Transformer cooling system

Abstract

The utility model relates to the technical field of transformer heat dissipation, in particular to a transformer cooling system, which is characterized in that a shutter is designed to be detachable and is provided with an axial flow fan, when a radiator needs to be cooled, the shutter is detached, the axial flow fan is opened, and air is blown to radiator blades through the axial flow fan, so that the cooling effect is realized. Compared with the prior art, the air volume input into the radiator chamber is increased, convection is accelerated, the cooling effect is better, and then the heat dissipation and cooling requirements in the electric test period can be met. Besides, the louver is detachable, heat dissipation can be carried out after the louver is detached during an electric test, and the louver plays a role in preventing small animals from entering the radiator chamber during daily use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of transformer heat dissipation, in particular to a transformer cooling system. BACKGROUND

[0002] In some factories, there are power transformers specially used by the factories, and generally two transformers are set as main and standby. The transformer generates high-temperature oil liquid during work, so a radiator needs to be set to cool the high-temperature oil liquid. For some large production enterprises, the radiator needed is large in size, and a separate radiator room needs to be set. The existing radiator room is generally set outside the transformer room, has no top, three walls, and the fourth wall is a top metal louver window, the louver window has a door into the radiator room, and the radiator is installed in the middle of the radiator room. The louver window has the dual functions of promoting air convection and preventing small animals from entering the radiator room.

[0003] In addition, for safety in use, the factory needs to conduct electrical tests on the transformer every certain period of time. During the electrical test, the load of the whole factory is concentrated on one transformer. The concentration of the load of the whole factory on one transformer causes the oil temperature of the single-sided transformer to be too high, and the existing radiator is difficult to meet the cooling demand during the electrical test, thereby causing power supply risks. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a transformer cooling system to solve the problem that the existing radiator cannot meet the cooling demand during the electrical test, thereby causing power supply risks.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a transformer cooling system, which comprises a radiator room, a radiator, and a plurality of axial flow fans. The radiator is arranged in the radiator room, the plurality of axial flow fans are arranged outside and / or inside the radiator room, the air outlets of the plurality of axial flow fans are all directed towards the blades of the radiator, one of the side walls of the radiator room is provided with a plurality of louver windows, and the louver windows corresponding to the air outlets of the axial flow fans are detachable.

[0006] Optionally, the radiator room is fixedly connected with the plurality of louver windows through a keel frame, the flange of the keel frame close to the side of the radiator room outside is arranged along the inner circumferential wall and extends towards the center, a plurality of insertion holes are uniformly arranged on the inner circumferential wall of the side of the keel frame close to the inside of the radiator room, and a bolt is arranged in the insertion hole to clamp the louver window between the flange and the bolt.

[0007] Optionally, a bottom water mist spraying device is arranged at the air outlet of the axial flow fan, and the bottom water mist spraying device is used for spraying water mist to the air outlet of each axial flow fan.

[0008] Optionally, the bottom water mist spraying device comprises a water source, a delivery pump, a plurality of spraying pipes and a plurality of water mist nozzles, the water inlet of the delivery pump is communicated with the water source, the water outlet of the delivery pump is communicated with each spraying pipe, each air outlet of the axial flow fan is vertically provided with one spraying pipe, a plurality of water mist nozzles are vertically and spacedly arranged on each spraying pipe, and the water spraying direction of the water mist nozzle is towards the blade of the radiator.

[0009] Optionally, the axial flow fan is arranged outside the radiator chamber, and the plurality of spraying pipes are vertically and fixedly connected to the inner side wall of the radiator chamber.

[0010] Optionally, a top water mist spraying device is arranged at the top of the radiator, and the top water mist spraying device is used for spraying water mist to the radiator.

[0011] Optionally, the top water mist spraying device comprises a water source, a delivery pump, a plurality of spraying pipes and a plurality of water mist nozzles, the water inlet of the delivery pump is communicated with the water source, the water outlet of the delivery pump is communicated with each spraying pipe, each spraying pipe is horizontally and spacedly arranged at the top of the radiator, a plurality of water mist nozzles are spacedly arranged on each spraying pipe along the length direction of the spraying pipe, and the water spraying direction of the water mist nozzle is towards the radiator.

[0012] Optionally, the top water mist spraying device further comprises a plurality of support frames, and the plurality of support frames are spacedly arranged along the length direction of the spraying pipe, and the spraying pipe is fixedly connected to the support frame.

[0013] Optionally, the cooling system further comprises a fixing frame, and each axial flow fan is fixedly arranged on the fixing frame.

[0014] The fixing frame comprises a support leg and a placing surface, the support leg is vertically arranged on the ground, the placing surface is horizontally and fixedly arranged at the top of the support leg, the placing surface is supported by the support leg, a plurality of placing grooves are formed in the placing surface, and each axial flow fan is placed in each placing groove.

[0015] Optionally, the plurality of axial flow fans are arranged side by side in the horizontal direction.

[0016] The cooling system has the following beneficial effects:

[0017] By designing at least part of the shutter to be detachable and setting the axial flow fan, when the radiator needs to be cooled, the shutter is detached, the axial flow fan is opened, and the radiator blades are blown by the axial flow fan to achieve the effect of cooling. Compared with the prior art, the amount of air input into the radiator room is increased, and convection is accelerated, so that the cooling effect is better, thereby meeting the cooling and cooling needs during electrical testing. In addition, by setting the shutter to be detachable, the shutter can be detached for heat dissipation during electrical testing, and the shutter can block small animals from entering the radiator room during daily use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a whole structure schematic diagram of a transformer cooling system of an embodiment of the present application;

[0019] Fig. 2 is an internal structure schematic diagram of a radiator room in an embodiment of the present application;

[0020] Fig. 3 is a cooperation structure schematic diagram of a shutter and a keel frame in an embodiment of the present application. DETAILED DESCRIPTION

[0021] A transformer cooling system of the present application will be described below with reference to Figs. 1-3 In the description of the present embodiment, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features, that is, one or more of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited. When a certain feature "includes or contains" a certain or certain features, unless otherwise specifically described, it indicates that other features and can further include other features are not excluded.

[0022] Unless otherwise specifically defined and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and the like should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise specifically limited. Those skilled in the art should be able to understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0023] Further, in the description of the embodiments, the first feature being "on" or "under" the second feature can include the first and second features being in direct contact, or can include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of the embodiments, the first feature being "on", "above", and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in horizontal height than the second feature. The first feature being "under", "below", or "underneath" the second feature can be the first feature being directly below or obliquely below the second feature, or merely means that the first feature is lower in horizontal height than the second feature.

[0024] In the description of the embodiments, the description with reference to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] As shown in Figs. 1-3 The utility model discloses an embodiment provides a kind of transformer cooling system, cooling system includes the radiator 2 and multiple axial flow fans 3 being arranged in radiator chamber 1 interior.The air outlet of multiple axial flow fans 3 is all towards the blade of radiator 2, to blow air to the blade of radiator 2. One of the side walls of radiator chamber 1 is provided with multiple louvers 11, and the louver 11 opposite the air port of axial flow fan 3 is detachable.

[0026] When the radiator 2 needs to be cooled, the louver 11 is detached, the axial flow fan 3 is opened, and the blade of the radiator 2 is blown by the axial flow fan 3 to achieve the effect of cooling. By detaching the louver 11 and setting the axial flow fan 3, the air volume input into the radiator chamber 1 is increased, and the convection is accelerated, so that the cooling effect is better, and the cooling and heat dissipation requirements during electrical test can be met. In addition, by setting the louver 11 as detachable, the louver 11 can be detached for heat dissipation during electrical test, and the louver 11 can block small animals from entering the radiator chamber 1 during daily use.

[0027] Further, multiple axial flow fans 3 are arranged side by side in the horizontal direction. By arranging multiple axial flow fans 3 side by side in the horizontal direction, the contact area of the blade of the radiator 2 with the flowing air is increased, so that the heat dissipation effect is better. Alternatively, the axial flow fan 3 is provided with three.

[0028] Further, the plurality of axial flow fans 3 can be arranged inside the radiator chamber 1, or can be arranged outside the radiator chamber 1.

[0029] Further, the cooling system further comprises a fixing frame 4, and the plurality of axial flow fans 3 are fixedly arranged on the fixing frame 4. The fixing frame 4 comprises a supporting leg 41 and a placing surface 42. The supporting leg 41 is vertically arranged on the ground, and the placing surface 42 is horizontally fixedly arranged on the top of the supporting leg 41 to support the placing surface 42 by the supporting leg 41. A plurality of placing grooves 421 are arranged on the placing surface 42, and the plurality of axial flow fans 3 are correspondingly arranged in the placing grooves 421. By arranging the placing grooves 421, the axial flow fans 3 are more stably arranged, and the axial flow fans 3 are conveniently detached from the placing surface 42.

[0030] Further, the supporting leg 41 is provided with a plurality of supporting legs. Optionally, the supporting leg 41 is provided with six supporting legs, and the placing surface 42 is a cuboid plate structure.

[0031] In some embodiments of the utility model, the radiator chamber 1 is fixedly connected with a plurality of louvers 11 through a keel frame 12. The louver 11 is detachable, and the side of the keel frame 12 close to the outside of the radiator chamber 1 is provided with a flange 13 extending to the center along the inner circumferential wall. A plurality of insertion holes 14 are evenly arranged on the inner circumferential wall of the side of the keel frame 12 close to the inside of the radiator chamber 1, and a plug pin 15 is arranged in the insertion hole 14 to clamp the louver 11 between the flange 13 and the plug pin 15.

[0032] When the louver 11 needs to be detached, the plug pin 15 is pulled out of the insertion hole 14, and the louver 11 can be detached from the keel frame 12, which is simple in structure and convenient to operate. When the louver 11 is installed, the louver 11 is vertically arranged in the keel frame 12, and the side wall of the louver 11 abuts against the flange 13 around, and then the plug pin 15 is arranged in the insertion hole 14, and the plug pin 15 blocks the louver 11 from falling off the keel frame 12. In addition, the flange 13 is arranged on the side of the keel frame 12 close to the outside of the radiator chamber 1, and the plug pin 15 is arranged on the side of the keel frame 12 close to the inside of the radiator chamber 1, so that when the louver 11 needs to be detached, the operation can only be performed from the inside of the radiator chamber 1, which prevents outsiders from privately detaching the louver 11 and causing safety hazards.

[0033] Further, the outlet of the axial flow fan 3 is provided with a bottom water mist spraying device, and the bottom water mist spraying device is used for spraying water mist to the outlet of each axial flow fan 3. The axial flow fan 3 blows the wind with water mist to the radiator 2, and the evaporation characteristics of water can further accelerate the heat dissipation of the radiator 2.

[0034] In some embodiments of the utility model, bottom water mist spraying device includes water source, delivery pump, multiple spraying pipes 51 and multiple water mist sprays 52. The water inlet of delivery pump is communicated with water source, the water outlet of delivery pump is communicated with each spraying pipe 51, to deliver spraying water to each spraying pipe 51 by delivery pump. The air outlet of each axial flow fan 3 is vertically provided with a spraying pipe 51, and multiple water mist sprays 52 are vertically and spacedly arranged on each spraying pipe 51. The water spraying direction of water mist spray 52 is towards the blade of radiator 2. Optionally, spraying pipe 51 is provided with three.

[0035] The delivery pump is opened, and the delivery pump will deliver spraying water to each water mist spray 52, and spray in the form of water mist at the air outlet of each axial flow fan 3, and blow to the radiator 2 through the axial flow fan 3 to cool the radiator 2. The water mist sprays 52 are vertically arranged, which can increase the spraying area, thereby increasing the contact area of water mist and the radiator 2 and enhancing the cooling effect. At the same time, the water spraying direction of water mist spray 52 is towards the blade of radiator 2, so that the water mist is more easily blown to the radiator 2 by the axial flow fan 3.

[0036] Optionally, the multiple spraying pipes 51 are communicated with the water outlet of the delivery pump through a spraying main pipe.

[0037] Further, the axial flow fan 3 is arranged outside the radiator chamber 1, and the air outlet of the axial flow fan 3 is towards the inside of the radiator chamber 1. The multiple spraying pipes 51 are vertically and fixedly connected to the inner side wall of the radiator chamber 1, so that the spraying pipe 51 is more stable when vertically arranged.

[0038] Further, the top of the radiator 2 is provided with a top water mist spraying device for spraying water mist to the radiator 2. The water mist sprayed by the top water mist spraying device can cover the entire radiator 2 from top to bottom, thereby making the cooling effect better.

[0039] In some embodiments of the utility model, the top water mist spraying device includes water source, delivery pump, multiple spraying pipes 51 and multiple water mist sprays 52. The water inlet of delivery pump is communicated with water source, and the water outlet of delivery pump is communicated with each spraying pipe 51. Each spraying pipe 51 is horizontally and spacedly arranged at the top of the radiator 2, and multiple water mist sprays 52 are spacedly arranged along the length direction of each spraying pipe 51. The water spraying direction of water mist spray 52 is towards the radiator 2. Optionally, the spraying pipe 51 is provided with three, and the water outlet of water mist spray 52 is vertically downwards.

[0040] The conveying pump is opened, and the conveying pump will convey the spraying water to each water mist nozzle 52 and spray in the form of water mist on the top of the radiator 2, the water mist moves from top to bottom along the gap of the radiator 2, and the heat dissipation of the radiator 2 is realized. Each spraying pipe 51 is arranged horizontally and is spaced, and a plurality of water mist nozzles 52 are arranged along the length direction of the spraying pipe 51, so that the whole radiator 2 can be contacted with the water mist, so that the heat dissipation effect is better.

[0041] Optionally, the plurality of spraying pipes 51 are communicated with the water outlet of the conveying pump through a spraying main pipe.

[0042] Further, the top water mist spraying device further comprises a plurality of support frames 6, the plurality of support frames 6 are arranged along the length direction of the spraying pipe 51, and the spraying pipe 51 is fixedly connected to the support frame 6. By arranging the support frame 6, the spraying pipe 51 is supported, so that the spraying pipe 51 is prevented from being bent due to the long length and the spraying effect is affected.

[0043] Optionally, the support frame 6 adopts a door type support frame. The support frame 6 is vertically fixedly arranged on the ground and the radiator 2.

[0044] Further, the bottom water mist spraying device and the top water mist spraying device can share one water source and conveying pump, and the spraying pipes 51 of the two are communicated with each other.

[0045] The above embodiments only exemplarily illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A transformer cooling system, characterized in that, The cooling system includes a radiator chamber, a radiator, and multiple axial fans. The radiator is located in the radiator chamber, and the multiple axial fans are located outside and / or inside the radiator chamber. The air outlets of the multiple axial fans all face the blades of the radiator. One side wall of the radiator chamber is provided with multiple louvers, and the louvers corresponding to the air outlets of the axial fans are designed to be detachable.

2. The transformer cooling system according to claim 1, characterized in that, The radiator chamber is fixedly connected to multiple louvers by a keel frame. The detachable louvers are provided with flanges on the keel frame near the outside of the radiator chamber, extending from the inner peripheral wall towards the center. Multiple insertion holes are also evenly provided on the inner peripheral wall of the keel frame near the inside of the radiator chamber. Pins can be inserted into the insertion holes to clamp the louvers between the flanges and the pins.

3. The transformer cooling system according to claim 1, characterized in that, The axial flow fan is equipped with a bottom water mist spraying device at the air outlet, which is used to spray water mist onto the air outlet of each axial flow fan.

4. The transformer cooling system according to claim 3, characterized in that, The bottom water mist spraying device includes a water source, a delivery pump, multiple spray pipes, and multiple water mist nozzles. The inlet of the delivery pump is connected to the water source, and the outlet of the delivery pump is connected to each of the spray pipes. Each axial flow fan outlet is vertically connected to a spray pipe. Each spray pipe is vertically spaced with multiple water mist nozzles, and the water spray direction of the water mist nozzles is towards the blades of the radiator.

5. The transformer cooling system according to claim 4, characterized in that, The axial flow fan is located outside the radiator chamber, and multiple spray pipes are vertically fixed to the inner wall of the radiator chamber.

6. The transformer cooling system according to claim 1, characterized in that, The top of the radiator is equipped with a top water mist spraying device, which is used to spray water mist onto the radiator.

7. The transformer cooling system according to claim 6, characterized in that, The top water mist spraying device includes a water source, a delivery pump, multiple spray pipes, and multiple water mist nozzles. The inlet of the delivery pump is connected to the water source, and the outlet of the delivery pump is connected to each of the spray pipes. The spray pipes are horizontally spaced at the top of the radiator, and each spray pipe has multiple water mist nozzles spaced along its length. The water spray direction of the water mist nozzles is towards the radiator.

8. The transformer cooling system according to claim 7, characterized in that, The top water mist spraying device also includes multiple support frames, which are spaced apart along the length of the spray pipe, and the spray pipe is fixedly connected to the support frames.

9. The transformer cooling system according to claim 1, characterized in that, The cooling system also includes a mounting frame, on which multiple axial flow fans are fixedly mounted; The mounting frame includes support legs and a placement surface. The support legs are vertically mounted on the ground, and the placement surface is horizontally fixed on the top of the support legs to support the placement surface. The placement surface has multiple placement slots, and multiple axial flow fans are placed in each of the placement slots.

10. The transformer cooling system according to claim 1, characterized in that, Multiple axial flow fans are arranged side by side in a horizontal direction.

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