CN104242110B - Remote monitoring compartment transformer substation - Google Patents
Remote monitoring compartment transformer substation Download PDFInfo
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- CN104242110B CN104242110B CN201410454135.5A CN201410454135A CN104242110B CN 104242110 B CN104242110 B CN 104242110B CN 201410454135 A CN201410454135 A CN 201410454135A CN 104242110 B CN104242110 B CN 104242110B
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- liquid
- storage pool
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Abstract
The invention discloses a remote monitoring compartment transformer substation which comprises a box body and cavities divided by partition plates in the box body. The box body comprises a liquid collecting device, a driving device and circulating devices. The liquid collecting device is placed on the top of the box body and is used for collecting and storing liquid. The driving device is placed on the box body and is used for controlling rotating of the liquid collecting device. The circulating devices are placed on the outer surfaces of the cavities and are used for liquid circulating movement. According to the remote monitoring compartment transformer substation, liquid collecting grooves in the top of the box body are used for collecting part of rainwater, the rainwater flows into a liquid storage pool through liquid collecting holes, the box body is divided into the cavities through the partition plates, pipelines are surrounded on the peripheries of the cavities, the pipelines are communicated with the liquid storage pool, through circulation of the rainwater in the pipelines, heat generated in the cavities are taken away, and the effect of lowering the temperature in the box body is achieved.
Description
Technical field
The present invention relates to a kind of transformer station, especially relate to a kind of remote monitoring van-type transformer station.
Background technology
Van-type transformer station is a kind of high-tension switch gear, distribution transformer and low-voltage distribution equipment, by certain connection plan
Row's all-in-one-piece prefabrication is indoor, outdoor close-coupled controller switching equipment, will high powered, transformer pressure-reducing, low-voltage distribution etc.
Function is organically combined, and is arranged on a protection against the tide, antirust, dust-proof, protection against rodents, fire prevention, heat-insulated, totally-enclosed moveable steel
In structure casing, it is widely used in urban network construction and upgradation, but the distribution transformer in van-type transformer station operationally can produce
Raw substantial amounts of heat, and these heats are as dispersed not in time, it will make transformation Indoor Temperature spend height, transformator when serious, can be affected
Normal work, and existing van-type transformer station is full-closed structure, and the air vent of base plate cannot meet distributing of heat, casing
Wallboard adopts thermal insulation board, though good heat-blocking action can be played, particularly in hot, rainy summer, the temperature inside the box when rainy
Raise, tank surface temperature is low；When being exposed to the sun, box interior temperature is low, and tank surface temperature is high, and existing electromechanical equipment is
Excellent working environment should be the environment of constant temperature and pressure constant humidity degree, and the frequent height imbalance of temperature can bring work to van-type transformer station
Performance impact.
In order to solve heat dissipation problem, a kind of van-type transformer station as disclosed in Application No. 201010586666.1, including by
The casing of base plate, wallboard and top cover composition, box house is separated into altitude chamber, low-pressure chamber and pressure change chamber by dividing plate, constitutes transformation
The wallboard of room is made up of spaced inside and outside wallboard, described Side fascia offers exhaust outlet, and is provided with exhaust outlet
Exhaust fan, described lining offers connected entrance, when the temperature difference inside and outside casing frequently changes, is radiated by exhaust fan
This mode can not reach good hygral equilibrium effect.
In view of drawbacks described above, creator of the present invention passes through long research and practice obtains this creation finally.
Content of the invention
It is an object of the invention to, provide the remote monitoring van-type transformer station that a kind of thermal balance effect is good, on overcoming
State technological deficiency.
For achieving the above object, the technical solution used in the present invention is, provides a kind of remote monitoring van-type power transformation first
Stand, the chamber being separated into including casing and described casing inner route clapboard, described casing includes:
One fluid collection device, it is located at the top of described casing and is used for collecting and stores liquid；
One driving means, it is located on described casing and controls described fluid collection device to rotate；
One circulating device, it is located on the outer surface of described chamber for liquid circulation motion.
Preferably, described fluid collection device includes:
One collecting tank, it is located at the outside on described casing top and is used for collecting liquid；
One liquid collecting hole, it is located on described collecting tank and turns on casing by the liquid in described collecting tank by described liquid collecting
Hole flows in casing；
One liquid storage pool, it is used for collecting the liquid flowing in casing by described liquid collecting hole under described liquid collecting hole.
Preferably, described driving means include:
One gear, it is centered around on described liquid storage pool and is used for driving liquid storage pool to rotate；
One handle, it is located at and is used for driving described pinion rotation on casing；
One handle driving wheel, it is connected with described handle and is engaged with described gear and is delivered to the driving force of described handle
On described gear.
Preferably, described circulating device includes pipeline, described pipe ends mouth be connected on described liquid storage pool and with described
Liquid storage pool turns on.
Preferably, being provided with lattice in described liquid storage pool, described blocking part is located between described pipe ends mouth, described point
Every portion, described liquid storage pool is separated into hot junction and cold end.
Preferably, the function expression of described lattice is
Wherein (x, y) is described lattice cross sectional coordinate, and e is natural constant, and a is described lattice peak to described hot junction liquid storage pool
The horizontal range of pool wall, d is described hot junction liquid storage pool pool wall extremely described cold end liquid storage pool pool wall distance, and c is described liquid storage pool bottom
Hold to described liquid storage pool top, b is described lattice peak to described liquid storage pool bottom vertical dimension.
Preferably, described liquid storage pool is provided with overflow pipe, and unnecessary liquid is discharged described liquid storage pool.
Preferably, described casing is provided with temperature sensor for the both sides temperature of measure case body phase pair.
Preferably, described pipeline is provided with temperature sensor being provided with for measuring the temperature of box house, described casing
Temperature sensor is used for the both sides temperature of measure case body phase pair.
Preferably, described pipe racks is provided with sewage draining exit, described sewage draining exit is connected with water flow switch.
Compared with the prior art the beneficial effects of the present invention is: by the collecting tank of casing top by part rainwater-collecting
Get up, rainwater is flowed in liquid storage pool by liquid collecting hole, and casing is divided into chamber by dividing plate, and pipeline is centered around the outer surface of chamber
On, pipeline is turned on liquid storage pool, and by circulation in pipeline for the rainwater, the heat that within the chamber is sent is taken away, and reduces
The effect of case body temperature；It is provided with the water-retaining structure of uniqueness, can promote cooling water circulation；Can be different according to high temperature location
It is adjusted；Carry out water circulation using rainwater, energy saving and can be with steady operation humidity.
Brief description
Fig. 1 is the structural representation of remote monitoring van-type transformer station of the present invention embodiment one；
Fig. 2 is the structural representation that in Fig. 1, fluid collection device is coordinated with driving means；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the structural representation of remote monitoring van-type transformer station of the present invention embodiment two；
Fig. 5 is the structural representation that in Fig. 4, fluid collection device is coordinated with driving means；
Fig. 6 is the sectional view of Fig. 5.
In figure: 1- casing；2- case lid；3- collecting tank；31- first collecting tank；32- second collecting tank；4- liquid collecting hole；41-
First liquid collecting hole；42- second liquid collecting hole；5- liquid storage pool；51- first liquid storage pool；52- second liquid storage pool；6- gear；61- first
Gear；62- second gear；7- handle drives wheel；8- handle；9- overflow pipe；91- first overflow pipe；92- second overflow pipe；10-
Chamber；101- first chamber；102- second chamber；11- pipeline；111- first pipeline；112- second pipe；12- temperature sensing
Device；121- first temperature sensor；122- second temperature sensor；13- water flow switch；131- first water flow switch；132-
Two water flow switches；14- power transmission shaft；15- axis hole；16- pipeline opening；17- lattice；171- first lattice；172- second separates
Portion；18- locating shaft；181- first locating shaft；182- second locating shaft；19- sewage draining exit；191- first sewage draining exit；192- second
Sewage draining exit；20- hot junction；21- cold end.
Specific embodiment
Below in conjunction with accompanying drawing, the above-mentioned He other technical characteristic of the present invention and advantage are described in more detail.
Embodiment one:
As shown in figure 1, a kind of remote monitoring van-type transformer station, including casing 1, case lid 2, casing 1 are provided with casing 1
Inside include fluid collection device, driving means and circulating device.
Fluid collection device includes collecting tank 3, liquid collecting hole 4 and liquid storage pool 5, and collecting tank 3 is located on case lid 2, collecting tank 3
Partially liq can be collected, liquid collecting hole 4 is located in collecting tank 3, and partially liq flows into the liquid storage pool 5 in casing 1 by liquid collecting hole 4
In, remaining liquid can flow on ground along collecting tank 3.
It is divided into Part I and Part II, Part I is separated by baffle plate with Part II, liquid storage pool in casing 1
5 and driving means place over the first portion, chamber 10 and circulating device are located in Part II, Part I and second
Divide and turned on by pipeline 11.
Circulating device is pipeline 11, and this pipeline 11 is centered around the outside of chamber 10, and tube wall to be made fully is contacted with chamber 10,
The cross sectional shape of pipeline 11 is preferably square or rectangle, increases the contact area of pipeline 11 and chamber 10, makes chamber 10
The heat that inner part sends is taken away by the flowing of liquid in pipeline 11, and the pipeline opening 16 of pipeline 11 and liquid storage pool 5 turn on, and stores liquid
Liquid in pond 5 is flow to by pipeline opening 16 and flows out liquid storage pool 5, forms a water circulation.
Some first temperature sensors 121 are provided with casing 1, the first temperature sensor 121 can rank casing 1 respectively
Two side on, the temperature of chamber 10 both sides can be measured, be conveniently adjusted liquid storage pool 5.
It is provided with overflow pipe 9 on the top of liquid storage pool 5, overflow pipe 9 extends to the outside of casing 1, the liquid in liquid storage pool 5
When completely to overflow pipe 9 mouth of pipe, liquid can be from overflow pipe 9 flows out casing 1, it is to avoid in liquid storage pool 5, liquid spills in casing 1,
Reduce potential safety hazard, the quantity of overflow pipe 9 can also be many for one, and specific quantity can be come according to the actual requirements
Formulate.
It is provided with sewage draining exit 19 in the bottom of pipeline 11, an external water flow switch 13 on sewage draining exit 19, due to liquid storage pool 5
Interior liquid is collected by the external world, therefore there is impurity in liquid, impurity is deposited in liquid storage pool 5 bottom, and pipeline 11
It is connected on liquid storage pool 5 bottom, therefore impurity can enter in pipeline 11 with current, life-time service, the impurity meeting in pipeline 11
Cumulative, such as removing can cause the blocking of pipeline 11 not in time, thus affecting water circulation, opening up current in pipeline 11 bottom and opening
Close 13, periodically the liquid in pipeline 11 can be changed, impurity be discharged to outside pipeline 11 simultaneously.
As shown in Figure 1 and Figure 2, driving means include gear 6, handle drives wheel 7 and handle 8, and gear 6 is centered around storage liquid
On the outside in pond 5, handle drives wheel 7 is engaged with gear 6, and handle drives wheel 7 offers axis hole 15, and power transmission shaft 14 is located in axle
In hole 15, handle 8 is provided with the first helical gear, power transmission shaft 14 is provided with the second helical gear, handle 8 pass through the first helical gear with
Second helical gear engagement, the power that handle 8 is rotated is delivered on handle drives wheel 7, then is transmitted power by handle drives wheel 7
To on gear 6, gear 6 rotates and drives liquid storage pool 5 to rotate.It is provided with two through holes in liquid storage pool 5 bottom, pipeline opening 16 is through through hole
Interior, liquid storage pool 5 ovalize, and the diameter at oval two ends is different, the less one end of diameter is cold end 21, is relatively large in diameter
One end be hot junction 20 it will be apparent that, cold end 21 reservoir storage is larger, and hot junction 20 reservoir storage is less.
As described in Figure 3, lattice 17 is located between cold end 21 and hot junction 20, and cold end 21 and hot junction 20 are by lattice 17
Liquid storage pool 5 is separated formation, during separation, lattice 17 is arranged slightly towards hot junction 20 side, and the volume in therefore hot junction 20 is less than
The volume of cold end 21, lattice 17 cross-section profile shape is in axe shape, and its cross-section function expression formula is:
In formula, a is the horizontal range to hot junction 20 pool wall for lattice 17 peak, and d is hot junction 20 pool wall to cold end 21 pond
Wall distance, c is the distance on liquid storage pool 5 bottom to top, that is, the height of whole liquid storage pool, and b is for lattice 17 peak extremely
Liquid storage pool 5 bottom vertical dimension.The lattice 17 of this kind of structure includes a sharp section near hot junction 20 with one near cold end 21
Gentle section, such structure setting, first liquid storage pool 5 has been divided into two different size of parts, has reduced in liquid storage pool 5
The convection current of portion's liquid, because in order to ensure the flowing of the liquid in pipeline 11 it is necessary to make the liquid in liquid storage pool 5 keep temperature relatively
Difference；Secondly, liquid can be made being moved, such as the convective motion within hot junction 20, the convective motion within cold end 21 with
And water crosses from hot junction 20 that the process that lattice 17 moves to cold end 21 is more smooth, prevent that other structures from causing is acutely right
Stream, and destroy the cold cycling in liquid storage pool 5.
It is provided with locating shaft 18 in lattice 17, one end of locating shaft 18 is fixed in lattice 17, and the other end is fixed on
On baffle plate, when liquid storage pool 5 is when rotating, rotate around locating shaft 18, non-stop layer displacement, locating shaft 18 plays the effect of positioning simultaneously
Lattice 17 is fixed on liquid storage pool 5 bottom, and locating shaft 18 is fixed in lattice 17, and extends to outside lattice 17, extends to
One end outside lattice 17 is arranged on baffle plate and rotates so as to can achieve, or locating shaft 18 is fixedly connected on baffle plate, separately
One end is movably connected in lattice 17, that is, be through in lattice 17, so that liquid storage pool 5 is rotated around it, locating shaft 18 is arranged on
In lattice 17, do not contact with liquid, reduce the leak probability of liquid storage pool 5.
During the rainy day, along collecting tank 3 toward dirty, toward during dirty, some rainwater can flow into rainwater from liquid collecting hole 4
In liquid storage pool 5 in casing 1, liquid storage pool 5 by rainwater slowly collect for use, after influent in liquid storage pool 5,
Liquid will be in pipeline opening 16 flow ipe 11.
During fine day, liquid storage pool 5 stores the rainwater having expired rainy day collection.When the first temperature sensor 121 detects casing 1 two ends
Pass through turning handle 8 when the temperature difference is larger, allow handle 8 drive handle drives wheel 7 to rotate, handle drives wheel 7 carries 6 turns of moving gear again
Dynamic, liquid storage pool 5 passes through the rotation of gear 6, by liquid storage pool 5 hot junction 20 towards the higher one end of temperature, liquid storage pool 5 cold end 21 direction
The relatively low one end of temperature.In the pipeline 11 of hot junction 20 lower section, water is heated, and temperature is higher than the pipeline 11 of cold end 21 lower section, institute
With, in the pipeline 11 of hot junction 20 lower section, water uptrend becomes apparent from, and in pipeline 11, the water of disappearance is supplemented by cold end 21,
Integrally cross lattice 17 by hot junction 20 flows to cold end 21 to water in whole pipeline 11 system, then returns to hot junction from pipeline 11
20, in whole process, the heat that hot junction 20 is taken away is more than cold end 21, is simultaneously achieved casing cooling and cold and hot balance.As
Fruit casing 1 difference variation, then can be detected by the first temperature sensor 121, by swinging handle, liquid storage pool 5 be changed direction,
Then achieve exchanging of cold end 21 and hot junction 20.
Due to the presence of lattice 17, liquid storage pool 5 has been separated into two parts, two parts in working order in, temperature
Difference, heated water rises in hot junction 20, will not be rapidly because convection action cools down, and hot junction 20 keeps of a relatively high temperature
Degree；Meanwhile, the water of heating rises, and causes cooling in pipeline 11, does not have the pipeline opening 16 that colder water passes through hot junction 20
Enter pipeline 11, upset cold cycling.
And, by arranging variform cold end 21 and hot junction 20, one is to make operator be easy to differentiate current state,
Two while be the volume having expanded hot junction 20, limits the motion of hot water molecules, makes hot water molecules be not easy to climb over lattice 17
Enter cold end 21 thus reducing temperature.
Embodiment two:
As shown in Figure 4, Figure 5, the embodiment of the present invention two is similar to embodiment one, and difference is, the chamber in casing 1
10 are two, and therefore corresponding with chamber 10 other equipment is two, and collecting tank 3 is respectively the first collecting tank 31 and the second liquid collecting
Groove 32, liquid storage pool 5 is respectively the first liquid storage pool 51 and the second liquid storage pool 52, and gear 6 is respectively first gear 61 and second gear
62, overflow pipe 9 is respectively the first overflow pipe 91 and the second overflow pipe 92, and water flow switch 13 is respectively the first water flow switch 131 He
Second water flow switch 132, as shown in fig. 6, lattice 17 is respectively the first lattice 171 and the second lattice 172, locating shaft 18
It is respectively the first locating shaft 181 and the second locating shaft 182, corresponding every pipeline 11 is equipped with temperature sensor 12, handss
Handle driving wheel 7 is engaged with second gear 62, and second gear 62 is engaged with first gear 61, handle 8 rotational band fixed handle driving wheel
7, handle drives wheel 7 drives second gear 62 to rotate, and second gear 62 rotates in drive first gear 61 and reaches the first storage liquid
Pond 51 and the second liquid storage pool 52 rotate, and structure in addition is identical with embodiment one with work process, will not be described here.
In the present invention be by collect rainwater realize water circulation reduce and balance box 1 in temperature, can lower
Cost, but if running into prolonged drought weather, can be by overflow pipe 9 to liquid storage pool 5 infusion fluid, to ensure in liquid storage pool 5
Enough liquid is had to be used as cooling.
It is provided with second temperature sensor 122, the two side of casing 1 is provided between first chamber 101 and second chamber 102
First temperature sensor 121, can be measured by described first temperature sensor 121 and described second temperature sensor 122
Casing 1 and first chamber 101, the temperature difference between first chamber 101 and second chamber 102.
As shown in fig. 6, the first liquid storage pool 51 and the second liquid storage pool 52 are equally respectively provided with a hot junction 20 and a cold end 21, heat
Hold 20 volumes less, cold end 21 volume is larger, gear mechanism rotation, the first liquid storage pool 51 and the second liquid storage pool are driven by handle
52 can rotate backward relatively, rotate, always, near cold end 21, hot junction 20 is near hot junction 20 for cold end 21 anyway.
Be higher than casing 1 external temperature when temperature sensor 12 provides result for casing 1 internal temperature, then will using handle 8
Hot junction 20 is shaken near internal relative position, identical with embodiment one principle, and the heat that system is taken away from casing 1 center will
Higher than the heat taken away outside casing 1, thus gradually achieving the balance of temperature；If the result that temperature sensor 12 is given is
Casing 1 external temperature is higher than the temperature within casing 1, then shaken cold end 21 to the relative position near inside using handle 8,
Identical with embodiment one principle, the heat that system is taken away outside casing 1 is higher than the heat taken away inside casing 1, thus
Gradually achieve the balance of temperature.
The foregoing is only presently preferred embodiments of the present invention, be merely illustrative for the purpose of the present invention, and non-limiting
's.Those skilled in the art understands, it can be carried out in the spirit and scope that the claims in the present invention are limited with many changes,
Modification, in addition equivalent, but fall within protection scope of the present invention.
Claims (6)
1. a kind of remote monitoring van-type transformer station, the chamber being separated into including casing and described casing inner route clapboard, its feature
It is: described casing includes:
One fluid collection device, it is located at the top of described casing and is used for collecting and stores liquid；
One driving means, it is located on described casing and controls described fluid collection device to rotate；
One circulating device, it is located on the outer surface of described chamber for liquid circulation motion；Wherein, described fluid collection device
Including:
One collecting tank, it is located at the outside on described casing top and is used for collecting liquid；
One liquid collecting hole, it is located on described collecting tank and turns on casing and the liquid in described collecting tank is passed through described liquid collecting hole stream
In cartonning body；
One liquid storage pool, it is used for collecting the liquid flowing in casing by described liquid collecting hole under described liquid collecting hole；
Wherein, described circulating device includes pipeline, described pipe ends mouth be connected on described liquid storage pool and with described liquid storage pool
Conducting；
It is provided with lattice, described lattice is located between described pipe ends mouth, and described lattice will be described in described liquid storage pool
Liquid storage pool is separated into hot junction and cold end；
The function expression in described lattice section is
Wherein (x, y) is described lattice cross sectional coordinate, and e is natural constant, and a is that described lattice peak stores to described hot junction
The horizontal range of liquid pool pool wall, d is described hot junction liquid storage pool pool wall extremely described cold end liquid storage pool pool wall distance, and c is described storage liquid
The distance at the bottom of pond end to described liquid storage pool top, b is described lattice peak to described liquid storage pool bottom vertical dimension.
2. remote monitoring van-type transformer station as described in claim 1 it is characterised in that: described driving means include:
One gear, it is centered around on described liquid storage pool and is used for driving liquid storage pool to rotate；
One handle, it is located at and is used for driving described pinion rotation on casing；
One handle driving wheel, its be connected with described handle and engage with described gear the driving force of described handle is delivered to described
On gear.
3. remote monitoring van-type transformer station as described in claim 1 it is characterised in that: described liquid storage pool is provided with overflow pipe
Unnecessary liquid is discharged described liquid storage pool.
4. remote monitoring van-type transformer station as described in claim 1 it is characterised in that: described casing is provided with temperature sensing
Device is used for the both sides temperature of measure case body phase pair.
5. remote monitoring van-type transformer station as described in claim 1 it is characterised in that: described pipeline is provided with temperature sensing
Device is used for measuring the temperature of box house, and described casing is provided with temperature sensor for the both sides temperature of measure case body phase pair.
6. remote monitoring van-type transformer station as described in claim 4 it is characterised in that: described pipeline is provided with sewage draining exit,
It is connected with water flow switch on described sewage draining exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454135.5A CN104242110B (en) | 2014-09-09 | 2014-09-09 | Remote monitoring compartment transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454135.5A CN104242110B (en) | 2014-09-09 | 2014-09-09 | Remote monitoring compartment transformer substation |
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| Publication Number | Publication Date |
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| CN104242110A CN104242110A (en) | 2014-12-24 |
| CN104242110B true CN104242110B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410454135.5A Expired - Fee Related CN104242110B (en) | 2014-09-09 | 2014-09-09 | Remote monitoring compartment transformer substation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261959A (en) * | 2015-10-17 | 2016-01-20 | 国网山东省电力公司枣庄供电公司 | Environment-friendly intelligent electric power equipment room |
| CN107332432A (en) * | 2017-08-21 | 2017-11-07 | 重庆路格科技有限公司 | The heat abstractor of Switching Power Supply |
| CN107808739B (en) * | 2017-12-04 | 2018-11-27 | 南京博路电气有限公司 | A kind of transformer protective housing with high-efficient radiating function |
| CN111416289B (en) * | 2020-03-30 | 2021-11-09 | 国网福建省电力有限公司南平供电公司 | Variable-frequency cooling device for armored cabinet of transformer substation and control method of variable-frequency cooling device |
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| JP2002164683A (en) * | 2000-11-27 | 2002-06-07 | Mori Seiki Co Ltd | Heat exchanger and control board of machine tool |
| CN203800442U (en) * | 2014-05-13 | 2014-08-27 | 大庆市联盛科技有限公司 | Novel power distribution cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002371597A (en) * | 2001-06-15 | 2002-12-26 | Toru Shibatani | Rain water collecting method |
| CN100419171C (en) * | 2004-12-28 | 2008-09-17 | 王基贤 | Method and installation for collecting and using rain water on flat roof |
| CN101403527A (en) * | 2008-07-28 | 2009-04-08 | 上海信业计算机网络工程有限公司 | Indoor automatic temperature control system by using rainwater |
| CN202997363U (en) * | 2012-12-30 | 2013-06-12 | 福建省长泰县供电有限公司 | Power distribution cabinet with water tank |
| CN203415873U (en) * | 2013-09-07 | 2014-01-29 | 安徽三益电力技术有限公司 | Heat radiation housing structure of outdoor switch cabinet |
| CN103701054B (en) * | 2014-01-07 | 2016-06-29 | 南宁市高照电器有限责任公司 | A kind of comprehensive distribution cabinet |
| CN103746650B (en) * | 2014-02-12 | 2016-09-28 | 中节能太阳能科技有限公司 | A kind of photovoltaic power station component automatic temp. reducing device |
| CN203734175U (en) * | 2014-02-26 | 2014-07-23 | 国家电网公司 | Box type transformer station |
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Patent Citations (2)
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|---|---|---|---|---|
| JP2002164683A (en) * | 2000-11-27 | 2002-06-07 | Mori Seiki Co Ltd | Heat exchanger and control board of machine tool |
| CN203800442U (en) * | 2014-05-13 | 2014-08-27 | 大庆市联盛科技有限公司 | Novel power distribution cabinet |
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Granted publication date: 20170125 Termination date: 20170909 |