CN104916491A - Permanent magnet vacuum on-load tap switch - Google Patents
Permanent magnet vacuum on-load tap switch Download PDFInfo
- Publication number
- CN104916491A CN104916491A CN201510372099.2A CN201510372099A CN104916491A CN 104916491 A CN104916491 A CN 104916491A CN 201510372099 A CN201510372099 A CN 201510372099A CN 104916491 A CN104916491 A CN 104916491A
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- China
- Prior art keywords
- low
- pressure
- vacuum pipe
- pressure side
- vacuum
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Abstract
The invention discloses a permanent magnet vacuum on-load tap switch including an insulation frame structure, and a high voltage side static end conducting board, a high-voltage side vacuum switch tube, a high voltage side movable end conducting board, a low voltage side static end conducting board, a low voltage side vacuum switch tube, a low voltage side movable end conducting board, a low voltage guide rail, a high voltage guide rail, a high voltage connecting rod, a low voltage connecting rod, a bistable state permanent magnet operation mechanism and a rotary arm unit. The bistable state permanent magnet operation mechanism can drive the rotary arm unit to rotate. The rotary arm unit can drive the high voltage connecting rod to move in the high voltage guide rail and drive the low volage connecting rod to move in the low voltage guide rail during a rotating process. The high voltage connecting rod can drive the high voltage side movable end conducting board to move up and down when moving in the high voltage guide rail. The low voltage connecting rod can drive the low voltage side movable end conducting board up and down when moving in the low voltage guide rail. The permanent magnet vacuum on-load tap switch works in transformer oil and no arc leakage may be generated. No metal evaporation is generated, so that contamination of the transformer oil and deterioration of the transformer oil are avoided.
Description
Technical field
The present invention relates to a kind of contactor technical field, relate to a kind of permanent magnet type vacuum on load tap changer specifically, in transformer oil.
Background technology
The on load tap changer used in existing special transformer mostly is oil switch, structure is mainly cartridge type layout, tap action is done by the double-throw contact of driven by motor conductive slider, because the dynamic load of switch frequent area switches, the electric arc that electric contact produces can cause the cracking of circuit-breaker oil in transformer oil, produces the deterioration of the oil such as free carbon, moisture, reduces the dielectric strength of oil, limit the switching times of switch, even jeopardize the safe operation of transformer.The time between overhauls(TBO) of oil switch formula on load tap changer is short, generally every 6 months to 1 year or tap conversion all need for 2000 to 4000 times to change switch grease chamber insulating oil and adjustment contact overhaul, newly to put into operation 1 ~ 2 year or tap converts 5000 times, pendant-core examination answered by diverter switch or selector switch, is generally tap conversion 1 ~ 20,000 time useful life.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of permanent magnet type vacuum on load tap changer, not only structure be simple, volume is little, possibility is higher, non-maintaining, do not pollute transformer oil, and reach 100,000 useful life.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of permanent magnet type vacuum on load tap changer, comprise insulated frame structure, the quiet end conductive plate in high-pressure side is provided with in described insulated frame structure, high-pressure side vacuum switch tube, moved end, high-pressure side conductive plate, the quiet end conductive plate of low-pressure side, low-pressure side vacuum switch tube, low-pressure side moved end conductive plate, low pressure guide rail, high pressure guide rail, high-pressure connecting rod, low pressure connecting rod, bistable state permanent magnet operating mechanism and pivoted arm group, described high-pressure side vacuum switch tube, the quiet end conductive plate in high-pressure side, moved end, high-pressure side conductive plate is arranged at the side of described insulated frame structure, and described high-pressure side vacuum switch tube is upper, quiet end conductive plate and moved end, high-pressure side conductive plate are electrically connected with this high-pressure side respectively in lower end, described low-pressure side vacuum switch tube, low-pressure side quiet end conductive plate, low-pressure side moved end conductive plate are arranged at the relative opposite side of described insulated frame structure, and the upper and lower end of described low-pressure side vacuum switch tube is respectively with this low-pressure side, and quiet end conductive plate, low-pressure side moved end conductive plate are electrically connected, described bistable state permanent magnet operating mechanism can drive described pivoted arm group to rotate, energizes high-pressure connecting rod can be distinguished when this pivoted arm group is rotated to move in high pressure guide rail, and low pressure connecting rod moves in low pressure guide rail, moved end, described high-pressure side conductive plate can be driven when this high-pressure connecting rod moves in high pressure guide rail to move up and down (the on/off switch action realizing high-pressure side vacuum switch tube), described low-pressure side moved end conductive plate when this low pressure connecting rod moves in low pressure guide rail, can be driven to move up and down (the on/off switch action realizing low-pressure side vacuum switch tube).
As a further improvement on the present invention, described insulated frame structure is made up of metal base plate, metallic stud, insulated mounting plate and insulation top board, metal base plate, insulated mounting plate and insulation top board horizontally set successively, some metallic studs are longitudinally arranged at intervals at described metal base plate and insulated mounting plate and between insulated mounting plate and insulation top board.
As a further improvement on the present invention, described high-pressure side moved end conductive plate and low-pressure side moved end conductive plate are connected to high-pressure connecting rod and low pressure connecting rod respectively by insulated tension pole, moved by this insulated connecting rod energizes high-pressure side moved end conductive plate or low-pressure side moved end conductive plate when high-pressure connecting rod or low pressure connecting rod move in high pressure guide rail or low pressure guide rail, thus realize the on/off switch action of high-pressure side vacuum switch tube or low-pressure side vacuum switch tube.
As a further improvement on the present invention, described high-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D; Described low-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D, and these 4 low-pressure side vacuum switch tubes and 4 high-pressure side vacuum switch tube corresponding settings respectively.
As a further improvement on the present invention, when described bistable state permanent magnet operating mechanism is in sub-gate position, described high pressure vacuum pipe A, high pressure vacuum pipe B, low-voltage vacuum pipe A, low-voltage vacuum pipe B are in "on" position; When described bistable state permanent magnet operating mechanism is in closing position, described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C are in gate-dividing state; When described bistable state permanent magnet operating mechanism is in the interposition of closing position and sub-gate position, described high pressure vacuum pipe C, low-voltage vacuum pipe C are in "on" position.
As a further improvement on the present invention, the operating voltage of described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D is 7.2KV, and the operating voltage of described low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D is 1.14KV.
As a further improvement on the present invention, the stroke two ends that described bistable state permanent magnet operating mechanism does the action of splitting or integrating lock are respectively equipped with proximity switch, and this proximity switch is handled properly detection, provides a secondary electric contact for external control circuit.
The invention has the beneficial effects as follows:
Employing bi-stable permanent magnetism operating mechanism drives, and mechanical wear is little, do not need in long service life, Maintenance free, steady operation electricity to maintain.
Adopt vacuum switch tube to do electric contact to switch, when doing tap action, electric arc does not leak outside, and contact, can not pollute transformer oil with transformer oil, non-maintaining in useful life period, does not need replacing transformer oil, economic benefits.
Have simultaneously high-pressure side switch and low-pressure side switching and synchronously carry out, technology is more advanced, and volume is compacter.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention;
Fig. 2 is the left TV structure schematic diagram of the present invention;
Fig. 3 is the right TV structure schematic diagram of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---bi-stable permanent magnetism operating mechanism 2---metal base plate
3---metallic stud 4---insulated tension pole
5---low pressure guide rail 6---insulated mounting plate
7---moved end, high-pressure side conductive plate 8---high-pressure connecting rod
9---pivoted arm group 10---low pressure connecting rod
11---low-pressure side moved end conductive plate 12---high pressure guide rail
13---proximity switch 14---high-pressure side vacuum switch tube
15---the quiet end conductive plate 16 of low-pressure side---insulation top board
17---the quiet end conductive plate 18 in high-pressure side---low-pressure side vacuum switch tube
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present invention is elaborated.But protection scope of the present invention is not limited to following embodiment, the simple equivalence namely in every case done with the present patent application the scope of the claims and description changes and modifies, and all still belongs within patent covering scope of the present invention.
Consult Fig. 1-3, a kind of permanent magnet type vacuum on load tap changer, comprise insulated frame structure, the quiet end conductive plate 17 in high-pressure side is provided with in this insulated frame structure, high-pressure side vacuum switch tube 14, moved end, high-pressure side conductive plate 7, the quiet end conductive plate 15 of low-pressure side, low-pressure side vacuum switch tube 18, low-pressure side moved end conductive plate 11, low pressure guide rail 5, high pressure guide rail 12, high-pressure connecting rod 8, low pressure connecting rod 10, bistable state permanent magnet operating mechanism 1 and pivoted arm group 9, described high-pressure side vacuum switch tube, the quiet end conductive plate in high-pressure side, moved end, high-pressure side conductive plate is arranged at the side of described insulated frame structure, and described high-pressure side vacuum switch tube is upper, quiet end conductive plate and moved end, high-pressure side conductive plate are electrically connected with this high-pressure side respectively in lower end, described low-pressure side vacuum switch tube, low-pressure side quiet end conductive plate, low-pressure side moved end conductive plate are arranged at the relative opposite side of described insulated frame structure, and the upper and lower end of described low-pressure side vacuum switch tube is respectively with this low-pressure side, and quiet end conductive plate, low-pressure side moved end conductive plate are electrically connected, described bistable state permanent magnet operating mechanism can drive described pivoted arm group to rotate, energizes high-pressure connecting rod can be distinguished when this pivoted arm group is rotated to move in high pressure guide rail, and low pressure connecting rod moves in low pressure guide rail, moved end, described high-pressure side conductive plate can be driven when this high-pressure connecting rod moves in high pressure guide rail to move up and down (the on/off switch action realizing high-pressure side vacuum switch tube), described low-pressure side moved end conductive plate when this low pressure connecting rod moves in low pressure guide rail, can be driven to move up and down (the on/off switch action realizing low-pressure side vacuum switch tube).
Described insulated frame structure is made up of metal base plate 2, metallic stud 3, insulated mounting plate 6 and insulation top board 16, metal base plate, insulated mounting plate and insulation top board horizontally set successively, some metallic studs are longitudinally arranged at intervals at described metal base plate and insulated mounting plate and between insulated mounting plate and insulation top board.
Described high-pressure side moved end conductive plate and low-pressure side moved end conductive plate are connected to high-pressure connecting rod and low pressure connecting rod respectively by insulated tension pole 4, moved by this insulated connecting rod energizes high-pressure side moved end conductive plate or low-pressure side moved end conductive plate when high-pressure connecting rod or low pressure connecting rod move in high pressure guide rail or low pressure guide rail, thus realize the on/off switch action of high-pressure side vacuum switch tube or low-pressure side vacuum switch tube.
Described high-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D; Described low-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D, and these 4 low-pressure side vacuum switch tubes and 4 high-pressure side vacuum switch tube corresponding settings respectively.
When described bistable state permanent magnet operating mechanism is in sub-gate position, described high pressure vacuum pipe A, high pressure vacuum pipe B, low-voltage vacuum pipe A, low-voltage vacuum pipe B are in "on" position; When described bistable state permanent magnet operating mechanism is in closing position, described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C are in gate-dividing state; When described bistable state permanent magnet operating mechanism is in the interposition of closing position and sub-gate position, described high pressure vacuum pipe C, low-voltage vacuum pipe C are in "on" position.
The operating voltage of described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D is 7.2KV, and the operating voltage of described low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D is 1.14KV.
The stroke two ends that described bistable state permanent magnet operating mechanism does the action of splitting or integrating lock are respectively equipped with proximity switch 13, and this proximity switch is handled properly detection, provides a secondary electric contact for external control circuit.
This permanent magnet type vacuum on load tap changer works in transformer oil, without the electric arc that leaks outside during use, can not produce evaporation of metal and pollute transformer oil, the deteriorated risk of transless oil.In addition, the driving mechanism that the present invention adopts is bi-stable permanent magnetism operating mechanism, and adopt electric pulse in short-term to drive when switching at combined floodgate, separating brake, maintain state by permanent magnetic, maintenance period does not need power supply.
Claims (7)
1. a permanent magnet type vacuum on load tap changer, comprise insulated frame structure, it is characterized in that: in described insulated frame structure, be provided with the quiet end conductive plate (17) in high-pressure side, high-pressure side vacuum switch tube (14), moved end, high-pressure side conductive plate (7), the quiet end conductive plate (15) of low-pressure side, low-pressure side vacuum switch tube (18), low-pressure side moved end conductive plate (11), low pressure guide rail (5), high pressure guide rail (12), high-pressure connecting rod (8), low pressure connecting rod (10), bistable state permanent magnet operating mechanism (1) and pivoted arm group (9), described high-pressure side vacuum switch tube, the quiet end conductive plate in high-pressure side, moved end, high-pressure side conductive plate is arranged at the side of described insulated frame structure, and described high-pressure side vacuum switch tube is upper, quiet end conductive plate and moved end, high-pressure side conductive plate are electrically connected with this high-pressure side respectively in lower end, described low-pressure side vacuum switch tube, low-pressure side quiet end conductive plate, low-pressure side moved end conductive plate are arranged at the relative opposite side of described insulated frame structure, and the upper and lower end of described low-pressure side vacuum switch tube is respectively with this low-pressure side, and quiet end conductive plate, low-pressure side moved end conductive plate are electrically connected, described bistable state permanent magnet operating mechanism can drive described pivoted arm group to rotate, energizes high-pressure connecting rod can be distinguished when this pivoted arm group is rotated to move in high pressure guide rail, and low pressure connecting rod moves in low pressure guide rail, moved end, described high-pressure side conductive plate can be driven when this high-pressure connecting rod moves in high pressure guide rail to move up and down, described low-pressure side moved end conductive plate when this low pressure connecting rod moves in low pressure guide rail, can be driven to move up and down.
2. permanent magnet type vacuum on load tap changer according to claim 1, it is characterized in that: described insulated frame structure is made up of metal base plate (2), metallic stud (3), insulated mounting plate (6) and insulation top board (16), metal base plate, insulated mounting plate and insulation top board horizontally set successively, some metallic studs are longitudinally arranged at intervals at described metal base plate and insulated mounting plate and between insulated mounting plate and insulation top board.
3. permanent magnet type vacuum on load tap changer according to claim 1, is characterized in that: described high-pressure side moved end conductive plate and low-pressure side moved end conductive plate are connected to high-pressure connecting rod and low pressure connecting rod respectively by insulated tension pole (4).
4. permanent magnet type vacuum on load tap changer according to claim 1, is characterized in that: described high-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D; Described low-pressure side vacuum switch tube is 4 and is arranged side by side, and is respectively low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D, and these 4 low-pressure side vacuum switch tubes and 4 high-pressure side vacuum switch tube corresponding settings respectively.
5. permanent magnet type vacuum on load tap changer according to claim 4, is characterized in that: when described bistable state permanent magnet operating mechanism is in sub-gate position, and described high pressure vacuum pipe A, high pressure vacuum pipe B, low-voltage vacuum pipe A, low-voltage vacuum pipe B are in "on" position; When described bistable state permanent magnet operating mechanism is in closing position, described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C are in gate-dividing state; When described bistable state permanent magnet operating mechanism is in the interposition of closing position and sub-gate position, described high pressure vacuum pipe C, low-voltage vacuum pipe C are in "on" position.
6. permanent magnet type vacuum on load tap changer according to claim 4, it is characterized in that: the operating voltage of described high pressure vacuum pipe A, high pressure vacuum pipe B, high pressure vacuum pipe C, high pressure vacuum pipe D is 7.2KV, the operating voltage of described low-voltage vacuum pipe A, low-voltage vacuum pipe B, low-voltage vacuum pipe C, low-voltage vacuum pipe D is 1.14KV.
7. permanent magnet type vacuum on load tap changer according to claim 5, it is characterized in that: the stroke two ends that described bistable state permanent magnet operating mechanism does the action of splitting or integrating lock are respectively equipped with proximity switch (13), this proximity switch is handled properly detection, provides a secondary electric contact for external control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372099.2A CN104916491B (en) | 2015-06-30 | 2015-06-30 | Permanent magnet vacuum on-load tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372099.2A CN104916491B (en) | 2015-06-30 | 2015-06-30 | Permanent magnet vacuum on-load tap switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104916491A true CN104916491A (en) | 2015-09-16 |
| CN104916491B CN104916491B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510372099.2A Active CN104916491B (en) | 2015-06-30 | 2015-06-30 | Permanent magnet vacuum on-load tap switch |
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| Country | Link |
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| CN (1) | CN104916491B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242510A (en) * | 2021-11-03 | 2022-03-25 | 广东电网电动汽车服务有限公司 | Horizontal on-load capacity-regulating tap switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000911A (en) * | 1977-07-09 | 1979-01-17 | Reinhausen Maschf Scheubeck | A tap changing switch |
| CN2653656Y (en) * | 2003-09-12 | 2004-11-03 | 王建民 | Vacuum loaded shunt switch |
| CN204067084U (en) * | 2014-07-30 | 2014-12-31 | 北京博瑞莱智能科技集团有限公司 | A kind of novel capacitance switch structure |
| CN204991586U (en) * | 2015-06-30 | 2016-01-20 | 昆山国力真空电器有限公司 | Magneto vacuum on -load tap -changer |
-
2015
- 2015-06-30 CN CN201510372099.2A patent/CN104916491B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000911A (en) * | 1977-07-09 | 1979-01-17 | Reinhausen Maschf Scheubeck | A tap changing switch |
| CN2653656Y (en) * | 2003-09-12 | 2004-11-03 | 王建民 | Vacuum loaded shunt switch |
| CN204067084U (en) * | 2014-07-30 | 2014-12-31 | 北京博瑞莱智能科技集团有限公司 | A kind of novel capacitance switch structure |
| CN204991586U (en) * | 2015-06-30 | 2016-01-20 | 昆山国力真空电器有限公司 | Magneto vacuum on -load tap -changer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242510A (en) * | 2021-11-03 | 2022-03-25 | 广东电网电动汽车服务有限公司 | Horizontal on-load capacity-regulating tap switch |
| CN114242510B (en) * | 2021-11-03 | 2024-03-29 | 广东电网电动汽车服务有限公司 | Horizontal on-load capacity-regulating tapping switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104916491B (en) | 2017-05-17 |
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| CB02 | Change of applicant information |
Address after: 215300 West Lake Road, Kunshan Development Zone, Jiangsu, China, No. 28, No. Applicant after: Kunshan national electronic Polytron Technologies Inc Address before: 215300 Kunshan, Jiangsu Development Zone, the Yangtze River Road, No. 179, No. Applicant before: Kunshan Guoli Vacuum Electric Co., Ltd. |
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