CN104795741B - A kind of cooling control method of high voltage power distributing cabinet - Google Patents
A kind of cooling control method of high voltage power distributing cabinet Download PDFInfo
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- CN104795741B CN104795741B CN201510201627.8A CN201510201627A CN104795741B CN 104795741 B CN104795741 B CN 104795741B CN 201510201627 A CN201510201627 A CN 201510201627A CN 104795741 B CN104795741 B CN 104795741B
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- 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
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention discloses a kind of cooling control method of high voltage power distributing cabinet, and power distribution cabinet is placed in electric equipment compartment for it, all arranges the air channel that two ends are all located at outside electric equipment compartment above every row's power distribution cabinet, and the gas outlet at power distribution cabinet top is communicated with described air channel by radiating tube；Air channel two ends set air door, and air door is in open mode at ordinary times, and in air channel, the flow direction of air is communicated with the flow direction of outdoor air, and the hot-air in each power distribution cabinet overflows in air channel and finally shed air channel from radiating tube；It is additionally provided with the exhaust column communicating with all air channels above power distribution cabinet, exhaust column is provided with air exhauster, convulsion tube end also is located at outside electric equipment compartment；It is additionally provided with an inside and fill air-conditioned cold air cabinet in each electric equipment compartment, Dou Youyige cold house in each power distribution cabinet, cold air cabinet is communicated for a long time with the cold house in all power distribution cabinets.It is an advantage of the invention that：Good heat dissipation effect, make use of the wind energy of nature to radiate, energy consumption is little；Can ensure that electrical equipment normal work in cabinet.
Description
Technical field
The present invention relates to electric field, especially a kind of cooling control method of high voltage power distributing cabinet.
Background technology
Regulator cubicle is conventional electric product, and regulator cubicle is to be processed for protecting components and parts normal work by steel matter
Cupboard.Regulator cubicle making material is generally divided into hot rolled steel plate and two kinds of cold-rolled steel sheet.Cold-rolled steel sheet is relative to hot rolled steel plate more material
Matter is soft, is more suitable for the making of regulator cubicle.Regulator cubicle is of many uses to be mainly used in chemical industry, environmental protection industry (epi), power system, smelting
Golden system, industry, nuclear power industry, security against fire monitors, transportation industry etc..
In use, its internal electrical equipment can generate heat regulator cubicle, so that cabinet body temperature is raised, when temperature is too high
Easily the normal of its internal electrical equipment of impact uses and service life, for this reason, being designed with radiator structure on regulator cubicle, typically
It is setting vent or ventilation shutter on regulator cubicle, some regulator cubicles can arrange fan in vent, make electricity using fan
Gas holder interior air-flow changes, and improves radiating efficiency.
There is following technical problem in existing electric cabinet heat radiation：
1st, using the scheme arranging fan in regulator cubicle, because fan operationally can produce vibration, this vibration is led to
Cross to be connected between cabinet and be delivered in its internal electrical equipment, when various electrical equipments are chronically at vibrational state, its inside
Element device is easily impaired, have impact on service life, on the other hand, also because being shaken by long-term between various connecting lines and contact
Move and disengage, make whole system produce fault, therefore adopt the scheme existing problems of fan inside；
2nd, regulator cubicle is typically disposed in electric equipment compartment, if electric equipment compartment does not set air-conditioning, the temperature of whole electric equipment compartment can be very high, especially
In summer, because external air temperature is high, the fan in regulator cubicle is had to long-term work for it；If in addition set in electric equipment compartment
Air-conditioning, the most of formation of the cold air that air-conditioning produces is building energy consumption, and that is, the air in whole electric equipment compartment is required for lowering the temperature, so
Energy consumption is just high, does not calculate；
3rd, the control core in regulator cubicle：Controller does not have single radiator structure, and controller is once because of radiating not in time
And go wrong, whole system will be made to paralyse, cause immeasurable loss.
Due to there is above-mentioned technical problem in prior art, impact is using it is therefore necessary to improve.
Content of the invention
The invention aims to a kind of high voltage power distribution of the good heat dissipation effect solving the deficiency of above-mentioned technology and designing
The cooling control method of cabinet.
A kind of cooling control method of the high voltage power distributing cabinet designed by the present invention, power distribution cabinet is placed in electric equipment compartment for it,
And power distribution cabinet is divided into multiple rows of, often row's power distribution cabinet distribution in in-line, and each power distribution cabinet bottom is provided with air inlet, and its feature exists
In：The air channel that one two ends is all located at outside electric equipment compartment is all set above every row's power distribution cabinet, and the gas outlet at power distribution cabinet top leads to
Cross radiating tube to communicate with described air channel；Air channel two ends set air door, and air door is in open mode at ordinary times, in air channel the flow direction of air with
The flow direction of outdoor air communicates, and the hot-air in each power distribution cabinet overflows in air channel and finally shed air channel from radiating tube；
It is additionally provided with the exhaust column communicating with all air channels above power distribution cabinet, exhaust column is provided with air exhauster, convulsion tube end also is located at
Outside electric equipment compartment, air door is closed, and air exhauster works, and the hot-air in each power distribution cabinet can be extracted out outside electric equipment compartment by air exhauster；?
It is additionally provided with an inside in each electric equipment compartment and fills air-conditioned cold air cabinet, Dou Youyige cold house in each power distribution cabinet, in cold house
For installing important electrical equipment, cold air cabinet is communicated for a long time with the cold house in all power distribution cabinets, and cold air enters in cold house to institute
The important electrical equipment installed is lowered the temperature.
The cooling control method of the high voltage power distributing cabinet designed by the present invention, its beneficial effect is：
First, at ordinary times, the hot-air that each power distribution cabinet endogenous cause of ill electrical equipment works and heats up, risen due to hot-air
Principle can directly overflow in air channel by radiating tube, and the two ends in air channel are located at the outside of electric equipment compartment, the air in air channel with
Outside communicates, and outdoor air is substantially at flow regime, and the hot-air of air channel productive set can shed in time, and this make use of certainly
So radiating, energy consumption is little, and the hot-air in addition shedding directly has arrived outdoor, and the temperature of electric equipment compartment will not be made to raise for the wind energy on boundary,
When in electric equipment compartment, air themperature is low, it enters cooling effectiveness in power distribution cabinet and can improve；Secondly, single cold air cabinet passes through air-conditioning system
Cold, Dou Youyige cold house in each power distribution cabinet, it is used for installing important electrical equipment in cold house, in cold air cabinet and all power distribution cabinets
Cold house communicate for a long time, cold air enter cold house in the important electrical equipment installed is lowered the temperature, important electrical equipment one
As can be controller as PLC or industrial PC, or the electrical equipment that value ratio is higher, so, important electrical equipment obtains
Arrive preferential treatment, can be at for a long time in air conditioner surroundings, be not likely to produce fault, reduce the loss of therefore generation；This method adopts one
Only total air-conditioning is all of important electrical equipment cooling in electric equipment compartment, and air-conditioning is only communicated with each power distribution cabinet, and not with join
Air outside electric cabinet communicates, and air-conditioning, can play it is not necessary to produce excessive building energy consumption without the temperature reducing whole electric equipment compartment
Energy-conserving action；Furthermore, the door closable at air channel two ends, air exhauster can work, and can up take out the hot-air of all power distribution cabinets,
The temperature in power distribution cabinet, such scheme can be reduced, there is no the fan of Long-term Vibration in power distribution cabinet, it is possible to reduce to electrical equipment
Impact, the connective stability of terminal and electric wire can be prevented.
It is an advantage of the current invention that：Power distribution cabinet be divided into multiple rows of, often row power distribution cabinet all correspond to an air channel, can shed heat in time
Amount, good heat dissipation effect.On the other hand, the cold house in all power distribution cabinets only passes through an air conditioner refrigerating, using safer, and more
Energy-conservation.
The further improved scheme of the present invention is：Described cold house top is provided with overfolw hole, and the cold air in cold house passes through to overflow
Portal and be spilled in power distribution cabinet to reduce temperature.
The further improved scheme of the present invention is：Described exhaust column is vertical with air channel, and the connectivity part in exhaust column and air channel
Middle part positioned at air channel
The further improved scheme of the present invention is：Described electric equipment compartment bottom surface fluting, be provided with power distribution cabinet the first pipeline with cold
Room communicates；The refrigerator pipe gone out from cold house bottom passes through the groove of electric equipment compartment bottom surface, the first pipeline bottom in each power distribution cabinet
It is connected with refrigerator pipe.
The further improved scheme of the present invention is：It is additionally provided with cold air casing in each power distribution cabinet, cold air casing is covered with venthole,
Cold air casing is communicated with refrigerator pipe by second pipe, is provided with cold air valve on second pipe；After cold air valve is opened, in cold air cabinet
Cold air is shed by cold air casing and is lowered the temperature for power distribution cabinet.
The further improved scheme of the present invention is：It is provided with temperature sensor in each power distribution cabinet, each power distribution cabinet bottom
Air inlet be provided with fan, be provided with master controller in described cold air cabinet, the temperature sensor signal in each power distribution cabinet
All input to this master controller, the outfan of this master controller controls the described air door of connection, air exhauster, fan and cold air valve；
Temperature t1 in this power distribution cabinet of temperature sensor measurement in each power distribution cabinet simultaneously inputs to master controller, total
Controller is previously stored with four temperature values ta, tb, tc and td, and ta represents standard temperature, and tb represents middle temperature, and tc is high in representing
Temperature, td represents high temperature, and after the temperature t1 input master controller of each power distribution cabinet, it is carried out by master controller with four temperature values
Relatively；
When the quantity that t1 is more than the power distribution cabinet of ta accounts for the half of sum, or t1 accounts for always more than the quantity of the power distribution cabinet of tb
Number 1/3rd when, start air exhauster, close air door, and continue for some time T；
Cold air valve remains turned-off at ordinary times and blocks connecting of refrigerator pipe and cold air casing；When temperature t1 of some power distribution cabinet is more than
During tc, master controller controls the cold air valve in this power distribution cabinet to open, and so that refrigerator pipe is communicated with cold air casing, and cold air passes through cold air casing
On venthole shed, to reduce the temperature in power distribution cabinet, in this power distribution cabinet t1 be less than tb when just closing cold air valve；
When temperature t1 of some power distribution cabinet is more than td, master controller controls the fan continuous firing of this power distribution cabinet simultaneously
Close the cold air valve of this power distribution cabinet, the t1 of fan work to this power distribution cabinet is less than tb.
Brief description
Fig. 1 is the top view of embodiment 1 electric equipment compartment；
Fig. 2 is the schematic diagram on embodiment 1 electric equipment compartment ground；
Fig. 3 is the schematic diagram of the interior layout of embodiment 1 electric equipment compartment；
Fig. 4 is the enlarged drawing of left-half in Fig. 3；
Fig. 5 is the partial schematic diagram of the interior layout of embodiment 2 electric equipment compartment；
Fig. 6 is enlarged drawing at A in Fig. 5；
Fig. 7 is enlarged drawing at B in Fig. 5；
Fig. 8 is enlarged drawing at C in Fig. 5；
In figure：Power distribution cabinet 1, cold air cabinet 2, installing plate 3, air inlet 4, fan 5, temperature sensor 6, cold house 7, cold air casing 8,
Air channel 9, venthole 10, gas outlet 11, radiating tube 12, air door 13, electric equipment compartment 14, exhaust column 15, air exhauster 16, air-conditioning 17, groove
18th, refrigerator pipe 19, the first pipeline 20, second pipe 21, important electrical equipment 22, cold air valve 23, master controller 24, overfolw hole
25.
Specific embodiment
The invention will be further described to combine accompanying drawing below by embodiment.
Embodiment 1：
As shown in Figure 1,2,3, 4, the cooling control method of the high voltage power distributing cabinet described by the present embodiment, it is by power distribution cabinet 1
Be placed in electric equipment compartment 14, and power distribution cabinet 1 be divided into multiple rows of, often row power distribution cabinet 1 be in in-line be distributed, each power distribution cabinet 1 bottom
Be provided with air inlet 4, be typically provided in power distribution cabinet 1 for the installing plate 3 of installing electrical equipment it is characterised in that：In every deploying
The top of electric cabinet 1 all arranges the air channel 9 that two ends are all located at outside electric equipment compartment 14, and the gas outlet 11 at power distribution cabinet 1 top is passed through to dissipate
Heat pipe 12 is communicated with described air channel 9；Air channel 9 two ends set air door 13, and air door 13 belongs to prior art, and simplest air door can be
One electric gate valve, is in open mode when air door 13 is flat, in air channel 9, the flow direction of air is communicated with the flow direction of outdoor air,
Hot-air in each power distribution cabinet 1 overflows in air channel 9 and finally sheds air channel 9 from radiating tube 12；Above power distribution cabinet 1 also
It is provided with the exhaust column 15 communicating with all air channels 9, exhaust column 15 is provided with air exhauster 16, exhaust column 15 end also is located at electric equipment compartment
Outside 14, air door 13 is closed, and air exhauster 16 works, and the hot-air in each power distribution cabinet 1 can be extracted out electric equipment compartment 14 by air exhauster 16
Outward；It is additionally provided with the cold air cabinet 2 equipped with air-conditioning 17 for the inside in each electric equipment compartment 14, in each power distribution cabinet 1, have one
Cold house 7, is used for installing important electrical equipment 22, cold air cabinet 2 is communicated for a long time with the cold house 7 in all power distribution cabinets 1, cold in cold house 7
Air enters in cold house 7 lowers the temperature to the important electrical equipment 22 installed.Wherein：Air exhauster 16 is opened, air door 13 is closed
This operation by being accomplished manually or can pass through Timer Controlling, at interval of regular time (as half an hour) work
Make once, continue for some time (as 5 minutes) every time.In addition, described cold house 7 top is provided with overfolw hole 25, the cold sky in cold house 7
Gas is spilled in power distribution cabinet 1 by overfolw hole 25 and reduces temperature.Described exhaust column 15 is vertical with air channel 9, and exhaust column 15 with
The connectivity part in air channel 9 is located at the middle part in air channel 9, and such convulsion effect is more preferable；
Cold house 7 is as follows with cold air cabinet 2 mode of communicating：Described electric equipment compartment 14 bottom surface fluting 18, is provided with first pipe in power distribution cabinet 1
Road 20 is communicated with cold house 7；The refrigerator pipe 19 gone out from cold house 7 bottom passes through the groove 18 of electric equipment compartment 14 bottom surface, in each power distribution cabinet 1
The first pipeline 20 bottom be all connected with refrigerator pipe 19.It is apparent that power distribution cabinet 1 can arrange leg being propped up, and electric
Between 14 bottom surfaces do not slot, it is also possible that refrigerator pipe 19 directly walks ground.
The cooling control method of the high voltage power distributing cabinet designed by the present invention, its beneficial effect is：
First, at ordinary times, the hot-air that each power distribution cabinet 1 endogenous cause of ill electrical equipment works and heats up, because hot-air rises
Principle can directly overflow in air channel 9 by radiating tube 12, the two ends in air channel 9 are located at the outside of electric equipment compartment 14, in air channel 9
Air communicate with outside, outdoor air is substantially at flow regime, and the hot-air of air channel 9 productive set can shed in time,
This make use of the wind energy of nature to radiate, and energy consumption is little, and the hot-air in addition shedding directly has arrived outdoor, will not make electric equipment compartment 14
Temperature raise, when in electric equipment compartment 14, air themperature is low, its enter power distribution cabinet 1 in cooling effectiveness can improve；Secondly, individually cold
Gas holder 2 is freezed by air-conditioning 17, Dou Youyige cold house 7 in each power distribution cabinet 1, is used for installing important electrical equipment in cold house 7
22, cold air cabinet 2 is communicated for a long time with the cold house 7 in all power distribution cabinets 1, and cold air enters important electric to installed in cold house 7
Element 22 is lowered the temperature, important electrical equipment 22 can be typically controller as PLC or industrial PC, or value ratio is higher
Electrical equipment, so, important electrical equipment 22 is given preferential treatment to, and can be at for a long time, in air conditioner surroundings, being not likely to produce fault, subtracts
The loss of few therefore generation；This method is that in electric equipment compartment, all of important electrical equipment 22 drops using a total air-conditioning 17
Temperature, and air-conditioning 17 only communicated with each power distribution cabinet 1, and not communicating with the air outside power distribution cabinet 1, air-conditioning 17 is without reducing entirely electricity
Between gas, 14 temperature, it is not necessary to produce excessive building energy consumption, can play energy-conserving action；Furthermore, the air door 13 at air channel 9 two ends can
Close, air exhauster 16 can work, and can up take out the hot-air of all power distribution cabinets 1, it is possible to decrease the temperature in power distribution cabinet 1, so
Scheme, there is no the fan of Long-term Vibration in power distribution cabinet 1, it is possible to reduce the impact to electrical equipment, can prevent terminal with electricity
The connective stability of line.
It is an advantage of the current invention that：Power distribution cabinet 1 be divided into multiple rows of, often row power distribution cabinet 1 all correspond to an air channel 9, can dissipate in time
Go out heat, good heat dissipation effect.On the other hand, only freezed by an air-conditioning 17 in the cold house 7 in all power distribution cabinets 1, using more pacifying
Entirely, and more energy-conservation.
It should be noted that：After being provided with air-conditioning 17 refrigeration in cold air cabinet 2, cold air can be shed by refrigerator pipe 19, and this is
Diffusion effect, simultaneously air-conditioning 17 also have certain effect, in order that the cold air in cold air cabinet 2 preferably sheds, Ke Yi
The small fan (power 10W-20W) of one ecto-entad air-breathing is installed additional on cold air cabinet 2, enables air in cold air cabinet 2 preferably
Go out from refrigerator pipe 19, or a small fan (power 10W-20W) can be installed additional on refrigerator pipe 19, will be cold in cold air cabinet 2
Air is outwards taken out.
In this programme, also can make the improvement of waterproof, insect protected, such as air channel 9 two ends at a distance of 50 centimetres of wind passage mouth to 1
The position of rice can arrange scupper, marks a plurality of notch in air channel 9 bottom surface, can prevent rainwater from entering, or air channel 9 is set
It is set to the low pattern in middle high two ends；In insect protected, fly net, fly net and wind passage mouth phase can be designed with two ends in air channel 9
Away from 1 meter to 2 meters；Fly net can adopt wire netting；Insect protected electrical network may also be employed, to enter air channel 9 in insect carry out electricity kill anti-
Worm, the structure of insect protected electrical network is prior art, discloses this insect protected electricity in Chinese patent ZL2009201214549 insect prevention window
Net, in addition also has the structure of insect protected electrical network in existing electric mosquito flap, as long as electric mosquito flap is amplified, the tool of insect protected electrical network
Body structure is prior art, will herein be described in detail, waterproof, insect protected are not the spirit of the present invention, specifically unknown states.
Embodiment 2：
As shown in Fig. 5,6,7,8, the cooling control method of the high voltage power distributing cabinet described by the present embodiment, with embodiment 1 institute
State unlike method：
It is additionally provided with cold air casing 8 in each power distribution cabinet 1, cold air casing 8 is covered with venthole 10, cold air casing 8 passes through second pipe
21 are communicated with refrigerator pipe 19, are provided with cold air valve 23 on second pipe 21；Cold air after cold air valve 23 is opened, in cold air cabinet 2
Shed by cold air casing 8 and lowered the temperature for power distribution cabinet 1.
