CN111768950B - Mounting method for shell heat dissipation and dust removal device - Google Patents

Mounting method for shell heat dissipation and dust removal device Download PDF

Info

Publication number
CN111768950B
CN111768950B CN202010535657.3A CN202010535657A CN111768950B CN 111768950 B CN111768950 B CN 111768950B CN 202010535657 A CN202010535657 A CN 202010535657A CN 111768950 B CN111768950 B CN 111768950B
Authority
CN
China
Prior art keywords
side wall
wall
plate
water channel
moving plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010535657.3A
Other languages
Chinese (zh)
Other versions
CN111768950A (en
Inventor
岑毅君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Zhongkai Sheel Co ltd
Original Assignee
Ningbo Zhongkai Sheel Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Zhongkai Sheel Co ltd filed Critical Ningbo Zhongkai Sheel Co ltd
Priority to CN202010535657.3A priority Critical patent/CN111768950B/en
Publication of CN111768950A publication Critical patent/CN111768950A/en
Application granted granted Critical
Publication of CN111768950B publication Critical patent/CN111768950B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • 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
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to an installation method for a shell heat dissipation and dust removal device, which comprises the following steps: the first step is as follows: selecting a transformer body, wherein two sides of the transformer body are first side walls; the second step is that: fixedly connecting a second side wall to the outer side of the first side wall, wherein the top and the bottom of the second side wall are provided with folded edges, so that a gap is reserved between the first side wall and the second side wall, the second side wall is provided with a fastening through hole penetrating through the folded edges, the first side wall and the second side wall are fixedly provided with back walls on the same plane of a back plate of the transformer body, and a water channel wall is also fixedly arranged between the first side wall and the second side wall; the third step: digging a movable first moving plate on the wall of the water channel, wherein the first moving plate is provided with a sponge wiping block, and the first moving plate is provided with a driving component connected with the back wall. In the process of wiping the sponge wiper block, dust in the air inlet can be wiped off, the air inlet can be wetted, the air temperature is reduced, and meanwhile, part of dust in the air is removed.

