CN110224313A - A kind of box switching station of automatic dehumidifying - Google Patents

A kind of box switching station of automatic dehumidifying Download PDF

Info

Publication number
CN110224313A
CN110224313A CN201910587808.7A CN201910587808A CN110224313A CN 110224313 A CN110224313 A CN 110224313A CN 201910587808 A CN201910587808 A CN 201910587808A CN 110224313 A CN110224313 A CN 110224313A
Authority
CN
China
Prior art keywords
cabinet body
backboard
suction ventilator
insulating radiation
air
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.)
Pending
Application number
CN201910587808.7A
Other languages
Chinese (zh)
Inventor
黄其昌
蹇玉军
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.)
Seven Stars Electric Co Ltd
Original Assignee
Seven Stars Electric 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 Seven Stars Electric Co Ltd filed Critical Seven Stars Electric Co Ltd
Priority to CN201910587808.7A priority Critical patent/CN110224313A/en
Publication of CN110224313A publication Critical patent/CN110224313A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The present invention relates to electric power network technique fields, a kind of box switching station of automatic dehumidifying is provided, including cabinet body, it further include the first suction ventilator, second suction ventilator, multiple temperature sensors, solar photovoltaic assembly, battery, air-cooler, insulating radiation backboard and controller, insulating radiation backboard is by front insulated mounting plate, intermediate ceramic wafer and backside radiator plate are combined, the backboard of insulating radiation backboard and cabinet body is set in cabinet body in parallel, spaced cavities are provided between the insulating radiation backboard and cabinet body backboard, interior of the cabinet is separated into in cabinet body equipped with the thermal insulation board that muti-piece is installed on the front insulated mounting plate of insulating radiation backboard the region of each installation high-voltage cable joint route and the region of control cable run, each temperature sensor is connected with controller input terminal, air-cooler, first suction ventilator and the second suction ventilator connect respectively It connects and is controlled by controller.The present invention solves the problems, such as that existing box opening and closing effect on moisture extraction is poor, heat dissipation effect is poor, influences operation of power networks.

