CN104377022A - Bird preventing junction box of GIS current transformer - Google Patents
Bird preventing junction box of GIS current transformer Download PDFInfo
- Publication number
- CN104377022A CN104377022A CN201410701755.4A CN201410701755A CN104377022A CN 104377022 A CN104377022 A CN 104377022A CN 201410701755 A CN201410701755 A CN 201410701755A CN 104377022 A CN104377022 A CN 104377022A
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- box cover
- connecting rod
- baffle
- current transformer
- hole
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Abstract
The invention discloses a bird preventing junction box of a GIS current transformer. The bird preventing junction box comprises a layer board. A plurality of threaded rods are fixedly installed on the layer board and provided with first nuts and second nuts in a matched mode, an upper box cover is arranged between the first nuts and the second nuts and makes contact with the first nuts and the second nuts, a lower box cover is arranged between the layer board and the upper box cover, the lower end of the lower box cover makes contact with the layer board, a first baffle is arranged on the circumferential ring of the inner wall of the upper end of the lower box cover, a second baffle is arranged on the circumferential ring of the outer wall of the lower end of the upper box cover, the first baffle is located above the second baffle, and the first baffle and the second baffle are located between the upper box cover and the lower box cover. The lower box cover is located on the layer board of the upper box cover all the time under the gravity effect, the height of the upper box cover is adjusted through the nuts, a wire outlet hole is formed in the lower box cover, a current transformer secondary line pipe is located in the box, corrosion caused by bird excrement is reduced, the defects of the short circuit and the open circuit of a secondary loop of the current transformer are overcome, and running hidden danger of electrical equipment is reduced.
Description
Technical field
The present invention relates to a kind of terminal box, is the anti-bird terminal box of GIS current transformer.
Background technology
GIS is the English abbreviation of gas-insulating and fully-enclosed combined electrical apparatus, and GIS device is converting equipment conventional in current transformer station.The lid diameter of existing GIS current transformer connection box is excessive, easily causes birds to enter and nests.Because birds are nested in GIS Current Transformer Secondary line box, the harmful substance corrosion secondary connections such as the birds droppings produced, and the simple structure of existing GIS current transformer connection box, do not arrange special wire hole, Current Transformer Secondary spool directly passes from upper box cover.Therefore, Current Transformer Secondary spool is easily corroded by birds droppings, causes secondary loop of mutual inductor short circuit, open circuit defect, causes very big hidden danger to electric equipment safe operation.
Summary of the invention
The object of the invention is, provide GIS current transformer anti-bird terminal box, it can solve the deficiencies in the prior art.
The present invention for achieving the above object, be achieved through the following technical solutions: the anti-bird terminal box of GIS current transformer, comprise supporting plate, supporting plate fixedly mounts several screw rod, screw rod coordinates installation first nut and the second nut, upper box cover is set between the first nut and the second nut and touches with it respectively, between supporting plate and upper box cover, lower casing is set, lower casing lower end and supporting plate touch, inwall border, lower casing upper end arranges the first baffle plate, upper box cover lower end outer wall border arranges second baffle, first baffle plate is positioned at above second baffle, first baffle plate and second baffle are between lower casing and upper box cover.Several location hole is offered in the first described baffle plate lower end, second baffle upper end arranges several fixed lever, fixed lever is positioned at corresponding location hole, cross through hole offered by fixed lever, the first connecting hole is offered in the side of location hole, in first connecting hole, first connecting rod is installed, first connecting rod is installed the first spring, the opposite side of location hole offers the second connecting hole and location notch, in second connecting hole, second connecting rod is installed, second connecting rod is arranged the first tooth bar, in location notch, gear and the second tooth bar are installed, second tooth bar is arranged on third connecting rod, the length direction of third connecting rod length direction and second connecting rod is 90 °, gear engages with the first tooth bar and the second tooth bar respectively, one end of third connecting rod is connected with the second spring.One end that described first connecting rod is positioned at the first connecting hole is inclined-plane.Described second connecting rod is the conical surface near one end of location hole inwall.One end of described fixed lever arranges inclined-plane, and inclined-plane is two, is symmetrically distributed in the port position of the first connecting hole and the second connecting hole.The outer end of the first described connecting hole arranges boss, and first connecting rod arranges block.
The present invention arranges bolt on the supporting plate of terminal box, and regulated the position of upper box cover and lower casing by nut, lower casing is positioned on the supporting plate of upper box cover under gravity all the time, the height of upper box cover is regulated by nut, upper lower casing is closed all the time, and birds enter difficulty, and human manipulation is convenient.The present invention also sets out string holes on lower casing, and Current Transformer Secondary spool is positioned at box, reduces the corrosion of bird excrement, avoids causing secondary loop of mutual inductor short circuit, open circuit defect, decrease electric equipment operation hidden danger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the A-A line cutaway view along Fig. 2; Fig. 4 is I enlarged drawing of Fig. 3.
Reference numeral: 1 supporting plate 2 lower casing 3 upper box cover 4 line outlet 5 screw rod 6 first nut 7 second nut 8 fixed lever 9 location hole 10 cross through hole 11 second connecting rod 12 first connecting rod 13 second connecting hole 14 first connecting hole 15 location notch 16 gear 17 first tooth bar 18 third connecting rod 19 second tooth bar 20 first spring 21 boss 22 block 23 inclined-plane 24 conical surface 25 second spring 26 first baffle plate 27 second baffle.
Embodiment
Contrast accompanying drawing, the present invention will be further described.
The anti-bird terminal box of GIS current transformer comprises supporting plate 1, supporting plate 1 fixedly mounts several screw rod 5, screw rod 5 coordinates installation first nut 6 and the second nut 7, upper box cover 3 is set between first nut 6 and the second nut 7 and touches with it respectively, lower casing 2 is set between supporting plate 1 and upper box cover 3, lower casing 2 lower end and supporting plate 1 touch, inwall border, lower casing 2 upper end arranges the first baffle plate 26, upper box cover 3 lower end outer wall border arranges second baffle 27, first baffle plate 26 is positioned at above second baffle 27, first baffle plate 26 and second baffle 27 are between lower casing 2 and upper box cover 3.The height of upper box cover 3 can be regulated by nut according to the height of terminal, and lower casing 2 is positioned on the second baffle 27 of upper box cover 3 under gravity all the time, and birds enter difficulty, and staff only need lift lower casing 2 can open terminal box, handled easily.
The probability of terminal box is opened in order to reduce birds, reduce risk, several location hole 9 is offered in the first described baffle plate 26 lower end, second baffle 27 upper end arranges several fixed lever 8, fixed lever 8 is positioned at corresponding location hole 9, fixed lever 8 is offered cross through hole 10, the first connecting hole 14 is offered in the side of location hole 9, in first connecting hole 14, first connecting rod 12 is installed, first connecting rod 12 is installed the first spring 20, the opposite side of location hole 9 offers the second connecting hole 13 and location notch 15, in second connecting hole 13, second connecting rod 11 is installed, second connecting rod 11 is arranged the first tooth bar 17, in location notch 15, gear 16 and the second tooth bar 19 are installed, second tooth bar 19 is arranged on third connecting rod 18, the length direction of third connecting rod 18 length direction and second connecting rod 11 is 90 °, gear 16 engages with the first tooth bar 17 and the second tooth bar 19 respectively, one end of third connecting rod 18 is connected with the second spring 25.This structure can complete the locking of high strength, makes upper box cover 3 and lower casing 2 fixation, and operated by personnel is convenient, avoids birds to open terminal box simultaneously.When lower casing 2 is installed, the location hole 9 of the first baffle plate 26 lower end is pressed to the fixed lever 8 on second baffle 27, fixed lever 8 is made to insert in the location hole 9 of the first baffle plate 26, while fixed lever 8 enters location hole 9, second connecting rod 11 promotes left by the inclined-plane 23 on fixed lever 8, thus driven gear 16 rotates, while gear 16 rotates, drive on the second tooth bar 19 and move compression second spring 25, when second connecting rod 11 enters in cross through hole 10, second connecting rod 11 promotes the second tooth bar 19 and moves down under the reaction force of the second spring 25, driven gear 16 reverses simultaneously, the first tooth bar 17 reverse push power given by gear 16, second connecting rod 11 is made to be locked in cross through hole 10, make the first baffle plate 26 and second baffle 27 secure lock.During dismounting, promote first connecting rod 12 and move to left, second connecting rod 11 is moved to the left exit cross through hole 10 to unlock, upwards mentions lower casing 2 and lower casing 2 can be made to depart from upper box cover.The axle of gear 16 of the present invention arranges damper.
One end that described first connecting rod 12 is positioned at the first connecting hole 14 is inclined-plane, is convenient to advance and ejects second connecting rod 11.
In order to realize installing or removing faster, described second connecting rod 11 is the conical surface 24 near one end of location hole 9 inwall.
The lower end of fixed lever 4 of the present invention arranges inclined-plane 23, and inclined-plane 23 is two, and be symmetrically distributed in the port position of the first connecting hole 14 and the second connecting hole 13, its inclined-plane coordinates with the inclined-plane of first connecting rod 12 and second connecting rod 11, realizes fast assembling-disassembling further.
The outer end of the first connecting hole 14 of the present invention arranges boss 21, first connecting rod 12 is arranged block 22, to meet the first spring 20 compression energy.
Claims (6)
- The anti-bird terminal box of 1.GIS current transformer, it is characterized in that: comprise supporting plate (1), supporting plate (1) the several screw rod of upper fixed installation (5), screw rod (5) is upper coordinates installation first nut (6) and the second nut (7), upper box cover (3) is set between the first nut (6) and the second nut (7) and touches with it respectively, lower casing (2) is set between supporting plate (1) and upper box cover (3), lower casing (2) lower end and supporting plate (1) touch, inwall border, lower casing (2) upper end arranges the first baffle plate (26), upper box cover (3) lower end outer wall border arranges second baffle (27), first baffle plate (26) is positioned at second baffle (27) top, first baffle plate (26) and second baffle (27) are positioned between lower casing (2) and upper box cover (3).
- 2. the anti-bird terminal box of GIS current transformer according to claim 1, it is characterized in that: several location hole (9) is offered in described the first baffle plate (26) lower end, second baffle (27) upper end arranges several fixed lever (8), fixed lever (8) is positioned at corresponding location hole (9), fixed lever (8) is offered cross through hole (10), the first connecting hole (14) is offered in the side of location hole (9), in first connecting hole (14), first connecting rod (12) is installed, upper installation first spring (20) of first connecting rod (12), the opposite side of location hole (9) offers the second connecting hole (13) and location notch (15), in second connecting hole (13), second connecting rod (11) is installed, second connecting rod (11) is arranged the first tooth bar (17), in location notch (15), gear (16) and the second tooth bar (19) are installed, second tooth bar (19) is arranged on third connecting rod (18), the length direction of third connecting rod (18) length direction and second connecting rod (11) is 90 °, gear (16) engages with the first tooth bar (17) and the second tooth bar (19) respectively, one end of third connecting rod (18) is connected with the second spring (25).
- 3. the anti-bird terminal box of GIS current transformer according to claim 2, is characterized in that: one end that described first connecting rod (12) is positioned at the first connecting hole (14) is inclined-plane.
- 4. the anti-bird terminal box of GIS current transformer according to claim 2, is characterized in that: described second connecting rod (11) is the conical surface (24) near one end of location hole (9) inwall.
- 5. the anti-bird terminal box of GIS current transformer according to claim 2, it is characterized in that: one end of described fixed lever (8) arranges inclined-plane (23), inclined-plane (23) is two, is symmetrically distributed in the port position of the first connecting hole (14) and the second connecting hole (13).
- 6. the anti-bird terminal box of GIS current transformer according to claim 2, it is characterized in that: the outer end of described the first connecting hole (14) arranges boss (21), first connecting rod (12) is arranged block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701755.4A CN104377022B (en) | 2014-11-28 | 2014-11-28 | GIS current transformer anti-bird rosette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701755.4A CN104377022B (en) | 2014-11-28 | 2014-11-28 | GIS current transformer anti-bird rosette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377022A true CN104377022A (en) | 2015-02-25 |
| CN104377022B CN104377022B (en) | 2017-01-04 |
Family
ID=52555876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410701755.4A Active CN104377022B (en) | 2014-11-28 | 2014-11-28 | GIS current transformer anti-bird rosette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377022B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03227004A (en) * | 1990-01-31 | 1991-10-08 | Matsushita Electric Ind Co Ltd | Current transformer |
| US5864276A (en) * | 1996-08-29 | 1999-01-26 | Smiths Industries Public Limited Company | Current transformer assemblies |
| JPH11332037A (en) * | 1998-05-12 | 1999-11-30 | Takaoka Electric Mfg Co Ltd | Fixing structure for electrical lead |
| CN201256074Y (en) * | 2008-07-12 | 2009-06-10 | 厦门大一互科技有限公司 | Primary winding connecting terminal component for current transducer |
| CN201465746U (en) * | 2009-05-25 | 2010-05-12 | 重庆山城电器厂有限公司 | Connecting terminal box of current transformer for transformer with voltage of 35KV and above |
| CN201536054U (en) * | 2009-08-05 | 2010-07-28 | 大连北方互感器集团有限公司 | Indoor open/close type current transformer for electric locomotive |
| CN204178917U (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | The anti-bird terminal box of GIS current transformer |
-
2014
- 2014-11-28 CN CN201410701755.4A patent/CN104377022B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03227004A (en) * | 1990-01-31 | 1991-10-08 | Matsushita Electric Ind Co Ltd | Current transformer |
| US5864276A (en) * | 1996-08-29 | 1999-01-26 | Smiths Industries Public Limited Company | Current transformer assemblies |
| JPH11332037A (en) * | 1998-05-12 | 1999-11-30 | Takaoka Electric Mfg Co Ltd | Fixing structure for electrical lead |
| CN201256074Y (en) * | 2008-07-12 | 2009-06-10 | 厦门大一互科技有限公司 | Primary winding connecting terminal component for current transducer |
| CN201465746U (en) * | 2009-05-25 | 2010-05-12 | 重庆山城电器厂有限公司 | Connecting terminal box of current transformer for transformer with voltage of 35KV and above |
| CN201536054U (en) * | 2009-08-05 | 2010-07-28 | 大连北方互感器集团有限公司 | Indoor open/close type current transformer for electric locomotive |
| CN204178917U (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | The anti-bird terminal box of GIS current transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104377022B (en) | 2017-01-04 |
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