CN210182187U

CN210182187U - Transformer cooler convenient to overhaul

Info

Publication number: CN210182187U
Application number: CN201921101309.4U
Authority: CN
Inventors: Jun Du; 杜军; Yong Xu; 许勇; Chunming Mo; 莫春明
Original assignee: Wuxi Weikaide Pml Precision Mechanism Ltd
Current assignee: Wuxi Weikaide Pml Precision Mechanism Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-24
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a cooler for transformer convenient to overhaul, including lower shrouding, transformer main part, outer quick-witted case and last shrouding, install a body on the preceding lateral wall of outer machine case, and the inside of the door body inlays and have control panel, shrouding, lower shrouding are installed respectively to the upper and lower both ends of outer machine case, the central point on shrouding top puts the department and is fixed with the rubber backing plate down, the left and right sides of transformer main part all is provided with the heat transfer board, the opposite side of heat transfer board is all attached with the condenser pipe, be fixed with the water pump on the outer incasement wall of transformer main part rear side, all install temperature sensor on the two inside walls of the left and right sides of outer machine case. This cooler for transformer convenient to overhaul, the outside and inside dismouting of not only being convenient for makes things convenient for inside monitoring, has improved the maintenance efficiency of cooler for transformer, improves heat transfer, cooling efficiency moreover to enlarge suitable environment, improved the work efficiency of cooler for transformer.

Description

Transformer cooler convenient to overhaul

Technical Field

The utility model relates to a transformer cooling technology field specifically is a cooler for transformer convenient to overhaul.

Background

In actual use, in order to improve the continuous operation performance of the transformer, a cooler of a certain specification is generally required to be arranged in the transformer, and common cooling methods for the transformer include an oil cooling type and an air cooling type.

However, the existing cooling machine for the transformer still has certain problems, and the specific problems are as follows:

1. in the prior art, transformers are mostly of an integrated structure, the internal and external structures of the transformers are inconvenient to disassemble and assemble, and meanwhile, a monitoring mechanism for each cooling area is lacked, so that the transformers are inconvenient to overhaul at a later stage;

2. the cooling mechanism for the general transformer is single, the cooling efficiency is insufficient, and the application environment of the partial oil cooling type cooling machine is narrow due to the lack of a pressure reduction device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a transformer cooler convenient to overhaul possesses advantages such as maintenance efficiency height and cooling efficiency are strong, has solved the later stage of being not convenient for and has overhauld and the not enough problem of actual cooling efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a cooling machine for a transformer convenient to overhaul comprises a lower sealing plate, a transformer main body, an outer case and an upper sealing plate, wherein a door body is installed on the front side wall of the outer case, a control panel is embedded in the door body, the upper sealing plate and the lower sealing plate are respectively installed at the upper end and the lower end of the outer case, the edge positions of the lower sealing plate and the upper sealing plate are fixedly connected with the outer case through fastening bolts, a rubber base plate is fixed at the central position of the top end of the lower sealing plate, the transformer main body is installed at the central position of the top end of the rubber base plate, heat exchange plates are arranged on the left side and the right side of the transformer main body, one sides of the heat exchange plates are in mutual contact with the outer side wall of the transformer main body, condensation pipes are attached to the other sides of the heat exchange plates, the tops of the condensation pipes are mutually communicated, a water pump is fixed on the inner wall of the outer case on the rear side of the transformer, temperature sensors are mounted on the left inner side wall and the right inner side wall of the outer case, and heat dissipation fans are fixed on the inner walls of the outer case on the upper side and the lower side of each temperature sensor.

Preferably, the edge positions of the lower sealing plate, the transformer main body and the outer case are all stepped structures, and the lower sealing plate, the transformer main body and the outer case are clamped with each other.

Preferably, the heat exchange plate is of a hollow structure, and the side area of the heat exchange plate is larger than that of the transformer main body.

Preferably, the bottom end of the upper sealing plate at the position of the heat exchange plate is fixed with an oil conservator, and the front end and the rear end of the bottom of the oil conservator are communicated with the top of the heat exchange plate through oil guide pipes.

Preferably, the side surfaces of the condensing pipes are in an S-shaped structure, and a nested structure is formed between the heat exchange plate and the left and right groups of condensing pipes.

Preferably, the left and right outer side walls of the outer casing are provided with radiating fins at equal intervals, and the radiating fins are vertically distributed with respect to the outer casing.

(III) advantageous effects

Compared with the prior art, the utility model provides a transformer cooler convenient to overhaul possesses following beneficial effect:

1. according to the cooler for the transformer convenient to overhaul, the lower sealing plate, the transformer main body and the outer box are mutually clamped and connected through the stepped structure and fixedly connected through the fastening bolts, so that the cooler is convenient to externally disassemble and assemble, the cooler is convenient to internally disassemble and assemble through the nested structure between the heat exchange plate and the condensation pipe, and the cooler is convenient to internally monitor through the temperature sensor and the control panel on the door body, so that the overhaul efficiency of the cooler for the transformer is improved;

2. this cooler for transformer convenient to overhaul because the heat transfer board is hollow structure, and the side area of heat transfer board is greater than the side area of transformer main part, improves heat exchange efficiency to communicate each other through oil pipe and heat transfer board, enlarge suitable environment, and through the condenser pipe that sets up the S-shaped structure, radiator fan and the radiating fin of equidistant distribution, form multiple cooling structure, thereby improved the work efficiency of cooler for transformer.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the condenser tube of the present invention;

fig. 4 is a schematic view of the system flow of the present invention.

In the figure: 1. a lower sealing plate; 2. a rubber pad; 3. a transformer body; 4. a heat exchange plate; 5. a condenser tube; 6. a heat radiation fan; 7. a temperature sensor; 8. a heat dissipating fin; 9. an outer chassis; 10. tightening the bolt; 11. an upper sealing plate; 12. an oil conservator; 13. an oil guide pipe; 14. a door body; 15. a control panel; 16. a water pump; 17. a catheter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a transformer cooler convenient to overhaul comprises a lower sealing plate 1, a transformer main body 3, an outer case 9 and an upper sealing plate 11, wherein a door body 14 is installed on the front side wall of the outer case 9, a control panel 15 is embedded in the door body 14, the type of the control panel 15 can be DL203, the upper sealing plate 11 and the lower sealing plate 1 are installed at the upper end and the lower end of the outer case 9 respectively, the edge positions of the lower sealing plate 1 and the upper sealing plate 11 are fixedly connected with the outer case 9 through fastening bolts 10, a rubber base plate 2 is fixed at the central position of the top end of the lower sealing plate 1, the transformer main body 3 is installed at the central position of the top end of the rubber base plate 2, heat exchange plates 4 are arranged on the left side and the right side of the transformer main body 3, one sides of the heat exchange plates 4 are in mutual contact with the outer side wall of the transformer main body 3, condensing tubes 5 are attached to the other sides of the heat exchange, a water pump 16 is fixed on the inner wall of the outer box 9 at the rear side of the transformer main body 3, the type of the water pump 16 can be 150QJ20-54/9, the input end of the water pump 16 is electrically connected with the output end of the PLC inside the control panel 15, the input end and the output end of the water pump 16 are communicated with the bottom of the condenser pipe 5 through a liquid guide pipe 17, temperature sensors 7 are installed on the left inner side wall and the right inner side wall of the outer box 9, the type of the temperature sensors 7 can be PT100, the output ends of the temperature sensors 7 are electrically connected with the input end of the PLC inside the control panel 15, heat dissipation fans 6 are fixed on the inner walls of the outer box 9 at the upper side and the lower side of the temperature sensors 7, the type of the heat dissipation fans 6 can be ZK20, and the input ends of the heat dissipation fans 6 are electrically connected with the output.

Like in fig. 1 down shrouding 1, transformer body 3 and the border position department of outer quick-witted case 9 all be the notch cuttype structure, and lower shrouding 1, transformer body 3 and the mutual joint between the outer quick-witted case 9, the dismouting of the exterior structure of being convenient for.

As shown in fig. 1 and 2, the heat exchange plate 4 is a hollow structure, and the side area of the heat exchange plate 4 is larger than that of the transformer body 3, so that the heat exchange efficiency is improved.

As shown in fig. 1 and 2, the bottom end of the upper sealing plate 11 at the position of the heat exchange plate 4 is fixed with the oil conservator 12, and the front end and the rear end of the bottom of the oil conservator 12 are communicated with the top of the heat exchange plate 4 through the oil guide pipe 13, so as to adjust the oil pressure and expand the applicable environment.

As shown in FIG. 3, the side surface of the condensing tube 5 is S-shaped, and a nested structure is formed between the heat exchange plate 4 and the left and right sets of condensing tubes 5, the former is used for increasing the contact area, and the latter is convenient for dismounting the inner structure.

As shown in fig. 1, the left and right outer side walls of the outer case 9 are provided with the heat dissipation fins 8 at equal intervals, and the heat dissipation fins 8 are vertically distributed with respect to the outer case 9 for fast and uniform heat dissipation.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the transformer main body 3 is used, firstly, as shown in attached

drawings

1 and 2, a nested structure is formed between the heat exchange plate 4 and the condenser pipe 5, so that the disassembly and assembly of the surrounding structure of the transformer main body 3 are facilitated, and then, the lower sealing plate 1, the transformer main body 3 and the edge position of the outer case 9 are all in a step-shaped structure, so that the mutual clamping among the three is realized, and the lower sealing plate, the transformer main body and the outer case are fixedly connected through the fastening bolt 10, so that the disassembly and assembly of the outer structure are facilitated, meanwhile, the temperature sensor 7 monitors the internal temperature of the outer case 9 in real time, and the detection data is displayed externally through the control panel 15, so that a;

in addition, as shown in fig. 1, because the heat exchange plate 4 is a hollow structure, and the side area of the heat exchange plate 4 is larger than the side area of the transformer body 3, the heat exchange efficiency of the oil inside the heat exchange plate 4 to the transformer body 3 is improved, wherein, as shown in fig. 2 and fig. 3, because the oil guide pipe 13 is communicated with the heat exchange plate 4, the liquid level of the oil correspondingly rises inside the oil conservator 12 along with the rise of the oil temperature, thereby relieving the internal pressure and avoiding damage, meanwhile, under the control of the PLC controller inside the control panel 15, the water pump 16 continuously works, the cooling liquid inside the condensing pipe 5 is circularly pumped through the liquid guide pipe 17, so that the condensing pipe 5 with the S-shaped structure rapidly cools the heat exchange plate 4, meanwhile, as shown in fig. 1, the heat radiation fan 6 and the heat radiation fins 8 distributed at equal intervals form a double auxiliary cooling structure, thereby further improving the working efficiency of the cooling machine for, and finally, completing the whole work of the cooling machine for the transformer convenient to overhaul.

In conclusion, the transformer cooler convenient to overhaul is convenient for external and internal disassembly and assembly, facilitates internal monitoring, improves overhaul efficiency of the transformer cooler, improves heat exchange and cooling efficiency, enlarges applicable environment and improves working efficiency of the transformer cooler.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooler for transformer convenient to overhaul, includes shrouding (1), transformer main part (3), outer quick-witted case (9) and last shrouding (11) down, its characterized in that: the transformer comprises an outer case (9), a door body (14) is installed on the front side wall of the outer case (9), a control panel (15) is embedded inside the door body (14), an upper sealing plate (11) and a lower sealing plate (1) are installed at the upper end and the lower end of the outer case (9) respectively, the edge positions of the upper sealing plate (1) and the lower sealing plate (11) are fixedly connected with the outer case (9) through fastening bolts (10), a rubber base plate (2) is fixed at the center position of the top end of the lower sealing plate (1), a transformer main body (3) is installed at the center position of the top end of the rubber base plate (2), heat exchange plates (4) are arranged on the left side and the right side of the transformer main body (3), one sides of the heat exchange plates (4) are in mutual contact with the outer side wall of the transformer main body (3), condensing tubes (5) are attached to the other sides of the heat exchange plates (4), be fixed with water pump (16) on the outer quick-witted case (9) inner wall of transformer main part (3) rear side, and the input of water pump (16) all communicates with each other through the bottom of catheter (17) and condenser pipe (5) with the output, all install temperature sensor (7) on two inside walls of the left and right sides of outer machine case (9), and all be fixed with cooling fan (6) on the outer quick-witted case (9) inner wall of both sides about temperature sensor (7).

2. The easy-to-service transformer cooler of claim 1, wherein: the edge positions of the lower sealing plate (1), the transformer main body (3) and the outer case (9) are all in a step structure, and the lower sealing plate (1), the transformer main body (3) and the outer case (9) are mutually clamped.

3. The easy-to-service transformer cooler of claim 1, wherein: the heat exchange plate (4) is of a hollow structure, and the side area of the heat exchange plate (4) is larger than that of the transformer main body (3).

4. The easy-to-service transformer cooler of claim 1, wherein: the bottom end of an upper sealing plate (11) at the position of the heat exchange plate (4) is fixed with an oil conservator (12), and the front end and the rear end of the bottom of the oil conservator (12) are communicated with the top of the heat exchange plate (4) through oil guide pipes (13).

5. The easy-to-service transformer cooler of claim 1, wherein: the side surfaces of the condensing pipes (5) are of S-shaped structures, and nested structures are formed between the heat exchange plates (4) and the left and right groups of condensing pipes (5).

6. The easy-to-service transformer cooler of claim 1, wherein: the left outer side wall and the right outer side wall of the outer case (9) are provided with radiating fins (8) at equal intervals, and the radiating fins (8) are vertically distributed relative to the outer case (9).