CN104779129A - Circuit breaker with double-layer cascade structure - Google Patents
Circuit breaker with double-layer cascade structure Download PDFInfo
- Publication number
- CN104779129A CN104779129A CN201510181753.1A CN201510181753A CN104779129A CN 104779129 A CN104779129 A CN 104779129A CN 201510181753 A CN201510181753 A CN 201510181753A CN 104779129 A CN104779129 A CN 104779129A
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- China
- Prior art keywords
- pole
- circuit breaker
- pedestal
- fixed contact
- contact
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
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Abstract
The invention discloses a circuit breaker with a double-layer cascade structure. The circuit breaker with the double-layer cascade structure comprises an L-shaped stationary contact (7) and a base (10), wherein the stationary contact (7) comprises a contact part (714) and a cascade part (712), and is fixedly mounted on the base (10); the contact part (714) is positioned on an upper layer of the base (10); the cascade part (712) is positioned on a lower layer of the base (10), so that the double-layer cascade structure is realized. By virtue of the double-layer cascade structure, the contact resistance can be reduced, a cascade point which is most beneficial to a conductive loop is selected, the cascade function of the design can be ensured under the condition of short circuit, the insulation level can be improved in a cascade mode, and the appearance size of the circuit breaker is smaller.
Description
Technical field
The present invention relates to field of circuit breakers, be specifically related to a kind of low-voltage direct circuit breaker adopting double-deck pole to connect structure.
Background technology
Since entering the new century, solar photovoltaic industry has become one of world today's new industry of greatest concern, photovoltaic generation does not need raw material, without gas discharging, belong to " green " industry, the feature such as have pollution-free, safety, long-life, maintenance is simple, resource is never exhausted and resource distribution is extensive, is considered to 21 century most important new forms of energy, can be widely used in space flight, communication, the energy, agricultural, communal facility, traffic and private residence etc.
Along with new forms of energy Industry Quick Development; DC techniques is subject to applying more and more widely thereupon; particularly the operating voltage of solar power system is more and more higher; its operating voltage can reach 1000 volts usually; moreover solar power generation is general all in the more severe desert of environment or meagrely-populated place, proposes harsher requirement to the insulation of circuit breaker.While country widelys popularize New Energy Industry, propose energy-saving and cost-reducing index, energy-saving and cost-reducing for low-voltage circuit breaker is also a very important job.Therefore the circuit breaker of rated operational voltage low and high energy consumption can not meet the demand of user Geng Gao completely.
Traditionally, for the rated operational voltage improving DC circuit breaker adopts the mode of inside or outside pole connection usually, namely higher operating voltage is realized by multibreak.The pole connection mode that Vehicles Collected from Market adopts mostly is in an aspect, so also there is the problem of insulation property aspect and creepage distance and electric clearance not enough, moreover the increase of contact breakpoint loop resistance certainly will be increased by short circuit row connection, owing to being in same aspect, connection loop, pole is long, and circuit breaker power consumption also can increase.In order to realize the miniaturization of circuit breaker, the electric clearance and the creepage distance that realize identical requirement make design more difficult.Due to the unexpected breakage that modeling structure manufacturability difference causes in actual motion, cause the adverse consequencess such as insulation breakdown.When designing creepage distance, muscle or the groove of some transverse directions should be set as much as possible on solid insulation surface, to stop leakage current path, delay the process of creepage trace.Breaker of plastic casing as one of the staple product of low-voltage electrical apparatus, the improvement of its performance with improve the fail safe that will ensure work about electric power personnel further, contribute to reducing electric power accident.
Chinese invention patent application publication number CN 102592903 A discloses a kind of preset mode of connection circuit breaker, is connected by multiple breakpoint in circuit breaker base.The circuit breaker of this preset mode of connection is without the need to user's external connection series connection voluntarily, and directly the terminal block preset with circuit breaker is connected.Although this prefabricated wiring makes long delay characteristic be stablized, but its problem to be this preset internal poles connection that wiring adopts, connection portion, pole and contact part are in the same space aspect, occurring just likely to destroy pole connection function, finally causing galvanic circle abnormal once there be fault current.As can be seen from the preset elementary diagram of this patent, the galvanic circle of pole connection is longer, with the structure principle chart of embodiment 1, left side is as the independent pole of circuit breaker, other three poles are in series formation one pole, this series connection pole from upper end, right side the first fixed contact, moving contact to the second moving contact, fixed contact again to the 3rd fixed contact, moving contact finally by trip unit to the outlet of lower end, right side, whole pole connection loop path is longer, and connection point in pole is more, cause the internal resistance of series connection pole large, the power consumption of circuit breaker also can increase.
Summary of the invention
The object of this invention is to provide a kind of low-voltage direct circuit breaker that can overcome above-mentioned shortcoming.Circuit breaker rated operational voltage DC1500V is realized by a kind of pole connection structure, and select pole connection point by the method optimizing that double-deck pole joins, make galvanic circle path minimum, reduce contact resistance, thus reduce circuit breaker power consumption, meanwhile, larger creepage distance is realized by a kind of creepage groove structure being easy to manufacture.
In order to realize object of the present invention, following technical scheme is proposed:
A kind of low-voltage direct circuit breaker, comprise fixed contact 7 and pedestal 10, described fixed contact 7 comprises contact part 714 and pole company headquarters 712, described fixed contact 7 is fixedly mounted on pedestal 10, described contact part 714 is in the upper strata of pedestal 10, described pole company headquarters 712 is in the lower floor of pedestal 10, thus realizes double-deck pole link structure.
Described fixed contact 7 is in word master L-shape.
Described contact part 714 comprises electric contact 73 and striking portion 74.
Described contact part 714 is bent upwards, and its left end is fillet structure.
It is characterized in that: described pole company headquarters 712 is bent downwardly, for fixed contact 7 is fixed on pedestal 10, and be used in conjunction as pole.
The main part 71 of described fixed contact is that monoblock copper coin is made, and silver-plated process is carried out on surface.
Setting party's wimble structure 15 on described pedestal 10, the upper surface of described side's wimble structure 15 is clinoplain, and the angle of this plane is consistent with the angle of contact part 714 upper surface 72 of described fixed contact 7.
The groove 16 of at least one transverse direction on described pedestal 10, described groove 16 is in the bottom surface of pedestal 10.
Described pedestal 10 comprises groove 19, and the size of described groove 19 is roughly corresponding with pole company headquarters 712, for holding the pole company headquarters 712 of fixed contact 7.
Described groove 19 has outward extending muscle 18, and the height of muscle is 2-5mm.
Compared with prior art, major advantage of the present invention is as follows:
First; double-deck pole connection structure of the present invention can reduce contact resistance; can connect a little in the unrestricted choice pole that is conducive to galvanic circle most; connection portion, pole and arc separate from; even if realize the pole connection function also guaranteeing to design under short circuit condition; abnormal loop case because arcing splash causes can not occur, and this pole connection mode can improve insulation level, makes the overall dimension of circuit breaker less.
The second, base bottom surface line both sides of the present invention are provided with the groove of at least one horizontal certain depth and width, and its major advantage is that the shaping of this groove is beneficial to Making mold.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 internal poles connection structure assembling axis side view;
Fig. 2 is the upper strata axis side view of the embodiment of the present invention 1 double-deck pole connection mechanism circuit-breaker;
Fig. 3 is lower floor's axis side view of the embodiment of the present invention 1 double-deck pole connection mechanism circuit-breaker;
Fig. 4 is the upper strata axis side view after the embodiment of the present invention 1 removes pedestal and trip unit;
Fig. 5 is the lower floor's axis side view after the embodiment of the present invention 1 removes pedestal and trip unit;
Fig. 6 is the embodiment of the present invention 1 double-deck pole connection fixed contact of mechanism circuit-breaker and the assembled shaft end view in pedestal front;
Fig. 7 is the embodiment of the present invention 1 double-deck pole connection fixed contact of mechanism circuit-breaker and the assembled shaft end view at the pedestal back side;
Fig. 8 is the fixed contact composition axis side view of the embodiment of the present invention 1 double-deck pole connection structure;
Fig. 9 is the fixed contact main part axis side view of the embodiment of the present invention 1 double-deck pole connection structure;
Figure 10 is the embodiment of the present invention 1 pedestal front axis side view;
Figure 11 is the embodiment of the present invention 1 pedestal cross section view;
Figure 12 is the embodiment of the present invention 1 pedestal back side axis side view;
The fixed contact welding axis side view of Figure 13 embodiment of the present invention 2 double-deck pole connection structure;
Connection portion, the fixed contact pole axis side view of Figure 14 embodiment of the present invention 2 double-deck pole connection structure;
The fixed contact contact part axis side view of Figure 15 embodiment of the present invention 2 double-deck pole connection structure;
Figure 16-18 illustrates several different pole connection point selection scheme.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
The embodiment of the present invention 1 is shown in Fig. 1-12, Fig. 1 shows the double-deck pole connection mechanism circuit-breaker 1 that the present invention relates to, its structure is the two poles of the earth three breakpoint arrangement circuit breakers, pedestal 10 holds: the first pole is made up of upper end, pole, left side fixed contact 2, moving contact 3, lower end trip unit 4; Second pole is in series by interpole and pole, right side, and the fixed contact 7 that concrete method of attachment is upper end interpole fixed contact 8, moving contact 9 is connected to pole, right side, moving contact 6, second lower end, pole trip unit 5 form.Also shown is the upper strata of double-deck pole connection mechanism circuit-breaker, the second pole, pole connection structure is observed from the inside of pedestal 10, the contact part 714 of pole, right side fixed contact 7 is in the upper strata of pedestal 10, be in an aspect together spatially with interpole fixed contact 8, the contact part 714 of fixed contact 7 coordinates with moving contact 9 on/off realizing circuit breaker.As think, fixed contact 2,8,7 is in static, moving contact 3, moving contact 9, moving contact 6 by operating mechanism come deciliter.
Fig. 2, Fig. 3 show the lower floor of double-deck pole connection mechanism circuit-breaker, the second pole, pole connection structure is observed from the bottom of pedestal 10, the connection portion, pole 712 of the second pole fixed contact 7 is in the lower floor of pedestal 10, with pole fixed contact 8 not in same space aspects, the connection portion, pole 712 of fixed contact 7, for being connected with pole moving contact 9 connecting portion 11, forms the cascaded structure at the two poles of the earth.Can obviously see, the extremely upper and lower side terminal in right side does not arrange line bank.When can prevent circuit breaker from installing side by side like this, interpolar electric arc forms short circuit.
Fig. 4, Fig. 5 show the upper strata after removing pedestal 10 and trip unit 5, lower floor's pole connection schematic diagram, and the connecting portion 11 of pole moving contact 9 carries out conduction by screw 12 to be connected with connection portion, fixed contact 7 pole, pole, right side.
Fig. 6, Fig. 7 show the fixed contact 7 of double-deck pole connection mechanism circuit-breaker and the assembling of pedestal 10, fixed contact 7 loads from the lower floor of pedestal 10, the angle of fixed contact 7 and pedestal 10 lower floor parallel surface is constantly changed in the process that fixed contact 7 loads, such angle change contributes to fixed contact 7 and is installed to pedestal 10, until fixed contact 7 is fitted completely with pole company headquarters 712 holding tank 19 of pedestal 10 lower floor fixed contact 7.Fixing being arranged on pedestal 10 of fixed contact 7, and connected by screw 13.Described fixed contact 7 contact part 714 is in the upper strata of pedestal 10, and the connection portion, pole 712 of fixed contact 7 is in the lower floor of pedestal 10, thus realizes double-deck pole connection.
The benefit of this pole connection mode to reduce contact resistance; can connect a little in the unrestricted choice pole that is conducive to galvanic circle most; moreover connection portion, pole and arc separate from; even if realize the pole connection function also guaranteeing to design under short circuit condition; the abnormal loop case because arcing splash causes can not be there is; this pole connection mode can improve insulation level, makes the overall dimension of circuit breaker less.
Fig. 8 shows the fixed contact 7 of double-deck pole connection structure, and fixed contact should comprise contact part 714 and connection portion, pole 712.Contact part 714 accommodates electrical contact 73, striking portion 74, described electrical contact 73 and striking portion 74 are fixed on the reclinate face 72 of contact part.Described electrical contact 73 is weldingly fixed in contact part 714, and striking portion 74 is fixed in contact part 714 by the mode of welding, riveting or being threaded.Connection portion, pole 712 distributes 3 holes, and hole 711 is used as to be connected by screw 12 with moving contact 9 connecting portion 11 to realize pole and join, and hole 713 is for fixed contact 7 is fixedly secured to pedestal, and fixing therebetween connects by screw thread 13.
Fig. 9 shows the main part 71 of fixed contact, comprising connection portion, pole 712, contact part 714, wherein connection portion in pole is arranged porose 711, hole 713, and hole 711 is as the connection use with other poles, and hole 713 is as installing fixing with pedestal.It is fillet feature on the left of contact part 714, current constriction is there is in electric current at this fillet feature place, electrodynamic repulsion force can be produced between contact, namely this feature is conducive to the increase of contact electrodynamic repulsion force, when the loop short circuit of circuit breaker place, when fault occurs, contact will be accelerated and scolds out, can ensure like this circuit breaker very short be disconnect in the time, make short circuit current disjunction before reaching its prospective peak value, obtain good current limliting coefficient.The connection portion, pole 712 of the main part 71 of described fixed contact and contact part 714 are made up of monoblock copper coin, and silver-plated process is also carried out in surface.
Figure 10 and Figure 11 shows the structure of pedestal 10, pedestal 10 comprises boss 15, boss 15 side of being roughly cone structure, the upper surface 151 of side's cone tilts, inclination angle is consistent with fixed contact 7 contact part 714 reclinate face 72 angle, and square wimble structure 151 is highly overlap with fixed contact 7 contact part 714 reclinate face 72 lower surface.The party's wimble structure is for supporting the reclinate face 72 of fixed contact 7 contact part 714, and object is the stability ensureing contact overtravel.
Figure 12 shows the groove 16 that pedestal 10 back side upper and lower end is provided with horizontal certain depth and width.There is the groove in a connection portion, accommodation fixed contact 7 pole 712 pedestal 10 bottom surface, and the size of this groove 19 roughly roughly conforms to connection portion, fixed contact 7 pole 712.The outline of groove 19 has one week outwardly muscle 18.This muscle 18 can increase connection portion, fixed contact 7 pole 712 and outside creepage distance and electric clearance.Pedestal 10 is provided with two holes 17, this hole 17 and hole, connection portion, fixed contact 7 pole 713 with the use of, for fixed contact 7 is fixed on pedestal 10.
The embodiment of the present invention 2 is shown in Figure 13-15, and described by embodiment 2 is the shaping scheme of another kind that double-deck pole connects structure fixed contact.
Figure 13 shows fixed contact and comprises contact part 20 and connection portion, pole 21, and the contact part 20 of described fixed contact is connected by welding manner with connection portion, pole 21, and contact part 20 and the connection portion, pole 21 of this structure are split-type structurals, and this split-type structural is conducive to Making mold.
Figure 14, Figure 15 show the face 201 of fixed contact contact part 20 and the face 211 in connection portion, pole 21, face 201 and face 211 are welding contact-making surface, wherein the face 211 in pole connection portion 21 is to recessed, the width of concave surface 211 conforms to face 201 width, mainly welded limiting, makes the part characteristic size after welding meet the demands.
Several different pole connection point selection shown below by Figure 16-18 describes the pluses and minuses of tandem plan in detail.
As can be seen from wiring Figure 16 of the present invention, circuit breaker is three conductive contacts, and two, right side contact is in series, and this series connection is connected to right side fixed contact and terminates by middle moving contact end.Wherein moving contact end is provided with conductive connection plates, and this connecting plate is fixable to be installed on pedestal, and conductive connection plates has preset screwed hole.Right side fixed contact is divided into connection portion, pole and contact part, and connection portion, pole is threaded with prevailing thread hole on moving contact end connecting plate, and connection portion, pole is assemblied in the lower layer space of pedestal; Contact part, as fixed contact use, is assemblied in the upper sheaf space of pedestal, and the advantage of this double-deck pole connection structure is for can make galvanic circle shortest path.
Described in traditional wired Figure 17 is also that circuit breaker is divided into three conductive contacts, and the two poles of the earth, right side are in series, and this series connection is connected to right side fixed contact and terminates by middle moving contact end.With wiring of the present invention unlike, this pole connection is in a space aspects, if make pole connect structure to be achieved and the insulation safety meeting pole connection, one need be arranged between interpole with pole, right side and be connected in series trough, the obvious program can not realize the short advantage in galvanic circle, and the serial connection trough arranged will make circuit breaker overall dimension strengthen.
Described in traditional wired Figure 18 is also three conductive contacts, and the two poles of the earth, right side are in series, and this series connection is connected to right side moving contact end and terminates by middle moving contact end.What the program also adopted is same layer pole connection mode, and the program not only makes whole galvanic circle elongated, and the overall dimensions of circuit breaker also can be made to strengthen.
By the contrast of above three kinds of schemes; the performance of double-deck pole connection structure is better than traditional pole connection mode completely; contact resistance can be reduced; can connect a little in the unrestricted choice pole that is conducive to galvanic circle most; moreover pole company headquarters and arc separate from, even if realize also guaranteeing that under short circuit condition the pole designed connects function, the abnormal loop case because arcing splash causes can not be there is; this pole connects mode can improve insulation level, makes the overall dimension of circuit breaker less.
Above-described specific embodiment; further detailed description has been carried out to object of the present invention, technical scheme and beneficial effect; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a low-voltage direct circuit breaker, comprise fixed contact (7) and pedestal (10), it is characterized in that: described fixed contact (7) comprises contact part (714) and pole company headquarters (712), described fixed contact (7) is fixedly mounted on pedestal (10), described contact part (714) is in the upper strata of pedestal (10), described pole company headquarters (712) is in the lower floor of pedestal (10), thus realizes double-deck pole link structure.
2. low-voltage direct circuit breaker according to claim 1, is characterized in that: described fixed contact (7) is in word master L-shape.
3. low-voltage direct circuit breaker according to claim 2, is characterized in that: described contact part (7) 14 comprises electric contact (73) and striking portion (74).
4. low-voltage direct circuit breaker according to claim 3, is characterized in that: described contact part (714) is bent upwards, and its left end is fillet structure.
5., according to the low-voltage direct circuit breaker of claim 1-4 described in one of them, it is characterized in that: described pole company headquarters (712) is bent downwardly, for fixed contact (7) is fixed on pedestal (10), and be used in conjunction as pole.
6. low-voltage direct circuit breaker according to claim 5, is characterized in that: the main part (71) of described fixed contact is that monoblock copper coin is made, and silver-plated process is carried out on surface.
7. low-voltage direct circuit breaker according to claim 1, it is characterized in that: the upper setting party's wimble structure (15) of described pedestal (10), the upper surface of described side's wimble structure (15) is clinoplain, and the angle of this plane is consistent with the angle of contact part (714) upper surface (72) of described fixed contact (7).
8. the low-voltage direct circuit breaker according to claim 1 or 7, is characterized in that: the groove (16) of upper at least one transverse direction of described pedestal (10), described groove (16) is in the bottom surface of pedestal (10).
9. low-voltage direct circuit breaker according to claim 8, is characterized in that: described pedestal (10) comprises groove (19), and the size of described groove (19) is roughly corresponding with pole company headquarters (712), for holding the pole company headquarters (712) of fixed contact (7).
