CN110767423B - Transformer respirator with optimized structure - Google Patents
Transformer respirator with optimized structure Download PDFInfo
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- CN110767423B CN110767423B CN201911110310.8A CN201911110310A CN110767423B CN 110767423 B CN110767423 B CN 110767423B CN 201911110310 A CN201911110310 A CN 201911110310A CN 110767423 B CN110767423 B CN 110767423B
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- cover
- end cover
- silica gel
- flanging
- limiting rods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a transformer respirator with an optimized structure, which comprises a conical upper end cover and a circular lower end cover, wherein a vertical eccentric shaft is fixed on the upper end surface of the lower end cover, the upper end of the eccentric shaft is inserted and fixed on the upper end cover, an upper flanging and a lower flanging are respectively formed at the lower end of the upper end cover and the upper end edge of the lower end cover, an annular silica gel outer cover is inserted between the upper flanging of the upper end cover and the lower flanging of the lower end cover, and the upper end and the lower end of the silica gel outer cover are respectively abutted against the upper flanging of the upper end cover and the lower flanging of the lower end cover; a plurality of horizontal limiting rods are fixed inside the silica gel outer cover, the eccentric shaft is inserted into the limiting rods, arc-shaped clamping grooves are formed in the side walls of the limiting rods, and the central shaft is clamped in the clamping grooves of the limiting rods. The invention modifies the structure of the prior respirator, does not need to disassemble the respirator when the allochroic silica gel in the respirator is replaced, and is convenient for replacing the allochroic silica gel in the respirator.
Description
The technical field is as follows:
the invention relates to the technical field of oil-immersed transformers, in particular to a transformer breather with an optimized structure.
Background art:
the basic structure of the transformer consists of a transformer body, an oil tank, a cooling device, a protection device, a wire outlet device and transformer oil. The oil tank comprises an oil tank body and accessories; the protection device comprises an oil conservator, an oil meter, a safety air passage, a respirator, a temperature measuring element, an oil purifier relay and the like. The respirator is also called a moisture absorber, the inside of the respirator is filled with an adsorbent, and the adsorbent is usually allochroic silica gel and has the functions of absorbing moisture in air and reducing oriented and oxidized transformer oil. The respirator passes through the tube coupling on the conservator, present respirator adopts bolt lug connection pipeline, and the allochroic silica gel in the respirator need change after adsorbing sufficient moisture, and the respirator need be lifted off from the pipeline to the change of present allochroic silica gel, dismantle each spare part of respirator again, if dismantle transformer oil cup, the glass between cutting silica gel dustcoat and the connection end cover glues and so on, it is comparatively loaded down with trivial details troublesome to change allochroic silica gel to need conveniently to change allochroic silica gel's respirator.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, and provides a transformer respirator with an optimized structure, which is convenient for replacing allochroic silica gel in the respirator.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a transformer respirator with an optimized structure comprises a conical upper end cover and a circular lower end cover, wherein a vertical central shaft is arranged between the upper end cover and the lower end cover, external threads are formed on the outer walls of two ends of the central shaft, a rectangular connecting flange is formed at the upper end of the upper end cover, mounting holes are formed at four corners of the connecting flange, a connecting support is formed in the middle of the connecting flange, the upper end of the central shaft is screwed on the connecting support, the lower end of the central shaft penetrates through the lower end cover, an oil cup inner cover and a gland and is screwed with nuts, the oil cup inner cover is clamped between the lower end cover and the gland, a vertical eccentric shaft is fixed on the upper end face of the lower end cover, the upper end of the eccentric shaft is fixedly inserted on the upper end cover, an upper flanging and a lower flanging are respectively formed at the lower end of the upper end cover and the upper end edge of the lower end cover, and a, the upper end and the lower end of the silica gel outer cover are respectively abutted against the upper flanging of the upper end cover and the lower flanging of the lower end cover; a plurality of horizontal limiting rods are fixed inside the silica gel outer cover, the eccentric shaft is inserted into the limiting rods, arc-shaped clamping grooves are formed in the side walls of the limiting rods, and the central shaft is clamped in the clamping grooves of the limiting rods.
