CN2438217Y - Outdoor resin type outdoor dry high voltage vacuum circuit breaker - Google Patents
Outdoor resin type outdoor dry high voltage vacuum circuit breaker Download PDFInfo
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- CN2438217Y CN2438217Y CN 00238586 CN00238586U CN2438217Y CN 2438217 Y CN2438217 Y CN 2438217Y CN 00238586 CN00238586 CN 00238586 CN 00238586 U CN00238586 U CN 00238586U CN 2438217 Y CN2438217 Y CN 2438217Y
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- vacuum breaker
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Abstract
The utility model discloses an outdoor resin type outdoor dry high voltage vacuum circuit breaker, three insulators, a driving mechanism connected with an insulating drawing rod of an arc-extinguishing chamber and a end installing plate are arranged on a box body. A secondary wire is leaded out from the bottom of an insulating supporting seat and is connected with an end. one end the insulating supporting seat of the arc extinguish chamber, which is made of outdoor resin, is provided with a wire inlet post and a damping device which are connected with a vacuum tube, wherein, the vacuum tube and the insulating drawing rod are connected with the conductive clip through the conductive rod; an outlet plate is in flexible connection with the conductive clip. The utility model has the advantages that the structure is simple, middle contact and the driving sections can be reduced, and the quality of power supply can be increased.
Description
The utility model relates to a kind of high-pressure vacuum breaker, especially a kind of outdoor dry type high-pressure vacuum breaker that adopts outdoor resin fully.
At present, the primary structure of outdoor high-voltage vacuum breaker is to be provided with six insulators on the iron casing, as the arrangement of turnover line, is provided with vacuum switch tube and is flexible coupling in the iron casing, during work electric current by the inlet wire insulator to vacuum switch tube, by being flexible coupling to the outlet insulator; In addition, being provided with an insulated tension pole in the moved end of switching tube links to each other with transmission mechanism.
In order to solve the anti-aging and suction problem that insulating material uses out of doors, the material selection of the arc control device insulated leg of outdoor high-voltage vacuum breaker is three kinds usually: ceramic material, indoor insulating material and composite material.First kind, ceramic material is because characteristic itself, makes that the volume of product is big, Heavy Weight, moulding be single, and is simultaneously, because the fragility of pottery is big, frangible and break in the transportation and the process of installing; Second kind, with indoor insulating material directly with out of doors, though but reduced volume, weight reduction, but the anti-ultraviolet aging problem of material can not get solving, after use a period of time, and the intensity decreases of material, insulation property reduce, and water absorption increases, and have influenced the performance and the useful life of product; The third, what adopt composite material is the material that the outer surface of insulating material indoors adds one deck anti-ultraviolet aging, as silicon rubber, but because the affinity of two kinds of materials is bad, form the interface easily at storeroom, can reduce the insulation property of product after the water inlet of interface, easily cause the electric insulation accident.
Present high-pressure vacuum breaker, owing to be subjected to the restriction of material, product-forming is single, complex structure, volume are big, the intermediate link of product is more, brings hidden danger to accident; It is bigger that conducting position increases contact resistance, heating is serious, the sealing of adding casing is bad, make the interior insulation property of casing reduce, accident frequently takes place, and power supply quality can not get reliable assurance, also want outer distribution current transformer in use, bring certain degree of difficulty for the installation on the On-line Product road, the increase that has also brought product cost has simultaneously influenced promoting the use of of product.
The purpose of this utility model provides a kind of complete outdoor resin type outdoor dry type high-pressure vacuum breaker, it is simple in structure, can reduce middle contact and transmission link, has fundamentally eliminated the hidden danger of accident, improve the Performance And Reliability of product, guarantee the raising of power supply quality.
The purpose of this utility model is achieved in that a kind of complete outdoor resin type outdoor dry type high-pressure vacuum breaker, comprise arc control device, casing and transmission mechanism, the casing top is provided with three insulators of protrusion, casing is provided with the transmission mechanism that links to each other with the arc control device insulated tension pole, and bottom half is provided with the terminal mounting panel; Secondary line is drawn from the insulated leg bottom end face, links on the terminal of terminal mounting panel; Arc control device insulated leg one end that adopts complete outdoor resin to make is provided with the inlet wire bar, the inlet wire bar links to each other with vacuum tube, upper end at vacuum tube is provided with buffer unit, links to each other with conductive clip by conducting rod between vacuum tube and the insulated tension pole, links to each other by being flexible coupling between outlet board and conductive clip.
