CN201570426U - Gas insulation metal enclosed switch - Google Patents
Gas insulation metal enclosed switch Download PDFInfo
- Publication number
- CN201570426U CN201570426U CN2009203138145U CN200920313814U CN201570426U CN 201570426 U CN201570426 U CN 201570426U CN 2009203138145 U CN2009203138145 U CN 2009203138145U CN 200920313814 U CN200920313814 U CN 200920313814U CN 201570426 U CN201570426 U CN 201570426U
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- CN
- China
- Prior art keywords
- conducting rod
- contact base
- static contact
- endoporus
- gas
- 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 a gas insulation metal enclosed switch which comprises a main bus and an insulation switch. An electrical connection part of the main bus comprises a static contact base which is provided with an inner hole for installing a conducting rod. The conducting rod is inserted into the inner hole for installing the conducting rod. The electrical connection part of the insulation switch comprises a dynamic contact pedestal. One end of the step inner hole of the dynamic contact pedestal is fixedly provided with a contact finger pedestal. The circumferential surface of the inner hole of the static contact pedestal, which is used for installing the conducting rod, is provided with a first guide ring at the insertion end of the conducting rod. The first guide ring performs guiding function for preventing joint squeezing of electric rod or scratch of spring contact finger when the joint of the conducting rod is inserted into the inner hole of the static contact pedestal, which is used for installing the conducting rod.
Description
Technical field
The utility model relates to a kind of gas-insulated metal enclosed switchgear, belongs to the high voltage switchgear field.
Background technology
For the sulfur hexafluoride gas-insulating sealing switch equipment of same electric pressure, can choose different current classes.Along with the increase of network load, more and more higher to the requirement of power transmission and transforming equipment, the sulfur hexafluoride gas-insulating metal switch equipment that the rated current grade is high more and more is subjected to the favor in market.Because what the national standard switching devices required improves constantly, switch manufacturer just improves or redesigns the product of same electric pressure to guarantee the lifting of the specified through-current capability of this electric pressure product on the basis of original low current level switchgear.Along with the raising of sulfur hexafluoride gas-insulating sealing switch equipment through-current capability, the caloric value of device interior increases, and it is overheated to take place easily.
Gas-insulated sealing switch equipment main composition is divided into Static Contact and sliding contact two large divisions, and Static Contact partly comprises the Primary Conductor part of elements such as main bus bar, branch bar, turnover thread casing, current transformer, voltage transformer and lightning arrester; Dynamically contact portion comprises circuit breaker, isolating switch and earthed switch three big elements.The parts of the dynamic contact portion of gas-insulated sealing switch equipment and Static Contact part all are encapsulated in the metal shell of ground connection, the sulfur hexafluoride gas that is filled with certain pressure in the housing is as insulation alternate and over the ground, these elements can be combined into various main wiring modes, satisfy the different requirement of user, compare with the open type high-voltage electrical equipment of routine, the gas-insulated sealing switch equipment has the little and reliable advantage of floor space, as 126KV grade GIS, its floor space is 25% of an open type, and its floor space of 252KV grade GIS is 20% of an open type, because its current-carrying part is enclosed in the metal shell, be subjected to the influence of environment little, so reliable, the time between overhauls(TBO) is long.
The isolating switch of gas-insulated sealing switch equipment is provided with electrical connections, also is provided with arrangements of electric connection on the main bus bar, and the isolating switch electrical connections comprises dynamic contact base, and an end of the inner bore of step of this dynamic contact base is installed with the fingertip seat; The main bus bar electrical connections is the vitals on the gas-insulated sealing switch equipment, in major loop, play a part conducting rated current and short trouble electric current, the main bus bar electrical connections comprises static contact base, static contact base is provided with the conducting rod installing hole, the conducting rod tip side is inserted in this installing hole, the hole wall of installing hole is provided with annular groove, is provided with spring touch finger in the groove, and the conducting rod joint reliably contacts with static contact base by spring touch finger.Need when mounted earlier spring touch finger to be packed in the annular groove of installing hole of static contact base, and then the conducting rod tip side is inserted in the installing hole of static contact base, conducting rod joint extruding, scratch helical spring fingertip easily in assembling process.
The utility model content
The purpose of this utility model provides a kind of gas-insulated metal enclosed switchgear, with the problem of easy extruding or scratch helical spring fingertip in the process of conducting rod joint in the installing hole of static contact base of packing in the solution prior art.
For achieving the above object, the utility model adopts following technical scheme: a kind of gas-insulated metal enclosed switchgear, comprise main bus bar and isolating switch, the electrical connections of main bus bar comprises static contact base, static contact base is provided with conducting rod endoporus is installed, conducting rod is installed in the endoporus and is fitted with conducting rod, the electrical connections of described isolating switch comprises dynamic contact base, one end of the inner bore of step of this dynamic contact base is installed with the fingertip seat, is provided with first guide ring in the conducting rod insertion end on the side face of described static contact base installation conducting rod endoporus.
Described static contact base is provided with the louvre that is extended to the endoporus side face by static contact base outer peripheral face.
The termination that described conducting rod inserts the tip side in the endoporus of static contact base is provided with the guiding chamfering.
The inner peripheral surface of described fingertip seat is provided with second guide ring.
The static contact base of the electrical connections of bus of the present utility model is installed on the side face of endoporus of conducting rod and is provided with first guide ring in the conducting rod insertion end, and this first guide ring inserts at the conducting rod joint and plays guide effect when static contact base is installed in the endoporus of conducting rod and avoid the extruding of electric pole joint or scratch spring touch finger.
The static contact base of the electrical connections of bus of the present utility model is provided with the louvre that is extended to the endoporus side face by static contact base outer peripheral face, the convenient static contact base internal heat sulfur hexafluoride gas outside with it carries out the effective cold and hot exchange of body, can avoid the inner superheating phenomenon that takes place of static contact base.
The inner peripheral surface of the fingertip seat of the electrical connections of isolating switch of the present utility model is provided with second guide ring, play the guiding role in the time of can be in dynamically contact is packed dynamic contact base into.
Description of drawings
Fig. 1 is the structural representation of the electrical connections of main bus bar of the present utility model;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the structural representation of first kind of version of electrical connections of isolating switch of the present utility model;
Fig. 4 is the structural representation of second kind of version of electrical connections of isolating switch of the present utility model.
Embodiment
Improvement of the present utility model mainly concentrates on the electrical connections of main bus bar and the electrical connections of isolating switch, and other parts are identical with prior art constructions, do not repeat them here.
As Fig. 1, Fig. 2, the electrical connections of gas-insulated metal enclosed switchgear main bus bar comprises static contact base 4, static contact base 4 is provided with conducting rod endoporus is installed, the tip side of conducting rod 1 is inserted into this conducting rod and installs in the endoporus, the hole wall that conducting rod is installed endoporus is provided with annular groove, be provided with spring touch finger 3 in the groove, the tip side of conducting rod 4 reliably contacts with static contact base 4 by spring touch finger 3.Insertion end in conducting rod 1 on the side face of the conducting rod installation endoporus of static contact base 4 is provided with first guide ring 2, and the termination of the tip side in the endoporus of the static contact base 4 of conducting rod 1 insertion is provided with guiding chamfering 13.Static contact base 4 is provided with the static contact base louvre 5 that is extended to the endoporus side face by static contact base 4 outer peripheral faces.
First kind of version of the electrical connections of the isolating switch of gas-insulated metal enclosed switchgear:
As Fig. 3, this is a kind of electrical connections that is applicable to the dihedral isolating switch, comprises dynamic contact base 6, and dynamically an end of the inner bore of step of contact base 6 is equipped with fingertip seat 7 by screw, and the inner peripheral surface of fingertip seat 7 is provided with second guide ring 8.
Second kind of version 2 of the electrical connections of the isolating switch of gas-insulated metal enclosed switchgear:
As Fig. 4, this is a kind of electrical connections that is applicable to the linear isolating switch, comprises dynamic contact base 9, and dynamically an end of the inner bore of step of contact base 9 is equipped with fingertip seat 10 by screw, and the inner peripheral surface of fingertip seat 10 is provided with second guide ring 11.The difference of present embodiment and embodiment 1 exists: dynamically contact base 9 has the cylindrical body that one is extended setting, and cylindrical body is provided with cylindrical body louvre 12.
Claims (4)
1. gas-insulated metal enclosed switchgear, comprise main bus bar and isolating switch, the electrical connections of main bus bar comprises static contact base, static contact base is provided with conducting rod endoporus is installed, conducting rod is installed in the endoporus and is fitted with conducting rod, the electrical connections of described isolating switch comprises dynamic contact base, one end of the inner bore of step of this dynamic contact base is installed with the fingertip seat, it is characterized in that: be provided with first guide ring in the conducting rod insertion end on the side face of described static contact base installation conducting rod endoporus.
2. gas-insulated metal enclosed switchgear according to claim 1 is characterized in that: described static contact base is provided with the louvre that is extended to the endoporus side face by static contact base outer peripheral face.
3. gas-insulated metal enclosed switchgear according to claim 1 and 2 is characterized in that: the termination that described conducting rod inserts the tip side in the endoporus of static contact base is provided with the guiding chamfering.
4. gas-insulated metal enclosed switchgear according to claim 3 is characterized in that: the inner peripheral surface of described fingertip seat is provided with second guide ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203138145U CN201570426U (en) | 2009-10-30 | 2009-10-30 | Gas insulation metal enclosed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203138145U CN201570426U (en) | 2009-10-30 | 2009-10-30 | Gas insulation metal enclosed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201570426U true CN201570426U (en) | 2010-09-01 |
Family
ID=42662726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203138145U Expired - Lifetime CN201570426U (en) | 2009-10-30 | 2009-10-30 | Gas insulation metal enclosed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201570426U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709075A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electric connection device for electric switch |
| CN102709831A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electrical connection device of electrical switchgear |
| CN102709076A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electric connection device for electric switch |
| CN102709830A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Conducting connecting device of electric switch equipment |
| CN102709833A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Conducting connecting device for electric switch |
| CN104143462A (en) * | 2013-08-22 | 2014-11-12 | 国家电网公司 | High-voltage direct-current quick switch-on switch and switch fracture structure thereof |
| CN107689525A (en) * | 2017-07-24 | 2018-02-13 | 许继集团有限公司 | A kind of fingertip holder assembly, electric connection structure and GIL |
-
2009
- 2009-10-30 CN CN2009203138145U patent/CN201570426U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709075A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electric connection device for electric switch |
| CN102709831A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electrical connection device of electrical switchgear |
| CN102709076A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Electric connection device for electric switch |
| CN102709830A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Conducting connecting device of electric switch equipment |
| CN102709833A (en) * | 2012-06-06 | 2012-10-03 | 河南平高电气股份有限公司 | Conducting connecting device for electric switch |
| CN104143462A (en) * | 2013-08-22 | 2014-11-12 | 国家电网公司 | High-voltage direct-current quick switch-on switch and switch fracture structure thereof |
| CN104143462B (en) * | 2013-08-22 | 2016-08-17 | 国家电网公司 | A kind of HVDC rapid closing switch and switch fracture texture thereof |
| CN107689525A (en) * | 2017-07-24 | 2018-02-13 | 许继集团有限公司 | A kind of fingertip holder assembly, electric connection structure and GIL |
| CN107689525B (en) * | 2017-07-24 | 2020-08-18 | 许继集团有限公司 | Contact finger seat assembly, electric connection structure and GIL |
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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: 20100901 |
|
| CX01 | Expiry of patent term |