Description

A kind of box switching station of automatic dehumidifying
Technical field
The present invention relates to electric power network technique field more particularly to a kind of box switching stations of automatic dehumidifying.
Background technique
With the development of urban power distribution network, overhead line power supply mode is phased out, and ring network power supply is that local transmission network is main Structure type.Opening and closing meaning is used to receive electric power and distribute the power supply and distribution facility of electric power, is known as switchyard in high-voltage fence.Middle pressure Switching station in power grid is generally used for the receiving and distribution of 10kV electric power.Divided again equipped with medium-voltage distribution inlet-outlet line, to power The power distribution equipment matched.It is equivalent to the extension of substation bus bar, can be used for solving that substation's inlet-outlet line interval is limited or inlet-outlet line is walked Corridor is limited, and plays the role of power supply support in the zone.Medium voltage switchyard can be built jointly when necessary with switchgear house.Switching station's conduct A kind of economic, flexible power distribution equipment, obtains extensively in industries such as urban and rural power grids, substation in zone, industrial and mining enterprises and business premises General application.Since use environment is extremely complex, especially in coastal area and under the weather such as mist, dew, rain, snow, electrical equipment It is easy to make moist, damp-heat air touches colder electrical equipment metal shell when serious, when metallic surface temperature is lower than air Dew-point temperature when, easily metal surface formed condense, generate condensed water.Electrical equipment dampness, shows the exhausted of equipment first The decline of edge performance, insulation ag(e)ing accelerate, the electrical equipment being in wet environment for a long time, if do not used moisture preventive measure, use Service life can be greatly lowered, and electric leakage, short circuit be caused when especially insulating surface pollutant accumulation is more, easily so as to cause serious electricity Gas failure and accident.But general box switching station's dehumidifying effect is weaker, while heat dissipation performance is not also strong.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes that a kind of structure is simple, effectively keeps internally dry, avoids condensation The occurrence of, good heat dissipation effect the box switching station of automatic dehumidifying.
To solve this technical problem, the present invention takes following scheme: a kind of box switching station of automatic dehumidifying, including cabinet body, It further include the first suction ventilator, the second suction ventilator, multiple temperature sensors, solar photovoltaic assembly, battery, air-cooler, insulation Heat sinking back-plate and controller, the insulating radiation backboard are compound by front insulated mounting plate, intermediate ceramic wafer and backside radiator plate It forms, the backboard of the insulating radiation backboard and cabinet body is set in cabinet body in parallel, the insulating radiation backboard and cabinet body backboard Between be provided with spaced cavities, in the cabinet body equipped with muti-piece be installed on the front insulated mounting plate of insulating radiation backboard every Interior of the cabinet is separated into the region of each installation high-voltage cable joint route and the region of control cable run, the cabinet by hot plate Body backboard lower part is equipped with multiple heat release holes, and the air-cooler is set at the top of cabinet body and the air outlet of air-cooler is set to the backboard of cabinet body Cavity top between insulating radiation backboard and towards bottom blowing cold air, cabinet body both side plate top is respectively equipped with multiple Air hole, first suction ventilator and the second suction ventilator are respectively arranged on cabinet body both side plate inner sidewall lower part and the first suction ventilator and Cavity bottom of the air inlet of two suction ventilators respectively between the backboard of cabinet body and insulating radiation backboard is connected, and described first inhales The air outlet of blower and the second suction ventilator is respectively by side cabinet lower part towards side cabinet top, the solar photovoltaic assembly Wearing cabinet body through insulated conductor is set on the intracorporal battery charging of cabinet, and the battery is controller, cold wind through insulated conductor Machine, the first suction ventilator and the power supply of the second suction ventilator, each temperature sensor are laid in cabinet body both side plate inner wall and cabinet body respectively On outer wall and cabinet body backboard inner wall, each temperature sensor is connected with controller input terminal, and the air-cooler, first inhale Blower and the second suction ventilator are separately connected and are controlled by controller.
It further, further include multiple heaters, each heater is laid in cabinet body both side plate lower part, Ge Gejia respectively The power end of hot device, which is connected to the battery, to be connect, and each heater is all connected with and is controlled by controller.
Further, the heater is four, and four heaters are set to two side lower part of cabinet body two-by-two respectively.
Further, the heater is patch type heater.
Further, the cabinet body upper side wall is fixedly connected there are two symmetrically arranged riser, two risers it is upper End is fixedly connected with top cover jointly, and the top cover is in herringbone structure, and the solar photovoltaic assembly is set to top cover upper surface.
Further, the heat sink of the insulating radiation backboard is equipped with spaced a plurality of far from the one side of ceramic wafer Radiator shutter.
By using preceding solution, the beneficial effects of the present invention are: by installing insulating radiation backboard in cabinet body And by one cavity of spaced and parallel setting between insulating radiation backboard and cabinet body backboard, while heat release hole is set on backboard, It is produced so that being installed on each high-voltage cable joint route and control cable run on the insulated mounting plate of insulating radiation backboard Raw heat after ceramic wafer quick conductive further through solar photovoltaic assembly is used by, again through heat sink rapid cooling, controlling Device air-cooler, the first suction ventilator and the power supply of the second suction ventilator, when the cavity between insulating radiation backboard and cabinet body backboard assembles heat Amount too Gao Shike has controller control air-cooler to carry out cooling quickening heat dissipation, opens using multiple temperature sensor real-time monitorings are box The temperature difference inside and outside institute's cabinet body is closed, when cabinet body temperature is not higher than the first suction ventilator in temperature outside cabinet body then controller control cabinet body And second suction ventilator the hot gas of cavity between insulating radiation backboard and cabinet body backboard is pumped to making ambient temperature in cabinet body It increases, moisture rises outside discharge cabinet, to effectively keep the drying in ring network cabinet body, dampproof effect is good, avoids condensation situation Generation, good heat dissipation effect effectively avoids in cabinet body each module from continuing working prolonging the service life under high temperature environment, structure letter Single, reasonable, easy to install and use, at low cost, securely and reliably, by being further arranged, i.e. the setting of heater can be in winter Severe cold internal operation lowboy temperature is when can not still be higher than temperature outside cabinet body after opening the first suction ventilator and the second suction ventilator pair Interior of the cabinet heats up, and anti-condensation happen is avoided to keep away from moisture, and further enhances the dehumidification function of cabinet body, can push away extensively Wide application.
