CN212303529U - Special solid-sealed pole circuit breaker for wind power - Google Patents
Special solid-sealed pole circuit breaker for wind power Download PDFInfo
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- CN212303529U CN212303529U CN202020351626.8U CN202020351626U CN212303529U CN 212303529 U CN212303529 U CN 212303529U CN 202020351626 U CN202020351626 U CN 202020351626U CN 212303529 U CN212303529 U CN 212303529U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052802 copper Inorganic materials 0.000 claims abstract description 35
- 239000010949 copper Substances 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a special solid utmost point post circuit breaker that seals of wind-powered electricity generation. The special solid-sealed polar pole circuit breaker for the wind power is mainly formed by mutually connecting and installing a spring operating mechanism, a main shaft, a first insulating pull rod, a solid-sealed polar pole, a first copper bar, a current transformer, an isolating switch, a sensor and a second insulating pull rod on a frame. Because the special solid-sealed polar pole circuit breaker for wind power adopts the combined structure of the current transformer and the circuit breaker, the special solid-sealed polar pole circuit breaker for wind power is not required to be replaced after being used like a traditional fuse, so the cost is lower; and wind-powered electricity generation special use seals utmost point post circuit breaker admittedly and adopts current transformer to detect the protection, adopts the circuit breaker to cut off, consequently cuts off the electric current bigger, can satisfy the demand that wind-powered electricity generation equipment needs higher cut-off current on the current market.
Description
Technical Field
The utility model relates to a wind-powered electricity generation switch technical field especially relates to a special solid utmost point post circuit breaker that seals of wind-powered electricity generation.
Background
The existing wind power switch mostly adopts a load switch-fuse combined structure, and has the defects that the fuse is required to be replaced immediately after being disconnected, so the cost is higher, and the on-off current of the load switch-fuse combined structure is small. Nowadays, with the rapid development of wind power technology, wind power switches often need larger on-off current, so that circuit breakers (or wind power switches) of load switch-fuse combined structures cannot meet the requirements of wind power equipment on the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind-powered electricity generation special use seals utmost point post circuit breaker admittedly to solve traditional load switch-fuse integrated configuration's the little, with high costs problem of circuit breaker break-make current.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a special solid utmost point post circuit breaker that seals of wind-powered electricity generation, special solid utmost point post circuit breaker that seals of wind-powered electricity generation includes: the device comprises a frame, a spring operating mechanism, a main shaft, a first insulating pull rod, a solid-sealed polar pole, a first copper bar, a current transformer, an isolating switch, a sensor and a second insulating pull rod, wherein the spring operating mechanism, the main shaft, the first insulating pull rod, the solid-sealed polar pole, the first copper bar, the current transformer, the isolating switch, the sensor and;
the spring operating mechanism is arranged right in front of the frame; one end of the main shaft is arranged above the spring operating mechanism, and the other end of the main shaft is arranged above the rear supporting plate of the frame; one end of the first insulating pull rod is connected with a crank arm welded on the main shaft, and the other end of the first insulating pull rod is connected with one end of the solid-sealed polar pole; the first insulating pull rod is positioned on the right side of the frame; the embedded pole penetrates through the left side and the right side of the frame; one end of the solid-sealed polar pole is also connected with one end of the first copper bar; the other end of the first copper bar is connected with one end of the current transformer; the other end of the current transformer is arranged on the frame; the current transformer and the first copper bar are both positioned on the right side of the frame, and the current transformer is positioned below the embedded pole;
the isolating switch comprises an isolating switch main shaft and an isolating knife; the isolating switch main shaft is positioned on the right side of the frame and is positioned between the current transformer and the embedded pole; the other end of the solid-sealed polar pole is in contact with one end of the isolation knife; the other end of the isolation knife is movably connected with one end of the sensor; the other end of the sensor is arranged on the frame; one end of the second insulating pull rod is connected to the middle part of the isolating knife, and the other end of the second insulating pull rod is connected with the isolating switch main shaft; the isolation knife, the second insulation pull rod and the sensor are all positioned on the left side of the frame; the second insulating pull rod is positioned below the solid-sealed polar pole; the sensor is located below the second insulating pull rod.
Optionally, the special solid-sealed pole circuit breaker for wind power further comprises: a wire inlet end; the wire inlet end is connected with one end of the current transformer.
Optionally, the special solid-sealed pole circuit breaker for wind power further comprises: the system comprises a wire outlet end, a lightning arrester and a grounding switch; one end of the wire outlet end is connected with one end of the sensor; the other end of the wire outlet end is connected with one end of the lightning rod; the other end of the lightning rod is arranged on the frame and is connected with one end of the grounding switch; the other end of the grounding switch is grounded.
Optionally, the outlet end and the lightning arrester are both located on the left side of the frame; the lightning arrester is positioned below the sensor; the grounding switch is located below the frame.
Optionally, the special solid-sealed pole circuit breaker for wind power further comprises: a second copper bar; the second copper bar is installed at one end of the current transformer, and the second copper bar is connected with the wire inlet end.
Optionally, the ground switch is connected to the second copper bar when in a closed state.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a special solid utmost point post circuit breaker that seals of wind-powered electricity generation mainly comprises spring operating device, main shaft, first insulation pull rod, solid utmost point post, first copper bar, current transformer, isolator, sensor and the insulating pull rod interconnect of second on the frame. Because the special solid-sealed polar pole circuit breaker for wind power adopts the combined structure of the current transformer and the circuit breaker, the special solid-sealed polar pole circuit breaker for wind power is not required to be replaced after being used like a traditional fuse, so the cost is lower; and wind-powered electricity generation special use seals utmost point post circuit breaker admittedly and adopts current transformer to detect the protection, adopts the circuit breaker to cut off, consequently cuts off the electric current bigger, can satisfy the demand that wind-powered electricity generation equipment needs higher cut-off current on the current market.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the special wind power embedded pole circuit breaker provided by the present invention;
fig. 2 is a front view of the special wind power embedded pole circuit breaker provided by the present invention;
fig. 3 is a front sectional view of the special wind power embedded pole circuit breaker provided by the present invention;
fig. 4 is a top view of the special wind power embedded pole circuit breaker provided by the present invention;
fig. 5 is a left side view of the special wind power embedded pole circuit breaker provided by the present invention;
fig. 6 is a right side view of the special wind power embedded pole circuit breaker provided by the present invention;
the numbers in the figures are respectively: the device comprises a wire inlet end 1, a current transformer 2, a first copper bar 3, a solid-sealed polar pole 4, an isolating switch 5, a second insulating pull rod 6, a sensor 7, a wire outlet end 8, a lightning arrester 9, a grounding switch 10, a second copper bar 11, a spring operating mechanism 12, a main shaft 13, a first insulating pull rod 14, a rear supporting plate 15, a frame 16, an isolating switch main shaft 17 and an isolating knife 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a wind-powered electricity generation special use seals utmost point post circuit breaker admittedly to solve traditional load switch-fuse integrated configuration's the little, with high costs problem of circuit breaker break-make current.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is the utility model provides a wind-powered electricity generation special use seals overall structure schematic diagram of utmost point post circuit breaker admittedly. As shown in fig. 1, the special wind power embedded pole circuit breaker is mainly formed by mutually connecting and installing a main shaft 13, a first insulating pull rod 14, an embedded pole 4, a first copper bar 3, a current transformer 2, an isolating switch 5, a second insulating pull rod 6, a sensor 7, a wire inlet end 1, a wire outlet end 8, a lightning arrester 9, a grounding switch 10, a second copper bar 11 and a spring operating mechanism 12 on a frame 16.
Fig. 2 is the utility model provides a special solid front view that seals utmost point post circuit breaker of wind-powered electricity generation. Fig. 3 is a front sectional view of the special solid-sealed pole circuit breaker for wind power. Fig. 4 is the utility model provides a special use of wind-powered electricity generation seals the plan view of utmost point post circuit breaker admittedly. Fig. 5 is the utility model provides a special left side view who seals utmost point post circuit breaker admittedly of wind-powered electricity generation. Fig. 6 is the utility model provides a special right side view who seals utmost point post circuit breaker admittedly of wind-powered electricity generation. Referring to fig. 1-6, in the special utmost point post circuit breaker that seals admittedly of wind-powered electricity generation (for short circuit breaker), spring operating device 12 installs in the front of whole circuit breaker equipment, and main shaft 13 just is connected with spring operating device 12 in frame 16 top, and rethread main shaft 13 goes up the welded connecting lever and is connected with the first insulation pull rod 14 that is located frame 16 right side, is connecting below the first insulation pull rod 14 and is lining up the utmost point post 4 that seals admittedly of frame 16 left and right both sides. The solid-sealed polar pole 4 is connected with the current transformer 2 below through the first copper bar 3.
The main shaft 17 of the isolating switch 5 is positioned on the right side of the frame 16 and between the current transformer 2 and the embedded pole 4. The isolating knife 18 of the isolating switch 5 is positioned at the left side of the frame 16 and is connected with the main shaft 17 of the isolating switch 5 through the second insulating pull rod 6. The earthing switch 10 is located below the current transformer 2, which is also the lower end of the entire circuit breaker apparatus. And on the left side of the circuit breaker arrangement, the sensor 7 is located below the second insulating rod 6 connected to the disconnector knife 18 of the disconnector 5. And down again be exactly arrester 9, be connected with sensor 7 through leading-out terminal 8 to constitute circuit breaker equipment.
Specifically, the special solid utmost point post circuit breaker that seals of wind-powered electricity generation includes: the device comprises a frame 16, and a spring operating mechanism 12, a main shaft 13, a first insulating pull rod 14, a solid-sealed polar pole 4, a first copper bar 3, a current transformer 2, an isolating switch 5, a sensor 7 and a second insulating pull rod 6 which are arranged on the frame 16.
Wherein the spring operated mechanism 12 is mounted directly in front of the frame 16; one end of the main shaft 13 is mounted above the spring operating mechanism 12, and the other end of the main shaft 13 is mounted above a rear support plate 15 of the frame 16. One end of the first insulating pull rod 14 is connected with a crank arm welded on the main shaft 13, and the other end of the first insulating pull rod 14 is connected with one end of the solid-sealed polar pole 4. The first insulating pull rod 14 is positioned at the right side of the frame 16; the embedded pole 4 penetrates through the left side and the right side of the frame 16. One end of the solid-sealed polar pole 4 is also connected with one end of the first copper bar 3; the other end of the first copper bar 3 is connected with one end of the current transformer 2; the other end of the current transformer 2 is mounted on the frame 16. The current transformer 2 and the first copper bar 3 are both positioned on the right side of the frame 16, and the current transformer 2 is positioned below the embedded pole 4.
The disconnector 5 comprises a disconnector spindle 17 and a disconnector knife 18. As shown in fig. 3, the main shaft 17 of the disconnector is located at the right side of the frame 16 and between the current transformer 2 and the embedded pole 4. The other end of the solid-sealed polar pole 4 is contacted with one end of the isolating knife 18; the other end of the isolation knife 4 is movably connected with one end of the sensor 7; the other end of the sensor 7 is mounted on the frame 16. The isolation knife 18 can therefore be rotated counterclockwise about one end of the sensor 7.
One end of the second insulating pull rod 6 is connected to the middle of the isolating knife 18, and the other end of the second insulating pull rod 6 is connected with the isolating switch spindle 17. The isolation knife 18, the second insulating pull rod 6 and the sensor 7 are all located on the left side of the frame 16. The second insulating pull rod 6 is positioned below the solid-sealed polar pole 4; the sensor 7 is positioned below the second insulating pull rod 6.
In practical application, the special solid-sealed pole circuit breaker for wind power further comprises: a wire inlet end 1; the wire inlet end 1 is connected with one end of the current transformer 2.
In practical application, the special solid-sealed pole circuit breaker for wind power further comprises: the system comprises a wire outlet end 8, a lightning arrester 9 and a grounding switch 10; one end of the wire outlet end 8 is connected with one end of the sensor 7; the other end of the wire outlet end 8 is connected with one end of the lightning rod 9; the other end of the lightning rod 9 is installed on the frame 16 and is connected with one end of the grounding switch 10; the other end of the grounding switch 10 is grounded. The outlet end 8 and the lightning arrester 9 are both positioned on the left side of the frame 16; the lightning arrester 9 is positioned below the sensor 7; the earthing switch 10 is located under the frame 16.