Description

Mounting method for shell heat dissipation and dust removal device
Technical Field
The invention relates to the installation of a shell heat dissipation device, in particular to an installation method for a shell heat dissipation and dust removal device.
Background
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). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: in power transformers and special transformers (electric furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors and the like), the heat dissipation requirements of the transformers are high, and dust is a killer of electronic components.
The transformer is a complete set of potential device, can be used to terminal power supply and looped netowrk power supply, the conversion is very convenient, the reliability and the flexibility of power supply have been guaranteed, but the transformer can produce a lot of heats at the operation in-process, traditional transformer heat dissipation is mainly through setting up wind channel or oil duct in the ware body, take away the heat through the circulation flow of gas or oil and dispel the heat, its maintenance degree of difficulty is high, produce the dust easily, and with strong points to the type of transformer, do not have universal applicability, the tradition is also with the radiating mode of fin, but the fin sets up inside usually, but such radiating efficiency is not high.
The conventional transformer heat dissipation case has the following disadvantages: the interior easily produces the dust, and the radiating efficiency is limited, and secondly, if whole replacement cost is too high for current transformer figure is huge, for this reason, on original heat dissipation basis, we propose a transformer housing suitable for indoor installs the installation method of heat dissipation dust collector additional.
Disclosure of Invention
Based on the problems in the background art, the invention provides a method for installing a transformer shell heat dissipation and dust removal device suitable for indoor use.
A mounting method for a shell heat dissipation and dust removal device comprises the following steps:
the first step is as follows: selecting a transformer body, wherein two sides of the transformer body are first side walls, fastening holes are drilled at the connecting positions of the first side walls and the top and the bottom of the transformer body, and air inlets and air outlets are formed in the first side walls;
the second step: a second side wall is fixedly connected to the outer side of the first side wall, the top and the bottom of the second side wall are provided with folded edges, a gap is reserved between the first side wall and the second side wall, the second side wall is provided with a fastening through hole penetrating through the folded edges, a back wall is fixed on the same plane of the back plate of the transformer body by the first side wall and the second side wall, a water channel wall is further fixed between the first side wall and the second side wall, the first side wall, the second side wall, the back wall and the water channel wall form a closed space water channel, and an air inlet and an air outlet which correspond to the first side wall are arranged on the second side wall;
the third step: digging a movable first moving plate on the wall of the water channel, installing a sponge wiping block on the first moving plate, arranging a water inlet on the back wall, arranging a water outlet at the bottom of the back wall, and installing and connecting a driving assembly positioned on the back wall on the first moving plate.
Processing has the collection inclined plane on first lateral wall bottom hem, it communicates in the water course to collect the inclined plane, drive assembly includes motor and pivot, the motor is installed behind the back of the body wall, the motor is connected with the pivot, first move the board be equipped with pivot complex screw thread. The back wall is fixed with a supporting rod penetrating through the water channel and the first moving plate, the supporting rod is provided with a stretchable sponge ring, one end of the sponge ring is fixed on the back wall, and the other end of the sponge ring is fixed on the first moving plate.
The collecting device is characterized in that a movable collecting plate is arranged on the water channel wall, a collecting support rod is arranged on the collecting plate, the collecting support rod is fixed on the back wall and penetrates through the collecting plate, and a connecting plate is arranged between the collecting plate and the first moving plate.
The sponge ring is provided with a water filtering ring, the water filtering ring is composed of two C-shaped pieces, the C-shaped pieces are connected with handles, the handles are hinged through a water filtering shaft, the tail ends of the handles are fixedly connected with contraction springs, and electromagnets are installed at positions, close to the contraction springs, of the handles.
The air outlet is also provided with a second moving plate, the second moving plate is provided with a supporting rod fixed on the back wall, the second moving plate is provided with a sponge wiping block, a supporting rod, a sponge ring and a water filtering ring which are consistent with the first moving plate, and a connecting plate is arranged between the second moving plate and the first moving plate.
The mounting method has the advantages that the existing transformer can have excellent heat dissipation and dust removal effects through simple transformation, the purpose of replacing the whole transformer is achieved by only mounting the additional heat dissipation and dust removal device, and cost is effectively saved.
The heat dissipation and dust removal device has the following beneficial effects: the sponge wiping block is in interference fit with the second side wall, dust in the air inlet can be wiped off in the wiping process, the air inlet can be wetted, partial dust in the air can be removed while the air temperature is reduced, and then excessive moisture in the sponge wiping block can fall down along the second side wall so as to flow out along the water channel, partial dust is discharged simultaneously by sewage, the sponge ring is placed in the space between the first side wall and the second side wall, the temperature in the air can be reduced, the dust in the air can be absorbed, the sponge wiping block can be taken into the water channel after a period of time and washed by tap water for recycling, and the water filtering ring is used for squeezing excessive moisture in the sponge ring, so that the sponge ring can be kept wet, and excessive water is prevented from entering the shell.
Drawings
FIG. 1 is a perspective view of the housing heat dissipation and dust removal device of the present invention mounted on a transformer cabinet (the cabinet doors of the present invention are omitted);
FIG. 2 is a front sectional view of a housing heat dissipation and dust removal device installed on a transformer cabinet according to an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2 (with the air inlet shown in phantom);
FIG. 4 is a sectional view taken along line B-B of FIG. 3;
FIG. 5 is a front sectional view of a second housing heat dissipation and dust removal device mounted on a transformer cabinet according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;
FIG. 7 is a front sectional view of the three-casing heat dissipation and dust removal device installed on a transformer cabinet according to the embodiment of the present invention;
FIG. 8 is a sectional view taken along line D-D of FIG. 7;
fig. 9 is a detail water straining ring.
Reference numerals are as follows: a first side wall 10; a second side wall 11; an air inlet 12; an air outlet 13; a transformer body 2; a water channel 3; a motor 30; a first moving plate 31; a rotating shaft 32; a strut 33; a collection ramp 34; a water filtration ring 35; a handle 351; an electromagnet 352; a retraction spring 353; a sponge ring 36; a water inlet 37; a water outlet 38; a sponge wiper 39; a connecting plate 40; a collecting plate 41; a collection strut 42; a second moving plate 43; a support bar 44.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The following examples were obtained by the mounting procedure in the specification.
The first embodiment is as follows: referring to fig. 1, 2, 3, 4 and 9, in the method for installing the casing heat dissipation and dust removal device, the casing heat dissipation and dust removal device is installed on a transformer body 2, a first side wall 10 of the transformer body is installed on a second side wall 11 which is parallel to the first side wall, an air inlet 12 and an air outlet 13 are respectively arranged on the first side wall and the second side wall, a gap is left between the first side wall and the second side wall, a water channel 3 is arranged in the gap and close to a back wall, the water channel is a closed space surrounded by the back wall, the first side wall, the second side wall and a water channel wall, a first movable plate 31 which is movable and perpendicular to the side walls is arranged on the water channel 3, a sponge wiping block 39 is arranged on the first movable plate 31, the sponge wiping block 39 is in direct contact with the second side wall 11 far away from the transformer body, the height of the first movable plate is slightly higher than the whole height of the air inlet, a water inlet 37 is arranged at the top of the water channel 3, a water outlet 38 is arranged at the bottom of the water channel 3, the first movable plate 31 is connected with a driving assembly, an inclined plane is arranged on the movable plate 31, the inclined plane is close to the gap of the water channel and becomes thinner along the water channel.
A collection inclined plane 34 is arranged at the bottom between the first side wall and the second side wall, the collection inclined plane is communicated into the water channel 3, the water inlet of the water channel is connected into a tap water pipe, the water outlet of the water channel is connected into a drain pipe, the driving assembly comprises a motor 30 and a rotating shaft 32, and the first moving plate is provided with threads matched with the rotating shaft.
Be fixed with the branch 33 that runs through water course and first board that moves on the back of the body wall, be equipped with on the branch 33 and can tensile sponge ring 36, the sponge ring is placed in the space of first lateral wall and second lateral wall, not only can reduce the temperature in the air but also can absorb the dust in the air, then collects in the water course after a period and washes with the running water and can reuse, sponge ring one end is fixed on the back of the body wall, the other end is fixed on first board that moves.
The sponge ring 36 is provided with a water filtering ring, the water filtering ring is used for extruding excessive moisture in the sponge ring and preventing excessive water from entering the shell, the sponge wiping block is not required to be extruded because the sponge wiping block is in interference fit with the second side wall, dust in an air inlet can be wiped off in the wiping process, part of dust in air removed by the wet air inlet can be invaded, excessive moisture in the sponge wiping block can fall down along the second side wall and then flow out along a water channel, the water filtering ring is composed of two C-shaped pieces, the C-shaped pieces are connected with handles 351, the two handles 351 are connected through a water filtering shaft, the tail ends of the handles are connected with a contraction spring 353, and electromagnets 352 are arranged at positions, close to the contraction spring, of the handles.
Example two: referring to fig. 5 and 6, the following technical features are added on the basis of the first embodiment, a movable collecting plate 41 is disposed on the water channel 3, the collecting plate 41 may be matched with a water channel wall to form a closed water channel, an opening may be disposed on the collecting plate for dust and water to flow into the water channel, a collecting strut 42 is disposed on the collecting plate, the collecting strut 42 is fixed on the back wall and penetrates through the collecting plate, a connecting plate 41 is disposed between the collecting plate and the first moving plate, and the connecting plate is used for fixedly connecting the first moving plate and the collecting plate so that the first moving plate and the collecting plate keep moving synchronously.
Example three: referring to fig. 7 and 8, the technical characteristics are added on the basis of the first and second embodiments, a second moving plate 43 is also arranged at the air outlet 13, the second moving plate 43 is provided with a support rod 44 fixed on the back wall, the second moving plate 43 is provided with a sponge wiping block 39, a support rod 33, a sponge ring 36 and a water filtering ring 35 which are consistent with the second moving plate, a connecting plate 41 is arranged between the second moving plate 43 and the first moving plate, and the connecting plate is used for fixedly connecting the first moving plate and the second moving plate so that the first moving plate and the second moving plate can synchronously move.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (5)

1. The mounting method for the shell heat dissipation and dust removal device is characterized by comprising the following steps of:
the first step is as follows: selecting a transformer body (2), wherein two sides of the transformer body are provided with first side walls (11), fastening holes are drilled at the connecting parts of the first side walls (11) and the top and the bottom of the transformer body, and air inlets (12) and air outlets (13) are arranged on the first side walls;
the second step is that: a second side wall (12) is fixedly connected to the outer side of the first side wall (11), the top and the bottom of the second side wall (12) are provided with folded edges, a gap is reserved between the first side wall and the second side wall, the second side wall (12) is provided with a fastening through hole penetrating through the folded edges, the first side wall and the second side wall are fixedly provided with back walls on the same plane of a back plate of the transformer body (2), a water channel wall is further fixedly arranged between the first side wall and the second side wall, the first side wall, the second side wall, the back walls and the water channel wall form a closed space water channel (3), and an air inlet (12) and an air outlet (13) corresponding to the first side wall are mounted on the second side wall;
the third step: digging a movable first moving plate (31) on the wall of the water channel, installing a sponge wiping block (39) on the first moving plate (31), forming a water inlet (37) on the back wall, forming a water outlet (38) at the bottom of the back wall, and installing and connecting a driving assembly on the back wall on the first moving plate (31); the first moving plate is provided with an inclined surface, and the inclined surface is matched with the notch of the water channel wall; be fixed with branch (33) that run through the water course and first board that moves on the back wall, be equipped with on branch (33) and tensile sponge ring (36), sponge ring one end is fixed on the back wall, and the other end is fixed on first board that moves.
2. The mounting method according to claim 1, wherein a collection bevel (34) is formed on the bottom folded edge of the first side wall, the collection bevel is communicated with the water channel (3), the driving assembly comprises a motor (30) and a rotating shaft (32), the motor is mounted behind the back wall, the motor is connected with the rotating shaft (32), and the first moving plate is provided with a thread matched with the rotating shaft.
3. Installation method according to claim 1, characterised in that the wall of the water channel is provided with a movable collecting plate (41) and the collecting plate is provided with collecting struts (42), the collecting struts (42) being fixed to the back wall and extending through the collecting plate, and in that a connecting plate (41) is provided between the collecting plate and the first moving plate.
4. The mounting method according to claim 1, wherein a water filtering ring is arranged on the sponge ring (36), the water filtering ring is composed of two C-shaped pieces, handles (351) are connected to the C-shaped pieces, the two handles (351) are hinged through a water filtering shaft (350), a contraction spring (353) is fixedly connected to the tail end of each handle, and an electromagnet (352) is arranged at the position, close to the contraction spring, of each handle.
5. The installation method according to claim 4, characterized in that a second movable plate (43) is also installed at the air outlet (13), the second movable plate (43) is provided with a support rod (44) fixed on the back wall, the second movable plate (43) is provided with a sponge wiping block (39), a support rod (33), a sponge ring (36) and a water filtering ring (35) which are consistent with the first movable plate, and a connecting plate (41) is installed between the second movable plate (43) and the first movable plate.
CN202010535657.3A 2020-06-12 2020-06-12 Mounting method for shell heat dissipation and dust removal device Active CN111768950B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010535657.3A CN111768950B (en) 2020-06-12 2020-06-12 Mounting method for shell heat dissipation and dust removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010535657.3A CN111768950B (en) 2020-06-12 2020-06-12 Mounting method for shell heat dissipation and dust removal device

Publications (2)

Publication Number Publication Date
CN111768950A CN111768950A (en) 2020-10-13
CN111768950B true CN111768950B (en) 2023-04-18

Family

ID=72720772

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010535657.3A Active CN111768950B (en) 2020-06-12 2020-06-12 Mounting method for shell heat dissipation and dust removal device

Country Status (1)

Country Link
CN (1) CN111768950B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207753306U (en) * 2018-01-12 2018-08-21 云南三高电气技术服务有限公司 It is a kind of to have the function of that condensation wiping removes and carries the dynamic power distribution cabinet of fence
CN109913883A (en) * 2019-03-12 2019-06-21 国网河南省电力公司渑池县供电公司 A kind of transformer core cleaning device and application method
CN209786449U (en) * 2019-03-22 2019-12-13 云南格威电器有限公司 Synthesize switch board convenient to clearance
CN110601032A (en) * 2019-08-22 2019-12-20 南安市博胤机械科技有限公司 Heat conduction steam circulation anti-liquefaction power box
CN209929709U (en) * 2019-05-31 2020-01-10 苏州中锦电气成套科技有限公司 Low-voltage distribution cabinet convenient to surface cleaning
CN209993884U (en) * 2019-05-27 2020-01-24 天津普传控制设备有限公司 Outdoor switch board winter protection rain insensitive device with adjustable
CN111112157A (en) * 2019-12-18 2020-05-08 李振玲 Equipment cleaning device for transformer operation maintenance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207753306U (en) * 2018-01-12 2018-08-21 云南三高电气技术服务有限公司 It is a kind of to have the function of that condensation wiping removes and carries the dynamic power distribution cabinet of fence
CN109913883A (en) * 2019-03-12 2019-06-21 国网河南省电力公司渑池县供电公司 A kind of transformer core cleaning device and application method
CN209786449U (en) * 2019-03-22 2019-12-13 云南格威电器有限公司 Synthesize switch board convenient to clearance
CN209993884U (en) * 2019-05-27 2020-01-24 天津普传控制设备有限公司 Outdoor switch board winter protection rain insensitive device with adjustable
CN209929709U (en) * 2019-05-31 2020-01-10 苏州中锦电气成套科技有限公司 Low-voltage distribution cabinet convenient to surface cleaning
CN110601032A (en) * 2019-08-22 2019-12-20 南安市博胤机械科技有限公司 Heat conduction steam circulation anti-liquefaction power box
CN111112157A (en) * 2019-12-18 2020-05-08 李振玲 Equipment cleaning device for transformer operation maintenance

Also Published As

Publication number Publication date
CN111768950A (en) 2020-10-13

Similar Documents

Publication Publication Date Title
CN111768950B (en) Mounting method for shell heat dissipation and dust removal device
CN107453620B (en) High-frequency synchronous rectification switching power supply
CN212365658U (en) Transformer that dustproof effect is good
CN111768949B (en) Heat dissipation dust removal vary voltage cabinet casing
CN210985951U (en) Inverter welding power supply with simple structure
CN216625039U (en) Novel box-type substation of assembled structure metal material
CN114050035B (en) Waterproof high-frequency transformer with harmonic wave elimination function
CN211980345U (en) Telescopic transformer of electrical connection terminal
CN212304339U (en) Block terminal for outdoor power construction
CN212809963U (en) Heat dissipation shell for transformer
CN207852438U (en) A kind of dual-mode FM tabula rasa control power transformer
CN211088051U (en) Transformer power saving device for efficient power production equipment
CN210608068U (en) Electrical equipment automation control cabinet
CN209120373U (en) A kind of dust-proof interchanger of easy heat radiation
CN220673113U (en) Intelligent protection device for power distribution box
CN214410936U (en) Power transformer with cleaning function
CN216121483U (en) Intelligent system integrated power supply cabinet with high sealing performance
CN214043297U (en) Transformer heat abstractor
CN215496312U (en) Transformer cooling device
CN214478850U (en) Box-type substation with efficient heat dissipation
CN218549126U (en) Energy-saving control cabinet
CN221446921U (en) Water vapor collection structure of low-frequency transformer
CN208285008U (en) Resonance elimination higher hamonic wave suitable for high-power frequency conversion is to electric installation
CN221466392U (en) Transformer convenient to heat dissipation
CN215069553U (en) Transformer with dampproofing function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant