CN101901724B - Moulded case circuit breaker - Google Patents
Moulded case circuit breaker Download PDFInfo
- Publication number
- CN101901724B CN101901724B CN 200910263031 CN200910263031A CN101901724B CN 101901724 B CN101901724 B CN 101901724B CN 200910263031 CN200910263031 CN 200910263031 CN 200910263031 A CN200910263031 A CN 200910263031A CN 101901724 B CN101901724 B CN 101901724B
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- torsion spring
- sensitive switch
- mount pad
- rotating shaft
- frizzen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a moulded case circuit breaker comprising a base and an upper cover. A wiring terminal assembly, a contact system and an operating mechanism are arranged in the base; the operating mechanism comprises an operating handle; the top of the upper cover is provided with an operating panel; and the operating panel of the upper cover is provided with at least one mounting opening and a cover plate used for covering the mounting opening. In the invention, a switching on/off monitoring device and an electromagnetic shunt release device can be selectively installed or detached without detaching the upper cover.
Description
Technical field
The invention belongs to the low tension switch technical field, be specifically related to a kind of breaker of plastic casing.
Background technology
Existing breaker of plastic casing includes base and loam cake, is provided with connecting terminal components, contact system, operating mechanism and common tripping mechanism in the described base; What have also is provided with the divide-shut brake mechanism for monitoring and is used for remote-operated electromagnetism shunted exciter tripping mechanism.
In general, the user is different, to the circuit breaker internal structure require differently, in order to reduce cost and to increase the convenience of selecting, modular breaker of plastic casing becomes present a kind of development trend.
Modular breaker of plastic casing, generally be the function according to separately, the functional parts such as electromagnetism shunted exciter tripping mechanism, circuit board, divide-shut brake mechanism for monitoring made independent parts, and in base, stay in advance the installation site, the user needs any function, just corresponding module is installed into.But, existing Modularized molded-case circuit breaker, the installation of its function element and dismounting all need to pull down first loam cake, then divide-shut brake mechanism for monitoring or electromagnetism shunt opening element could be installed into, its operation is not only comparatively loaded down with trivial details, also easily damages inner member in unloading process.
Summary of the invention
The purpose of this invention is to provide a kind of loam cake that need not to dismantle, i.e. the breaker of plastic casing of installation or removal divide-shut brake monitoring device and electromagnetic shunt excitation tripping device optionally.
The technical scheme that realizes the object of the invention is: a kind of breaker of plastic casing comprises base and loam cake; Be provided with connecting terminal components, contact system and operating mechanism in the described base; Described operating mechanism comprises operating grip; The top of described loam cake is provided with guidance panel; The guidance panel of described loam cake is provided with at least one installing port and is used for the cover plate of this installing port of capping.
In the technique scheme, be provided with mount pad in the described base, the installing port of described guidance panel faces described mount pad setting.
In the technique scheme, be provided with slideway between the installing port of described guidance panel and the corresponding mount pad.
In the technique scheme, described guidance panel is provided be used to the action groove of pulling operating grip, and described installing port is positioned at the one or both sides of described action groove.
In the technique scheme, be provided with electromagnetic shunt excitation tripping device or divide-shut brake checkout gear in the described mount pad, and described electromagnetic shunt excitation tripping device or divide-shut brake checkout gear are put into described mount pad can the installing port from described guidance panel or are taken out from described mount pad.
In the technique scheme, described electromagnetic shunt excitation tripping device or divide-shut brake checkout gear are provided with feet; Be provided with support slot in the described mount pad, described feet matches with the shape of described support slot.
In the technique scheme, feet described or the divide-shut brake checkout gear is arranged on the outwardly boss of its two bottom sides end, states each boss and is entrenched in the corresponding support slot.
In the technique scheme, described electromagnetic shunt excitation tripping device comprises plastic base and electromagnetic trip element; Described electromagnetic trip element comprises metallic support, solenoid, moving iron core, actuating strut, rotating shaft and torsion spring; The top of described actuating strut is that the middle part of the Access Division that is provided with the U-shaped breach, described actuating strut is that the bottom of the installation portion that is provided with axis hole, described actuating strut is the operating member that is provided with push rod; Described Access Division is fastened on the moving iron core by the U-shaped breach, and described installation portion is arranged on the metallic support by the rotating shaft of passing axis hole, and described torsion spring set is located in the described rotating shaft, and an end of described torsion spring is against on the described actuating strut, and the other end is against on the metallic support; Described actuating strut is along with moving unshakable in one's determination moving back and forth and can do reciprocating rotation in the certain angle scope.