In practical application, the special solid-sealed pole circuit breaker for wind power further comprises: a second copper bar 11; the second copper bar 11 is installed at one end of the current transformer 2, and the second copper bar 11 is connected with the incoming line end 1. The grounding switch 10 is connected with the second copper bar 11 in a closing state.
Special solid utmost point post circuit breaker that seals of wind-powered electricity generation is when using, the high pressure side power in a return circuit is behind the transformer through the outside, and the electric current is got into by inlet wire end 1, and whether 2 detections through current transformer are normal electric current, if detect and will convey corresponding external current protection device to protect unusually, if normally will flow in through first copper bar 3 and seal utmost point post 4 admittedly, seal its vacuum interrupter of utmost point post 4 accessible and realize breaking of short-circuit current to protective current (seal utmost point post 4 admittedly and only be an executive device, unable check out test set's operational aspect). Under normal conditions, the electric current flows out from the left end and passes through the isolating switch 5 after the solid-sealed polar pole 4, after the isolating switch 5 can pass through manually or receive an external signal, the isolating knife 18 of the isolating switch 5 rotates anticlockwise to generate obvious disconnection with the solid-sealed polar pole 4, and the effect of disconnecting the whole loop is achieved.
After the current flows through the disconnector 5 and through the sensor 7, the sensor 7 will detect whether the current is connected to ground via the frame 16, thereby protecting the circuit breaker device, and then out through the outlet 8. When the lightning arrester 9 is normally energized, almost no current flows through the lightning arrester 9 because the lightning arrester 9 has an extremely high resistance value. When the voltage is too large, the resistance of the lightning arrester 9 is sharply reduced, so that the current is grounded, and the protection effect is achieved. If normal, current will flow out of the outlet terminal 8 to the cable. The grounding switch 10 is used for connecting the grounding switch 10 with the second copper bar 11 after the grounding switch 10 is manually closed, so that current is conducted to the ground, and safety during overhauling and maintenance is achieved. After closing, the current passes through the sensor 7 and the current transformer 2 in the above manner, and the sensor and the current transformer detect whether the data are normal or not, and if the data are not normal, the on-off operation is performed.
The spring operating mechanism 12 is used for performing one-step operation under the five-prevention interlocking safety operation required by China to control the on/off of the circuit breaker, the on/off of the isolating switch or the on/off of the grounding switch (which can be manually operated). And the circuit breaker can be operated to be opened or closed through external electric control.
The utility model discloses a seal utmost point post design admittedly, and seal utmost point post 4 admittedly and possess extremely high insulator spindle ability. The surface insulation is changed into volume insulation, compared with air insulation, the air insulation structure reduces the influence of the environment and greatly improves the insulation strength. And the adopted solid-sealed polar pole 4 is in a modular design, and has the advantages of simple structure, few detachable parts and high reliability. Therefore, the size of the circuit breaker can be reduced, the miniaturization of the switch cabinet is facilitated, the cost of the switch cabinet is reduced, and the occupied area is effectively reduced. Compare in that the design that exposes vacuum interrupter's insulating casing in the air completely before that, the utility model discloses the pole column type assembly is sealed admittedly that the circuit breaker adopted can not worry the humidity pollution scheduling problem of external dust completely, does not need any processing, seals admittedly that utmost point post 4 just can reach very big insulating properties, needn't increase vacuum interrupter's length in order to reduce the pollution moreover, consequently required space reduces greatly, and its integrated design more enables the performance of circuit breaker and obtains more stable assurance. Under the protection of the embedded pole 4, all external factors are reduced to the minimum, and the working efficiency and the service life of the vacuum arc-extinguishing chamber are remarkably improved.
