CN107204583A - A kind of frost prevention switch cabinet - Google Patents
A kind of frost prevention switch cabinet Download PDFInfo
- Publication number
- CN107204583A CN107204583A CN201710354481.XA CN201710354481A CN107204583A CN 107204583 A CN107204583 A CN 107204583A CN 201710354481 A CN201710354481 A CN 201710354481A CN 107204583 A CN107204583 A CN 107204583A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- accommodating chamber
- radiating tube
- heater
- frost prevention
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a kind of frost prevention switch cabinet, including cabinet and cabinet door, the cabinet outer wall is provided with warming plate, heater accommodating chamber is provided with warming plate, heater is provided with inside the heater accommodating chamber, the heater includes control unit, Energizing unit and sensing unit, the cabinet inwall is provided with heat dissipating layer, radiating tube accommodating chamber is provided with the heat dissipating layer, radiating tube spirals inside radiating tube accommodating chamber, the heat emission hole of cabinet inner chamber and radiating tube accommodating chamber is communicated with the heat dissipating layer, the bottom of cabinet bulk is provided with liquid storage room, the liquid storage room is provided with water pump, the water pump control liquid circulates between liquid storage room and radiating tube, temperature sensor is equipped between the cabinet inner chamber and cabinet outer wall, the temperature sensor, heater, water pump is connected with the controller signals in cabinet door respectively.The frost prevention switch cabinet homogeneous heating, the efficiency of heating surface are high, fault rate is low, are adapted to promote.
Description
Technical field
The present invention relates to switch cubicle technical field, more particularly to a kind of frost prevention switch cabinet.
Background technology
Switch cubicle is a kind of electrical equipment, and switch cubicle outside line is introduced into master switch in cabinet, is switched subsequently into sub-control, respectively
Branch is needed to set by it.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc., have also set hyperbaric chamber with
Low-pressure chamber switch cubicle, provided with high voltage bus, such as power plant, what is had is additionally provided with to protect the low-frequency load reduction of capital equipment.
The main function of switch cubicle is generated electricity in power system, transmitted electricity, during distribution and electric energy conversion, is carried out
Folding, control and protection electrical equipment.Part in switch cubicle mainly has breaker, disconnecting switch, on-load switch, operation machine
Structure, transformer and various protection devices etc. are constituted.The sorting technique of switch cubicle is a lot, such as can be with by breaker mounting means
It is divided into withdraw-type switch cabinet and fixed switching cabinet；Or according to the difference of cabinet body structure, open type switch cubicle, metal envelope can be divided into
Close switch cubicle and metal enclosed armoured switch cabinet；It can be divided into high-tension switch cabinet, Medium Voltage Switchgear again according to voltage class is different
With low-tension switch cabinet etc..Be primarily adapted for use in power plant, transformer station, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and
The various different occasions such as residential quarters, skyscraper.
It is exactly winter temperature than relatively low that China some areas, which have a problem that, and minimum temperature is even below subzero 30 and taken the photograph
Family name's degree, therefore Low Temperature Problems are the common issues that these regional switch cubicles are faced；Found by long-term practice,
There is following defect in these regional switch cubicles：First, when ambient temperature is relatively low, often congeal weather, special
It is not rainy in the winter time or snows under meteorological condition, the accumulated ice and inside switch cabinet on switch cubicle congeals, and as a result cause switch cubicle
Performance change, so as to increase the load of switch cubicle, even result in the defect that switch cubicle is split up；2nd, worst cold case can cause to hold
Cabinet operation parts hydraulic performance decline is closed, while causing maintenance cumbersome.
The content of the invention
The invention provides a kind of frost prevention switch cabinet, the problem of solving in above-mentioned background technology, the frost prevention switch cabinet
Homogeneous heating, the efficiency of heating surface are high, fault rate is low, are adapted to promote.
In order to solve the problem of prior art is present, adopt the following technical scheme that：
A kind of frost prevention switch cabinet, including cabinet and cabinet door, the cabinet outer wall are provided with warming plate, warming plate provided with heating
Heater is provided with inside device accommodating chamber, the heater accommodating chamber, the heater includes control unit, excitation list
Member and sensing unit, the cabinet inwall, which is provided with heat dissipating layer, the heat dissipating layer, is provided with radiating tube accommodating chamber, and radiating tube spirals
Inside radiating tube accommodating chamber, the heat emission hole of cabinet inner chamber and radiating tube accommodating chamber, the cabinet are communicated with the heat dissipating layer
Bottom is provided with liquid storage room, and the liquid storage room is provided with water pump, and the water pump control liquid is in liquid storage room and dissipates
Circulated between heat pipe, temperature sensor, the temperature sensor, heating dress are equipped between the cabinet inner chamber and cabinet outer wall
Put, water pump is connected with the controller signals in cabinet door respectively.
It is preferred that, the sensing unit is wire netting, is radiated than more uniform.
It is preferred that, the wire netting is made up of the ferroalloy materials with magnetic conduction function, rapid heat dissipation.
It is preferred that, the diameter of the wire netting is not less than 1mm, and grid spacing is not more than 8mm.
It is preferred that, the warming plate is arranged on the cabinet outer wall by bolt, facilitates the installation of warming plate.
It is preferred that, the cabinet outer wall is provided with upright slide rail, and the warming plate insertion is arranged on upright slide rail, convenient to protect
The installation of warm plate.
It is preferred that, the upright slide rail bottom is provided with limited block, and the position for limiting warming plate prevents warming plate from taking off
Fall.
It is preferred that, the bottom of cabinet bulk is provided with solar panels battery, and the solar cell and the controller are electrically connected.
Compared with prior art, it has the advantages that the present invention：
Frost prevention switch cabinet homogeneous heating of the present invention, the efficiency of heating surface are high, can reach effectively antifreeze purpose, so that
Fault rate is low, is adapted to promote, specific as follows：
(1) frost prevention switch cabinet outer wall of the present invention, which is provided with warming plate, warming plate, is provided with heater, heater
Including control unit, Energizing unit and sensing unit, sensing unit is wire netting, and the efficiency of heating surface is high, homogeneous heating, so that
The cabinet efficiency of heating surface is high, homogeneous heating, so as to reach effectively freeze proof purpose, reduces the failure caused by low temperature；
(2) frost prevention switch cabinet of the present invention, warming plate is movably arranged on cabinet, facilitates the installation and inspection of warming plate
Repair；
(3) it is provided with inside frost prevention switch of the present invention in heat dissipating layer, heat dissipating layer and is provided with radiating tube, is helping switch cubicle
While radiating, switch cubicle is transferred heat to, contributes to switch cubicle antifreeze.
Brief description of the drawings
Fig. 1 is frost prevention switch cabinet schematic diagram of the present invention；
Fig. 2 is heat-dissipation switch cabinet heat dissipating layer side schematic view of the present invention；
Fig. 3 is the heater schematic diagram of heat-dissipation switch cabinet of the present invention；
Fig. 4 is the side schematic view of heat-dissipation switch cabinet described in embodiment 1；
Fig. 5 is the side schematic view of heat-dissipation switch cabinet described in embodiment 2；
Fig. 6 is the schematic diagram of heat-dissipation switch cabinet described in embodiment 3；
In figure：1- cabinets, 2- cabinet doors, 3- warming plates, 4- heaters accommodating chamber, 5- heaters, 501- control units,
502- Energizing units, 503- sensing units, 6- heat dissipating layers, 7- radiating tubes accommodating chamber, 8- heat emission holes, 9- liquid storage room, 10- water
Pump, 11- radiating tubes, 12- temperature sensors, 13- controllers, 14- bolts, 15- slide rails, 16- limited blocks, 17- solar-electricities
Pond.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, art
Language " installation ", " being provided with ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or
It is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be by between intermediary
Connect connected, can be the connection of two element internals.For the ordinary skill in the art, it can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Fig. 1, Fig. 2, Fig. 3 are referred to, the present embodiment is related to a kind of frost prevention switch cabinet, including cabinet 1 and cabinet door 2, the cabinet
The outer wall of body 1 is provided with warming plate 3, and warming plate 3 is interior to be provided with heater accommodating chamber 4, and the inside of heater accommodating chamber 4, which is provided with, to be added
Thermal 5, the heater 5 includes control unit 501, Energizing unit 502 and sensing unit 503, the inwall of cabinet 1
Provided with heat dissipating layer 6, radiating tube accommodating chamber 7 is provided with the heat dissipating layer 6, radiating tube 11 spirals inside radiating tube accommodating chamber 7, institute
The heat emission hole 8 that the inner chamber of cabinet 1 and radiating tube accommodating chamber 7 are communicated with heat dissipating layer 6 is stated, the bottom of cabinet 1 is stored up provided with liquid
Deposit room 9, the liquid storage room 9 is provided with water pump 10, the control liquid of water pump 10 liquid storage room 9 and radiating tube 11 it
Between circulate, be equipped with temperature sensor 12 between the inner chamber of cabinet 1 and the outer wall of cabinet 1, the temperature sensor 12, heating dress
5, water pump 10 is put respectively with the signal of controller 13 in cabinet door 2 to be connected.
When wintry weather is subcooled, the temperature sensor monitors positioned at cabinet outer wall to outside temperature exceed limit value
When, the work of control order heater improves the temperature of cabinet；Temperature in the temperature sensor monitors in cabinet to cabinet
When degree exceeds limit value, while radiating tube flowing of the liquid in heat dissipating layer is radiated, temperature is transmitted to cabinet, contributes to cabinet
It is antifreeze.
Wherein, the sensing unit 503 is wire netting.
Using wire netting as sensing unit, heat conduction ratio is very fast, and it is uniform to radiate.
Wherein, the wire netting is made up of the ferroalloy materials with magnetic conduction function.
Using the wire netting of the ferroalloy materials with magnetic conduction function, heat conduction is fast, and radiating is uniform.
Wherein, the diameter of the wire netting is not less than 1mm, and grid spacing is not more than 8mm.
Referring to Fig. 4, the warming plate 3 is arranged on the outer wall of cabinet 1 by bolt 14.
Using such structure, facilitate the maintenance and installation of warming plate.
Embodiment 2
Fig. 1, Fig. 2, Fig. 3 are referred to, the present embodiment is related to a kind of frost prevention switch cabinet, including cabinet 1 and cabinet door 2, the cabinet
The outer wall of body 1 is provided with warming plate 3, and warming plate 3 is interior to be provided with heater accommodating chamber 4, and the inside of heater accommodating chamber 4, which is provided with, to be added
Thermal 5, the heater 5 includes control unit 501, Energizing unit 502 and sensing unit 503, the inwall of cabinet 1
Provided with heat dissipating layer 6, radiating tube accommodating chamber 7 is provided with the heat dissipating layer 6, radiating tube 11 spirals inside radiating tube accommodating chamber 7, institute
The heat emission hole 8 that the inner chamber of cabinet 1 and radiating tube accommodating chamber 7 are communicated with heat dissipating layer 6 is stated, the bottom of cabinet 1 is stored up provided with liquid
Deposit room 9, the liquid storage room 9 is provided with water pump 10, the control liquid of water pump 10 liquid storage room 9 and radiating tube 11 it
Between circulate, be equipped with temperature sensor 12 between the inner chamber of cabinet 1 and the outer wall of cabinet 1, the temperature sensor 12, heating dress
5, water pump 10 is put respectively with the signal of controller 13 in cabinet door 2 to be connected.
When wintry weather is subcooled, the temperature sensor monitors positioned at cabinet outer wall to outside temperature exceed limit value
When, the work of control order heater improves the temperature of cabinet；Temperature in the temperature sensor monitors in cabinet to cabinet
When degree exceeds limit value, while radiating tube flowing of the liquid in heat dissipating layer is radiated, temperature is transmitted to cabinet, contributes to cabinet
It is antifreeze.
Wherein, the sensing unit 503 is wire netting.
Using wire netting as sensing unit, heat conduction ratio is very fast, and it is uniform to radiate.
Wherein, the wire netting is made up of the ferroalloy materials with magnetic conduction function.
Using the wire netting of the ferroalloy materials with magnetic conduction function, heat conduction is fast, and radiating is uniform.
Wherein, the diameter of the wire netting is not less than 1mm, and grid spacing is not more than 8mm.
Referring to Fig. 5, the outer wall of cabinet 1 is provided with upright slide rail 15, the insertion of warming plate 3 is arranged on upright slide rail 15
On.
Using such structure, facilitate the maintenance and installation of warming plate.
Wherein, the bottom of upright slide rail 15 is provided with limited block 16, the position for limiting warming plate.
Using such structure, the position of warming plate can be limited, prevents warming plate from coming off.
Embodiment 3
Fig. 1, Fig. 2, Fig. 3 and Fig. 6 are referred to, the present embodiment is related to a kind of frost prevention switch cabinet, including cabinet 1 and cabinet door 2, institute
The outer wall of cabinet 1 is stated provided with warming plate 3, interior be provided with inside heater accommodating chamber 4, the heater accommodating chamber 4 of warming plate 3 sets
There is heater 5, the heater 5 is included in control unit 501, Energizing unit 502 and sensing unit 503, the cabinet 1
Wall, which is provided with heat dissipating layer 6, the heat dissipating layer 6, is provided with radiating tube accommodating chamber 7, and radiating tube 11 spirals inside radiating tube accommodating chamber 7,
The heat emission hole 8 of the inner chamber of cabinet 1 and radiating tube accommodating chamber 7 is communicated with the heat dissipating layer 6, the bottom of cabinet 1 is provided with liquid
Storage room 9, the liquid storage room 9 is provided with water pump 10, and the water pump 10 controls liquid in liquid storage room 9 and radiating tube 11
Between circulate, be equipped with temperature sensor 12 between the inner chamber of cabinet 1 and the outer wall of cabinet 1, the temperature sensor 12, heating
Device 5, water pump 10 are connected with the signal of controller 13 in cabinet door 2 respectively.
When wintry weather is subcooled, the temperature sensor monitors positioned at cabinet outer wall to outside temperature exceed limit value
When, the work of control order heater improves the temperature of cabinet；Temperature in the temperature sensor monitors in cabinet to cabinet
When degree exceeds limit value, while radiating tube flowing of the liquid in heat dissipating layer is radiated, temperature is transmitted to cabinet, contributes to cabinet
It is antifreeze.
Wherein, the sensing unit 503 is wire netting.
Using wire netting as sensing unit, heat conduction ratio is very fast, and it is uniform to radiate.
Wherein, the wire netting is made up of the ferroalloy materials with magnetic conduction function.
Using the wire netting of the ferroalloy materials with magnetic conduction function, heat conduction is fast, and radiating is uniform.
Wherein, the diameter of the wire netting is not less than 1mm, and grid spacing is not more than 8mm.
Wherein, the bottom of cabinet 1 is provided with solar panels battery 17, the electricity of solar cell 17 and the controller 13
It is connected.
Using such structure, solar energy is powered for controller, energy-conserving and environment-protective.
From above-described embodiment as can be seen that frost prevention switch cabinet homogeneous heating of the present invention, the efficiency of heating surface are high, Ke Yida
To effectively antifreeze purpose, so that fault rate is low, it is adapted to promote, it is specific as follows：
(1) frost prevention switch cabinet outer wall of the present invention, which is provided with warming plate, warming plate, is provided with heater, heater
Including control unit, Energizing unit and sensing unit, sensing unit is wire netting, and the efficiency of heating surface is high, homogeneous heating, so that
The cabinet efficiency of heating surface is high, homogeneous heating, so as to reach effectively freeze proof purpose, reduces the failure caused by low temperature；
(2) frost prevention switch cabinet of the present invention, warming plate is movably arranged on cabinet, facilitates the installation and inspection of warming plate
Repair；
(3) it is provided with inside frost prevention switch of the present invention in heat dissipating layer, heat dissipating layer and is provided with radiating tube, is helping switch cubicle
While radiating, switch cubicle is transferred heat to, contributes to switch cubicle antifreeze.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of frost prevention switch cabinet, including cabinet and cabinet door, it is characterised in that the cabinet outer wall is provided with warming plate, warming plate
Interior be provided with inside heater accommodating chamber, the heater accommodating chamber is provided with heater, and the heater includes control
Unit, Energizing unit and sensing unit, the cabinet inwall, which is provided with heat dissipating layer, the heat dissipating layer, is provided with radiating tube accommodating chamber,
Radiating tube is spiraled inside radiating tube accommodating chamber, and the radiating of cabinet inner chamber and radiating tube accommodating chamber is communicated with the heat dissipating layer
Hole, the bottom of cabinet bulk is provided with liquid storage room, and the liquid storage room is provided with water pump, and the water pump controls liquid in liquid
Circulated between storage room and radiating tube, temperature sensor is equipped between the cabinet inner chamber and cabinet outer wall, the temperature is passed
Sensor, heater, water pump are connected with the controller signals in cabinet door respectively.
2. frost prevention switch cabinet according to claim 1, it is characterised in that the sensing unit is wire netting.
3. frost prevention switch cabinet according to claim 2, it is characterised in that the wire netting is by the ferroalloy with magnetic conduction function
Material is made.
4. frost prevention switch cabinet according to claim 1, it is characterised in that the diameter of the wire netting is not less than between 1mm, grid
Away from no more than 8mm.
5. frost prevention switch cabinet according to claim 1, it is characterised in that the warming plate is arranged on the cabinet by bolt
Outer wall.
6. frost prevention switch cabinet according to claim 1, it is characterised in that the cabinet outer wall is provided with upright slide rail, the guarantor
Warm plate insertion is arranged on upright slide rail.
7. frost prevention switch cabinet according to claim 6, it is characterised in that the upright slide rail bottom is provided with limited block.
8. frost prevention switch cabinet according to claim 1, it is characterised in that the bottom of cabinet bulk is provided with solar panels battery, institute
State solar cell and the controller is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354481.XA CN107204583A (en) | 2017-05-19 | 2017-05-19 | A kind of frost prevention switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354481.XA CN107204583A (en) | 2017-05-19 | 2017-05-19 | A kind of frost prevention switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107204583A true CN107204583A (en) | 2017-09-26 |
Family
ID=59905815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354481.XA Withdrawn CN107204583A (en) | 2017-05-19 | 2017-05-19 | A kind of frost prevention switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107204583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018620A (en) * | 2019-05-30 | 2020-12-01 | 河南平芝高压开关有限公司 | Control cubicle of GIS equipment and GIS equipment using same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783482A (en) * | 2009-01-16 | 2010-07-21 | 常州帕斯菲克自动化技术有限公司 | Intelligent temperature difference type condensation-preventing controller for switchgear and method thereof |
| CN104283133A (en) * | 2014-09-28 | 2015-01-14 | 苏州市世纪晶源光电科技有限公司 | Constant-temperature power distribution cabinet |
| CN105406731A (en) * | 2015-11-30 | 2016-03-16 | 成都德善能科技有限公司 | Intelligent rectifier cabinet and temperature control method thereof |
| CN105655894A (en) * | 2016-02-22 | 2016-06-08 | 成都振中电气有限公司 | Convenient-to-maintain power distribution box |
| CN205510660U (en) * | 2016-04-19 | 2016-08-24 | 张乃启 | Constant temperature regulator cubicle |
| CN106058667A (en) * | 2016-06-03 | 2016-10-26 | 新昌县儒岙晨辉不锈钢制品厂 | Movable and liftable intelligent stainless steel power distribution cabinet |
| CN106532516A (en) * | 2016-11-03 | 2017-03-22 | 上海和鸣超导变压器有限公司 | Superconducting box-type substation |
-
2017
- 2017-05-19 CN CN201710354481.XA patent/CN107204583A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783482A (en) * | 2009-01-16 | 2010-07-21 | 常州帕斯菲克自动化技术有限公司 | Intelligent temperature difference type condensation-preventing controller for switchgear and method thereof |
| CN104283133A (en) * | 2014-09-28 | 2015-01-14 | 苏州市世纪晶源光电科技有限公司 | Constant-temperature power distribution cabinet |
| CN105406731A (en) * | 2015-11-30 | 2016-03-16 | 成都德善能科技有限公司 | Intelligent rectifier cabinet and temperature control method thereof |
| CN105655894A (en) * | 2016-02-22 | 2016-06-08 | 成都振中电气有限公司 | Convenient-to-maintain power distribution box |
| CN205510660U (en) * | 2016-04-19 | 2016-08-24 | 张乃启 | Constant temperature regulator cubicle |
| CN106058667A (en) * | 2016-06-03 | 2016-10-26 | 新昌县儒岙晨辉不锈钢制品厂 | Movable and liftable intelligent stainless steel power distribution cabinet |
| CN106532516A (en) * | 2016-11-03 | 2017-03-22 | 上海和鸣超导变压器有限公司 | Superconducting box-type substation |
Non-Patent Citations (1)
| Title |
|---|
| 高冬: "《实用PVC木塑发泡板技术手册》", 31 January 2015, 金盾出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018620A (en) * | 2019-05-30 | 2020-12-01 | 河南平芝高压开关有限公司 | Control cubicle of GIS equipment and GIS equipment using same |
| CN112018620B (en) * | 2019-05-30 | 2023-10-27 | 河南平芝高压开关有限公司 | GIS equipment's cubicle and use GIS equipment of this cubicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11069470B1 (en) | System, method and apparatus for transformer cooling | |
| CN105762693B (en) | Novel box-type substation | |
| CN102777330B (en) | Independent water cooling device of large-scale megawatt-level wind generating set | |
| WO2008043389A1 (en) | Transformer for an ocean current power station | |
| CN105762692B (en) | Box-type substation | |
| CN207530321U (en) | A kind of self-loopa semiconductor refrigerating cooling electric power cabinet | |
| CN206628756U (en) | A kind of electrical equipment special efficient heat radiating type switch cubicle | |
| CN102966249B (en) | Container for vehicle-mounted mobile direct current deicing device | |
| CN107204583A (en) | A kind of frost prevention switch cabinet | |
| CN219420033U (en) | Low-voltage preassembled transformer substation | |
| CN202727925U (en) | Self-cooling circulating system for vehicle-mounted ice melting device | |
| CN217692125U (en) | Intelligent dehumidification device for power switch cabinet | |
| CN209709455U (en) | A kind of Novel outdoor box-type substation | |
| CN202746119U (en) | Independent water cooling device of large megawatt wind generating set | |
| CN107728512B (en) | Intelligent device with intelligent monitoring function and double switchable transformers | |
| CN203871119U (en) | Heat dissipating device for oil-immersed transformer | |
| CN207801252U (en) | A kind of control cabinet based on wireless network | |
| CN208923647U (en) | A kind of multiple field heat-dissipation switch cabinet | |
| CN110635374B (en) | Novel insulating inflatable looped netowrk switchgear that seals | |
| CN206992556U (en) | A kind of high-tension switch cabinet heat sink | |
| CN213937000U (en) | Energy-saving electrical switch cabinet with temperature monitoring device | |
| CN207185087U (en) | A kind of inverter power supply device of water cooling and heat tube for composite radiation | |
| CN205646540U (en) | Radiator that cubical switchboard was used | |
| CN215183469U (en) | Voltage transformer with voltage-sharing structure | |
| CN220472366U (en) | Refrigerating station water pump and cooling tower control device thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170926 |