CN114093607A - Heat dissipation protection casing for transformer - Google Patents
Heat dissipation protection casing for transformer Download PDFInfo
- Publication number
- CN114093607A CN114093607A CN202111504677.5A CN202111504677A CN114093607A CN 114093607 A CN114093607 A CN 114093607A CN 202111504677 A CN202111504677 A CN 202111504677A CN 114093607 A CN114093607 A CN 114093607A
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- Prior art keywords
- shell
- transformer
- heat dissipation
- fixed mounting
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Classifications
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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
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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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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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
- H01F27/33—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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a heat dissipation protection shell for a transformer, which comprises a shell, fins fixed on the periphery of the outer side wall of the shell, heat dissipation through holes arranged on the side wall of the shell and positioned among the intervals of the fins, and an umbrella cover fixedly connected above the top of the shell, wherein the heat dissipation through holes are formed in the top of the shell; the upper end of the shell is open; the top fixed mounting has the rotating electrical machines in the canopy, fixed mounting has the flabellum that is located the uncovered top of casing in the central pivot of rotating electrical machines. The heat dissipation protective shell for the transformer, provided by the utility model, utilizes the rotation of the fan blades to provide air-cooled heat dissipation, the heat is discharged out of the shell through the heat dissipation through holes, the heat exchange heat dissipation is carried out by utilizing the cooling oil in the hollow channel and the heat generated by the transformer, and the heat exchange area is increased by utilizing the fins; this embodiment utilizes the canopy that covers solar energy to cover in the casing top, can produce electric energy supply rotating electrical machines and circulating pump on the one hand and use, and on the other hand can keep the cleanness of casing transformer, has improved the thermal diffusivity of transformer greatly.
Description
Technical Field
The utility model relates to a heat dissipation protection shell for a transformer, and belongs to the technical field of power equipment.
Background
The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). In electrical equipment and wireless circuits, the high-voltage power supply is often used for voltage rise and fall, impedance matching, safety isolation and the like. In a generator, an electrical potential can be induced in a coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is constant, but the amount of the magnetic flux linked with the coil varies, which is the principle of mutual induction. A transformer is a device for transforming voltage, current and impedance by using mutual electromagnetic induction.
The main functions of the transformer are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers.
Current transformer shell, generally not design the structure that is used for improving the radiating efficiency specially, but current transformer protective housing device leads to its radiating effect not very good because of the structure reason, probably cause irreversible damage to inside coil, often can lead to the transformer to damage because of the high temperature because of the slow reason of heat dissipation, even the burning explosion to cause large tracts of land area to have a power failure, fire incident etc. cause public property loss easily, serious person even explodes, cause the threat to people's life and property safety.
Patent publication No. CN105428009A relates to a transformer protective housing and a transformer device using the same. The transformer protection shell comprises side walls, shell wall surfaces formed on any side surfaces of the side walls are detachably fixed on adjacent shell wall surfaces through an inserting and fixing structure, the inserting and fixing structure comprises a jack structure and a plug pin structure which are respectively fixed at the connection position of the two shell wall surfaces, and the plug pin structure is positioned and inserted in the jack structure; the inserting and fixing structure also comprises a connecting folding edge fixed on one of the two adjacent shell wall surfaces, and the connecting folding edge is tightly attached to and fixed on the other shell wall surface through a threaded fastener. Threaded fastener can play the positioning action with connecting the hem to two adjacent shell walls, and bolt structure and jack structure can conveniently be dismantled and install when playing the positioning connection effect, and difficult pine takes off, can realize firm connection and quick dismantlement with the threaded fastener cooperation, and the handling of being convenient for, installation and maintenance can effectively improve the operating efficiency.
The patent discloses be CN204257325U well, discloses a mounting structure of making an uproar falls of dry-type transformer shell, including installing the subaerial shell body and the transformer installation base in transformer room, the shell body is towards lower extreme open-ended box structure and is the cuboid shape, transformer installation base be with the lower extreme open-ended shape matched with cuboid structure of shell body, the lower part of the internal face of four lateral walls of shell body sets up an inside prominent boss respectively, set up one respectively on the outer wall of four lateral walls of transformer installation base and corresponding boss matched with recess, transformer installation base is with every the boss joint is corresponding ground mode in the recess is installed in the lower extreme opening of shell body, every all be provided with the shock-absorbing rubber pad between boss and the corresponding recess. The noise reduction mounting structure can effectively reduce the noise of the dry-type transformer.