Detailed description of the invention
Fig. 1 is the functional block diagram of the embodiment of the present invention;
Fig. 2 is the cabinet body longitudinal cross-section structural schematic diagram of the embodiment of the present invention;
Fig. 3 is transversal cross-section structural schematic diagram in the middle part of the cabinet body of the embodiment of the present invention.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to Fig. 1, Fig. 2 and Fig. 3, the preferred box switching station of automatic dehumidifying of the invention, including cabinet body 1, the first air draught Machine 2, the second suction ventilator 3, multiple temperature sensors 4, solar photovoltaic assembly 6, battery 12, air-cooler 7, insulating radiation backboard 8, controller 9 and four heaters 11, the insulating radiation backboard 8 is by front insulated mounting plate 81, intermediate ceramic wafer 82 and back Face heat sink 83 is combined, and the backboard 101 of the insulating radiation backboard 8 and cabinet body 1 is set in cabinet body 1 in parallel, described exhausted It is provided with spaced cavities 10 between 1 backboard 101 of edge heat sinking back-plate 8 and cabinet body, is installed on insulation equipped with muti-piece in the cabinet body 1 and dissipates Thermal insulation board 106 on the front insulated mounting plate of hot backboard 8 will be separated into each installation high-voltage cable joint route inside cabinet body 1 Region and control cable run region, the heat sink 83 of the insulating radiation backboard 8 in the one side of ceramic wafer 82 far from setting There is spaced a plurality of radiator shutter 831,1 backboard of cabinet body, 101 lower part is equipped with multiple heat release holes, and the air-cooler 7 is set 10 top of cavity between the backboard 101 and insulating radiation backboard 8 that the air outlet at 1 top of cabinet body and air-cooler 7 is set to cabinet body 1 And towards bottom blowing cold air, 1 both side plate 102 of cabinet body, 103 tops are respectively equipped with multiple air holes 1021,1031, described First suction ventilator 2 and the second suction ventilator 3 are respectively arranged on 1 both side plate 102 of cabinet body, 103 inner sidewall lower parts and the first suction ventilator 2 and Cavity 10 bottom of the air inlet of two suction ventilators 3 respectively between the backboard 101 of cabinet body 1 and insulating radiation backboard 8 is connected, institute State the air outlet of the first suction ventilator 2 and the second suction ventilator 3 respectively by 1 side plate 102 of cabinet body, 103 lower parts towards 1 side plate 102 of cabinet body, 103 tops, the heater 11 are patch type heater, and four heaters 11 are set to 1 both side plate 102,103 of cabinet body two-by-two respectively Lower part, 1 upper side wall of cabinet body are fixedly connected there are two symmetrically arranged riser 104, and the upper end of two risers 104 is common It is fixedly connected with top cover 105, the top cover 105 is in herringbone structure, and the solar photovoltaic assembly 6 is set to table on top cover 105 Face, it is that the battery 12 in cabinet body 1 charges that the solar photovoltaic assembly 6, which wears cabinet body 1 through insulated conductor, the electric power storage Pond 12 is that controller 9, air-cooler 7, the first suction ventilator 2, the second suction ventilator 3 and each heater 11 are powered through insulated conductor, respectively A temperature sensor 4 is laid in respectively in 1 both side plate 102 of cabinet body, 103 inner walls and 1 outer wall of cabinet body and 1 backboard 101 of cabinet body On wall, each temperature sensor 4 is connected with 9 input terminal of controller, the air-cooler 7, each heater 11, the first air draught Machine 2 and the second suction ventilator 3 are separately connected and are controlled by controller 9.
The quantity of humidity sensor and heater can increase or reduce according to ring network cabinet cable size and be arranged in the present invention, And it is uniformly laid on ring network cabinet cable chamber interior walls each region.
The present invention passes through between installation insulating radiation backboard in cabinet body and by between insulating radiation backboard and cabinet body backboard Every a cavity is arranged in parallel, while heat release hole is set on backboard, so that being installed on the insulation peace of insulating radiation backboard The heat that each high-voltage cable joint route and control cable run generate in loading board is by the way that warp dissipates again after ceramic wafer quick conductive Hot plate rapid cooling, further through use solar photovoltaic assembly for controller air-cooler, the first suction ventilator and the second suction ventilator confession Electricity, when the cavity aggregation heat too Gao Shike between insulating radiation backboard and cabinet body backboard has controller control air-cooler to be dropped Temperature accelerates heat dissipation, using the temperature difference inside and outside the box switching station's cabinet body of multiple temperature sensor real-time monitorings, when cabinet body temperature Not higher than the first suction ventilator in temperature outside cabinet body then controller control cabinet body and the second suction ventilator by insulating radiation backboard and cabinet body The hot gas of cavity is pumped to increasing ambient temperature in cabinet body between backboard, and moisture rises outside discharge cabinet, to effectively protect The drying in ring network cabinet body is held, dampproof effect is good, avoids the occurrence of condensation, and good heat dissipation effect effectively avoids each in cabinet body Module continues working to prolong the service life under high temperature environment, simple and reasonable for structure, easy to install and use, at low cost, safely may be used It leans on, by being further arranged, i.e. the setting of heater can be inhaled in winter severe cold internal operation lowboy temperature in unlatching first It heats up when can not still be higher than temperature outside cabinet body after blower and the second suction ventilator to interior of the cabinet, avoids anti-condensation happen It keeps away from moisture, further enhances the dehumidification function of cabinet body, it can wide popularization and application.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right The present invention makes a variety of changes, and is protection scope of the present invention.