Preferably, the limiting rods are at least two and are linearly and uniformly distributed on the inner wall of the silica gel outer cover.
Preferably, a vertical observation slot hole is formed in the outer wall of the silica gel outer cover, and an arc-shaped transparent panel covering the observation slot hole is fixed on the inner wall of the silica gel outer cover.
Preferably, a ventilating base plate is inserted into the lower end cover, and the upper end face of the base plate is flush with the upper end face of the lower turnover edge on the lower end cover.
Preferably, the arc radian of the clamping groove on the limiting rod is larger than that of a semicircle, and the arc radius of the clamping groove is equal to that of the central shaft.
Preferably, the outer walls of the upper end and the lower end of the silica gel outer cover are respectively provided with an annular retainer ring, a sealing groove is formed in the annular retainer ring of the silica gel outer cover, a sealing ring is inserted in the sealing groove of the annular retainer ring, and the sealing ring is pressed against the upper flanging of the upper end cover or the lower flanging of the lower end cover.
The invention has the beneficial effects that: it has carried out structural improvement to current respirator, when changing the silica gel that discolours in the respirator, need not to dismantle the respirator, does benefit to the change operation of the silica gel that discolours in the respirator.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present invention in partial cross-section;
FIG. 2 is a schematic view of the front view of the present invention in partial cross-section;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2.
In the figure: 1. an upper end cover; 1a, connecting a flange; 1b, connecting a bracket; 1c, mounting holes; 1d, turning over edges upwards; 2. a lower end cover; 2a, flanging downwards; 3. a central shaft; 4. an oil cup inner cover; 5. a gland; 6. a nut; 7. a silica gel outer cover; 7a, observing the slot; 7b, an annular retainer ring; 8. a transparent panel; 9. a limiting rod; 10. an eccentric shaft; 11. a backing plate.
The specific implementation mode is as follows:
example (b): referring to fig. 1, 2 and 3, a transformer respirator with an optimized structure comprises a conical upper end cover 1 and a circular lower end cover 2, wherein a vertical central shaft 3 is arranged between the upper end cover 1 and the lower end cover 2, external threads are formed on the outer walls of two ends of the central shaft 3, a rectangular connecting flange 1a is formed at the upper end of the upper end cover 1, mounting holes 1c are formed at four corners of the connecting flange 1a, a connecting support 1b is formed at the middle part of the connecting flange 1a, the upper end of the central shaft 3 is screwed on the connecting support 1b, the lower end of the central shaft 3 penetrates through the lower end cover 2, an oil cup 4 and a gland 5 and is screwed with a nut 6, the oil cup inner cover 4 is clamped between the lower end cover 2 and the gland 5, a vertical eccentric shaft 10 is fixed on the upper end surface of the lower end cover 2, the upper end of the eccentric shaft 10 is inserted and fixed on the upper end cover 1, an upper flanging 1d and a lower flanging 2 are respectively formed at the lower end, an annular silica gel outer cover 7 is inserted between the upper flanging 1d of the upper end cover 1 and the lower flanging 2a of the lower end cover 2, and the upper end and the lower end of the silica gel outer cover 7 are respectively abutted against the upper flanging 1d of the upper end cover 1 and the lower flanging 2a of the lower end cover 2; a plurality of horizontal limiting rods 9 are fixed inside the silica gel outer cover 7, the eccentric shaft 10 is inserted into the limiting rods 9, arc-shaped clamping grooves 9a are formed in the side walls of the limiting rods 9, and the central shaft 3 is clamped in the clamping grooves 9a of the limiting rods 9.
Preferably, the number of the limiting rods 9 is at least two, and the limiting rods 9 are linearly and uniformly distributed on the inner wall of the silica gel outer cover 7.
Preferably, a vertical observation slot hole 7a is formed on the outer wall of the silica gel outer cover 7, and a circular arc-shaped transparent panel 8 covering the observation slot hole 7a is fixed on the inner wall of the silica gel outer cover 7.
Preferably, a ventilated cushion plate 11 is inserted into the lower end cover 2, and the upper end surface of the cushion plate 11 is flush with the upper end surface of the lower flange 2a on the lower end cover 2.
Preferably, the arc radian of the clamping groove 9a on the limiting rod 9 is larger than that of a semicircle, and the arc radius of the clamping groove 9a is equal to that of the central shaft 3.
Preferably, the outer walls of the upper end and the lower end of the silica gel outer cover 7 are respectively provided with an annular retainer ring 7b, the annular retainer ring 7b of the silica gel outer cover 7 is provided with a sealing groove, a sealing ring is inserted in the sealing groove of the annular retainer ring 7b, and the sealing ring is pressed against the upper flange 1d of the upper end cover 1 or the lower flange 2a of the lower end cover 2.
The working principle is as follows: the invention is a transformer respirator with an optimized structure, which is characterized in that an eccentric shaft 10 and a limiting rod 9 are additionally arranged on the basis of the existing respirator, the limiting rod 9 is fixed on a silica gel outer cover 7, when the limiting rod 9 is clamped on a central shaft 3, the silica gel outer cover 7 is hermetically connected with an upper end cover 1 and a lower end cover 2, and water vapor can be prevented from directly entering the silica gel outer cover 7;
when the color-changing silica gel needs to be replaced, the silica gel outer cover 7 is rotated, the limiting rod 9 can be separated from the central shaft 3, the silica gel outer cover 7 can rotate around the eccentric shaft 10, the part of the silica gel outer cover 7 is moved out of the upper end cover 1 and the lower end cover 2, and the color-changing silica gel losing the water absorption effect can be discharged from the silica gel outer cover 7; when the allochroic silica gel losing the water absorption effect is poured, new allochroic silica gel is filled by using the lower side of the cover plate plugging silica gel outer cover 7, then the silica gel outer cover 7 is rotated, and the limiting rod 9 is clamped with the central shaft 3 and is installed in place.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (6)
1. The utility model provides a transformer respirator of configuration optimization, includes conical upper end cover (1) and circular shape lower extreme cover (2), is equipped with vertical center pin (3) between upper end cover (1) and lower extreme cover (2), and the shaping has the external screw thread on the outer wall at center pin (3) both ends, the upper end shaping of upper end cover (1) has flange (1a) of rectangle, and the four corners shaping of flange (1a) has mounting hole (1c), and the middle part shaping of flange (1a) has linking bridge (1b), and the upper end spiro union of center pin (3) is on linking bridge (1b), and the lower extreme of center pin (3) passes lower extreme cover (2), and oil cup inner cover (4) and gland (5) spiro union have nut (6), and oil cup (4) centre gripping is between lower extreme cover (2) and gland (5), its characterized in that: a vertical eccentric shaft (10) is fixed on the upper end face of the lower end cover (2), the upper end of the eccentric shaft (10) is inserted and fixed on the upper end cover (1), an upper flanging (1d) and a lower flanging (2a) are respectively formed at the lower end of the upper end cover (1) and the upper end edge of the lower end cover (2), a circular silica gel outer cover (7) is inserted between the upper flanging (1d) of the upper end cover (1) and the lower flanging (2a) of the lower end cover (2), and the upper end and the lower end of the silica gel outer cover (7) are respectively abutted against the upper flanging (1d) of the upper end cover (1) and the lower flanging (2a) of the lower end cover (2); a plurality of horizontal limiting rods (9) are fixed inside the silica gel outer cover (7), the eccentric shaft (10) is inserted into the limiting rods (9), arc-shaped clamping grooves (9a) are formed in the side walls of the limiting rods (9), and the central shaft (3) is clamped in the clamping grooves (9a) of the limiting rods (9).
2. The structurally optimized transformer respirator of claim 1, wherein: the limiting rods (9) are at least two, and the limiting rods (9) are linearly and uniformly distributed on the inner wall of the silica gel outer cover (7).
3. The structurally optimized transformer respirator of claim 1, wherein: a vertical observation slotted hole (7a) is formed in the outer wall of the silica gel outer cover (7), and a circular arc-shaped transparent panel (8) covering the observation slotted hole (7a) is fixed on the inner wall of the silica gel outer cover (7).
4. The structurally optimized transformer respirator of claim 1, wherein: a ventilated cushion plate (11) is inserted into the lower end cover (2), and the upper end surface of the cushion plate (11) is flush with the upper end surface of a lower flanging (2a) on the lower end cover (2).
5. The structurally optimized transformer respirator of claim 1, wherein: the arc radian of the clamping groove (9a) on the limiting rod (9) is larger than that of a semicircle, and the arc radius of the clamping groove (9a) is equal to that of the central shaft (3).
6. The structurally optimized transformer respirator of claim 1, wherein: all the shaping has annular retaining ring (7b) on the outer wall of upper and lower end of silica gel dustcoat (7), and the shaping has the seal groove on annular retaining ring (7b) of silica gel dustcoat (7), and it has the sealing washer to peg graft in the seal groove of annular retaining ring (7b), and the sealing washer presses on last turn-ups (1d) of upper end cover (1) or lower turn-ups (2a) of lower end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110310.8A CN110767423B (en) | 2019-11-14 | 2019-11-14 | Transformer respirator with optimized structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110310.8A CN110767423B (en) | 2019-11-14 | 2019-11-14 | Transformer respirator with optimized structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110767423A CN110767423A (en) | 2020-02-07 |
| CN110767423B true CN110767423B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911110310.8A Active CN110767423B (en) | 2019-11-14 | 2019-11-14 | Transformer respirator with optimized structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158275A (en) * | 2016-08-15 | 2016-11-23 | 国网山东省电力公司潍坊供电公司 | Transformer breather assembly |
| EP3154070A1 (en) * | 2015-10-08 | 2017-04-12 | SNCF Mobilités | Desiccator for immersed electrical device |
| CN107144119A (en) * | 2017-06-13 | 2017-09-08 | 淮阴师范学院 | A kind of grain drying of hot air flow self-interacting type |
| CN207149368U (en) * | 2017-07-31 | 2018-03-27 | 国网新疆电力公司巴州供电公司 | Transformer breather |
| CN208530379U (en) * | 2018-06-27 | 2019-02-22 | 宁波帅特龙集团有限公司 | A kind of unlocking structure of lift saucer |
| KR101951038B1 (en) * | 2018-12-14 | 2019-02-22 | 두원전력(주) | Moisture absorber for transformer preventing leakage of insulating oil |
| CN208903800U (en) * | 2018-11-02 | 2019-05-24 | 保定泓翔电力设备有限公司 | The non-maintaining intelligent moisture absorber of transformer |
-
2019
- 2019-11-14 CN CN201911110310.8A patent/CN110767423B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3154070A1 (en) * | 2015-10-08 | 2017-04-12 | SNCF Mobilités | Desiccator for immersed electrical device |
| CN106158275A (en) * | 2016-08-15 | 2016-11-23 | 国网山东省电力公司潍坊供电公司 | Transformer breather assembly |
| CN107144119A (en) * | 2017-06-13 | 2017-09-08 | 淮阴师范学院 | A kind of grain drying of hot air flow self-interacting type |
| CN207149368U (en) * | 2017-07-31 | 2018-03-27 | 国网新疆电力公司巴州供电公司 | Transformer breather |
| CN208530379U (en) * | 2018-06-27 | 2019-02-22 | 宁波帅特龙集团有限公司 | A kind of unlocking structure of lift saucer |
| CN208903800U (en) * | 2018-11-02 | 2019-05-24 | 保定泓翔电力设备有限公司 | The non-maintaining intelligent moisture absorber of transformer |
| KR101951038B1 (en) * | 2018-12-14 | 2019-02-22 | 두원전력(주) | Moisture absorber for transformer preventing leakage of insulating oil |
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| Publication number | Publication date |
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| CN110767423A (en) | 2020-02-07 |
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Effective date of registration: 20200806 Address after: No.2 Wansong Road, Yuhai street, Ruian City, Wenzhou City, Zhejiang Province 325200 Applicant after: Zhejiang jingxiaoer Network Technology Co., Ltd Address before: 310000 Room 1201, Building 268, Moganshan Road, Gongshu District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU YOUPU INFORMATION TECHNOLOGY Co.,Ltd. |
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