CN204215989U - A kind of circuit breaker being beneficial to electric arc fast moving and elongation - Google Patents
A kind of circuit breaker being beneficial to electric arc fast moving and elongation Download PDFInfo
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- CN204215989U CN204215989U CN201420250560.8U CN201420250560U CN204215989U CN 204215989 U CN204215989 U CN 204215989U CN 201420250560 U CN201420250560 U CN 201420250560U CN 204215989 U CN204215989 U CN 204215989U
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- 238000010891 electric arc Methods 0.000 title claims abstract description 36
- 230000009286 beneficial effect Effects 0.000 title claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000001154 acute effect Effects 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of circuit breaker being beneficial to electric arc fast moving and elongation, comprise: fixed contact, moving contact, arc control device, the contact-making surface of fixed contact electric contact and moving contact electric contact and the angle of pedestal baseplane are acute angle and are positioned at first quartile, moving contact comprises conducting rod and electric contact, described conducting rod has a protuberance, on fixed contact electric contact direction, electric contact is welded with being positioned at of end face of protuberance, arc control device are grating arc-extinguishing chamber, bottom it and top is respectively provided with a slice striking grid, bottom arc control device, striking grid is arranged lower than fixed contact electric contact, moving contact electric contact maximum position when striking grid in arc control device top is opened higher than moving contact is arranged, this circuit breaker is beneficial to the electric arc fast moving and elongation that result from sound electric contact place when moving contact is opened.The utility model effectively can improve electric arc translational speed and the arcing length of circuit breaker when not changing current circuit breaker operation mechanism and housing, be used in photovoltaic DC circuit breaker, the operating voltage of circuit breaker can be improved and solve the problem that volume is large, power consumption is high.
Description
Technical field
The utility model relates to low voltage electrical apparatus technology field, especially relates to a kind of circuit breaker being beneficial to electric arc fast moving and elongation.
Background technology
Circuit breaker is as the critical elements in low-voltage electrical apparatus, the height of its performance index can retrain the development of an industry, in the epoch that new forms of energy development grows, and the especially fast development of field of photovoltaic power generation, its system voltage may be high to 800V, also will consider that appearance falls in plateau when plateau uses.Adopt multibreak serial connection technology to meet the high voltage requirements of photovoltaic system, but volume is large, power consumption is high, construction and installation difficulty is large etc., and problem never solve in the past.Although " a kind of multi-break plastic-shell type circuit breaker " of application number to be " multibreak circuit breaker ", the application number of 201110005730.7 be 201020586389.X proposed preset wiring technique and make construction and installation problem be solved in the past, fundamentally do not solve the problem that volume is large and power consumption is high.Replacing the circuit breaker of multibreak series connection to meet if want with the two poles of the earth circuit breaker, first photovoltaic application will overcome is exactly an arc extinguishing difficult problem, and as everyone knows, the general principle of direct current arc extinguishing is elongating arc and cooling electric arc.
Chinese invention patent application publication number CN101546681B discloses a kind of moving contact and be conducive to the circuit breaker that electric arc enters arc control device can protected; its technical measures is: being provided with a slice has with moving contact afterbody release place the run-on tab be electrically connected in arc control device upper end; owing to producing the region of electric arc when described run-on tab will disconnect through circuit breaker, so it is also provided with an insulating cover to avoid electric arc and described run-on tab in the side short circuit near moving contact afterbody.The electric arc produced when the setting of this run-on tab can make short-circuit conditions lower moving contact open easily to jump on described run-on tab from moving contact and enters arc control device, makes the scaling loss of moving contact alleviate like this and also makes electric arc easily enter arc control device.But want in the technical program to allow electric arc jump to run-on tab from moving contact easily, the resistance of described run-on tab is less than the resistance of moving contact and run-on tab parallel connection could easier redirect, and this point can not reach in theory; Further, will there be electrical connection one end of described run-on tab with moving contact afterbody release part, and the other end is arranged on the top of arc control device again, it also must insulate and the insulating cover of setting by promising run-on tab simultaneously, so not only itself structure is too complicated, also make the assembling of circuit breaker become complicated simultaneously; Further again, jumping to run-on tab from moving contact although this invention is conducive to electric arc and enters arc control device, it is very micro-to the elongation effect of electric arc, and the effect played the extinguishing of electric arc and the raising of circuit breaker operating voltage so is obviously obvious not.
Summary of the invention
Based on the problems referred to above, the purpose of this utility model is to provide a kind of circuit breaker, and this circuit breaker can avoid the problem that volume is large and power consumption is high brought because multibreak series connection uses, and is conducive to again electric arc simultaneously and moves and elongate.Its adopts has the dynamic/static contact of arc-striking structure, coordinates the arc control device with striking grid and aerogenesis arc insulating cover to the translational speed of the electric arc after increasing moving contact and opening and elongates length, to meet the high voltage requirement of photovoltaic system.
The technical solution adopted in the utility model is:
Be beneficial to a circuit breaker for electric arc fast moving and elongation, comprise pedestal, fixed contact, arc control device, moving contact and operating mechanism, wherein arc control device are positioned on the left of moving contact, described operating mechanism control dynamic/static contact deciliter;
Described fixed contact 1 comprises conducting base 11, striking portion 12 and electric contact 13, described conducting base 11 is made up of wire connecting portion plane 111, bending 114, plane 113 and joint face 112, described striking portion 12 and electric contact 13 are fixed on joint face 112, and described joint face 112 is acute angle relative to described base plane 4 and is positioned at first quartile;
Described moving contact 3 comprises conducting rod 31 and electric contact 32, and described conducting rod 31 has a protuberance 314, on the end face 313 of protuberance 314, is positioned at and is welded with electric contact 32 on fixed contact electric contact 13 direction;
Described arc control device 2 are grating arc-extinguishing chamber, comprise a pair arc separating wall 21, striking grid and a pair arc insulating cover 23, and described striking grid comprises the striking grid 22 at bottom striking grid 24 and top; The position of described bottom striking grid 24 is arranged lower than fixed contact electric contact 13, and when the position of described top striking grid 22 is opened higher than moving contact 3, the maximum position of moving contact electric contact 32 is arranged, and described arc separating wall 21 is symmetricly set in arc control device 2 both sides; Described arc insulating cover (23) is arranged at two sides, moving contact (3) left and right.
The both sides of described moving contact 3 arrange the moving contact in parallel with it respectively.
Described arc insulating cover 23 is made for gas exhausted material, and described arc insulating cover 23 is provided with dentation protuberance 232, and between the grid inserting in arc control device 2, described arc insulating cover 23 and described arc separating wall 21 connect as one by the mode such as riveting.
Described arc insulating cover 23 apart from the distance of moving contact side at 0.1-3mm.
Described fixed contact electric contact 13 and the contact-making surface 14 of moving contact electric contact 32 and the angle a of pedestal baseplane 4 at 20 ° within the scope of 35 °.
The electric contact 13 that the striking portion 12 of described fixed contact 1 is close to fixed contact 1 is arranged, in described base plane 4 vertical direction, described striking portion 12 compares described electric contact 13 more on the lower; Bottom striking grid 24 distance of described striking portion 12 and arc control device 2 is at 0.1-3mm; Described striking portion 12 is fixed on conducting base 11 or by described conducting base 11 processing and forming by the mode of welding, riveting or being threaded and forms.
Described upper left point 311 is corresponding with described top striking grid 22 to be arranged, and when open position, upper left point 311 and top striking grid 22 relative distance b are at 0.1-3mm; Described distance b is less than the distance c of moving contact electric contact 32 apart from the arc extinguishing grid pieces corresponding with it.
Described moving contact electric contact 32 protrudes from the distance of moving contact conductive base body rod subordinate plane at 4-20mm with the contact-making surface of fixed contact electric contact 13.
On the left of described striking portion 12 corresponding with striking grid 24 bottom arc control device 2 arrange and relative distance d at 0.1-3mm.
Described conducting base (11) is made up of wire connecting portion plane (111), bending (114), joint face (113) and joint face (112), described striking portion (9) and electric contact (8) are fixed on joint face (112), described joint face (112) in downward direction extends from joint face (113), relative to described wire connecting portion plane (111) in 28 ° of angles
Compared with prior art, the utility model has the advantages that this circuit breaker can make the electric arc resulted from dynamic/static contact electric contact move quickly into the protuberance upper left point 311 of described moving contact and the lower end in fixed contact striking portion 12 compared with the circuit breaker of prior art, as shown in Figure 9, the length resulting from the electric arc 6 at dynamic/static contact electric contact place is approximately equal to clearance between open contacts 35, and the length moving to the electric arc 5 of described movable contact conducting bar lug boss upper left point 311 and lower end, fixed contact striking portion 12 is 56, electric arc when namely circuit breaker disconnects has been elongated 60% significantly.