10. low-voltage direct circuit breaker according to claim 9, is characterized in that: described groove (19) has outward extending muscle (18), and the height of muscle is 2-5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510181753.1A CN104779129B (en) | 2015-04-16 | 2015-04-16 | A kind of double-deck pole is coupled the breaker of structure |
| PCT/CN2015/100122 WO2016165402A1 (en) | 2015-04-16 | 2015-12-31 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510181753.1A CN104779129B (en) | 2015-04-16 | 2015-04-16 | A kind of double-deck pole is coupled the breaker of structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104779129A true CN104779129A (en) | 2015-07-15 |
| CN104779129B CN104779129B (en) | 2017-09-29 |
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ID=53620543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510181753.1A Active CN104779129B (en) | 2015-04-16 | 2015-04-16 | A kind of double-deck pole is coupled the breaker of structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104779129B (en) |
| WO (1) | WO2016165402A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483687A (en) * | 2015-01-02 | 2015-04-01 | 江苏新瑞峰信息科技有限公司 | Automobile multimedia device |
| WO2016165402A1 (en) * | 2015-04-16 | 2016-10-20 | 北京人民电器厂有限公司 | Circuit breaker |
| CN107045966A (en) * | 2016-02-05 | 2017-08-15 | 上海良信电器股份有限公司 | A kind of pole of breaker is coupled structure |
| EP3291277A1 (en) * | 2016-08-31 | 2018-03-07 | LSIS Co., Ltd. | Trip mechanism for direct current molded case circuit breaker |
| EP3483912A4 (en) * | 2016-07-06 | 2020-01-15 | Seari Electric Technology Co., Ltd. | Electrically conductive loop of circuit breaker |
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| JPH08250011A (en) * | 1995-03-14 | 1996-09-27 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN201966159U (en) * | 2011-01-10 | 2011-09-07 | 北京人民电器厂有限公司 | Multi-break circuit breaker |
| CN203192715U (en) * | 2013-03-07 | 2013-09-11 | 上海华声电气研究所 | Breaker |
| CN203733735U (en) * | 2014-03-24 | 2014-07-23 | 苏州电气集团有限公司 | Static contact |
| CN204632703U (en) * | 2015-04-16 | 2015-09-09 | 北京人民电器厂有限公司 | A kind of circuit breaker of double-deck pole connection structure |
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| US5258733A (en) * | 1992-08-06 | 1993-11-02 | Eaton Corporation | Molded case circuit breaker having improved trip unit |
| CN102456515B (en) * | 2010-10-20 | 2014-09-24 | 北京人民电器厂有限公司 | Multi-break plastic-shell type circuit breaker |
| CN102592903B (en) * | 2011-01-10 | 2015-04-08 | 北京人民电器厂有限公司 | Multi-breakpoint circuit breaker |
| CN202423149U (en) * | 2011-12-16 | 2012-09-05 | 常熟开关制造有限公司(原常熟开关厂） | Low-voltage direct current circuit breaker |
| CN104779129B (en) * | 2015-04-16 | 2017-09-29 | 北京人民电器厂有限公司 | A kind of double-deck pole is coupled the breaker of structure |
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2015
- 2015-04-16 CN CN201510181753.1A patent/CN104779129B/en active Active
- 2015-12-31 WO PCT/CN2015/100122 patent/WO2016165402A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08250011A (en) * | 1995-03-14 | 1996-09-27 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN201966159U (en) * | 2011-01-10 | 2011-09-07 | 北京人民电器厂有限公司 | Multi-break circuit breaker |
| CN203192715U (en) * | 2013-03-07 | 2013-09-11 | 上海华声电气研究所 | Breaker |
| CN203733735U (en) * | 2014-03-24 | 2014-07-23 | 苏州电气集团有限公司 | Static contact |
| CN204632703U (en) * | 2015-04-16 | 2015-09-09 | 北京人民电器厂有限公司 | A kind of circuit breaker of double-deck pole connection structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483687A (en) * | 2015-01-02 | 2015-04-01 | 江苏新瑞峰信息科技有限公司 | Automobile multimedia device |
| WO2016165402A1 (en) * | 2015-04-16 | 2016-10-20 | 北京人民电器厂有限公司 | Circuit breaker |
| CN107045966A (en) * | 2016-02-05 | 2017-08-15 | 上海良信电器股份有限公司 | A kind of pole of breaker is coupled structure |
| EP3483912A4 (en) * | 2016-07-06 | 2020-01-15 | Seari Electric Technology Co., Ltd. | Electrically conductive loop of circuit breaker |
| EP3291277A1 (en) * | 2016-08-31 | 2018-03-07 | LSIS Co., Ltd. | Trip mechanism for direct current molded case circuit breaker |
| CN107785218A (en) * | 2016-08-31 | 2018-03-09 | Ls 产电株式会社 | Tripping mechanism for direct current molded case circuit breakers |
| CN107785218B (en) * | 2016-08-31 | 2019-06-11 | Ls 产电株式会社 | Tripping mechanism for direct current molded case circuit breakers |
| US10332714B2 (en) | 2016-08-31 | 2019-06-25 | Lsis Co., Ltd. | Trip mechanism for direct current molded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016165402A1 (en) | 2016-10-20 |
| CN104779129B (en) | 2017-09-29 |
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