CN112735781A - Cooling and noise reducing dry-type transformer - Google Patents
Cooling and noise reducing dry-type transformer Download PDFInfo
- Publication number
- CN112735781A CN112735781A CN202011512826.8A CN202011512826A CN112735781A CN 112735781 A CN112735781 A CN 112735781A CN 202011512826 A CN202011512826 A CN 202011512826A CN 112735781 A CN112735781 A CN 112735781A
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- Prior art keywords
- cooling
- type transformer
- liquid
- wall
- cavity
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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
- H01F27/022—Encapsulation
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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
- H01F27/10—Liquid 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
Abstract
The invention discloses a cooling and noise reducing dry-type transformer which comprises a shell, wherein the side wall of the shell is provided with a plurality of air outlet holes, the side wall of the shell is provided with a strip-shaped cavity, the strip-shaped cavity penetrates through the plurality of air outlet holes, the inner wall of the strip-shaped cavity is connected with a sliding plate in a sealing and sliding manner, the side wall of the sliding plate is provided with a plurality of through holes matched with the air outlet holes, the lower end of the sliding plate is elastically connected with the bottom of the strip-shaped cavity through a spring, the upper end of the shell is provided with a cavity, the inner wall of the cavity is fixedly connected with a tuning fork, the. According to the invention, the dry-type transformer is used for generating noise to enable the tuning fork to resonate, so that the tuning fork drives the permanent magnet block to move, the spiral coil moves relative to the permanent magnet block and cuts the magnetic induction lines, and further induction current is generated on the spiral coil, so that the sound energy in the noise is effectively converted into electric energy, and the transmission of the noise is reduced.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a cooling and noise reduction type dry-type transformer.
Background
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil.
The dry-type transformer can produce a certain amount of noise during operation, but the size of noise is relevant with the use regulation of dry-type transformer, the noise is less when the dry-type transformer is normal use, and be through natural air convection cooling this moment, namely set up a plurality of ventilation holes at the transformer lateral wall, the noise is great when the dry-type transformer is used at high load, if install the comfort level of indoor environment that will great influence with the dry-type transformer indoor, and through forced air cooling this moment, make the transformer be in overload operation more, it is great to load loss and impedance voltage increase, the energy consumption is great.
Based on the above, the invention provides a cooling and noise reduction dry-type transformer.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a cooling and noise reduction dry-type transformer.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cooling type of making an uproar dry-type transformer that falls, includes the casing, a plurality of ventholes have been seted up to the casing lateral wall, the bar chamber has been seted up to the casing lateral wall, the bar chamber runs through a plurality of ventholes and sets up, bar intracavity wall sealing sliding connection has the slide, the slide lateral wall is seted up a plurality ofly and venthole complex through-hole, the slide lower extreme passes through spring and bar intracavity bottom elastic connection, the cavity has been seted up to the casing upper end, cavity inner wall fixedly connected with tuning fork, the fixed cover of tuning fork lateral wall has cup jointed a plurality of permanent magnetism blocks, the cavity inner wall inlays and is equipped with helical coil, the bar intracavity is installed and is carried out the adjustment mechanism who adjusts the position of slide, the stock solution chamber has been seted up to the casing lower extreme.
Preferably, the adjusting mechanism comprises an electromagnet fixedly connected to the top of the bar-shaped cavity, the spiral coil is coupled with the electromagnet, and a permanent magnet attracted with the electromagnet is embedded at the upper end of the sliding plate.
Preferably, pump liquid mechanism includes the imbibition bag at top in the casing of fixed connection, two electromagnetic plates of imbibition bag inner wall fixedly connected with, helical coil passes through on-off control module and two electromagnetic plate coupling connections, the imbibition bag lateral wall is connected with stock solution intracavity wall below through one-way pipette, the inner wall that one-way pipette was kept away from to the imbibition bag is connected with stock solution intracavity wall top through one-way drain pipe.
Preferably, two of the electromagnetic plates are opposite in polarity.
Preferably, the magnetic poles of the permanent magnets are in the same direction, and the spiral coil is perpendicular to the direction of the magnetic force lines of the permanent magnets.
Preferably, the liquid storage cavity is internally provided with cooling liquid, and the top of the liquid storage cavity is fixedly connected with a plurality of elastic membranes.
The invention has the following beneficial effects:
1. by arranging the tuning fork, the permanent magnet and the spiral coil, when the dry-type transformer generates noise, the tuning fork resonates, and then the tuning fork drives the permanent magnet to move, so that the spiral coil moves relative to the permanent magnet and cuts magnetic induction lines, and further induction current is generated on the spiral coil, so that sound energy in the noise is effectively converted into electric energy, and the transmission of the noise is reduced;
2. by arranging the sliding plate, the electromagnet, the permanent magnet and the spring, when the dry-type transformer works normally, the noise is low, the moving speed of the spiral coil relative to the permanent magnet is low, so that induced current generated on the spiral coil is low, the attraction force of the electromagnet on the permanent magnet is insufficient to overcome the elasticity of the spring after the electromagnet is electrified, the sliding plate is kept still, and the air outlet hole is enabled to radiate heat in the transformer normally;
3. when the dry type transformer is used under high load, the noise is high at the moment, so that the moving speed of the spiral coil relative to the permanent magnet block is high, the induced current generated on the spiral coil is high, the attraction force between the electromagnet and the permanent magnet is enough to overcome the elastic force of the spring, the sliding plate slides upwards to enable the through hole and the air outlet hole to be staggered, the noise generated in the shell cannot flow out through the air outlet hole, and the influence of the noise on the life of residents is reduced;
4. through setting up stock solution chamber, imbibition bag, electromagnetic plate, one-way pipette and one-way drain pipe, the induced-current periodicity that produces is gone up and is cut off the power supply to two electromagnetic plates on the helix circle, and then the periodic production of suction between two electromagnetic plates with disappear, and then periodic shrink of imbibition bag and extension, and then flow the coolant liquid in the stock solution chamber in the casing through one-way pipette and one-way drain pipe for thermal absorption in the casing.
Drawings
Fig. 1 is a schematic structural diagram of a cooling and noise-reducing dry-type transformer according to the present invention;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: the device comprises a shell 1, air outlet holes 2, strip-shaped cavities 3, sliding plates 4, through holes 5, springs 6, cavities 7, tuning forks 8, permanent magnetic blocks 9, spiral coils 10, electromagnets 11, permanent magnets 12, liquid storage cavities 13, liquid suction bags 14, electromagnetic plates 15, unidirectional liquid suction pipes 16, unidirectional liquid outlet pipes 17 and elastic membranes 18.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1-2, a cooling and noise reducing dry-type transformer comprises a shell 1, wherein a plurality of air outlets 2 are formed in the side wall of the shell 1, a strip-shaped cavity 3 is formed in the side wall of the shell 1, the strip-shaped cavity 3 penetrates through the plurality of air outlets 2, a sliding plate 4 is connected to the inner wall of the strip-shaped cavity 3 in a sealing and sliding manner, a plurality of through holes 5 matched with the air outlets 2 are formed in the side wall of the sliding plate 4, and the lower end of the sliding plate 4 is elastically connected with the bottom of the.
Cavity 7 has been seted up to 1 upper end of casing, cavity 7 inner wall fixedly connected with tuning fork 8, the fixed cover of 8 lateral walls of tuning fork has been cup jointed a plurality of permanent magnetism blocks 9, cavity 7 inner wall inlays and is equipped with helical coil 10, install the adjustment mechanism who adjusts the position of slide 4 in the bar chamber 3, adjustment mechanism includes the electro-magnet 11 of fixed connection at the top in bar chamber 3, helical coil 10 is connected with electro-magnet 11 coupling, slide 4 upper end inlays and is equipped with the permanent magnet 12 of inhaling mutually with electro-magnet 11, it is required to explain, ventilation hole has all been seted up to bar chamber 3 inner wall top and below for the pressure change in bar chamber 3 when balanced slide 4 slides.
A liquid storage cavity 13 is formed in the lower end of the shell 1, cooling liquid is arranged in the liquid storage cavity 13, and a liquid pumping mechanism for enabling the cooling liquid in the liquid storage cavity 13 to flow in the shell 1 in a circulating mode is installed in the shell 1.
Pump liquid mechanism includes the imbibition bag 14 at top in fixed connection casing 1, two electromagnetic plates 15 of 14 inner walls fixedly connected with of imbibition bag, two electromagnetic plates 15 heteropolarity are relative, helical coil 10 passes through on-off control module and two 15 coupling connections of electromagnetic plate, it needs to explain, on-off control module makes the electric current can be periodically to two electromagnetic plates 15 on circular telegram and outage, for prior art, do not describe here repeatedly, imbibition bag 14 lateral wall is connected with stock solution cavity 13 inner wall below through one-way pipette 16, imbibition bag 14 keeps away from the inner wall of one-way pipette 16 and is connected with stock solution cavity 13 inner wall top through one-way drain pipe 17.
It should be noted that the one-way pipette 16 only allows the coolant to enter the pipette bulb 14 from the reservoir 13, and the one-way drain 17 only allows the coolant to enter the reservoir 13 from the pipette bulb 14.
The magnetic pole directions of the permanent magnets 9 are the same, the spiral coil 10 is perpendicular to the magnetic line direction of the permanent magnets 9, further, when noise is generated in the shell 1, resonance of the tuning fork 8 can be caused at the moment, the tuning fork 8 can drive the permanent magnets 9 to vibrate when vibrating, the permanent magnets 9 can reciprocate in a small range, the spiral coil 10 can reciprocate relative to the permanent magnets 9 and cut magnetic induction lines, and the spiral coil 10 can generate induction current.
It is worth mentioning that the magnitude of the induced current on the spiral coil 10 is in direct proportion to the moving speed of the permanent magnet 9, that is, when the noise in the shell 1 is small, the resonance amplitude of the tuning fork 8 is small at this time, so that the moving speed of the permanent magnet 9 is slow, and further the induced current generated on the spiral coil 10 is small, and when the noise in the shell 1 is large, the resonance amplitude of the tuning fork 8 is large at this time, so that the moving speed of the permanent magnet 9 is fast, and further the induced current generated on the spiral coil 10 is large.
A plurality of elastic membranes 18 are fixedly connected to the top of the liquid storage cavity 13 for balancing the pressure change caused by the unidirectional liquid suction tube 16 and the unidirectional liquid outlet tube 17 in the liquid storage cavity 13 when the liquid suction bag 14 deforms.
In the invention, noise generated when the dry-type transformer works drives the tuning fork 8 to resonate, so that the permanent magnets 9 fixedly sleeved on the tuning fork 8 vibrate, the permanent magnets 9 can reciprocate in a small range, the spiral coil 10 can reciprocate relative to the permanent magnets 9 and cut magnetic induction lines, the spiral coil 10 generates induction current, the spiral coil 10 periodically energizes and deenergizes the two electromagnetic plates 15 through the switch control module, the suction force between the two electromagnetic plates 15 periodically generates and disappears, the space in the liquid suction bag 14 is periodically reduced and increased, cooling liquid in the liquid storage cavity 13 circularly flows in the shell 1 through the one-way liquid suction pipe 16 and the one-way liquid outlet pipe 17, and the absorption of heat in the shell 1 is accelerated;
the magnitude of the induced current on the spiral coil 10 is in direct proportion to the moving speed of the permanent magnets 9, so that when the dry-type transformer works normally, the noise generated in the dry-type transformer is small and cannot influence the life of residents, the resonance amplitude of the tuning fork 8 is small, the reciprocating moving speed of the permanent magnets 9 is low, the magnetic induction cutting speed of the spiral coil 10 is low, the induced current generated on the spiral coil 10 is small, the attraction force of the electromagnet 11 on the permanent magnet 12 after being electrified is not enough to overcome the elastic force of the spring 6, the sliding plate 4 is kept still, the air outlet 2 can normally radiate the heat in the shell, when the noise in the shell 1 is large and influences the life of residents, the resonance amplitude of the tuning fork 8 is large, the reciprocating moving speed of the permanent magnets 9 is high, and the magnetic induction cutting speed of the spiral coil 10 is high, and then the induced current that produces on spiral coil 10 is great for the suction between electro-magnet 11 and the permanent magnet 12 is enough to overcome the elasticity of spring 6, and then slide on 4 and make through-hole 5 misplace with venthole 2, makes the noise that produces in the casing 1 unable through venthole 2 outflow, thereby the influence of noise to resident's life is reduced.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. The cooling and noise reduction dry-type transformer comprises a shell (1), wherein a plurality of air outlet holes (2) are formed in the side wall of the shell (1), and is characterized in that a strip-shaped cavity (3) is formed in the side wall of the shell (1), the strip-shaped cavity (3) penetrates through the air outlet holes (2) to be arranged, a sliding plate (4) is connected to the inner wall of the strip-shaped cavity (3) in a sealing and sliding manner, a plurality of through holes (5) matched with the air outlet holes (2) are formed in the side wall of the sliding plate (4), the lower end of the sliding plate (4) is elastically connected with the bottom of the strip-shaped cavity (3) through a spring (6), a cavity (7) is formed in the upper end of the shell (1), a tuning fork (8) is fixedly connected to the inner wall of the cavity (7), a plurality of permanent magnetic blocks (9) are fixedly sleeved on the side wall of the tuning fork (8), a spiral coil (10) is embedded in, liquid storage cavity (13) has been seted up to casing (1) lower extreme, install in casing (1) with the coolant liquid in liquid storage cavity (13) pump liquid mechanism of circulation flow in casing (1).
2. A cooling and noise reducing dry-type transformer according to claim 1, wherein the adjusting mechanism comprises an electromagnet (11) fixedly connected to the top of the bar-shaped cavity (3), the spiral coil (10) is coupled with the electromagnet (11), and a permanent magnet (12) attracted to the electromagnet (11) is embedded at the upper end of the sliding plate (4).
3. The cooling and noise reduction dry-type transformer according to claim 1, wherein the liquid pumping mechanism comprises a liquid suction bag (14) fixedly connected to the inner top of the housing (1), the inner wall of the liquid suction bag (14) is fixedly connected with two electromagnetic plates (15), the spiral coil (10) is coupled with the two electromagnetic plates (15) through a switch control module, the side wall of the liquid suction bag (14) is connected with the lower portion of the inner wall of the liquid storage cavity (13) through a one-way liquid suction pipe (16), and the inner wall of the liquid suction bag (14) far away from the one-way liquid suction pipe (16) is connected with the upper portion of the inner wall of the liquid storage cavity (13) through a one-way liquid outlet pipe (17).
4. A cooling and noise reducing dry-type transformer according to claim 3, wherein the two electromagnetic plates (15) are opposite in opposite poles.
5. A cooling and noise reducing dry-type transformer according to claim 1, wherein the magnetic poles of the permanent magnets (9) are in the same direction, and the spiral coil (10) is perpendicular to the magnetic force line direction of the permanent magnets (9).
6. A cooling and noise reducing dry-type transformer according to claim 1, wherein the liquid storage cavity (13) is filled with cooling liquid, and a plurality of elastic films (18) are fixedly connected to the top of the liquid storage cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512826.8A CN112735781A (en) | 2020-12-20 | 2020-12-20 | Cooling and noise reducing dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512826.8A CN112735781A (en) | 2020-12-20 | 2020-12-20 | Cooling and noise reducing dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112735781A true CN112735781A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512826.8A Withdrawn CN112735781A (en) | 2020-12-20 | 2020-12-20 | Cooling and noise reducing dry-type transformer |
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| Country | Link |
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| CN (1) | CN112735781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113490370A (en) * | 2021-07-13 | 2021-10-08 | 浙江融乐环境科技有限公司 | Constant pressure water supply equipment control cabinet that radiating effect is good |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206849613U (en) * | 2017-06-01 | 2018-01-05 | 河南长基电力有限公司 | A kind of subway transformer noise preventing device |
| CN208423556U (en) * | 2018-08-04 | 2019-01-22 | 温州昌泰电气有限公司 | A kind of box-type substation with decrease of noise functions |
| CN111615304A (en) * | 2020-05-28 | 2020-09-01 | 梁仕华 | Big data server is with intelligent ventilation governing system |
| CN111726974A (en) * | 2020-07-23 | 2020-09-29 | 卓烁民 | Electrical cabinet with insect-expelling and high-heat-dissipation functions |
| CN111864563A (en) * | 2020-07-28 | 2020-10-30 | 沈永夫 | Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle |
| CN212182126U (en) * | 2019-11-07 | 2020-12-18 | 咸阳师范学院 | Noise reduction structure for dry-type transformer |
-
2020
- 2020-12-20 CN CN202011512826.8A patent/CN112735781A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206849613U (en) * | 2017-06-01 | 2018-01-05 | 河南长基电力有限公司 | A kind of subway transformer noise preventing device |
| CN208423556U (en) * | 2018-08-04 | 2019-01-22 | 温州昌泰电气有限公司 | A kind of box-type substation with decrease of noise functions |
| CN212182126U (en) * | 2019-11-07 | 2020-12-18 | 咸阳师范学院 | Noise reduction structure for dry-type transformer |
| CN111615304A (en) * | 2020-05-28 | 2020-09-01 | 梁仕华 | Big data server is with intelligent ventilation governing system |
| CN111726974A (en) * | 2020-07-23 | 2020-09-29 | 卓烁民 | Electrical cabinet with insect-expelling and high-heat-dissipation functions |
| CN111864563A (en) * | 2020-07-28 | 2020-10-30 | 沈永夫 | Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113490370A (en) * | 2021-07-13 | 2021-10-08 | 浙江融乐环境科技有限公司 | Constant pressure water supply equipment control cabinet that radiating effect is good |
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Application publication date: 20210430 |
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| WW01 | Invention patent application withdrawn after publication |