CN103681034A - Ring main unit - Google Patents
Ring main unit Download PDFInfo
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- CN103681034A CN103681034A CN201310753067.8A CN201310753067A CN103681034A CN 103681034 A CN103681034 A CN 103681034A CN 201310753067 A CN201310753067 A CN 201310753067A CN 103681034 A CN103681034 A CN 103681034A
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- incoming line
- line cabinet
- baffle
- switch
- montant
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- 230000007246 mechanism Effects 0.000 claims abstract description 153
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000015556 catabolic process Effects 0.000 abstract 1
- 206010033799 Paralysis Diseases 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The invention provides a ring main unit which comprises an incoming cabinet. The incoming cabinet comprises a first incoming cabinet, a second incoming cabinet and a first locking device, wherein the input ends of the first incoming cabinet and the second incoming cabinet are respectively connected with a power supply; the output ends of the first incoming cabinet and the second incoming cabinet are respectively connected with the same load; the first incoming cabinet is provided with a first switch operating mechanism; the first switch operating mechanism enables the first incoming cabinet to have a first switch-on position and a first switch-off position; the first locking device comprises a first transmission mechanism and a first baffle connected with the first transmission mechanism; and when the first switch operating mechanism is rotated to enable the first incoming cabinet to be at the first switch-on position, the first transmission mechanism drives the first baffle to move, so that the first baffle is positioned a first shielding position for shielding an operating space of a second switch operating mechanism. The technical scheme adopted by the invention effectively solves the problem of breakdown of an integral power supply system, which is caused by the fault of the ring chain unit in the prior art, and avoids misoperation.
Description
Technical field
The present invention relates to switch cubicle technical field, in particular to a kind of ring main unit.
Background technology
Along with the development of national economy, the progress of science and technology, the electricity consumption places such as industrial and mining enterprises, residential quarters, harbour and skyscraper have started to use on a large scale ring main unit.Ring main unit simple in structure, safe and reliable to operation, frequency of maintenance is low and operating cost is few, to compare advantage very outstanding with traditional switch cubicle.
After but the power supply of ring main unit or system break down in prior art, will cause whole electric power system paralysis.
Summary of the invention
The present invention aims to provide a kind of ring main unit, to solve the problem that in prior art, ring main unit will cause whole electric power system to be paralysed after breaking down.
To achieve these goals, the invention provides a kind of ring main unit, comprise incoming line cabinet, incoming line cabinet comprises the first incoming line cabinet and the second incoming line cabinet, the input of the first incoming line cabinet and the second incoming line cabinet is connected with power supply respectively, and the output of the first incoming line cabinet and the second incoming line cabinet is connected with same load respectively; The first incoming line cabinet has the first switch operation mechanism, the first switch operation mechanism makes the first incoming line cabinet have the first on-position and the first open position, the second incoming line cabinet has second switch operating mechanism, and second switch operating mechanism makes the second incoming line cabinet have the second on-position and the second open position; Incoming line cabinet also comprises the first locking device, be arranged between the first switch operation mechanism and second switch operating mechanism, the first locking device comprises the first transmission mechanism and the first baffle plate being connected with the first transmission mechanism, the first transmission mechanism coordinates with the first switch operation mechanism, and the first baffle plate coordinates with second switch operating mechanism; Rotating the first switch operation mechanism makes the first incoming line cabinet when the first on-position, the first transmission mechanism drives the first baffle plate to move, so that the first baffle plate in block second switch operating mechanism operating space first block position, rotating the first switch operation mechanism makes the first incoming line cabinet when the first open position, the first transmission mechanism drives the first baffle plate to move so that the first baffle plate in dodge second switch operating mechanism operating space first dodge position.
Further, between the first incoming line cabinet and the second incoming line cabinet, be provided with dividing plate, dividing plate has the first installing hole; The first transmission mechanism comprises: the first cam and head rod, the first cam is arranged on the first switch operation mechanism, head rod is located in the first installing hole movably, and the first end of head rod coordinates with the first cam, and the first baffle plate is arranged on the second end of head rod.
Further, head rod comprises the first cross bar, the first montant and the second montant, and the first montant and the second montant are separately positioned on the two ends of the first cross bar, and the first montant forms the first end of head rod, and the second montant forms the second end of head rod.
Further, the first switch operation mechanism has the first handle hole, second switch operating mechanism has the second handle hole, on the first baffle plate, have first and dodge hole, the first baffle plate is when first blocks position, first dodges hole and the dislocation of the second handle hole, and the first baffle plate is when first dodges position, and first dodges hole aims at the second handle hole.
Further, the first spring is installed on head rod, the first end of the first spring and dividing plate butt, the second end of the first spring be fixed on head rod.
Further, incoming line cabinet also comprises the second locking device, be arranged between the first switch operation mechanism and second switch operating mechanism, the second locking device comprises the second transmission mechanism and the second baffle being connected with the second transmission mechanism, the second transmission mechanism coordinates with second switch operating mechanism, and second baffle coordinates with the first switch operation mechanism; Rotating second switch operating mechanism makes the second incoming line cabinet when the second on-position, the second transmission mechanism drives second baffle to move, so that second baffle in block the first switch operation mechanism operating space second block position, rotating second switch operating mechanism makes the second incoming line cabinet when the second open position, the second transmission mechanism drives second baffle to move so that second baffle in dodge the first switch operation mechanism operating space second dodge position.
Further, dividing plate also has the second installing hole; The second transmission mechanism comprises: the second cam and the second connecting rod, the second cam is arranged on second switch operating mechanism, the second connecting rod is located in the second installing hole movably, and the first end of the second connecting rod coordinates with the second cam, and second baffle is arranged on the second end of the second connecting rod.
Further, the second connecting rod comprises the second cross bar, the 3rd montant and the 4th montant, and the 3rd montant and the 4th montant are separately positioned on the two ends of the second cross bar, and the 3rd montant forms the first end of the second connecting rod, and the 4th montant forms the second end of the second connecting rod.
Further, second switch operating mechanism has the second handle hole, the first switch operation mechanism has the first handle hole, on second baffle, have second and dodge hole, second baffle is when second blocks position, second dodges hole and the dislocation of the first handle hole, and second baffle is when second dodges position, and second dodges hole aims at the first handle hole.
Further, the second spring is installed on the second connecting rod, the first end of the second spring and dividing plate butt, the second end of the second spring be fixed on the second connecting rod.
Apply technical scheme of the present invention, incoming line cabinet comprises the first incoming line cabinet and the second incoming line cabinet.Before operation ring main unit, the first incoming line cabinet is in the first open position, and the second incoming line cabinet is in the second open position.Operate the first switch operation mechanism and make the first incoming line cabinet in the first on-position, the first switch operation mechanism drives the first baffle plate of the first locking device to move, make the first baffle plate in block second switch operating mechanism operating space first block position.When enabling the first incoming line cabinet to load while powering, the second switch operating mechanism of the second incoming line cabinet, in the state of being blocked, has so just effectively been avoided the misoperation when use ring main unit.After the first incoming line cabinet breaks down, rotating the first switch operation mechanism makes the first incoming line cabinet in the first open position, the first switch operation mechanism drives the first baffle plate to move, make the first baffle plate in dodge second switch operating mechanism operating space first dodge position, just can operate second switch operating mechanism the second incoming line cabinet is powered to load in the second on-position.Like this, technical scheme of the present invention has solved ring main unit in prior art effectively will cause the problem of whole electric power system paralysis after breaking down, and may occur the problem of misoperation while having avoided using ring main unit of the present invention.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the structural representation of the embodiment of ring main unit of the present invention; And
Fig. 2 shows the local enlarged diagram of the ring main unit of Fig. 1.
Above-mentioned accompanying drawing comprises the following drawings mark:
100, the first incoming line cabinet; 200, the second incoming line cabinet; 111, the first cam; 112, the first baffle plate; 113, head rod; 114, first dodge hole; 115, the first spring; 150, the first switch operation mechanism; 211, the second cam; 212, second baffle; 213, the second connecting rod; 214, second dodge hole; 215, the second spring; 250, second switch operating mechanism.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As depicted in figs. 1 and 2, the ring main unit of the present embodiment comprises incoming line cabinet, and incoming line cabinet comprises the first incoming line cabinet 100 and the second incoming line cabinet 200.Wherein, the input of the first incoming line cabinet 100 and the second incoming line cabinet 200 is connected with power supply respectively, and the output of the first incoming line cabinet 100 and the second incoming line cabinet 200 is connected with same load respectively.The first incoming line cabinet 100 has the first switch operation mechanism 150, the first switch operation mechanisms 150 makes the first incoming line cabinet 100 have the first on-position and the first open position.The second incoming line cabinet 200 has second switch operating mechanism 250, and second switch operating mechanism 250 makes the second incoming line cabinet 200 have the second on-position and the second open position.Incoming line cabinet also comprises the first locking device, is arranged between the first switch operation mechanism 150 and second switch operating mechanism 250, and the first locking device comprises the first transmission mechanism and the first baffle plate 112 being connected with the first transmission mechanism.The first transmission mechanism coordinates with the first switch operation mechanism 150, and the first baffle plate 112 coordinates with second switch operating mechanism 250.Rotate the first switch operation mechanism 150 and make the first incoming line cabinet 100 when the first on-position, the first transmission mechanism drives the first baffle plate 112 to move so that the first baffle plate 112 in block second switch operating mechanism 250 operating space first block position.Rotate the first switch operation mechanism 150 and make the first incoming line cabinet 100 when the first open position, the first transmission mechanism drives the first baffle plate 112 to move so that the first baffle plate 112 in dodge second switch operating mechanism 250 operating space first dodge position.
The technical scheme of application the present embodiment, incoming line cabinet comprises the first incoming line cabinet 100 and the second incoming line cabinet 200.Before operation ring main unit, the first incoming line cabinet 100 is in the first open position, and the second incoming line cabinet 200 is in the second open position.Operating the first switch operation mechanism 150 makes the first incoming line cabinet 100 in the first on-position, the first switch operation mechanism 150 drives the first baffle plate 112 of the first locking devices to move, make the first baffle plate 112 in block second switch operating mechanism 250 operating space first block position.When enabling 100 pairs of loads of the first incoming line cabinet and power, the second switch operating mechanism 250 of the second incoming line cabinet 200, in the state of being blocked, has so just effectively been avoided the misoperation when using ring main unit.After the first incoming line cabinet 100 breaks down, rotating the first switch operation mechanism 150 makes the first incoming line cabinet 100 in the first open position, the first switch operation mechanism 150 drives the first baffle plate 112 to move, make the first baffle plate 112 in dodge second switch operating mechanism 250 operating space first dodge position, just can operate second switch operating mechanism 250 the second incoming line cabinet 200 is powered to load in the second on-position.Like this, the technical scheme of the present embodiment has solved ring main unit in prior art effectively will cause the problem of whole electric power system paralysis after breaking down, and may occur the problem of misoperation while having avoided using the ring main unit of the present embodiment.
As shown in Figure 2, in the present embodiment, between the first incoming line cabinet 100 and the second incoming line cabinet 200, be provided with dividing plate, dividing plate has the first installing hole.The first transmission mechanism comprises: the first cam 111 and head rod 113, the first cam 111 is arranged on the first switch operation mechanism 150, head rod 113 is located in the first installing hole movably, the first end of head rod 113 coordinates with the first cam 111, and the first baffle plate 112 is arranged on the second end of head rod 113.Like this, when controlling the first incoming line cabinet 100 in the first on-position, can make easily the second switch operating mechanism 250 of the second incoming line cabinet 200 in the state of being blocked.Preferably, head rod 113 comprises the first cross bar, the first montant and the second montant, the first montant and the second montant are separately positioned on the two ends of the first cross bar, and the first montant forms the first end of head rod 113, and the second montant forms the second end of head rod 113.The first switch operation mechanism 150 has the first handle hole, second switch operating mechanism 250 has the second handle hole, on the first baffle plate 112, have first and dodge hole 114, the first baffle plate 112 is when first blocks position, first dodges hole 114 and the dislocation of the second handle hole, the first baffle plate 112 is when first dodges position, and first dodges hole 114 aims at the second handle hole.
For the first incoming line cabinet 100 first baffle plate 112 after the first open position can be automatically reset, the first spring 115 is installed on head rod 113, the first end of the first spring 115 and dividing plate butt, the second end of the first spring 115 be fixed on head rod 113.Like this, when operation the first switch operation mechanism 150 drives the first cam 111 to go back to after initial position, the restoring force of the first spring 115 can drive the first baffle plate 112 to reset, make the first baffle plate 112 in dodge second switch operating mechanism 250 operating space first dodge position.
As shown in Figure 2, in the present embodiment, incoming line cabinet also comprises the second locking device, is arranged between the first switch operation mechanism 150 and second switch operating mechanism 250.The second locking device comprises the second transmission mechanism and second baffle 212, the second transmission mechanisms that are connected with the second transmission mechanism coordinate with second switch operating mechanism 250, and second baffle 212 coordinates with the first switch operation mechanism 150.Rotate second switch operating mechanism 250 and make the second incoming line cabinet 200 when the second on-position, the second transmission mechanism drives second baffle 212 to move so that second baffle 212 in block the first switch operation mechanism 150 operating space second block position.Rotate second switch operating mechanism 250 and make the second incoming line cabinet 200 when the second open position, the second transmission mechanism drives second baffle 212 to move so that second baffle 212 in dodge the first switch operation mechanism 150 operating space second dodge position.
The function class of the second locking device and above-mentioned the first locking device seemingly, when enabling 200 pairs of loads of the second incoming line cabinet and power, the first switch operation mechanism 150 of the first incoming line cabinet 100, in the state of being blocked, has so just effectively been avoided the misoperation when using ring main unit.After the second incoming line cabinet 200 breaks down, rotating second switch operating mechanism 250 makes the second incoming line cabinet 200 in the second open position, second switch operating mechanism 250 drives second baffle 212 to move, make second baffle 212 in dodge the first switch operation mechanism 150 operating space second dodge position, just can operate the first switch operation mechanism 150 the first incoming line cabinet 100 is powered to load in the first on-position.Like this, effectively realized the interlocking of two incoming line cabinets, when using 100 pairs of loads of the first incoming line cabinet to power, just limited and used the second incoming line cabinet 200 loads to power simultaneously; When using the second incoming line cabinet 200 loads to power, just limited and used 100 pairs of loads of the first incoming line cabinet to power simultaneously, make the ring main unit operating characteristics of the present embodiment better.
As shown in Figure 2, in the present embodiment, dividing plate also has the second installing hole, and the second transmission mechanism comprises: the second cam 211 and the second connecting rod 213.Wherein, the second cam 211 is arranged on second switch operating mechanism 250, the second connecting rod 213 is located in the second installing hole movably, and the first end of the second connecting rod 213 coordinates with the second cam 211, and second baffle 212 is arranged on the second end of the second connecting rod 213.Like this, when controlling the second incoming line cabinet 200 in the second on-position, can make easily the first switch operation mechanism 150 of the first incoming line cabinet 100 in the state of being blocked.Preferably, the second connecting rod 213 comprises the second cross bar, the 3rd montant and the 4th montant, the 3rd montant and the 4th montant are separately positioned on the two ends of the second cross bar, and the 3rd montant forms the first end of the second connecting rod 213, and the 4th montant forms the second end of the second connecting rod 213.The first switch operation mechanism 150 has the first handle hole, on second baffle 212, have second and dodge hole 214, second baffle 212 is when second blocks position, second dodges hole 214 and the dislocation of the first handle hole, second baffle 212 is when second dodges position, and second dodges hole 214 aims at the first handle hole.
For the second incoming line cabinet 200 second baffle 212 after the second open position can be automatically reset, the second spring 215 is installed on the second connecting rod 213, the first end of the second spring 215 and dividing plate butt, the second end of the second spring 215 be fixed on the second connecting rod 213.Like this, when operation second switch operating mechanism 250 drives the second cam 211 to go back to after initial position, the restoring force of the second spring 215 can drive second baffle 212 to reset, make second baffle 212 in dodge the first switch operation mechanism 150 operating space second dodge position.
Preferably, in order to realize moving horizontally of the first baffle plate 112 and second baffle 212, in the first incoming line cabinet 100, be provided with the guiding mechanism coordinating with the first baffle plate 112.Preferably, guiding mechanism comprises and is formed on the elongated hole on the first baffle plate 112 and is arranged on the lead in this hole, and lead is arranged in the first incoming line cabinet 100.In the second incoming line cabinet 200, be provided with the guiding mechanism coordinating with second baffle 212.Guiding mechanism also can adopt the fit structure in post and hole.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a ring main unit, comprises incoming line cabinet, it is characterized in that,
Described incoming line cabinet comprises the first incoming line cabinet (100) and the second incoming line cabinet (200), described the first incoming line cabinet (100) is connected with power supply respectively with the input of described the second incoming line cabinet (200), and the output of described the first incoming line cabinet (100) and described the second incoming line cabinet (200) is connected with same load respectively;
Described the first incoming line cabinet (100) has the first switch operation mechanism (150), described the first switch operation mechanism (150) makes described the first incoming line cabinet (100) have the first on-position and the first open position, described the second incoming line cabinet (200) has second switch operating mechanism (250), and described second switch operating mechanism (250) makes described the second incoming line cabinet (200) have the second on-position and the second open position;
Described incoming line cabinet also comprises the first locking device, be arranged between described the first switch operation mechanism (150) and described second switch operating mechanism (250), described the first locking device comprises the first transmission mechanism and the first baffle plate (112) being connected with described the first transmission mechanism, described the first transmission mechanism coordinates with described the first switch operation mechanism (150), and described the first baffle plate (112) coordinates with described second switch operating mechanism (250);
Rotating described the first switch operation mechanism (150) makes described the first incoming line cabinet (100) when described the first on-position, described the first transmission mechanism drives described the first baffle plate (112) mobile, so that described the first baffle plate (112) in block described second switch operating mechanism (250) operating space first block position, rotating described the first switch operation mechanism (150) makes described the first incoming line cabinet (100) when described the first open position, described the first transmission mechanism drives described the first baffle plate (112) mobile, so that described the first baffle plate (112) in dodge described second switch operating mechanism (250) operating space first dodge position.
2. ring main unit according to claim 1, is characterized in that,
Between described the first incoming line cabinet (100) and described the second incoming line cabinet (200), be provided with dividing plate, described dividing plate has the first installing hole;
Described the first transmission mechanism comprises: the first cam (111) and head rod (113), described the first cam (111) is arranged on described the first switch operation mechanism (150), described head rod (113) is located in described the first installing hole movably, the first end of described head rod (113) coordinates with described the first cam (111), and described the first baffle plate (112) is arranged on the second end of described head rod (113).
3. ring main unit according to claim 2, it is characterized in that, described head rod (113) comprises the first cross bar, the first montant and the second montant, described the first montant and described the second montant are separately positioned on the two ends of described the first cross bar, described the first montant forms the first end of described head rod (113), and described the second montant forms the second end of described head rod (113).
4. ring main unit according to claim 1, it is characterized in that, described the first switch operation mechanism (150) has the first handle hole, described second switch operating mechanism (250) has the second handle hole, on described the first baffle plate (112), have first and dodge hole (114), described the first baffle plate (112) is when described first blocks position, described first dodges hole (114) and described the second handle hole dislocation, described the first baffle plate (112) is when described first dodges position, and described first dodges hole (114) aims at described the second handle hole.
5. ring main unit according to claim 2, it is characterized in that, the first spring (115) is installed on described head rod (113), the first end of described the first spring (115) and described dividing plate butt, the second end of described the first spring (115) be fixed on described head rod (113).
6. according to the ring main unit described in any one in claim 1 to 5, it is characterized in that,
Described incoming line cabinet also comprises the second locking device, be arranged between described the first switch operation mechanism (150) and described second switch operating mechanism (250), described the second locking device comprises the second transmission mechanism and the second baffle (212) being connected with described the second transmission mechanism, described the second transmission mechanism coordinates with described second switch operating mechanism (250), and described second baffle (212) coordinates with described the first switch operation mechanism (150);
Rotating described second switch operating mechanism (250) makes described the second incoming line cabinet (200) when described the second on-position, described the second transmission mechanism drives described second baffle (212) mobile, so that described second baffle (212) in block described the first switch operation mechanism (150) operating space second block position, rotating described second switch operating mechanism (250) makes described the second incoming line cabinet (200) when described the second open position, described the second transmission mechanism drives described second baffle (212) mobile, so that described second baffle (212) in dodge described the first switch operation mechanism (150) operating space second dodge position.
7. ring main unit according to claim 6, is characterized in that, described dividing plate also has the second installing hole;
Described the second transmission mechanism comprises: the second cam (211) and the second connecting rod (213), described the second cam (211) is arranged on described second switch operating mechanism (250), described the second connecting rod (213) is located in described the second installing hole movably, the first end of described the second connecting rod (213) coordinates with described the second cam (211), and described second baffle (212) is arranged on the second end of described the second connecting rod (213).
8. ring main unit according to claim 7, it is characterized in that, described the second connecting rod (213) comprises the second cross bar, the 3rd montant and the 4th montant, described the 3rd montant and described the 4th montant are separately positioned on the two ends of described the second cross bar, described the 3rd montant forms the first end of described the second connecting rod (213), and described the 4th montant forms the second end of described the second connecting rod (213).
9. ring main unit according to claim 6, it is characterized in that, described second switch operating mechanism (250) has the second handle hole, described the first switch operation mechanism (150) has the first handle hole, on described second baffle (212), have second and dodge hole (214), described second baffle (212) is when described second blocks position, described second dodges hole (214) and described the first handle hole dislocation, described second baffle (212) is when described second dodges position, and described second dodges hole (214) aims at described the first handle hole.
10. ring main unit according to claim 7, it is characterized in that, the second spring (215) is installed on described the second connecting rod (213), the first end of described the second spring (215) and described dividing plate butt, the second end of described the second spring (215) be fixed on described the second connecting rod (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753067.8A CN103681034B (en) | 2013-12-31 | 2013-12-31 | Ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753067.8A CN103681034B (en) | 2013-12-31 | 2013-12-31 | Ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103681034A true CN103681034A (en) | 2014-03-26 |
| CN103681034B CN103681034B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310753067.8A Active CN103681034B (en) | 2013-12-31 | 2013-12-31 | Ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103681034B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505284A (en) * | 2014-12-10 | 2015-04-08 | 北京双杰电气股份有限公司 | Bidirectional load switching equipment |
| CN105513859A (en) * | 2016-01-21 | 2016-04-20 | 浙江临高电气实业有限公司 | Protective structure and switch cabinet with same |
| CN110957158A (en) * | 2019-11-29 | 2020-04-03 | 深圳供电局有限公司 | Mechanical interlocking mechanism of double-insulation cabinet |
| CN113708224A (en) * | 2021-10-28 | 2021-11-26 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
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| US5949641A (en) * | 1998-11-09 | 1999-09-07 | Eaton Corporation | Mounting arrangement for neutral bus in switchgear assembly |
| CN201629245U (en) * | 2010-01-29 | 2010-11-10 | 武汉西高电器有限公司 | Double-load switch interlocking device |
| CN202394748U (en) * | 2011-12-19 | 2012-08-22 | 山东泰山恒信开关集团有限公司 | Disconnecting switch fastener for switch cabinet |
| CN102856098A (en) * | 2012-06-29 | 2013-01-02 | 遵义长征电器防爆设备有限责任公司 | Mechanical interlocking device for medium voltage switchgear |
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2013
- 2013-12-31 CN CN201310753067.8A patent/CN103681034B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949641A (en) * | 1998-11-09 | 1999-09-07 | Eaton Corporation | Mounting arrangement for neutral bus in switchgear assembly |
| CN201629245U (en) * | 2010-01-29 | 2010-11-10 | 武汉西高电器有限公司 | Double-load switch interlocking device |
| CN202394748U (en) * | 2011-12-19 | 2012-08-22 | 山东泰山恒信开关集团有限公司 | Disconnecting switch fastener for switch cabinet |
| CN102856098A (en) * | 2012-06-29 | 2013-01-02 | 遵义长征电器防爆设备有限责任公司 | Mechanical interlocking device for medium voltage switchgear |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505284A (en) * | 2014-12-10 | 2015-04-08 | 北京双杰电气股份有限公司 | Bidirectional load switching equipment |
| CN105513859A (en) * | 2016-01-21 | 2016-04-20 | 浙江临高电气实业有限公司 | Protective structure and switch cabinet with same |
| CN105513859B (en) * | 2016-01-21 | 2018-06-15 | 浙江临高电气实业有限公司 | It is a kind of to protect structure and with its switchgear |
| CN110957158A (en) * | 2019-11-29 | 2020-04-03 | 深圳供电局有限公司 | Mechanical interlocking mechanism of double-insulation cabinet |
| CN113708224A (en) * | 2021-10-28 | 2021-11-26 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
| CN113708224B (en) * | 2021-10-28 | 2022-03-18 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103681034B (en) | 2016-08-17 |
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Effective date of registration: 20220421 Address after: 230000 east side of Fenglin Avenue, Xiatang Town, Changfeng County, Hefei City, Anhui Province Patentee after: Shuangjie Electric Hefei Co.,Ltd. Address before: 100085, room 1111, block D, No. 9, 3rd Street, Beijing, Haidian District Patentee before: BEIJING SOJO ELECTRIC Co.,Ltd. |
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Denomination of invention: Ring main unit Effective date of registration: 20231221 Granted publication date: 20160817 Pledgee: Shuangdun Branch of Anhui Changfeng Keyuan Village Bank Co.,Ltd. Pledgor: Shuangjie Electric Hefei Co.,Ltd. Registration number: Y2023980073148 |