CN201311873Y - Outdoor vacuum breaker casing - Google Patents
Outdoor vacuum breaker casing Download PDFInfo
- Publication number
- CN201311873Y CN201311873Y CNU2008201358201U CN200820135820U CN201311873Y CN 201311873 Y CN201311873 Y CN 201311873Y CN U2008201358201 U CNU2008201358201 U CN U2008201358201U CN 200820135820 U CN200820135820 U CN 200820135820U CN 201311873 Y CN201311873 Y CN 201311873Y
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- CN
- China
- Prior art keywords
- circuit breaker
- vacuum circuit
- cover plate
- outdoor vacuum
- breaker housing
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an outdoor vacuum breaker casing comprising a box body (1) and a box cover plate (2) which is positioned on the box body (1). An installation seat with a reinforced shape is formed on the box cover plate (2), and the installation seat is used for installing a sleeve (3); and the installation seat is provided with a middle hole (4). The utility model has simple structure, high precision, good safety performance and good sealing performance.
Description
Technical field
The utility model relates to a kind of high voltage switching device housing, relates in particular to a kind of outdoor vacuum circuit breaker housing.
Background technology
A kind of outdoor vacuum circuit breaker housing is arranged in the market, by casing be positioned at the cover plate of making by common steel or stainless steel on the casing and form, cover plate top is made up of three parts, the centre is a horizontal plane, the both sides of horizontal plane are the inclined plane, two inclined planes are symmetrically distributed about the axis shaft of by-level face, and each part on cover plate top is welded two flanges that are used for mounting sleeve with mesopore respectively, six flange array distribution on the cover plate.Each flange mesopore position and enclosure interior connect on the cover plate, when sleeve pipe is installed on the flange, cannula tip taps into out cable, and the conductive component that links to each other with the turnover cable that is positioned at inside pipe casing passes the flange mesopore link corresponding with enclosure interior and docks exactly.Be positioned on the cover plate two sleeve pipes on the same plane respectively by a phase inlet wire and an outlet mutually.Angle on the adjacent plane between adjacent two sleeve pipes is alternate angle, and the distance between the cannula tip terminals is the phase insulation distance.After sleeve pipe was installed on the cover plate by flange, alternate corner dimension had determined the size of phase insulation distance, very easily caused short circuit if above-mentioned phase insulation distance is too small, and security incident takes place.
In addition, it is closing rebound that outdoor vacuum circuit breaker has an important performance parameter, so-called closing rebound is meant that circuit breaker contact when closing a floodgate rigidly connected in the time of touching till the stable contact of contact moment, because the acting in conjunction of magnetic field and electric field, after making that the collision of moving contact of breaker and fixed contact contacts, the phenomenon of being pushed open by reaction force again.This phenomenon will take place several times in making process usually, and severe patient will be repeatedly 4～5 times, continues 2～6 milliseconds.The topmost harm of outdoor vacuum circuit breaker closing rebound has been to quicken the abrasion of vacuum arc-extinguishing chamber contact, thereby causes the shortening of vacuum interrupter electric life.The factor that influences closing rebound has a lot, and the rigidity of outdoor AC vacuum circuit breaker housing, tough implementations are wherein just arranged.
The problem that the prior art exists is: first, owing to adopt the mode that is welded to connect between flange of the prior art and the cover plate, and a problem that is welded to connect is because in the cold and hot process jumpy, the plane at flange place produces big welding deformation, thereby cause and be installed on the flange the alternate angle of sleeve pipe and can not be controlled effectively, and then influence the phase insulation distance, make the phase insulation distance might not reach designing requirement, the conductive component that also influences simultaneously in the sleeve pipe docks with inner the accurate of corresponding component of Shell of circuit breaker.The second, make in the welding process that the original structure of metal parts is destroyed, can cause the reduction of casing rigidity, strengthened the closing rebound of vacuum circuit-breaker thus, shortened the electric life of vacuum interrupter.The 3rd, inconsistent with the cover plate material because flange is a steel-casting, when flange and cover plate welding, weld seam compactness is not high, and easily seeping water in the commissure, causes the circuit breaker internal short-circuit.The 4th, because housing seal, moisture such as the moisture in the housing, condensation can accumulate in bottom half, and the time has been grown and can form ponding, causes the circuit breaker internal short-circuit.The 5th, because there is the gap flange and cover plate contact site, during general steel case lid acid washing phosphorization, the easy residual acid solution in this gap perishable generation rusty stain when using out of doors after coating with lacquer; When polishing was carried out on stainless steel case lid surface, residues such as dust, buffing wax and easy-clear were not easily gathered in this gap, have a strong impact on outward appearance.
The utility model content
For this reason, the utility model solves the prior art constructions complexity, and the technical problem that machining accuracy is difficult to guarantee proposes a kind of simple in structure, precision is high, security performance is good outdoor vacuum circuit breaker housing.
The technical problem that the utility model further solves is to improve the sealing property of described outdoor vacuum circuit breaker housing.
For solving the problems of the technologies described above, outdoor vacuum circuit breaker housing of the present utility model, comprise casing and the cover plate that is positioned on the described casing, by described cover plate is processed, on described cover plate, form the mount pad of strengthening shape that has that is used for mounting sleeve integratedly, on described mount pad, form mesopore.In the utility model, term " integratedly " is meant not by any additional mode, directly processes corresponding parts or shape on body.
The reinforcement of described mount pad is shaped as one, and described mesopore is positioned on the described upper surface of described boss from the outwards outstanding boss with upper surface of the respective face of described cover plate, and described boss is provided with the fixed structure of fixing described mounting sleeve.
Described fixed structure is to be molded over the installing hole that the bolt with on being configured in described mounting sleeve on the described upper surface of described boss matches; Described installing hole has the internal thread that cooperates with described bolt, or described installing hole is a unthreaded hole that passes for described bolt, and described bolt is cooperated with corresponding nut.
Described nut is fixed on the then interior of described installing hole, and the screw of described nut is the blind hole of sealing at the end away from described installing hole.
Be provided with groove around the described mesopore, in described groove, be provided with the sealing ring that between the upper surface of described mounting sleeve lower surface and the described cover plate that centers on described mesopore, seals.
The upper surface of described boss is rectangular or circular.
Comprise downward-sloping in both sides two inclined planes and the mid-plane between two described inclined planes above the described cover plate, two described mount pads distribute respectively on described two inclined planes and the described mid-plane.
Two described inclined planes are arranged in the both sides of described mid-plane symmetrically.
Described mid-plane is with respect to the neighboring edge on two the described inclined planes certain distance that sinks in housing.
Described bottom half is provided with perforate.
Technique scheme of the present utility model has the following advantages compared to existing technology: first, the precision height, direct stretched boss can not make the surface of case lid produce distortion on cover plate, thereby can guarantee that the alternate angle error of the sleeve pipe of installing on the boss is very little, thereby make that the phase insulation range error is also very little, the phase insulation distance is adhered to specification, the conductive component in the sleeve pipe is docked with inner the accurate of corresponding component of Shell of circuit breaker.The second, security performance is good, and whole cover plate adopts one to stretch and forms, and the intensity of cover plate is big, can effectively reduce the closing rebound of vacuum circuit-breaker, prolongs the electric life of vacuum interrupter.The 3rd, because boss and cover plate are one, there is not the slit in good airproof performance on the cover plate, can not seep water to enclosure interior.The 4th, because bottom half is provided with the perforate that is used for draining, make the vacuum circuit-breaker inside can ponding, ensure the vacuum circuit-breaker safe operation.The 5th, simple in structure because boss and cover plate are one, processing easily, cost is low, and when cover plate is carried out surface treatment, does not have the dead angle on the cover plate, also can not accumulate residue, keeps good looking appearance.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the phantom of outdoor vacuum circuit breaker housing of the present utility model;
Fig. 2 is the vertical view of cover plate of the present utility model;
Fig. 3 is the partial enlarged drawing on the outdoor vacuum circuit breaker casing box cover plate shown in Figure 1;
Fig. 4 the utility model is installed the structural representation behind the mounting sleeve;
Fig. 5 is the sectional block diagram of another embodiment of outdoor vacuum circuit breaker housing mount pad part of the present utility model;
Fig. 6 is the phantom of a most preferred embodiment of outdoor vacuum circuit breaker housing of the present utility model.
Reference numeral is expressed as among the figure: 1-casing, 2-cover plate, 3-mounting sleeve, 4-mesopore, 5-inclined plane, 6-mid-plane, 7-boss, 8-upper surface, 9-bolt, 10-installing hole, 11-nut, the radial short groove of 12-, 13-circular surface, 14-annular groove, 15-sealing ring.
Embodiment
Referring to Fig. 1, outdoor vacuum circuit breaker housing of the present utility model comprises casing 1 and the cover plate 2 that is positioned on the described casing 1.On described cover plate 2, form the mount pad that is used for mounting sleeve 3 with mesopore 4.Comprise downward-sloping in both sides two inclined planes 5 and the mid-plane 6 between two described inclined planes 5 above the described cover plate 2.Two described inclined planes 5 are arranged in the both sides of described mid-plane 6 symmetrically, and described inclined plane 5 is 10 ° ± 0.5 ° with the angle of described mid-plane 6.Described mid-plane 6 makes the top of the described mounting sleeve of installing on each described mount pad 3 all be in sustained height with respect to the neighboring edge on two described inclined planes 5 certain distance that sinks in housing.Referring to Fig. 2, two the described mount pads that distribute respectively on described two inclined planes 5 and the described mid-plane 6, six described mount pads become array distribution on described cover plate 2 on.As seen from Figure 3, the described mount pad that is used for mounting sleeve 3 is by described cover plate 2 being provided with the position calendering formation of described mount pad, formation is as a boss 7 of the reinforcement shape of described mount pad, described boss 7 is outwards outstanding from the respective face of described cover plate 2, and has a square upper surface 8.Described mesopore 4 is positioned in the middle of the described upper surface 8 of described boss 7.The fixed structure that is used for fixing described mounting sleeve 3 that is provided with on the described boss 7, the installing hole 10 that matches for the bolt 9 on the described upper surface 8 that is molded over described boss 7 with on being configured in described mounting sleeve 3.Described installing hole 10 is a unthreaded hole that supplies described bolt 9 to pass, and making described bolt 9 pass described installing hole 10 can cooperate with corresponding nut 11, so that described mounting sleeve 3 is fixed on the described mount pad.Described nut 11 is adhesively fixed on the then interior of described installing hole 10 by metal-to-metal adhesive, the periphery of described installing hole 10 is connected hermetically with the link of described nut 11, and the screw of described nut 11 is the blind hole of sealing at the end away from described installing hole 10, prevents that with such structure rainwater from entering in the described outdoor vacuum circuit breaker housing from described mesopore 4.
Fig. 4 installs structural representation behind the vacuum sleeve for present embodiment, shows the version of application state of the outdoor vacuum circuit breaker housing of present embodiment.
Present embodiment is owing to the described boss 7 as mount pad is integrated on described cover plate 2, the welded flange mode that the prior art employing can not occur makes the situation of the top generation distortion of described cover plate 2, therefore described inclined plane 5 is very little with the angle error of described mid-plane 6, the alternate angle error that is vertically mounted on described mounting sleeve 3 formation on the described boss 7 is also very little, thereby the phase insulation distance that has guaranteed designing requirement is constant substantially, has satisfied the needs of the safe operation of circuit.Simultaneously, because described cover plate 2 top produces distortion, the conductive components in the described mounting sleeve 3 pass described mesopore 4 on the described boss 7 and enter enclosure interior and can dock exactly with corresponding components.In addition, because described boss 7 and described cover plate 2 are formed in one, the intensity of described cover plate 2 is big, can reduce the closing rebound of circuit breaker effectively, prolong the electric life of vacuum interrupter.And described boss 7 and described cover plate 2 are structure as a whole, and the top slit that do not exist of described cover plate 2 can not seeped water good seal performance to enclosure interior.
Referring to Fig. 5, be another embodiment of outdoor vacuum circuit breaker housing of the present utility model, comprise casing 1 and the cover plate 2 that is positioned on the described casing 1.On described cover plate 2, form the mount pad that is used for mounting sleeve 3 integratedly with mesopore 4.By described cover plate 2 being provided with the position calendering formation of described mount pad, formation has a circular surface 13 as one group of radial short groove 12 around described mesopore 4 of the reinforcement shape of described mount pad between described mesopore 4 and described radial short groove 12.Described mesopore 4 is positioned in the middle of the described circular surface 13.The fixed structure that is used for fixing described mounting sleeve 3 that is provided with on the described circular surface 13, the installing hole 10 that matches for the bolt 9 that is molded on the described circular surface 13 with on being configured in described mounting sleeve 3.Described installing hole 10 has the internal thread that cooperates with described bolt 9.In the present embodiment, be provided with annular groove 14 around the described mesopore 4 of described circular surface 13, described annular groove 14 is in order to place sealing ring 15.Like this, be in described mounting sleeve 3 lower surfaces and the sealing ring 15 between the described circular surface 13 of described mesopore 4, in the process that described bolt 9 is tightened, the lower end of described mounting sleeve 3 is towards the extruding of described annular groove 14, described sealing ring 15 is played the sealing around the described mesopore 4, prevent that rainwater from entering in the described outdoor vacuum circuit breaker housing from described mesopore 4.
Obviously, in the embodiment shown in fig. 5, described radial short groove 12 also can replace with radial short projection.
As a kind of alternative form, the nut 11 during Fig. 1 is extremely embodiment illustrated in fig. 4 can replace with revocable nut 11 with screw.This moment is for the sealing of described installing hole 10, also can adopt around described mesopore 4, to be provided with in order to placing the annular groove 14 of sealing ring 15, and the form of sealing ring 15 is set between the described upper surface 8 of described mounting sleeve 3 lower surfaces and the described boss 7 that centers on described mesopore 4.
In a most preferred embodiment, Fig. 1 is provided with the annular groove 14 that further forms in order to placement sealing ring 15 around described mesopore embodiment illustrated in fig. 44, and sealing ring 15 is set in described mounting sleeve 3 lower surfaces and between the described upper surface 8 of the described boss 7 of described mesopore 4, improve sealing property.Its structure is seen Fig. 6.
Obviously, for anti-sealing infiltrates Shell of circuit breaker inside from the described mounting sleeve 3 and the junction of described boss 7, can also place resilient rubbber cushion as seal member between described mounting sleeve 3 and the described boss 7.
Certainly, above-mentioned multi-form hermetically-sealed construction can be used in combination as required, thereby obtains better sealing effectiveness under the particular demands.
Among above-mentioned each embodiment, further be provided with the perforate (not shown), can make moisture such as the moisture of circuit breaker inside or condensation in time discharge circuit breaker inside like this, thereby ensure the breaker safe operation in described casing 1 bottom.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (10)
1. outdoor vacuum circuit breaker housing, comprise casing (1) and be positioned at cover plate (2) on the described casing (1), it is characterized in that: on described cover plate (2), form the mount pad of strengthening shape that has that is used for mounting sleeve (3) integratedly, on described mount pad, form mesopore (4).
2. outdoor vacuum circuit breaker housing according to claim 1, it is characterized in that: the reinforcement of described mount pad is shaped as one from the outwards outstanding boss with upper surface (8) (7) of the respective face of described cover plate (2), described mesopore (4) is positioned on the described upper surface (8) of described boss (7), and described boss (7) is provided with the fixed structure of fixing described mounting sleeve (3).
3. outdoor vacuum circuit breaker housing according to claim 2 is characterized in that: the installing hole (10) that described fixed structure matches for the bolt (9) with on being configured in described mounting sleeve (3) on the described upper surface (8) that is molded over described boss (7); Described installing hole (10) has the internal thread that cooperates with described bolt (9), or described installing hole (10) is one for the unthreaded hole that passes of described bolt (9), and described bolt (9) is cooperated with corresponding nut (11).
4. outdoor vacuum circuit breaker housing according to claim 3 is characterized in that: described nut (11) is fixed on the then interior of described installing hole (10), and the screw of described nut (11) is the blind hole of sealing at the end away from described installing hole (10).
5. outdoor vacuum circuit breaker housing according to claim 1, it is characterized in that: described mesopore (4) on every side be provided with annular groove (14), in described annular groove (14), be provided with the sealing ring (15) that seals in described mounting sleeve (3) lower surface and between above the described cover plate (2) of described mesopore (4).
6. outdoor vacuum circuit breaker housing according to claim 2 is characterized in that: the described upper surface (8) of described boss (7) is rectangular or circular.
7. according to arbitrary described outdoor vacuum circuit breaker housing among the claim 1-6, it is characterized in that: comprise above the cover plate (2) being positioned at downward-sloping two inclined planes (5), both sides and being positioned at mid-plane (6) between two described inclined planes (5) that two described mount pads distribute respectively on described two inclined planes (5) and the described mid-plane (6).
8. outdoor vacuum circuit breaker housing according to claim 7 is characterized in that: two described inclined planes (5) are arranged in the both sides of described mid-plane (6) symmetrically.
9. outdoor vacuum circuit breaker housing according to claim 8 is characterized in that: described mid-plane (6) is with respect to the neighboring edge on two described inclined planes (5) certain distance that sinks in housing.
10. according to arbitrary described outdoor vacuum circuit breaker housing among the claim 1-6, it is characterized in that: described casing (1) bottom is provided with perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201358201U CN201311873Y (en) | 2008-10-08 | 2008-10-08 | Outdoor vacuum breaker casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201358201U CN201311873Y (en) | 2008-10-08 | 2008-10-08 | Outdoor vacuum breaker casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311873Y true CN201311873Y (en) | 2009-09-16 |
Family
ID=41109130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201358201U Expired - Lifetime CN201311873Y (en) | 2008-10-08 | 2008-10-08 | Outdoor vacuum breaker casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311873Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979779A (en) * | 2019-03-22 | 2019-07-05 | 宏秀电气有限公司 | The cannula structure and outdoor high voltage circuit breaker of outdoor high voltage circuit breaker |
| CN110509528A (en) * | 2019-09-20 | 2019-11-29 | 海门市大茂晟新材料科技有限公司 | Mounting structure, the luggage of a kind of production method of luggage shell, roller for luggage |
| CN111863510A (en) * | 2020-07-14 | 2020-10-30 | 徐连军 | High-voltage circuit breaker |
-
2008
- 2008-10-08 CN CNU2008201358201U patent/CN201311873Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979779A (en) * | 2019-03-22 | 2019-07-05 | 宏秀电气有限公司 | The cannula structure and outdoor high voltage circuit breaker of outdoor high voltage circuit breaker |
| CN110509528A (en) * | 2019-09-20 | 2019-11-29 | 海门市大茂晟新材料科技有限公司 | Mounting structure, the luggage of a kind of production method of luggage shell, roller for luggage |
| CN111863510A (en) * | 2020-07-14 | 2020-10-30 | 徐连军 | High-voltage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
|
| CX01 | Expiry of patent term |