CN101393817A - Chamber type intelligent duplicate power supply converting switch - Google Patents
Chamber type intelligent duplicate power supply converting switch Download PDFInfo
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- CN101393817A CN101393817A CNA2008101274516A CN200810127451A CN101393817A CN 101393817 A CN101393817 A CN 101393817A CN A2008101274516 A CNA2008101274516 A CN A2008101274516A CN 200810127451 A CN200810127451 A CN 200810127451A CN 101393817 A CN101393817 A CN 101393817A
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Abstract
The invention discloses a box-type intelligent double-power transfer switch, which includes a box body, and main power supply soldering terminals, stand-by power supply soldering terminals, a loading soldering terminal, a power supply switching mechanism and a three-phase vacuum breaker device, which are arranged on the box body. The three-phase vacuum breaker device includes a vacuum arc extinguishing chamber, movable contacts, static contacts and corresponding actuating mechanisms. The power supply switching mechanism includes three switching contact knifes. Each movable contact and each static contact in the three-phase vacuum breaker device are electrically connected with a corresponding switching contact knife in the power supply switching mechanism. Each main power supply soldering terminal and each stand-by power supply soldering terminal are provided with switching knife rests. The switching knife rest of each main power supply soldering terminal, the switching knife rest of each stand-by power supply soldering terminal, and each switching contact knife is arranged in the box body. The invention has the advantages of avoiding potential safety hazard caused by the easy oxidation of the power supply mechanism and the switching knife rests which are exposed in the air.
Description
Technical field
The invention belongs to high-voltage electrical apparatus switching technique field, be specifically related to a kind of chamber type intelligent duplicate power supply converting switch.
Background technology
At present, in order to improve the reliability of power supply, a large amount of dual power supply circuits (two supply line generally is a circuit on power system, and from reserve line) that adopt in the electric power system are when a line power breaks down, by another line powering.Need by control device, indoor will the employing is no less than two high-tension switch cabinets for this reason, and the open air is no less than high-voltage switch gear on two important actors, could realize selecting the requirement of supply line.This control mode has not only increased user's equipment and operating cost, but also the accident of power supply hidden danger that lies dormant.High-voltage switch gear on two and the above high-tension switch cabinet/post is difficult to realize the mechanical chain between the high-voltage switch gear on high-tension switch cabinet/post.It is generally acknowledged that the electrical interlocks that control device is only arranged is insecure,, will lead to major accident in case duplicate supply feed simultaneously all might appear in control device fault or operations staff's misoperation.
Chinese patent application 200610154471.3 discloses a kind of outdoor high voltage double power source vacuum breaker, this kind vacuum circuit-breaker installs the high-voltage dual power conversion equipment that a chain double-throw disconnecting switch is formed additional on vacuum circuit-breaker, though this kind mode has realized high-voltage dual power and has had electrical interlocks and mechanical chain when automaticallying switch, reduced the two-way high pressure possibility of feed simultaneously, it is present more satisfactory high-voltage dual power switching device shifter, but also there is drawback, the isolating switch of its double-throw is directly exposed in the external environment, along with number of times that uses and the increase of time, the continuous oxidation of contact surface meeting, cause contact resistance to increase conductive capability and reduce, contact heating easily such as burns out at shortcoming.
Summary of the invention
Thereby the purpose of this invention is to provide a kind of easy to be oxidized chamber type intelligent duplicate power supply converting switch that brings potential safety hazard of avoiding the power supply switching mechanism to be exposed to and effectively to eliminate in the air because of power supply switching mechanism and switching tool rest.
The technical scheme that realizes the object of the invention is: a kind of chamber type intelligent duplicate power supply converting switch, comprise casing, be arranged on three main power source binding posts on the casing, three stand-by power supply binding posts, three load wiring posts, power supply switching mechanism and a three-phase vacuum breaker device; Described three-phase vacuum breaker device comprises three vacuum interrupters, three moving contacts, three fixed contacts and corresponding actuating mechanisms; Described power supply switching mechanism comprises three switching contact knifes; Each moving contact/fixed contact in the described three-phase vacuum breaker device is electrically connected with a corresponding switching contact knife in the power supply switching mechanism; Described each main power source binding post is provided with the switching tool rest, and described each stand-by power supply binding post also is provided with the switching tool rest; The switching tool rest of described each main power source binding post, the switching tool rest of each stand-by power supply binding post and each switching contact knife all are arranged in the casing.
In the technique scheme, be filled with inert gas in the described casing.
In the technique scheme, described operating mechanism is included as the driving main shaft and the drive link that is used to be connected driving main shaft and moving contact that moving contact provides power.
In the technique scheme, described power supply switching mechanism comprises a switching main shaft and is used to drive the driving mechanism that switches the main shaft rotation; Described three switching contact knifes are provided with switching main shaft relative fixed.
In the technique scheme, described each switching contact knife is towards switching the yi word pattern contact knife that main shaft one side is stretched out.
In the technique scheme, described each switching contact knife is V-type contact knife or the yi word pattern contact knife that stretches out towards the both sides of switching main shaft.
In the technique scheme, the switching tool rest of described each main power source binding post, the switching tool rest of each stand-by power supply binding post are the special-shaped switching tool rests of V-arrangement, L shaped or camber line.
In the technique scheme, described driving mechanism comprises the manual lever that is arranged on outside the casing, and the remaining part of described driving mechanism except that manual lever all is arranged in the casing.
In the technique scheme, described each main power source binding post is arranged on the left-hand end of casing, and described each stand-by power supply binding post is arranged on the top of casing, and described three-phase vacuum breaker device is arranged on the right-hand end of casing; Described power supply switching mechanism is arranged on the middle and upper part, left side of casing or is arranged on the middle part of casing.
In the technique scheme, the operating mechanism of described three-phase vacuum breaker device is arranged in the casing.
The present invention has positive effect:
(1) among the present invention, the switching tool rest of described each main power source binding post, the switching tool rest of each stand-by power supply binding post and each switching contact knife all are arranged in the casing, each switching tool rest and power supply switching mechanism no longer are exposed in the air, no longer be subjected to boisterous influence, thereby avoid the power supply switching mechanism to be exposed to easy the to be oxidized potential safety hazard of effectively eliminating in the air because of power supply switching mechanism and switching tool rest of bringing.
(2) among the present invention, can be filled with indifferent gas in the described casing, sulfur hexafluoride gas for example, being used to increases whole insulation property and arc extinction performance, further switching mechanism and switching tool rest is protected, to prolong its useful life as much as possible.
(3) among the present invention, described each main power source binding post is arranged on the left-hand end of casing, and described each stand-by power supply binding post is arranged on the top of casing, and described three-phase vacuum breaker device is arranged on the right-hand end of casing; Described power supply switching mechanism is arranged on the middle and upper part, left side of casing; This structure have compact conformation, rational in infrastructure, less advantage takes up room.
(4) among the present invention, the switching tool rest of described each main power source binding post, the switching tool rest of each stand-by power supply binding post are the special-shaped switching tool rests that protrudes towards near the direction of switching main shaft, and this tool rest can reduce and switch the angle that main shaft rotates.
(5) among the present invention, described driving mechanism comprises the manual lever that is arranged on outside the casing, and the remaining part of described driving mechanism except that manual lever all is arranged in the casing; In addition, also can also be arranged in the casing operating mechanism of described three-phase vacuum breaker device bag; This structure can better protect be arranged on each interior parts of casing, prolongs its electric life and useful life as far as possible.
Description of drawings
Fig. 1 is the structural representation of first kind of structure of the present invention;
Fig. 2 is that the A of chamber type intelligent duplicate power supply converting switch shown in Figure 1 is to view;
Fig. 3 is the structural representation of second kind of structure of the present invention;
Fig. 4 is the structural representation of the third structure of the present invention;
Fig. 5 is the structural representation of the 4th kind of structure of the present invention.
Reference numeral is: casing 1, main power source binding post 2, switching tool rest 21, stand-by power supply binding post 3, switching tool rest 31, power supply switching mechanism 4, switching contact knife 411, switch main shaft 42, driving mechanism 43, manual lever 431, load wiring post 5, three-phase vacuum breaker device 6, vacuum interrupter 61, moving contact 62, operating mechanism 64, driving main shaft 641, drive link 642, voltage transformer 7 is flexible coupling 8.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown first kind of embodiment of the present invention, and wherein Fig. 1 is the structural representation of first kind of structure of the present invention, and Fig. 2 is that the A of chamber type intelligent duplicate power supply converting switch shown in Figure 1 is to view.
Present embodiment is a kind of chamber type intelligent duplicate power supply converting switch, see Fig. 1 and Fig. 2, a kind of chamber type intelligent duplicate power supply converting switch, comprise casing 1, be arranged on three main power source binding posts 2 on the casing 1, three stand-by power supply binding posts 3, three load wiring posts 5, power supply switching mechanism 4 and a three-phase vacuum breaker device 6; Described three-phase vacuum breaker device 6 comprises three vacuum interrupters 61, three moving contacts 62, three fixed contacts, voltage transformer 7 and corresponding actuating mechanisms 64; Described power supply switching mechanism 4 comprises three switching contact knifes 41; Corresponding switching contact knife 41 in each moving contact 62/ fixed contact in the described three-phase vacuum breaker device 6 and the power supply switching mechanism 4 adopts to be flexible coupling and 8 is electrically connected; Described each main power source binding post 2 is provided with switching tool rest 21, and described each stand-by power supply binding post 3 also is provided with switching tool rest 31; The switching tool rest 21 of described each main power source binding post 2, the switching tool rest 31 of each stand-by power supply binding post 3 and each switching contact knife 41 all are arranged in the casing 1.
Described each main power source binding post 2 is arranged on the left-hand end of casing 1, and described each stand-by power supply binding post 3 is arranged on the top of casing 1, and described three-phase vacuum breaker device 6 is arranged on the right-hand end of casing 1; Described power supply switching mechanism 4 is arranged on the middle and upper part, left side of casing 1.
Described operating mechanism 64 is included as the driving main shaft 641 and the drive link 642 that is used to be connected driving main shaft 641 and moving contact 62 that moving contact 62 provides power.The operating mechanism 64 of described three-phase vacuum breaker device 6 is arranged in the casing.
Described power supply switching mechanism 4 comprises a switching main shaft 42 and is used to drive the driving mechanism 43 that switches the main shaft rotation; Described three switching contact knifes 41 and the 42 relative fixed settings of switching main shaft.
Described each switching contact knife 41 is towards switching the yi word pattern contact knife that main shaft 42 1 sides are stretched out.
Described driving mechanism 43 comprises the manual lever 431 that is arranged on outside the casing 1, and the remaining part of described driving mechanism 43 except that manual lever 431 all is arranged in the casing 1.
Present embodiment has the following advantages:
(1) in the present embodiment, the switching tool rest 21 of described each main power source binding post 2, the switching tool rest 31 of each stand-by power supply binding post 3 and each switching contact knife 41 all are arranged in the casing 1, each switching tool rest and power supply switching mechanism no longer are exposed in the air, no longer be subjected to boisterous influence, thereby avoid the power supply switching mechanism to be exposed to easy the to be oxidized potential safety hazard of effectively eliminating in the air because of power supply switching mechanism and switching tool rest of bringing.
(2) in the present embodiment, described each main power source binding post 2 is arranged on the left-hand end of casing 1, and described each stand-by power supply binding post 3 is arranged on the top of casing 1, and described three-phase vacuum breaker device 6 is arranged on the right-hand end of casing 1; Described power supply switching mechanism 4 is arranged on the middle and upper part, left side of casing 1; This structure have compact conformation, rational in infrastructure, less advantage takes up room.
(3) in the present embodiment, described driving mechanism 43 comprises the manual lever 431 that is arranged on outside the casing 1, and the remaining part of described driving mechanism 43 except that manual lever 431 all is arranged in the casing 1; In addition, also can also be arranged in the casing operating mechanism 64 of described three-phase vacuum breaker device 6 bags; This structure can better protect be arranged on each interior parts of casing, prolongs its electric life and useful life as far as possible.
(embodiment 2)
Fig. 3 is the structural representation of second kind of structure of the present invention, has shown second kind of embodiment of the present invention.
Present embodiment is substantially the same manner as Example 1, and difference is: the switching tool rest 21 of described each main power source binding post 2, the switching tool rest 31 of each stand-by power supply binding post 3 are special-shaped switching tool rests of V-arrangement.Be filled with the sulphur hexafluoride indifferent gas in the described casing.
Present embodiment has the following advantages:
(1) in the present embodiment, can be filled with indifferent gas in the described casing, sulfur hexafluoride gas for example, being used to increases whole insulation property and arc extinction performance, further switching mechanism and switching tool rest is protected, to prolong its useful life as much as possible.
(2) in the present embodiment, the switching tool rest 21 of described each main power source binding post 2, the switching tool rest 31 of each stand-by power supply binding post 3 are the special-shaped switching tool rests that protrude towards near the direction of switching main shaft 42, and this tool rest can reduce and switch the angle that main shaft rotates.
(embodiment 3)
Fig. 4 is the structural representation of the third structure of the present invention, has shown the third embodiment of the present invention.
Present embodiment is substantially the same manner as Example 1, and difference is: described each switching contact knife 41 is the V-type contact knifes that stretch out towards the both sides of switching main shaft 42.
(embodiment 4)
Fig. 5 is the structural representation of the 4th kind of structure of the present invention, has shown the 4th kind of embodiment of the present invention.
Present embodiment is substantially the same manner as Example 1, and difference is: described power supply switching mechanism 4 is arranged on the middle part of casing 1; Described each switching contact knife 41 is the yi word pattern contact knifes that stretch out towards the both sides of switching main shaft 42.The switching tool rest 21 of described each main power source binding post 2 is special-shaped switching tool rests of V-arrangement, and the switching tool rest 31 of each stand-by power supply binding post 3 is L shaped special-shaped switching tool rests.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (10)
1, a kind of chamber type intelligent duplicate power supply converting switch, comprise casing (1), be arranged on three main power source binding posts (2), three stand-by power supply binding posts (3), three load wiring posts (5) on the casing (1), a power supply switching mechanism (4) and a three-phase vacuum breaker device (6); Described three-phase vacuum breaker device (6) comprises three vacuum interrupters (61), three moving contacts (62), three fixed contacts and corresponding actuating mechanisms (64); Described power supply switching mechanism (4) comprises three switching contact knifes (41); Each moving contact (62)/fixed contact in the described three-phase vacuum breaker device (6) is electrically connected with a corresponding switching contact knife (41) in the power supply switching mechanism (4); Described each main power source binding post (2) is provided with switching tool rest (21), and described each stand-by power supply binding post (3) also is provided with switching tool rest (31); It is characterized in that: the switching tool rest (21) of described each main power source binding post (2), the switching tool rest (31) of each stand-by power supply binding post (3) and each switching contact knife (41) all are arranged in the casing (1).
2, chamber type intelligent duplicate power supply converting switch according to claim 1 is characterized in that: described casing is filled with inert gas in (1).
3, according to the described chamber type intelligent duplicate power supply converting switch of claim 1, it is characterized in that: described operating mechanism (64) is included as the driving main shaft (641) and the drive link (642) that is used to be connected driving main shaft (641) and moving contact (62) that moving contact (62) provides power.
4, according to the described chamber type intelligent duplicate power supply converting switch of claim 1, it is characterized in that: described power supply switching mechanism (4) comprises a switching main shaft (42) and is used to drive the driving mechanism (43) that switches the main shaft rotation; Described three switching contact knifes (41) and the relative fixed setting of switching main shaft (42).
5, chamber type intelligent duplicate power supply converting switch according to claim 4 is characterized in that: described each switching contact knife (41) is towards switching the yi word pattern contact knife that main shaft (42) one sides are stretched out.
6, chamber type intelligent duplicate power supply converting switch according to claim 4 is characterized in that: described each switching contact knife (41) is V-type contact knife or the yi word pattern contact knife that stretches out towards the both sides of switching main shaft (42).
7, chamber type intelligent duplicate power supply converting switch according to claim 4 is characterized in that: the switching tool rest (21) of described each main power source binding post (2), the switching tool rest (31) of each stand-by power supply binding post (3) are the special-shaped switching tool rests of V-arrangement, L shaped or camber line.
8, chamber type intelligent duplicate power supply converting switch according to claim 4, it is characterized in that: described driving mechanism (43) comprises the manual lever (431) that is arranged on outside the casing (1), and the remaining part of described driving mechanism (43) except that manual lever (431) all is arranged in the casing (1).
9, chamber type intelligent duplicate power supply converting switch according to claim 1, it is characterized in that: described each main power source binding post (2) is arranged on the left-hand end of casing (1), described each stand-by power supply binding post (3) is arranged on the top of casing (1), and described three-phase vacuum breaker device (6) is arranged on the right-hand end of casing (1); Described power supply switching mechanism (4) is arranged on the middle and upper part, left side of casing (1) or the middle part that (4) are arranged on casing (1).
10, chamber type intelligent duplicate power supply converting switch according to claim 1 is characterized in that: the operating mechanism (64) of described three-phase vacuum breaker device (6) is arranged in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101274516A CN101393817B (en) | 2008-06-26 | 2008-06-26 | Chamber type intelligent duplicate power supply converting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101274516A CN101393817B (en) | 2008-06-26 | 2008-06-26 | Chamber type intelligent duplicate power supply converting switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101393817A true CN101393817A (en) | 2009-03-25 |
| CN101393817B CN101393817B (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101274516A Expired - Fee Related CN101393817B (en) | 2008-06-26 | 2008-06-26 | Chamber type intelligent duplicate power supply converting switch |
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| Country | Link |
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| CN (1) | CN101393817B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789923A (en) * | 2011-05-20 | 2012-11-21 | 湖南丰日电源电气股份有限公司 | Vacuum circuit breaker on outdoor intelligent dual-loop column |
| CN103563194A (en) * | 2011-06-02 | 2014-02-05 | 三菱电机株式会社 | Tank-type vacuum interrupter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776853A (en) * | 2005-12-04 | 2006-05-24 | 宝光集团有限公司 | High-voltage Ac. three-phase double power-supply load swith |
| CN201038046Y (en) * | 2007-03-11 | 2008-03-19 | 郑文秀 | Highly intelligent duplicate power supply automatic switching device |
| CN201289810Y (en) * | 2008-06-26 | 2009-08-12 | 黄勤飞 | Box type intelligent double power transfer switch |
-
2008
- 2008-06-26 CN CN2008101274516A patent/CN101393817B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789923A (en) * | 2011-05-20 | 2012-11-21 | 湖南丰日电源电气股份有限公司 | Vacuum circuit breaker on outdoor intelligent dual-loop column |
| CN103563194A (en) * | 2011-06-02 | 2014-02-05 | 三菱电机株式会社 | Tank-type vacuum interrupter |
| CN103563194B (en) * | 2011-06-02 | 2016-06-15 | 三菱电机株式会社 | Box vacuum interrupter |
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| Publication number | Publication date |
|---|---|
| CN101393817B (en) | 2012-08-01 |
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