Claims (6)

1. a kind of box switching station of automatic dehumidifying, including cabinet body, it is characterised in that: further include the first suction ventilator, the second suction ventilator, Multiple temperature sensors, solar photovoltaic assembly, battery, air-cooler, insulating radiation backboard and controller, the insulating radiation Backboard is combined by front insulated mounting plate, intermediate ceramic wafer and backside radiator plate, the insulating radiation backboard and cabinet body Backboard is set in cabinet body in parallel, is provided with spaced cavities between the insulating radiation backboard and cabinet body backboard, in the cabinet body Interior of the cabinet is separated into each installation equipped with the thermal insulation board that muti-piece is installed on the front insulated mounting plate of insulating radiation backboard The region of high-voltage cable joint route and the region of control cable run, cabinet body backboard lower part is equipped with multiple heat release holes, institute Air-cooler is stated at the top of cabinet body and the air outlet of air-cooler is set to the cavity top between the backboard and insulating radiation backboard of cabinet body Portion and towards bottom blowing cold air, cabinet body both side plate top is respectively equipped with multiple air holes, first suction ventilator and Two suction ventilators be respectively arranged on cabinet body both side plate inner sidewall lower part and the air inlet of the first suction ventilator and the second suction ventilator respectively with cabinet Cavity bottom between the backboard of body and insulating radiation backboard is connected, the air outlet of first suction ventilator and the second suction ventilator Respectively by side cabinet lower part towards side cabinet top, the solar photovoltaic assembly through insulated conductor wear cabinet body be set on The intracorporal battery charging of cabinet, the battery is controller, air-cooler, the first suction ventilator and the second suction ventilator through insulated conductor Power supply, each temperature sensor are laid in respectively on cabinet body both side plate inner wall and cabinet body outer wall and cabinet body backboard inner wall, respectively A temperature sensor is connected with controller input terminal, and the air-cooler, the first suction ventilator and the second suction ventilator are separately connected And it is controlled by controller.
2. the box switching station of automatic dehumidifying according to claim 1, it is characterised in that: it further include multiple heaters, it is each Heater is laid in cabinet body both side plate lower part respectively, and the power end of each heater, which is connected to the battery, to be connect, each heating Device is all connected with and is controlled by controller.
3. the box switching station of automatic dehumidifying according to claim 2, it is characterised in that: the heater is four, four Heater is set to two side lower part of cabinet body two-by-two respectively.
4. the box switching station of automatic dehumidifying according to claim 2 or 3, it is characterised in that: the heater is patch type Heater.
5. the box switching station of automatic dehumidifying according to claim 1, it is characterised in that: the cabinet body upper side wall is fixedly connected There are two symmetrically arranged riser, the upper end of two risers is fixedly connected with top cover jointly, and the top cover is in herringbone knot Structure, the solar photovoltaic assembly are set to top cover upper surface.
6. the box switching station of automatic dehumidifying according to claim 1, it is characterised in that: the heat dissipation of the insulating radiation backboard Plate is equipped with spaced a plurality of radiator shutter far from the one side of ceramic wafer.
CN201910587808.7A 2019-07-02 2019-07-02 A kind of box switching station of automatic dehumidifying Pending CN110224313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910587808.7A CN110224313A (en) 2019-07-02 2019-07-02 A kind of box switching station of automatic dehumidifying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910587808.7A CN110224313A (en) 2019-07-02 2019-07-02 A kind of box switching station of automatic dehumidifying

Publications (1)

Publication Number Publication Date
CN110224313A true CN110224313A (en) 2019-09-10

Family

ID=67815852

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910587808.7A Pending CN110224313A (en) 2019-07-02 2019-07-02 A kind of box switching station of automatic dehumidifying

Country Status (1)