The utility model structure is simple, technological level requires identical with existing product, can be conveniently used in current photovoltaic system circuit breaker reducing circuit breaker breakpoint quantity, reduce circuit breaker volume, reduce power consumption, the two poles of the earth circuit breaker is used in photovoltaic system becomes possibility.
Accompanying drawing explanation
Fig. 1 is the axis side view of the utility model embodiment one;
Fig. 2 is the sectional structure chart being in "on" position of the utility model embodiment one;
Fig. 3 is the sectional structure chart being in gate-dividing state of the utility model embodiment one;
Fig. 4 is the moving contact axis side view of the utility model embodiment one;
Fig. 5 is the movable contact conducting bar axis side view of the utility model embodiment one;
Fig. 6 is the fixed contact axis side view of the utility model embodiment one;
Fig. 7 is the fixed contact conducting base axis side view of the utility model embodiment one
Fig. 8 is the axis side view of contrast before and after the utility model electric arc elongates;
Fig. 9 is the axis side view of the arc insulating cover of the utility model embodiment one;
Figure 10 is the axis side view of the fixed contact of the utility model embodiment two;
Figure 11 is the structure chart that the utility model embodiment three shows separating brake and "on" position.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is further described.
In moulded case circuit breaker, usually divide and at least one mobile contact part containing at least one fixed contact for each pole, when breaker closing/disconnection, these contact portions can be connected to each other/disconnect, also be provided with an arc-control device and a set of controlling organization at contact area, arc-control device is for extinguishing the electric arc produced when moving part connects/disconnects simultaneously; Controlling organization is for controlling the motion of described mobile contact part, and the connection driving described mobile contact part and described fixed contact to divide and disconnection.
The utility model fixed contact related in this circuit breaker divides, mobile contact part, arc-control device, and it comprises:
A fixed contact, be installed on pedestal, described fixed contact is provided with an electric contact, on described fixed contact, the plane of affixed described electric contact and described circuit breaker base baseplane are acute angle and are positioned at first quartile, described fixed contact is also provided with a striking portion, described striking portion and described electric contact near and be arranged on described conducting base, described striking portion extends to the bottom a slice striking grid place of described arc control device and apart from grid distance 0.5-3mm;
A moving contact, be made up of conducting base and the superincumbent electric contact of welding, described conducting base is provided with a protuberance, described electric contact is welded on the end face of described protuberance, described moving contact by described mechanism controls realize with fixed contact deciliter, for being switched on or switched off circuit;
Arc control device, described arc control device top and bottom are respectively provided with a slice striking grid, described arc control device also comprise the arc insulating cover being arranged at for a pair and being arranged symmetrically with inside arc control device, described arc insulating cover there is dentation protuberance, described protuberance inserts between arc extinguishing grid pieces, described arc insulating cover and described arc control device are fixed together, and described arc insulating cover is apart from the distance 0.1-3mm of moving contact side.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment one
As shown in Figure 1, Figure 2, Figure 4 shows, the circuit breaker that the utility model relates to comprises a fixed contact 1, arc control device 2, moving contact 3.Wherein: arc control device 2 are arranged on the left side of moving contact 3, the bottom striking grid 24 of arc control device 2 is arranged lower than fixed contact electric contact 13, moving contact electric contact 32 maximum position when the top striking grid 22 of arc control device 2 is opened higher than moving contact 3 is arranged, fixed contact electric contact 13 is acute angle with the contact-making surface of moving contact electric contact 32 and the angle a of pedestal baseplane 4 and is positioned at first quartile, the distance that moving contact electric contact 32 protrudes from movable contact conducting bar lower plane 316 with the contact-making surface 33 of fixed contact electric contact 13 is greater than 4mm, is less than 20mm.
As shown in Figure 6, Figure 7, described fixed contact 1 forms primarily of fixed contact conducting base 11, striking portion 12, fixed contact electric contact 13.Described fixed contact electric contact 13 is 28 ° with the contact-making surface of moving contact electric contact 32 in Fig. 4 relative to the angle a of pedestal baseplane 4.The branch problem of electric arc arc root is have studied by people such as R.Michal, the negative electrode of electrode and Anode arc root have different branch modes, Anode arc root has the ability hopping through obstacle, so can jump down or take a leap over when Anode arc root runs into step or gap, and the motion of Cathode arc root is continuous print, it can only along obstacle surface continuous moving.Striking portion 12 on one is riveted in the position being close to fixed contact electric contact 13 at fixed contact electric contact 13 in the plane 112 of fixed contact conducting base wire connecting portion plane 111 side welding fixed contact electric contact 13, described striking portion 12 extends to the downside of striking grid 24 bottom arc control device 2 near one end of fixed contact conducting base wire connecting portion plane 111 and the distance apart from described striking grid 24 is 2mm, so just make the electric arc resulted from described fixed contact electric contact 13 can move to fast in described striking portion 12 under the attraction of arc control device 2. described striking portion 12 can also be fixed on fixed contact conducting base in other way, as welding, be threaded, certain described striking portion 12 can also be processed by fixed contact conducting base straight forming.
As shown in Figure 5, welding moving contact electric contact 32 place, front end of movable contact conducting bar 31 is provided with a protuberance 314, described protuberance upper left point 311 is connected with lower-left point 312 rounding off, electric contact 32 is welded in described conducting rod 31 protuberance plane 313, described striking grid 22 and described protuberance upper left point 311 are at moving contact that maximum position when opening is corresponding to be arranged, protuberance upper left point 311 as shown in Figure 3 after moving contact 3 is opened on described contact conducting rod 31 is 1.5mm apart from the distance b of arc control device 2 top striking grid 22, be less than the distance c of moving contact electric contact 32 apart from the arc extinguishing grid pieces corresponding with it, according to test of many times gained, when described range difference is greater than 3.5mm, result from when moving contact is opened electric arc on moving contact electric contact 32 would not from moving contact electric contact 32 directly with the arc extinguishing grid pieces disruptive discharge corresponding on direction, pedestal baseplane 4 with it, but result from the electric arc on moving contact electric contact 32 when moving contact is opened due to the attraction of arc control device 2 and from moving contact electric contact 32, described protuberance upper left point 311 can be moved to along described protuberance lower-left point 312.Further, as shown in Figure 2, after breaker closing, described protuberance 314 be arranged so that there is certain space between movable contact conducting bar plane 316 and fixed contact conducting base plane 113, described space can ensure moving contact and fixed contact reliable contacts after combined floodgate and excess of stroke wearing and tearing.The assembly connection of moving contact 3 afterbody and rotating shaft and release part and the circuit breaker of prior art are duplicate.
As shown in Figure 8, the described arc insulating cover 23 be symmetricly set in inside arc control device is a pair mirror images, its main part is a flat board, the protuberance 232 of dentation is had to insert between the gap of arc extinguishing grid pieces in the side by arc extinguishing grid pieces, the height of described dentation protuberance 232 will ensure that arc insulating cover 23 and arc separating wall 21 can be adjacent to reliably, arc extinguishing grid pieces separates by described dentation protuberance 232, to prevent in high voltage situation arc extinguishing grid pieces breakdown near operating mechanism side and affect arcing length.Arc insulating cover 23 is provided with the semi-hollow cylinder 231 for arc insulating cover 23 being fixed in the projection on arc separating wall 21, the mode of hot riveting is adopted the riveting of described semi-hollow cylinder 231 to be opened and be fixed on arc separating wall 21 by arc insulating cover 23, described arc insulating cover adopts PA6, the good material of the aerogenesis such as POM makes, inert gas is discharged under the high temperature action of the electric arc that described arc insulating cover produces after moving contact 3 is opened, described inert gas contributes to electric arc to blow to arc control device 2 and then elongating arc, to consider when breaking capacity is higher to add fire retardant in the material to improve its arc ablation resistance ability.The described arc insulating cover 23 be symmetricly set in inside arc control device is arranged in parallel in the inner side of arc control device 2 and the distance of distance moving contact side is 1.5mm.
As shown in Figure 9; by test of many times gained; the said structure electric arc resulted from when moving contact is opened on dynamic/static contact electric contact can move to described moving contact lug boss upper left point 311 and striking portion 12 fast near one end of fixed contact conducting base wire connecting portion plane 111 under the attraction of arc control device 2 from dynamic/static contact electric contact; after electric arc moves; open and open distance apart from transferring striking to, it opens apart from increasing 60%, simultaneously after electric arc fast moving; can available protecting electric contact, improve electric life number of times.
Embodiment two
That described fixed contact can also adopt other modes with above-described embodiment one difference.
Fixed contact as shown in Figure 10, fixed contact electric contact 13 is identical with embodiment one with the setting in striking portion 12, the wire connecting portion plane 111 of fixed contact conducting base is parallel to pedestal baseplane 4, the contact-making surface of described fixed contact electric contact 13 and moving contact electric contact 115 to extend to moving contact direction in 28 ° and below the wire connecting portion of fixed contact conducting base relative to the wire connecting portion plane 111 of fixed contact conducting base, and the part of conducting base welding electric contact and affixed striking portion is formed to moving contact direction lateral buckling by joint face 115 below close conductive base wire connecting portion.
Embodiment three
The both sides being described moving contact with above-described embodiment one and embodiment two difference are provided with the moving contact in parallel with it.
As shown in figure 11, fixed contact 1 is identical with embodiment 2, the setting of moving contact 3 is identical with embodiment 1, difference is respectively provided with two moving contacts 301 and 302 in parallel with moving contact 3 in the both sides of moving contact 3 to improve specified current capacity, described moving contact 301 and 302 is arranged on outside arc control device, the number of certain moving contact 301 and 302 can increase and decrease accordingly according to the rated operational current of circuit breaker, further, moving contact 301 and 302 can be symmetricly set in the both sides of moving contact 3, also the both sides of moving contact 3 can be asymmetrically arranged at, wherein moving contact 3 first closes than moving contact 301 and 302 and divides afterwards, the starting the arc and the disjunction that are of value to electric arc all complete at moving contact 3 place, opening a sluice gate and the state of closing a floodgate when just contacting of moving contact 3 is also shown in figure.
Above-described specific embodiment; further detailed description has been carried out to the purpose of this utility model, technical scheme and beneficial effect; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. be beneficial to a circuit breaker for electric arc fast moving and elongation, comprise pedestal, fixed contact, arc control device, moving contact and operating mechanism, wherein arc control device are positioned on the left of moving contact, described operating mechanism control dynamic/static contact deciliter, it is characterized in that:
Described fixed contact (1) comprises conducting base (11), striking portion (12) and electric contact (13), described striking portion (12) and electric contact (13) be fixed on joint face (112), and described joint face (112) is positioned at first quartile relative to described base plane (4) in acute angle;
Described moving contact (3) comprises conducting rod (31) and electric contact (32), described conducting rod (31) has a protuberance (314), and being positioned at of the end face (313) in protuberance (314) is welded with electric contact (32) on fixed contact electric contact (13) direction.
2. circuit breaker according to claim 1, it is characterized in that: described arc control device (2) comprise a pair arc separating wall (21), striking grid and a pair arc insulating cover (23), described striking grid comprises the striking grid (22) at bottom striking grid (24) and top, the position of described bottom striking grid (24) is arranged lower than fixed contact electric contact (13), when the position of described top striking grid (22) is opened higher than moving contact (3), the maximum position of moving contact electric contact (32) is arranged, described arc separating wall (21) is symmetricly set in arc control device (2) both sides, described arc insulating cover (23) is arranged at two sides, moving contact (3) left and right.
3. circuit breaker according to claim 2, is characterized in that: the both sides of described moving contact (3) arrange the moving contact (301) in parallel with it and moving contact (302) respectively.
4. circuit breaker according to claim 3, it is characterized in that: described arc insulating cover (23) is made for gas exhausted material, described arc insulating cover (23) is provided with dentation protuberance (232), between the striking grid inserting in arc control device (2), described arc insulating cover (23) and described arc separating wall (21) connect as one by the mode such as riveting; Described arc insulating cover (23) is apart from the distance 0.1-3mm of moving contact side (317).
5. circuit breaker according to claim 4, is characterized in that: the contact-making surface (14) of described fixed contact electric contact (13) and moving contact electric contact (32) and the angle a of pedestal baseplane (4) are within the scope of 20 °-35 °.
6. circuit breaker according to claim 5, it is characterized in that: the electric contact (13) of striking portion (12) the next-door neighbour fixed contact 1 of described fixed contact (1) is arranged, in described base plane (4) vertical direction, described striking portion (12) compares described electric contact (13) more on the lower; Bottom striking grid (24) distance of described striking portion (12) and arc control device 2 is at 0.1-3mm; Described striking portion (12) is fixed on conducting base (11) by the mode of welding, riveting or being threaded or is formed by described conducting base (11) processing and forming.
7. circuit breaker according to claim 6, it is characterized in that: upper left point (311) of described protuberance (314) is corresponding with the striking grid (22) at described top to be arranged, when open position, upper left point (311) and top striking grid (22) distance b are at 0.1-3mm; Described distance b is less than the distance c of moving contact electric contact (32) apart from the arc extinguishing grid pieces corresponding with it.
8. circuit breaker according to claim 7, is characterized in that: described moving contact electric contact (32) protrudes from the distance of moving contact conductive base body rod subordinate plane at 4-20mm with the contact point of fixed contact electric contact (13).
9. circuit breaker according to claim 8, is characterized in that: described striking portion (12) left side is corresponding with striking grid (24) bottom arc control device (2) arrange and relative distance d at 0.1-3mm.
10. circuit breaker according to claim 9, it is characterized in that: described conducting base (11) is made up of wire connecting portion plane (111) and joint face (112), described striking portion (12) and electric contact (13) are fixed on joint face (112), described joint face (112) relative to described wire connecting portion plane (111) in acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250560.8U CN204215989U (en) | 2014-05-16 | 2014-05-16 | A kind of circuit breaker being beneficial to electric arc fast moving and elongation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250560.8U CN204215989U (en) | 2014-05-16 | 2014-05-16 | A kind of circuit breaker being beneficial to electric arc fast moving and elongation |
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| Publication Number | Publication Date |
|---|---|
| CN204215989U true CN204215989U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250560.8U Expired - Lifetime CN204215989U (en) | 2014-05-16 | 2014-05-16 | A kind of circuit breaker being beneficial to electric arc fast moving and elongation |
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| Country | Link |
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| CN (1) | CN204215989U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810222A (en) * | 2015-05-06 | 2015-07-29 | 北京人民电器厂有限公司 | Arc extinguish chamber with quick arc extinguishing function and miniaturized circuit breaker with arc extinguish chamber |
| WO2015172605A1 (en) * | 2014-05-16 | 2015-11-19 | 北京人民电器厂有限公司 | Breaker facilitating rapid movement and elongation of arc |
| CN109616390A (en) * | 2018-12-28 | 2019-04-12 | 天津京人电器有限公司 | A kind of multipole switch |
| CN111527576A (en) * | 2017-12-27 | 2020-08-11 | Ls电气株式会社 | Direct current breaker |
| CN112017924A (en) * | 2019-05-30 | 2020-12-01 | 北京京人电器有限公司 | Arc extinguishing system of circuit breaker |
| CN112490094A (en) * | 2020-12-22 | 2021-03-12 | 西安理工大学 | Current-limiting air direct-current circuit breaker arc extinguishing device and arc extinguishing method thereof |
-
2014
- 2014-05-16 CN CN201420250560.8U patent/CN204215989U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172605A1 (en) * | 2014-05-16 | 2015-11-19 | 北京人民电器厂有限公司 | Breaker facilitating rapid movement and elongation of arc |
| CN105097374A (en) * | 2014-05-16 | 2015-11-25 | 北京人民电器厂有限公司 | Breaker facilitating arc rapid movement and elongation |
| US10026578B2 (en) | 2014-05-16 | 2018-07-17 | Beijing People's Electric Plant Co., Ltd. | Breaker facilitating rapid movement and elongation of arc |
| CN104810222A (en) * | 2015-05-06 | 2015-07-29 | 北京人民电器厂有限公司 | Arc extinguish chamber with quick arc extinguishing function and miniaturized circuit breaker with arc extinguish chamber |
| CN111527576A (en) * | 2017-12-27 | 2020-08-11 | Ls电气株式会社 | Direct current breaker |
| US11430621B2 (en) | 2017-12-27 | 2022-08-30 | Ls Electric Co., Ltd. | DC circuit breaker |
| CN109616390A (en) * | 2018-12-28 | 2019-04-12 | 天津京人电器有限公司 | A kind of multipole switch |
| CN109616390B (en) * | 2018-12-28 | 2021-10-26 | 天津京人电器有限公司 | Multi-pole switch |
| CN112017924A (en) * | 2019-05-30 | 2020-12-01 | 北京京人电器有限公司 | Arc extinguishing system of circuit breaker |
| CN112017924B (en) * | 2019-05-30 | 2023-01-10 | 北京京人电器有限公司 | Arc extinguishing system of circuit breaker |
| CN112490094A (en) * | 2020-12-22 | 2021-03-12 | 西安理工大学 | Current-limiting air direct-current circuit breaker arc extinguishing device and arc extinguishing method thereof |
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