CN105006408A - Built-in explosion-proof breaker device - Google Patents
Built-in explosion-proof breaker device Download PDFInfo
- Publication number
- CN105006408A CN105006408A CN201510384740.4A CN201510384740A CN105006408A CN 105006408 A CN105006408 A CN 105006408A CN 201510384740 A CN201510384740 A CN 201510384740A CN 105006408 A CN105006408 A CN 105006408A
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- China
- Prior art keywords
- circuit breaker
- distribution
- built
- rotary handle
- draw
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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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- Breakers (AREA)
Abstract
The invention discloses a built-in explosion-proof breaker device. The breaker device comprises a main box body, a first wiring connection box and a second wiring connection box. A breaker and a linkage mechanism are arranged in the main box body. The linkage mechanism is switched between an opening state and a closing state through moving of an operating handle of the breaker. A rotation handle is arranged on a front panel. The rotation handle is in linkage connection with the linkage mechanism. A first connecting piece and a second connecting piece are arranged in the first wiring connection box and the second wiring connection box respectively. Two ends of the first connecting piece and two ends of the second connecting piece are connected with wiring connection points of the breaker and are in external connection with cables. The built-in explosion-proof breaker device is advantaged by reasonable structure, convenient operation, high safety and easy installation and maintenance.
Description
Technical field
The present invention relates to a kind of release unit, specifically provide a kind of built-in type flameproof circuit breaker device.
Background technology
Existing circuit breaker is generally when cut-offfing, electric arc can be produced, the break-make of this electric arc meeting delay switch, cause the ablation of contact, the serious switch that even may cause catches fire or explodes, if this circuit breaker is applied to inflammable and explosive hazardous area, as chemical plant, pharmaceutical factory, coal preparation plant, oil field etc., then become larger potential safety hazard.And in these places, the circuit breaker element because on-the-spot actual demand operation more and can cause that controller switching equipment volume is large, weight is large, operating difficulties and the not problem such as easy care, and then cause part controller switching equipment not easily to be installed even cannot installing.
Therefore, how structural improvement is carried out to existing circuit breaker, become people's problem demanding prompt solution.
Summary of the invention
For above-mentioned technical problem, the object of the present invention is to provide a kind of built-in type flameproof circuit breaker device, at least to solve in the past, circuit breaker explosion-proof security is poor, and operation inconvenience, is not easy to the problems such as installation and maintenance.
For achieving the above object, technical scheme provided by the invention is: a kind of built-in type flameproof circuit breaker device, comprising:
Main box, surrounded by base plate, side plate and front panel, wherein, be provided with circuit breaker in described main box and make its interlinked mechanism switched at separating brake and "on" position by the lever stirring described circuit breaker, described front panel is provided with rotary handle, and described rotary handle and described interlinked mechanism are connected;
Distribution is plugged into case, comprise plug into case and the second distribution of being connected to described main box bottom of the first distribution being connected to described main box top to plug into case, wherein, plug into case and described second distribution of described first distribution is plugged in case and is respectively arranged with the first connector and the second connector, wherein, the distribution that described first connector and described second connector two ends connect described circuit breaker is respectively plugged into a little and external distribution.
Preferably, described main box internal fixtion arranges a fixed head, described fixed head is provided with the first slideway longitudinally arranged along it, described interlinked mechanism comprises the trace that is connected with described rotary handle and controls its slide slided along described first slideway by described trace, wherein, the lever that described circuit breaker is stirred in the slip of described slide makes described circuit breaker switch at separating brake and "on" position.
Further preferably, described trace is fixedly connected with the linked block that is provided with draw-in groove, described fixed head is also provided with and lays respectively at described first slideway both sides and second slideway parallel with described first slideway and the 3rd slideway, wherein, described slide is provided with the first plectrum and second plectrum of the lever for stirring described circuit breaker, slip is connected in the first clamping sheet and the second clamping sheet of described second slideway and the 3rd slideway and passes described first slideway and the connecting rod be limited in the draw-in groove on described linked block, wherein, described connecting rod under the drive of described contiguous block along described first slide.
Further preferably, described second chute and the 3rd chute are respectively arranged with the first installation portion corresponding to described first clamping sheet and the second clamping sheet and the second installation portion, wherein, under the interlock of described rotary handle drives, described first clamping sheet misplaces corresponding with described first installation portion, and described second clamping sheet misplaces corresponding with described second installation portion.
Further preferably, plug into case and the second distribution of described first distribution is plugged into and case is respectively arranged with and can relatively described first distributing cabinet and the second distribution plugs into the wiring protecting cover that case slides, wherein, described wiring protecting cover is provided with through hole, in described through hole, helmet is installed.
Further preferably, described built-in type flameproof circuit breaker device also comprises locking mechanism, described locking mechanism comprises and is arranged on described rotary handle and and can be connected with described front panel and be positioned at the spacing ring of described rotary handle rotational trajectory periphery along the locking plate of described rotary handle radial expansion, wherein, described spacing ring is provided with the first draw-in groove and the second draw-in groove that coordinate with described locking plate, open a sluice gate when the operating grip of described circuit breaker is in/closing position time, the position of described locking plate is corresponding with the position of described first draw-in groove and the second draw-in groove respectively.
Further preferably, the front end of described locking plate can protrude from described spacing ring through described first draw-in groove or the second draw-in groove, and wherein, the piecemeal activity that described locking plate can protrude from described spacing ring is connected with the card that the described locking plate of restriction exits described spacing ring.
Further preferably, described locking plate and described rotary handle are provided with keyhole, when described locking plate is radially outward stretched in described first draw-in groove or the second draw-in groove along described rotary handle, keyhole on described locking plate can be corresponding with the keyhole on described rotary handle, when described locking plate is limited in inside described spacing ring, the keyhole on described locking plate misplaces corresponding with the keyhole on described rotary handle.
Further preferably, the base plate of described main box is provided with Access Division, is provided with the auxiliary section coordinated with described Access Division bottom described circuit breaker.
Further preferably, described main box is closed box.
Built-in type flameproof circuit breaker device provided by the invention, be made up of main box and distribution case of plugging into, wherein, circuit breaker is provided with in main box, the distribution of described circuit breaker is plugged into and is a little connected with external distribution by plug into the first connector in case and the second connector of distribution, the interlinked mechanism be connected with it can be driven by the rotary handle rotated on main box front panel, and then the lever stirring described circuit breaker makes it switch at separating brake and "on" position, avoid the potential safety hazard existing for the lever described circuit breaker being directly exposed to direct control main box inner breaker in external environment condition, improve the explosion-proof security of circuit breaker, reduce the operational risk of operating personnel, in addition, this built-in type flameproof circuit breaker device is easy for installation, only external distribution need be connected on the first connector and the second connector and can use, and in the process used, do not need to open main box operating breaker because of the problem of distribution connection, the potential safety hazard existed when substantially reducing operating breaker.
Built-in type flameproof circuit breaker device provided by the invention, rational in infrastructure, easy to operate, high safety, is easy to installation and maintenance.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is built-in type flameproof circuit breaker device internal structure schematic diagram of the present invention;
Fig. 2 is built-in type flameproof circuit breaker device front view of the present invention;
Fig. 3 is the structural representation of interlinked mechanism.
Embodiment
Below in conjunction with specific embodiment, the present invention is further explained, but does not limit to the present invention.
In order to solve in the past, circuit breaker explosion-proof security is poor, operation inconvenience, be not easy to the problems such as installation and maintenance, as Fig. 1, Fig. 2, shown in Fig. 3, the invention provides a kind of built-in type flameproof circuit breaker device, comprise: main box and distribution are plugged into case, wherein, described main box is by base plate 11, side plate and front panel 13 surround, wherein, be provided with circuit breaker 2 in described main box and make its interlinked mechanism switched at separating brake and "on" position by the lever 21 stirring described circuit breaker 2, described front panel 13 is provided with rotary handle 4, described rotary handle 4 is connected with described interlinked mechanism, described distribution case 5 of plugging into comprises plug into case 51 and the second distribution of being connected to described main box bottom of the first distribution being connected to described main box top and to plug into case 52, wherein, plug into case 51 and described second distribution of described first distribution is plugged in case 52 and is respectively arranged with the first connector 511 and the second connector 521, wherein, the distribution that described first connector 511 and described second connector 521 two ends connect described circuit breaker 2 is respectively plugged into a little and external distribution, wherein, described main box is preferably the main box closed.
This built-in type flameproof circuit breaker device, be made up of main box and distribution case of plugging into, wherein, circuit breaker is provided with in main box, the distribution of described circuit breaker is plugged into and is a little connected with external distribution by plug into the first connector in case and the second connector of distribution, the interlinked mechanism be connected with it can be driven by the rotary handle rotated on main box front panel, and then the lever stirring described circuit breaker makes it switch at separating brake and "on" position, avoid the potential safety hazard existing for the lever described circuit breaker being directly exposed to direct control main box inner breaker in external environment condition, improve the explosion-proof security of circuit breaker, reduce the operational risk of operating personnel, in addition, this built-in type flameproof circuit breaker device is easy for installation, only external distribution need be connected on the first connector and the second connector and can use, and in the process used, do not need to open main box operating breaker because of the problem of distribution connection, the potential safety hazard existed when substantially reducing operating breaker.
Wherein, here concrete restriction is not done to the structure of interlinked mechanism, as long as can realize by rotating described rotary handle, the lever just stirring described circuit breaker makes it switch at separating brake and "on" position, provide a kind of preferred structure of interlinked mechanism below, as Fig. 1, shown in Fig. 3, described main box internal fixtion arranges a fixed head 14, described fixed head 14 is provided with the first slideway 141 longitudinally arranged along it, described interlinked mechanism comprises the trace 31 that is connected with described rotary handle 4 and controls its slide slided along described first slideway 141 by described trace 31, wherein, the lever that described circuit breaker 2 is stirred in the slip of described slide makes described circuit breaker switch at separating brake and "on" position.
Wherein, trace rotates under the drive of described rotary handle, described trace can drive slide to move along the first slideway further, here the structure that can realize this function is not specifically limited, as long as the rectilinear motion rotation of trace being transformed slide can be realized, provide a kind of preferred structure realizing this function below, as Fig. 1, shown in Fig. 3, described trace 31 is fixedly connected with the linked block 33 that is provided with draw-in groove 331, described fixed head 14 is also provided with and lays respectively at described first slideway 141 both sides and second slideway 142 parallel with described first slideway 141 and the 3rd slideway 143, wherein, described slide is provided with the first plectrum 321 and the second plectrum 322 of the lever for stirring described circuit breaker 2, slip is connected in the first clamping sheet 323 and the second clamping sheet 324 of described second slideway 142 and the 3rd slideway 143 and passes described first slideway 141 and the connecting rod 325 be limited in the draw-in groove 331 on described linked block 33, wherein, described connecting rod 325 slides along described first chute 141 under the drive of described contiguous block 33.
Wherein, as shown in Figure 3, described second chute 142 and the 3rd chute 143 are respectively arranged with the first installation portion 1421 and the second installation portion 1431 corresponding to described first clamping sheet 323 and the second clamping sheet 324, wherein, in order to prevent under the drive of trace, described slide departs from described fixed head, as the improvement of technical scheme, under the interlock of described rotary handle 4 drives, described first clamping sheet 323 misplaces corresponding with described first installation portion 1421, and described second clamping sheet 324 misplaces corresponding with described second installation portion 1431.
Wherein, as shown in Figure 2, the conveniently connection of external distribution and the first connector and the second connector, plug into case 51 and the second distribution of described first distribution is plugged into and case 52 is respectively arranged with and can relatively described first distributing cabinet 51 and the second distribution plugs into the wiring protecting cover that case 52 slides, when described external distribution is connected with described first connector and the second connector by needs, slide described wiring protecting cover, external distribution is connected to the first connector exposed or the second connector terminals, afterwards wiring backplate is slid back to original position, described wiring protecting cover is provided with through hole, in described through hole, helmet is installed, when described external distribution and described first connector and the second connector disconnect by needs, open helmet, unclamp the screw connecting external distribution and the first connector or the second connector terminals, external distribution is extracted, then helmet is installed, whole simple operation, safety.
During in order to ensure that described circuit breaker is in separating brake or "on" position, circuit breaker can not be made state is changed because the external world rotates described rotary handle by mistake, as the improvement of technical scheme, as shown in Figure 2, described built-in type flameproof circuit breaker device also comprises locking mechanism, described locking mechanism comprises and is arranged on described rotary handle 4 and and can be connected with described front panel 13 and be positioned at the spacing ring 62 of described rotary handle rotational trajectory periphery along the locking plate 61 of described rotary handle 4 radial expansion, wherein, described spacing ring 62 is provided with the first draw-in groove 621 and the second draw-in groove 622 coordinated with described locking plate 61, open a sluice gate when the operating grip of described circuit breaker 2 is in/closing position time, the position of described locking plate 61 is corresponding with the position of described first draw-in groove 621 and the second draw-in groove 622 respectively, that is: described locking plate can stretch into described first draw-in groove or the second draw-in groove, realize the locking of circuit-breaker status.
Wherein, in order to ensure further locking mechanism lock-out state, the invention provides two kinds of preferred versions:
One, the front end of described locking plate 61 can protrude from described spacing ring 62 through described first draw-in groove 621 or the second draw-in groove 622, wherein, the piecemeal activity that described locking plate 61 can protrude from described spacing ring 62 is connected with the card (not shown) that the described locking plate 61 of restriction exits described spacing ring 62.
Two, described locking plate 61 and described rotary handle 4 are provided with keyhole (not shown), when described locking plate 61 is radially outward stretched in described first draw-in groove 621 or the second draw-in groove 622 along described rotary handle 4, keyhole on described locking plate 61 can be corresponding with the keyhole on described rotary handle 4, when described locking plate 61 is limited in inside described spacing ring 62, the keyhole on described locking plate 61 misplaces corresponding with the keyhole on described rotary handle 4.
In order to ensure that described circuit breaker is fixedly connected in described main box, as the further improvement of technical scheme, the base plate 11 of described main box is provided with Access Division, the auxiliary section coordinated with described Access Division is provided with bottom described circuit breaker 2, wherein, the concrete structure of described Access Division and described auxiliary section does not limit, as long as the clamping both realizing.
The specific embodiment of the present invention carries out writing according to the mode of going forward one by one, and highlight the difference of each embodiment, its similar portion can cross-reference.
By reference to the accompanying drawings embodiments of the present invention are elaborated above, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (10)
1. a built-in type flameproof circuit breaker device, is characterized in that, comprising:
Main box, surrounded by base plate (11), side plate and front panel (13), wherein, be provided with circuit breaker (2) in described main box and make its interlinked mechanism switched at separating brake and "on" position by the lever stirring described circuit breaker (2), described front panel (13) is provided with rotary handle (4), described rotary handle (4) and described interlinked mechanism are connected;
Distribution is plugged into case, comprise plug into case (51) and the second distribution of being connected to described main box bottom of the first distribution being connected to described main box top to plug into case (52), wherein, plug into case (51) and described second distribution of described first distribution is plugged in case (52) and is respectively arranged with the first connector (511) and the second connector (521), wherein, the distribution that described first connector (511) and described second connector (521) two ends connect described circuit breaker (2) is respectively plugged into a little and external distribution.
2. according to a kind of built-in type flameproof circuit breaker device according to claim 1, it is characterized in that: described main box internal fixtion arranges a fixed head (14), described fixed head (14) is provided with the first slideway (141) longitudinally arranged along it, described interlinked mechanism comprises the trace (31) that is connected with described rotary handle (4) and controls its slide slided along described first slideway (141) by described trace (31), wherein, the lever that described circuit breaker (2) is stirred in the slip of described slide makes described circuit breaker switch at separating brake and "on" position.
3. according to a kind of built-in type flameproof circuit breaker device according to claim 2, it is characterized in that: described trace (31) is fixedly connected with the linked block (33) that is provided with draw-in groove (331), described fixed head (14) is also provided with and lays respectively at described first slideway (141) both sides and second slideway (142) parallel with described first slideway (141) and the 3rd slideway (143), wherein, described slide is provided with the first plectrum (321) and second plectrum (322) of the lever for stirring described circuit breaker (2), slip is connected in the first clamping sheet (323) and the second clamping sheet (324) of described second slideway (142) and the 3rd slideway (143) and passes described first slideway (141) and the connecting rod (325) be limited in the draw-in groove (331) on described linked block (33), wherein, described connecting rod (325) slides along described first chute (141) under the drive of described contiguous block (33).
4. according to a kind of built-in type flameproof circuit breaker device according to claim 3, it is characterized in that: described second chute (142) and the 3rd chute (143) are respectively arranged with the first installation portion (1421) corresponding to described first clamping sheet (323) and the second clamping sheet (324) and the second installation portion (1431), wherein, under the interlock of described rotary handle (4) drives, described first clamping sheet (323) misplaces corresponding with described first installation portion (1421), and described second clamping sheet (324) misplaces corresponding with described second installation portion (1431).
5. according to a kind of built-in type flameproof circuit breaker device according to claim 1, it is characterized in that: plug into case (51) and the second distribution of described first distribution is plugged into and case (52) be respectively arranged with and can relatively described first distributing cabinet (51) and the second distribution plug into the wiring protecting cover that case (52) slides, wherein, described wiring protecting cover is provided with through hole, in described through hole, helmet is installed.
6. according to a kind of built-in type flameproof circuit breaker device according to claim 1, it is characterized in that: also comprise locking mechanism, described locking mechanism comprises that to be arranged at described rotary handle (4) upper and and can be connected with described front panel (13) and be positioned at the spacing ring (62) of described rotary handle rotational trajectory periphery along the locking plate (61) of described rotary handle (4) radial expansion, wherein, described spacing ring (62) is provided with the first draw-in groove (621) and the second draw-in groove (622) that coordinate with described locking plate (61), open a sluice gate when the operating grip of described circuit breaker (2) is in/closing position time, the position of described locking plate (61) is corresponding with the position of described first draw-in groove (621) and the second draw-in groove (622) respectively.
7. according to built-in type flameproof circuit breaker device described in claim 6, it is characterized in that: the front end of described locking plate (61) can protrude from described spacing ring (62) through described first draw-in groove (621) or the second draw-in groove (622), wherein, the piecemeal activity that described locking plate (61) can protrude from described spacing ring (62) is connected with the card that described spacing ring (62) are exited in the described locking plate of restriction (61).
8. according to a kind of built-in type flameproof circuit breaker device according to claim 6, it is characterized in that: described locking plate (61) and described rotary handle (4) are provided with keyhole, when described locking plate (61) is radially outward stretched in described first draw-in groove (621) or the second draw-in groove (622) along described rotary handle (4), keyhole on described locking plate (61) can be corresponding with the keyhole on described rotary handle (4), when described locking plate (61) is limited in described spacing ring (62) inner side, keyhole on described locking plate (61) misplaces corresponding with the keyhole on described rotary handle (4).
9. according to a kind of built-in type flameproof circuit breaker device according to claim 1, it is characterized in that: the base plate (11) of described main box is provided with Access Division, described circuit breaker (2) bottom is provided with the auxiliary section coordinated with described Access Division.
10., according to a kind of built-in type flameproof circuit breaker device according to claim 1, it is characterized in that: described main box is closed box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384740.4A CN105006408A (en) | 2015-06-30 | 2015-06-30 | Built-in explosion-proof breaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384740.4A CN105006408A (en) | 2015-06-30 | 2015-06-30 | Built-in explosion-proof breaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105006408A true CN105006408A (en) | 2015-10-28 |
Family
ID=54379038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384740.4A Pending CN105006408A (en) | 2015-06-30 | 2015-06-30 | Built-in explosion-proof breaker device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105006408A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321052A (en) * | 2018-02-07 | 2018-07-24 | 华荣科技股份有限公司 | A kind of breaker operating-controlling mechanism and its breaker |
| CN111726957A (en) * | 2020-06-18 | 2020-09-29 | 万丽 | Waterproof and explosion-proof box with operating rod for controlling touch screen |
| CN112736708A (en) * | 2020-12-30 | 2021-04-30 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
| CN116525327A (en) * | 2023-05-06 | 2023-08-01 | 保定市冀中电力设备有限责任公司 | Secondary fusion on-column circuit breaker with protection type isolating switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527947U (en) * | 2009-10-15 | 2010-07-14 | 合隆防爆电气有限公司 | Panel type operating mechanism of explosion-proof circuit breaker |
| CN101866785A (en) * | 2010-05-27 | 2010-10-20 | 新黎明防爆电器有限公司 | Operating mechanism for residual current circuit breaker in enclosed shell |
| CN201956295U (en) * | 2011-04-08 | 2011-08-31 | 新黎明防爆电器有限公司 | Operating mechanism of circuit breaker used inside sealed shell |
| CN202167367U (en) * | 2011-06-17 | 2012-03-14 | 陈建国 | Power switch interlock |
| CN104157488A (en) * | 2014-08-14 | 2014-11-19 | 温州奔一电气有限公司 | Photovoltaic isolation protection switch |
-
2015
- 2015-06-30 CN CN201510384740.4A patent/CN105006408A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527947U (en) * | 2009-10-15 | 2010-07-14 | 合隆防爆电气有限公司 | Panel type operating mechanism of explosion-proof circuit breaker |
| CN101866785A (en) * | 2010-05-27 | 2010-10-20 | 新黎明防爆电器有限公司 | Operating mechanism for residual current circuit breaker in enclosed shell |
| CN201956295U (en) * | 2011-04-08 | 2011-08-31 | 新黎明防爆电器有限公司 | Operating mechanism of circuit breaker used inside sealed shell |
| CN202167367U (en) * | 2011-06-17 | 2012-03-14 | 陈建国 | Power switch interlock |
| CN104157488A (en) * | 2014-08-14 | 2014-11-19 | 温州奔一电气有限公司 | Photovoltaic isolation protection switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321052A (en) * | 2018-02-07 | 2018-07-24 | 华荣科技股份有限公司 | A kind of breaker operating-controlling mechanism and its breaker |
| CN111726957A (en) * | 2020-06-18 | 2020-09-29 | 万丽 | Waterproof and explosion-proof box with operating rod for controlling touch screen |
| CN112736708A (en) * | 2020-12-30 | 2021-04-30 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
| CN112736708B (en) * | 2020-12-30 | 2023-03-21 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
| CN116525327A (en) * | 2023-05-06 | 2023-08-01 | 保定市冀中电力设备有限责任公司 | Secondary fusion on-column circuit breaker with protection type isolating switch |
| CN116525327B (en) * | 2023-05-06 | 2023-10-20 | 保定市冀中电力设备有限责任公司 | Secondary fusion on-column circuit breaker with protection type isolating switch |
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