CN116779286A - Cooling anti-resistance structure for dry type transformer - Google Patents

Cooling anti-resistance structure for dry type transformer Download PDF

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Publication number
CN116779286A
CN116779286A CN202310932835.XA CN202310932835A CN116779286A CN 116779286 A CN116779286 A CN 116779286A CN 202310932835 A CN202310932835 A CN 202310932835A CN 116779286 A CN116779286 A CN 116779286A
Authority
CN
China
Prior art keywords
protection box
dry
type transformer
block
cooling
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.)
Pending
Application number
CN202310932835.XA
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Chinese (zh)
Inventor
孙方川
李超凡
邹金桥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tongan Transformer Co ltd
Original Assignee
Tianjin Tongan Transformer Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Tongan Transformer Co ltd filed Critical Tianjin Tongan Transformer Co ltd
Priority to CN202310932835.XA priority Critical patent/CN116779286A/en
Publication of CN116779286A publication Critical patent/CN116779286A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a cooling anti-resistance structure for a dry-type transformer, which relates to the technical field of cooling for resisting external force extrusion damage and comprises a dry-type transformer body. This a cooling anti-structure for dry-type transformer compares with the damaged cooling of current ordinary anti-external force extrusion, when the external force extrusion dry-type transformer body appears in the apron top, carries out the resistance to compression through second protection box and apron earlier, when pressure too big, when the apron extrusion was to first protection box, through the flexible piece of bottom and damping spring cooperation external force buffering, play the ability of reinforcing resistance to compression.

Description

Cooling anti-resistance structure for dry type transformer
Technical Field
The invention relates to the technical field of cooling for resisting external force extrusion damage, in particular to a cooling anti-resistance structure for a dry-type transformer.
Background
The dry type transformer and the oil immersed type transformer are the two most used types of transformers, and the dry type transformer is simply referred to as a transformer with iron cores and windings not immersed in insulating oil, and compared with the oil immersed type transformer, the dry type transformer has better fireproof performance and is widely used in places with higher fireproof requirements such as local illumination, high-rise buildings, airports and the like. In recent years, dry-type transformers have been rapidly developed worldwide, and particularly in distribution transformers, the proportion of dry-type transformers is increasing; at present, china becomes the country with the largest dry variable yield sales in the world. At present, the dry type transformer can emit heat in the use process, and meanwhile, the dry type transformer is easy to damage when being extruded, so that a protection box which can cool the dry type transformer and can protect the dry type transformer from external force extrusion is needed at present.
The application number is 202111439116.1, the dry-type transformer cooling device comprises a dry-type transformer body, a first partition plate surrounding the dry-type transformer body to form a first cavity, a second partition plate surrounding the first partition plate to form a second cavity, a mounting seat arranged at the bottom of the first cavity, a fixing groove arranged in the mounting seat, a fixing block connected in the fixing groove, and a top part of the fixing block fixedly connected with the bottom of the dry-type transformer body; the first cavity is provided with a heat radiation mechanism, the heat radiation mechanism comprises two symmetrically arranged heat radiation fans and a fan base, the fan base is fixed at the top end of the first cavity, the two heat radiation fans are arranged on the fan base, the two heat radiation fans are all used for blowing and radiating towards the lower end vertically, and the first cavity is provided with a heat radiation channel for exhausting to the outside; the air outlet has been seted up to first cavity, and first cavity and second cavity are switched on each other through the air outlet, be provided with refrigerating plant in the second cavity, but this design has set up good cooling function, but has only set up the protection box in the aspect of protecting anti extrusion in the dry-type transformer body outside to can not be good protect the dry-type transformer body.
Accordingly, in view of the above, an improvement of the existing structure is proposed to provide a cooling and anti-aging structure for a dry-type transformer.
Disclosure of Invention
The invention aims to provide a cooling anti-resistance structure for a dry-type transformer, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cooling anti-structure for dry-type transformer, includes the dry-type transformer body, the dry-type transformer body outside is provided with first protection box, and dry-type transformer body bottom fixed mounting in first protection box inner wall upper surface, surface fixed mounting has the flexible piece under the first protection box outside, and the flexible piece outside is provided with damping spring, flexible piece bottom is provided with the second protection box, and flexible piece bottom fixed mounting is in the inside upper surface of second protection box.
Preferably, the heat dissipation holes are formed in the three sides of the first protection box, the fan holes are formed in the three sides of the second protection box, and fan equipment is arranged in the fan holes.
Preferably, a clamping groove is formed in one side of the upper surface of the top of the second protection box, a hinge is fixedly arranged on the other side of the top of the second protection box, and a cover plate is fixedly arranged at the other end of the hinge.
Preferably, the upper surface of one side of the cover plate is provided with a clamping block, a cavity is formed in the clamping block, a rotating shaft is arranged in the cavity, and a buckle is fixedly arranged on the upper surface of the rotating shaft.
Preferably, the upper surface of the buckle is provided with a sliding groove, the sliding groove is internally provided with a sliding block, and the upper surface of the sliding block is fixedly provided with a connecting rod.
Preferably, the end part of the connecting rod is fixedly provided with a lifting block, the upper surface of the lifting block is fixedly provided with a drawing rod, the outer side of the drawing rod is provided with a telescopic spring, and the top end of the drawing rod is fixedly provided with a drawing block.
Preferably, the control device is installed to second protection box one side, and first circuit groove has been seted up to second protection box one side internal surface, second circuit groove has been seted up to first protection box one side surface, and first protection box internal surface installs temperature sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the dry type transformer body is arranged in the first protection box through the arrangement of the damping springs, after the cover plate is covered, when external force appears above the cover plate to extrude the dry type transformer body, the second protection box and the cover plate are used for compression resistance, when the pressure is overlarge, the cover plate is extruded to the first protection box, and when the telescopic block at the bottom is matched with the damping springs, the external force is buffered, so that the compression resistance is enhanced;
2. according to the invention, the cover plate is combined through the arrangement of the clamping blocks, the cover plate is pressed by external force, the buckle is contracted into the cavity under the pressure of the edge of the clamping groove until the buckle enters the clamping groove, then the lifting block is pushed downwards through the telescopic spring, then the lifting block slides in the sliding groove through the sliding block at the end part of the connecting rod at the side edge, and the buckle is extruded out again, so that the clamping groove is clamped, and the effect of facilitating clamping is achieved;
3. according to the invention, through the arrangement of the first circuit groove and the second circuit groove, the circuits of the temperature sensor, the dry-type transformer body and the fan device are arranged in the first circuit groove and the second circuit groove and are electrically connected with the control device, so that the effect of preventing the circuits from being extruded and broken when the first protection box descends and resists compression is achieved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the engaging block according to the present invention;
fig. 4 is a schematic side view of the internal structure of the present invention.