Transmission mechanism comprises twin coil formula permanent magnet mechanism, rotating shaft assembling, main stage clip and mechanism's installing rack, and twin coil formula permanent magnet mechanism below links to each other with the rotating shaft assembling that insulated tension pole is moved up and down, main stage clip, and the top is fixed by mechanism's installing rack.
The twin coil permanent magnet mechanism comprises switching winding, closing coil, iron core and permanent magnet, is the coil urceolus between loam cake and base plate, and insulated tension pole links to each other with iron core.
Buffer unit comprises bolt, packing ring, buffer spring and inlet wire bar compacting composition, is the rainhat that forms with outdoor resin compacting on buffer unit.
Utilize the arc control device insulated leg outer surface design of mould disposal pressed moulding that the umbrella skirt construction of size interval is arranged.
Current transformer is compressed on below the interior vacuum switch tube of insulated leg.
The secondary line of outlet board and instrument transformer also is compressed in the insulated leg.
Transmission mechanism is located at box house or casing outside, and the front end face of casing is dismountable cover plate.
The utlity model has following advantage:
(1) owing to adopt complete outdoor resin to make insulated leg, utilize indoor insulating material to add the technical problem that complex method brought of silica gel before having solved.The various shapesization of product owing to adopt a kind of material, has reduced the input of production stage and equipment, has shortened the production cycle, has reduced the cost of product.
(2) insulated leg of arc control device is owing to adopt a kind of material, can one-shot forming suppress, simplified the structure of product, dwindled the volume of profile, when suppressing simultaneously current transformer is pressed in the insulator, made full use of the once benefit of investment, play reduce cost and effectively the control circuit breaker join instrument transformer outward and the external insulation accident and the too high phenomenon of generating heat of contact resistance that cause owing to connecting link brought more.In the design of insulating base upper end switching-on buffering mechanism is arranged, controlled the spring of circuit breaker effectively, guaranteed the reliability of product when power supply, design has rain-proof structure on buffer unit, can prevent effectively owing to water enters the inner insulation fault that causes of insulated leg.
(3) because transmission mechanism has adopted the permanent magnet mechanism of the twin coil of dependable performance, the more former spring mechanism of permanent-magnet structure is simple, the part number is 1/5 of a former spring mechanism, reduces the cost of product, optimizes assembly technology, improve the reliability of circuit breaker effectively, guarantee the quality of power supply, reduce the after-sale service number of times of enterprise, increase the benefit of enterprise, this product also can be joined common spring mechanism simultaneously, and versatility is good.
(4) on the assembly technology of product, can adopt module assembling, be divided into arc control device, transmission mechanism and casing ternary and organically make up, improve the quality and the efficient of assembling, its main element as; Arc control device, transmission mechanism interchangeability are strong, and the flexible and changeable demand that can adapt to market reduces the economic waste in a way that brings owing to the main element particular design, for the batch process of enterprise product is provided convenience.
Below in conjunction with concrete structure and the operation principle of accompanying drawing detailed description according to the complete outdoor resin type outdoor dry type high-pressure vacuum breaker that the utility model proposes.
Fig. 1 is a front view of the present utility model;
Fig. 2 is a sectional side view of the present utility model;
Fig. 3 is a vertical view of the present utility model;
Fig. 4 joins common spring mechanism for the utility model transmission mechanism is located at the installation diagram of casing outside;
Fig. 5 is the end view of Fig. 4;
Fig. 6 is the A-A cutaway view of Fig. 4;
Fig. 7 is the cutaway view of the utility model arc control device;
Fig. 8 is the cutaway view of the utility model twin coil permanent magnet mechanism.
Fig. 9 is the structure cutaway view of insulated leg;
Figure 10 is that the A of Fig. 9 is to view;
Figure 11 is the structure chart of spring mechanism;
Figure 12 is the end view of Figure 11.
As Fig. 1; 2; shown in 3; casing 2 is the rectangle housing; its outside top is provided with three insulators that protrude casing; i.e. three arc control device of installing side by side 1; the inside of casing 2 is provided with the transmission mechanism that links to each other with arc control device insulated tension pole 120 (as shown in Figure 7); the front/rear end of casing 2 is dismountable cover plate 26; make things convenient for Installation and Debugging and maintenance; bottom half is provided with terminal mounting panel 27; can adorn the terminal of some on the terminal mounting panel; link for circuit breaker and external power supply, and the connection by terminal can become the electric current that with the instrument transformer in the circuit breaker 123 (as shown in Figure 7) and be transported on other protective device, be circuit realization reliable protection.
Shown in Fig. 1,4, the transmission mechanism of the utility model circuit breaker can be contained in the inside of casing, also can be contained in the outside of casing 2, and two kinds of mounting meanss of mechanism have brought the product of two kinds of different profiles.
As shown in Figure 7, arc control device assembling 1 mainly comprises: inlet wire bar compacting 11, vacuum tube 112, conducting rod 116, be flexible coupling 118, conductive clip 119, insulated tension pole 120 and arc control device insulated leg 121.Arc control device insulated leg 121 tops are inlet wire bar compactings 11, link to each other with vacuum tube 112 by 4-M8 * 40 double-screw bolts, suppress 11 inside at the inlet wire bar and are provided with buffer unit.Between vacuum tube 112 lower ends and insulated tension pole 120, link to each other with conductive clip 119 by conducting rod 116, between outlet board 122 and conductive clip 119,118 link to each other by being flexible coupling, be flexible coupling 118 is to be fixed on conductive clip 119 and above the outlet board 122, so just to have formed a galvanic circle with bolt 117.Fix with nut 113, packing ring 114, bullet pad 115 between vacuum tube 112 and the conducting rod 116.Arc control device insulated leg 121 adopts complete outdoor resin; utilize the mould disposal pressed moulding; its outer surface design has the umbrella skirt construction of size interval; can prevent effectively that outer surface from insulation fault taking place when rainy; and can improve the antifouling property that product uses out of doors, not only play a supportive role but also shield.
Simultaneously, when compacting, current transformer 123 and outlet board 122 are compressed in the insulated leg 121, the secondary line of instrument transformer 123 also is compressed in the insulated leg 121, secondary outlet 124 is drawn from the bottom end face of insulated leg 121, shown in Fig. 9,10, solved the interface problem of instrument transformer 123, outlet board 122 and secondary line and insulating base 121 by disposable compacting, solved the Insulation Problems of high pressure effectively to low pressure, reasonably utilize the space, made insulated leg 121 play the function of diversification.Electric current is flexible coupling 118 to outlet board 122 formation galvanic circles to vacuum tube 112 by conducting rod 116 conductive clips 119 through the compacting 11 of inlet wire bar; primary current is through instrument transformer 123 time; coil by instrument transformer is with the secondary current that records; by lead and terminal; be transported to protective relaying device; can recognize effectively that electric current in the circuit changes and the situation of line fault, and provide reliable current signal for relaying protection.
In the inlet wire bar compacting 11 of vacuum tube upper end is buffer unit, and it is fixing vacuum switch tube both, plays the performance of control circuit breaker spring simultaneously when closing a floodgate again.Buffer unit comprises that bolt 15, packing ring 16, buffer spring 17 and inlet wire bar compacting 11 are that buffing pad is formed.4 buffer springs 17 and a buffing pad are arranged, and during work, the impulsive force during owing to breaker closing promotes buffing pad and moves upward, and makes the buffer spring compression, has absorbed energy unnecessary when closing a floodgate, and has reduced the impulsive force of the dynamic and static contact of vacuum tube, has reduced spring.It on buffer unit rainhat 14; also be to form with outdoor resin compacting; be fixed on inlet wire bar and the insulated leg by nut 12 and rubber blanket 13 and rubber blanket 18, can prevent effectively that rainwater from entering the inside of insulated leg by the top, also played the effect of protecting buffer unit simultaneously.
As shown in Figure 2, the transmission mechanism that links to each other with insulated tension pole 120 comprises twin coil formula permanent magnet mechanism 3, rotating shaft assembling 4, main stage clip 6 and mechanism's installing rack 5, twin coil formula permanent magnet mechanism 3 belows link to each other with rotating shaft assembling 4, main stage clip 6 that insulated tension pole 120 is moved up and down, and the top is fixing by mechanism's installing rack 5.The structure of twin coil formula permanent magnet mechanism 3 as shown in Figure 8, its part comprises that switching winding 36, closing coil 32, iron core 33 and permanent magnet 35 form.Be coil urceolus 34 between loam cake 31 and base plate 37, insulated tension pole 120 links to each other with iron core 33.During work, when the need separating brake, just to the switching winding energising, iron core 33 moves downward, and the moving contact that drives in the vacuum tube 112 by insulated tension pole moves downward, and the dynamic/static contact in the vacuum tube is separated, and has promptly finished sub-switching operation; When need closed a floodgate, just to the closing coil energising, iron core 33 moved upward, and made the dynamic/static contact contact in the vacuum tube, promptly finished closing operation, and this moment is because the effect of permanent magnet 35 makes circuit breaker can remain on "on" position.
In addition, as shown in Figure 4, transmission mechanism comprises connecting rod assembling 23, spindle mounted 24 and common spring mechanism 25.Arrange that in the profile of product it is mounted in the outside of circuit breaker casing, drive spindle mounted 24 by connecting rod 28 and pin 29 and rotate, shown in Fig. 4,5,6, realize the breaking-closing operating of circuit breaker again by the upper and lower motion of connecting rod assembling 23.Spring mechanism 25 is shown in Figure 11,12, and this is a prior art, seldom gives unnecessary details.
The module assembling is adopted in the assembling of product, can be divided into arc control device, mechanism driving and casing ternary and organically make up, its main element as; Vacuum interrupter, mechanism's interchangeability are strong, and the flexible and changeable demand that can adapt to market reduces the economic waste in a way that brings owing to the main element particular design, for the batch process of enterprise product is provided convenience.
Claims (8)
1, a kind of complete outdoor resin type outdoor dry type high-pressure vacuum breaker, comprise arc control device, casing and transmission mechanism, it is characterized in that: the casing top is provided with three insulators of protrusion, and casing is provided with the transmission mechanism that links to each other with the arc control device insulated tension pole, and bottom half is provided with the terminal mounting panel; Secondary line is drawn from the insulated leg bottom end face, links on the terminal of terminal mounting panel;
Arc control device insulated leg one end that adopts complete outdoor resin to make is provided with the inlet wire bar, the inlet wire bar links to each other with vacuum tube, upper end at vacuum tube is provided with buffer unit, links to each other with conductive clip by conducting rod between vacuum tube and the insulated tension pole, links to each other by being flexible coupling between outlet board and conductive clip.
2, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1, it is characterized in that: transmission mechanism comprises twin coil formula permanent magnet mechanism, rotating shaft assembling, main stage clip and mechanism's installing rack, twin coil formula permanent magnet mechanism below links to each other with the rotating shaft assembling that insulated tension pole is moved up and down, main stage clip, and the top is fixed by mechanism's installing rack.
3, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 2, it is characterized in that: the twin coil permanent magnet mechanism comprises switching winding, closing coil, iron core and permanent magnet, be the coil urceolus between loam cake and base plate, insulated tension pole links to each other with iron core.
4, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1, it is characterized in that: buffer unit comprises bolt, packing ring, buffer spring and inlet wire bar compacting composition, is the rainhat that forms with outdoor resin compacting on buffer unit.
5, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1 is characterized in that: utilize the arc control device insulated leg outer surface design of mould disposal pressed moulding that the umbrella skirt construction of size interval is arranged.
6, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1 is characterized in that: current transformer is compressed on below the interior vacuum switch tube of insulated leg.
7, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1, it is characterized in that: the secondary line of outlet board and instrument transformer also is compressed in the insulated leg.
8, complete outdoor resin type outdoor dry type high-pressure vacuum breaker as claimed in claim 1, it is characterized in that: transmission mechanism is located at box house or casing outside, and the front end face of casing is dismountable cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238586 CN2438217Y (en) | 2000-06-29 | 2000-06-29 | Outdoor resin type outdoor dry high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238586 CN2438217Y (en) | 2000-06-29 | 2000-06-29 | Outdoor resin type outdoor dry high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2438217Y true CN2438217Y (en) | 2001-07-04 |
Family
ID=33599613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00238586 Expired - Fee Related CN2438217Y (en) | 2000-06-29 | 2000-06-29 | Outdoor resin type outdoor dry high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2438217Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299839A (en) * | 2014-10-20 | 2015-01-21 | 苏州科陆东自电气有限公司 | Outdoor column upper high-voltage alternating-current vacuum circuit breaker |
| CN104347309A (en) * | 2013-08-01 | 2015-02-11 | 株式会社日立制作所 | Electromagnetic operation switchgear |
-
2000
- 2000-06-29 CN CN 00238586 patent/CN2438217Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347309A (en) * | 2013-08-01 | 2015-02-11 | 株式会社日立制作所 | Electromagnetic operation switchgear |
| CN104299839A (en) * | 2014-10-20 | 2015-01-21 | 苏州科陆东自电气有限公司 | Outdoor column upper high-voltage alternating-current vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |