CN219123066U

CN219123066U - Non-encapsulated dry type power transformer winding heat dissipation device

Info

Publication number: CN219123066U
Application number: CN202223424813.2U
Authority: CN
Inventors: 周芳; 郑炜; 马建腾
Original assignee: Tianjin Huaneng Transformer Co ltd
Current assignee: Tianjin Huaneng Transformer Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-02
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the field of transformer equipment and discloses a non-encapsulated dry-type power transformer winding heat dissipation device which comprises a device box, wherein one side of the device box is movably connected with a mounting plate, the front surface of the device box is fixedly provided with an exhaust fan, the inner wall of the device box is movably connected with a protective shell, the inner wall of the protective shell is fixedly connected with sound-absorbing cotton, and the inner wall of the protective shell is fixedly connected with a winding body. This non-encapsulation dry-type power transformer winding heat abstractor through device box, mounting panel, heat dissipation net, exhaust fan, hinge and door plant that set up, can make the device possess the effect that the practicality is high, utilizes exhaust fan to be with the inside quick discharge of heat because of winding body structure produces of device box, and the inside moisture of device box is still followed to the exhaust, and the heat dissipation net can guarantee the connectivity of air to this can possess the dehumidification effect in the time of making the heat dissipation, has improved holistic practicality and work simplicity, has satisfied people's user demand.

Description

Non-encapsulated dry type power transformer winding heat dissipation device

Technical Field

The utility model relates to the field of transformer equipment, in particular to a non-encapsulated dry type power transformer winding heat dissipation device.

Background

Because the dry transformer has the advantages of small volume, low loss, safety, reliability and the like, the dry transformer is rapidly developed in recent years and is widely applied to places with higher requirements on fire prevention and safety, such as high-rise buildings, commercial centers, petroleum, chemical industry and the like. With the development of society, the capacity requirement of dry-type transformers is also higher and higher, so that the problems of heating and cooling are also getting more and more attention. In the transformer, the iron core and the winding are main heating bodies, and heat generated by the iron core and the winding can raise the temperature of surrounding medium besides the self temperature, and especially, the insulation is damaged too early due to the local temperature rise, so that the service life of the transformer is greatly reduced.

In the chinese utility model patent: the heat dissipation device for the non-encapsulated dry-type power transformer winding comprises a device box, wherein an air hole is formed in one side of the device box, soundproof cotton is arranged in an interlayer of the device box, a water tank is fixedly connected to the upper surface of the device box, and a water pump is fixedly connected to one side of the water tank. The active carbon can absorb moisture in the dry-type transformer, so that the service life of the dry-type transformer is prolonged, the active carbon in the storage box can fall into the drawer due to the arrangement of the drawing bar, and the active carbon can be replaced and used conveniently. The setting of device box is convenient to adorn dry-type transformer, and the setting of bleeder vent makes the inside circulation of air of device box increase the cooling nature, and the setting of soundproof cotton makes dry-type transformer during operation have the effect of making an uproar, and the setting of water tank makes water can have the effect of storing, and the setting of water pump connects water pipe and water tank can make water cyclic utilization, and the setting of drawer makes the effect that the change is conveniently taken out to the activated carbon.

The following problems exist in the prior art:

1. the heat dissipation device of the non-encapsulated dry-type power transformer winding in the prior art is low in practicality, the cooling is carried out through water circulation in a cooling stage, water circulation can cause water vapor to be generated in equipment, the internal humidity degree is improved, and active efficiency of the activated carbon in the process of humidity is low.

2. The traditional heat dissipating device for the non-encapsulated dry-type power transformer winding is inconvenient to disassemble and assemble, so that the traditional heat dissipating device is difficult to disassemble rapidly when the heat dissipation needs to be cleaned or replaced, and the long-time heat dissipation effect and efficiency can be affected by the fact that the heat dissipation device is not cleaned for a long time.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a non-encapsulated dry type power transformer winding heat dissipation device which has the advantages of high practicability, convenient disassembly and assembly and the like, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the purposes of high practicability and convenient disassembly and assembly, the utility model provides the following technical scheme: the utility model provides a non-encapsulation dry-type power transformer winding heat abstractor, includes the device box, one side swing joint of device box has the mounting panel, the positive fixed mounting of device box has the fan of airing exhaust, the inner wall swing joint of device box has the protecting crust, the inner wall fixedly connected with of protecting crust inhales the sound cotton, the inner wall fixedly connected with winding body of protecting crust, the top fixed mounting of winding body has the punch holder.

The bottom fixed mounting of winding body has the lower plate, the bottom fixedly connected with slider of protecting crust, one side swing joint of mounting panel has the screw pad, the positive swing joint of device box has the door plant, can make the device possess the effect that the practicality is high, utilizes the exhaust fan to be with the inside quick discharge of heat because of winding structure produces of device box, and the inside moisture of device box that follows, the heat dissipation net can guarantee the circulation of air to can possess the dehumidification effect when this makes the heat dissipation, improved holistic practicality and work simplicity, satisfied people's user demand.

Preferably, the front surface of the mounting plate is fixedly connected with a heat dissipation net, the heat dissipation net is a stainless steel heat dissipation net, and the stainless steel can avoid damage of the heat dissipation net due to rust.

Preferably, a chute is formed in the inner bottom wall of the device box, the shape and the size of the chute are matched with those of the sliding block, and the sliding block and the chute enable the protective shell to be installed in the device box in a sliding mode.

Preferably, the screw rod is detachable on one side of the screw pad, and the device box is movably connected with the mounting plate through the screw rod, so that the mounting plate can be reinforced and mounted on one side of the device box by using the screw rod, and otherwise, the device box is detached.

Preferably, the front of mounting panel is provided with the screw thread groove, and the mounting panel passes through screw thread groove and screw pole swing joint, and the screw thread groove makes the dismouting of screw pole comparatively convenient and fast.

Preferably, a hinge is movably arranged at the top of the device box, the device box is movably connected with the door plate through the hinge, and the hinge enables the door plate to be opened and closed more conveniently.

Preferably, the number of the thread grooves is six, each three thread grooves are in one group, the two groups of thread grooves are symmetrically arranged by taking the horizontal central line of the mounting plate as a symmetrical axis, and the six thread grooves correspond to six screw rods, so that the mounting plate is reinforced more stably.

(III) beneficial effects

Compared with the prior art, the utility model provides the non-encapsulated dry type power transformer winding heat dissipation device, which has the following beneficial effects:

1. this non-encapsulation dry-type power transformer winding heat abstractor through device box, mounting panel, heat dissipation net, exhaust fan, hinge and door plant that set up, can make the device possess the effect that the practicality is high, utilizes exhaust fan to be with the inside quick discharge of heat because of winding body structure produces of device box, and the inside moisture of device box is still followed to the exhaust, and the heat dissipation net can guarantee the connectivity of air to this can possess the dehumidification effect in the time of making the heat dissipation, has improved holistic practicality and work simplicity, has satisfied people's user demand.

2. This non-encapsulation dry-type power transformer winding heat abstractor through device box, mounting panel, heat dissipation net, screw pad and the screw pole that set up, can make the device possess the effect of being convenient for dismouting, when the heat dissipation net need dismantle the clearance or change because of the length when using, the reinforcement of mounting panel is relieved to the mode of accessible dismantlement screw pole, later can be easily taken off together with mounting panel and heat dissipation net to clear up the heat dissipation net etc. further satisfied people's user demand.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a side view of the present utility model;

fig. 5 is a schematic diagram showing the connection between the mounting plate and the heat dissipation net.

In the figure: 1. a device box; 2. a mounting plate; 3. a heat dissipation net; 4. an exhaust fan; 5. a protective shell; 6. sound absorbing cotton; 7. an upper clamping plate; 8. a winding body; 9. a lower clamping plate; 10. a slide block; 11. a chute; 12. a screw pad; 13. a screw rod; 14. a hinge; 15. and (5) a door plate.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiments of the non-encapsulated dry-type power transformer winding heat dissipation device provided by the present utility model are shown in fig. 1 to 5: the utility model provides a non-encapsulation dry-type power transformer winding heat abstractor, includes device box 1, and one side swing joint of device box 1 has mounting panel 2, and the positive fixed mounting of device box 1 has exhaust fan 4, and the inner wall swing joint of device box 1 has protecting crust 5, and the inner wall fixedly connected with of protecting crust 5 inhales sound cotton 6, the inner wall fixedly connected with winding body 8 of protecting crust 5, and the top fixed mounting of winding body 8 has punch holder 7.

The bottom fixed mounting of winding body 8 has lower plate 9, the bottom fixedly connected with slider 10 of protecting crust 5, one side swing joint of mounting panel 2 has screw pad 12, the positive swing joint of device box 1 has door plant 15, can make the device possess the effect that the practicality is high, utilize exhaust fan 4 to be inside with the device box 1 because of the quick discharge of the heat that winding body 8 structure produced, follow the inside moisture of device box 1, the fluidness of air can be guaranteed to heat dissipation net 3, so can possess the dehumidification effect in the time of making the heat dissipation, holistic practicality and work simplicity have been improved, people's user demand has been satisfied.

In this embodiment, the front surface of the mounting plate 2 is fixedly connected with the heat dissipation net 3, and the heat dissipation net 3 is a stainless steel heat dissipation net, so that the stainless steel can avoid damage to the heat dissipation net 3 due to rust.

Example 2

On the basis of embodiment 1, a preferred embodiment of the non-encapsulated dry-type power transformer winding heat dissipation device provided by the present utility model is shown in fig. 1 to 5: the inner bottom wall of the device box 1 is provided with a chute 11, and the shape and the size of the chute 11 are matched with those of the sliding block 10, and the sliding block 10 and the chute 11 enable the protective shell 5 to be installed inside the device box 1 in a sliding manner.

In this embodiment, the screw rod 13 is detachable from one side of the screw pad 12, and the device box 1 is movably connected with the mounting plate 2 through the screw rod 13, so that the mounting plate 2 can be reinforced and mounted on one side of the device box 1 by using the screw rod 13, otherwise, the device box is detachable.

Further, the front of mounting panel 2 is provided with the screw groove, and mounting panel 2 passes through screw groove and screw 13 swing joint, and the screw groove makes the dismouting of screw 13 comparatively convenient and fast.

Furthermore, the hinge 14 is movably mounted at the top of the device box 1, and the device box 1 is movably connected with the door plate 15 through the hinge 14, so that the door plate 15 is more convenient to open and close by the hinge 14.

In addition, the number of the thread grooves is six, and each three thread grooves is a group, and the two groups of thread grooves are symmetrically arranged by taking the horizontal central line of the mounting plate 2 as a symmetrical axis, and the six thread grooves correspond to the six screw rods 13, so that the reinforcement of the mounting plate 2 is more stable.

When in use, the protective shell 5, the winding body 8 and the like in the device box 1 are slidably mounted in the device box 1 through the sliding block 10 and the sliding groove 11, then the door plate 15 is closed by the hinge 14, the exhaust fan 4 is started when heat dissipation is needed, the exhaust fan 4 can rapidly exhaust hot air, moisture and the like in the device box 1, the heat dissipation net 3 can enable external air to flow, air circulation is achieved, the screw rod 13 can be rotated and taken down when the heat dissipation net 3 is required to be detached, and then the mounting plate 2 can be separated from the device box 1, so that detachment is completed.

In summary, this non-encapsulation dry-type power transformer winding heat abstractor can reach the purpose that the practicality is high, utilize exhaust fan 4 to discharge the heat that device box 1 inside produced because of winding body 8 structure fast, the inside moisture of device box 1 is discharged to follow, the circulation of air can be guaranteed to the cooling net 3, thereby make the radiating effect that can possess dehumidify, whole practicality and work simplicity have been improved, and when the cooling net 3 need dismantle the clearance or change because of the length during the use, the reinforcing of mounting panel 2 is removed to the mode of accessible separation screw 13, afterwards can be taken off together with mounting panel 2 and cooling net 3 easily, and clear up the cooling net 3 etc. and satisfied people's user demand.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A non-encapsulated dry power transformer winding heat sink comprising a device box (1), characterized in that: one side of the device box (1) is movably connected with a mounting plate (2), the front surface of the device box (1) is fixedly provided with an exhaust fan (4), the inner wall of the device box (1) is movably connected with a protective shell (5), the inner wall of the protective shell (5) is fixedly connected with sound-absorbing cotton (6), the inner wall of the protective shell (5) is fixedly connected with a winding body (8), and the top of the winding body (8) is fixedly provided with an upper clamping plate (7);

the winding device is characterized in that a lower clamping plate (9) is fixedly arranged at the bottom of the winding body (8), a sliding block (10) is fixedly connected to the bottom of the protective shell (5), a screw pad (12) is movably connected to one side of the mounting plate (2), and a door plate (15) is movably connected to the front side of the device box (1).

2. A non-encapsulated dry power transformer winding heat sink as recited in claim 1 wherein: the front of mounting panel (2) fixedly connected with heat dissipation net (3), and heat dissipation net (3) are stainless steel heat dissipation net.

3. A non-encapsulated dry power transformer winding heat sink as recited in claim 1 wherein: the inner bottom wall of the device box (1) is provided with a chute (11), and the shape and the size of the chute (11) are matched with those of the sliding block (10).

4. A non-encapsulated dry power transformer winding heat sink as recited in claim 1 wherein: one side of the screw pad (12) can be detached with a screw rod (13), and the device box (1) is movably connected with the mounting plate (2) through the screw rod (13).

5. The non-encapsulated dry-type power transformer winding heat sink of claim 4, wherein: the front of mounting panel (2) is provided with the screw thread groove, and mounting panel (2) pass through screw thread groove and screw (13) swing joint.

6. A non-encapsulated dry power transformer winding heat sink as recited in claim 1 wherein: the top of the device box (1) is movably provided with a hinge (14), and the device box (1) is movably connected with the door plate (15) through the hinge (14).

7. A non-encapsulated dry-type power transformer winding heat sink as recited in claim 5 wherein: the number of the thread grooves is six, every three thread grooves are in one group, and the two groups of thread grooves are symmetrically arranged by taking the horizontal central line of the mounting plate (2) as a symmetrical axis.