What wind-powered electricity generation special use seals utmost point post circuit breaker admittedly adopted is current transformer and circuit breaker integrated configuration, need not just change after the use like traditional fuse, therefore the cost is lower. And the utility model discloses a current transformer carries out the detection protection of circuit breaker, adopts the circuit breaker to cut off, and the break current is bigger, can satisfy the big break current demand of the wind power equipment on the existing market.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. The utility model provides a special solid utmost point post circuit breaker that seals of wind-powered electricity generation which characterized in that, the special solid utmost point post circuit breaker that seals of wind-powered electricity generation includes: the device comprises a frame, a spring operating mechanism, a main shaft, a first insulating pull rod, a solid-sealed polar pole, a first copper bar, a current transformer, an isolating switch, a sensor and a second insulating pull rod, wherein the spring operating mechanism, the main shaft, the first insulating pull rod, the solid-sealed polar pole, the first copper bar, the current transformer, the isolating switch, the sensor and;
the spring operating mechanism is arranged right in front of the frame; one end of the main shaft is arranged above the spring operating mechanism, and the other end of the main shaft is arranged above the rear supporting plate of the frame; one end of the first insulating pull rod is connected with a crank arm welded on the main shaft, and the other end of the first insulating pull rod is connected with one end of the solid-sealed polar pole; the first insulating pull rod is positioned on the right side of the frame; the embedded pole penetrates through the left side and the right side of the frame; one end of the solid-sealed polar pole is also connected with one end of the first copper bar; the other end of the first copper bar is connected with one end of the current transformer; the other end of the current transformer is arranged on the frame; the current transformer and the first copper bar are both positioned on the right side of the frame, and the current transformer is positioned below the embedded pole;
the isolating switch comprises an isolating switch main shaft and an isolating knife; the isolating switch main shaft is positioned on the right side of the frame and is positioned between the current transformer and the embedded pole; the other end of the solid-sealed polar pole is in contact with one end of the isolation knife; the other end of the isolation knife is movably connected with one end of the sensor; the other end of the sensor is arranged on the frame; one end of the second insulating pull rod is connected to the middle part of the isolating knife, and the other end of the second insulating pull rod is connected with the isolating switch main shaft; the isolation knife, the second insulation pull rod and the sensor are all positioned on the left side of the frame; the second insulating pull rod is positioned below the solid-sealed polar pole; the sensor is located below the second insulating pull rod.
2. The special wind power solid-sealed pole circuit breaker according to claim 1, further comprising: a wire inlet end; the wire inlet end is connected with one end of the current transformer.
3. The special wind power solid-sealed pole circuit breaker according to claim 2, further comprising: the system comprises a wire outlet end, a lightning arrester and a grounding switch; one end of the wire outlet end is connected with one end of the sensor; the other end of the wire outlet end is connected with one end of the lightning arrester; the other end of the lightning arrester is arranged on the frame and is connected with one end of the grounding switch; the other end of the grounding switch is grounded.
4. The wind power special-purpose embedded pole circuit breaker according to claim 3, wherein the outlet end and the lightning arrester are both located on the left side of the frame; the lightning arrester is positioned below the sensor; the grounding switch is located below the frame.
5. The special wind-power solid-sealed pole circuit breaker according to claim 3, further comprising: a second copper bar; the second copper bar is installed at one end of the current transformer, and the second copper bar is connected with the wire inlet end.
6. The special wind power embedded pole circuit breaker as claimed in claim 5, wherein the grounding switch is connected with the second copper bar in a closing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020351626.8U CN212303529U (en) | 2020-03-19 | 2020-03-19 | Special solid-sealed pole circuit breaker for wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020351626.8U CN212303529U (en) | 2020-03-19 | 2020-03-19 | Special solid-sealed pole circuit breaker for wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303529U true CN212303529U (en) | 2021-01-05 |
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ID=73960692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020351626.8U Active CN212303529U (en) | 2020-03-19 | 2020-03-19 | Special solid-sealed pole circuit breaker for wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303529U (en) |
-
2020
- 2020-03-19 CN CN202020351626.8U patent/CN212303529U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of fixed pole circuit breaker for wind power Effective date of registration: 20221228 Granted publication date: 20210105 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: SICHUAN BAOGUANG ELECTRICAL APPLIANCE EQUIPMENT CO.,LTD. Registration number: Y2022980028679 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210105 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: SICHUAN BAOGUANG ELECTRICAL APPLIANCE EQUIPMENT CO.,LTD. Registration number: Y2022980028679 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |