CN102324783B - Intelligent switching device for power grid - Google Patents
Intelligent switching device for power grid Download PDFInfo
- Publication number
- CN102324783B CN102324783B CN 201110306254 CN201110306254A CN102324783B CN 102324783 B CN102324783 B CN 102324783B CN 201110306254 CN201110306254 CN 201110306254 CN 201110306254 A CN201110306254 A CN 201110306254A CN 102324783 B CN102324783 B CN 102324783B
- Authority
- CN
- China
- Prior art keywords
- contact
- circuit breaker
- standby
- inlet wire
- main
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an intelligent switching device for a power grid. The device comprises two vacuum circuit breakers, corresponding main and standby inlet posts and corresponding main and standby outlet posts. The vacuum circuit breakers are arranged abreast on a rail vehicle, and are driven to move by utilizing the movement of the rail vehicle, thereby realizing switching between two paths of power or loads. The device has a relatively simpler structure and relatively more stable and reliable working performance. Pressure springs are arranged on contact rings arranged at the tail ends of the main and standby inlet and outlet posts and increase contact pressure when the contact rings are in contact with each contact, a plurality of v-shaped contact grooves are formed on the inner ring surfaces of the contact rings, and the tail end of each contact is correspondingly provided with a contact cone, so contact surfaces are enlarged, and contact is wholly firm and reliable. A first auxiliary contact plate and a second auxiliary contact plate are connected in an extrusion way by an inverted 'U'-shaped fastening hood, so the contact surfaces are enlarged, and the contact is firm and reliable.
Description
Technical field
The invention belongs to used for intelligent electric network automation controller switching equipment technical field, be specifically related to a kind of network load device for intelligently switching.
Background technology
In electric power networks; there are many users to require very high to power supply reliability; colliery etc. for example; in a single day the unusual or power failure fault of network load takes place in these units; will bring great economic loss even cause casualties to unit; so in the electric power system of these units; all need to have main power source and stand-by power supply; when the unusual or main power source of network load occurring and break down; stand-by power supply must drop into immediately and restore electricity; in order to achieve this end, need between main power source and stand-by power supply, carry out manual switchover or automatic switchover by the network load switching mechanism.Isolating switch is the break-make that realizes circuit by the contact of contact, so the isolating switch application scenario requires very high to the contact contact reliability, for this reason, contact should contact well as far as possible, contact-making surface is big as far as possible, the contact of high voltage isolator has various ways at present, general all is the pressure that keeps moving contact and decide to contact between the contact by spring leaf, its operation principle and ordinary appliances plug are similar, contact area is little owing to existing for these contacts, contact is exposed to shortcomings such as outer, the failure rate height can't satisfy client's needs.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of contact contact area big, good and firm, the reliable network load device for intelligently switching of contact.
For solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of high-voltage fence device for intelligently switching, comprise housing, first circuit breaker, second circuit breaker, railcar, described first circuit breaker, second circuit breaker is arranged on the railcar, described railcar is arranged in the housing, described first circuit breaker comprises three main inlet wire posts, three main outlet column and three vacuum interruption mechanisms that are used for circuit between break-make master inlet wire post and the main outlet column, described second circuit breaker also comprises three standby inlet wire posts, three standby outlet column and three vacuum interruption mechanisms that are used for circuit between the standby inlet wire post of break-make and the standby outlet column, the main inlet wire post of described first circuit breaker and main outlet column all are arranged on it away from a side of described second circuit breaker; The standby inlet wire post of described second circuit breaker and standby outlet column all are arranged on it away from a side of described first circuit breaker, also be provided with three main power source wiring contacts and three main power source outlet contacts of being electrically connected for main inlet wire post and the main outlet column of first circuit breaker in the housing, described main power source wiring contact advances the post line with the corresponding master of first circuit breaker and cooperates, described main power source outlet contact cooperates with the corresponding main outlet column of first circuit breaker, also be provided with in the housing for the standby inlet wire post of second circuit breaker and three stand-by power supply wiring contacts and three stand-by power supply outlet contacts of standby outlet column electrical connection, described stand-by power supply wiring contact cooperates with the standby inlet wire post of second circuit breaker, and described stand-by power supply outlet contact cooperates with the standby outlet column of second circuit breaker; Described main inlet wire post end, main outlet column end, standby inlet wire post end, standby outlet column end all is provided with contact ring, described contact ring comprises indent, stage clip, the multi-disc steel disc, described multi-disc steel disc one end fixes and compactness connects into ring-type side by side, described indent is arranged on the contact ring outer ring surface and away from the steel disc stiff end, described stage clip is arranged in the described indent, described contact ring is formed by the stage clip crimping by the multi-disc steel disc, the contact ring inner ring surface is provided with a plurality of V-type contact grooves, the outer ring surface of described each contactor end is provided with the contact centrum with the corresponding setting of V-type contact groove, and the extruding force that is produced by stage clip when described V-type contacts groove and contacts the centrum contact is greater than 0.5Mpa; Described contact ring root is provided with the first auxiliary contact plate, described each contact is provided with the second auxiliary contact plate, be connected with " ∩ " type card cover on the described second auxiliary contact plate, described " ∩ " type card cover movable end is provided with hook, when described contact ring contacted with each contactor end, the extruding of described " ∩ " type card cover connected the first auxiliary contact plate and the second auxiliary contact plate and pressure at right angle greater than 0.8Mpa.
As a kind of improvement, described contact ring outer ring surface is symmetrically arranged with first and presses shell fragment, second presses shell fragment, described first presses shell fragment, bobbin is slightly outward-dipping in the relative contact ring of the second pressure shell fragment, described contact is provided with by the electromagnet of the current drives of contact and presses the shell fragment contact-making surface, the attraction of described electromagnet be directly proportional by the contact size of current, be connected in series with in the current drives loop and switch normally closed node, described first pressed shell fragment when described contact ring contacted with each contactor end, second press shell fragment with press play that contact-making surface contacts and by the vertical attraction of electromagnet generation greater than 0.5Mpa.
As a kind of improvement, it is characterized in that described railcar comprises horizontal ball wire bar pair, vertical ball wire bar pair, horizontal table top, vertical table top, vertical handle, driving motor, described horizontal ball wire bar pair is arranged in the cabinet, laterally table top is arranged on the horizontal ball wire bar pair, described vertical ball wire bar pair is arranged on the horizontal table top, described vertical table top is arranged on vertical ball wire bar pair, described vertical handle is with vertical ball wire bar pair interlock and be arranged on the rear cabinet door outside, described driving motor and laterally ball wire bar pair interlock, described first circuit breaker, second circuit breaker is arranged on vertical table top, described rear cabinet door inboard is provided with the position baffle plate, described position baffle plate is provided with the ground slot corresponding with the first auxiliary contact plate, described vertical ball screw adjutant first circuit breaker, when second circuit breaker was delivered to the rear cabinet door side, the described first auxiliary contact plate was inserted on the ground slot.
As a kind of improvement, the left and right sides corresponding with horizontal table top on the described housing is respectively arranged with left limit switch, right limit switch, and position corresponding with vertical table top on the described housing is provided with the maintenance limit switch.
As a kind of improvement, main inlet wire post and the main outlet column of described first circuit breaker are that two rows shift to install, described main inlet wire post is arranged on top and close housing, described main outlet column is arranged on below and close housing central authorities, the standby inlet wire post of described second circuit breaker and standby outlet column also are that two rows shift to install, described standby inlet wire post is arranged on the top and near housing, described standby outlet column is arranged on below and close housing central authorities; Also include first transformer and second transformer that are arranged in the housing, described first transformer is arranged between main outlet column and the housing, and the outlet of described three main power source outlet contacts is electrically connected with first transformer; Second transformer is arranged between stand-by power supply outlet contact and the housing, and the outlet of described three stand-by power supply outlet contacts is electrically connected with second transformer, described first transformer and employing YN different with second transformer voltage ratio, yn0, the d11 mode of connection.
As a kind of improvement, also be provided with first voltage transformer, second voltage transformer in the described housing, described first voltage transformer is arranged on first transformer top, and described second voltage transformer is arranged on second transformer top.
As a kind of improvement, described housing is provided with watch window, magnifying glass, the illumination shot-light, the window's position switching device shifter, the window's position micromatic setting, described the window's position switching device shifter is provided with master site and spare space, and be implemented in switching between master site and the spare space, the described status of a sovereign is set to the contact portion that watch window is aimed at main inlet wire post and main power source wiring contact, described spare space is the contact portion that watch window is aimed at standby inlet wire post and stand-by power supply wiring contact, described contact portion is provided with the temperature indicating piece, described the window's position micromatic setting realizes that the watch window center is from the A phase, B reaches mutually between the C phase and switches, described magnifying glass is arranged on the watch window, described illumination shot-light be arranged on magnifying glass one side and with magnifying glass in bobbin arrange in the same way.
High-voltage fence device for intelligently switching of the present invention is owing to adopted two vacuum circuit-breakers to be arranged side by side on railcar, utilizing the movement of railcar to drive two vacuum circuit-breakers moves, switch thereby be implemented between two-way power supply or the load, structure is comparatively simple, two vacuum circuit-breakers are respectively independent disconnection and closure separately, and are also comparatively stable, reliable on the service behaviour; Contact ring is provided with stage clip, when contact ring contacts with contact, the extruding force that stage clip produces is greater than 0.5Mpa, increase contact pressure, the contact ring inner ring surface is provided with a plurality of V-type contact grooves, each contactor end correspondence is provided with the contact centrum, has increased contact-making surface, and contact firmly on the whole, contact area is big, reliability requirement is high; The contact ring root is provided with the first auxiliary contact plate, and each contact is provided with second and assists contact plate, is connected with " ∩ " type card cover on the second auxiliary contact plate, and connecting by the extruding of " ∩ " type card cover has increased contact-making surface, and contact is firm, reliability requirement is high.
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a kind of example structure schematic diagram of high-voltage fence device for intelligently switching of the present invention.
Fig. 2 is the structural representation of high-voltage fence device for intelligently switching parts of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of embodiment of high-voltage fence device for intelligently switching, comprise housing 1, first circuit breaker 2, second circuit breaker 3, railcar 5, first circuit breaker 2, second circuit breaker 3 are arranged on the railcar 5, railcar 5 is arranged in the housing 1, and first circuit breaker 2 comprises three main inlet wire posts 21, three main outlet column 22 and three vacuum interruption mechanisms that are used for circuit between break-make master inlet wire post 21 and its corresponding main outlet column 22; Second circuit breaker 3 also comprises three standby inlet wire posts 31, three standby outlet column 32 and three vacuum interruption mechanisms that are used for circuit between described each the standby inlet wire post 31 of break-make and its corresponding standby outlet column 32; The main inlet wire post 21 of first circuit breaker 2 and main outlet column 22 all are arranged on it away from a side of described second circuit breaker 3; The standby inlet wire post 31 of described second circuit breaker 3 and standby outlet column 32 all are arranged on it away from a side of described first circuit breaker 2; Also be provided with three main power source wiring contacts 23 and three main power source outlet contacts 24 of being electrically connected for main inlet wire post 21 and the main outlet column 22 of first circuit breaker 2 in the housing 1, described each main power source head wiring contact 23 advances post line 21 with the corresponding master of first circuit breaker 2 and cooperates, and described each main power source outlet contact 24 cooperates with the corresponding main outlet column 22 of first circuit breaker 2; Also be provided with in the housing 1 for the standby inlet wire post 31 of second circuit breaker 3 and three stand-by power supply wiring contacts 33 and three stand-by power supply outlet contacts 34 of standby outlet column 32 electrical connections, described each stand-by power supply wiring contact 33 cooperates with the standby inlet wire post 31 of second circuit breaker 3, and each stand-by power supply outlet contact 34 cooperates with the standby outlet column 32 of second circuit breaker 3.Switch thereby utilize two vacuum circuit-breakers to move to be implemented between two-way power supply or the load, simple in structure, reliability is high.Main inlet wire post 21 ends, main outlet column 22 ends, standby inlet wire post 31 ends, standby outlet column 32 ends all are provided with contact ring 31a, described contact ring 31a comprises indent, stage clip, the multi-disc steel disc, described multi-disc steel disc one end fixes and compactness connects into ring-type side by side, described indent is arranged on contact ring 31a outer ring surface and away from the steel disc stiff end, described stage clip is arranged in the described indent, described contact ring 31a is formed by the stage clip crimping by the multi-disc steel disc, contact ring 31a inner ring surface is provided with a plurality of V-type contact grooves, the outer ring surface of described each contactor end is provided with the contact centrum with the corresponding setting of V-type contact groove, and the extruding force that is produced by stage clip when described V-type contacts groove and contacts the centrum contact is greater than 0.5Mpa; Described contact ring 31a root is provided with the first auxiliary contact plate, described each contact is provided with the second auxiliary contact plate, be connected with " ∩ " type card cover on the described second auxiliary contact plate, described " ∩ " type card cover movable end is provided with hook, when described contact ring 31a contacted with each contactor end, the extruding of described " ∩ " type card cover connected the first auxiliary contact plate and the second auxiliary contact plate and pressure at right angle greater than 0.8Mpa.When emergency such as heating taking place again can not interruption maintenance the time, need the first auxiliary contact plate to contact fully with the second auxiliary contact plate, pull hook with insulating rod, make the extruding of " ∩ " type card cover connect the first auxiliary contact plate and the second auxiliary contact plate, increase contact area.The present invention is utilized the increase contact area of the multiple mode of said structure, impel contact good and firmly, reliable.
A kind of improved embodiment, described contact ring 31a outer ring surface is symmetrically arranged with first and presses shell fragment, second presses shell fragment, described first presses shell fragment, bobbin is slightly outward-dipping among the relative contact ring 31a of the second pressure shell fragment, described contact is provided with by the electromagnet of the current drives of contact and presses the shell fragment contact-making surface, the attraction of described electromagnet be directly proportional by the contact size of current, be connected in series with in the current drives loop and switch normally closed node, described first pressed shell fragment when described contact ring 31a contacted with each contactor end, second press shell fragment with press play that contact-making surface contacts and by the vertical attraction of electromagnet generation greater than 0.5Mpa.When contact ring 31a contacts with each contact, press shell fragment, second to press shell fragment by the current drives electromagnet attraction first of each contact, produce bigger contact area, be connected firmly, contact is reliable; Simultaneously the attraction of electromagnet is directly proportional with size of current, has overcome the present load technical barrier that each contact generates heat easily when heavy, and the normally closed node of the switching that is connected in series in the current drives loop during switching is opened, and the electromagnet loss of excitation does not influence handoff procedure.
A kind of improved embodiment, described railcar 5 comprises horizontal ball wire bar pair, vertical ball wire bar pair, horizontal table top, vertical table top, vertical handle, driving motor, described horizontal ball wire bar pair is arranged in the cabinet, laterally table top is arranged on the horizontal ball wire bar pair, described vertical ball wire bar pair is arranged on the horizontal table top, described vertical table top is arranged on vertical ball wire bar pair, described vertical handle is with vertical ball wire bar pair interlock and be arranged on the rear cabinet door side, described driving motor and laterally ball wire bar pair interlock, described first circuit breaker 2, second circuit breaker 3 is arranged on vertical table top, described rear cabinet door inboard is provided with the position baffle plate, described position baffle plate is provided with the ground slot corresponding with the first auxiliary contact plate, described vertical ball screw adjutant first circuit breaker 2, when second circuit breaker 3 was delivered to the most close rear cabinet door side, the described first auxiliary contact plate was inserted on the described ground slot.Horizontal ball wire bar pair and vertical ball wire bar pair are set realize the horizontal and vertical movement of first circuit breaker 2 and second circuit breaker 3, the position baffle plate prevents railcar 5 collision rear cabinet doors, play positioning action, be provided with the ground slot of the first auxiliary contact plate correspondence simultaneously, guarantee first circuit breaker 2, second circuit breaker, 3 reliable grounds, the security performance height, need not during maintenance increases earth connection again, simple and practical.
A kind of improved embodiment, main inlet wire post 21 and the main outlet column 22 of first circuit breaker 2 are that two rows shift to install, described main inlet wire post 21 is arranged on top and close housing 1, described main outlet column 22 is arranged on below and close housing 1 central authorities, the standby inlet wire post 31 of described second circuit breaker 3 and standby outlet column 32 also are that two rows shift to install, described standby inlet wire post 31 is arranged on the top and near housing 1, described standby outlet column 32 is arranged on below and close housing 1 central authorities; Also include first transformer 91 and second transformer 92 that are arranged in the housing 1, described first transformer 91 is arranged between main outlet column 22 and the housing 1, and the outlet of described three main power source outlet contacts 24 is electrically connected with first transformer 91; Second transformer 92 is arranged between stand-by power supply outlet contact 34 and the housing 1, the outlet of described three stand-by power supply outlet contacts 34 is electrically connected with second transformer 92, first transformer 91 and employing YN different with second transformer, 92 no-load voltage ratios, yn0, the d11 mode of connection.The preferential structure that adopts when inequality at main power voltage and backup power source voltage, utilize first transformer and second transformer that main power voltage and backup power source voltage are become the suitable voltage that direct powering load is used, effectively overcome and be difficult to the technical barrier that between the duplicate supply of different voltages, switches; Arrangement space is reasonable, satisfy safe distance under the designing requirement, effectively utilized the space.
A kind of improved embodiment also is provided with the first voltage transformer 8a, the second voltage transformer 8b in the housing 1, the described first voltage transformer 8a is arranged on first transformer, 91 tops, and the described second voltage transformer 8b is arranged on second transformer, 92 tops.Because the used instrument transformer volume of high-tension circuit is big, the present invention with its be arranged on transformer directly over, rationally utilize the space, make the present invention have and take up an area of less advantage.
A kind of improved embodiment, described housing 1 is provided with watch window, magnifying glass, the illumination shot-light, the window's position switching device shifter, the window's position micromatic setting, described the window's position switching device shifter is provided with master site and spare space, and the switching between realization master site and the spare space, the described status of a sovereign is set to the contact portion that watch window is aimed at main inlet wire post 21 and main power source wiring contact 23, described spare space is the contact portion that watch window is aimed at inlet wire post 31 and main power source wiring contact 33, described contact portion is provided with the temperature indicating piece, described the window's position micromatic setting realizes that the watch window center is from the A phase, B reaches mutually between the C phase and switches, and described magnifying glass is arranged on watch window, described illumination shot-light be arranged on magnifying glass one side and with magnifying glass in bobbin arrange in the same way.In the circuit breaker actual moving process, owing to be complete hermetically-sealed construction, each contact adstante febre can not be observed, accident such as blast easily.The present invention is provided with watch window, magnifying glass can amplify contact to be seen, be easy to observe, illumination shot-light follow-observation window illuminates position to be seen, and is reasonable in design, simultaneously, the window's position switching device shifter realizes that the switching, the window's position micromatic setting of active and standby position direction of observation realize reaching the switching of C between mutually mutually from A phase, B, can make point of observation accumulate in a certain position, and observing effect is good.
Claims (9)
1. electrical network device for intelligently switching, it is characterized in that comprising housing (1), first circuit breaker (2), second circuit breaker (3), railcar (5), described first circuit breaker (2), second circuit breaker (3) is arranged on the railcar (5), described railcar (5) is arranged in the housing (1), described first circuit breaker (2) comprises three main inlet wire posts (21), three main outlet column (22) and three vacuum interruption mechanisms that are used for circuit between break-make master inlet wire post (21) and the main outlet column (22), described second circuit breaker (3) also comprises three standby inlet wire posts (31), three standby outlet column (32) and three vacuum interruption mechanisms that are used for circuit between the standby inlet wire post of break-make (31) and the standby outlet column (32), the main inlet wire post (21) of described first circuit breaker (2) and main outlet column (22) all are arranged on it away from a side of described second circuit breaker (3); The standby inlet wire post (31) of described second circuit breaker (3) and standby outlet column (32) all are arranged on it away from a side of described first circuit breaker (2), also be provided with three the main power source wiring contacts (23) and three the main power source outlet contacts (24) that are electrically connected for main inlet wire post (21) and the main outlet column (22) of first circuit breaker (2) in the housing (1), described main power source wiring contact (23) advances post line (21) with the corresponding master of first circuit breaker (2) and cooperates, described main power source outlet contact (24) cooperates with the corresponding main outlet column (22) of first circuit breaker (2), also be provided with in the housing (1) for the standby inlet wire post (31) of second circuit breaker (3) and three stand-by power supply wiring contacts (33) and three stand-by power supply outlet contacts (34) of standby outlet column (32) electrical connection, described stand-by power supply wiring contact (33) cooperates with the standby inlet wire post (31) of second circuit breaker (3), and described stand-by power supply outlet contact (34) cooperates with the standby outlet column (32) of second circuit breaker (3); Described main inlet wire post (21) end, main outlet column (22) end, standby inlet wire post (31) end, standby outlet column (32) end all is provided with contact ring (31a), described contact ring (31a) comprises indent, stage clip, the multi-disc steel disc, described multi-disc steel disc one end fixes and compactness connects into ring-type side by side, described indent is arranged on contact ring (31a) outer ring surface and away from the steel disc stiff end, described stage clip is arranged in the described indent, described contact ring (31a) is formed by the stage clip crimping by the multi-disc steel disc, contact ring (31a) inner ring surface is provided with a plurality of V-type contact grooves, the outer ring surface of described each contactor end is provided with the contact centrum with the corresponding setting of V-type contact groove, and the extruding force that is produced by stage clip when described V-type contacts groove and contacts the centrum contact is greater than 0.5Mpa; Described contact ring (31a) root is provided with the first auxiliary contact plate, described each contact is provided with the second auxiliary contact plate, be connected with " ∩ " type card cover on the described second auxiliary contact plate, described " ∩ " type card cover movable end is provided with hook, when described contact ring (31a) contacted with each contactor end, the extruding of described " ∩ " type card cover connected the first auxiliary contact plate and the second auxiliary contact plate and pressure at right angle greater than 0.8Mpa.
2. electrical network device for intelligently switching according to claim 1, it is characterized in that described contact ring (31a) outer ring surface is symmetrically arranged with first and presses shell fragment, second presses shell fragment, described first presses shell fragment, second presses the middle bobbin of the relative contact ring of shell fragment (31a) slightly outward-dipping, described contact is provided with by the electromagnet of the current drives of contact and presses the shell fragment contact-making surface, the attraction of described electromagnet be directly proportional by the contact size of current, be connected in series with in the current drives loop and switch normally closed node, described first pressed shell fragment when described contact ring (31a) contacted with each contactor end, second press shell fragment with press play that contact-making surface contacts and by the vertical attraction of electromagnet generation greater than 0.5Mpa.
3. electrical network device for intelligently switching according to claim 2, it is characterized in that described railcar (5) comprises horizontal ball wire bar pair, vertical ball wire bar pair, horizontal table top, vertical table top, vertical handle, driving motor, described horizontal ball wire bar pair is arranged in the cabinet, laterally table top is arranged on the horizontal ball wire bar pair, described vertical ball wire bar pair is arranged on the horizontal table top, described vertical table top is arranged on vertical ball wire bar pair, described vertical handle is with vertical ball wire bar pair interlock and be arranged on the rear cabinet door outside, described driving motor and laterally ball wire bar pair interlock, described first circuit breaker (2), second circuit breaker (3) is arranged on vertical table top, described rear cabinet door inboard is provided with the position baffle plate, described position baffle plate is provided with the ground slot corresponding with the first auxiliary contact plate, described vertical ball screw adjutant first circuit breaker (2), when second circuit breaker (3) was delivered to the rear cabinet door side, the described first auxiliary contact plate was inserted on the ground slot.
4. electrical network device for intelligently switching according to claim 3, it is characterized in that the corresponding left and right sides of the last and horizontal table top of described housing (1) is respectively arranged with left limit switch, right limit switch, the position that described housing (1) is gone up and vertical table top is corresponding is provided with the maintenance limit switch.
5. according to claim 1 or 2 or 3 or 4 described electrical network device for intelligently switching, the main inlet wire post (21) and the main outlet column (22) that it is characterized in that described first circuit breaker (2) are that two rows shift to install, described main inlet wire post (21) is arranged on top and close housing (1), described main outlet column (22) is arranged on below and close housing (1) central authorities, the standby inlet wire post (31) of described second circuit breaker (3) and standby outlet column (32) also are that two rows shift to install, described standby inlet wire post (31) is arranged on the top and near housing (1), described standby outlet column (32) is arranged on below and close housing (1) central authorities; Also include first transformer (91) and second transformer (92) that are arranged in the housing (1), described first transformer (91) is arranged between main outlet column (22) and the housing (1), and the outlet of described three main power source outlet contacts (24) is electrically connected with first transformer (91); Second transformer (92) is arranged between stand-by power supply outlet contact (34) and the housing (1), the outlet of described three stand-by power supply outlet contacts (34) is electrically connected with second transformer (92), described first transformer (91) and employing YN different with second transformer (92) no-load voltage ratio, yn0, the d11 mode of connection.
6. electrical network device for intelligently switching according to claim 5, it is characterized in that: also be provided with first voltage transformer (8a), second voltage transformer (8b) in the described housing (1), described first voltage transformer (8a) is arranged on first transformer (91) top, and described second voltage transformer (8b) is arranged on second transformer (92) top.
7. according to claim 1 or 2 or 3 or 4 described electrical network device for intelligently switching, it is characterized in that: described housing (1) is provided with watch window, magnifying glass, the illumination shot-light, the window's position switching device shifter, the window's position micromatic setting, described the window's position switching device shifter is provided with master site and spare space, and be implemented in switching between master site and the spare space, the described status of a sovereign is set to the contact portion that watch window is aimed at main inlet wire post (21) and main power source wiring contact (23), described spare space is the contact portion that watch window is aimed at standby inlet wire post (31) and stand-by power supply wiring contact (33), described contact portion is provided with the temperature indicating piece, described the window's position micromatic setting realizes that the watch window center is from the A phase, B reaches mutually between the C phase and switches, described magnifying glass is arranged on the watch window, described illumination shot-light be arranged on magnifying glass one side and with magnifying glass in bobbin arrange in the same way.
8. electrical network device for intelligently switching according to claim 5, it is characterized in that: described housing (1) is provided with watch window, magnifying glass, the illumination shot-light, the window's position switching device shifter, the window's position micromatic setting, described the window's position switching device shifter is provided with master site and spare space, and be implemented in switching between master site and the spare space, the described status of a sovereign is set to the contact portion that watch window is aimed at main inlet wire post (21) and main power source wiring contact (23), described spare space is the contact portion that watch window is aimed at standby inlet wire post (31) and stand-by power supply wiring contact (33), described contact portion is provided with the temperature indicating piece, described the window's position micromatic setting realizes that the watch window center is from the A phase, B reaches mutually between the C phase and switches, described magnifying glass is arranged on the watch window, described illumination shot-light be arranged on magnifying glass one side and with magnifying glass in bobbin arrange in the same way.
9. electrical network device for intelligently switching according to claim 6, it is characterized in that: described housing (1) is provided with watch window, magnifying glass, the illumination shot-light, the window's position switching device shifter, the window's position micromatic setting, described the window's position switching device shifter is provided with master site and spare space, and be implemented in switching between master site and the spare space, the described status of a sovereign is set to the contact portion that watch window is aimed at main inlet wire post (21) and main power source wiring contact (23), described spare space is the contact portion that watch window is aimed at standby inlet wire post (31) and stand-by power supply wiring contact (33), described contact portion is provided with the temperature indicating piece, described the window's position micromatic setting realizes that the watch window center is from the A phase, B reaches mutually between the C phase and switches, described magnifying glass is arranged on the watch window, described illumination shot-light be arranged on magnifying glass one side and with magnifying glass in bobbin arrange in the same way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110306254 CN102324783B (en) | 2011-10-11 | 2011-10-11 | Intelligent switching device for power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110306254 CN102324783B (en) | 2011-10-11 | 2011-10-11 | Intelligent switching device for power grid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102324783A CN102324783A (en) | 2012-01-18 |
| CN102324783B true CN102324783B (en) | 2013-08-14 |
Family
ID=45452470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110306254 Expired - Fee Related CN102324783B (en) | 2011-10-11 | 2011-10-11 | Intelligent switching device for power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102324783B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188515A (en) * | 1978-11-01 | 1980-02-12 | Westinghouse Electric Corp. | Telescoping disconnect switch with low resistance center conductor |
| US5578805A (en) * | 1994-06-13 | 1996-11-26 | Abb Management Ag | Metal-enclosed gas-filled switchgear units |
| CN1288574A (en) * | 1998-11-12 | 2001-03-21 | 朗-麦克拉北美有限责任公司 | Electric switch |
| CN101431218A (en) * | 2008-11-21 | 2009-05-13 | 郑文秀 | Intelligent duplicate supply switching device |
| CN101521405A (en) * | 2008-11-19 | 2009-09-02 | 郑文秀 | Intelligent double-power supply switching device |
| CN201904246U (en) * | 2010-12-03 | 2011-07-20 | 黄文平 | Double-power automatic changeover switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2567813B2 (en) * | 1994-03-15 | 1996-12-25 | 共立継器株式会社 | Power switch |
-
2011
- 2011-10-11 CN CN 201110306254 patent/CN102324783B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188515A (en) * | 1978-11-01 | 1980-02-12 | Westinghouse Electric Corp. | Telescoping disconnect switch with low resistance center conductor |
| US5578805A (en) * | 1994-06-13 | 1996-11-26 | Abb Management Ag | Metal-enclosed gas-filled switchgear units |
| CN1288574A (en) * | 1998-11-12 | 2001-03-21 | 朗-麦克拉北美有限责任公司 | Electric switch |
| CN101521405A (en) * | 2008-11-19 | 2009-09-02 | 郑文秀 | Intelligent double-power supply switching device |
| CN101431218A (en) * | 2008-11-21 | 2009-05-13 | 郑文秀 | Intelligent duplicate supply switching device |
| CN201904246U (en) * | 2010-12-03 | 2011-07-20 | 黄文平 | Double-power automatic changeover switch |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-254336A 1995.10.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102324783A (en) | 2012-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101807487B (en) | Permanent magnet high-voltage vacuum circuit breaker | |
| CN109166747B (en) | DC load switch | |
| CN201732720U (en) | Permanent-magnet high-voltage vacuum circuit breaker | |
| CN212516998U (en) | Direct control device for contact net isolating switch | |
| CN107706043B (en) | A kind of vacuum direct current quick breaker | |
| CN102355050B (en) | Intelligent switching device of electric network | |
| CN2899075Y (en) | High-voltage vacuum permanent magnetic circuit breaker | |
| CN102324783B (en) | Intelligent switching device for power grid | |
| CN208861857U (en) | A kind of DC load switch | |
| CN202231482U (en) | Electric network intelligent switching device | |
| CN204257436U (en) | A kind of middle pressure automatic change-over electric appliance with duplicate of permanent magnet mechanism operation | |
| CN202260616U (en) | Intelligent switching device for power grid | |
| EP2892068B1 (en) | Transfer switch appliance | |
| CN101431218B (en) | Intelligent duplicate supply switching device | |
| CN1258800C (en) | Current limiting circuit breaker | |
| CN212343022U (en) | Double-power switch cabinet | |
| CN202190118U (en) | Medium voltage double-power load switch | |
| CN108321682B (en) | Power distribution cabinet interlocking control system and contact cabinet control circuit thereof | |
| CN101826751B (en) | Intelligent dual-power transfer switch driven by cylindrical single-phase linear asynchronous motor | |
| CN101521405B (en) | Intelligent double-power supply switching device | |
| CN201066666Y (en) | A contact relay | |
| CN111786265A (en) | Double-power switch cabinet | |
| CN201312141Y (en) | Intelligent conversion device for duplicate supply | |
| CN201608066U (en) | intelligentized double-power transfer switch driven by cylindrical monophase linear asynchronous motor | |
| CN205140786U (en) | Electric circuit breaker of pneumatic type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20141011 |
|
| EXPY | Termination of patent right or utility model |