In the figure: 1. a dry-type transformer body; 2. a first protective case; 3. a telescopic block; 4. a damping spring; 5. a second protective case; 6. a heat radiation hole; 7. a fan hole; 8. a fan device; 9. a clamping groove; 10. a hinge; 11. a cover plate; 12. a clamping block; 13. a cavity; 14. a rotating shaft; 15. a buckle; 16. a chute; 17. a slide block; 18. a connecting rod; 19. a lifting block; 20. a pull rod; 21. a telescopic spring; 22. a drawing block; 23. a control device; 24. a first line tank; 25. a second line slot; 26. a temperature sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, a cooling anti-resistance structure for a dry-type transformer comprises a dry-type transformer body 1, a first protection box 2 is arranged on the outer side of the dry-type transformer body 1, the bottom of the dry-type transformer body 1 is fixedly installed on the upper surface of the inner wall of the first protection box 2, a telescopic block 3 is fixedly installed on the lower surface of the outer side of the first protection box 2, a damping spring 4 is arranged on the outer side of the telescopic block 3, a second protection box 5 is arranged on the bottom of the telescopic block 3, the bottom of the telescopic block 3 is fixedly installed on the inner upper surface of the second protection box 5, a heat dissipation hole 6 is formed in three sides of the first protection box 2, fan holes 7 are formed in three sides of the second protection box 5, fan equipment 8 is installed in the fan holes 7, a clamping groove 9 is formed in one side of the upper surface of the top of the second protection box 5, a hinge 10 is fixedly installed on the other side of the top of the second protection box 5, a cover plate 11 is fixedly installed on the other end of the hinge 10, a clamping block 12 is installed on the upper surface of one side of the cover plate 11, a cavity 13 is internally provided with a rotating shaft 14, and a clamping 15 is fixedly installed in the inner side of the cavity 13, and a clamping shaft 15 is fixedly installed on the upper surface of the rotating shaft 14
Further, the heat dissipation holes 6 are formed in the three sides of the first protection box 2, the fan holes 7 are formed in the three sides of the second protection box 5, fan equipment 8 is mounted in the fan holes 7, and heat generated in the first protection box 2 is discharged from the heat dissipation holes 6 through the fan equipment 8.
Further, a clamping groove 9 is formed in one side of the upper surface of the top of the second protection box 5, a hinge 10 is fixedly arranged on the other side of the top of the second protection box 5, a cover plate 11 is fixedly arranged at the other end of the hinge 10, and the cover plate 11 can be driven to rotate and clamp by the hinge 10.
Further, the upper surface of one side of the cover plate 11 is provided with the clamping block 12, the inside of the clamping block 12 is provided with the cavity 13, the inside of the cavity 13 is provided with the rotating shaft 14, the upper surface of the rotating shaft 14 is fixedly provided with the buckle 15, the inside of the clamping block 12 is provided with the cavity 13, and meanwhile, the inside of the cavity 13 is provided with the rotating shaft 14, so that the rotation of the buckle 15 is facilitated through the rotating shaft 14.
As shown in fig. 3-4, the upper surface of the buckle 15 is provided with a chute 16, a sliding block 17 is arranged in the chute 16, a connecting rod 18 is fixedly arranged on the upper surface of the sliding block 17, a lifting block 19 is fixedly arranged at the end part of the connecting rod 18, a drawing rod 20 is fixedly arranged on the upper surface of the lifting block 19, a telescopic spring 21 is arranged on the outer side of the drawing rod 20, a drawing block 22 is fixedly arranged at the top end of the drawing rod 20, a control device 23 is arranged on one side of the second protection box 5, a first line groove 24 is arranged on the inner surface of one side of the second protection box 5, a second line groove 25 is arranged on the outer surface of one side of the first protection box 2, a temperature sensor 26 is arranged on the inner surface of the first protection box 2,
further, the sliding groove 16 is formed in the upper surface of the buckle 15, the sliding block 17 is arranged in the sliding groove 16, the connecting rod 18 is fixedly arranged on the upper surface of the sliding block 17, the lifting block 19 is fixedly arranged at the end part of the connecting rod 18, the drawing rod 20 is fixedly arranged on the upper surface of the lifting block 19, the telescopic spring 21 is arranged on the outer side of the drawing rod 20, the drawing block 22 is fixedly arranged at the top end of the drawing rod 20, when the cover plate 11 needs to be opened, the drawing block 22 is pulled up, the drawing block 22 drives the drawing rod 20 to lift up together, so that the lifting block 19 is driven to lift, the sliding block 17 is driven to slide in the sliding groove 16 through the connecting rod 18, the buckle 15 is retracted into the cavity 13, and then the cover plate 11 can be opened.
Further, the control device 23 is installed on one side of the second protection box 5, the first line groove 24 is formed in the inner surface of one side of the second protection box 5, the second line groove 25 is formed in the outer surface of one side of the first protection box 2, the temperature sensor 26 is installed on the inner surface of the first protection box 2, the temperature sensor 26, the dry-type transformer body 1 and the circuits of the fan device 8 are installed in the first line groove 24 and the second line groove 25 and are electrically connected with the control device 23, and the effect of preventing the circuits from being extruded and broken when the first protection box 2 descends to resist pressure is achieved.
Working principle: when the cooling anti-resistance structure for the dry-type transformer is used, firstly, the dry-type transformer body 1 is installed inside the first protection box 2, after the cover plate 11 is covered, when external force is applied to extrude the dry-type transformer body 1 above the cover plate 11, compression resistance is carried out between the second protection box 5 and the cover plate 11, when the pressure is overlarge, the cover plate 11 is extruded to the first protection box 2, external force buffering is carried out through the matching of the telescopic block 3 at the bottom and the damping spring 4, the capacity of enhancing compression resistance is achieved, when the cover plate 11 is combined, the cover plate 11 is pressed by the external force, the buckle 15 is contracted into the cavity 13 under the pressure of the edge part of the clamping groove 9 until the buckle 15 enters the clamping groove 9, then the lifting block 19 is pushed downwards by the telescopic spring 21, then the lifting block 19 slides in the sliding groove 16 through the sliding block 17 at the end part of the connecting rod 18 at the side, the buckle 15 is extruded out again, thereby playing the role of being convenient to clamp in the clamping groove 9, the circuit of the temperature sensor 26, the dry-type transformer body 1 and the fan device 8 is installed in the first circuit groove 24 and the second circuit groove 25 and electrically connected with the first circuit groove 25, and the cooling anti-resistance structure is used for preventing the cooling structure from being broken when the cooling structure is electrically connected with the first circuit 2.

Claims (7)

1. The utility model provides a cooling anti-structure for dry-type transformer, includes dry-type transformer body (1), its characterized in that, dry-type transformer body (1) outside is provided with first protection box (2), and dry-type transformer body (1) bottom fixed mounting in first protection box (2) inner wall upper surface, first protection box (2) outside lower surface fixed mounting has flexible piece (3), and flexible piece (3) outside is provided with damping spring (4), flexible piece (3) bottom is provided with second protection box (5), and flexible piece (3) bottom fixed mounting in the inside upper surface of second protection box (5).
2. The cooling anti-resistance structure for the dry-type transformer according to claim 1, wherein heat dissipation holes (6) are formed in three sides of the first protection box (2), fan holes (7) are formed in three sides of the second protection box (5), and fan equipment (8) is mounted in the fan holes (7).
3. The cooling anti-resistance structure for the dry-type transformer according to claim 1, wherein a clamping groove (9) is formed in one side of the upper surface of the top of the second protection box (5), a hinge (10) is fixedly arranged on the other side of the top of the second protection box (5), and a cover plate (11) is fixedly arranged at the other end of the hinge (10).
4. A cooling anti-resistance structure for a dry-type transformer according to claim 3, wherein a clamping block (12) is mounted on one side of the cover plate (11), a cavity (13) is formed in the clamping block (12), a rotating shaft (14) is mounted in the cavity (13), and a buckle (15) is fixedly mounted on the upper surface of the rotating shaft (14).
5. The cooling anti-resistance structure for the dry-type transformer according to claim 4, wherein a sliding groove (16) is formed in the upper surface of the buckle (15), a sliding block (17) is mounted in the sliding groove (16), and a connecting rod (18) is fixedly mounted on the upper surface of the sliding block (17).
6. The cooling anti-resistance structure for the dry-type transformer according to claim 5, wherein a lifting block (19) is fixedly arranged at the end part of the connecting rod (18), a drawing rod (20) is fixedly arranged on the upper surface of the lifting block (19), a telescopic spring (21) is arranged on the outer side of the drawing rod (20), and a drawing block (22) is fixedly arranged at the top end of the drawing rod (20).
7. The cooling anti-resistance structure for a dry-type transformer according to claim 1, wherein a control device (23) is installed on one side of the second protection box (5), a first line groove (24) is formed in the inner surface of one side of the second protection box (5), a second line groove (25) is formed in the outer surface of one side of the first protection box (2), and a temperature sensor (26) is installed on the inner surface of the first protection box (2).
CN202310932835.XA 2023-07-27 2023-07-27 Cooling anti-resistance structure for dry type transformer Pending CN116779286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310932835.XA CN116779286A (en) 2023-07-27 2023-07-27 Cooling anti-resistance structure for dry type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310932835.XA CN116779286A (en) 2023-07-27 2023-07-27 Cooling anti-resistance structure for dry type transformer

Publications (1)

Publication Number Publication Date
CN116779286A true CN116779286A (en) 2023-09-19

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ID=87993135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310932835.XA Pending CN116779286A (en) 2023-07-27 2023-07-27 Cooling anti-resistance structure for dry type transformer

Country Status (1)

Country Link
CN (1) CN116779286A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118315161A (en) * 2024-05-28 2024-07-09 海安美物菲斯物联网科技有限公司 A high voltage dry-type transformer with protection function
CN119230248A (en) * 2024-12-03 2024-12-31 江苏卓海电气装备有限公司 A transformer dehumidifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118315161A (en) * 2024-05-28 2024-07-09 海安美物菲斯物联网科技有限公司 A high voltage dry-type transformer with protection function
CN118315161B (en) * 2024-05-28 2024-12-27 安徽省万企天成科技有限公司 High-voltage dry-type transformer with protection function
CN119230248A (en) * 2024-12-03 2024-12-31 江苏卓海电气装备有限公司 A transformer dehumidifier

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