the emergency exit 300 corresponding with plug-socket 120 in housing, be also provided with the control circuit board of tripping mechanism 400 and control tripping mechanism 400.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the inner side of upper cover 100 is provided with emergency exit 300, and emergency exit 300 is relative with plug-socket 120, during for ensureing that socket and plug disconnect, disconnect with power supply in plug-socket 120, prevent the dangerous situations such as electric shock from occurring.
The screens block 340 that emergency exit 300 comprises outer slide 330, inner slide 320, support chip 310 and is fixed on support chip 310.Extenal fixation post 334 is provided with outside the top of outer slide 330, the two ends of outer spring 331 are fixed with the fixed head in extenal fixation post 334, upper cover 100 respectively, the top inner side of inner slide 320 is provided with internal fixtion post 324, the two ends of inner spring 321 are separately fixed at internal fixtion post 324 with on support chip, and inner slide 320 and inner spring 321 are placed in outer slide 330.All be resisted against on screens block 340 with the end of outer slide 330 outside the top of inner slide 320, the exterior bottom on screens block 340 is provided with groove 341 of stepping down, and the end of outer slide 330 is provided with the positioning convex point 332 mated with groove 341 of stepping down.Support chip 310 to be fixed in housing and to push down outer slide 330, inner slide 320, outer slide 330 and inner slide 320 are provided with and protrude cambered surface 333 and second with first of plug adaptation and protrude cambered surface 323, and support chip 310 is provided with the through hole 311 corresponding with plug-socket 120.
The utility model is in closure state when not having plug to insert, outer slide 330, inner slide 320 lean against one end (not marking in diagram) of upper cover 100 draw-in groove respectively under the tension force effect of outer spring 331, inner spring 321, block plug-socket 120, step down groove 341 and positioning convex point 322 are in fastening state.
When plug inserts plug-socket 120, the two pins of plug is pressed in the first protrusion cambered surface 333 and second respectively and protrudes in cambered surface 323, along with constantly applying pressure downwards, outer slide 330 and inner slide 320 are subject to the extruding of same lateral pressure simultaneously, and then compress outer spring 331 and inner spring 321, also insert wherein until plug is relative with the through hole 311 on support chip 310, support chip 310 is stuck on upper cover 100, ensures that emergency exit 300 operationally can not come off.Therefore when single electrical metal is inserted a jack due to misoperation by children or user; even if one of them slide block is inserted into dynamics and struts; a slide block is also had to block jack; the electric shock accidents effectively preventing from conducting metal from touching conductive insert of the present utility model causing, plays the effect of safeguard protection.
As shown in Figure 10 and Figure 11, tripping mechanism 400 comprises resetting means, paired moving contact and stopping means.
Resetting means is arranged in reset seat (not marking in diagram), comprise the back-moving spring 411 of reset bridge 412, the reset iron core 410 moved back and forth and reset iron core 410 periphery thereof, upper end and the reset key 130 of reset iron core 410 are fixed, lower end passes reset bridge 412 and is provided with reverse moving plate 413, and reverse moving plate 413 is contacted with control circuit board 500 by reverse rivet 414 and conducts electricity.
Moving contact comprises the first contact 431 and the second contact 432, attachment plug jack 120 and output 220 respectively, moving contact is arranged on moving plate 430, the middle part of moving plate 430 clamps with reset bridge 412 and is fixedly connected with, be provided with a moving plate 430 to the bilateral symmetry of reset bridge 412, moving plate 430 is connected with control circuit board 500 by electrical induction device.Electrical induction device comprises instrument transformer 440 and input chip 441, first contact 431 and the second contact 432 arrangement in self-consistentency, screens spring 433 on reset bridge 412 can keep moving plate 430 by the draw-in groove top of top to reset bridge 412, form the lever construction of middle spring support, moving contact is made to possess the function automatically regulated, ensure that the reliable contacts of contact, the problem of the loose contact that the cumulative limit solving batch production spare and accessory parts causes.Under utility model works state, whether instrument transformer 440 leaks electricity for detecting, and sends triggering signal make stopping means make corresponding actions when leaking electricity.
Stopping means comprises dropout iron core 420, tripping coil 421, return pin 424 and iron core spring 423, end and the return pin 424 of dropout iron core 420 are fixed, dropout iron core 420 is also provided with shielding catch 422, for shielding the magnetic flux of tripping coil 421, the side of return pin 424 is in " 7 " font, through reset bridge 412 and be provided with reset iron core 410 by circular hole, also fixed by the outside of iron core spring 423 with reset seat, the tension force of iron core spring 423 makes dropout iron core 420 remain on the correct position of tripping coil 421, be convenient to the maximum electromagnetic force utilizing tripping coil 421 to produce.Reset iron core 410 is provided with the reset draw-in groove (not marking in diagram) mated with return pin 424.
When the utility model uses, press reset key 130, back-moving spring 411 applies pressure to reset bridge 412 makes it move down, reverse moving plate 413 is contacted with reverse rivet 414, turn-on control circuit plate 500 makes it have electric current to pass through, dropout iron ring 421 is by electric current and produce electromagnetic force, dropout iron core 420 is made to promote return pin 424, reset iron core 410 is made to be stuck in reset draw-in groove instantaneously through the circular hole of return pin 424, the tension force of back-moving spring 411 makes reset key 130 drive on reset bridge 412 to move, thus make the first contact 431 on moving plate 430 and the second contact 432 attachment plug jack 120 and output 220 respectively, electricity is had with output 220 in plug-socket 120, insert plug can use.
The downside of feeler switch 140 is provided with test pieces 443, and when people is for pressing feeler switch 140, the test pieces 443 on the downside of it can make instrument transformer 440 electric leakage be detected by the L pole of input chip 441.So when pressing feeler switch 140 or the electric leakage of plug-socket 120 place, instrument transformer 440 sends triggering signal, control circuit board 500 can to dropout iron ring 421 input current, dropout iron ring 421 produces electromagnetic force, dropout iron core 420 is made to promote return pin 424, make return pin 424 from the slippage of reset draw-in groove, reset key 130 is moved, reset bridge 412 moves down homing, the first contact 431 on moving plate 430 and the second contact 432 is made to disconnect the connection with plug-socket 120 and output 220 respectively, in plug-socket 120 and output 220 power-off.
The utility model; be provided with unique exit structure, the continuity of movement of slide block is strong, easy to use; even if one of them slide block is inserted into dynamics and struts; also have a slide block to block jack, the electric shock accidents effectively preventing from conducting metal from touching conductive insert of the present utility model causing, plays the effect of safeguard protection; the tripping mechanism controlled by control circuit board; can effectively avoid, because electric leakage causes casualties, being quick on the draw quick, practical.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection range of the present utility model.
Claims (10)
1. be with the earth leakage protective socket of emergency exit; comprise by end box and upper cover housing fixedly, be provided with the control circuit board of tripping mechanism and the described tripping mechanism of control in described housing, on described, be covered with plug-socket; box of the described end is provided with input and output, it is characterized in that:
The inner side of described upper cover is provided with emergency exit, described emergency exit is relative with described plug-socket, described emergency exit comprises outer slide and inner slide, support chip and the screens block be fixed on described support chip, outside described, the opening end of inner slide is oppositely arranged, fixed by the fixed head in outer spring and described upper cover outside the top of described outer slide, the top inner side of described inner slide is fixed by inner spring and described support chip, described inner slide and described inner spring are placed in described outer slide, all be resisted against on described screens block with the end of described outer slide outside the top of described inner slide, described support chip to be fixed in described housing and push down described outside, inner slide, outside described, inner slide is equipped with the protrusion cambered surface with plug adaptation, described support chip is provided with the through hole corresponding with described plug-socket,
Described tripping mechanism comprises resetting means moving up and down, paired moving contact and stopping means, moving contact described in two connects described plug-socket and described output respectively, described moving contact is arranged on moving plate, described moving plate clamps with described resetting means and is fixedly connected with, described moving plate is connected with described control circuit board by electrical induction device, described stopping means is connected with described control circuit board, and can connect and fix with described resetting means.
2. the earth leakage protective socket of band emergency exit as claimed in claim 1, is characterized in that, be covered with reset key and feeler switch on described.
3. the earth leakage protective socket of band emergency exit as claimed in claim 2; it is characterized in that; the downside of described resetting means is provided with reset seat; comprise the back-moving spring of reset bridge, the reset iron core moved back and forth and described reset iron core overcoat thereof; clamp to the bilateral symmetry of described reset bridge and be provided with described moving plate; upper end and the described reset key of described reset iron core are fixed, and lower end passes described reset bridge and is provided with reverse moving plate, and described reverse moving plate contacts with reverse rivet and described control circuit board is energized.
4. the earth leakage protective socket of band emergency exit as claimed in claim 3; it is characterized in that; described stopping means comprises dropout iron core, tripping coil, iron core spring and return pin; described return pin is fixed on one end of described dropout iron core; to be fixed by described iron core spring and described reset seat through described reset bridge; described return pin be provided with described reset iron core by circular hole, described reset iron core is also provided with the reset draw-in groove mated in described return pin.
5. the earth leakage protective socket of band emergency exit as claimed in claim 1, is characterized in that, the top of described inner slide and described outer slide is respectively equipped with extenal fixation post for fixing spring and internal fixtion post.
6. the earth leakage protective socket of band emergency exit as claimed in claim 1, it is characterized in that, the exterior bottom on described screens block is provided with groove of stepping down, and the end of described outer slide is provided with the positioning convex point with described matching grooves of stepping down.
7. the earth leakage protective socket of band emergency exit as claimed in claim 3, is characterized in that, the side of described return pin is in " 7 " font.
8. the earth leakage protective socket of band emergency exit as claimed in claim 2, it is characterized in that, described electrical induction device comprises instrument transformer and input chip, and described instrument transformer is connected with described moving plate by described input chip.
9. the earth leakage protective socket of band emergency exit as claimed in claim 8, it is characterized in that, the downside of described feeler switch is provided with test pieces, and when pressing described feeler switch, described test pieces connects with the L pole of described input chip.
10. the earth leakage protective socket of band emergency exit as claimed in claim 3, it is characterized in that, described moving plate is placed in the screens groove of described reset bridge, and is provided with screens spring in described screens groove and by the top of described moving plate top to described screens groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697680.2U CN204216276U (en) | 2014-11-19 | 2014-11-19 | With the earth leakage protective socket of emergency exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697680.2U CN204216276U (en) | 2014-11-19 | 2014-11-19 | With the earth leakage protective socket of emergency exit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216276U true CN204216276U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420697680.2U Active CN204216276U (en) | 2014-11-19 | 2014-11-19 | With the earth leakage protective socket of emergency exit |
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| Country | Link |
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| CN (1) | CN204216276U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN111989576A (en) * | 2018-04-24 | 2020-11-24 | 泰瑞达公司 | Thermal control in a test system |
| CN113708153A (en) * | 2021-09-08 | 2021-11-26 | 张贻涛 | High-current plug and socket |
| CN114360952A (en) * | 2022-02-18 | 2022-04-15 | 重庆市长寿区臻波通讯设备有限公司 | Portable communication equipment with prevent mistake and touch button structure |
-
2014
- 2014-11-19 CN CN201420697680.2U patent/CN204216276U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN105356415B (en) * | 2015-11-04 | 2018-03-30 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device with automatic power and power down function |
| CN111989576A (en) * | 2018-04-24 | 2020-11-24 | 泰瑞达公司 | Thermal control in a test system |
| CN113708153A (en) * | 2021-09-08 | 2021-11-26 | 张贻涛 | High-current plug and socket |
| CN113708153B (en) * | 2021-09-08 | 2024-04-12 | 张贻涛 | High-current plug and socket |
| CN114360952A (en) * | 2022-02-18 | 2022-04-15 | 重庆市长寿区臻波通讯设备有限公司 | Portable communication equipment with prevent mistake and touch button structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |