CN101958212B - Receptacle type residual current circuit breaker - Google Patents
Receptacle type residual current circuit breaker Download PDFInfo
- Publication number
- CN101958212B CN101958212B CN200910055138.0A CN200910055138A CN101958212B CN 101958212 B CN101958212 B CN 101958212B CN 200910055138 A CN200910055138 A CN 200910055138A CN 101958212 B CN101958212 B CN 101958212B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- residual current
- current circuit
- type residual
- receptacle type
- 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.)
- Active
Links
Images
Landscapes
- Breakers (AREA)
Abstract
The invention provides a receptacle type residual current circuit breaker which comprises a shell as well as a resetting assembly, a core assembly (14) and a testing assembly which are arranged in the shell, wherein the core assembly (14) comprises a circuit board (1410) as well as a magnetic ring assembly (1411) and a tripping assembly which are arranged on the circuit board; a middle layer bracket (11) in the shell is fixedly connected with a pair of receptacle pieces (9, 13); static contact arms provided with static contacts (901, 131) respectively extend out of the receptacle pieces (9, 13), and are used for corresponding to movable electrical contacts (141, 142) of a pair of input movable contact pieces (1406, 1407) arranged in the magnetic ring assembly (1411); the static contact arms are arranged to extend in the same direction; and the tripping assembly is arranged below the input movable contact pieces (1406, 1407) and cooperates with the resetting assembly to act. The circuit breaker has the advantages of simple structure and small outer volume, can be directly installed in a national standard wall junction box, and is safely and reliably suitable for various receptacles.
Description
Technical field
The present invention relates to a kind of residual current circuit breaker, relate in particular to a kind of receptacle type residual current circuit breaker.
Background technology
Residual current circuit breaker is under rated condition, when in protected circuit, residual current surpasses set point, and can automatic shutoff circuit or send the protective relaying device of alarm signal.This device is mainly applicable to exchange 50Hz; rated voltage 400V; rated current is to the distribution network of 800A; be used for people that indirect contact protection is provided; also can be used to prevent because of apparatus insulated damage; the fire hazard that produces earth fault current and cause, and the overload and the short circuit that can be used to distribute electric energy and protection circuit and power-supply device, also can be used as not frequent starting of the not frequent transitions of circuit and motor.
Residual current circuit breaker mainly adopts the protection philosophy of automatic cut-off power.In protection against direct contact, conduct prevents the supplementary protection of the basic safeguard measure of shock hazard; In protection against indirect contact, conduct prevents from dangerous voltage, causing the limited protection of electrical shock hazard or electrical fire danger because earth fault makes electric equipment exposed conductive part.
The common socket of using in daily life at present only provides two accessory power outlets (2 plug-and-sockets and 3 plug-and-sockets), and earth leakage protective device is not set.Like this, in use, if electrical appliance generation leak current fault, without any safeguard measure, brings very big hidden danger to people's life and production safety.
Often complex structure and use inconvenience of existing earth leakage protective socket on market.For example the input of some earth leakage protective socket has configured one 3 and has inserted plug, need to insert plug by 3 and be inserted in 3 common plug-and-sockets during use; The large and complex structure of some earth leakage protective socket volume, is not easy to install.
Summary of the invention
For defect of the prior art, the present invention proposes a kind of design of simple in structure but safe and reliable receptacle type residual current circuit breaker, adopt the socket of this design can realize in all cases correct disconnection or the closure to load, especially can realize in electric leakage situation automatically disengagement failure electric current rapidly.
For this reason, receptacle type residual current circuit breaker of the present invention comprises housing and be arranged on reset assembly, cartridge assemblies and the test assembly in housing, and wherein, described cartridge assemblies comprises circuit board and is arranged on magnetic ring component and the trip assembley therefor on this circuit board.In a middle layer bracket in housing, be fixedly connected with a pair of socket sheet, on it, extend respectively the fixed contact arm that is provided with fixed contact, in order to corresponding with the moving electrical contact that is arranged on a pair of input movable contact spring in described magnetic ring component, wherein, described fixed contact arm is set to extend in the same way.Described trip assembley therefor is placed in the below of described input movable contact spring, and with described reset assembly co-operating.
A preferred embodiment of the invention, the described fixed contact arm extending is in the same way different in size.Should be understood that, the purpose of design of extending is in the same way in order to reduce the interior spatial structure of whole circuit breaker.When socket sheet and movable contact spring almost parallel are placed, the length of two fixed contact arms that extend in the same way can be roughly the same, like this, perpendicular to the space structure of movable contact spring direction, can reduce.On the other hand, when the placement substantially vertical with movable contact spring of socket sheet, need the fixed contact arm that extends in the same way different in size, can realize corresponding to each other of fixed contact and moving electrical contact.In this case, at parallel direction and the space structure in vertical direction of movable contact spring, all can correspondingly reduce, especially can form a kind of shell structure of squarish to be applicable to the wall-mounted terminal box of domestic standard.
In another preferred embodiment, the test shell fragment in described test assembly and a described socket sheet are integrally formed.Thus, can by means of socket sheet form with circuit board be connected to form simulation leakage current.Preferably, described socket sheet can be connected to described circuit board by a connecting line respectively, and one end of this connecting line is passed the wiring hole arranging on described socket sheet and is connected on socket sheet, and the other end is soldered to described circuit board.At this, described connecting line can be plain conductor, and it has served as the effect that socket sheet is directly electrically connected to circuit board.Further, when carrying out test operation, the test shell fragment being integrally formed with socket sheet can directly be connected with circuit board and produce leakage current, and current-limiting resistance need be additionally set on circuit board.Test shell fragment and socket sheet are integrally formed, also can effectively reduce number of molds, save material and be convenient to assembling.
In addition, described trip assembley therefor comprises release, snap close and by bobbin, the electromagnetic component that is placed in dropout iron core in bobbin and forms with dropout spring that described dropout iron core connects, wherein, described snap close is buckled on the iron core draw-in groove of described dropout iron core, and can insert in the snap close storage tank on described release.
Further, described reset assembly comprises reset button, the return pin being fixedly connected with this reset button and is sleeved on the back-moving spring in return pin, and described return pin is inserted in the through hole being formed on described release movably.
Preferably, described snap close is L shaped, on the one end in inserting the snap close storage tank of described release, is provided with through hole.Correspondingly, described return pin lower end is provided with draw-in groove, and the top of return pin is taper, and described draw-in groove can be snapped in the through hole arranging on described snap close, to realize the co-operating with trip assembley therefor.
Advantageously, described release extends to be provided with from its two ends respectively carries arm, and on arm, is provided with the fin to upper process carrying.
Alternatively, circuit breaker of the present invention also can be provided with indication lamppost, and its one end is connected to the LED element on circuit board, and the other end approaches the opening on housing top, to indicate the operating state of circuit breaker.
Alternatively, in described middle layer bracket, also can be fixedly connected with ground strip assembly.
As the optional execution mode of another kind; also can between described circuit board and input movable contact spring, be provided with an electric arc baffle plate; the infringement of the electric arc being produced in the time of can not being subject to electrical contact separation with the electronic component on protective circuit plate, this electric arc baffle plate can be made by the insulating material of resistance to electric arc.
Visible, than prior art, circuit breaker of the present invention is because reduce in enclosure interior space, thereby the external volume of whole circuit breaker reduces, easy for installation, can directly be installed in the wall-mounted terminal box of domestic standard; It is simple in structure, greatly reduces the cost of earth leakage protective socket, saving resource; The more important thing is, this breaker safe is reliable, meets concerned countries standard, and the operating status display apparatus of setting can effectively be avoided faulty operation and the use under defective mode; In addition, the use of circuit breaker of the present invention is very extensive, can be used as earth leakage protective device and uses, and also can be used as switch or socket and use, and applicable to various types of sockets.
Accompanying drawing explanation
Fig. 1 a-1d is the outside schematic diagram of the receptacle type residual current circuit breaker of an embodiment of the present invention, and wherein Fig. 1 a is perspective schematic view, and Fig. 1 b and Fig. 1 c are the end view of circuit breaker in Fig. 1 a, and Fig. 1 d is the top view of circuit breaker in Fig. 1 a;
Fig. 2 is the schematic, exploded perspective view of the receptacle type residual current circuit breaker of this execution mode shown in Fig. 1 a-1d;
Fig. 3 a is the perspective schematic view of cartridge assemblies of the receptacle type residual current circuit breaker of this execution mode;
Fig. 3 b is the decomposition diagram of cartridge assemblies shown in Fig. 3 a;
Fig. 4 a is the schematic sectional view of the receptacle type residual current circuit breaker of this execution mode in reset mode;
Fig. 4 b and Fig. 4 a are similar, from another side, show the receptacle type residual current circuit breaker in reset mode;
Fig. 5 a is the schematic sectional view of the receptacle type residual current circuit breaker of this execution mode in trip status;
Fig. 5 b and Fig. 5 a are similar, from another side, show the receptacle type residual current circuit breaker in trip status;
Fig. 6 is the circuit theory diagrams of this preferred implementation of the present invention.
Description of reference numerals
1 panel 2 case top lid
3 anti-plug sliding block spring 4 the two poles of the earth anti-plug slide blocks
5 the two poles of the earth ground connection anti-plug slide block 6 reset button
601 return pin 602 draw-in grooves
7 test button 701 depression bars
8 indication lamppost 9 L line socket sheets
901 L fixed contact 902 test shell fragments
903 L wiring hole 904,904 ' L socket sheet blades
10 back-moving spring 11 middle layer bracket
12 ground strip assembly 121 earthing screws
122 ground connection are sold 13 N line socket sheets
131 N fixed contact 132 N wiring holes
133,133 ' N socket sheet blade, 14 cartridge assemblies
1401 release 1402 snap closes
1403 bobbin 1404 dropout iron cores
1405 dropout spring 1406 L movable contact springs
142 L move electrical contact 1407 N movable contact springs
141 N move electrical contact 1408 L input lug plates
1409 N input lug plate 1410 circuit boards
1411 magnetic ring component 1412 are carried arm fin
1413 iron core draw-in groove 1414 snap close draw-in grooves
1415 snap close through hole 1416 release through holes
1417 snap close storage tank 1418 projections
1419 carry arm 1420 electric arc baffle plates
1421 blocking arm 15 housing bases
16 N connecting line 17 L connecting lines
D1-D4 diode C1-C7 electric capacity
R1-R5 resistance LED light-emitting diode
SOL solenoid MOV piezo-resistance
C54123 integrated chip 1 '-8 ' integrated chip pin
TEST test switch RESET reset switch
Q1 triode RING detection of electrical leakage ring
Embodiment
Below with a kind of receptacle type residual current circuit breaker of the present invention (hereinafter to be referred as circuit breaker) of preferred embodiment describing in detail.Fig. 1 a-1d illustrates this circuit breaker from all angles, wherein, by case top lid 2 and housing base 15, has formed outside, and can in case top lid 2, cover a panel 1, so that the external dimensions of this circuit breaker is more suitable for the wall-mounted terminal box for domestic standard.Case top lid 1 is provided with the opening that supplies reset button 6 and test button 7 to protrude out, and inserts for plug the jack that forms load output to contact with socket sheet.
Fig. 2 to Fig. 3 b shows respectively structure and the position relationship of each parts of enclosure interior.Should be understood that, in the present embodiment, for describing the structure of each parts of circuit breaker and the statement of locality, such as upper and lower, left and right, front and rear etc., is not absolute, but relative.When circuit breaker is positioned at the position shown in figure, these statements are suitable.But if the change in location of circuit breaker, these statement meetings change according to the variation of the position of circuit breaker.
First referring to Fig. 2, at the mid portion of enclosure interior, be provided with the middle layer bracket 11 of being made by insulating material, on it, can place a pair of socket sheet 9,13.Wherein, socket sheet 9,13 be provided with the socket blade 904,904 corresponding with jack in case top lid 2 ' and 133,133 ', and from a side, extend the fixed contact arm that is provided with fixed contact 901,131 respectively, and two fixed contacts are set to extend in the same way.
Below described middle layer bracket 11 for being placed in cartridge assemblies 14 in housing base 15 (below will describe), input movable contact spring 1406 on it, 1407 and moving electrical contact 141,142 corresponding with fixed contact arm and the fixed contact 901,131 thereof of socket blade.In this embodiment, by socket sheet 9,13 and the substantially vertical setting of input movable contact spring 1406,1407, the fixed contact arm of a socket sheet extends longlyer than the fixed contact arm of another socket sheet thus.For the fixed contact arm that makes to grow keeps relatively static, in middle layer bracket 11, can be provided with fixed support.
Above described middle layer bracket 11, be provided with reset assembly and test assembly.Reset assembly by reset button 6, be fixedly connected on the return pin 601 of these reset button 6 belows and the back-moving spring 10 that is sleeved in this return pin forms, return pin 601 can be movably through being arranged on the through hole in middle layer bracket 11, with described cartridge assemblies 14 on corresponding component co-operating.Described test assembly comprises test button 7 and test shell fragment 902.Can below test button 7, be fixedly connected with a depression bar 701 and effectively press test shell fragment 902.In this embodiment, test shell fragment 902 can with a described socket sheet for example L line socket sheet 9 be integrally formed.The L connecting line 17 being made of metal can pass its one end the wiring hole 903 arranging on described L line socket sheet 9 and be connected on this socket sheet, and the other end is soldered to circuit board socket sheet is connected directly to circuit board.Like this, the test shell fragment 902 being integrally formed with socket sheet can directly be connected with circuit board, and when pressing test button 7, produces simulation leakage current.Similarly, on N line socket sheet 13, also can be provided with wiring hole 132, in order to be connected to circuit board by being connected in the N connecting line 16 of this wiring hole 132.
Above described middle layer bracket 11, also can be provided with anti-plug slide block 4 and 5.This anti-plug slide block when initial condition, cover described socket sheet blade above, can prevent the incorrect insertion of foreign matter or plug, and can when correct insertion, with the insertion process of plug, laterally slide, to expose socket sheet blade for this circuit breaker normally.According to the user demand of this circuit breaker, the jack shape arranging in the architectural feature of socket blade and case top lid 2 can be different.Therefore, the structure of anti-plug slide block also can respective change.For example, in this embodiment, according to GB1002 plugs and sockets standard, the load end that socket sheet blade forms can be the rated current of 10A, but the load end of socket sheet blade 904,133 is two pole socket blades, 904 ', 133 ' the load end that forms be the two poles of the earth band grounding receptacle blade, thereby two kinds of jack shapes corresponding to socket sheet are inconsistent, and the structure that covers respectively anti-plug slide block 4 on socket sheet blade and 5 is difference just also.In addition, in order to realize the horizontal slip of anti-plug slide block, can be each slide block and configure respectively an anti-plug sliding block spring 3, and one end of this spring 3 is connected on anti-plug slide block, the other end is connected on the inwall of case top lid 2 for example.
Here note also that, due to this execution mode employing is two kinds of load ends that jack combines, thereby only need configure an earth terminal, and ground strip assembly 12, and described ground strip assembly 12 comprises ground connection pin 122 and the earthing screw 121 corresponding with earth jack.The rated current that it will also be appreciated that the load end of this circuit breaker is not restricted to 10A, also can add the load design of 16A.
In inner walls, also can be provided with an indication lamppost 8, its one end can be connected to by the perforation in middle layer bracket 11 the LED element (not shown in Fig. 2) on circuit board, and the other end approaches the opening in case top lid 2, to indicate the operating state of circuit breaker.The position of described opening can arrange according to actual needs, for example, in Fig. 2, be between the set opening of reset button 6 and test button 7.
Referring now to Fig. 3 a and 3b.Cartridge assemblies 14 of the present invention comprises circuit board 1410, is arranged on magnetic ring component 1411 and trip assembley therefor on this circuit board, wherein, described trip assembley therefor comprises release 1401, snap close 1402 and by bobbin 1403, the electromagnetic component that is placed in dropout iron core 1404 in bobbin and forms with dropout spring 1405 that described dropout iron core connects.Described snap close 1402 is preferably L shaped, on the one end in inserting the snap close storage tank 1417 of described release 1401, is provided with through hole 1415, and the other end is provided with snap close draw-in groove 1414, for being buckled in the iron core draw-in groove 1413 of described dropout iron core 1404.
Described release 1401 is placed in the below of described input movable contact spring 1406,1407, and from two ends, extends to be provided with respectively and carry arm 1419, for lift described input movable contact spring when resetting.Preferably, described carrying on arm 1419, also can be provided with the fin 1412 to upper process, to strengthen the sensitivity that input movable contact spring is applied to action.This fin can be positioned at the optional position of carrying on arm, also can extend along any direction, more can only along a part of carrying arm, extend.Preferably, this fin can extend the whole length of carrying arm along the bearing of trend of carrying arm, and is positioned at the one end near magnetic ring component 1411.
As above, in release 1401 and catch member 1402, be respectively arranged with release through hole 1416 and snap close through hole 1415, use for the return pin 601 in reset assembly and pass.Get back to Fig. 2, can find out that the lower end of the described return pin 601 in present embodiment is provided with draw-in groove 602, described draw-in groove can be snapped in the snap close through hole 1415 arranging on described snap close 1402.The top of return pin 601 is preferably taper, the advantage arranging is like this, when pressing reset button 6, return pin 601 can be inserted snap close through hole 1415 smoothly by means of the tapered slope on top, and be snapped in the edge of snap close through hole 1415 because the effect of dropout spring 1405 makes draw-in groove 602, further to realize reset operation (will describe) below.In addition, adopt the return pin of taper, also can be when resetting SOL coil of a conducting, extended thus useful life of SOL coil.In order to make return pin 601 more accurately and firmly insert release through hole 1416, also can extend upward and form a projection 1418 along release through hole 1416.
In Fig. 3, also can see, on circuit board 1410, can be connected with metal wiring film, L input lug plate 1408 and N input lug plate 1409 can be connected with the terminal screw as shown in Fig. 2 and Fig. 3 a by buckle on two lug plates, repeat no more here.In addition, also can between circuit board 1410 and input movable contact spring 1406,1407, be provided with an electric arc baffle plate 1420.In this embodiment, this electric arc baffle plate 1420 can be set to roughly arch, in order to cover on the coil of bobbin 1403, and can extend respectively from both sides a blocking arm 1421 to block the portions of electronics element circuit board 1410, avoid the arcing damage resistive element and the coil that because of fault trip, when moving electrical contact is separated with static contact, produce.
The specific operation process of this execution mode is described below in conjunction with Fig. 4 a-5b and Fig. 6.First with reference to Fig. 4 a and 4b, what illustrate is in normal operation, i.e. circuit breaker under reset mode.When pressing reset button 6, the return pin 601 being fixedly connected with it moves down.Here, can see in middle layer bracket 11 in the through hole that the confession return pin that arranges passes through and be provided with flange in conjunction with Fig. 2, this flanged limits the displacement of back-moving spring 10.Therefore, back-moving spring 10 now can be compressed.Return pin 601 is inserted the snap close through hole 1415 in the interior side of release 1401 and moves down through described snap close 1402 thereupon, when the draw-in groove 602 in return pin 601 moves to the side of snap close through hole 1415, under the effect of described dropout spring 1405, this side transverse shifting the buckle of snap close through hole 1415 enter in this draw-in groove 602.Now unclamp reset button 6, under the effect of described back-moving spring 10, reset button 6 pops up and drives snap close 1402 and then drives release 1401 to move up, thereby two on release 1401 carried arm 1419 and the L movable contact spring 1406 being located thereon and N movable contact spring 1407 can be lifted, and make electrical contact 141,142 contact with corresponding L line socket sheet 9 and the fixed contact on N line socket sheet 13 901,131 respectively, realize thus conducting of power input of the present invention and load output.
For another example the electric leakage trip status shown in Fig. 5 a and 5b, there is leak current fault in live wire or zero line in the circuit breaker output line being connected with electrical appliance, or while there is leak current fault in electrical appliance, magnetic ring component 1411 detects leakage current and produces signal triggering controllable silicon and makes its conducting, thereby make in bobbin in electromagnetic component 1403 electricly and produce the magnetic field that is enough to drive dropout iron core 1404, dropout iron core 1404 drives horizontal snap close 1402 actions at release 1401, the draw-in groove 602 of return pin 601 is skidded off in the snap close through hole 1451 of L shaped snap close 1402, return pin 601 pops up.At this moment, release 1401 has lost the elastic force of the back-moving spring 10 passing over from return pin 601 and corresponding whereabouts, and movable contact spring 1406,1407 falls under the elastic reaction of self simultaneously.Thus, moving electrical contact on movable contact spring 1406,1,407 141,142 is opened with the fixed contact on socket sheet 9,13 tail ends for 901,131 minutes, has realized the disconnection that between power input and load output, electric power is connected, and the power supply of electrical appliance is cut off.
Fig. 6 also shows test circuit and display circuit.In current supply circuit, be also parallel with a piezo-resistance MOV, while suddenly producing high voltage in power supply, its can transient absorption high voltage with protective circuit breaker and the electrical equipment that used.
Test switch TEST and test resistance R5 have formed a test circuit, in order to the operating state of regular this circuit breaker of detection.This test circuit is connected with L connecting line 17, and is connected to SOL coil.Thus, as above, when pressing test button 7, make it touch test during shell fragment 902, can to SOL coil, provide simulation leakage current by the L connecting line 17 that is connected to circuit board, make the SOL conducting action of threading off.
In order to show the operating state of this circuit breaker, be also provided with a display circuit.This display circuit is in series by resistance R 1 and LED, and it is connected in parallel between output live wire, zero line.Reset button in being connected on current supply circuit 6 has power supply output when closed, LED lights, and shows that this circuit breaker is working properly; During reset button 6 escape in being connected on current supply circuit, output does not have power supply output, and LED goes out, and shows that this circuit breaker does not have power supply output.
Technology contents of the present invention and technical characterstic disclose as above, yet are appreciated that under creative ideas of the present invention, and those skilled in the art can make various changes and improve said structure, but all belongs to protection scope of the present invention.The description of above-mentioned execution mode is exemplary rather than restrictive.
Claims (13)
1. a receptacle type residual current circuit breaker, comprises housing and is arranged on reset assembly, cartridge assemblies (14) and the test assembly in housing, wherein,
Described cartridge assemblies (14) comprises circuit board (1410) and is arranged on magnetic ring component (14 youngster) and the trip assembley therefor on this circuit board;
In a middle layer bracket (11) in housing, be fixedly connected with a pair of socket sheet (9,13), on it, extend respectively and be provided with fixed contact (901,131) fixed contact arm, in order to a pair of input movable contact spring (1406 with being arranged in described magnetic ring component (1411), 1407) moving electrical contact (141,142) corresponding, wherein, the fixed contact arm of the first socket sheet extends towards the second socket sheet, the fixed contact arm of the second socket sheet extends towards the direction that deviates from two socket sheets, to form described fixed contact arm, is set to extend in the same way;
Described trip assembley therefor is placed in the below of described input movable contact spring (1406,1407), and with described reset assembly co-operating.
2. receptacle type residual current circuit breaker according to claim 1, is characterized in that, the described fixed contact arm extending is in the same way different in size.
3. receptacle type residual current circuit breaker according to claim 1, is characterized in that, the test shell fragment (902) in described test assembly is integrally formed with a described socket sheet.
4. according to the receptacle type residual current circuit breaker described in aforementioned arbitrary claim, it is characterized in that, described socket sheet (9,13) respectively by a connecting line (16,17) be connected to described circuit board (1410), one end of this connecting line is passed the wiring hole (903,132) arranging on described socket sheet and is connected on socket sheet, and the other end is soldered to described circuit board (1410).
5. receptacle type residual current circuit breaker according to claim 4, it is characterized in that, described trip assembley therefor comprises release (1401), snap close (1402) and by bobbin (1403), the electromagnetic component that is placed in dropout iron core (1404) in bobbin and forms with dropout spring (1405) that described dropout iron core connects, wherein, described snap close (1402) is buckled on the iron core draw-in groove (1413) of described dropout iron core (1404), and can insert in the snap close storage tank (1417) on described release (1401).
6. receptacle type residual current circuit breaker according to claim 5, it is characterized in that, the return pin (601) that described reset assembly comprises reset button (6), be fixedly connected with this reset button and be sleeved on the back-moving spring (10) in return pin, described return pin (601) is inserted in the through hole (1416) being formed on described release (1401) movably.
7. receptacle type residual current circuit breaker according to claim 6, is characterized in that, described snap close (1402) is L shaped, on the one end in inserting the snap close storage tank (1417) of described release (1401), is provided with through hole (1415).
8. receptacle type residual current circuit breaker according to claim 7, it is characterized in that, the lower end of described return pin (601) is provided with draw-in groove (602), and the top of return pin (601) is taper, described draw-in groove can be snapped in the upper through hole (1415) arranging of described snap close (1402).
9. receptacle type residual current circuit breaker according to claim 8, is characterized in that, described release (1401) extends to be provided with from its two ends respectively carries arm (1419).
10. receptacle type residual current circuit breaker according to claim 9, is characterized in that, described carrying, is provided with the fin (1412) to upper process on arm (1419).
11. receptacle type residual current circuit breakers according to claim 10, is characterized in that, are also provided with indication lamppost (8), and its one end is connected to the LED element on circuit board, and the other end approaches the opening on housing top, to indicate the operating state of circuit breaker.
12. receptacle type residual current circuit breakers according to claim 11, is characterized in that, are also fixedly connected with ground strip assembly (12) in described middle layer bracket (11).
13. receptacle type residual current circuit breakers according to claim 12, is characterized in that, between described circuit board (1410) and input movable contact spring (1406,1407), are also provided with an electric arc baffle plate (1420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910055138.0A CN101958212B (en) | 2009-07-21 | 2009-07-21 | Receptacle type residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910055138.0A CN101958212B (en) | 2009-07-21 | 2009-07-21 | Receptacle type residual current circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101958212A CN101958212A (en) | 2011-01-26 |
| CN101958212B true CN101958212B (en) | 2014-02-19 |
Family
ID=43485482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910055138.0A Active CN101958212B (en) | 2009-07-21 | 2009-07-21 | Receptacle type residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101958212B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078198A (en) * | 2011-10-25 | 2013-05-01 | 苏州益而益电器制造有限公司 | Plug-type residual current circuit breaker |
| CN102509919B (en) * | 2011-10-31 | 2013-08-28 | 黄华道 | Leakage protection socket with inverted wiring protection function |
| CN103457087A (en) * | 2013-09-02 | 2013-12-18 | 苏州路美思电气有限公司 | Electric leakage protection socket |
| CN104599911B (en) * | 2013-10-30 | 2017-05-03 | 益而益(集团)有限公司 | Arc fault circuit breaker |
| CN111786203A (en) * | 2020-07-06 | 2020-10-16 | 深圳信恳智能电子有限公司 | Lightning protection method for intelligent socket |
| CN112216572B (en) * | 2020-10-16 | 2021-06-15 | 贵州义兴电气有限公司 | High-low voltage power distribution cabinet indicating instrument protection against electric shock structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704941Y (en) * | 2004-05-21 | 2005-06-15 | 上海益而益电器制造有限公司 | Leakage protective socket with reversed wiring protective function |
| CN200993948Y (en) * | 2006-11-14 | 2007-12-19 | 上海益而益电器制造有限公司 | Safety earth fault circuit breaker |
| CN201181681Y (en) * | 2008-04-14 | 2009-01-14 | 上海益而益电器制造有限公司 | Trip mechanism and creepage protecting socket with the same |
| CN201263014Y (en) * | 2008-10-07 | 2009-06-24 | 上海益而益电器制造有限公司 | Creepage protecting socket with reverse wire connection protection function |
| CN201532918U (en) * | 2009-07-21 | 2010-07-21 | 上海益而益电器制造有限公司 | Socket-type residual current breaker |
-
2009
- 2009-07-21 CN CN200910055138.0A patent/CN101958212B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704941Y (en) * | 2004-05-21 | 2005-06-15 | 上海益而益电器制造有限公司 | Leakage protective socket with reversed wiring protective function |
| CN200993948Y (en) * | 2006-11-14 | 2007-12-19 | 上海益而益电器制造有限公司 | Safety earth fault circuit breaker |
| CN201181681Y (en) * | 2008-04-14 | 2009-01-14 | 上海益而益电器制造有限公司 | Trip mechanism and creepage protecting socket with the same |
| CN201263014Y (en) * | 2008-10-07 | 2009-06-24 | 上海益而益电器制造有限公司 | Creepage protecting socket with reverse wire connection protection function |
| CN201532918U (en) * | 2009-07-21 | 2010-07-21 | 上海益而益电器制造有限公司 | Socket-type residual current breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101958212A (en) | 2011-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8154831B2 (en) | Leakage current detection interrupter with fire protection means | |
| CN101958212B (en) | Receptacle type residual current circuit breaker | |
| CN102237614B (en) | Electricity leakage protection socket | |
| US9640969B2 (en) | Arc fault circuit interrupter | |
| CN101740271A (en) | Leakage circuit breaker | |
| CN201532918U (en) | Socket-type residual current breaker | |
| CN101980351B (en) | Rocker-type single-wire double-connection double-insurance switch | |
| CN201323167Y (en) | Earth leakage circuit breaker | |
| CN201213179Y (en) | Novel leakage protection socket | |
| CN201303151Y (en) | Leakage protection socket | |
| CN101562302B (en) | Novel earth leakage protection socket | |
| CN201774098U (en) | Novel earth leakage protection socket | |
| CN101399418B (en) | Novel leakage protection socket | |
| CN211629005U (en) | Circuit fault detection module integrated in circuit breaker | |
| CN201107823Y (en) | Novel earth leakage protection socket | |
| KR100609439B1 (en) | 2 openings socket outlet having short circuit interrupt function | |
| CN101645566B (en) | Leakage protection socket | |
| CN201263014Y (en) | Creepage protecting socket with reverse wire connection protection function | |
| CN108511999B (en) | English standard plug | |
| CN209434130U (en) | A kind of three-in-one overcurrent protection switch | |
| CN210575777U (en) | Terminal device of residual current circuit breaker | |
| CN101552412B (en) | Novel electric leakage protecting socket | |
| CN201107825Y (en) | Novel earth leakage protection socket | |
| CN201243140Y (en) | Novel leakage protection socket | |
| CN101567510B (en) | Novel electric leakage protection socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU ELE. MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SHANGHAI ELE MFG. CORP. Effective date: 20130422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201703 QINGPU, SHANGHAI TO: 215125 SUZHOU, JIANGSU PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130422 Address after: 215125 No. 8 Xincheng Road, Suzhou Industrial Park, Jiangsu, Suzhou Applicant after: Suzhou ELE Electrical Appliance Manufacturing Co., Ltd. Address before: 201703 Shanghai city Qingpu District Metro Economic Zone two Huqingping No. 1 Lane 2933 Applicant before: Shanghai ELE Mfg. Corp. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |