CN201936800U - Outdoor high-voltage intelligent type permanent magnet vacuum switch - Google Patents
Outdoor high-voltage intelligent type permanent magnet vacuum switch Download PDFInfo
- Publication number
- CN201936800U CN201936800U CN201020678708XU CN201020678708U CN201936800U CN 201936800 U CN201936800 U CN 201936800U CN 201020678708X U CN201020678708X U CN 201020678708XU CN 201020678708 U CN201020678708 U CN 201020678708U CN 201936800 U CN201936800 U CN 201936800U
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- insulating sleeve
- permanent magnet
- converter
- output circuit
- switch cabinet
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
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- 238000005070 sampling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
An outdoor high-voltage intelligent type permanent magnet vacuum switch comprises one or three single operation mechanisms identical in structures. The single operation mechanism is fixed on an electric cabinet (3) and comprises an insulating sleeve tube (7), a vacuum arc extinguish chamber (12), a fixed conductive block (11), a movable conductive block (6), an insulating draw rod (5), an upper wire outlet terminal (13), a lower wire outlet terminal (8), a protective CT (current transformer) (10) and an external PT (potential transformer) (9). The vacuum arc extinguish chamber (12) is positioned in a central through hole of the insulating sleeve tube (7), and the electric cabinet (3) comprises a permanent magnetic mechanism (2), a power output shaft (4) and an electric cabinet spindle (14). The defects of the traditional operation mechanism which is high in movement time dispersibility, slow in response speed and difficult to accurately control phases respectively according to time orders in three-phase alternating-current system can be overcome. The outdoor high-voltage intelligent type permanent magnetic vacuum switch is capable of realizing measuring, protection, controlling and communication, and short in movement time and maintenance-free by means of the combination of a permanent magnet operation mechanism with a quick protective controller.
Description
Technical field
The utility model relates to a kind of permanent magnetism vacuum switch, and more particularly it is the intelligent permanent magnetism vacuum switch of a kind of outdoor high-voltage.
Background technology
The user requires growingly to power quality, and the principal element that influences power quality is the electric disturbance in the electric power networks.And electric disturbance mainly comprises electric voltage dropping and increases the harmonic component of voltage, overvoltage, voltage fluctuation etc. suddenly.High order harmonic component can make electric equipment overheated, can cause the dielectric breakdown of insulated cable, makes control appliance misoperation etc.When dropping into, can produce amplitude and all very high the shoving of frequency as capacitor and unloaded transformer.The excessive contact melting welding that may cause switch of shoving, scaling loss; The electric power that produces of shoving may make other damage parts; Excessive current transformer and the series reactor also may given that shove causes insulation harm etc.For inductive load, shoving that amplitude is very big will cause switch contact impaired, and Transformer Winding produces mechanical stress, the protection relay misoperation, and overvoltage may cause harm such as apparatus local discharge.Employing has intelligence and selects the amplitude that the switch of phase route selection (close synchronously close) function can reduce to shove and the disturbance of voltage, consider from aspects such as the effect of restriction transient voltage and economy, all than common usefulness preset switching-on resistance and lightning arrester is far better.
But traditional operating mechanism (spring mechanism and electromagnetic mechanism) is a complicated mechanical system, parts are many, the motion link is long, therefore run duration is dispersed big, response speed is slow, and traditional operating mechanism is the coaxial motion mode of three-phase, thereby is difficult to chronologically each accurately be controlled respectively mutually in the three-phase alternating current system.The permanent magnet mechanism that relies on intelligent control technology to carry out actuating, it is simple in structure, and volume is little, can dispose suitable permanent magnet mechanism respectively for each utmost point of switch easily, to realize the accurate control to switch three polar motions.The intelligent choosing that appears as of permanent magnet mechanism reaches the route selection technology mutually good technical foundation is provided, and makes intelligence select phase route selection technology to come true in the practical application of electric power system.
Therefore, research and develop the intelligent permanent magnetism vacuum switch of a kind of outdoor high-voltage and become a urgent and important job.
Summary of the invention
The purpose of this utility model is in order to overcome the weak point of above-mentioned background technology, and provides a kind of outdoor high-voltage intelligent permanent magnetism vacuum switch.It adopts monostable twin coil permanent magnetism brake mechanism, can realize that intelligent choosing reaches fault line detection mutually, and does not need the integrated design high voltage permanent vacuum switch of external power supply.
The purpose of this utility model reaches by following measure: it comprises 1 or 3 single cover operating mechanisms that structure is identical, three single cover operating mechanism gaps are fixed on the switch cabinet, described single cover operating mechanism comprises insulating sleeve, is positioned at the vacuum interrupter of the center through hole of insulating sleeve, quiet conducting block, moving conductive piece, insulated tension pole, goes up outlet terminal, lower wire end, protection CT, external PT; Described switch cabinet comprises permanent magnet mechanism, power output shaft and switch cabinet main shaft; There is last outlet terminal the vacuum interrupter upper end, one end of last outlet terminal stretches out outside the insulating sleeve, quiet conducting block side is protruding with lower wire end, one end of lower wire end stretches out outside the insulating sleeve, be provided with protection CT in the described insulating sleeve, described protection is cast in the insulating sleeve with CT, and the periphery and the insulating sleeve of lower wire end fuse, and described insulating sleeve and external PT all are fixed on the switch cabinet; The insulating sleeve lower end links to each other with permanent magnet mechanism in the switch cabinet, and the power output shaft lower end on the permanent magnet mechanism contacts with the switch cabinet main shaft; Described external PT upper end is connected with the last outlet terminal of vacuum interrupter, and external PT lower end is fixed on the switch cabinet.
In technique scheme, described permanent magnet mechanism links to each other with the insulating sleeve lower end by power output shaft.
In technique scheme, also be provided with the manual brake separating bar in the described switch cabinet, described manual brake separating bar is in tilted layout below permanent magnet mechanism.
In technique scheme; it also comprises power module; A/D converter; digital information processor and output circuit, described external PT is connected with power module, and protection is connected with A/D converter with CT; output circuit is connected with permanent magnet mechanism; power module respectively with A/D converter, digital information processor is connected with output circuit, digital information processor is between A/D converter and output circuit and be connected with output circuit with A/D converter respectively.
The utility model is for adapting to the intelligent permanent magnetism vacuum switch of a kind of outdoor high-voltage that intelligent grid self-healing function demand designs, can be used for the on-pole switch that main transformer 10kV side switch, transformer and distribution power station 10kV go out wiretap and power distribution network, also can be applicable to industrial and mining enterprises' distribution system.Can realize easily measuring, protect, control and communicate by letter, be the preferred unit of realizing the intelligent power distribution net.The utility model relates to the monostable twin coil permanent-magnet operating mechanism of employing, can realize quick syllogic current protection, does not need the integrated design high voltage permanent vacuum switch of external power supply; Permanent-magnet manipulating mechanism combines with protecting controller fast, and operate time is short; Insulation crust adopts the vacuum insulation pouring technology, and switch cabinet and operation control box body all adopt stainless steel to make Maintenance free; The remote controller that is equipped with the band Chinese character to show simultaneously can carry out straighforward operation.
Description of drawings
Fig. 1 is the structural representation of single cover operating mechanism in the utility model.
Fig. 2 is the structural representation (three single cover operating mechanisms) of the intelligent permanent magnetism vacuum switch of the utility model outdoor high-voltage.
Fig. 3 is the block diagram of intelligent control part in the utility model.
1. manual brake separating bars, 2. permanent magnet mechanism, 3. switch cabinet among the figure; 4. (permanent magnet mechanism) power output shaft, 5. insulated tension pole, 6. moving conductive piece; 7. insulating sleeve, 8. lower wire end, 9. external PT; 10. protect and use CT, 11. quiet conducting blocks, 12. vacuum interrupters; 13. last outlet terminal, 14. switch cabinet main shafts, 15. power modules; 16. A/D converter, 17. digital information processor, 18. output circuits.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to qualification of the present utility model, only do for example.Simultaneously by illustrating that advantage of the present utility model will become clear more and understanding easily.
Consult accompanying drawing as can be known: the intelligent permanent magnetism vacuum switch of the utility model outdoor high-voltage, it comprises 1 or 3 single cover operating mechanisms that structure is identical, single cover operating mechanism gap is fixed on the switch cabinet 3, described single cover operating mechanism comprises insulating sleeve 7, be positioned at the center through hole of insulating sleeve 7 vacuum interrupter 12, quiet conducting block 11, moving conductive piece 6, insulated tension pole 5, go up outlet terminal 13, lower wire end 8, protection CT10, external PT9; Described switch cabinet 3 comprises permanent magnet mechanism 2, power output shaft 4 and switch cabinet main shaft 14; There is last outlet terminal 13 vacuum interrupter 12 upper ends, one end of last outlet terminal 13 stretches out outside the insulating sleeve 7, quiet conducting block 11 sides are protruding with lower wire end 8, one end of lower wire end 8 stretches out outside the insulating sleeve 7, be provided with protection CT (10) in the described insulating sleeve 7, described protection is cast in the insulating sleeve 7 with CT10, and the periphery of lower wire end 8 and insulating sleeve 7 fuse, and described insulating sleeve 7 and external PT9 all are fixed on the switch cabinet 3; Permanent magnet mechanism 2 in insulating sleeve 7 lower ends and the switch cabinet 3 links to each other, and power output shaft 4 lower ends on the permanent magnet mechanism 2 contact with switch cabinet main shaft 14; Described external PT9 upper end is connected with the last outlet terminal 13 of vacuum interrupter, and external PT9 lower end is fixed on (as shown in Figure 1 and Figure 2) on the switch cabinet 3.
It also comprises power module 15; A/D converter 16; digital information processor 17 and output circuit 18; described controller power source PT9 is connected with power module 15; protection is connected with A/D converter 16 with CT10; output circuit 18 is connected with permanent magnet mechanism 2; power module 15 respectively with A/D converter 16; digital information processor 17 is connected with output circuit 18, and digital information processor 17 is between A/D converter 16 and output circuit 18 and be connected (as shown in Figure 3) with A/D converter 16 with output circuit 18 respectively.
The intelligent permanent magnetism vacuum switch of the utility model outdoor high-voltage has following characteristics:
(1) adopt monostable twin coil permanent magnetism vacuum mechanism as executive component, and employing three-phase independent agency, most of mechanical connecting element between independent agency and the vacuum interrupter has been removed, by permanent-magnet operating mechanism motion guide rod with link to each other with insulated tension pole, finish the breaking-closing operating of switch, only surplus next movable part has up to a hundred movable parts at least with respect to traditional bistable switch, and it has almost significantly reduced the possibility that produces mechanical breakdown.Simultaneously, owing to adopted twin coil, power supply to need not the commutation operation, improved the reliability of power supply.
(2) the utility model adopts external PT design, as controller power source.Adopt the external voltage transformer, both reduced the complexity of breaker body, reduced potential faults again.If adopt Switch main body built-in C T, might cause the loop resistance value bigger than normal, cause temperature rise value in service to exceed standard, high temperature then can reduce the insulation property of the insulation ester of filling around epoxy resin and the CT, reduces the useful life of circuit breaker.
(3) the utility model adopts intelligence to select phase route selection technology, effectively raises the quality of power supply and the stability of a system.Select phase route selection technology can reduce shoving of closing operation and overvoltage by intelligence; Shorten transient process, suppress overvoltage; The utility model can replace switching-on resistance simultaneously, auxiliary equipment such as combined floodgate inductance or series reactor, and what increased is the lower-cost control system of a cover, thereby has reduced cost.
(4) the utility model adopts rapid data collection and processing unit, adopts the sampling of digital information processor 17 and A/D converter 16 high-speed synchronous, has the ability of quick disjunction fault current, can isolate distribution fault fast, avoids the upper level switch trip.The utility model adopts advanced permanent-magnet manipulating mechanism to combine with novel quick protection controller, and lack operate time, and to switch disjunction fault current, operate time is only about 20ms from the appearance of fault current.
(5) the utility model is the intelligent switch of new generation that designs in order to adapt to intelligent grid self-healing function demand, insulation crust adopts the vacuum insulation pouring technology, the intensity height, are-tight ability is strong, has good anti-aging characteristic, compliance with environmental protection requirements, switch cabinet and operation control box body all adopt stainless steel to make Maintenance free.
(6) remote controller that is equipped with the band Chinese character to show need not can be operated by upper boom.The utility model can be realized easily measuring, protects, controls and communicate by letter, and is the preferred unit of realizing the intelligent power distribution net.
The operating process of the intelligent permanent magnetism vacuum switch of brief description the utility model outdoor high-voltage:
(1) closing operation
In the separating brake position, the moving contact of vacuum interrupter 12 remains on the separating brake position by the tripping spring that is connected with insulated tension pole 5.When needing to carry out closing operation, energy storage capacitor injects a pulse current in the output circuit 18 in permanent magnet mechanism 2 coils, after the dynamic/static contact contact, and moving contact stop motion, but moving motion 2～3mm, the compression spring of compression contacts of continuing unshakable in one's determination.Realize snap close by magnetic force between moving iron core and the yoke, at this moment coil current further increases, the magnetic flux of the magnetic material state that reaches capacity.Therefore, when the coil current that closing position cut-out output circuit 18 sends, this saturation flux makes iron core remain on closing position.Moving iron core makes the tripping spring energy storage when moving, for next sub-switching operation is got ready.
(2) sub-switching operation
During sub-switching operation, the energy storage capacitor of output circuit 18 injects a reverse impulse electric current to permanent magnet mechanism 2 coils.This electric current produces the part demagnetizing action to the magnetic material at mechanism center, reduced closing retention force, at this moment the opposite force of the tripping spring of energy storage and contact pressure spring makes unshakable in one's determination release, and to the accelerated motion of separating brake direction, final tripping spring remains on the separating brake position.
(3) operation principle of intelligent control part is as follows: protection is carried out synchronized sampling and AD conversion with the three-phase current signal of CT10 output through A/D converter 16; give digital information processor 17 after changing the digital simulation amount into; in digital information processor 17, finish quick protection algorithm; if satisfy the protection operation condition; then send trip command to permanent magnet mechanism 2, realize the quick isolation of electric network fault by output circuit 18.External PT9 provide power supply to power module, and power module 15 converts alternating current to work device needed dc supply, and respectively to A/D converter 16, digital information processor 17 and output circuit 18 power supplies.
The part of not describing in this specification is existing technology.
Claims (5)
1. the intelligent permanent magnetism vacuum switch of outdoor high-voltage, it is characterized in that it comprises 1 or 3 single cover operating mechanisms that structure is identical, single cover operating mechanism is fixed on the switch cabinet (3), described single cover operating mechanism comprises insulating sleeve (7), be positioned at the center through hole of insulating sleeve (7) vacuum interrupter (12), quiet conducting block (11), moving conductive piece (6), insulated tension pole (5), go up outlet terminal (13), lower wire end (8), protection CT (10), external PT (9); Described switch cabinet (3) comprises permanent magnet mechanism (2), power output shaft (4) and switch cabinet main shaft (14); There is last outlet terminal (13) vacuum interrupter (12) upper end, one end of last outlet terminal (13) stretches out outside the insulating sleeve (7), quiet conducting block (11) side is protruding with lower wire end (8), one end of lower wire end (8) stretches out outside the insulating sleeve (7), be provided with protection CT (10) in the described insulating sleeve (7), described protection is cast in the insulating sleeve (7) with CT (10), the periphery of lower wire end (8) and insulating sleeve (7) fuse, and described insulating sleeve (7) and external PT (9) all are fixed on the switch cabinet (3); Permanent magnet mechanism (2) in insulating sleeve (7) lower end and the switch cabinet (3) links to each other, and power output shaft (4) lower end on the permanent magnet mechanism (2) contacts with switch cabinet main shaft (14); Described external PT (9) upper end is connected with the last outlet terminal (13) of vacuum interrupter, and external PT (9) lower end is fixed on the switch cabinet (3).
2. the intelligent permanent magnetism vacuum switch of outdoor high-voltage according to claim 1 is characterized in that described permanent magnet mechanism (2) links to each other with insulating sleeve (7) lower end by power output shaft (4).
3. the intelligent permanent magnetism vacuum switch of outdoor high-voltage according to claim 1 and 2 is characterized in that also being provided with manual brake separating bar (1) in the described switch cabinet (3), and described manual brake separating bar (1) is in tilted layout in the below of permanent magnet mechanism (2).
4. the intelligent permanent magnetism vacuum switch of outdoor high-voltage according to claim 1 and 2; it is characterized in that it also comprises power module (15); A/D converter (16); digital information processor (17) and output circuit (18); described external PT (9) is connected with power module (15); protection is connected with A/D converter (16) with CT (10); output circuit (18) is connected with permanent magnet mechanism (2); power module (15) respectively with A/D converter (16); digital information processor (17) is connected with output circuit (18), and digital information processor (17) is positioned between A/D converter (16) and the output circuit (18) and is connected with output circuit (18) with A/D converter (16) respectively.
5. the intelligent permanent magnetism vacuum switch of outdoor high-voltage according to claim 3; it is characterized in that: it also comprises power module (15); A/D converter (16); digital information processor (17) and output circuit (18); described external PT (9) is connected with power module (15); protection is connected with A/D converter (16) with CT (10); output circuit (18) is connected with permanent magnet mechanism (2); power module (15) respectively with A/D converter (16); digital information processor (17) is connected with output circuit (18), and digital information processor (17) is positioned between A/D converter (16) and the output circuit (18) and is connected with output circuit (18) with A/D converter (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020678708XU CN201936800U (en) | 2010-12-24 | 2010-12-24 | Outdoor high-voltage intelligent type permanent magnet vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020678708XU CN201936800U (en) | 2010-12-24 | 2010-12-24 | Outdoor high-voltage intelligent type permanent magnet vacuum switch |
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| Publication Number | Publication Date |
|---|---|
| CN201936800U true CN201936800U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020678708XU Expired - Lifetime CN201936800U (en) | 2010-12-24 | 2010-12-24 | Outdoor high-voltage intelligent type permanent magnet vacuum switch |
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| CN (1) | CN201936800U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208396A (en) * | 2013-03-19 | 2013-07-17 | 启东德佳电器配件有限公司 | Improved intelligent circuit breaker |
| CN104158518A (en) * | 2013-12-12 | 2014-11-19 | 平顶山平高安川开关电器有限公司 | Self energy taking power supply device |
| CN109462280A (en) * | 2018-09-12 | 2019-03-12 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of antispark intelligent switch and its control method |
| CN117476396A (en) * | 2023-12-14 | 2024-01-30 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
-
2010
- 2010-12-24 CN CN201020678708XU patent/CN201936800U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208396A (en) * | 2013-03-19 | 2013-07-17 | 启东德佳电器配件有限公司 | Improved intelligent circuit breaker |
| CN104158518A (en) * | 2013-12-12 | 2014-11-19 | 平顶山平高安川开关电器有限公司 | Self energy taking power supply device |
| CN109462280A (en) * | 2018-09-12 | 2019-03-12 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of antispark intelligent switch and its control method |
| CN109462280B (en) * | 2018-09-12 | 2022-04-08 | 国网浙江省电力有限公司嘉兴供电公司 | Spark-proof intelligent switch and control method thereof |
| CN117476396A (en) * | 2023-12-14 | 2024-01-30 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
| CN117476396B (en) * | 2023-12-14 | 2024-05-03 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Baichu Technology Co., Ltd. Assignor: Wuhan Bairui Electric Power Technology Co., Ltd. Contract record no.: 2013420000054 Denomination of utility model: Outdoor high-voltage intelligent permanent magnetic vacuum switch Granted publication date: 20110817 License type: Exclusive License Record date: 20130609 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN SMART ELECTRICAL CO., LTD. Free format text: FORMER OWNER: WUHAN BAIRUI ELECTRIC POWER TECHNOLOGY CO., LTD. Effective date: 20131122 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430073 WUHAN, HUBEI PROVINCE TO: 430205 WUHAN, HUBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131122 Address after: 430205, Yao hi tech Industrial Park, four hi tech Zone, 35 hi tech Zone, Wuhan, Hubei, East Lake Patentee after: Wuhan Baichu Technology Co., Ltd. Address before: 430073 Hubei province Wuhan city East Lake high tech Zone Jia Road Dingxin Industrial Park Comprehensive building six floor Patentee before: Wuhan Bairui Electric Power Technology Co., Ltd. |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Wuhan Baichu Technology Co., Ltd. Assignor: Wuhan Bairui Electric Power Technology Co., Ltd. Contract record no.: 2013420000054 Date of cancellation: 20140714 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: WEISHENG BAICHU ELECTRIC POWER TECHNOLOGY CO., LTD Free format text: FORMER NAME: WUHAN SMART ELECTRICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 430205, Yao hi tech Industrial Park, four hi tech Zone, 35 hi tech Zone, Wuhan, Hubei, East Lake Patentee after: WASION BAICHU ELECTRIC POWER TECHNOLOGY CO., LTD. Address before: 430205, Yao hi tech Industrial Park, four hi tech Zone, 35 hi tech Zone, Wuhan, Hubei, East Lake Patentee before: Wuhan Baichu Technology Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180226 Address after: 411201 No. 28, Bai Shi Road, Xiangtan City, Hunan Province Patentee after: WEISHENG ELECTRIC CO., LTD. Address before: 430205, Yao hi tech Industrial Park, four hi tech Zone, 35 hi tech Zone, Wuhan, Hubei, East Lake Patentee before: WASION BAICHU ELECTRIC POWER TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |