CN201104318Y - Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure - Google Patents
Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure Download PDFInfo
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- CN201104318Y CN201104318Y CNU2007200280489U CN200720028048U CN201104318Y CN 201104318 Y CN201104318 Y CN 201104318Y CN U2007200280489 U CNU2007200280489 U CN U2007200280489U CN 200720028048 U CN200720028048 U CN 200720028048U CN 201104318 Y CN201104318 Y CN 201104318Y
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Abstract
The utility model relates to a GW4AIII double-column horizontal fracture n-type horizontal rotating type outdoor three-phase AC high voltage isolating switch with a self-operated finger sensing structure in power supply systems. The utility model comprises three monopoles, as well as a main knife operating device and a ground knife operating device which connect the monopoles into a whole; each monopole is in an n-type double-column structure comprising a base (1), two strut insulators (2), a left contact (3) and a right contact (4); a contact seat I (8) of a fingerlike sheet (9) is fixed on a conductive rod I (7) of the left contact (3); a contact seat II of a square spigot (11) is fixed on a conductive rod II (10) of the right contact (4); a moving contact (15) of a grounding switch has a contact seat III (17) which is fixed with a contact sheet (18) arranged on a conductive rod III (16); a fixed contact of the grounding switch has a contact plate (22) fixed on a wiring seat (20) of the strut insulators (2). The isolating switch has the advantages of having high through flow and short circuit current bearing capability, having good self-cleaning capability, reducing maintenance, improving the high heat phenomena of a conduction circuit, and having good overall using performance as well as safe reliability.
Description
One, technical field:
The utility model relates to the isolating switch in a kind of electric power system, and the fingertip structure of using in specifically a kind of power supply system is the outdoor three-phase alternating current high voltage isolator of the horizontal fracture ∏ of the GW4AIII type twin columns type horizontal rotation type of self-operated type.
Two, background technology:
In the last few years, along with China's rapid development of economy, infrastructure construction was advanced by leaps and bounds especially, and the operational reliability of the various high-voltage electrical equipments of electric power system is had higher requirement; And isolating switch is in the various device of electric power system, and its operational environment is worst, is exposed to fully in the atmospheric environment, is bearing the erosion of acid rain, salt fog, dust storm.Because existing isolating switch exists deficiency in the design, cause isolating switch through-current capability, bear the short circuit current ability; Can not be self-cleaning, often need to safeguard; And exist defectives such as galvanic circle heating height, transmission position easy-to-rust, antiseptic property difference.In the various interruption of services of in recent years electric power system, the interruption of service of isolating switch is maximum.For this reason, relevant department has proposed isolating switch is carried out the requirement that improvement is transformed, and make it have good antiseptic power and conduction reliability, and very little maintenance even need not safeguarded; The rate of failure of isolating switch is reduced in the minimum scope.
Three, summary of the invention:
The outdoor three-phase alternating current high voltage isolator of the horizontal fracture ∏ of the GW4AIII type twin columns type horizontal rotation type that it is self-operated type that the purpose of this utility model provides a kind of fingertip structure, bears short circuit current ability height at through-current capability; Fingertip, contact have self-cleaning ability, reduce and safeguard; Improved galvanic circle heating height, transmission position easy-to-rust, antiseptic property, its whole serviceability and security reliability are good.
For achieving the above object, the technical scheme that the utility model is taked is: on the basis of the outdoor three-phase alternating current high voltage isolator of the horizontal fracture ∏ of former GW4 type twin columns type horizontal rotation type, to first-class improvement of moving contact, stationary contact of leading electricity fingertip, contact and earthed switch partly.Promptly include three one poles and the operator powder operation device, compositions such as cutter powder operation device.Three one poles by the operator powder operation device, the cutter powder operation device connect into integral body.Each one pole is a ∏ type queen post structure, and each one pole all includes base, two post insulators, left contact, right contact etc.The lower end of two post insulators is installed on the base and is the ∏ type, and the upper end of two post insulators is installed left contact, right contact respectively.Left side contact is provided with fingertip, and right contact is provided with contact, and fingertip and sets of contacts are synthesized the fingertip structure.Left side contact is connected with the contact of right contact is chimeric by its fingertip.Handle the operator powder operation device, by the embedding of left and right contact and separately, realize the combined floodgate and the separating brake of isolating switch.It is characterized in that described fingertip structure is the self-operated type structure, promptly the fingertip structure includes fingertip, contact, and fingertip is to be fixed with touch base I on the conducting rod I of left contact, and the both sides of touch base I are fixed with the outer finger-like sheet of opening respectively; Strain by fingertip in the making process itself produces contact pressure; Contact is to be fixed with touch base II, the square spigot that be fixed with hollow on the touch base II, is square on the conducting rod II of right contact.The moving contact of earthed switch is that an end that is connected with fixed contact on conducting rod III is fixed with touch base III in the described ground connection powder operation device, and the both sides of touch base III are fixed with the contact that is parallel to each other respectively; The fixed contact of earthed switch be the lower end of post insulator upper end junction block be provided with can tightly embed moving contact two contacts that are parallel to each other between touch panel, touch panel is fixed on the lower end of junction block by mounting panel, is provided with cushion pad in a side of terminal block.
Operator operating mechanism in the operation operator powder operation device, be installed in two main shafts in base, two post insulators by drives such as operator vertical links, joints, two main shafts drive left contact respectively, right contact is the rotation of horizontal plane direction, the fingertip that makes left contact and the contact of right contact chimeric with separate, realize the combined floodgate and the separating brake of leading electricity part.Ground cutter operating mechanism in cutter powder operation device operatively by ground cutter vertical links, space four-links, makes on the moving contact of earthed switch pendulum connect with the chimeric combined floodgate of fixed contact, and the bottom then separating brake cut-offs.
In order to improve conductive capability and automatically cleaning ability, the material of the finger-like sheet of fingertip and the square spigot of contact is the Cr-Zr alloy copper material and all is coated with hard silver in the contact site of the square spigot of the finger-like sheet of fingertip and contact; The material of the conducting rod I of fingertip and the conducting rod II of contact is aluminium alloy material.The contact of earthed switch moving contact is copper coin cold moudling, curved.Fixing, the conducting rod II of conducting rod I and touch base I and fixing, the conducting rod III of touch base II go up to weld with fixedly being of touch base III and fix.
Because the material of contact and fingertip adopts the Cr-Zr alloy copper material with favorable elasticity and electric conductivity, and all be coated with hard silver in the contact site, (spring has electric current to pass through behind combined floodgate to have replaced the former fingertip version that is provided with spring, heating, the elasticity of spring is reduced, thereby reliability and current carrying capacity have been influenced), fingertip is (we are referred to as self-operated type fingertip structure) of realizing by the elastic force of fingertip finger-like sheet self material to the clamping force of contact, has improved the clamping force of contact and fingertip and the conveyance capacity of electric current during combined floodgate.Fingertip and contact be by sliding motion close a floodgate, separating brake, also just improved the automatically cleaning ability.The contact of earthed switch moving contact adopts copper coin cold moudling, curved, has better elastic and electric conductivity, when contact and touch panel combined floodgate, has clamping force preferably, the electric conductivity after having guaranteed to close a floodgate; In addition be provided with cushion pad on the fixed contact, when pendulum closes a floodgate with fixed contact on moving contact, play cushioning effect, to alleviate moving contact to the impulsive force of fixed contact with avoid direct bump.Therefore, the utlity model has through-current capability, bear short circuit current ability height; Self-cleaning ability is good, reduces and safeguards; Improved the galvanic circle high phenomenon of generating heat, its whole serviceability and security reliability are good.
Four, description of drawings
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that M among Fig. 1 is to view;
Fig. 4 is a N enlarged drawing among Fig. 2.
Five, embodiment
Accompanying drawing is embodiment of the present utility model, include three one poles and the operator powder operation device, compositions such as cutter powder operation device.Three one poles by the operator powder operation device, the cutter powder operation device connect into integral body.Each one pole is a ∏ type queen post structure, and each one pole all includes base 1, two post insulators 2, left contact 3, right contact 4 etc.The lower end of two post insulators 2 is installed on the base 1 and is the ∏ type, and the upper end of two post insulators 2 is installed left contact 3, right contact 4 respectively.Left side contact 3 is provided with fingertip 5, and right contact 4 is provided with contact 6, and fingertip 5 is combined into the fingertip structure with contact 6.Left side contact 3 is by contact 6 chimeric are connected of its fingertip 5 with right contact 4.Handle the operator powder operation device, by the embedding of left and right contact 3,4 and separately, realize the combined floodgate and the separating brake of isolating switch.It is characterized in that described fingertip structure is the self-operated type structure, promptly the fingertip structure includes fingertip 5, contact 6, and fingertip 5 is fixed with touch base I8 on the conducting rod I7 of left contact 3, and the both sides of touch base I8 are fixed with the outer finger-like sheet of opening 9 respectively; Strain by fingertip in the making process itself produces contact pressure; Contact 6 is fixed with touch base II, the square spigot 11 that be fixed with hollow on the touch base II, is square on the conducting rod II10 of right contact 4.The moving contact 15 of earthed switch is that an end that is connected on conducting rod III16, with fixed contact is fixed with touch base III17 in the described ground connection powder operation device, and the both sides of touch base III17 are fixed with the contact 18 that is parallel to each other respectively; The fixed contact of earthed switch be the lower end of post insulator 2 upper end junction blocks 20 be provided with can tightly embed moving contact 15 two contacts that are parallel to each other 18 between touch panel 22, touch panel 22 is fixed on the lower end of junction block 20 by mounting panel 21, is provided with cushion pad in a side of mounting panel 21.Cushion pad can be fixed on the mounting panel 21 by bent plate, also can be provided with the fixedly bent plate of cushion pad by mounting panel 21.
Operator operating mechanism in the operation operator powder operation device, be installed in two main shafts in base 1, two post insulators 2 by drives such as operator vertical links, joints, two the left respectively contacts 3 of main shaft, right contacts 4 are the rotation of horizontal plane direction respectively, the fingertip 5 that makes left contact 3 and the contact of right contact 46 chimeric with separate, realize the combined floodgate and the separating brake of leading electricity part.Ground cutter operating mechanism in cutter powder operation device operatively by ground cutter vertical links, space four-links, makes on the moving contact 15 of earthed switch pendulum connect with the chimeric combined floodgate of fixed contact, and the bottom then separating brake cut-offs.
In order to improve conductive capability and automatically cleaning ability, the material of the finger-like sheet 9 of the fingertip 5 of present embodiment and the square spigot 11 of contact 6 is the Cr-Zr alloy copper material and all is coated with hard silver in the contact site of the square spigot 11 of the finger-like sheet 9 of fingertip 5 and contact 6; The material of the conducting rod I7 of fingertip 5 and the conducting rod II10 of contact 6 is aluminium alloy material.The contact 18 of earthed switch moving contact 15 is copper coin cold moudling, curved.Fixing, the conducting rod II10 of conducting rod I7 and touch base I8 and fixing, the conducting rod III16 of touch base II go up to weld with fixedly being of touch base III17 and fix.
Because contact 6 of the present utility model adopts the Cr-Zr alloy copper material with favorable elasticity and electric conductivity with the material of fingertip 5, and all is coated with hard silver in the contact site, has improved contact 6 and the clamping force of fingertip 5 and the conveyance capacity of electric current during combined floodgate.Fingertip 5 and contact 6 be by sliding motion close a floodgate, separating brake, improved the automatically cleaning ability.The contact 18 of earthed switch moving contact 15 adopts copper coin cold moudling, curved, has better elastic and electric conductivity, when contact 18 closes a floodgate with touch panel 22, has clamping force preferably, the electric conductivity after having guaranteed to close a floodgate; In addition, be provided with cushion pad on the fixed contact, when pendulum closes a floodgate with fixed contact on moving contact 15, play cushioning effect and avoid direct bump.Therefore, the utlity model has through-current capability, bear short circuit current ability height; Self-cleaning ability is good, reduces and safeguards; Improved the galvanic circle high phenomenon of generating heat, its whole serviceability and security reliability are good.
Claims (5)
1, the outdoor three-phase alternating current high voltage isolator of a kind of twin columns ∏ type of self-operated type fingertip structure, include three one poles and operator powder operation device, the cutter powder operation device form, three one poles by the operator powder operation device, the cutter powder operation device connect into integral body; Each one pole is a ∏ type queen post structure, each one pole all includes base (1), two post insulators (2), left contact (3), right contact (4), the lower end of two post insulators (2) is installed on the base (1) and is the ∏ type, the upper end of two post insulators (2) is installed left contact (3), right contact (4) respectively, left side contact (3) is provided with fingertip (5), right contact (4) is provided with contact (6), fingertip (5) is combined into the fingertip structure with contact (6), and left contact (3) is by contact (6) chimeric be connected of its fingertip (5) with right contact (4); It is characterized in that described fingertip structure is the self-operated type structure, be that the fingertip structure includes fingertip is arranged (5), contact (6), fingertip (5) is fixed with touch base I (8) on the conducting rod I (7) of left contact (3), the both sides of touch base I (8) are fixed with the outer finger-like sheet of opening (9) respectively, contact (6) is fixed with touch base II, the square spigot that be fixed with hollow on the touch base II, is square (11) on the conducting rod II (10) of right contact (4); The moving contact (15) of earthed switch is to go up an end that is connected with fixed contact at conducting rod III (16) to be fixed with touch base III (17) in the described ground connection powder operation device, and the both sides of touch base III (17) are fixed with the contact (18) that is parallel to each other respectively; The fixed contact of earthed switch is the touch panel (22) that is fixed with on the junction block (20) of post insulator (1) upper end between two contacts that are parallel to each other (18) that can tightly embed moving contact (15).
2, the outdoor three-phase alternating current high voltage isolator of the twin columns ∏ type of self-operated type fingertip structure according to claim 1, it is characterized in that touch panel (22) is fixed on the lower end of junction block (20) by mounting panel (21), be provided with cushion pad in a side of mounting panel (21).
3, the outdoor three-phase alternating current high voltage isolator of the twin columns ∏ type of self-operated type fingertip structure according to claim 1, the material that it is characterized in that the square spigot (11) of the finger-like sheet (9) of fingertip (5) and contact (6) are the Cr-Zr alloy copper material and all are coated with hard silver in the contact site of the square spigot (11) of the finger-like sheet (9) of fingertip (5) and contact (6); The material of the conducting rod I (7) of left side contact (3) and the conducting rod II (10) of right contact (6) is aluminium alloy material.
4, the outdoor three-phase alternating current high voltage isolator of the twin columns ∏ type of self-operated type fingertip structure according to claim 1, the contact (18) that it is characterized in that earthed switch moving contact (15) is copper coin cold moudling, curved.
5, the outdoor three-phase alternating current high voltage isolator of the twin columns ∏ type of self-operated type fingertip structure according to claim 1, fixing, the conducting rod II (10) that it is characterized in that conducting rod I (7) and touch base I (8) are gone up with the welding that fixedly is of touch base III (17) with fixing, the conducting rod III (16) of touch base II and are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200280489U CN201104318Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200280489U CN201104318Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure |
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| Publication Number | Publication Date |
|---|---|
| CN201104318Y true CN201104318Y (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200280489U Expired - Fee Related CN201104318Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201104318Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058549A1 (en) * | 2014-10-16 | 2016-04-21 | 国家电网公司 | Ultra-high-speed mechanical switch, switch fracture thereof and switch contacts thereof |
| CN105609360A (en) * | 2016-03-04 | 2016-05-25 | 王世孝 | Novel isolation and ground switch |
| CN107301925A (en) * | 2017-08-15 | 2017-10-27 | 张秋阳 | A kind of static contact of self-operated type high voltage isolator |
| CN107749364A (en) * | 2017-09-27 | 2018-03-02 | 国家电网公司 | A kind of high voltage isolation switch contact fingertip and its production technology |
| CN109360762A (en) * | 2018-09-20 | 2019-02-19 | 江苏省如高高压电器有限公司 | A kind of disconnecting switch of three-phase ganged |
-
2007
- 2007-09-14 CN CNU2007200280489U patent/CN201104318Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058549A1 (en) * | 2014-10-16 | 2016-04-21 | 国家电网公司 | Ultra-high-speed mechanical switch, switch fracture thereof and switch contacts thereof |
| CN105609360A (en) * | 2016-03-04 | 2016-05-25 | 王世孝 | Novel isolation and ground switch |
| CN107301925A (en) * | 2017-08-15 | 2017-10-27 | 张秋阳 | A kind of static contact of self-operated type high voltage isolator |
| CN107749364A (en) * | 2017-09-27 | 2018-03-02 | 国家电网公司 | A kind of high voltage isolation switch contact fingertip and its production technology |
| CN109360762A (en) * | 2018-09-20 | 2019-02-19 | 江苏省如高高压电器有限公司 | A kind of disconnecting switch of three-phase ganged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 Termination date: 20091014 |