CN201601388U - Open-type combined electric appliance for power system - Google Patents
Open-type combined electric appliance for power system Download PDFInfo
- Publication number
- CN201601388U CN201601388U CN2009203173469U CN200920317346U CN201601388U CN 201601388 U CN201601388 U CN 201601388U CN 2009203173469 U CN2009203173469 U CN 2009203173469U CN 200920317346 U CN200920317346 U CN 200920317346U CN 201601388 U CN201601388 U CN 201601388U
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- power system
- fixed
- section steel
- instrument transformer
- electric power
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Abstract
The utility model discloses an open-type combined electric appliance for a power system, which comprises a dynamic side component and a static side component which are oppositely arranged. The dynamic side component includes an insulation switch main blade, a supporting post insulator, an operation insulator, a dynamic side mounting base and a main blade operation mechanism; the insulation switch main blade is connected to the top end of the supporting post insulator; the main blade operation mechanism used for driving the insulation switch main blade to rotate is positioned at the bottom end of the operation insulator and fixed onto a framework; the static side component includes a static contact fitting assembly, a photoelectric mutual inductor and a static side mounting base; the photoelectric mutual inductor is fixed onto the static side mounting base; and the static contact fitting assembly is fixed to the top end of the photoelectric mutual inductor. The open-type combined electric appliance for the power system has simple and compact structure, saved cost, high insulation performance, fine transient response and stability, large transient response range, high measuring accuracy, and adaptability to the requirements of power measurement, protection digitization, microcomputerization and automation development.
Description
Technical field
The utility model is mainly concerned with field of power, refers in particular to the open combined electri cappliance of a kind of isolating switch and photoelectric type electric current, voltage transformer combination.
Background technology
Along with power system development, the continuous increase of generating and power transmission and transformation capacity, in order to improve the automaticity of electric power system, reduce the floor space and the space of transformer station, the current transformer of design must satisfy the requirement of " digitlization, fiberize, intellectuality, integrated " now." digitlization " is meant and will eliminates the pointer reading dial of traditional analog signal as far as possible, and adopt digital instrument, the human error that causes because of reading in reducing to measure." fiberize " is meant in measuring system, advocates the use of optical fiber energetically, reduce the influence of electromagnetic field to measurement result." intellectuality " is meant and strengthens microcomputer and the utilization of network in electric measurement, give the certain oneself of instrument transformer and judge and recognition capability, and this mainly is to do some to improve and the optimization on software on the circuit of periphery." integrated " is meant multiphase current instrument transformer, voltage transformer is made to complete equipment or is combined into combined electrical apparatus with isolating switch, circuit breaker etc. again, can save great amount of manpower and material resources like this.
Can predict at power system development trend, in the near future, the electric power system of will progressively fading out of traditional current transformer, the open combined electri cappliance of isolating switch and photoelectric type electric current, voltage transformer combination will become the leading products in market with its good performance.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem that prior art exists, the utility model provides a kind of simple and compact for structure, cost savings, insulation property height, transient response and good stability, the transient response scope is big, certainty of measurement is high, adapt to the open combined electri cappliance that is used for electric power system of electric-power metering and protection digitlization, microcomputerization and automation development requirement.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of open combined electri cappliance that is used for electric power system, it is characterized in that: comprise the moving side assembly and the quiet side assembly that are oppositely arranged, described moving side assembly comprises the isolated switch main plug-in strip, post insulator, the operation insulator, moving side mounting seat and operator operating mechanism, described isolated switch main plug-in strip is connected in the top of post insulator, being used for driving operator operating mechanism that the isolated switch main plug-in strip rotates is positioned at the bottom of operation insulator and is fixed on the framework, described quiet side assembly comprises the fixed contact assembly, photoelectric type instrument transformer and quiet side mounting seat, described photoelectric type instrument transformer is fixed on the quiet side mounting seat, and described fixed contact assembly is fixed in the top of photoelectric type instrument transformer.
As further improvement of the utility model:
Described isolated switch main plug-in strip comprises conductive seat, following contact tube, transition joint and goes up contact tube, one end of described down contact tube is articulated on the conductive seat and can rotates around pin joint, and the other end of described contact tube down is hinged and can rotate around pin joint by transition joint and last contact tube.
Described contact tube down links to each other with pull bar.