Although both of the above patents provide protection objects for the transformer, neither patent addresses the problem of heat dissipation of the transformer.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a heat dissipation protection shell for a transformer, which adopts a structure combining air cooling and oil cooling to improve the heat dissipation efficiency of the transformer.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a heat dissipation protection shell for a transformer comprises a shell, fins fixed on the periphery of the outer side wall of the shell, heat dissipation through holes arranged on the side wall of the shell and located among the intervals of the fins, and an umbrella cover fixedly connected above the top of the shell;
the upper end of the shell is open;
the top fixed mounting has the rotating electrical machines in the canopy, fixed mounting has the flabellum that is located the uncovered top of casing in the central pivot of rotating electrical machines.
As a further improvement of the utility model, the shell is of a double-layer middle structure, and a hollow channel is arranged in the shell; and cooling oil is filled in the hollow channel.
As a further improvement of the utility model, the device also comprises a circulating pump communicated with the hollow channel, and the circulating pump is fixed on the outer side wall of the shell.
As a further improvement of the utility model, 4-6 transformer cushion seats are fixedly arranged at the bottom of the shell.
As a further improvement of the utility model, the umbrella cover is an arc cover, and the outside of the umbrella cover is covered with a solar panel.
As a further improvement of the utility model, the umbrella cover is a tower-shaped cover, and the outside of the umbrella cover is covered with a solar panel.
The solar energy storage device comprises a solar cell panel, a circulating pump, a rotating motor, an energy storage device, a circulating pump, a rotating motor and a power supply, wherein the solar cell panel is arranged on the power supply, the circulating pump is arranged on the power supply, the rotating motor is arranged on the power supply, the circulating pump is connected with the rotating motor, the rotating motor is connected with the power supply, the power supply is connected with the power supply, and the power supply is connected with the power supply.
As a further improvement of the utility model, a fixed mounting base is fixedly mounted at the bottom of the shell.
As a further improvement of the utility model, a first mounting groove and a second mounting groove are fixedly mounted below the fixed mounting base; the first mounting groove is located below the fixed mounting base outside the shell, and the second mounting groove is located below the fixed mounting base inside the shell.
As a further improvement of the utility model, the first mounting groove and the second mounting groove both adopt channel steel.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the heat dissipation protective shell for the transformer, provided by the utility model, utilizes the rotation of the fan blades to provide air-cooled heat dissipation, the heat is discharged out of the shell through the heat dissipation through holes, the heat exchange heat dissipation is carried out by utilizing the cooling oil in the hollow channel and the heat generated by the transformer, and the heat exchange area is increased by utilizing the fins; in the embodiment, the umbrella cover for covering the solar energy is covered above the shell, so that on one hand, electric energy can be generated and supplied to the rotating motor and the circulating pump, on the other hand, the cleanness of a shell transformer can be kept, and the heat dissipation performance of the transformer is greatly improved; the bottom of the shell is provided with a fixed mounting base and a mounting groove of a channel steel type, so that the fixed mounting on the cross arm is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of the transformer mount of the present invention;
FIG. 5 is a schematic cross-sectional view of a third embodiment of the present invention;
fig. 6 is a schematic block diagram of the solar energy storage and power supply of the present invention.
Wherein:
the novel fan comprises a shell 1, fins 2, heat dissipation through holes 3, an umbrella cover 4, a rotating motor 5, a central rotating shaft 6, fan blades 7, a circulating pump 8, a hollow channel 9, a transformer cushion seat 10, a fixed mounting base 11, a first mounting groove 12 and a second mounting groove 13.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Example one
As shown in fig. 1, 3, 4 and 6, a heat dissipation protection casing for a transformer comprises a casing 1, fins 2 fixed on the periphery of the outer side wall of the casing 1, heat dissipation through holes 3 arranged on the side wall of the casing 1 and positioned between the fins 2, and an umbrella cover 4 fixedly connected above the top of the casing 1; the upper end of the shell 1 is open;
the top fixed mounting has rotating electrical machines 5 in the canopy 4, fixed mounting has the flabellum 7 that is located the uncovered top of casing 1 on the central pivot 6 of rotating electrical machines 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow channel 9 is filled with cooling oil.
The present embodiment further comprises a circulation pump 8 communicated with the hollow channel 9, wherein the circulation pump 8 is fixed on the outer side wall of the casing 1.
In this embodiment, 4 to 6 transformer pads 11 are fixedly mounted at the bottom of the housing 1.
Further, the umbrella cover 4 is an arc cover, and the outside of the umbrella cover is covered with a solar panel.
The electric energy converted by the solar cell panel is stored in the energy accumulator, the circulating pump 8 and the rotating motor 5 are respectively electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
According to the heat dissipation protective shell for the transformer, the fan blades 7 are rotated to provide air cooling heat dissipation, heat is discharged out of the shell through the heat dissipation through holes 3, heat exchange heat dissipation is performed by cooling oil in the hollow channel 9 and heat generated by the transformer, and the heat exchange area is increased by the fins 2; this embodiment utilizes the canopy 4 that covers solar energy to cover in the casing top, can produce electric energy supply rotating electrical machines and circulating pump on the one hand and use, and on the other hand can keep the cleanness of casing transformer, and this embodiment has improved the thermal diffusivity of transformer greatly.
Example two
As shown in fig. 2, 3, 4 and 6, a heat dissipation protection casing for a transformer comprises a casing 1, fins 2 fixed on the periphery of the outer side wall of the casing 1, heat dissipation through holes 3 arranged on the side wall of the casing 1 and positioned between the fins 2, and an umbrella cover 4 fixedly connected above the top of the casing 1; the upper end of the shell 1 is open;
the top fixed mounting has rotating electrical machines 5 in the canopy 4, fixed mounting has the flabellum 7 that is located the uncovered top of casing 1 on the central pivot 6 of rotating electrical machines 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow channel 9 is filled with cooling oil.
The present embodiment further comprises a circulation pump 8 communicated with the hollow channel 9, wherein the circulation pump 8 is fixed on the outer side wall of the casing 1.
In this embodiment, 4 to 6 transformer pads 11 are fixedly mounted at the bottom of the housing 1.
Further to this embodiment, the umbrella cover 4 is a tower-shaped cover, and the outside of the umbrella cover is covered with a solar panel.
The electric energy converted by the solar cell panel is stored in the energy accumulator, the circulating pump 8 and the rotating motor 5 are respectively electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
The difference between the embodiment and the first embodiment is that the umbrella cover 4 is a tower-shaped cover, which is more convenient for the installation of the solar cell panel.
EXAMPLE III
As shown in fig. 3, 4, 5 and 6, a heat dissipation protection casing for a transformer comprises a casing 1, fins 2 fixed on the periphery of the outer side wall of the casing 1, heat dissipation through holes 3 arranged on the side wall of the casing 1 and positioned between the fins 2, and an umbrella cover 4 fixedly connected above the top of the casing 1; the upper end of the shell 1 is open;
the top fixed mounting has rotating electrical machines 5 in the canopy 4, fixed mounting has the flabellum 7 that is located the uncovered top of casing 1 on the central pivot 6 of rotating electrical machines 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow channel 9 is filled with cooling oil.
The present embodiment further comprises a circulation pump 8 communicated with the hollow channel 9, wherein the circulation pump 8 is fixed on the outer side wall of the casing 1.
In this embodiment, 4 to 6 transformer pads 11 are fixedly mounted at the bottom of the housing 1.
Further, the umbrella cover 4 is an arc cover, and the outside of the umbrella cover is covered with a solar panel.
The electric energy converted by the solar cell panel is stored in the energy accumulator, the circulating pump 8 and the rotating motor 5 are respectively electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
In this embodiment, a fixed mounting base 11 is fixedly mounted at the bottom of the housing 1.
Further, a first mounting groove 12 and a second mounting groove 13 are fixedly mounted below the fixed mounting base 11;
the first mounting groove 12 is located below the fixed mounting base 11 outside the housing 1, and the second mounting groove 13 is located below the fixed mounting base 11 inside the housing 1.
Further, in this embodiment, the first installation groove 12 and the second installation groove 13 both adopt channel steel.
In this embodiment, on the basis of embodiment one, the fixed mounting base 11 and the mounting groove of channel steel type are increased, and the fixed mounting on the cross arm of the platform district is convenient for.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the utility model. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A transformer is with heat dissipation protection casing which characterized in that: comprises a shell (1), fins (2) fixed on the periphery of the outer side wall of the shell (1), heat dissipation through holes (3) arranged on the side wall of the shell (1) and positioned among the fins (2) at intervals, and an umbrella cover (4) fixedly connected above the top of the shell (1);
the upper end of the shell (1) is open;
top fixed mounting has rotating electrical machines (5) in canopy (4), fixed mounting has flabellum (7) that are located the uncovered top of casing (1) on central pivot (6) of rotating electrical machines (5).
2. The heat dissipation protective housing for the transformer as recited in claim 1, wherein: the shell (1) is of a double-layer middle structure, and a hollow channel (9) is formed in the shell; and cooling oil is filled in the hollow channel (9).
3. The heat dissipation protective housing for the transformer as recited in claim 2, wherein: the device is characterized by further comprising a circulating pump (8) communicated with the hollow channel (9), wherein the circulating pump (8) is fixed on the outer side wall of the shell (1).
4. The heat dissipation protective housing for the transformer as recited in claim 3, wherein: 4-6 transformer cushion seats (11) are fixedly arranged at the bottom of the shell (1).
5. The heat dissipation protective housing for the transformer as recited in claim 4, wherein: the umbrella cover (4) is an arc cover, and a solar cell panel is covered outside the umbrella cover.
6. The heat dissipation protective housing for the transformer as recited in claim 4, wherein: the umbrella cover (4) is a tower-shaped cover, and a solar cell panel is covered outside the umbrella cover.
7. The heat radiation protection housing for the transformer as claimed in claim 5 or 6, wherein: the solar energy storage device is characterized in that electric energy converted by the solar panel is stored in the energy storage device, the circulating pump (8) and the rotating motor (5) are respectively electrically connected with the energy storage device, and the energy storage device provides electric energy for the circulating pump (8) and the rotating motor (5).
8. The heat dissipation protective housing for the transformer as recited in claim 7, wherein: the bottom of the shell (1) is fixedly provided with a fixed mounting base (11).
9. The heat dissipation protective housing for the transformer as recited in claim 8, wherein: a first mounting groove (12) and a second mounting groove (13) are fixedly mounted below the fixed mounting base (11);
the first mounting groove (12) is located below a fixed mounting base (11) on the outer side of the shell (1), and the second mounting groove (13) is located below the fixed mounting base (11) on the inner side of the shell (1).
10. The heat dissipation protective housing for the transformer as recited in claim 9, wherein: the first mounting groove (12) and the second mounting groove (13) are both made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111504677.5A CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111504677.5A CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
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| Publication Number | Publication Date |
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| CN114093607A true CN114093607A (en) | 2022-02-25 |
| CN114093607B CN114093607B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111504677.5A Active CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030197583A1 (en) * | 2002-04-23 | 2003-10-23 | Bu-Sik Choi | Method and device for cooling high voltage transformer for microwave oven |
| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN104577826A (en) * | 2015-01-01 | 2015-04-29 | 袁茂银 | Radiating system for box-type substation and application thereof |
| CN206059094U (en) * | 2016-08-19 | 2017-03-29 | 广州市花都区广尔中电子厂 | A kind of transformator with chiller |
| CN211455479U (en) * | 2019-08-07 | 2020-09-08 | 江西鑫固电气有限公司 | Low-energy-consumption fully-sealed oil-immersed air-cooled power transformer |
| CN112509786A (en) * | 2020-11-25 | 2021-03-16 | 江苏恒屹变压器股份有限公司 | Explosion-proof anti-solarization transformer convenient to dissipate heat |
| CN213752235U (en) * | 2020-12-31 | 2021-07-20 | 苏州国网同方电力建设工程有限公司 | Energy-saving transformer for substation |
-
2021
- 2021-12-10 CN CN202111504677.5A patent/CN114093607B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030197583A1 (en) * | 2002-04-23 | 2003-10-23 | Bu-Sik Choi | Method and device for cooling high voltage transformer for microwave oven |
| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN104577826A (en) * | 2015-01-01 | 2015-04-29 | 袁茂银 | Radiating system for box-type substation and application thereof |
| CN206059094U (en) * | 2016-08-19 | 2017-03-29 | 广州市花都区广尔中电子厂 | A kind of transformator with chiller |
| CN211455479U (en) * | 2019-08-07 | 2020-09-08 | 江西鑫固电气有限公司 | Low-energy-consumption fully-sealed oil-immersed air-cooled power transformer |
| CN112509786A (en) * | 2020-11-25 | 2021-03-16 | 江苏恒屹变压器股份有限公司 | Explosion-proof anti-solarization transformer convenient to dissipate heat |
| CN213752235U (en) * | 2020-12-31 | 2021-07-20 | 苏州国网同方电力建设工程有限公司 | Energy-saving transformer for substation |
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| CN114093607B (en) | 2023-07-25 |
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