CN108590256A - Switchgear house with cool-down dehumidification function - Google Patents

Switchgear house with cool-down dehumidification function Download PDF

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Publication number
CN108590256A
CN108590256A CN201810490062.3A CN201810490062A CN108590256A CN 108590256 A CN108590256 A CN 108590256A CN 201810490062 A CN201810490062 A CN 201810490062A CN 108590256 A CN108590256 A CN 108590256A
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CN
China
Prior art keywords
switchgear house
wallboard
wind
cool
bottom plate
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Granted
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CN201810490062.3A
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Chinese (zh)
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CN108590256B (en
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李立新
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Individual
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Priority to CN201810490062.3A priority Critical patent/CN108590256B/en
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Publication of CN108590256B publication Critical patent/CN108590256B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E04H5/04Transformer houses; Substations or switchgear houses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention belongs to electric power facility field more particularly to a kind of switchgear houses with cool-down dehumidification function.Including pedestal and the switchgear house ontology being arranged above pedestal, the switchgear house ontology includes the column being arranged at base end angle and the wallboard being equipped with column, the switchgear house ontology further includes maintenance door and louver(-vre), the pedestal includes enclosure wall and the bottom plate that is arranged at the top of enclosure wall, it is provided with desiccant body in the basis, the present invention is by providing a kind of switchgear house with cool-down dehumidification function, utilize the desiccant body desiccant body being arranged below bottom plate, effectively reduce influence of the wet environment to switchgear house, pass through the main wall plate for by wallboard being in front and back setting and the wallboard that keeps out the wind, effectively reduce injury of the wind-force to power distribution station, simultaneously, by the way that traditional cooling fan is changed to being equipped with for exhaust fan and hair-dryer, effectively raise heat dissipation effect, and then reach cooling, dehumidifying, windproof purpose.

Description

Switchgear house with cool-down dehumidification function
Technical field
The invention belongs to electric power facility field more particularly to a kind of switchgear houses with cool-down dehumidification function.
Background technology
Switchgear house is the interior distribution field with low-voltage load, predominantly low-voltage customer electricity distribution, and line is pressed into being equipped with (can have a small amount of outlet), distribution transformer and low-voltage distribution equipment.In constructions such as substation's construction, improvement of pumping station or bridge constructions Scene usually needs to build interim switchgear house, is removed again after completion to be onstructed.And the interim switchgear house build and Dismounting undoubtedly increases construction work amount and construction period.
In order to solve the above-mentioned technical problem, there has been proposed various schemes, for example, State Intellectual Property Office is just public A kind of switchgear house container-type building of cloth and the container-type switchgear house { patent No.:CN201420319718.2 }, including: It is provided with the container of cable incoming-outgoing mouth and the switchgear house ancillary equipment in the container.
Above-mentioned technical proposal by the switchgear house of traditional building type by being changed to the moveable switchgear house of container-type, in turn It solves the problems, such as that existing interim switchgear house is built and removed, a large amount of time is saved for construction period, but, with China's base Plinth construction is greatly developed, and the place of many infrastructure constructions has the characteristics that wind-force is big, moist and temperature is high, and these are special Point then seriously affects the service life of switchgear house, for humidity, is in the environment of moisture for a long time, not only influences switchgear house The service life of interior various distribution facilities, can also further corrode switchgear house, make the reduction of its service life.It will cause whole for strong wind The damage of a cooperation room, and then influence normal use.
Invention content
The present invention the problems of in use, proposes a kind of reasonable design, structure for above-mentioned power distribution station Simply, of low cost and can reduce strong wind, wet environment infringement the switchgear house with cool-down dehumidification function.
In order to achieve the above object, the present invention provides a kind of switchgear house with cool-down dehumidification function, including pedestal and The switchgear house ontology being arranged above pedestal, the switchgear house ontology include the column and and column being arranged at base end angle The wallboard being equipped with, the switchgear house ontology further include maintenance door and louver(-vre), and the pedestal includes that enclosure wall and setting exist Bottom plate at the top of enclosure wall, it is described basis in be provided with desiccant body, the desiccant body includes the sponge being arranged below bottom plate The dehumidification device for padding and being arranged in the middle part of foam-rubber cushion, the dehumidification device include the air-heater being arranged through bottom plate and set The hot wind box in the middle part of foam-rubber cushion to be set, blowhole is provided on the hot wind box side wall, the hot wind box is communicated with air-heater, The maintenance door and louver(-vre) are symmetricly set on the rear and front end of switchgear house ontology, and heat dissipation is additionally provided on the switchgear house ontology Fan, the radiator fan are arranged in one end of louver(-vre), and the radiator fan includes being symmetricly set on blowing for louver(-vre) both sides Wind turbine and exhaust fan, the wallboard include front and back keep out the wind wallboard and the main wall plate being arranged, and the main wall plate is towards the wallboard that keeps out the wind From middle part to the inwardly angled setting of upper and lower ends, the side of the main wall plate towards the wallboard that keeps out the wind is provided with relieve heat protrusion for side, The relieve heat convex cross section is vertically arranged in isosceles triangle shape on main wall plate, and ventilation hole is provided on the wallboard that keeps out the wind, Keeping out the wind on wallboard in maintenance door both sides is arranged in the ventilation hole, and the upper and lower ends of the wallboard that keeps out the wind are provided with relieve heat through-hole, The ventilation hole triangular shape, which is evenly distributed in, to keep out the wind on wallboard, and the relieve heat through-hole is in a strip shape to be arranged in the wallboard that keeps out the wind Upper and lower ends.
Preferably, being provided with dehumidifying through-hole on the foam-rubber cushion, the dehumidifying through-hole is arranged through foam-rubber cushion, described to remove Wet through-hole is arranged in parallel with bottom plate.
It is provided on the lower section of bottom plate, the enclosure wall for solid preferably, the foam-rubber cushion is arranged by fixed seat The through-hole of reservation pull.
Preferably, the L-shaped setting of fixed seat, the foam-rubber cushion are sleeved in fixed seat.
Preferably, being additionally provided with auxiliary air-heater in the hot wind box, the auxiliary air-heater is close to hot wind box Side wall setting.
Preferably, being additionally provided with the grill support net for being used to support fixed seat and hot wind box below the bottom plate.
Compared with prior art, the advantages and positive effects of the present invention are,
1, the present invention utilizes the dehumidifying being arranged below bottom plate by providing a kind of switchgear house with cool-down dehumidification function Mechanism desiccant body effectively reduces influence of the wet environment to switchgear house, passes through the main wall by wallboard setting in front and back setting Plate and the wallboard that keeps out the wind, effectively reduce the injury to power distribution station of wind-force, meanwhile, by the way that traditional cooling fan is changed to take out Being equipped with for wind turbine and hair-dryer, effectively raises heat dissipation effect, and then reach cooling, dehumidifying, windproof purpose.This hair Bright using effect is good, and large-scale promotion is suitble to use.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability For the those of ordinary skill of domain, without having to pay creative labor, others are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is the structural schematic diagram for the switchgear house with cool-down dehumidification function that embodiment 1 provides;
Fig. 2 is another angled arrangement schematic diagram of the switchgear house with cool-down dehumidification function that embodiment 1 provides;
Fig. 3 is the sectional view for the switchgear house with cool-down dehumidification function that embodiment 1 provides;
Fig. 4 is the structural schematic diagram for the main wall plate that embodiment 1 provides;
Fig. 5 is the sectional view for the wallboard that keeps out the wind that embodiment 1 provides;
Fig. 6 is the structural schematic diagram for the fixed seat that embodiment 1 provides;
In above each figure, 1, pedestal;11, enclosure wall;111, through-hole;12, bottom plate;2, switchgear house ontology;21, maintenance door;22、 Louver(-vre);3, wallboard;31, main wall plate;311, relieve heat protrusion;32, keep out the wind wallboard;321, ventilation hole;322, relieve heat through-hole;4, it removes Wet mechanism;41, foam-rubber cushion;411, dehumidify through-hole;42, fixed seat;43, air-heater;44, hot wind box;45, hot wind wind is assisted Machine;5, grill support net;6, exhaust fan;7, hair-dryer.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawings and examples The present invention will be further described.It should be noted that in the absence of conflict, in embodiments herein and embodiment Feature can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also With using implementing different from other modes described here, therefore, the present invention is not limited to the specific of specification is described below The limitation of embodiment.
Embodiment 1, as shown in Fig. 1~Fig. 6, the present embodiment aim to solve the problem that dehumidifying present in existing Mobile distribution station, The technical issues of cooling and wind resistance, for this purpose, the switchgear house provided in this embodiment with cool-down dehumidification function, including pedestal 1 And the switchgear house ontology 2 being arranged above pedestal 1 is as traditional switchgear house ontology, the distribution that the present embodiment is provided Room ontology 2 includes the column (not shown) at 1 end angle of pedestal is arranged and is equipped with column wallboard 3, with It is additionally provided with maintenance door 21 and louver(-vre) 22 on electric room ontology 2, in the present embodiment, since wallboard 3 designs for double-layer structure, In the present embodiment, the consistency of thickness of the width and wallboard of the doorframe of maintenance door 21 and the window frame of louver(-vre) 22, rather than simple set It sets on a certain layer of wallboard.
Pedestal 1 includes enclosure wall 11 and the bottom plate 12 being arranged at 11 top of enclosure wall in the present embodiment will be under bottom plate 12 Side is provided with angular raised (being not marked in figure) into strips, and the purpose being arranged in this way can be such that moisture assembles, to form water Drop drippage, reduces the injury to bottom plate 12, it is contemplated that and moisture is all to volatilize from bottom to top, therefore, the moisture that bottom plate 12 is born Corrosion be the largest, for this purpose, outer in addition to angular protrusion in a strip shape is arranged, in the present embodiment, be provided with and remove in basic 1 Wet mechanism 4, specifically, desiccant body 4 include the foam-rubber cushion 41 being arranged below bottom plate 1 and setting at 41 middle part of foam-rubber cushion Dehumidification device, sponge is made of wood cellulose fibers or foamed plastic polymer, is a kind of porous material, have good suction It is aqueous, foam-rubber cushion 41 is arranged in the lower section of bottom plate 12, in this way, it is possible to the most of moisture in moisture be absorbed, in order to keep away After exempting from the absorption water saturation of foam-rubber cushion 41, continue that bottom plate 12 is caused to damage, for this purpose, dehumidification device includes being arranged through bottom plate Air-heater 43 and the hot wind box 44 being arranged in the middle part of foam-rubber cushion 41, air-heater 43 use the structure setting through bottom plate, Air-heater 43 is mainly allowed to extract the air in switchgear house ontology 2, in this way, can further remove damp in a part of switchgear house Gas is provided with blowhole (not shown) on 44 side wall of hot wind box, and hot wind box 44 is communicated with air-heater 43, in this implementation In example, trapezoidal setting above 44 section of hot wind box, here is rectangular setting, in this way, in order to be communicated with the cooperation of air-heater 43, In this way, by the way that hot wind is blown to foam-rubber cushion 41, foam-rubber cushion 41 is dried up, can continue to absorb moisture, it is contemplated that foam-rubber cushion 41 during being dried and the evaporation process of moisture, although largely increasing sharply relative to moist amount of moisture, moisture converges It after poly- or can fall on foam-rubber cushion 41, for this purpose, in the present embodiment, water fender is provided with (in figure in the top of foam-rubber cushion 41 It is not shown), water fender is resin plate, using low inside and high outside structure setting, in this way, the moisture converged from bottom plate will be direct Fall on water fender, then slid from the edge of water fender, and the moisture evaporated from sponge, also can some from gear Water plate slides.
In order to reduce the amount of the upward volatilization of foam-rubber cushion 41, in the present embodiment, auxiliary is additionally provided in hot wind box 44 Air-heater 45, auxiliary air-heater 45 are arranged close to the side wall of hot wind box 44, and dehumidifying through-hole is provided on foam-rubber cushion 41 411, dehumidifying through-hole 411 is arranged through foam-rubber cushion 41, and the through-hole 411 that dehumidifies is arranged in parallel with bottom plate 12, in this way, in auxiliary hot wind Under the action of wind turbine 45, most moisture is directly blown away, and then solves the problems, such as that moisture evaporation is upward.
Meanwhile in the present embodiment, foam-rubber cushion 41 is arranged by fixed seat 42 in the lower section of bottom plate 12, specifically, Through-hole 111 is provided on enclosure wall 11, in use, foam-rubber cushion 41 is arranged in fixed seat 42, it can on the outer wall of fixed seat 42 Osculum (osculum is set as existing common structure design, therefore in the present embodiment, is not added with detailed description) is arranged, The part of fixed seat 42 can be stretched out outside enclosure wall, gas vent is set in the top of fixed seat 42, the moisture of evaporation is made directly to arrange Go out, since the lower half segment structure of hot wind box 44 is square structure, for this purpose, 42 L-shaped setting of fixed seat, in this way, two symmetrically set The fixed seat set just defines the structure that middle part is square hole.In order to avoid someone takes fixed seat away, it is provided in fixed seat Lockset, lockset are that common extracting is locked.
It, can not in view of the simple support by enclosure wall 11 and hot wind box 44 (support plate is arranged in the bottom of hot wind box) What is supported completely lives fixed seat 42, for this purpose, in the present embodiment, being additionally provided in the lower section of bottom plate 1 and being used to support fixed seat 42 Material with the grill support net 5 of hot wind box 44, grill support net 5 is PVC, mainly utilizes its corrosivity, it should be noted that The material of fixed seat is also PVC.
In order to reduce the indoor temperature and humidity of distribution, in the present embodiment, heat dissipation is additionally provided on switchgear house ontology 2 Fan, specifically, radiator fan are arranged in one end of louver(-vre) 22, for improvement effect, heat dissipation that the present embodiment is provided Fan includes the hair-dryer 7 and exhaust fan 6 for being symmetricly set on 22 both sides of louver(-vre), wherein hair-dryer 7 is the cold negative ion blowing of heat Machine, the cold Anion hair drier of heat can blow a cold wind over can also blowing hot-air can in this way, the structure setting for blowing a suction using one Achieve the purpose that cooling and dehumidifying.
In order to reduce injury of the wind-force to entire switchgear house, in the present embodiment, wallboard 3 includes the windbreak of front and back setting Plate 31 and main wall plate 32, wherein wallboard 32 is kept out the wind outside, including main wall plate 31, wherein main wall plate 31 is towards the wallboard 32 that keeps out the wind Side is from middle part to the inwardly angled setting of upper and lower ends, in this way, the wind come in will disperse to upper and lower ends, meanwhile, main wall plate 31 are provided with relieve heat protrusion 311 towards the side for the wallboard that keeps out the wind, and 311 sections of relieve heat protrusion are vertically arranged in isosceles triangle shape On main wall plate 31, relieve heat protrusion 311 is there are two effect, and one is further to disperse wind, another purpose is exactly quick Moisture is flowed down, main wall plate 31 is protected, is provided with ventilation hole 321 on wallboard 32 keeping out the wind, in the present embodiment, it is contemplated that maintenance The problem of door 21 and vent window 22, for this purpose, ventilation hole is not arranged on the wallboard 32 that keeps out the wind of setting maintenance door 21 and vent window 22 321, ventilation hole 321 is positioned only at the keeping out the wind on wallboard 32 of maintenance door both sides, since a regional wind direction is in very long season It is interior, wind direction be it is fixed, therefore, when mounted, it is only necessary to the one of ventilation hole will be provided with facing towards wind direction, in this reality Apply in example, 321 triangular shape of ventilation hole, which is evenly distributed in, to keep out the wind on wallboard 32, specifically, be bottom edge in upper mode Setting, the purpose being arranged in this way can further disperse air quantity.The upper and lower ends for the wallboard 32 that keeps out the wind are provided with relieve heat through-hole 322, relieve heat through-hole 322 is in a strip shape to be arranged in the upper and lower ends of wallboard 32 of keeping out the wind, and specifically, relieve heat through-hole 322 is from inside to outside It is arranged diagonally downward, there are two the purposes being arranged in this way, and one is draining, another makes the wind of dispersion be discharged, in the present embodiment In, it is provided with relieve heat through-hole 322 on all wallboards 32 that keeps out the wind.Herein it should be noted that 322 inside of relieve heat through-hole Lower section be main wall plate 31 and the junction of wallboard 31 of keeping out the wind, in the present embodiment, column is angle steel so that it is convenient to which master is arranged Wallboard and the wallboard that keeps out the wind, the application of angle steel is common, therefore in the present embodiment, it is not added with detailed description.
In addition, in the present embodiment, inside is to be introversion to the indoor direction of distribution.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. It imitates embodiment and is applied to other fields, but it is every without departing from technical solution of the present invention content, according to the technical essence of the invention To any simple modification, equivalent variations and remodeling made by above example, the protection domain of technical solution of the present invention is still fallen within.

Claims (6)

1. a kind of switchgear house with cool-down dehumidification function, including pedestal and the switchgear house ontology that is arranged above pedestal, institute It includes the column being arranged at base end angle and the wallboard being equipped with column, the switchgear house ontology to state switchgear house ontology Further include maintenance door and louver(-vre), the pedestal includes enclosure wall and the bottom plate that is arranged at the top of enclosure wall, which is characterized in that described Desiccant body is provided in basis, the desiccant body includes the foam-rubber cushion being arranged below bottom plate and is arranged in foam-rubber cushion The dehumidification device in portion, the dehumidification device include the air-heater being arranged through bottom plate and the hot wind being arranged in the middle part of foam-rubber cushion Box is provided with blowhole on the hot wind box side wall, and the hot wind box is communicated with air-heater, the maintenance door and louver(-vre) pair Title, which is arranged on the rear and front end of switchgear house ontology, the switchgear house ontology, is additionally provided with radiator fan, and the radiator fan is set It sets in one end of louver(-vre), the radiator fan includes the hair-dryer and exhaust fan for being symmetricly set on louver(-vre) both sides, the wall Plate includes front and back keep out the wind wallboard and the main wall plate being arranged, and the main wall plate is towards the side for the wallboard that keeps out the wind from middle part to upper and lower ends The side of inwardly angled setting, the main wall plate towards the wallboard that keeps out the wind is provided with relieve heat is raised, and the relieve heat convex cross section is in etc. Lumbar triangle shape is vertically arranged on main wall plate, and ventilation hole is provided on the wallboard that keeps out the wind, and the ventilation hole setting is being overhauled Door both sides are kept out the wind on wallboard, and the upper and lower ends of the wallboard that keeps out the wind are provided with relieve heat through-hole, the ventilation hole triangular shape It is evenly distributed in and keeps out the wind on wallboard, the relieve heat through-hole is in a strip shape to be arranged in the upper and lower ends of wallboard of keeping out the wind.
2. the switchgear house according to claim 1 with cool-down dehumidification function, which is characterized in that be arranged on the foam-rubber cushion There are dehumidifying through-hole, the dehumidifying through-hole to be arranged through foam-rubber cushion, the dehumidifying through-hole is arranged in parallel with bottom plate.
3. the switchgear house according to claim 2 with cool-down dehumidification function, which is characterized in that the foam-rubber cushion passes through solid The through-hole being provided on the lower section of bottom plate, the enclosure wall for fixed seat pull is arranged in reservation.
4. the switchgear house according to claim 3 with cool-down dehumidification function, which is characterized in that the fixed seat is L-shaped Setting, the foam-rubber cushion are sleeved in fixed seat.
5. the switchgear house according to claim 4 with cool-down dehumidification function, which is characterized in that also set in the hot wind box It is equipped with auxiliary air-heater, the auxiliary air-heater is arranged close to the side wall of hot wind box.
6. the switchgear house according to claim 5 with cool-down dehumidification function, which is characterized in that the lower section of the bottom plate is also It is provided with the grill support net for being used to support fixed seat and hot wind box.
CN201810490062.3A 2018-05-21 2018-05-21 Distribution room with cooling and dehumidifying functions Expired - Fee Related CN108590256B (en)

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Application Number Priority Date Filing Date Title
CN201810490062.3A CN108590256B (en) 2018-05-21 2018-05-21 Distribution room with cooling and dehumidifying functions

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Application Number Priority Date Filing Date Title
CN201810490062.3A CN108590256B (en) 2018-05-21 2018-05-21 Distribution room with cooling and dehumidifying functions

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CN108590256A true CN108590256A (en) 2018-09-28
CN108590256B CN108590256B (en) 2020-07-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111482063A (en) * 2020-04-22 2020-08-04 杭州腾睿源人防工程有限公司 Filtering absorber
CN112282494A (en) * 2020-09-27 2021-01-29 国网河南省电力公司夏邑县供电公司 Electrified spacer assembly is prevented mistake by transformer substation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403142A1 (en) * 1993-04-14 1994-10-20 Bsa Ingenieurs Conseils Electrical substation (transformer substation)
CN104697057A (en) * 2015-02-13 2015-06-10 广东美的制冷设备有限公司 Indoor unit of air conditioner and wind board
CN204436014U (en) * 2015-01-22 2015-07-01 常州市武进江南环保设备有限公司 Dust suppression and wind proofing wall
CN105854532A (en) * 2016-05-20 2016-08-17 周末 Dehumidification device of power cabinet
CN206061401U (en) * 2016-09-20 2017-03-29 李兆丰 A kind of solar control cabinet of high efficiency and heat radiation dedusting
CN206864890U (en) * 2017-05-03 2018-01-09 十堰市神针工贸有限公司 A kind of low-voltage distribution cabinet quick assembling understructure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403142A1 (en) * 1993-04-14 1994-10-20 Bsa Ingenieurs Conseils Electrical substation (transformer substation)
CN204436014U (en) * 2015-01-22 2015-07-01 常州市武进江南环保设备有限公司 Dust suppression and wind proofing wall
CN104697057A (en) * 2015-02-13 2015-06-10 广东美的制冷设备有限公司 Indoor unit of air conditioner and wind board
CN105854532A (en) * 2016-05-20 2016-08-17 周末 Dehumidification device of power cabinet
CN206061401U (en) * 2016-09-20 2017-03-29 李兆丰 A kind of solar control cabinet of high efficiency and heat radiation dedusting
CN206864890U (en) * 2017-05-03 2018-01-09 十堰市神针工贸有限公司 A kind of low-voltage distribution cabinet quick assembling understructure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111482063A (en) * 2020-04-22 2020-08-04 杭州腾睿源人防工程有限公司 Filtering absorber
CN111482063B (en) * 2020-04-22 2022-03-08 杭州腾睿源人防工程有限公司 Filtering absorber
CN112282494A (en) * 2020-09-27 2021-01-29 国网河南省电力公司夏邑县供电公司 Electrified spacer assembly is prevented mistake by transformer substation

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Granted publication date: 20200717