CN101964284B - Operating mechanism of leakage protector - Google Patents
Operating mechanism of leakage protector Download PDFInfo
- Publication number
- CN101964284B CN101964284B CN 201010295305 CN201010295305A CN101964284B CN 101964284 B CN101964284 B CN 101964284B CN 201010295305 CN201010295305 CN 201010295305 CN 201010295305 A CN201010295305 A CN 201010295305A CN 101964284 B CN101964284 B CN 101964284B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- initiatively
- contact base
- active
- contact
- 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
- Push-Button Switches (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an operating mechanism of a leakage protector, which comprises a pedestal, a drive contact component, a driven contact component, a coil frame and a drive armature, wherein the drive contact component, the driven contact component, the coil frame and the drive armature are arranged on the pedestal; the pedestal is provided with two coaxial drive contact seat mounting holesand a fan-shaped backing stage; the drive contact component is connected with the drive contact seat mounting holes reserved on the pedestal by a drive contact seat connecting piece, and is positioned on the drive contact seat backing surface of the fan-shaped backing stage by a drive contact seat spring; and the drive contact component is connected with driven bracket mounting holes on the pedestal by a driven bracket mounting half shaft, and positions a driven bracket onto the pedestal by a driven bracket spring. The joint closing mode of the operating mechanism is rotating closing which refers to that overrunning parts of drive joints and driven joints perform shearing friction motions in closing and separation so as to realize the functions of increasing the contact areas of the joints and self-cleaning the joints and effectively improve the electrical endurance of the product.
Description
Technical field
The present invention relates to a kind of reset operation by drive button; feasible initiatively contact and passive junction closure; when flowing through leakage current, circuit board module control electromagnetic system dead electricity makes contact initiatively have the operating mechanism of creepage protection function when being separated by movable contact.
Background technology
The operating mechanism that has different types of earth leakage protective device in the market; the operating mechanism junction closure form of described earth leakage protective device is commonly level or vertical class rectilinear motion; the tripping mechanism of the leakage protecting plug described in the ZL patent code name 02218282.9 for example; in this type of tripping mechanism; directly drive snap close by iron core and pin transverse arm; because of iron core identical with the direction of motion of snap close; vertical with the transverse arm direction of motion; its risk is that iron core is stuck because of the vertical of transverse arm; and the folding in this kind tripping mechanism between the contact is apart from weak point; the form of contact is a travelling contact in this type of tripping mechanism; a travelling contact not, travelling contact moving linearly when closed is in long-term use; the easy carbon distribution of contact will be unfavorable for the electrical endurance of product.
Summary of the invention
The present invention seeks to provide a kind of simple in structure, the operating mechanism of reliable a kind of earth leakage protective device,
The present invention will solve is that the iron core of operating mechanism of existing earth leakage protective device is easily stuck, easily the short problem of carbon distribution and electrical endurance.
To achieve these goals, technical scheme of the present invention is: a kind of operating mechanism of earth leakage protective device, comprise pedestal, be located at active contact assembly on the pedestal, by moving contact component, coil rack and armature initiatively, it is characterized in that: pedestal is provided with two coaxial active contact base installing holes and the fan-shaped platform that leans on, initiatively contact assembly is connected by an active contact base installing hole that initiatively arranges on contact base connector and the pedestal, and is positioned at the described fan-shaped active contact base of platform that leans on by active contact base spring and leans on the face; Describedly by passive support semiaxis is installed by moving contact component and is connected with passive support installing hole on the pedestal, make passive support be positioned on the pedestal by passive stand spring; Be provided with a snap close in the described pedestal, with the snap close of pedestal semiaxis be installed by the snap close installing hole at snap close two ends and be connected; Be provided with a coil rack and an active armature in the described pedestal, initiatively armature is connected with pedestal by coil rack.
Described active contact assembly comprises initiatively contact base, active touch panel, an active touch panel rivet, described active contact base both sides are respectively arranged with an initiatively touch panel, be connected with the active contact base by two active touch panel rivets respectively, be respectively arranged with an initiatively contact on the described active touch panel, described active contact base is provided with an initiatively touch spring claw; Describedly comprised passive support, passive touch panel and passive touch panel rivet by moving contact component, passive support both sides are respectively arranged with a passive touch panel, be connected with passive support by a passive touch panel rivet respectively, be respectively arranged with one by movable contact on the described passive touch panel, described passive support is provided with a passive stand spring bayonet socket, and described passive stand spring is a torsion spring.
Described snap close is provided with a snap close bayonet socket, make the snap close curved guiding surface be positioned on the described active contact base by a spring, described snap close is provided with one by moving armature, by being connected with snap close by the moving armature rivet, described coil rack is connected with base wall by the muscle on the active armature.
Described snap close is provided with a latch spring installation shaft, and described pedestal is provided with a latch spring installing hole, is provided with a latch spring positioning table in the described latch spring installing hole, and described latch spring is a stage clip.
Described pedestal is provided with pedestal buckle, circuit board module, transducer standing groove and transducer is installed buckle, and pedestal is connected with wiring board square opening on the circuit board module by the pedestal buckle.
Described pedestal is provided with an initiatively contact base spring bayonet socket, and described active contact base spring is a torsion spring, describedly fan-shapedly is provided with a fan-shaped platform rib that leans on by platform.
Described circuit board module is provided with a drive button, and described active contact base and described drive button junction are provided with oval-shaped anti-skidding pit.
Described active contact base is provided with described fan-shaped long-armed by the concentric active contact base arc of platform cambered surface and described active contact installing hole, and described active contact arc is long-armed to be provided with an initiatively contact base hook.
Described snap close curved guiding surface and described tangent connection of active contact base hook, described active contact base and described when latching in initiatively contact and passive junction closure initiatively the contact base hook tangentially slip in the snap close bayonet socket.
Described circuit board module has three wiring board square openings, and described pedestal has three pedestal buckles to link to each other with described wiring board square opening, and the cross sectional shape of described transducer standing groove and transducer is identical, and described transducer is installed buckle three.Described active contact base connector is active contact base rivet.
The operating mechanism of above-mentioned earth leakage protective device, described active contact with partly done the shearing friction motion by movable contact in closure excess of stroke when separating.When active contact base couple M1＜snap close rotation couple M2, initiatively contact hook and snap close bayonet socket interlocking, contact and remained closed by movable contact initiatively, when active contact base couple M1＞snap close rotation couple M2, initiatively contact base hook and the release of snap close bayonet socket, the active contact with separated by movable contact.Electromagnetic system is made above-mentioned snap close pin initiatively contact assembly by moving armature with adhesive is above-mentioned, this moment is contact and remained closed by movable contact initiatively, when flowing through 15～30Ma leakage current when above-mentioned active contact with between by movable contact, above-mentioned electromagnetic system is dead electricity, make initiatively contact with separated by movable contact.
Advantage of the present invention is: the operating mechanism of earth leakage protective device of the present invention; its junction closure form is closed for rotating; described rotation closed for contact initiatively with by movable contact closed and when separating the excess of stroke partly make shearing friction and move; increase contact contact area and the self-cleaning effect of contact to reach, effectively improve the electrical endurance of product.
Description of drawings
Fig. 1 is exploded perspective view of the present invention.
Fig. 2 is the structural representation (front) after the present invention assembling.
The force analysis figure (A-A section) of Fig. 3 during for operating state of the present invention.
Fig. 4 is sensor card buckle structure schematic diagram of the present invention.
Fig. 5 is circuit board module buckle structure schematic diagram of the present invention.
Fig. 6 is the structural representation (back side) after the present invention assembling.
Fig. 7 is contact off-state schematic diagram of the present invention (B-B section).
Fig. 8 is contact contact condition schematic diagram of the present invention (B-B section).
Fig. 9 is contact coincidence status schematic diagram of the present invention (B-B section).
In above-mentioned figure, the 1-transducer, 2-current carrying conductor buckle, 3-is the contact base rivet initiatively, 4-latch spring installing hole, 5-is fan-shaped by the platform cambered surface, the 6-snap close is installed semiaxis, 7-initiatively contact base leans on face, 8-is fan-shaped by platform, 9-is fan-shaped by the platform rib, the passive stand spring of 10-, the passive support installing hole of 11-, the passive support of 12-is installed semiaxis, the passive support of 13-, the passive stand spring bayonet socket of 14-, 15-is the contact installing hole initiatively, the passive touch panel rivet of 16-, 17-is the contact base spring initiatively, 18-is contact base spring bayonet socket initiatively, the passive touch panel of 19-, 20-snap close installing hole, 21-be by movable contact, 22-snap close bayonet socket, 23-is contact initiatively, 24-is touch panel initiatively, and 25-is the contact base installing hole initiatively, and 26-initiatively contact arc is long-armed, 27-is contact indication platform initiatively, 28-is the touch spring claw initiatively, and 29-is contact base initiatively, and 30-is the contact base anti-slip tank initiatively, 31-is the contact base hook initiatively, 32-is the touch panel rivet initiatively, 33-snap close curved guiding surface, 34-snap close, 35-latch spring installation shaft, the 36-latch spring, 37-drive button, 38-wiring board square opening, the 39-circuit board module, 40-is armature initiatively, the muscle on the 41-active armature, 42-coil rack, 43-is by moving armature, 44-is by the moving armature rivet, 45-base wall, 46-pedestal buckle, the 47-pedestal, 48-transducer standing groove, the 49-transducer is installed buckle, and X-is the contact geometric locus initiatively, Y-is by the movable contact geometric locus, Z-junction closure line, the F1-actuating force, F2-is the active force of touch spring on the active contact initiatively, the active force of the passive stand spring of F3-on passive support, the active force of F4-latch spring on snap close, the F5-electromagnetic attraction, F6-is the active force of contact base on snap close initiatively, F7-latches in the active force on the active contact base, L1-is the acting force arm of touch spring on the active contact initiatively, the acting force arm of the passive stand spring of L2-on passive support, the acting force arm of L3-latch spring on snap close, the L4 electromagnetic attraction acts on the arm of force on the snap close, L5-latches in the acting force arm on the active contact base, and L6-is the acting force arm of contact base on snap close initiatively, and V1-is the direction of motion of contact initiatively, V2-is by the direction of motion of movable contact, ∝-excess of stroke angle, M1-is the contact base couple initiatively, M2-snap close couple.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As Fig. 1; Fig. 2; Fig. 3; Fig. 4; Fig. 5 and shown in Figure 6; the operating mechanism pedestal 47 of earth leakage protective device of the present invention is provided with two coaxial active contact base installing holes 15; one fan-shaped by platform 8; described active contact assembly; by one initiatively on contact base rivet 3 and the pedestal 47 two coaxial active contact base installing holes 15 of setting be connected; and be positioned at described fan-shaped by on the platform 8 by active contact base spring 17; described active contact assembly comprises an initiatively contact base 29; described active contact base 29 both sides are respectively arranged with an initiatively touch panel 24; be connected with active contact base 29 by two active touch panel rivets 32 respectively; be respectively arranged with an initiatively contact 23 on the described active touch panel 24; described pedestal 47 is provided with one by moving contact component; describedly comprised a passive support 13 by moving contact component; by the passive support at passive support 13 two ends semiaxis 12 being installed is connected with two passive support installing holes 11 on the pedestal 47; it is described fan-shaped by on the platform rib 9 to make that by passive stand spring 10 passive support 13 is positioned at; described passive support 13 both sides are respectively arranged with a passive touch panel 19; be connected with passive support 13 by two passive touch panel rivets 16 respectively; be respectively arranged with one by movable contact 21 on the described passive touch panel 19; be provided with a snap close 34 in the described pedestal 47; with the snap close on the pedestal 47 semiaxis 6 being installed by the snap close installing hole 20 at snap close two ends is connected; described snap close 34 is provided with a snap close bayonet socket 22; make snap close curved guiding surface 33 be positioned on the described active contact base 29 by a latch spring 36; described snap close 34 is provided with one by moving armature 43; by being connected with snap close 34 by moving armature rivet 44; described pedestal 47; be provided with an electromagnetic system; be provided with a coil rack 42 in the described electromagnetic system; described coil rack 42 is provided with an initiatively armature 40; muscle 41 on the described active armature is connected with base wall 45; described pedestal 47 is connected by the wiring board square opening 38 of pedestal buckle 46 and circuit board module 39; described pedestal 47 is provided with transducer standing groove 48 and transducer is installed buckle 49; described circuit board module 39 is provided with a drive button 37; when drive button 37 drives above-mentioned active contact assembly; make initiatively contact 23 and by after movable contact 21 closures; above-mentioned electromagnetic system is made above-mentioned snap close bayonet socket 22 pin initiatively contact base hooks 31 by moving armature 43 with adhesive is above-mentioned; this moment is contact 23 and remained closed by movable contact 21 initiatively; when flowing through 15～30Ma leakage current when above-mentioned active contact 23 with between by movable contact 21; above-mentioned electromagnetic system is dead electricity, make initiatively contact 23 with separated by movable contact 21.
As shown in Figure 1, initiatively contact base 29 is provided with an initiatively touch spring claw 28, described pedestal 47 is provided with an initiatively contact base spring bayonet socket 18, described active contact base spring 17 is a torsion spring, described passive support 13 is provided with a passive stand spring bayonet socket 14, the described fan-shaped platform 8 that leans on is provided with a fan-shaped platform rib 9 that leans on, described passive stand spring 10 is a torsion spring, described snap close 34 is provided with a latch spring installation shaft 35, described pedestal 47 is provided with a latch spring installing hole 4, be provided with a latch spring positioning table in the described latch spring installing hole 4, described latch spring 36 is a stage clip.
As Fig. 3 be earth leakage protective device operating mechanism in working order the time force analysis figure; form excess of stroke angle ∝ on active contact 4 and the pedestal 47 this moment; straight line Z is the junction closure line; initiatively the path curves of contact 23 is the X line; be the Y line by the path curves of movable contact 21; initiatively the direction of motion of contact 23 is V1 in this state; be V2 by the direction of motion of movable contact 21; because of under the effect of active contact base spring 17 and passive stand spring 10, in active contact 23 and the ∝ excess of stroke angular region of being separated by movable contact 21, will do along active contact 23 and cut the direction fricting movement mutually by the junction closure line Z direction of movable contact 21.Otherwise also will go into this kind fricting movement when closed by movable contact 21 at active contact 23.
In Fig. 3 state, active contact base hook 31 and snap close bayonet socket 22 planes overlapping, and pass the initiatively axle center of contact base installing hole 25.Initiatively contact base spring 17 will apply power F2 at active contact base 29 in this state, passive stand spring 10 applies power F3 at passive support, latch spring 36 applies power F4 at snap close, initiatively armature 40 is being applied power F5 by moving armature 43, and indirectly by being applied power F5 by moving armature 43 at snap close 34, in this state, active contact base couple M1=F7*L5=F2*L1+F3*L2, snap close couple M2=F6*L6=F4*L3+F5*L4.When M1＜M2, contact 23 and will be remained closed by movable contact 21 initiatively, 15～30Ma leakage current is arranged through out-of-date when active contact 23 with by movable contact 21 places, circuit board module 39 will be controlled the electromagnetic system dead electricity, thereby make active armature 40 at the power F5=0 that is applied by moving armature 43, cause M1＞M2, so initiatively contact base hook 31 and 22 releases of snap close bayonet socket, initiatively contact 23 with will be separated by movable contact 21.
As Fig. 4 with as among Fig. 5, described circuit board module has three wiring board square openings 38, and described pedestal 47 has three pedestal buckles 46 to link to each other with described wiring board square opening 38.The cross sectional shape of described transducer standing groove 48 and transducer is identical, and described transducer is installed buckle 49 three.
As shown in Figure 7; the operating mechanism of this earth leakage protective device is when being in off-state; drive knob 37 and be no active force state; this moment, initiatively contact base 29 was positioned fan-shaped leaning on the platform cambered surface 5 under the effect of active contact base spring 17; passive support 13 is positioned on the pedestal 47 under passive stand spring 10 effects; snap close 34 latch spring 36 and initiatively under the effect of contact base hook 31 snap close curved guiding surface 33 will with active contact base hook 31 tangent location; because of active contact base couple M1＞snap close couple M2; therefore initiatively contact 23 and will be in stable released state by movable contact 21, this moment, electromagnetic system was in power failure state.
In Fig. 8 contact contact condition, apply power F1 at driving knob 37 this moment, and drive initiatively contact base 29 motions, and active this moment contact assembly is being that the axle center rotates with active contact base installing hole 15.Because of active contact base long-armed 26 with fan-shaped be concentric by platform cambered surface 5, so initiatively contact hook 31 enters reliably in the fan-shaped gap of leaning on platform 8 and snap close 34 formation and can not produce interference along snap close curved guiding surface 33 tangent.When active contact 23 when being contacted by movable contact 21, initiatively contact assembly will drive passive support 13 motions, electromagnetic system will be worked at this moment.
Be in the contact coincidence status as Fig. 9, continue apply power in drive button 37 this moment, and initiatively contact assembly motion of driving, passive support 13 and pedestal 47 will form the excess of stroke angle ∝ this moment, when active contact base hook 31 enters in the snap close bayonet socket 22 fully, latch spring 36 will make contact and adhesive with armature 40 initiatively by moving armature 43 on the snap close, this moment M1＜M2, therefore active contact 23 and will be kept closed by movable contact 21.
Further, when passing through 15～30Ma leakage current when active contact 23 with between by movable contact 21, electromagnetic system is with dead electricity, and the operating mechanism of earth leakage protective device will be got back to the state of Fig. 7.
Claims (9)
1. the operating mechanism of an earth leakage protective device, comprise pedestal, be located at active contact assembly on the pedestal, by moving contact component, coil rack and armature initiatively, it is characterized in that: pedestal is provided with two coaxial active contact base installing holes and the fan-shaped platform that leans on, initiatively contact assembly is connected by an active contact base installing hole that initiatively arranges on contact base connector and the pedestal, and is positioned at the described fan-shaped active contact base of platform that leans on by active contact base spring and leans on the face; Describedly by passive support semiaxis is installed by moving contact component and is connected with passive support installing hole on the pedestal, make passive support be positioned on the pedestal by passive stand spring; Be provided with a snap close in the described pedestal, with the snap close of pedestal semiaxis be installed by the snap close installing hole at snap close two ends and be connected; Be provided with a coil rack and an active armature in the described pedestal, initiatively armature is connected with pedestal by coil rack.
2. the operating mechanism of earth leakage protective device according to claim 1, it is characterized in that: described active contact assembly comprises initiatively contact base, active touch panel, an active touch panel rivet, described active contact base both sides are respectively arranged with an initiatively touch panel, be connected with the active contact base by two active touch panel rivets respectively, be respectively arranged with an initiatively contact on the described active touch panel, described active contact base is provided with an initiatively touch spring claw; Describedly comprised passive support, passive touch panel and passive touch panel rivet by moving contact component, passive support both sides are respectively arranged with a passive touch panel, be connected with passive support by a passive touch panel rivet respectively, be respectively arranged with one by movable contact on the described passive touch panel, described passive support is provided with a passive stand spring bayonet socket, and described passive stand spring is a torsion spring.
3. the operating mechanism of earth leakage protective device according to claim 2 is characterized in that described snap close makes the snap close curved guiding surface be positioned on the described active contact base by a latch spring; Described active contact base is provided with described fan-shaped long-armed by the concentric active contact base arc of platform and described active contact installing hole, described active contact base arc is long-armed to be provided with an initiatively contact base hook, described snap close is provided with one by moving armature, by being connected with snap close by the moving armature rivet, described coil rack is connected with base wall by the muscle on the active armature.
4. the operating mechanism of earth leakage protective device according to claim 1; it is characterized in that described snap close is provided with a latch spring installation shaft; described pedestal is provided with a latch spring installing hole; be provided with a latch spring positioning table in the described latch spring installing hole, described latch spring is a stage clip.
5. the operating mechanism of earth leakage protective device according to claim 1; it is characterized in that: described pedestal is provided with pedestal buckle, circuit board module, transducer standing groove and transducer is installed buckle, and pedestal is connected with wiring board square opening on the circuit board module by the pedestal buckle.
6. the operating mechanism of earth leakage protective device according to claim 1; it is characterized in that: described pedestal is provided with an initiatively contact base spring bayonet socket; described active contact base spring is a torsion spring, described fan-shaped by platform be provided with one fan-shaped by the platform rib.
7. the operating mechanism of earth leakage protective device according to claim 5, it is characterized in that: described circuit board module is provided with a drive button, and described active contact base and described drive button junction are provided with oval-shaped anti-skidding pit.
8. the operating mechanism of earth leakage protective device according to claim 3; it is characterized in that: described snap close curved guiding surface and described tangent connection of active contact base hook, described active contact base and described when latching in initiatively contact and passive junction closure initiatively the contact base hook tangentially slip in the snap close bayonet socket.
9. the operating mechanism of earth leakage protective device according to claim 5, it is characterized in that: described circuit board module has three wiring board square openings, described pedestal has three pedestal buckles to link to each other with described wiring board square opening, the cross sectional shape of described transducer standing groove and transducer is identical, and described transducer is installed buckle three; Described active contact base connector is active contact base rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010295305 CN101964284B (en) | 2010-09-27 | 2010-09-27 | Operating mechanism of leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010295305 CN101964284B (en) | 2010-09-27 | 2010-09-27 | Operating mechanism of leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101964284A CN101964284A (en) | 2011-02-02 |
| CN101964284B true CN101964284B (en) | 2013-10-02 |
Family
ID=43517125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010295305 Active CN101964284B (en) | 2010-09-27 | 2010-09-27 | Operating mechanism of leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101964284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015002012A (en) * | 2013-06-13 | 2015-01-05 | パナソニックＩｐマネジメント株式会社 | Contact device and circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240782Y (en) * | 1995-01-27 | 1996-11-20 | 吴文山 | Structure improved leakage protector for power source |
| CN2636404Y (en) * | 2003-08-08 | 2004-08-25 | 郑春开 | Electrical leakage protector |
| CN101388508A (en) * | 2008-10-08 | 2009-03-18 | 章祖德 | Oscillating arm type tripolar on-off apparatus for leakage protecting plug |
| CN201294206Y (en) * | 2008-11-17 | 2009-08-19 | 乐清市东科电气有限公司 | Creepage protector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07262895A (en) * | 1994-02-01 | 1995-10-13 | Yamada Denki Seizo Kk | Thermal protector |
-
2010
- 2010-09-27 CN CN 201010295305 patent/CN101964284B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240782Y (en) * | 1995-01-27 | 1996-11-20 | 吴文山 | Structure improved leakage protector for power source |
| CN2636404Y (en) * | 2003-08-08 | 2004-08-25 | 郑春开 | Electrical leakage protector |
| CN101388508A (en) * | 2008-10-08 | 2009-03-18 | 章祖德 | Oscillating arm type tripolar on-off apparatus for leakage protecting plug |
| CN201294206Y (en) * | 2008-11-17 | 2009-08-19 | 乐清市东科电气有限公司 | Creepage protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101964284A (en) | 2011-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7170375B2 (en) | Permanent-magnet ground fault circuit interrupter plug and its permanent-magnet mechanism therein | |
| CN102611071B (en) | Electric leakage detecting protecting circuit with magnetic locking mechanism | |
| CN104867785A (en) | Permanent magnetic contactor with breaking protection device | |
| CN101964284B (en) | Operating mechanism of leakage protector | |
| CN105788976B (en) | A kind of earth leakage protective device | |
| CN103490193B (en) | docking device | |
| CN102498538A (en) | Remote control device and remote-controlled circuit breaker including such a device | |
| CN101685714B (en) | Electric switch | |
| CN201263014Y (en) | Creepage protecting socket with reverse wire connection protection function | |
| CN202905517U (en) | Locking device for circuit breaker | |
| CN213692438U (en) | Alternative sliding type patch board protection door | |
| CN106384698A (en) | Low-voltage distributed power supply grid connecting switch | |
| CN206598302U (en) | Security activity bindiny mechanism and robot | |
| CN117374676B (en) | Guide rail extension socket capable of realizing self-breaking and fault breaking control method | |
| CN106876220B (en) | Thermal overload alarm non-tripping device of circuit breaker | |
| CN207938546U (en) | A kind of earth leakage protective tripping mechanism of breaker | |
| CN205828324U (en) | The resetting-mechanism of breaker for device | |
| CN220731424U (en) | Anti-touch structure for plug-in circuit breaker and plug-in circuit breaker | |
| CN208111384U (en) | Omnipotent breaker | |
| CN215299169U (en) | Rotary maintaining type leakage protector | |
| CN208077919U (en) | A kind of trip gear of breaker | |
| EP3961669A1 (en) | Relay coil assembly | |
| CN216624166U (en) | Tripping force amplification mechanism and electric equipment | |
| CN201766237U (en) | Magnet type incorrect circuit connection reverse starting device of GFCI socket | |
| CN215452770U (en) | Safety output protection device applied to film coating power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314001, No. 1438, Chong Chong Road, Xiuzhou Industrial Park, Xiuzhou District, Zhejiang, Jiaxing Patentee after: LUCECO ELECTRIC (JIAXING) Co.,Ltd. Address before: 314001, No. 1438, Chong Chong Road, Xiuzhou Industrial Park, Xiuzhou District, Zhejiang, Jiaxing Patentee before: NEX electric (Jiaxing) Co.,Ltd. |