Described photoelectric type instrument transformer comprises beacon, photoelectric type instrument transformer base, inlet wire tagblock, sensor head and outlet tagblock, described sensor head is fixed in the top of beacon, the bottom of described beacon is fixed on the photoelectric type instrument transformer base, and described inlet wire tagblock and outlet tagblock are installed in the both sides of sensor head.
The top of described beacon is provided with supporting bracket, and described fixed contact assembly is fixed on the supporting bracket.
Described fixed contact assembly comprises the framework of being made up of stationary contact bar, base plate and bent plate, and described bent plate links to each other with the photoelectric type instrument transformer.
Described fixed contact assembly comprises the framework of being made up of stationary contact bar, base plate and bent plate, and described bent plate links to each other with the photoelectric type instrument transformer, and described base plate links to each other with supporting bracket, and described bent plate links to each other with the inlet wire tagblock.
Described moving side mounting seat comprises left channel-section steel, right channel-section steel, first base plate, angle steel, adjustment push rod, triangle bearing pedestal, round flange and main shaft, described left channel-section steel and right channel-section steel are arranged in opposite directions, described first base plate and angle steel all are fixed on left channel-section steel and the right channel-section steel, described adjustment push rod is by being bolted on the angle steel, described triangle bearing pedestal supports by more than one adjustment push rod, described round flange is fixedlyed connected with main shaft, and described main shaft is sheathed in the triangle bearing pedestal by sliding shaft sleeve and can rotates in the triangle bearing pedestal.
Compared with prior art, advantage of the present utility model just is:
1, the utility model is combined high voltage isolator and photoelectric type electric current, voltage transformer, can reduce the floor space and the space of transformer station significantly, reduces cost effectively;
2, the utility model adopts the clamp type isolating switch, and moving side main switch cutter branch, little to the instrument transformer impulsive force of quiet side when closing a floodgate is moving, thermally-stabilised ability is strong;
3, the utility model photoelectric type instrument transformer has the incomparable advantage of traditional electromagnetic transformer, be the desirable substitute of electromagnetic current transducer, transient response and good stability, the transient response scope is big, certainty of measurement is high, adapt to electric-power metering and protection digitlization, microcomputerization and automation development trend;
4, the fixed contact base plate of isolating switch and right curved plate are separately fixed on the supporting bracket and inlet wire tagblock on instrument transformer top in the utility model, make fixed contact reliable and stable by double fixed;
5, contact feeler lever of the present utility model adopts thick red copper silver-plated, and conduction partly adopts high-strength aluminum alloy pipe and Birmasil spare, and drive disk assembly adopts the self-lubricating composite shaft sleeve, and the steel component surface adopts hot galvanizing to handle, and switch has good corrosion resistance;
6, the utility model adopts the post insulator that isostatic pressing process is made, and enough insulation, mechanical strength and rigidity are arranged, and substantially exceeds the service condition requirement of product regulation.
Description of drawings
Fig. 1 is a general assembly structural representation of the present utility model;
Fig. 2 is the structural representation of main switch cutter assembly in the utility model;
Fig. 3 is the structural representation of photoelectric type instrument transformer in the utility model;
Fig. 4 is the structural representation of fixed contact assembly in the utility model;
Fig. 5 is the main TV structure schematic diagram of moving side mounting seat in the utility model;
Fig. 6 is the plan structure schematic diagram of moving side mounting seat in the utility model;
Fig. 7 is the structural representation when the main switch cutter is in "on" position in the utility model;
Fig. 8 be among Fig. 7 A to structural representation;
Fig. 9 is the partial structurtes schematic diagram when the main switch cutter is in gate-dividing state in the utility model;
Figure 10 be among Fig. 9 K to structural representation.
Marginal data
1. operator operating mechanism; 2. framework; 3. moving side mounting seat; 4. operation insulator; 5. post insulator; 6. isolated switch main plug-in strip; 7. fixed contact assembly; 8. photo-electricity mutual-inductor; 9. quiet side mounting seat; 10. conductive seat; 12. transition joint; 14. inlet wire tagblock; 15. sensor head; 16. outlet tagblock; 17. supporting bracket; 18. beacon; 19. photoelectric type instrument transformer base; 20. stationary contact bar; 21. contiguous block; 22. base plate; 23. bent plate; 24. left channel-section steel; 25. right channel-section steel; 26. first base plate; 27. angle steel; 28. adjustment push rod; 29. triangle bearing pedestal; 30. round flange; 31. main shaft; 32. wiring base; 33. bevel gear; 34. connecting rod; 35. adjustable binding; 36. rotation seat; 37. guide roller; 38. balancing spring; 39. action bars; 40. following contact tube; 41. gear box; 42. tooth bar; 43. gear; 44. roller; 45. yoke; 46. fastening spring; 47. push rod; 48. last contact tube; 49. back-moving spring; 50. moving contact; 51. in flakes; 52. movable contact spring; 53. pull bar.
Embodiment
Below with reference to specific embodiment and Figure of description the utility model is described in further details.
As shown in Figure 1, a kind of open combined electri cappliance that is used for electric power system of the utility model, comprise the moving side assembly and the quiet side assembly that are oppositely arranged, moving side assembly comprises isolated switch main plug-in strip 6, post insulator 5, operation insulator 4, moving side mounting seat 3 and operator operating mechanism 1, isolated switch main plug-in strip 6 is connected in the top of post insulator 5, being used for driving operator operating mechanism 1 that isolated switch main plug-in strip 6 rotates is positioned at the bottom of operation insulator 4 and is fixed on the framework 2, quiet side assembly comprises fixed contact assembly 7, photoelectric type instrument transformer 8 and quiet side mounting seat 9, photoelectric type instrument transformer 8 is fixed on the quiet side mounting seat 9, and fixed contact assembly 7 is fixed in the top of photoelectric type instrument transformer 8.Post insulator 5 and operation insulator 4 all adopt the isostatic pressing process manufacturing.
As shown in Figure 2, in the present embodiment, isolated switch main plug-in strip 6 comprises conductive seat 10, following contact tube 40, transition joint 12 and goes up contact tube 48, one end of following contact tube 40 is articulated on the conductive seat 10 and can rotates around pin joint A, and the other end of following contact tube 40 is hinged and can rotate around pin joint B by transition joint 12 and last contact tube 48.Pin joint A and pin joint B all can adopt rolling fingertip or soft conductive strips to be electrically connected.Following contact tube 40 links to each other with pull bar 53, and under the driving of operator operating mechanism 1, driving down by pull bar 53, contact tube 40 rotates.
As shown in Figure 3, in the present embodiment, photoelectric type instrument transformer 8 comprises beacon 18, photoelectric type instrument transformer base 19, inlet wire tagblock 14, sensor head 15 and outlet tagblock 16, sensor head 15 is fixed in the top of beacon 18, the bottom of beacon 18 is fixed on the photoelectric type instrument transformer base 19, and inlet wire tagblock 14 and outlet tagblock 16 are installed in the both sides of sensor head 15.The direction of arrow is the direction of an inlet wire and an outlet among the figure.The top of beacon 18 is provided with supporting bracket 17, and described fixed contact assembly 7 is fixed on the supporting bracket 17.Wherein sensor head 15 inside are provided with current sensor, concatenation type inductive voltage divider, collector, photoelectric conversion unit, and beacon 18 constitutes strutting piece by epoxy cylinder, and built-in insulation optical fiber is filled insulation fat in the tube.
As shown in Figure 4, in the present embodiment, fixed contact assembly 7 comprises the framework of being made up of stationary contact bar 20, base plate 22 and bent plate 23, stationary contact bar 20 is positioned at the end near isolated switch main plug-in strip 6, stationary contact bar 20 links to each other with base plate 22 with bent plate 23 respectively by contiguous block 21, bent plate 23 links to each other with photoelectric type instrument transformer 8, and base plate 22 links to each other with supporting bracket 17, and bent plate 23 links to each other with inlet wire tagblock 14.
As shown in Figure 5 and Figure 6, in the present embodiment, moving side mounting seat 3 comprises left channel-section steel 24, right channel-section steel 25, first base plate 26, angle steel 27, adjust push rod 28, triangle bearing pedestal 29, round flange 30 and main shaft 31, left side channel-section steel 24 is arranged in opposite directions with right channel-section steel 25, first base plate 26 and angle steel 27 all are fixed on left channel-section steel 24 and the right channel-section steel 25, adjust push rod 28 by being bolted on the angle steel 27, triangle bearing pedestal 29 supports by more than one adjustment push rod 28, round flange 30 is fixedlyed connected with main shaft 31, and main shaft 31 is sheathed in the triangle bearing pedestal 29 by sliding shaft sleeve and can rotates in triangle bearing pedestal 29.Post insulator 5, operation insulator 4, beacon 18 all vertically and be arranged in parallel, post insulator 5, operation insulator 4 are individually fixed on first base plate 26 and the rotational circle flange 30.
Operation principle: referring to Fig. 7, Fig. 8, Fig. 9 and Figure 10, the motion process of isolated switch main disconnecting link 6 is to be composited by two parts, i.e. stretching motion and jaw motion.
A. stretching motion: drive operation insulator 4 by operator operating mechanism 1 and horizontally rotate, the a pair of bevel gear 33 that links to each other with operation insulator 4 drives 34 motions of adjustable double connecting rod, thereby contact tube 40 is rotated around fulcrum, and clockwise direction rotates and closes a floodgate, and counterclockwise rotates separating brake.Because adjustable binding 35 is different with the pin joint of following contact tube 40, thereby make with the hinged action bars 39 in adjustable binding 35 upper ends and do axial displacement with respect to contact tube 40 down, and the upper end of action bars 39 firmly is connected with tooth bar 42, moving of tooth bar 42 just promotes gear 43 rotations like this, closes a floodgate or the motion of withdrawal separating brake thereby the last contact tube 48 that firmly is connected with gear shaft is stretched with respect to following contact tube 40.In addition, in action bars 39 axial displacements, balancing spring 38 is by predetermined requirement energy storage or release energy, the dead-load moment of balance isolated switch main disconnecting link 6 to greatest extent, and it is light, flexible to be beneficial to 6 motions of isolated switch main disconnecting link.
B. jaw motion: isolated switch main disconnecting link 6 is moved to when soon stretching near closing position to the combined floodgate direction by the separating brake position, and roller 44 beginnings contact with inclined-plane on the gear box, and continue to move along the inclined-plane.So the push rod 47 that links to each other with roller 44 is designed to push the reaction force that rods just overcomes back-moving spring 49 and passes forward, the symmetrical expression slide block force-increasing mechanism in the movable contact headstock assembling simultaneously converts the moving movement of push rod 47 to the relative jaw motion of movable contact spring 52.After stationary contact bar 20 is clamped, roller 44 continues along moving 3～5mm on the inclined-plane, push rod 47 is compressed until closing a floodgate fully, at this moment, along with the compression of push rod 47, formerly compressed for the second time by precompressed fastening spring 46, the masterpiece of fastening spring 46 is used on the push rod 47, make push rod 47 obtain a stable thrust, thereby make 52 pairs of stationary contact bars of movable contact spring 20 keep constant compression force to clamp.When operator lock when beginning separating brake, roller 44 outwards moves along the inclined-plane, up to breaking away from the inclined-plane.At this moment, under back-moving spring 49 effect, push rod 47 drives movable contact springs 52 and opens V-shapedly, makes it successfully to break away from stationary contact bar 20 and finishes sub-switching operation.
The above only is a preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. open combined electri cappliance that is used for electric power system, it is characterized in that: comprise the moving side assembly and the quiet side assembly that are oppositely arranged, described moving side assembly comprises isolated switch main plug-in strip (6), post insulator (5), operation insulator (4), moving side mounting seat (3) and operator operating mechanism (1), described isolated switch main plug-in strip (6) is connected in the top of post insulator (5), being used for driving operator operating mechanism (1) that isolated switch main plug-in strip (6) rotates is positioned at the bottom of operation insulator (4) and is fixed on the framework (2), described quiet side assembly comprises fixed contact assembly (7), photoelectric type instrument transformer (8) and quiet side mounting seat (9), described photoelectric type instrument transformer (8) is fixed on the quiet side mounting seat (9), and described fixed contact assembly (7) is fixed in the top of photoelectric type instrument transformer (8).
2. the open combined electri cappliance that is used for electric power system according to claim 1, it is characterized in that: described isolated switch main plug-in strip (6) comprises conductive seat (10), following contact tube (40), transition joint (12) and goes up contact tube (48), one end of described down contact tube (40) is articulated in conductive seat (10) and goes up and can rotate around pin joint, and the other end of described contact tube (40) down is hinged and can rotate around pin joint by transition joint (12) and last contact tube (48).
3. the open combined electri cappliance that is used for electric power system according to claim 2 is characterized in that: described contact tube (40) down links to each other with pull bar (53).
4. according to claim 1 or the 2 or 3 described open combined electri cappliances that are used for electric power system, it is characterized in that: described photoelectric type instrument transformer (8) comprises beacon (18), photoelectric type instrument transformer base (19), inlet wire tagblock (14), sensor head (15) and outlet tagblock (16), described sensor head (15) is fixed in the top of beacon (18), the bottom of described beacon (18) is fixed on the photoelectric type instrument transformer base (19), and described inlet wire tagblock (14) and outlet tagblock (16) are installed in the both sides of sensor head (15).
5. the open combined electri cappliance that is used for electric power system according to claim 4 is characterized in that: the top of described beacon (18) is provided with supporting bracket (17), and described fixed contact assembly (7) is fixed on the supporting bracket (17).
6. according to claim 1 or the 2 or 3 described open combined electri cappliances that are used for electric power system, it is characterized in that: described fixed contact assembly (7) comprises the framework of being made up of stationary contact bar (20), base plate (22) and bent plate (23), and described bent plate (23) links to each other with photoelectric type instrument transformer (8).
7. the open combined electri cappliance that is used for electric power system according to claim 5, it is characterized in that: described fixed contact assembly (7) comprises the framework of being made up of stationary contact bar (20), base plate (22) and bent plate (23), described bent plate (23) links to each other with photoelectric type instrument transformer (8), described base plate (22) links to each other with supporting bracket (17), and described bent plate (23) links to each other with inlet wire tagblock (14).
8. according to claim 1 or the 2 or 3 described open combined electri cappliances that are used for electric power system, it is characterized in that: described moving side mounting seat (3) comprises left channel-section steel (24), right channel-section steel (25), first base plate (26), angle steel (27), adjust push rod (28), triangle bearing pedestal (29), round flange (30) and main shaft (31), described left channel-section steel (24) is arranged in opposite directions with right channel-section steel (25), described base plate (26) and angle steel (27) all are fixed on left channel-section steel (24) and the right channel-section steel (25), described adjustment push rod (28) is by being bolted on the angle steel (27), described triangle bearing pedestal (29) supports by more than one adjustment push rod (28), described round flange (30) is fixedlyed connected with main shaft (31), and described main shaft (31) is sheathed in the triangle bearing pedestal (29) by sliding shaft sleeve and can rotates in triangle bearing pedestal (29).
9. the open combined electri cappliance that is used for electric power system according to claim 4, it is characterized in that: described moving side mounting seat (3) comprises left channel-section steel (24), right channel-section steel (25), first base plate (26), angle steel (27), adjust push rod (28), triangle bearing pedestal (29), round flange (30) and main shaft (31), described left channel-section steel (24) is arranged in opposite directions with right channel-section steel (25), described first base plate (26) and angle steel (27) all are fixed on left channel-section steel (24) and the right channel-section steel (25), described adjustment push rod (28) is by being bolted on the angle steel (27), described triangle bearing pedestal (29) supports by more than one adjustment push rod (28), described round flange (30) is fixedlyed connected with main shaft (31), and described main shaft (31) is sheathed in the triangle bearing pedestal (29) by sliding shaft sleeve and can rotates in triangle bearing pedestal (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203173469U CN201601388U (en) | 2009-12-14 | 2009-12-14 | Open-type combined electric appliance for power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203173469U CN201601388U (en) | 2009-12-14 | 2009-12-14 | Open-type combined electric appliance for power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601388U true CN201601388U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203173469U Expired - Lifetime CN201601388U (en) | 2009-12-14 | 2009-12-14 | Open-type combined electric appliance for power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601388U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891437A (en) * | 2011-07-20 | 2013-01-23 | 苏州苏高智能电气有限公司 | Intelligent open combined electric appliance of isolation switch and mutual inductor |
| CN104508781A (en) * | 2012-08-02 | 2015-04-08 | 阿尔斯托姆科技有限公司 | Disconnector for high voltage |
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN108417431A (en) * | 2018-03-27 | 2018-08-17 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
-
2009
- 2009-12-14 CN CN2009203173469U patent/CN201601388U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891437A (en) * | 2011-07-20 | 2013-01-23 | 苏州苏高智能电气有限公司 | Intelligent open combined electric appliance of isolation switch and mutual inductor |
| CN104508781A (en) * | 2012-08-02 | 2015-04-08 | 阿尔斯托姆科技有限公司 | Disconnector for high voltage |
| US9941690B2 (en) | 2012-08-02 | 2018-04-10 | Alstom Technology Ltd. | Disconnector for high voltage |
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN108417431A (en) * | 2018-03-27 | 2018-08-17 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
| CN108417431B (en) * | 2018-03-27 | 2019-11-01 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
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| CX01 | Expiry of patent term |