CN112489965B - Noise reduction insulation transformer - Google Patents
Noise reduction insulation transformer Download PDFInfo
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- CN112489965B CN112489965B CN202011308429.9A CN202011308429A CN112489965B CN 112489965 B CN112489965 B CN 112489965B CN 202011308429 A CN202011308429 A CN 202011308429A CN 112489965 B CN112489965 B CN 112489965B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
Abstract
The invention belongs to the technical field of transformers, and particularly relates to a noise-reducing insulating transformer which aims at solving the problems that the structural design of the traditional transformer is simple, the transformer can generate large noise in the actual operation process, the surface insulating property of the transformer is general, and certain potential safety hazards exist. The sound absorption and noise reduction effects of the transformer can be effectively improved through the arranged soundproof cotton layer and the arranged foaming inner plate; the transformer has good insulativity through the arranged rubber outer layer, and the safety performance of the device is improved; the annular groove is provided with a plurality of air inlet notches communicated with the outside, natural air can be used for entering the annular groove, and a good heat dissipation effect is achieved under the heat exchange effect of the heat exchange column.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a noise-reducing insulating transformer.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage of a certain value into another voltage of the same frequency or several different values. When the primary winding is energized with an alternating current, an alternating magnetic flux is generated, and the alternating magnetic flux is magnetically conducted through the iron core, so that an alternating electromotive force is induced in the secondary winding. The transformer has the functions of increasing voltage to transmit electric energy to an electricity utilization area in many aspects, and reducing the voltage to use voltages of all levels to meet the requirement of electricity utilization. In short, both the step-up and step-down must be accomplished by a transformer; in the process of transmitting electric energy in a power system, voltage loss and power loss are necessarily generated, wherein the voltage loss is inversely proportional to the voltage when the same power is transmitted, and the power loss is inversely proportional to the square of the voltage. The level of the secondary induced electromotive force is related to the number of turns of the primary winding, i.e. the voltage is proportional to the number of turns. The main role is to transmit electrical energy, so the rated capacity is its main parameter. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the equipment is used for carrying out a voltage withstand test on the electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like.
The structural design of traditional transformer is comparatively simple, owing to lack corresponding syllable-dividing, fall the design of making an uproar, the transformer can produce great noise at the actual operation in-process, and the surface insulation performance of transformer is general, has certain potential safety hazard, so has certain limitation.
Disclosure of Invention
The invention provides a noise-reducing insulating transformer based on the technical problems that the structural design of the traditional transformer is simple, the transformer can generate large noise in the actual operation process, the surface insulating property of the transformer is general, and certain potential safety hazards exist.
The invention provides a noise-reducing insulating transformer, which comprises a shell, wherein the outer wall of the shell is fixedly provided with an outer rubber layer, the inner wall of the shell is fixedly provided with a foamed inner plate, one side of the foamed inner plate, which is opposite to the shell, is filled with a soundproof cotton layer, the inner wall of the shell is provided with annular grooves which are distributed at equal intervals, the annular grooves are provided with air inlet notches which are communicated with the outside at equal intervals, the circumferential outer wall of the shell is fixedly provided with a spiral assembly, the spiral assembly consists of a spiral main plate and a spiral auxiliary plate, the opposite sides of the annular grooves and the foamed inner plate are welded with heat exchange columns which are distributed at equal intervals, the top end of the shell is provided with a water receiving mechanism and a cooling mechanism, the cooling mechanism comprises a heat exchange cylinder which is fixedly arranged on the outer wall of the top of the shell, the two sides of the bottom end of the heat exchange cylinder and the opposite side of the shell are respectively and fixedly connected with an air outlet pipe and an air inlet hopper, a fan is fixed on the inner wall of the air inlet hopper through a bolt, an installation groove is formed in one end, close to the air outlet pipe, of the heat exchange cylinder, a semiconductor refrigerator is fixed on the inner wall of the installation groove through a bolt, and heat exchange guide vanes which are symmetrically distributed at equal intervals are fixedly installed on one side, close to the semiconductor refrigerator, of the heat exchange cylinder; the spiral assembly consisting of the spiral auxiliary sheet and the spiral main sheet is arranged, so that the heat exchange effect of the transformer is improved conveniently; through the arranged cooling mechanism, the fan can introduce hot air in the shell into the heat exchange cylinder, and a good circulating cooling effect is realized by utilizing the semiconductor refrigerator and the heat exchange flow deflector, so that the smooth operation of the transformer is ensured; the spiral assembly consisting of the spiral auxiliary sheet and the spiral main sheet is arranged, so that the heat exchange effect of the transformer is improved conveniently; through the cooling mechanism who sets up, the fan can let in the hot-air in the casing in the heat transfer section of thick bamboo to utilize semiconductor cooler, heat transfer water conservancy diversion piece, realize good circulation cooling effect, thereby ensure the smooth operation of this transformer.
Preferably, the water receiving mechanism comprises a bracket welded on the outer wall of the top of the shell, and the top end of the bracket is welded with the same water receiving bucket.
Preferably, spiral flow guide cover plates distributed at equal intervals are welded on the inner wall, close to the top end, of the water receiving hopper, and flow guide grooves are formed in one side of the outer wall of the top of each spiral flow guide cover plate.
Preferably, all weld the drain pipe in the bottom outer wall four corners of water receiving bucket, and the water receiving bucket is close to the one end inner wall welding of bottom and has fixed sealing ring.
Preferably, a return spring is welded at the inner bottom of the water receiving hopper, a sealing abutting plate is welded at the top end of the return spring, and a sponge block is bonded on the outer wall of the bottom of the sealing abutting plate; through the arranged water receiving mechanism, rainwater can be collected and treated through the water receiving hopper, and good evaporation prevention effect is achieved by the aid of the spiral flow guide cover plates distributed at equal intervals; through the reset spring and the sealing abutting plate, when enough rainwater is stored, the sealing abutting plate can be pressed downwards, so that the rainwater is put into the spiral component to carry out spiral washing on the outer wall of the shell, and the cleaning treatment of the shell is realized; through the sponge piece that sets up, can absorb water at the in-process that drains, increase the weight of sealed board that supports to ensure the complete emission of rainwater.
Preferably, a bracket is installed at the inner bottom of the shell, and an iron core is fixedly installed on the outer wall of the top of the bracket.
Preferably, a first coil and a second coil are respectively arranged on two sides of the iron core, and the number of turns of the first coil is smaller than that of the second coil.
Preferably, the refrigeration end of the semiconductor refrigerator is close to the heat exchange guide vane.
Preferably, the heat exchange flow deflector is fixedly provided with support pieces which are distributed unevenly on one side; through the support pieces arranged on the heat exchange flow deflector, the flow guide effect and the surface area of the heat exchange flow deflector can be effectively increased, and therefore the heat exchange cooling effect on air is improved.
The beneficial effects of the invention are as follows:
1. the noise reduction insulation transformer can effectively increase the sound absorption and noise reduction effects of the transformer through the arranged soundproof cotton layer and the arranged foaming inner plate; the transformer has good insulativity through the arranged rubber outer layer, and the safety performance of the device is improved; the annular groove is provided with a plurality of air inlet notches communicated with the outside, natural air can be used for entering the annular groove, and a good heat dissipation effect is achieved under the heat exchange effect of the heat exchange column.
2. According to the noise-reducing insulating transformer, the spiral assembly consisting of the spiral auxiliary sheet and the spiral main sheet is arranged, so that the heat exchange effect of the transformer is conveniently improved; through the cooling mechanism who sets up, the fan can let in the hot-air in the casing in the heat transfer section of thick bamboo to utilize semiconductor cooler, heat transfer water conservancy diversion piece, realize good circulation cooling effect, thereby ensure the smooth operation of this transformer.
3. The noise-reducing insulating transformer can collect and treat rainwater through the water receiving hopper through the arranged water receiving mechanism, and has a good evaporation-preventing effect by utilizing the spiral flow guide cover plates distributed at equal intervals; through the reset spring and the sealed board that supports that set up, when storing sufficient rainwater, can press sealed board downwards to put into spiral assembly with the rainwater, carry out the spiral and wash the casing outer wall, realize the cleaning to the casing.
4. The noise-reducing insulating transformer can absorb water in the water discharging process through the arranged sponge block, and the weight of the sealing abutting plate is increased, so that the complete discharge of rainwater is ensured; through the support pieces arranged on the heat exchange flow deflector, the flow guide effect and the surface area of the heat exchange flow deflector can be effectively increased, and therefore the heat exchange cooling effect on air is improved.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a noise reduction insulation transformer according to the present invention;
fig. 2 is a schematic cross-sectional view of a noise reduction insulation transformer according to the present invention;
fig. 3 is a schematic perspective view of a casing of the noise-reducing insulation transformer according to the present invention;
FIG. 4 is a schematic diagram of a spiral flow guiding cover plate structure of a noise reduction insulation transformer according to the present invention;
fig. 5 is a schematic structural view of a heat exchange flow deflector of the noise reduction insulation transformer according to the present invention.
In the figure: the heat exchange device comprises a shell 1, a rubber outer layer 2, a spiral main piece 3, a spiral auxiliary piece 4, a spiral assembly 5, an air inlet hopper 6, a liquid outlet pipe 7, a support 8, a spiral flow guide cover plate 9, a heat exchange cylinder 10, a fixed sealing ring 11, a sealing abutting plate 12, a semiconductor refrigerator 13, a water receiving hopper 14, a heat exchange flow guide piece 15, an air outlet pipe 16, a fan 17, an annular groove 18, a heat exchange column 19, a sound insulation cotton layer 20, a foaming inner plate 21, a coil I22, a bracket 23, an iron core 24, a coil II 25, an air inlet notch 26, a flow guide groove 27, a sponge block 28, a reset spring 29 and a branch piece 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a noise-reducing insulation transformer comprises a casing 1, a rubber outer layer 2 is fixedly installed on the outer wall of the casing 1, a foamed inner plate 21 is fixedly installed on the inner wall of the casing 1, a soundproof cotton layer 20 is filled on one side of the foamed inner plate 21 opposite to the casing 1, annular grooves 18 are formed in the inner wall of the casing 1 and are distributed at equal intervals, air inlet slots 26 communicated with the outside are formed in the annular grooves 18 at equal intervals, a spiral assembly 5 is fixedly installed on the circumferential outer wall of the casing 1, the spiral assembly 5 is composed of a spiral main plate 3 and a spiral auxiliary plate 4, heat exchange columns 19 are welded on one side of the annular grooves 18 opposite to the foamed inner plate 21, a water receiving mechanism and a cooling mechanism are installed at the top end of the casing 1, the cooling mechanism comprises a heat exchange cylinder 10 fixedly installed on the outer wall of the top of the casing 1, an air inlet pipe 16 and an air inlet hopper 6 are respectively fixedly connected to two sides of the bottom end of the heat exchange cylinder 10 and one side of the casing 1, a fan 17 is fixed on the inner wall of the air inlet hopper 6 through a bolt, an installation groove is formed in one end, close to the air outlet pipe 16, of the heat exchange cylinder 10, a semiconductor refrigerator 13 is fixed on the inner wall of the installation groove through a bolt, and heat exchange guide vanes 15 which are symmetrically distributed at equal intervals are fixedly installed on one side, close to the semiconductor refrigerator 13, of the heat exchange cylinder 10; the sound absorption and noise reduction effects of the transformer are effectively improved through the arranged soundproof cotton layer 20 and the arranged foaming inner plate 21; the transformer has good insulation performance through the arranged rubber outer layer 2, and the safety performance of the device is improved; when the transformer is in actual use, the annular groove 18 is provided with the plurality of air inlet notches 26 communicated with the outside, natural air can enter the annular groove 18, and a good heat dissipation effect is achieved under the heat exchange effect of the heat exchange column 19; the spiral component 5 consisting of the spiral auxiliary sheet 4 and the spiral main sheet 3 is convenient to improve the heat exchange effect of the transformer; an operator controls the starting fan 17 and the semiconductor refrigerator 13 to introduce hot air in the shell 1 into the heat exchange cylinder 10, and the semiconductor refrigerator 13 and the heat exchange guide vane 15 are utilized to realize a good circulating cooling effect.
In the invention, the water receiving mechanism comprises a bracket 8 welded on the outer wall of the top of the shell 1, and the top end of the bracket 8 is welded with the same water receiving bucket 14.
Wherein, the inner wall of the water receiving bucket 14 near the top end is welded with spiral diversion cover plates 9 distributed at equal intervals, and one side of the outer wall of the top part of each spiral diversion cover plate 9 is provided with a diversion trench 27.
Wherein, drain pipe 7 has all been welded in the bottom outer wall four corners of water receiving bucket 14, and the one end inner wall welding that water receiving bucket 14 is close to the bottom has fixed seal ring 11.
Wherein, the inner bottom of the water receiving bucket 14 is welded with a return spring 29, the top end of the return spring 29 is welded with a sealing resisting plate 12, and the outer wall of the bottom of the sealing resisting plate 12 is bonded with a sponge block 28; through the arrangement of the return spring 29 and the sealing support plate 12, when enough rainwater is stored, the sealing support plate 12 can be pressed downwards under the action of gravity, so that the rainwater is put into the spiral component 5 through the liquid outlet pipe 7, the outer wall of the shell 1 is spirally washed, and the cleaning treatment of the shell 1 is realized; the sponge block 28 arranged in the water discharging process absorbs water, so that the weight of the sealing resisting plate 12 is increased, and the complete discharge of rainwater is ensured.
Wherein, a bracket 23 is installed at the inner bottom of the housing 1, and an iron core 24 is fixedly installed on the outer wall of the top of the bracket 23.
Wherein, two sides of the iron core 24 are respectively provided with a coil one 22 and a coil two 25, and the number of turns of the coil one 22 is smaller than that of the coil two 25.
Wherein the refrigeration end of the semiconductor refrigerator 13 is close to the heat exchange deflector 15.
When the invention is used: the sound absorption and noise reduction effects of the transformer are effectively improved through the arranged soundproof cotton layer 20 and the arranged foaming inner plate 21; the transformer has good insulation performance through the arranged rubber outer layer 2, and the safety performance of the device is improved; when the transformer is in actual use, the annular groove 18 is provided with the plurality of air inlet notches 26 communicated with the outside, natural air can enter the annular groove 18, and a good heat dissipation effect is achieved under the heat exchange effect of the heat exchange column 19; the spiral component 5 consisting of the spiral auxiliary sheet 4 and the spiral main sheet 3 is convenient to improve the heat exchange effect of the transformer; an operator controls the starting fan 17 and the semiconductor refrigerator 13 to introduce hot air in the shell 1 into the heat exchange cylinder 10, and the semiconductor refrigerator 13 and the heat exchange guide vane 15 are utilized to realize a good circulating cooling effect, so that the smooth operation of the transformer is ensured; the arranged water receiving hopper 14 can collect and treat rainwater, and a good evaporation prevention effect is achieved by using the spiral flow guide cover plates 9 distributed at equal intervals; through the arrangement of the return spring 29 and the sealing support plate 12, when enough rainwater is stored, the sealing support plate 12 can be pressed downwards under the action of gravity, so that the rainwater is put into the spiral component 5 through the liquid outlet pipe 7, the outer wall of the shell 1 is spirally washed, and the cleaning treatment of the shell 1 is realized; the sponge block 28 arranged in the water discharging process absorbs water, so that the weight of the sealing resisting plate 12 is increased, and the complete discharge of rainwater is ensured.
Example 2
Referring to fig. 5, in this embodiment, compared with embodiment 1, the noise reduction insulation transformer further includes support pieces 30 that are non-uniformly distributed and fixedly mounted on one side of the heat exchange flow deflector 15; the flow guide effect and the surface area of the heat exchange flow guide plate 15 can be effectively increased by using the support plate 30 arranged on the heat exchange flow guide plate 15.
When the invention is used: the branch pieces 30 arranged on the heat exchange flow deflector 15 can effectively increase the flow guiding effect and the surface area of the heat exchange flow deflector 15, thereby achieving the purpose of improving the air heat exchange cooling effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a noise reduction insulation transformer, includes casing (1), the outer wall fixed mounting of casing (1) has outer (2) of rubber, its characterized in that, the inner wall fixed mounting of casing (1) has foaming inner panel (21), and foaming inner panel (21) fills soundproof cotton layer (20) towards one side of casing (1), the inner wall of casing (1) is opened has annular (18) that the equidistance distributes, and annular (18) equidistance division have air inlet notch (26) that are linked together with the external world, the circumference outer wall fixed mounting of casing (1) has spiral subassembly (5), and spiral subassembly (5) comprise spiral main leaf (3) and spiral auxiliary leaf (4), annular (18) all weld towards one side of foaming inner panel (21) have heat exchange post (19) that the equidistance distributes, water receiving mechanism and cooling body are installed to the top of casing (1), and cooling body is including heat transfer section of thick bamboo (10) of fixed mounting in casing (1) top outer wall, the bottom both sides of heat transfer section of thick bamboo (10) are fixedly connected with play tuber pipe (16) and air inlet fill (6) respectively towards one side of casing (1), and the inner wall of air inlet fill (6) has fan (17) through the bolt fastening, heat transfer section of thick bamboo (10) are close to the one end of going out tuber pipe (16) and open there is the mounting groove, and the inner wall of mounting groove has semiconductor refrigerator (13) through the bolt fastening, one side fixed mounting that heat transfer section of thick bamboo (10) are close to semiconductor refrigerator (13) has heat transfer water conservancy diversion piece (15) of equidistance.
2. A noise-reducing insulating transformer according to claim 1, characterized in that the water receiving mechanism comprises a bracket (8) welded to the outer wall of the top of the casing (1), and the same water receiving bucket (14) is welded to the top end of the bracket (8).
3. The noise-reducing insulation transformer according to claim 2, wherein the inner wall of the water receiving hopper (14) near the top end is welded with spiral flow guide cover plates (9) distributed at equal intervals, and one side of the outer wall of the top of each spiral flow guide cover plate (9) is provided with flow guide grooves (27).
4. The noise-reducing insulation transformer according to claim 3, wherein four corners of the outer wall of the bottom of the water receiving bucket (14) are welded with the liquid outlet pipes (7), and the inner wall of one end of the water receiving bucket (14) close to the bottom is welded with the fixed sealing ring (11).
5. A noise-reducing insulation transformer according to claim 4, characterized in that a return spring (29) is welded at the inner bottom of the water receiving bucket (14), a sealing resisting plate (12) is welded at the top end of the return spring (29), and a sponge block (28) is adhered to the outer wall of the bottom of the sealing resisting plate (12).
6. A noise reducing insulation transformer according to claim 1, characterized in that a bracket (23) is installed at the inner bottom of the housing (1), and an iron core (24) is fixedly installed at the top outer wall of the bracket (23).
7. A noise reducing insulation transformer according to claim 6, characterized in that the iron core (24) is provided with a first coil (22) and a second coil (25) at two sides thereof, and the number of turns of the first coil (22) is smaller than that of the second coil (25).
8. A noise reducing insulation transformer according to claim 1, characterized in that the cooling end of the semiconductor cooler (13) is close to the heat transfer flow deflector (15).
9. A noise reducing insulation transformer according to claim 1, characterized in that one side of the heat transfer flow deflector (15) is fixedly provided with non-uniformly distributed support pieces (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308429.9A CN112489965B (en) | 2020-11-19 | 2020-11-19 | Noise reduction insulation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308429.9A CN112489965B (en) | 2020-11-19 | 2020-11-19 | Noise reduction insulation transformer |
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| Publication Number | Publication Date |
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| CN112489965A CN112489965A (en) | 2021-03-12 |
| CN112489965B true CN112489965B (en) | 2021-09-21 |
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| CN202011308429.9A Active CN112489965B (en) | 2020-11-19 | 2020-11-19 | Noise reduction insulation transformer |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135603A1 (en) * | 2012-03-13 | 2013-09-19 | Siemens Aktiengesellschaft | Reinforcement-free tank for an electromagnetic apparatus |
| CN107576382A (en) * | 2017-09-21 | 2018-01-12 | 深圳三马电器有限公司 | Noise vibration sensor and transformer noise auto testing instrument |
| CN111312471B (en) * | 2020-03-23 | 2021-06-01 | 江苏亨特集团华特电气有限公司 | Heat dissipation and noise reduction type transformer |
| CN111584194A (en) * | 2020-04-17 | 2020-08-25 | 高焕根 | Electrical equipment transformer with noise reduction function |
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2020
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Denomination of invention: A noise reducing insulation transformer Effective date of registration: 20230924 Granted publication date: 20210921 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jiangshan Qinghu Small and Micro Specialized Branch Pledgor: Zhejiang Jiangshan Boao Electric Co.,Ltd. Registration number: Y2023980058615 |
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