In the technique scheme, also be provided with sensitive switch on the plastic base of described electromagnetic shunt excitation tripping device, be used for triggering frizzen, the rotating shaft of sensitive switch and being used to frizzen that the torsion spring of reseting elasticity is provided; Described sensitive switch is arranged on the below, bottom of metallic support, and described rotating shaft is arranged on the sensitive switch below; Described frizzen comprises that being against described sensitive switch triggers trigger end on the handle, is provided with the middle-end of axis hole and is used for bearing the force side of external force; The middle-end of described frizzen and torsion spring set are located in the described rotating shaft, and one section of described torsion spring is against on the described frizzen, and the other end is against on the plastic base; The trigger end of described frizzen is being against on the triggering handle of described sensitive switch under the elastic force effect of torsion spring.
In the technique scheme, described divide-shut brake checkout gear comprises plastic base and is fixed on sensitive switch on the pedestal, rotating shaft, torsion spring and is used for triggering the triggering part of described sensitive switch; Described rotating shaft is arranged on the sensitive switch below; Described triggering part comprises trigger end, be provided with the middle-end of axis hole and be used for bearing the force side of external force; The middle-end of described triggering part and torsion spring set are located in the described rotating shaft; The trigger end of described triggering part is being against under the elastic force effect of torsion spring on the triggering handle of described sensitive switch; Described sensitive switch is vertical the setting, and described triggering handle is positioned at the sensitive switch bottom.
The present invention has positive effect: among (1) the present invention, the described guidance panel of stating loam cake is provided with at least one installing port and is used for the cover plate of this installing port of capping, and described cover plate can be selected Screw or directly be fixed on to cover in practice; The present invention in use, only need to dismantle first lower cover, expose installing port, i.e. optionally installation or removal divide-shut brake monitoring device and electromagnetic shunt excitation tripping device, it is simple and quick, and owing to need not to open loam cake, can not touch other inner member, so can not cause damage to other inner members.
(2) among the present invention, the mount pad that default promising divide-shut brake monitoring device and electromagnetic shunt excitation tripping device are prepared in the described base, the installing port of described guidance panel faces described mount pad setting; After opening cover plate, disposable can installation or removal putting in place avoided the installation or removal operation of loaded down with trivial details property.
(3) among the present invention, described guidance panel is provided be used to the action groove of pulling operating grip, and described installing port is positioned at the one or both sides of described action groove; This structure can be installed two kinds of functional module device simultaneously in a breaker of plastic casing, for example divide-shut brake monitoring device and electromagnetic shunt excitation tripping device are convenient to satisfy user's demand.
Description of drawings
Fig. 1 is a kind of perspective view of the present invention;
Fig. 2 is a kind of decomposition texture schematic diagram of breaker of plastic casing shown in Figure 1;
Fig. 3 is a kind of perspective view of base in the described breaker of plastic casing of Fig. 1;
The perspective view of Fig. 4 when to be base shown in Figure 3 from another angle observe;
Fig. 5 is a kind of perspective view of electromagnetic shunt excitation tripping device in the breaker of plastic casing shown in Figure 1;
A kind of perspective view of Fig. 6 when to be electromagnetic shunt excitation tripping device shown in Figure 5 from another angle observe;
Fig. 7 is a kind of cutaway view of electromagnetic shunt excitation tripping device shown in Figure 5;
Fig. 8 is a kind of perspective view of divide-shut brake checkout gear in the breaker of plastic casing shown in Figure 1;
A kind of perspective view of Fig. 9 when to be divide-shut brake checkout gear shown in Figure 8 from another angle observe;
Figure 10 is a kind of cutaway view of divide-shut brake checkout gear shown in Figure 8.
Be labeled as shown in the accompanying drawing: base 1, mount pad 11, support slot 111, slideway 12, loam cake 2, guidance panel 21, installing port 22, cover plate 23, action groove 24, electromagnetic shunt excitation tripping device 3, plastic base 31, electromagnetic trip element 32, metallic support 321, solenoid 322, moving iron core 323, actuating strut 324, Access Division 3241, installation portion 3242, operating member 3243, rotating shaft 325, torsion spring 326, sensitive switch 33, frizzen 34, trigger end 341, middle-end 342, force side 343, rotating shaft 35, torsion spring 36, divide-shut brake checkout gear 4, plastic base 41, sensitive switch 42 triggers handle 421, rotating shaft 43, torsion spring 44 triggers part 45, trigger end 451, middle-end 452, force side 453, operating mechanism 5, operating grip 51, feet 6.
Embodiment
(embodiment 1)
Fig. 1 to Figure 10 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of perspective view of the present invention; Fig. 2 is a kind of decomposition texture schematic diagram of breaker of plastic casing shown in Figure 1; Fig. 3 is a kind of perspective view of base in the described breaker of plastic casing of Fig. 1; The perspective view of Fig. 4 when to be base shown in Figure 3 from another angle observe; Fig. 5 is a kind of perspective view of electromagnetic shunt excitation tripping device in the breaker of plastic casing shown in Figure 1; A kind of perspective view of Fig. 6 when to be electromagnetic shunt excitation tripping device shown in Figure 5 from another angle observe; Fig. 7 is a kind of cutaway view of electromagnetic shunt excitation tripping device shown in Figure 5; Fig. 8 is a kind of perspective view of divide-shut brake checkout gear in the breaker of plastic casing shown in Figure 1; A kind of perspective view of Fig. 9 when to be divide-shut brake checkout gear shown in Figure 8 from another angle observe; Figure 10 is a kind of cutaway view of divide-shut brake checkout gear shown in Figure 8.
The present embodiment is a kind of breaker of plastic casing, sees Fig. 1 to Fig. 2, comprises base 1 and loam cake 2; Be provided with connecting terminal components, contact system and operating mechanism 5 in the described base 1; Described operating mechanism 5 comprises operating grip 51; The top of described loam cake 2 is provided with guidance panel 21; Described guidance panel 21 is provided be used to the action groove 24 of pulling operating grip 51,
The guidance panel 21 of described loam cake 2 is provided with two installing ports 22 and a cover plate 23 that is used for the described installing port 22 of capping, and described installing port 22 is positioned at the both sides of described action groove 24.
See Fig. 3 and Fig. 4, be provided with in the described base 1 as the fixedly mount pad 11 of divide-shut brake monitoring device 4 and electromagnetic shunt excitation tripping device 3 is installed, the installing port 22 of described guidance panel 21 faces described mount pad 11 and arranges.
Be provided with electromagnetic shunt excitation tripping device 3 and divide-shut brake checkout gear 4 in the described mount pad 11, and described electromagnetic shunt excitation tripping device 3 or divide-shut brake checkout gear 4 are put into described mount pad 11 can the installing port 22 from described guidance panel 21 or are taken out from described mount pad 11.For the ease of installation and removal, can be provided with slideway 12 between the installing port 22 of described guidance panel 21 and the corresponding mount pad 11, so that electromagnetic shunt excitation tripping device 3 and divide-shut brake checkout gear 4 insert and can correctly be in place along slideway 12, be beneficial to the simplification fitting operation.
See Fig. 5 to Figure 10, described electromagnetic shunt excitation tripping device 3 or described divide-shut brake checkout gear 4 are provided with feet 6; Be provided with support slot 111 in the described mount pad 11, described feet 6 matches with the shape of described support slot 111.Described 3 or the feet 6 of divide-shut brake checkout gear 4 be arranged on the outwardly boss of its two bottom sides end, state each boss and be entrenched in the corresponding support slot 111.
See Fig. 5 to Fig. 7, described electromagnetic shunt excitation tripping device 3 comprises plastic base 31 and electromagnetic trip element 32; Described electromagnetic trip element 32 comprises metallic support 321, solenoid 322, moving iron core 323, actuating strut 324, rotating shaft 325 and torsion spring 326; The top of described actuating strut 324 is that the Access Division 3241 that is provided with the U-shaped breach, the middle part of described actuating strut 324 are that the installation portion 3242 that is provided with axis hole, the bottom of described actuating strut 324 are the operating members 3243 that are provided with push rod; Described Access Division 3241 is fastened on moving unshakable in one's determination 323 by the U-shaped breach, described installation portion 3242 is arranged on the metallic support 321 by the rotating shaft 325 of passing axis hole, described torsion spring 326 is set in the described rotating shaft 325, one end of described torsion spring 326 is against on the described actuating strut 324, and the other end is against on the metallic support 321; Described actuating strut 324 is along with moving iron core 323 moves back and forth and can do reciprocating rotation in the certain angle scope.
In the present embodiment, also be provided with sensitive switch 33 on the plastic base 31 of described electromagnetic shunt excitation tripping device 3, be used for triggering frizzen 34, the rotating shaft 35 of sensitive switch 33 and being used to frizzen 34 that the torsion spring 36 of reseting elasticity is provided; Described sensitive switch 33 is arranged on the below, bottom of metallic support 321, and described rotating shaft 35 is arranged on sensitive switch 33 belows; Described frizzen 34 comprises that being against described sensitive switch 33 triggers trigger end 341 on the handles, is provided with the middle-end 342 of axis hole and is used for bearing the force side 343 of external force; The middle-end 342 of described frizzen 34 and torsion spring 36 are set in the described rotating shaft 35, and one section of described torsion spring 36 is against on the described frizzen 34, and the other end is against on the plastic base 31; The trigger end 341 of described frizzen 34 is being against on the triggering handle of described sensitive switch 33 under the elastic force effect of torsion spring 36.
The force side 343 of described frizzen 34 can be driven and rotate by moving contact rack in the base; when circuit breaker is in off-state; the moving contact rack of circuit breaker drives frizzen 34 makes the contact of sensitive switch be in off-state; thereby cut off the power circuit in the coil 322; at this moment; be conducive to protect solenoid 322, guarantee its working life.
See Fig. 8 to Figure 10, described divide-shut brake checkout gear 4 comprises plastic base 41 and is fixed on sensitive switch 42, rotating shaft 43, the torsion spring 44 on the pedestal 41 and is used for triggering the triggering part 45 of described sensitive switch 42; Described rotating shaft 43 is arranged on sensitive switch 42 belows; Described triggering part 45 comprises trigger end 451, be provided with the middle-end 452 of axis hole and be used for bearing the force side 453 of external force; The middle-end 452 of described triggering part 45 and torsion spring 44 are set in the described rotating shaft 43; The trigger end 451 of described triggering part 45 is being against under the elastic force effect of torsion spring 44 on the triggering handle 421 of described sensitive switch 42; Described sensitive switch 42 is vertical the setting, and described triggering handle 421 is positioned at sensitive switch 42 bottoms.In concrete practice, the stress surface of the force side 453 of described triggering part 45 preferably adopts arcwall face.
The force side 453 of described triggering part 45 can be driven and rotate by moving contact rack in the base, makes its trigger end 451 trigger sensitive switch 42, thereby gives the signal of separating brake of external intelligent monitoring circuit or combined floodgate.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (4)
1. a breaker of plastic casing comprises base (1) and loam cake (2); Be provided with connecting terminal components, contact system and operating mechanism (5) in the described base (1); Described operating mechanism (5) comprises operating grip (51); The top of described loam cake (2) is provided with guidance panel (21);
It is characterized in that: the guidance panel (21) of described loam cake (2) is provided with at least one installing port (22) and is used for the cover plate (23) of this installing port of capping (22); Be provided with mount pad (11) in the described base (1), the installing port (22) of described guidance panel (21) faces described mount pad (11) setting; Be provided with electromagnetic shunt excitation tripping device (3) in the described mount pad (11), and described electromagnetic shunt excitation tripping device (3) is put into described mount pad (11) can the installing port (22) from described guidance panel (21) or is taken out from described mount pad (11); Described electromagnetic shunt excitation tripping device (3) is provided with feet (6); Be provided with support slot (111) in the described mount pad (11), described feet (6) matches with the shape of described support slot (111); The feet (6) of described electromagnetic shunt excitation tripping device (3) is arranged on the outwardly boss of its two bottom sides end, and described each boss is entrenched in the corresponding support slot (111); Described electromagnetic shunt excitation tripping device (3) comprises plastic base (31) and electromagnetic trip element (32); Described electromagnetic trip element (32) comprises metallic support (321), solenoid (322), moving (323), actuating strut (324) unshakable in one's determination, rotating shaft (325) and torsion spring (326); The top of described actuating strut (324) is that the middle part of the Access Division (3241) that is provided with the U-shaped breach, described actuating strut (324) is that the bottom of the installation portion (3242) that is provided with axis hole, described actuating strut (324) is the operating member (3243) that is provided with push rod; Described Access Division (3241) is fastened on moving (323) unshakable in one's determination by the U-shaped breach, described installation portion (3242) is arranged on the metallic support (321) by the rotating shaft (325) of passing axis hole, described torsion spring (326) is set in the described rotating shaft (325), one end of described torsion spring (326) is against on the described actuating strut (324), and the other end is against on the metallic support (321); Described actuating strut (324) is along with moving moving back and forth of (323) unshakable in one's determination can be done reciprocating rotation in the certain angle scope.
2. breaker of plastic casing according to claim 1 is characterized in that: be provided with slideway (12) between the installing port (22) of described guidance panel (21) and the corresponding mount pad (11).
3. breaker of plastic casing according to claim 1, it is characterized in that: described guidance panel (21) is provided be used to the action groove (24) of pulling operating grip (51), and described installing port (22) is positioned at the one or both sides of described action groove (24).
4. breaker of plastic casing according to claim 1 is characterized in that: also be provided with sensitive switch (33) on the plastic base (31) of described electromagnetic shunt excitation tripping device (3), be used for triggering frizzen (34), the rotating shaft (35) of sensitive switch (33) and being used to frizzen (34) that the torsion spring (36) of reseting elasticity is provided; Described sensitive switch (33) is arranged on the below, bottom of metallic support (321), and described rotating shaft (35) is arranged on sensitive switch (33) below; Described frizzen (34) comprises that being against described sensitive switch (33) triggers trigger end (341) on the handle, is provided with the middle-end (342) of axis hole and is used for bearing the force side (343) of external force; The middle-end (342) of described frizzen (34) and torsion spring (36) are set in the described rotating shaft (35), and one section of described torsion spring (36) is against on the described frizzen (34), and the other end is against on the plastic base (31); The trigger end (341) of described frizzen (34) is being against on the triggering handle of described sensitive switch (33) under the elastic force effect of torsion spring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910263031 CN101901724B (en) | 2009-12-15 | 2009-12-15 | Moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910263031 CN101901724B (en) | 2009-12-15 | 2009-12-15 | Moulded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901724A CN101901724A (en) | 2010-12-01 |
| CN101901724B true CN101901724B (en) | 2013-01-16 |
Family
ID=43227170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910263031 Expired - Fee Related CN101901724B (en) | 2009-12-15 | 2009-12-15 | Moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101901724B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675655A (en) * | 2012-09-06 | 2014-03-26 | 苏州工业园区新宏博通讯科技有限公司 | Non-contact detection device |
| CN104319204B (en) * | 2014-11-10 | 2017-02-15 | 德力西电气有限公司 | Closing preventing device for breaker |
| CN104377557B (en) * | 2014-11-28 | 2016-09-14 | 鹤山市辉域成套设备有限公司 | A kind of miniature circuit breaker mounting seat |
| CN108257823A (en) * | 2017-12-12 | 2018-07-06 | 华通机电股份有限公司 | A kind of cover assembly of breaker of plastic casing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788621A (en) * | 1987-12-16 | 1988-11-29 | General Electric Company | Molded case circuit breaker multiple accessory unit |
| US5252937A (en) * | 1990-08-09 | 1993-10-12 | General Electric Company | Molded case circuit breaker modular bell alarm unit |
| CN1188977A (en) * | 1996-12-25 | 1998-07-29 | 株式会社日立制作所 | Circuit breaker |
| CN2510987Y (en) * | 2001-10-18 | 2002-09-11 | 严洪启 | Shunt release of circuit breaker |
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201663121U (en) * | 2009-12-15 | 2010-12-01 | 浙江森泰电器厂 | Moulded case circuit breaker |
-
2009
- 2009-12-15 CN CN 200910263031 patent/CN101901724B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788621A (en) * | 1987-12-16 | 1988-11-29 | General Electric Company | Molded case circuit breaker multiple accessory unit |
| US5252937A (en) * | 1990-08-09 | 1993-10-12 | General Electric Company | Molded case circuit breaker modular bell alarm unit |
| CN1188977A (en) * | 1996-12-25 | 1998-07-29 | 株式会社日立制作所 | Circuit breaker |
| CN2510987Y (en) * | 2001-10-18 | 2002-09-11 | 严洪启 | Shunt release of circuit breaker |
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201663121U (en) * | 2009-12-15 | 2010-12-01 | 浙江森泰电器厂 | Moulded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101901724A (en) | 2010-12-01 |
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Granted publication date: 20130116 Termination date: 20131215 |