CN204946785U - Three-station and high voltage switchgear - Google Patents
Three-station and high voltage switchgear Download PDFInfo
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- CN204946785U CN204946785U CN201520740642.5U CN201520740642U CN204946785U CN 204946785 U CN204946785 U CN 204946785U CN 201520740642 U CN201520740642 U CN 201520740642U CN 204946785 U CN204946785 U CN 204946785U
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Abstract
The utility model discloses a kind of three-station and high voltage switchgear, three-station, comprise shell, moving-conductor, quiet conductor and earthing conductor, quiet conductor and earthing conductor are fixed on shell, moving-conductor is movably arranged in shell, shell also offers inspection hole, inspection hole is provided with transparent toughened glass plate.By arranging inspection hole on shell, inspection hole is provided with transparent toughened glass plate, operating personnel can watch the position of moving-conductor by inspection hole, thus judge the operating state of three-station accurately, thus without the need to being detected by secondary circuit, the operating state of three-station can be observed intuitively by inspection hole, decrease the undue dependence to secondary circuit in assembly and adjustment process, more convenient operating personnel carry out assembly and adjustment, for Workshop Production, after-sale service and regular maintenance provide Reliable guarantee, effectively to improve the outgoing of three-station, thus improve the dependable with function of three-station.
Description
Technical field
The utility model relates to high voltage electric equipment field, particularly relates to a kind of three-station and high voltage switchgear.
Background technology
At present, high voltage switchgear is widely used in high voltage supply system, when supply line or device fails, needs to realize carrying out grounding to fault loop by high voltage switchgear, to eliminate the danger of failure system generation.Existing high voltage switchgear by underframe, the circuit breaker be arranged on underframe, three-station is on-board the circuit breaker installed and is arranged on the elements such as sleeve pipe on three-station and link together and form, three service positions of three-station are: 1, the closing position of isolated switch main fracture connection, 2, the isolated location that separates of main fracture, 3, the earthing position of ground side.The major function of three-station is: ensureing the safety of high voltage switchgear when service work, playing isolation voltage, for not producing some handover operation of powerful electric arc.Three-station generally includes shell, moving-conductor, quiet conductor and earthing conductor, and moving-conductor mobile realization in shell contacts with quiet conductor or earthing conductor, realizes the function of different station.And in actual use, the operating state of three-station needs to be monitored by secondary circuit, easy appearance cannot detect the operating state of three-station because secondary circuit breaks down, and occur that three-station divide-shut brake is not in place or make the problems such as three-station clamping stagnation because assembling error, cause three-station reliability of the prior art lower.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of three-station and high voltage switchgear, solves the defect of three-station reliability in prior art, realizes the reliability that improve three-station.
The technical scheme that the utility model provides is, a kind of three-station, comprise shell, moving-conductor, quiet conductor and earthing conductor, described quiet conductor and described earthing conductor are fixed on the housing, described moving-conductor is movably arranged in the housing, described shell also offers inspection hole, described inspection hole is provided with transparent toughened glass plate.
Further, described shell is respectively arranged with described inspection hole near the position of the free end of described quiet conductor and the free end of described earthing conductor.
Further, described inspection hole is shoulder hole structure, and described transparent toughened glass plate is resisted against on the step surface that described inspection hole formed, and described inspection hole has also been threaded annular end cap.
Further, sealing ring is respectively arranged with between the step surface of described transparent toughened glass plate and described inspection hole and described annular end cap.
Further, described shell is also connected with air gauge valve.
The utility model also provides a kind of high voltage switchgear, comprises above-mentioned three-station.
Compared with prior art, advantage of the present utility model and good effect are: the three-station that the utility model provides and high voltage switchgear, by arranging inspection hole on shell, inspection hole is provided with transparent toughened glass plate, operating personnel can watch the position of moving-conductor by inspection hole, thus judge the operating state of three-station accurately, thus without the need to being detected by secondary circuit, the operating state of three-station can be observed intuitively by inspection hole, decrease the undue dependence to secondary circuit in assembly and adjustment process, more convenient operating personnel carry out assembly and adjustment, for Workshop Production, after-sale service and regular maintenance provide Reliable guarantee, effectively to improve the outgoing of three-station, thus improve the dependable with function of three-station.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model three-station embodiment;
Fig. 2 be in Fig. 1 A-A to cutaway view.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 2, the present embodiment three-station, comprise shell 1, moving-conductor 2, quiet conductor 3 and earthing conductor 4, described quiet conductor 3 and described earthing conductor 4 are fixed on described shell 1, described moving-conductor 2 is movably arranged in described shell 1, described shell 1 also offers inspection hole 11, described inspection hole 11 is provided with transparent toughened glass plate 12.
Specifically, the shell 1 of the present embodiment three-station is provided with inspection hole 11, inspection hole 11 is provided with transparent toughened glass plate 12 and carries out shutoff, operating personnel are when debugging and using the present embodiment three-station, the position of moving-conductor 2 in shell 1 directly can be observed by inspection hole 11, to judge the operating state of three-station accurately, thus without the need to being detected by secondary circuit, the operating state of three-station can be observed intuitively by inspection hole.Wherein, dielectric SF6 gas is filled with in the shell of the present embodiment three-station, and excessive and cause the impact on sealing in order to reduce inspection hole 11 perforated area, shell 1 is respectively arranged with described inspection hole 11 near the position of the described free end of quiet conductor 3 and the free end of described earthing conductor 4.Concrete, the free end of quiet conductor 3 and the free end of described earthing conductor 4 are respectively for contacting to realize specific operating state with moving-conductor 2, and the position of the corresponding free end of quiet conductor 3 and the free end of described earthing conductor 4 arranges inspection hole 11 respectively on shell 1, the perforated area of inspection hole 11 can effectively reduce and meet the requirement observed, and guarantees the air-tightness requirement of shell 1.
Wherein, inspection hole 11 is shoulder hole structure, and described transparent toughened glass plate 12 is resisted against on the step surface that described inspection hole 11 formed, and described inspection hole 11 has also been threaded annular end cap 13.Concrete, in order to reliably transparent toughened glass plate 12 is installed on inspection hole 11, by annular end cap 13, transparent toughened glass plate 12 is limited in inspection hole 11, occur to loosen because using for a long time to avoid transparent toughened glass plate 12.And, sealing ring 14 is respectively arranged with between the step surface of transparent toughened glass plate 12 and described inspection hole 11 and described annular end cap 13, after tightening annular end cap 13, transparent toughened glass plate 12 both sides joint face will be sealed up by sealing ring 14, thus improve the sealing property of shell 1.In addition, shell 1 is also connected with air gauge valve 5, effective monitoring can be carried out to SF6 gas density in three-station by air gauge valve 5.
The utility model also provides a kind of high voltage switchgear, comprises above-mentioned three-station.
The three-station that the utility model provides and high voltage switchgear, by arranging inspection hole on shell, inspection hole is provided with transparent toughened glass plate, operating personnel can watch the position of moving-conductor by inspection hole, thus judge the operating state of three-station accurately, thus without the need to being detected by secondary circuit, the operating state of three-station can be observed intuitively by inspection hole, decrease the undue dependence to secondary circuit in assembly and adjustment process, more convenient operating personnel carry out assembly and adjustment, for Workshop Production, after-sale service and regular maintenance provide Reliable guarantee, effectively to improve the outgoing of three-station, thus improve the dependable with function of three-station.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a three-station, comprise shell, moving-conductor, quiet conductor and earthing conductor, described quiet conductor and described earthing conductor are fixed on the housing, described moving-conductor is movably arranged in the housing, it is characterized in that, described shell also offers inspection hole, described inspection hole is provided with transparent toughened glass plate.
2. three-station according to claim 1, is characterized in that, described shell is respectively arranged with described inspection hole near the position of the free end of described quiet conductor and the free end of described earthing conductor.
3. three-station according to claim 1, is characterized in that, described inspection hole is shoulder hole structure, and described transparent toughened glass plate is resisted against on the step surface that described inspection hole formed, and described inspection hole has also been threaded annular end cap.
4. three-station according to claim 3, is characterized in that, is respectively arranged with sealing ring between the step surface of described transparent toughened glass plate and described inspection hole and described annular end cap.
5. three-station according to claim 4, is characterized in that, described shell is also connected with air gauge valve.
6. a high voltage switchgear, is characterized in that, comprise as arbitrary in claim 1-5 as described in three-station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740642.5U CN204946785U (en) | 2015-09-23 | 2015-09-23 | Three-station and high voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740642.5U CN204946785U (en) | 2015-09-23 | 2015-09-23 | Three-station and high voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946785U true CN204946785U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740642.5U Active CN204946785U (en) | 2015-09-23 | 2015-09-23 | Three-station and high voltage switchgear |
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| Country | Link |
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| CN (1) | CN204946785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054046A (en) * | 2017-11-16 | 2018-05-18 | 河南平高电气股份有限公司 | The conductive plug-in strip of disconnecting switch, the conductive gearcase of plug-in strip and gearcase box body |
-
2015
- 2015-09-23 CN CN201520740642.5U patent/CN204946785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054046A (en) * | 2017-11-16 | 2018-05-18 | 河南平高电气股份有限公司 | The conductive plug-in strip of disconnecting switch, the conductive gearcase of plug-in strip and gearcase box body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |