CN111986891A - Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device - Google Patents

Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device Download PDF

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Publication number
CN111986891A
CN111986891A CN202010978774.7A CN202010978774A CN111986891A CN 111986891 A CN111986891 A CN 111986891A CN 202010978774 A CN202010978774 A CN 202010978774A CN 111986891 A CN111986891 A CN 111986891A
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CN
China
Prior art keywords
radiator
cooling
heat dissipation
water
oil
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Pending
Application number
CN202010978774.7A
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Chinese (zh)
Inventor
罗奕
张筵凯
徐晋勇
高鹏
陈金龙
高波
莫愁
莫荣
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Guilin University of Electronic Technology
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Guilin University of Electronic Technology
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Application filed by Guilin University of Electronic Technology filed Critical Guilin University of Electronic Technology
Priority to CN202010978774.7A priority Critical patent/CN111986891A/en
Publication of CN111986891A publication Critical patent/CN111986891A/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
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil 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
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

The invention relates to the technical field of transformer heat dissipation equipment, and discloses a water-cooling and oil-cooling combined heat dissipation device for a transformer, which comprises a water tank, a water pump, a radiator water cooling pipeline, a power supply wiring, a circuit switch control device, an infrared temperature detector, a radiator, a transformer, an oil tank, an oil cooling circulating pipeline and an underground radiator, wherein the oil cooling circulating pipeline is arranged in the transformer, two ends of the oil cooling circulating pipeline are communicated with the oil tank, the radiator is fixedly arranged on the outer wall of the transformer, the radiator is in contact connection with the oil cooling circulating pipeline, the water pump is fixedly arranged on the outer wall of the water tank, and the radiator water cooling pipeline is fixedly clamped on the outer wall of the radiator. The transformer heat dissipation device with the water cooling and oil cooling combined heat dissipation function has the advantages that a double-channel heat dissipation pipe structure is adopted, and even if a water pipe leaks due to corrosion, an oil way cannot be influenced; the subsurface radiator solves the heat dissipation problem of cooling water by utilizing relatively low temperature and large heat capacity of the surface.

Description

Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device
Technical Field
The invention relates to the technical field of transformer heat dissipation equipment, in particular to a water-cooling and oil-cooling combined heat dissipation device for a transformer.
Background
Local overheating and temperature rise inside the transformer are common thermal faults of the oil-immersed transformer. Generally, the transformer can dissipate heat in a mode that transformer oil flows through heat dissipation fins, and the transformer is easily damaged due to insufficient heat dissipation speed in high-load work or other extreme situations of the transformer. The mode belongs to a passive heat dissipation mode, the heat dissipation requirement can be met when the transformer operates at normal power, however, extra active heat dissipation is needed to improve the heat dissipation efficiency in a high-load operation state, and a fan is adopted to perform forced air cooling heat dissipation on the heat dissipation fins in a common mode. Because the heat dissipation and heat conduction effects of air cooling are not as good as that of water cooling, the outdoor air cooling effect which is hot especially in summer is more restricted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device which has the advantages that a double-channel heat dissipation pipe structure is adopted, the structure is firm, the combination is tight, the heat transfer effect is better, and even if a water pipe leaks due to corrosion, the oil way is not influenced; the subsurface radiator solves the problem of heat dissipation of cooling water by utilizing relatively low temperature and large heat capacity of the surface of the earth, realizes heat dissipation of the cooling water, has the advantages of small volume of the cooling water tank and no influence on arrangement of other electrical equipment, solves the problem that additional active heat dissipation is needed to improve the heat dissipation efficiency in a high-load operation state, and adopts a common mode of forced air cooling heat dissipation of the heat dissipation fins by adopting a fan. The air cooling heat dissipation heat conduction effect is not as good as the water cooling heat dissipation heat conduction effect, so that the outdoor air cooling effect which is hot in summer is more restricted.
(II) technical scheme
In order to realize the adoption of a double-channel heat radiation pipe structure, the structure is firm, the combination is tight, the heat transfer effect is better, and even if the water pipe leaks due to corrosion, the oil way is not influenced; the subsurface radiator solves the problem of heat dissipation of cooling water by utilizing relatively low temperature and large heat capacity of the surface of the earth, realizes heat dissipation of the cooling water, and simultaneously has small volume of a cooling water tank without influencing the arrangement of other electrical equipment, and the invention provides the following technical scheme: a transformer heat dissipation device with combined water cooling and oil cooling comprises a water tank, a water pump, a radiator water cooling pipeline, a power supply wiring, a circuit switch control device, an infrared temperature detector, a radiator, a transformer, an oil tank, an oil cooling circulation pipeline and an underground radiator, wherein the oil cooling circulation pipeline is arranged in the transformer, two ends of the oil cooling circulation pipeline are communicated with the oil tank, the radiator is fixedly arranged on the outer wall of the transformer and is in contact connection with the oil cooling circulation pipeline, the water pump is fixedly arranged on the outer wall of the water tank, the radiator water cooling pipeline is fixedly clamped on the outer wall of the radiator, one end of the radiator water cooling pipeline is communicated with the side wall of the water tank, one end of the water pump is connected with an opening below the water tank, the other end of the water pump is connected with the other end of the radiator water, and a radiator water cooling pipeline extending below the water pump is communicated downwards to enter the subsurface radiator.
Preferably, the volume of the water tank is slightly larger than the total volume of the water cooling pipeline of the radiator.
Preferably, the detection end of the infrared temperature detector is in contact with the surface of the heat sink.
Preferably, the output end of the infrared temperature detector is electrically connected with the input end of the circuit switch control device through a power supply wiring, and the output end of the circuit switch control device is electrically connected with the input end of the water pump through a power supply wiring.
Preferably, the surface of the radiator is provided with an arc-shaped clamping groove for nesting the water cooling pipeline of the radiator.
Preferably, the fixed surface joint of radiator has a plurality of arcs of pressing the cover outside the water cooling pipeline of radiator to press and holds the board, the fixed cover of outer wall of water cooling pipeline of radiator has two semicircle crown plates about arc pressure holds the board symmetry setting.
Preferably, the equal fixedly connected with of both ends outer wall of board is held to arc pressure expands the board outward, the outer wall symmetry joint of radiator has two crimping to expand the L shape crimping board outside the board outward, the surface of L shape crimping board has been seted up jack and jack internalization and has been inserted and be equipped with the chucking inserted bar, the chucking jack that corresponds the grafting with the chucking inserted bar is seted up on the surface of expanding the board outward, the one end fixedly connected with arm-tie of chucking inserted bar, the same cover of cover is established at the chucking spring outside the chucking inserted bar to arm-tie and L shape crimping board in opposite directions one side fixedly connected with.
Preferably, the outer wall of the radiator is fixedly connected with a plurality of wedge-shaped clamping blocks, and dovetail clamping grooves matched and clamped with the wedge-shaped clamping blocks are formed in the side wall of the L-shaped crimping plate.
(III) advantageous effects
Compared with the prior art, the invention provides a water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device, which has the following beneficial effects:
1. the transformer heat dissipation device with the water cooling and oil cooling combined heat dissipation function can only change the structure of the radiator at the outer side of the transformer without changing the structure of the transformer body, adopts the double-channel heat dissipation pipe structure, has firm structure and tight combination, thereby having better heat transfer effect, and not influencing an oil path even if a water pipe leaks due to corrosion; the subsurface radiator solves the heat dissipation problem of cooling water by utilizing the relatively low temperature and large heat capacity of the surface of the earth, realizes the heat dissipation of the cooling water, and simultaneously has small volume of the cooling water tank without influencing the arrangement of other electrical equipment.
2. This water-cooling and oil-cooling compound radiating transformer heat abstractor, can make the firm card of radiator water cooling pipeline hold in the palm on the radiator through the arc draw-in groove that is equipped with, hold the board crimping outside the radiator water cooling pipeline with the arc again, realize holding spacingly to the firm pressure of radiator water cooling pipeline, the matching joint effect of rethread wedge-shaped fixture block and forked tail draw-in groove makes L shape crimping board high-speed joint at the outer wall of radiator and crimping expand the upside of board outside, it is spacing to the firm of board is held to the arc pressure to the realization, the chucking inserted bar aims at the chucking jack this moment, the pulling plate is drawn down to the chucking spring, the pulling plate can realize the firm spacing to L shape crimping board in advancing the chucking jack with the chucking inserted bar, can realize the quick assembly disassembly to radiator water cooling pipeline, and convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a transformer heat dissipation device for combined heat dissipation of water cooling and oil cooling according to the present invention;
fig. 2 is a schematic view of a connection structure of a radiator and a radiator water cooling pipeline of the transformer heat dissipation device with combined water cooling and oil cooling heat dissipation provided by the invention;
fig. 3 is an enlarged view of a portion a of fig. 2 of a transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to the present invention.
In the figure: the device comprises a water tank 1, a water pump 2, a radiator water cooling pipeline 3, a power supply wiring 4, a circuit switch control device 5, an infrared temperature detector 6, a radiator 7, a transformer 8, an oil tank 9, an oil cooling circulating pipeline 10, an underground radiator 11, an arc-shaped clamping groove 12, an arc-shaped pressing and holding plate 13, a semicircular ring plate 14, an outer expanding plate 15, a 16L-shaped pressing and connecting plate, a 17 clamping and inserting rod, a 18 clamping and inserting hole, a 19 pulling plate, a 20 clamping spring, a 21 wedge-shaped clamping block and a 22 dovetail clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a transformer heat dissipation device with combined water cooling and oil cooling comprises a water tank 1, a water pump 2, a radiator water cooling pipeline 3, a power supply connection 4, a circuit switch control device 5, an infrared temperature detector 6, a radiator 7, a transformer 8, an oil tank 9, an oil cooling circulation pipeline 10 and an underground radiator 11, wherein the oil cooling circulation pipeline 10 is arranged in the transformer 8, two ends of the oil cooling circulation pipeline 10 are communicated with the oil tank 9, the radiator 7 is fixed on the outer wall of the transformer 8, the radiator 7 is in contact connection with the oil cooling circulation pipeline 10, the water pump 2 is fixed on the outer wall of the water tank 1, the radiator water cooling pipeline 3 is fixedly clamped on the outer wall of the radiator 7, one end of the radiator water cooling pipeline 3 is communicated with the side wall of the water tank 1, one end of the water pump 2 is connected with an opening below the water tank 1, the other end of the water pump 2 is, a radiator water cooling pipe 3 extending below the water pump 2 communicates downwardly into the subsurface radiator 11.
The volume of the water tank 1 is slightly larger than the total volume of the radiator water cooling duct 3.
The detection end of the infrared thermometer 6 is in contact with the surface of the heat sink 7.
The output end of the infrared temperature detector 6 is electrically connected with the input end of the circuit switch control device 5 through the power supply wiring 4, and the output end of the circuit switch control device 5 is electrically connected with the input end of the water pump 2 through the power supply wiring 4.
The surface of the radiator 7 is provided with an arc-shaped clamping groove 12 for nesting the radiator water cooling pipeline 3.
The fixed joint in surface of radiator 7 has a plurality of arcs of pressing the cover outside radiator water cooling pipeline 3 to press and holds board 13, and radiator water cooling pipeline 3's outer wall is fixed to be cup jointed two semicircle ring boards 14 that press and hold board 13 symmetry setting about the arc.
The outer board 15 that expands of equal fixedly connected with in both ends outer wall of arc pressure board 13, the outer wall symmetry joint of radiator 7 has two crimping to expand outer L shape crimping board 16 of board 15 outward, the jack has been seted up on the surface of L shape crimping board 16 and the jack internalization is inserted and is equipped with chucking inserted bar 17, the chucking jack 18 that corresponds the grafting with chucking inserted bar 17 is seted up on the surface of outer board 15 that expands, the one end fixedly connected with arm-tie 19 of chucking inserted bar 17, the same cover of cover is established at chucking inserted bar 17 to arm-tie 19 and L shape crimping board 16 one side fixedly connected with in opposite directions chucking spring 20.
The outer wall of the radiator 7 is fixedly connected with a plurality of wedge-shaped fixture blocks 21, and the side wall of the L-shaped compression joint plate 16 is provided with dovetail-shaped fixture grooves 22 matched and clamped with the wedge-shaped fixture blocks 21.
In summary, in the transformer heat dissipation device with combined water cooling and oil cooling, when the transformer 8 works normally, the heat generated by the transformer 8 during the internal work is dissipated through the radiator 7 on the transformer 8, and under the working condition, the heat is dissipated through the radiator 7 on the transformer 8 and the temperature is stabilized within a reasonable range, when the transformer 8 is overloaded or works under a complex condition, the heat generated by the transformer 8 during the internal work is relatively more than that generated during the normal work, in such a case, the heat generated by the transformer 8 cannot be reduced to the reasonable temperature range of the normal work through the radiator 7 on the transformer 8, and when the temperature measured by the thermometer reaches a certain threshold, the circuit switch control device 5 of the water pump 2 of the oil tank 9 is controlled to start working, so as to pump the oil liquid 9 out of the oil tank into the oil cooling circulation pipeline 10, to the great part of calorific capacity, the high fluid region of temperature carries out the oil cooling circulation with the heat even to the cooling oil in, when transformer 8 calorific capacity is too much, relies on inside cooling oil and oil cooling device can't carry out effective heat dissipation. At the moment, a water cooling device on a transformer radiator starts to work, firstly, the infrared temperature detector 6 detects that the temperature on the radiator 7 exceeds a set safety threshold value, the circuit switch control device 5 is switched on to control a circuit to start a working power supply wiring 4 to be communicated with the circuit switch control device 5 and the water pump 2, at the moment, the water pump 2 starts to pump water to work, the water is input into the radiator water cooling pipeline 3 from the water tank 1 by the water pump 2 to provide certain water pressure under the work of the water pump 2, the water takes away the redundant heat on the transformer 8 when passing through the radiator 7 of the transformer 8 in the radiator water cooling pipeline 3 and radiates the heat by the subsurface radiator 11, the water in the radiator water cooling pipeline 3 starts from the water pump 2 under the action of the water pump 2, flows through the transformer radiator to take away the redundant heat and finally flows into the water tank 1, and the radiator water cooling pipeline 3 can be firmly clamped on the radiator, press the board 13 crimping with the arc again between two semicircle ring boards 14 outside radiator water cooling pipeline 3, the realization is pressed to the firm of radiator water cooling pipeline 3 and is held spacingly, rethread wedge-shaped fixture block 21 and forked tail draw-in groove 22's matching joint effect makes L shape crimping board 16 high-speed joint at the outer wall of radiator 7 and crimping expand the upside of board 15 outward, the realization is pressed to the arc and is held the firm of board 13 spacing, chucking inserted bar 17 aligns chucking jack 18 this moment, tensioning spring 20 pull-down plate 19, pull-down plate 19 can realize the firm spacing to L shape crimping board 16 in advancing chucking jack 18 with chucking inserted bar 17, can realize the quick assembly disassembly to radiator water cooling pipeline 3, and convenient to use.
It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)

1. The utility model provides a compound radiating transformer heat abstractor of water-cooling and oil-cooling, includes water tank (1), water pump (2), radiator water cooling pipeline (3), power wiring (4), circuit switch controlling means (5), infrared temperature detects meter (6), radiator (7), transformer (8), oil tank (9), oil cooling circulating line (10) and subsurface radiator (11), its characterized in that: the oil cooling circulation pipeline (10) is arranged in the transformer (8), two ends of the oil cooling circulation pipeline (10) are communicated with the oil tank (9), the radiator (7) is fixedly arranged on the outer wall of the transformer (8), the radiator (7) is in contact connection with the oil cooling circulating pipeline (10), the water pump (2) is fixedly arranged on the outer wall of the water tank (1), the radiator water cooling pipeline (3) is fixedly clamped on the outer wall of the radiator (7), one end of the radiator water cooling pipeline (3) is communicated with the side wall of the water tank (1), one end of the water pump (2) is connected with an opening of the water tank (1) which is positioned at the lower part, the other end of the water pump (2) is connected with the water cooling pipeline (3) of the radiator, and a radiator water cooling pipeline (3) extending below the water pump (2) is communicated downwards to enter an underground radiator (11).
2. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 1, wherein: the volume of the water tank (1) is slightly larger than the total volume of the water cooling pipeline (3) of the radiator.
3. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 1, wherein: the detection end of the infrared temperature detector (6) is in contact with the surface of the radiator (7).
4. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 1, wherein: the output end of the infrared temperature detector (6) is electrically connected with the input end of the circuit switch control device (5) through a power supply wiring (4), and the output end of the circuit switch control device (5) is electrically connected with the input end of the water pump (2) through the power supply wiring (4).
5. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 1, wherein: the surface of the radiator (7) is provided with an arc-shaped clamping groove (12) for nesting the water cooling pipeline (3) of the radiator.
6. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 1, wherein: the fixed surface joint of radiator (7) has a plurality of pressure cover arc to press outside radiator water cooling pipeline (3) to hold board (13), the outer wall of radiator water cooling pipeline (3) is fixed to be cup jointed two semicircle crown plates (14) that press about the arc and hold board (13) symmetry setting.
7. The transformer heat dissipation device with combined water cooling and oil cooling for heat dissipation according to claim 6, wherein: the equal fixedly connected with of both ends outer wall of board (13) is held in arc pressure expands board (15) outward, the outer wall symmetry joint of radiator (7) has two crimping to expand board (15) outer L shape crimping board (16) outward, the surface of L shape crimping board (16) has been seted up jack and jack internalization and has been inserted and be equipped with chucking inserted bar (17), the surface that expands board (15) outward is seted up and is corresponded chucking jack (18) of pegging graft with chucking inserted bar (17), the one end fixedly connected with arm-tie (19) of chucking inserted bar (17), arm-tie (19) and L shape crimping board (16) are established chucking spring (20) outside chucking inserted bar (17) to one side fixedly connected with one side in opposite directions.
8. The heat dissipation device for the transformer with the combined heat dissipation of the water cooling and the oil cooling as claimed in claim 7, wherein: the outer wall fixedly connected with of radiator (7) a plurality of wedge fixture block (21), forked tail draw-in groove (22) that match the joint with wedge fixture block (21) are seted up to the lateral wall of L shape crimping board (16).
CN202010978774.7A 2020-09-17 2020-09-17 Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device Pending CN111986891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010978774.7A CN111986891A (en) 2020-09-17 2020-09-17 Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010978774.7A CN111986891A (en) 2020-09-17 2020-09-17 Water-cooling and oil-cooling combined heat dissipation transformer heat dissipation device

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CN111986891A true CN111986891A (en) 2020-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112741483A (en) * 2020-12-25 2021-05-04 浙江大坤电器科技有限公司 Heat dissipation shell of steaming and baking oven for integrated cooker and installation method of heat dissipation shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112741483A (en) * 2020-12-25 2021-05-04 浙江大坤电器科技有限公司 Heat dissipation shell of steaming and baking oven for integrated cooker and installation method of heat dissipation shell
CN112741483B (en) * 2020-12-25 2022-02-11 浙江大坤电器科技有限公司 Heat dissipation shell of steaming and baking oven for integrated cooker and installation method of heat dissipation shell

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