It is provided with temperature sensor 6 in each power distribution cabinet 1, the air inlet 4 of each power distribution cabinet 1 bottom is provided with fan 5,
It is provided with master controller 24, temperature sensor 6 signal in each power distribution cabinet 1 inputs to this master control in described cold air cabinet 2
In device 24, the outfan of this master controller 24 controls the described air door 13 of connection, air exhauster 16, fan 5 and cold air valve 23；
Temperature sensor 6 in each power distribution cabinet 1 measures temperature t1 in this power distribution cabinet 1 and inputs to master controller
24, it is previously stored with four temperature values ta, tb, tc and td in master controller 24, ta represents standard temperature, and tb represents middle temperature, tc
Represent high temperature, td represents high temperature, after temperature t1 of each power distribution cabinet 1 input master controller 24, master controller 24 by its with
Four temperature values are compared；
When the quantity that t1 is more than the power distribution cabinet 1 of ta accounts for the half of sum, or t1 accounts for more than the quantity of the power distribution cabinet 1 of tb
Sum 1/3rd when, start air exhauster 16, close air door 13, and continue for some time T；
Remain turned-off when cold air valve 23 is flat and block connecting of refrigerator pipe 19 and cold air casing 8；Temperature when some power distribution cabinet 1
When t1 is more than tc, master controller 24 controls the cold air valve 23 in this power distribution cabinet 1 to open, and so that refrigerator pipe 19 is communicated with cold air casing 8, cold
The venthole 10 that air passes through on cold air casing 8 sheds, and to reduce the temperature in power distribution cabinet 1, in this power distribution cabinet 1, t1 is less than tb
When just close cold air valve 23；
When temperature t1 of some power distribution cabinet 1 is more than td, master controller 24 controls the fan 5 of this power distribution cabinet 1 to continue work
Simultaneously close off the cold air valve 23 of this power distribution cabinet 1, fan 5 work this power distribution cabinet 1 t1 be less than tb.
The cooling control method of the high voltage power distributing cabinet described by the present embodiment, also has the advantage that, that is,：Concentrate radiating side
Case+indivedual heat sink conceptions combine.
First, concentrate heat sink conception：
When more power distribution cabinet 1 temperature raises (when the quantity that t1 is more than the power distribution cabinet 1 of ta accounts for the half of sum), or
When power distribution cabinet 1 temperature of some is in middle temperature (when t1 accounts for 1/3rd of sum more than the quantity of the power distribution cabinet 1 of tb),
Start exhausting heat radiation scheme, so that all power distribution cabinets is lowered the temperature together, allow they can normal works, this be concentrate radiating scheme, and
And this scheme for duration T (T can use 1 minute -5 minutes) for a period of time, the heat in power distribution cabinet 1 can be made substantially to be pumped, make electricity
Gas element normal work；And this mode is when running, the air in cold house 7 also can be drawn out of, and is so equal to the sky in cold house 7
Gas is updated, and makes the temperature of cold house 7 lower.
2nd, indivedual heat sink conceptions：
And for single power distribution cabinet 1, temperature is higher, then other power distribution cabinet 1 temperature are not up to less than above-mentioned concentration convulsion
Radiating condition when, have a two ways, one is when temperature t1 of some power distribution cabinet 1 is more than tc, that is, during high temperature, master control
Device 24 controls the cold air valve 23 in this power distribution cabinet 1 to open, and so that refrigerator pipe 19 is communicated with cold air casing 8, and cold air passes through on cold air casing 8
Venthole 10 shed, to reduce the temperature in power distribution cabinet 1, carry out single cooling using air-conditioning 17, this mode still can not expire
Foot, when the temperature in power distribution cabinet 1 is in high temperature, when that is, temperature t1 of power distribution cabinet 1 is more than td, master controller 24 controls this power distribution cabinet
1 fan 5 continuous firing simultaneously closes off the cold air valve 23 of this power distribution cabinet 1, and the work t1 of this power distribution cabinet 1 of fan 5 less than tb is
Only.Using the cooling of fan 5 continuous firing.This indivedual heat sink conception all in power distribution cabinet 1 temperature be less than tb, tb with
Under, wait more power distribution cabinet 1 temperature to rise and reach tb, concentration heat sink conception can be started.
In this programme, in fact fan 5 is not long-term work, and substantially only work a little meeting, therefore can reduce vibration
Impact.
Such concentration heat sink conception adds indivedual heat sink conceptions, both ensure that entirety, and was just in turn ensuring that single power distribution cabinet
Often work, effect is preferable.
Tetra- temperature values of ta, tb, tc and td, those skilled in the art can according to circumstances control oneself setting, such as：Ta is
35 degrees Celsius；Tb is 40 degrees Celsius；Tc is 45 degrees Celsius；Td is 50 degrees Celsius；It is apparent that according to the difference of region, situation
Difference, four temperature values can be adjusted, but must guarantee that demonstrate,proving ta is less than tb less than tc less than td.
Above-described embodiment be only explanation for example to the design of the present invention it will be apparent that, the protection domain of this patent does not limit
In above-described embodiment.
Various equivalent modifications or supplement that those skilled in the art are made to above-described embodiment, all should fall into this patent
Protection domain.
Claims (6)
1. a kind of cooling control method of high voltage power distributing cabinet, power distribution cabinet (1) is placed in electric equipment compartment (14) for it, and power distribution cabinet
(1) it is divided into multiple rows of, often row's power distribution cabinet (1) distribution in in-line, each power distribution cabinet (1) bottom is provided with air inlet (4), and its feature exists
In：Two ends are all set in the top of every row's power distribution cabinet (1) and are all located at electric equipment compartment (14) air channel outward, power distribution cabinet (1) top
Gas outlet (11) communicated with described air channel (9) by radiating tube (12)；Air channel (9) two ends set air door (13), and air door (13) is put down
When be in open mode, air channel (9) interior flow direction of air is communicated with the flow direction of outdoor air, and the heat in each power distribution cabinet (1) is empty
Gas overflows in air channel (9) and finally sheds air channel (9) from radiating tube (12)；It is additionally provided with above power distribution cabinet (1) and own
The exhaust column (15) that air channel (9) communicates, exhaust column (15) is provided with air exhauster (16), and exhaust column (15) end also is located at electric equipment compartment
(14) outward, air door (13) is closed, and air exhauster (16) works, and the hot-air in each power distribution cabinet (1) can be taken out by air exhauster (16)
Go out electric equipment compartment (14) outward；It is additionally provided with the cold air cabinet (2) equipped with air-conditioning (17) for the inside in each electric equipment compartment (14), each
The interior Dou Youyige cold house of power distribution cabinet (1) (7), is used for installing important electrical equipment (22) in cold house (7), cold air cabinet (2) with all
Cold house (7) in power distribution cabinet (1) communicates for a long time, and cold air enters in cold house (7) the important electrical equipment (22) installed is entered
Row cooling.
2. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described cold house (7) top is provided with
Overfolw hole (25), the cold air in cold house (7) is spilled in power distribution cabinet (1) by overfolw hole (25) and reduces temperature.
3. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described exhaust column (15) and wind
Road (9) is vertical, and the connectivity part in exhaust column (15) and air channel (9) is located at the middle part in air channel (9).
4. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described electric equipment compartment (14) bottom surface
Fluting (18), is provided with the first pipeline (20) and is communicated with cold house (7) in power distribution cabinet (1)；The refrigerator pipe gone out from cold house (7) bottom
(19) groove (18), the first pipeline (20) bottom in each power distribution cabinet (1) and the refrigerator pipe of electric equipment compartment (14) bottom surface are passed through
(19) it is connected.
5. the cooling control method of high voltage power distributing cabinet according to claim 4, is characterized in that also setting in each power distribution cabinet (1)
There is cold air casing (8), cold air casing (8) is covered with venthole (10), cold air casing (8) passes through second pipe (21) and refrigerator pipe (19) phase
Logical, cold air valve (23) is provided with second pipe (21)；After cold air valve (23) is opened, the cold air in cold air cabinet (2) passes through cold
Gas hood (8) sheds and is lowered the temperature for power distribution cabinet (1).
6. the cooling control method of high voltage power distributing cabinet according to claim 5, is characterized in that setting in each power distribution cabinet (1)
There is temperature sensor (6), the air inlet (4) of each power distribution cabinet (1) bottom is provided with fan (5), sets in described cold air cabinet (2)
There is master controller (24), temperature sensor (6) signal in each power distribution cabinet (1) inputs to this master controller (24),
The outfan of this master controller (24) controls the described air door of connection (13), air exhauster (16), fan (5) and cold air valve (23)；
Temperature sensor (6) in each power distribution cabinet (1) measures temperature t1 in this power distribution cabinet (1) and inputs to master controller
(24), it is previously stored with four temperature values ta, tb, tc and td in master controller (24), ta represents standard temperature, during tb represents
Temperature, tc represents high temperature, and td represents high temperature, after temperature t1 input master controller (24) of each power distribution cabinet (1), master controller
(24) it is compared with four temperature values；
When the quantity that t1 is more than the power distribution cabinet (1) of ta accounts for the half of sum, or t1 accounts for more than the quantity of the power distribution cabinet (1) of tb
Sum 1/3rd when, start air exhauster (16), close air door (13), and continue for some time T；
Cold air valve (23) remains turned-off at ordinary times and blocks refrigerator pipe (19) and the connecting of cold air casing (8)；When some power distribution cabinet (1)
Temperature t1 be more than tc when, master controller (24) controls the cold air valve (23) in this power distribution cabinet (1) to open, make refrigerator pipe (19) with cold
Gas hood (8) communicates, and the venthole (10) that cold air passes through on cold air casing (8) sheds, to reduce the temperature in power distribution cabinet (1), directly
It is less than during tb to the interior t1 of this power distribution cabinet (1) and just close cold air valve (23)；
When temperature t1 of some power distribution cabinet (1) is more than td, master controller (24) controls the fan (5) of this power distribution cabinet (1) to hold
Continuous work simultaneously closes off the cold air valve (23) of this power distribution cabinet (1), fan (5) work this power distribution cabinet (1) t1 be less than tb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510201627.8A CN104795741B (en) | 2015-04-24 | 2015-04-24 | A kind of cooling control method of high voltage power distributing cabinet |
Applications Claiming Priority (1)
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| CN105807806B (en) * | 2016-04-21 | 2017-12-12 | 大唐观音岩水电开发有限公司 | The temperature monitoring method and electric power cabinet of a kind of electric power cabinet |
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| CN105281226A (en) * | 2015-10-28 | 2016-01-27 | 国家电网公司 | Electric switch cabinet with heat dissipation apparatus |
| CN105929871B (en) * | 2016-04-21 | 2017-12-01 | 烟台宝骏软件技术有限公司 | A kind of monitoring system and method for power distribution cabinet |
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| CN108879370A (en) * | 2018-07-12 | 2018-11-23 | 江苏雄海智能电气有限公司 | It is a kind of with dust-proof, rainproof function split type high and low voltage switchgear |
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| SE467945B (en) * | 1991-03-01 | 1992-10-05 | Asea Brown Boveri | SETTING FOR TREATMENT OF AIR AT A CLOSED AIR CONDITIONING SYSTEM INCLUDING AT LEAST A SERIES OF LOCATED STEEL ENVIRONMENTS LOCATED ON THE OTHER |
| CN101728776A (en) * | 2008-10-16 | 2010-06-09 | 北京有色金属研究总院 | Method for cooling workshop electric cabinet |
| CN101877957A (en) * | 2009-12-02 | 2010-11-03 | 上海电力设计院有限公司 | Point-to-point heat radiating method and device of high-capacity heat radiating cabinet type equipment |
| CN101714445A (en) * | 2009-12-08 | 2010-05-26 | 国网运行有限公司晋东南特高压管理处 | Method for efficiently reducing temperature of indoor transformer |
| CN104181950B (en) * | 2014-09-18 | 2017-11-21 | 国家电网公司 | Electric power outdoor cabinet temperature control system and its control method |
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| CN105807806B (en) * | 2016-04-21 | 2017-12-12 | 大唐观音岩水电开发有限公司 | The temperature monitoring method and electric power cabinet of a kind of electric power cabinet |
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