CN207409917U - Possess the on-load switch functional unit and ring main unit of wireline test test function - Google Patents
Possess the on-load switch functional unit and ring main unit of wireline test test function Download PDFInfo
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- CN207409917U CN207409917U CN201721427580.8U CN201721427580U CN207409917U CN 207409917 U CN207409917 U CN 207409917U CN 201721427580 U CN201721427580 U CN 201721427580U CN 207409917 U CN207409917 U CN 207409917U
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- China
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- load switch
- fixedly connected
- functional unit
- grounding contact
- branch bar
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Abstract
The utility model discloses a kind of on-load switch functional units and ring main unit for possessing wireline test test function, when needing to carry out cable performance test to end and cable, three-stations load switch is in ground state, earthing switch, which is in, cut-offs state, galvanic circle is connected by the second grounding contact, bilateral casing one, branch bar one, the first grounding contact, conductor, branch bar two, bilateral casing two, end and cable stroke, apply high-voltage electricity at the second grounding contact, you can to test end and cable.The utility model is simple in structure, at low cost, electric property is reliable.
Description
Technical field
The utility model is related to field of electrical equipment more particularly to ring main unit and on-load switch functional units.
Background technology
With the continuous development of urban power distribution network, cable degree gradually steps up, and the application of ring main unit is also increasingly extensive,
Load switching unit application is extremely extensive in ring main unit, and the international markets such as South Africa propose on-load switch functional unit new spy
Different requirement, it is desirable that on-load switch functional unit possesses itself carries out wireline test experiment to its corresponding inlet-outlet line cable（Power frequency is exhausted
The electric properties such as edge, thunder punching insulation and partial discharge quantity）Function.And at present in technology, ring main unit load switch functional unit
Do not possess the function of wireline test experiment.
The content of the invention
Technical problem to be solved in the utility model is：A kind of on-load switch for possessing wireline test test function is provided
Functional unit and ring main unit.
Technical solution provided by the utility model is a kind of on-load switch function list for possessing wireline test test function
Member, the three-stations load switch including gas tank, inside the gas tank, the operation machine positioned at forward upper outside the gas tank
Structure, the earthing switch being fixedly connected on cabinet body frame, the bilateral casing two for being fixedly connected on the gas tank lower front, fixation
Pressure release film, the branch bar two of the gas tank bottom are connected to, the upper end of the branch bar two is opened with the three stations load
The conductor of pass is fixedly connected, and the lower end of the branch bar two is fixedly connected with the bilateral casing two, and cable passes through end
It is fixedly connected with the bilateral casing two, which is characterized in that further include the first grounding contact, the second grounding contact, branch bar
One and bilateral casing one, first grounding contact be fixedly connected with the support base of the three-stations load switch, the branch
The upper end of busbar one is fixedly connected with first grounding contact, and the lower end of the branch bar one is solid with the bilateral casing one
Fixed connection, second grounding contact are fixedly connected with the bilateral casing one.
Further, the support base is insulating materials.
Further, the grounding parts of the three-stations load switch pass through the branch bar one, bilateral casing one, second
Grounding contact and earthing switch are in the gas tank external ground.
Further, when the normal charging operation of the on-load switch functional unit, the three-stations load switch is in
Major loop "on" position, the earthing switch are in and close state.
Further, when testing the end and cable, the three-stations load switch is in ground connection shape
State, the earthing switch, which is in, cut-offs state.
Further, when testing the end and cable, high pressure is applied at second grounding contact
Electricity.
The utility model also proposes a kind of ring main unit, and the load including possessing wireline test test function as described above is opened
Close functional unit.
Compared with prior art, the advantages of the utility model and good effect is：When need to end and cable progress
When cable performance is tested, three-stations load switch is in ground state, and earthing switch, which is in, cut-offs state, is touched by the second ground connection
Head, bilateral casing one, branch bar one, the first grounding contact, conductor, branch bar two, bilateral casing two, end and cable
Stroke connects galvanic circle, applies high-voltage electricity at the second grounding contact, you can to test end and cable.This reality
With new structure is simple, at low cost, electric property is reliable.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the side view of the utility model embodiment；
Fig. 3 for the utility model embodiment when ring main unit normal operation, the working condition of on-load switch functional unit；
Fig. 4 is A portions enlarged drawing in Fig. 3；
When Fig. 5 is the utility model embodiment test cable performance, the working condition of on-load switch functional unit；
Fig. 6 is B portions enlarged drawing in Fig. 5.
Wherein, operating mechanism 1, gas tank 2, three-stations load switch 3, earthing switch 4, end 5, cable 6, bilateral casing
One 12, bilateral casing 27, branch bar 1, branch bar 29, the first grounding contact 31, the second grounding contact 10, pressure release film
11, cabinet body frame 13, support base 32, conductor 33.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
The utility model proposes a kind of on-load switch functional unit for possessing wireline test test function, institute as shown in Figure 1, Figure 2
Show, three-stations load switch 3 including gas tank 2, inside gas tank 2, positioned at 2 outside forward upper of gas tank operating mechanism 1,
The earthing switch 4 that is fixedly connected on cabinet body frame 13, the bilateral casing 27 for being fixedly connected on gas tank lower front fixed connect
It is connected on pressure release film 11, the branch bar 29 of 2 bottom of gas tank.Wherein, the upper end of branch bar 29 and three-stations load switch 3
Conductor 33 is fixedly connected, and the lower end of branch bar 29 is fixedly connected with bilateral casing 27, and cable 6 passes through end 5 and bilateral
Casing 27 is fixedly connected.Further include the first grounding contact 31, the second grounding contact 10, branch bar 1 and bilateral casing one
12, the first grounding contact 31 is fixedly connected with the support base 32 of three-stations load switch 3, the upper end of branch bar 1 and first
Grounding contact 31 is fixedly connected, and the lower end of branch bar 1 is fixedly connected with bilateral casing 1, the second grounding contact 10 with it is double
Logical casing 1 is fixedly connected.
Further, support base 32 is insulating materials.The grounding parts of three-stations load switch 3 pass through branch bar 1, double
Logical casing 1, the second grounding contact 10 and earthing switch 4 are in 2 external ground of gas tank.
When the normal charging operation of on-load switch functional unit, as shown in Figure 3, Figure 4, three-stations load switch 3 is in master
Circuit "on" position, earthing switch 4 are in and close state, pass through three-stations load switch 3, branch bar 29, bilateral casing two
7th, end 5 and cable 6 form connection galvanic circle, and reliability service circuit is provided for the normal charging operation of power grid.
When testing end 5 and cable 6, as shown in Figure 5, Figure 6, three-stations load switch 3 is in ground connection shape
State, earthing switch 4, which is in, cut-offs state, is grounded by the second grounding contact 10, bilateral casing 1, branch bar one 8, first
Contact 31, conductor 33, branch bar 29, bilateral casing 27, end 5 and 6 row of cable connect into connection galvanic circle second
Apply high-voltage electricity at ground contact 10, with the performance of test cable first 5 and cable 6, such as power frequency insulation, thunder punching insulation and shelf depreciation
The electric properties such as amount.
The utility model also proposes a kind of ring main unit, and the load including possessing wireline test test function as described above is opened
Close functional unit.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (7)
1. a kind of on-load switch functional unit for possessing wireline test test function, including gas tank, inside the gas tank
Three-stations load switch, the operating mechanism of forward upper, the ground connection being fixedly connected on cabinet body frame outside the gas tank
The pressure release film that switch, be fixedly connected on the bilateral casing two of the gas tank lower front, is fixedly connected on the gas tank bottom, point
Branch bus two, the upper end of the branch bar two are fixedly connected with the conductor of the three-stations load switch, the branch bar
Two lower end is fixedly connected with the bilateral casing two, and cable is fixedly connected by end with the bilateral casing two, special
Sign is, further includes the first grounding contact, the second grounding contact, branch bar one and bilateral casing one, and first ground connection is touched
Head is fixedly connected with the support base of the three-stations load switch, the upper end of the branch bar one and first grounding contact
Be fixedly connected, the lower end of the branch bar one is fixedly connected with the bilateral casing one, second grounding contact with it is described
Bilateral casing one is fixedly connected.
2. the on-load switch functional unit according to claim 1 for possessing wireline test test function, which is characterized in that institute
Support base is stated as insulating materials.
3. the on-load switch functional unit according to claim 1 for possessing wireline test test function, which is characterized in that institute
The grounding parts for stating three-stations load switch pass through the branch bar one, bilateral casing one, the second grounding contact and earthing switch
In the gas tank external ground.
4. the on-load switch functional unit according to claim 3 for possessing wireline test test function, which is characterized in that when
During the normal charging operation of the on-load switch functional unit, the three-stations load switch is in major loop "on" position, described
Earthing switch is in and closes state.
5. the on-load switch functional unit according to claim 3 for possessing wireline test test function, which is characterized in that when
When testing the end and cable, the three-stations load switch is in ground state, and the earthing switch is in
Cut-off state.
6. the on-load switch functional unit according to claim 5 for possessing wireline test test function, which is characterized in that when
When testing the end and cable, apply high-voltage electricity at second grounding contact.
7. a kind of ring main unit, which is characterized in that possess wireline test test function including such as claim 1-6 any one of them
On-load switch functional unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427580.8U CN207409917U (en) | 2017-10-31 | 2017-10-31 | Possess the on-load switch functional unit and ring main unit of wireline test test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427580.8U CN207409917U (en) | 2017-10-31 | 2017-10-31 | Possess the on-load switch functional unit and ring main unit of wireline test test function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409917U true CN207409917U (en) | 2018-05-25 |
Family
ID=62408471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721427580.8U Active CN207409917U (en) | 2017-10-31 | 2017-10-31 | Possess the on-load switch functional unit and ring main unit of wireline test test function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854698A (en) * | 2019-12-09 | 2020-02-28 | 双杰电气合肥有限公司 | Switch cabinet with insulation test function |
| CN112653008A (en) * | 2020-12-15 | 2021-04-13 | 北京双杰电气股份有限公司 | Outdoor integral type SF6Ring main unit |
-
2017
- 2017-10-31 CN CN201721427580.8U patent/CN207409917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854698A (en) * | 2019-12-09 | 2020-02-28 | 双杰电气合肥有限公司 | Switch cabinet with insulation test function |
| CN112653008A (en) * | 2020-12-15 | 2021-04-13 | 北京双杰电气股份有限公司 | Outdoor integral type SF6Ring main unit |
| CN112653008B (en) * | 2020-12-15 | 2023-09-22 | 北京双杰电气股份有限公司 | Outdoor integrated SF 6 Ring main unit |
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