Country Link
CN (1) CN110224313A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564777A (en) * 2020-05-27 2020-08-21 广东电网有限责任公司东莞供电局 Power distribution cabinet convenient to outdoor heat dissipation
CN112332245A (en) * 2020-11-12 2021-02-05 河南九力科技有限公司 Leakage protection device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205622116U (en) * 2016-05-14 2016-10-05 甘肃阳森电子科技有限公司 Low -voltage distribution intelligent control cabinet
CN205793936U (en) * 2016-07-18 2016-12-07 常州信息职业技术学院 A kind of outdoor electric cabinet with moistureproof heat sinking function
CN207282992U (en) * 2017-08-21 2018-04-27 河南省中原智能电气科技有限公司 A kind of AC low voltage power switch box with radiating dustproof
CN207490324U (en) * 2017-06-30 2018-06-12 华核电气股份有限公司 A kind of self radiation type electric control cabinet of high-protection level
CN207718242U (en) * 2018-02-01 2018-08-10 七星电气股份有限公司 A kind of novel 10kV ring main units cable vault damp-proof device
CN109757088A (en) * 2019-02-20 2019-05-14 天津市璐祥自动化设备股份有限公司 A kind of PLC control cabinet having cooling function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205622116U (en) * 2016-05-14 2016-10-05 甘肃阳森电子科技有限公司 Low -voltage distribution intelligent control cabinet
CN205793936U (en) * 2016-07-18 2016-12-07 常州信息职业技术学院 A kind of outdoor electric cabinet with moistureproof heat sinking function
CN207490324U (en) * 2017-06-30 2018-06-12 华核电气股份有限公司 A kind of self radiation type electric control cabinet of high-protection level
CN207282992U (en) * 2017-08-21 2018-04-27 河南省中原智能电气科技有限公司 A kind of AC low voltage power switch box with radiating dustproof
CN207718242U (en) * 2018-02-01 2018-08-10 七星电气股份有限公司 A kind of novel 10kV ring main units cable vault damp-proof device
CN109757088A (en) * 2019-02-20 2019-05-14 天津市璐祥自动化设备股份有限公司 A kind of PLC control cabinet having cooling function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564777A (en) * 2020-05-27 2020-08-21 广东电网有限责任公司东莞供电局 Power distribution cabinet convenient to outdoor heat dissipation
CN111564777B (en) * 2020-05-27 2022-02-18 广东电网有限责任公司东莞供电局 Power distribution cabinet convenient to outdoor heat dissipation
CN112332245A (en) * 2020-11-12 2021-02-05 河南九力科技有限公司 Leakage protection device and method
CN112332245B (en) * 2020-11-12 2022-06-21 河南九力科技有限公司 Leakage protection device

Similar Documents

Publication Publication Date Title
CN110224313A (en) A kind of box switching station of automatic dehumidifying
CN111029949A (en) Transformer case with dehumidification cooling function
CN208174108U (en) A kind of Prefabricated high-low voltage transformer substation to radiate safely
CN108281913A (en) The anti-condensation electrical equipment safeguards system of cascade cycle channel cool-down dehumidification and method
CN210866940U (en) Block terminal with dampproofing and dehumidification function
CN209133883U (en) A kind of distribution box of open air sealing waterproof
CN109004559B (en) A kind of power distribution cabinet
CN210430632U (en) Capacitor box with waterproof and heat dissipation functions
CN205407089U (en) Adopt alternately wind channel ventilation cooling's heavy current air insulation cubical switchboard
CN108011299A (en) A kind of intelligent substation electrical equipment dehydrating unit
CN205657350U (en) Switch cabinet structure
CN103676995A (en) Intelligent dehumidifying device for cabinets
CN209461834U (en) A kind of air type ring network cabinet
CN210693178U (en) Outdoor electric power cabinet cooling, dehumidifying and condensation preventing device based on intelligent control and online monitoring
CN207896546U (en) A kind of box ac metal closing switch gear
CN113300245A (en) Switch device
CN214478460U (en) Lightning protection block terminal
CN207409895U (en) A kind of comprehensive distribution box
CN108923306A (en) A kind of JXF distribution box that indoor and outdoor is multi-purpose
CN218850124U (en) 10kV cubical switchboard intelligence dehydrating unit
CN208240447U (en) A kind of transformer installation shell convenient for heat dissipation
CN117134241A (en) Waterproof and dustproof intelligent box-type switching station
CN218526533U (en) Temperature control device of switch cabinet
CN218545233U (en) Self-heating intelligent low-voltage molded case circuit breaker
CN218334989U (en) Full-insulation full-sealing alternating-current metal ring network switch

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190910