CN104795743B - Heat radiation system of electrical cabinets in power distribution room - Google Patents
Heat radiation system of electrical cabinets in power distribution room Download PDFInfo
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- CN104795743B CN104795743B CN201510230789.4A CN201510230789A CN104795743B CN 104795743 B CN104795743 B CN 104795743B CN 201510230789 A CN201510230789 A CN 201510230789A CN 104795743 B CN104795743 B CN 104795743B
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- regulator cubicle
- power distribution
- air
- distribution station
- temperature
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- 230000005855 radiation Effects 0.000 title abstract description 5
- 238000004378 air conditioning Methods 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract 2
- 206010022000 influenza Diseases 0.000 abstract 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 19
- 238000005265 energy consumption Methods 0.000 description 6
- 230000007774 longterm Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 208000001203 Smallpox Diseases 0.000 description 1
- 241000870995 Variola Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a heat radiation system of electrical cabinets in a power distribution room. The heat radiation system comprises the power distribution room and the plurality of electrical cabinets in the power distribution room, wherein a rainproof roof is arranged on the top of the power distribution room; keels are arranged at the upper part of the power distribution room; suspended ceiling plates are connected below the keels; the power distribution room is divided into an upper space and a lower space by the suspended ceiling plates; an air-conditioning chamber is further formed in each electrical cabinet; the air-conditioning chambers are communicated with a connecting tube; an exhaust tube is correspondingly arranged above each electrical cabinet; the exhaust tubes penetrate through the suspended ceiling plates above the electrical cabinets so that the top parts of the exhaust tubes are positioned inside the upper space of the power distribution room; the bottom parts of the exhaust tubes are communicated with upper openings of corresponding electrical cabinets; a fan is further arranged on the ground of the power distribution room; the outlet tube of the fan is communicated with a blowing tube; the blowing tube is communicated with all air flues. As a plurality of heat radiation schemes are simultaneously implemented, the heat radiation effect is good, and normal operation of electrical elements inside the electrical cabinets of the power distribution room can be effectively ensured.
Description
Technical field
The present invention relates to electric field, especially a kind of cooling system of power distribution station regulator cubicle.
Background technology
Regulator cubicle is conventional electric product, and regulator cubicle is to be processed for protecting components and parts normal by steel matter
The cupboard of work.Regulator cubicle making material is generally divided into hot rolled steel plate and two kinds of cold-rolled steel sheet.Cold-rolled steel sheet phase
To hot rolled steel plate more made of soft, it is more suitable for the making of regulator cubicle.Regulator cubicle is of many uses to be mainly used in chemical industry
Industry, environmental protection industry (epi), power system, metallurgical system, industry, nuclear power industry, security against fire monitors, and hands over
Current industry etc..
In use, its internal electrical equipment can generate heat regulator cubicle, so that cabinet body temperature is raised, temperature
When too high, easily the normal of its internal electrical equipment of impact uses and service life, for this reason, on regulator cubicle all
It is provided with radiator structure, setting vent or ventilation shutter usually on regulator cubicle, some regulator cubicles can be
Vent arranges fan, so that regulator cubicle interior air-flow is changed using fan, improves radiating efficiency.
Existing regulator cubicle is referring to following document：" a kind of thermal diffusivity is good for Chinese patent application 201310149454.0
Regulator cubicle ", this regulator cubicle is additionally arranged multiple radiators to reach radiating effect.
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 delivered in its internal electrical equipment by being connected between cabinet, and various electrical equipments are chronically at vibration
During state, its internal element device is easily impaired, have impact on service life, on the other hand, various connecting lines
Also because being disengaged by long-term vibration and contact between, making whole system produce fault, therefore adopting interior
The scheme existing problems of portion's fan；
2nd, regulator cubicle is typically disposed in electrical control interior, if electric control room does not set air-conditioning, whole electric-controlled
The temperature of room processed can be very high, and especially in summer, because external air temperature is high, the fan in regulator cubicle is not
Obtain not long-term work；If in addition setting air-conditioning in electric control room, the most of formation of the cold air that air-conditioning produces
It is building energy consumption, that is, the indoor air of whole electrical control is required for lowering the temperature, and such 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
Go wrong not in time, 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.
Our company once developed a kind of regulator cubicle and its cooling control method (application number 2015102008568), profit
To radiate in the air channel positioned at power distribution station top, but air channel making is numerous tired, volume is little, and convection effects are poor, institute
Further improvement has been made with our company again.
Content of the invention
The invention aims to a kind of distribution of the good heat dissipation effect solving the deficiency of above-mentioned technology and designing
Between regulator cubicle cooling system.
A kind of cooling system of the power distribution station regulator cubicle designed by the present invention, including power distribution station with positioned at power distribution station
Interior some regulator cubicles, is characterized in that described power distribution station top has rain-proof top, described power distribution station top is provided with
Os Draconis, are connected with ceiling plate below Os Draconis, power distribution station is divided into upper and lower two by all ceiling plates
Individual space, the position four sides being located at ceiling plate top in power distribution station all has vent window, in vent window
It is provided with fly net, a plurality of parallel groove is had on the ground of described power distribution station, is designed with each bar groove
Air channel；It is provided with an air-conditioning cabinet at the upper center position of each bar groove, in described air-conditioning cabinet, be provided with air-conditioning,
Be provided with in-line the regulator cubicle of arrangement in the both sides of air-conditioning cabinet, the width of described groove be respectively smaller than air-conditioning cabinet and
Regulator cubicle；It is provided with a refrigerator pipe in described air channel, described air-conditioning cabinet bottom is communicated with refrigerator pipe；Institute
The regulator cubicle top stated has upper shed, bottom surface has under shed, side has air inlet, in regulator cubicle
It is additionally provided with an air conditioning chamber, described air conditioning chamber is communicated with a connecting tube；Right above each regulator cubicle
Should there is an exhaustor, this exhaustor passes through the ceiling plate on its top that the top of exhaustor is located at
In the space on described power distribution station upper strata, the bottom of this exhaustor is communicated with the upper shed of corresponding regulator cubicle；Institute
On the air channel stated, position corresponding with each regulator cubicle is provided with discharge pipe, described discharge pipe and corresponding regulator cubicle
Under shed is communicated by deformable tube, and described refrigerator pipe has one outlet pipe at each discharge pipe,
Described connecting tube is connected with the outlet of corresponding refrigerator pipe；It is additionally provided with bypass pipe in described connecting tube,
Described bypass pipe is provided with air outlet valve；It is additionally provided with one in described regulator cubicle to be evacuated inside by air inlet
Fan；One blower fan is additionally provided with the ground of power distribution station, the outlet of described blower fan is communicated with blower,
Described blower is all connected with all of air channel.
The cooling system of the power distribution station regulator cubicle designed by the present invention, its beneficial effect is：First, at ordinary times
The principle being risen due to hot-air, the hot-air in regulator cubicle directly can enter power distribution station upper strata by exhaustor
Space in, the space on power distribution station upper strata four sides all has vent window, and is a spacious entirety, convection current
Effect is good, and hot-air directly can shed outside power distribution station with the flowing of air, and this make use of the wind energy of nature
To radiate, energy consumption is little, the hot-air in addition shedding directly has arrived outdoor, for the power distribution station placing regulator cubicle
For lower floor, temperature be difficult raise, air themperature keep relatively low when, its enter regulator cubicle in cooling effectiveness just
Good；Fly net can play insect protected effect simultaneously, and rain-proof effect can be played in rain-proof top；Second, blower fan work
When, the under shed through blower, air channel, discharge pipe, deformable tube, regulator cubicle bottom for the wind enters each
Regulator cubicle, the hot-air accumulating because electrical equipment generates heat is blown upwards, directly through on power distribution station in regulator cubicle
The space of layer sheds to outside power distribution station, and same heat is all blown to power distribution station upper strata and outdoor, electric for placing
For the power distribution station lower floor of gas holder, temperature is difficult to raise；Meanwhile, be finally absorbed in can for the vibration in air channel
At deformation tube, prevent the vibration effect regulator cubicle in air channel；3rd, air-conditioning cabinet has cold air because of air conditioner refrigerating,
Cold air is transported to air-conditioning interior by the connecting tube in refrigerator pipe and each regulator cubicle, and connecting tube is long-term to be ensured to lead to
Freely, air conditioning chamber is chronically at low temperature, can be used for installing controller or expensive electrical element, cold air enters
Air-conditioning interior lowers the temperature to the electrical equipment installed, and so, the controller as control core obtains
Preferential treatment, can be in air conditioner surroundings for a long time, is not likely to produce fault, reduces the loss of therefore generation；Due to sky
Adjust cabinet only to communicate with each regulator cubicle, and do not communicate with the air outside regulator cubicle, air-conditioning is entirely joined without reduction
Temperature between electricity can play energy-conserving action it is not necessary to produce excessive building energy consumption；When giving vent to anger in regulator cubicle
When valve is opened, cold air enters in regulator cubicle phase by bypass pipe, it is possible to decrease the temperature of regulator cubicle；4th,
Traditional fan yet suffers from, and fan can start in case of need, the air outside regulator cubicle is sucked,
Hot-air in regulator cubicle is blown out upwards to lower the temperature；The combination of aforementioned four cooling scheme, Ke Yiyou
Effect guarantees the normal work of electrical equipment in power distribution station regulator cubicle.
Further improve as such scheme：Described exhaustor top is fixed on described Os Draconis, in row
Be provided with one section of telescopic tube in the middle part of trachea, be provided with ring flange in the bottom of exhaustor, described ring flange with electrically
Cabinet is connected.Telescopic tube can be plastics pleated tube, and such exhaustor can stretch, in installation process
It is easy to realize being connected with regulator cubicle.
Further improve as such scheme：It is designed with temperature sensor in each regulator cubicle, at it
In be provided with master controller, in this regulator cubicle of temperature sensor measurement in each regulator cubicle in an air-conditioning cabinet
Temperature tt and input to master controller, described master controller controls in described blower fan and each regulator cubicle
Air outlet valve and fan work and control method is as follows：
I. described master controller all controls blower fan work once and duration T at set intervals；
Ii. it is previously stored with two temperature value ta and tb in master controller, ta represents lower bound position temperature, tb
Represent high spacing temperature, ta is less than tb；
Iii., when temperature tt having half regulator cubicle reaches ta, master controller controls blower fan work, until
The quantity that temperature tt reaches the regulator cubicle of ta is less than 1/5th；
Iv., when there being 1/3rd temperature tt of regulator cubicle to reach tb, master controller controls blower fan work,
Until the quantity that temperature tt reaches the regulator cubicle of ta is less than 1/5th；
V., when the tt in certain regulator cubicle reaches ta, master controller controls giving vent to anger in corresponding regulator cubicle
Valve is opened；
Vi., when the tt in certain regulator cubicle reaches tb, master controller controls the fan of corresponding regulator cubicle to hold
Continuous work.
Further improve as such scheme：During described blower fan work, air outlet valve cuts out, and described fan is not
Work.
The cooling system of the power distribution station regulator cubicle designed by the present invention, is developed simultaneously by multiple heat sink conceptions, radiating effect
Really good, can effectively guarantee the normal work of electrical equipment in power distribution station regulator cubicle.
Brief description
Fig. 1 is the structural representation of embodiment 1, and the non-installation door of the one of regulator cubicle of in figure is it is seen that inside
Structure；
Fig. 2 is the structural representation of embodiment 1 regulator cubicle；
Fig. 3 is the top view of embodiment 1 power distribution station lower floor；
Fig. 4 is the structural representation of embodiment 2；
Fig. 5 is the enlarged drawing at A in Fig. 4；
Fig. 6 is the structural representation of embodiment 3；
In figure：Power distribution station 1, regulator cubicle 2, rain-proof top 3, Os Draconis 4, ceiling plate 5, vent window 6,
Fly net 7, groove 8, air channel 9, air-conditioning cabinet 10, air-conditioning 11, refrigerator pipe 12, upper shed 13, under shed
14th, air inlet 15, air conditioning chamber 16, connecting tube 17, exhaustor 18, discharge pipe 19, deformable tube 20,
Outlet 21, bypass pipe 22, air outlet valve 23, fan 24, blower fan 25, blower 26, ring flange 27,
Telescopic tube 28, temperature sensor 29, master controller 30.
Specific embodiment
The invention will be further described to combine accompanying drawing below by embodiment.
Embodiment 1：
As shown in Figure 1, 2, 3, the cooling system of the power distribution station regulator cubicle described by the present embodiment, including joining
1 and some regulator cubicles 2 of being located in power distribution station 1 between electricity, described power distribution station 1 top has rain-proof top 3,
Described power distribution station 1 top is provided with Os Draconis 4, is connected with ceiling plate 5, all variolas below Os Draconis 4
Power distribution station 1 is divided into upper and lower two spaces by plate ceiling board 5, is located on ceiling plate 5 in power distribution station 1
The position four sides in portion all has vent window 6, is provided with fly net 7, in described power distribution station 1 on vent window 6
Ground on have a plurality of parallel groove 8, be designed with air channel 9 in each bar groove 8；In each bar groove 8
It is provided with an air-conditioning cabinet 10 at upper center position, in described air-conditioning cabinet 10, be provided with air-conditioning 11, in air-conditioning cabinet
10 both sides are provided with the regulator cubicle 2 of the arrangement in in-line, and the width of described groove 8 is respectively smaller than air-conditioning cabinet 10
With regulator cubicle 2；Be provided with a refrigerator pipe 12 in described air channel 9, described air-conditioning cabinet 10 bottom with cold
Trachea 12 communicates；Described regulator cubicle 2 top has upper shed 13, bottom surface has under shed 14, side
There is air inlet 15, be additionally provided with an air conditioning chamber 16, described air conditioning chamber 16 and a company in regulator cubicle 2
Adapter 17 communicates；To should have an exhaustor 18 above each regulator cubicle 2, this exhaustor 18
Ceiling plate 5 through its top makes the top of exhaustor 18 be located at described power distribution station 1 upper strata
In space, the bottom of this exhaustor 18 is communicated with the upper shed 13 of corresponding regulator cubicle 2；In described air channel
It is provided with discharge pipe 19, described discharge pipe 19 and corresponding regulator cubicle 2 with each corresponding position of regulator cubicle 2 on 9
Under shed 14 communicated by deformable tube 20, deformable tube 20 can be rubber hose or plastics pleat
It might even be possible to be the airduct that cloth does, described refrigerator pipe 12 has at each discharge pipe 19 wrinkle pipe
One outlet pipe 21, described connecting tube 17 is connected with the outlet 21 of corresponding refrigerator pipe 12；Described
Connecting tube 17 on be additionally provided with bypass pipe 22, described bypass pipe 22 is provided with air outlet valve 23；Described electric
It is additionally provided with a fan 24 may only being evacuated inside by air inlet 15 in cabinet 2；Ground in power distribution station 1
On be additionally provided with a blower fan 25, the outlet of described blower fan 25 is communicated with blower 26, described blower 26
All connect with all of air channel 9.
The cooling system of the power distribution station regulator cubicle described by the present embodiment, its beneficial effect is：First, put down
When due to hot-air rise principle, the hot-air in regulator cubicle 2 can directly by exhaustor 18 enter distribution
Between 1 upper strata space in, the space on power distribution station 1 upper strata four sides all has vent window 6, and is a spaciousness
Entirety, convection effects are good, and hot-air directly can shed outside power distribution station 1 with the flowing of air, this utilization
Radiating, energy consumption is little, the hot-air in addition shedding directly has arrived outdoor, for placement for the wind energy of nature
For the power distribution station lower floor of regulator cubicle 2, temperature is difficult to raise, and when air themperature keeps relatively low, it enters electricity
In gas holder 2, cooling effectiveness is all right；Fly net 7 can play insect protected effect simultaneously, and rain-proof top 3 can be played anti-
Rain acts on；Second, blower fan 25 work when, wind through blower 26, air channel 9, discharge pipe 19, can deformation
Pipe 20, the under shed 14 of regulator cubicle 2 bottom enter each regulator cubicle 2, by regulator cubicle 2 because electrically unit
The hot-air that part generates heat and accumulates blows upwards, and directly the space through power distribution station 1 upper strata sheds to outside power distribution station 1,
Same heat is all blown to power distribution station 1 upper strata and outdoor, for placing the power distribution station lower floor of regulator cubicle 2,
Temperature is difficult to raise；Meanwhile, the vibration in air channel 9 has finally been absorbed at deformable tube 20, prevents air channel
9 vibration effect regulator cubicle 2；3rd, air-conditioning cabinet 10 has cold air because air-conditioning 11 freezes, and cold air passes through
Connecting tube 17 in refrigerator pipe 12 and each regulator cubicle 2 is transported in air conditioning chamber 16, and connecting tube 17 is long-term
Ensure unobstructed, air conditioning chamber 16 is chronically at low temperature, can be used for controller or expensive electrical element are installed,
Cold air enters in air conditioning chamber 16 lowers the temperature to the electrical equipment installed, so, as the control of control core
Device (it is PLC that in figure is illustrated, also known as Programmable Logic Controller) processed is given preferential treatment to, and can be at air-conditioning ring for a long time
In border, it is not likely to produce fault, reduce the loss of therefore generation；Due to air-conditioning cabinet 10 only with each regulator cubicle 2
Communicate, and do not communicate with the air outside regulator cubicle 2, air-conditioning without reduce whole power distribution station 1 temperature, no
Need to produce excessive building energy consumption and can play energy-conserving action；When the air outlet valve 23 in regulator cubicle 2 is opened,
Cold air enters in regulator cubicle 2 phase by bypass pipe 22, it is possible to decrease the temperature of regulator cubicle 2；4th, tradition
Fan 24 yet suffer from, fan 24 can start in case of need, by the air outside regulator cubicle 2
Suck, blow out the hot-air in regulator cubicle 2 to lower the temperature upwards；The combination of aforementioned four cooling scheme,
The normal work of electrical equipment in power distribution station regulator cubicle can effectively be guaranteed.
It should be noted that：After being provided with air-conditioning 11 refrigeration in air-conditioning cabinet 10, cold air can pass through refrigerator pipe 12
Shed, this is the effect of diffusion, air-conditioning 11 also has certain effect simultaneously, in order that in air-conditioning cabinet 10
Cold air preferably sheds, and can install the small fan of an ecto-entad air-breathing additional, make on air-conditioning cabinet 10
Air-conditioning cabinet 10 has malleation, and its interior air can preferably be gone out from refrigerator pipe 12, or can be in refrigerator pipe
One small fan (power 10W-20W) is installed additional on 12 entrance, by the cold air in air-conditioning cabinet 10 to
Take out outward.In addition the routine techniquess being installed as building field of Os Draconis 4 and ceiling plate 5, specifically unknown
State, but if one layer of heat preservation layer is set on ceiling plate 5, then can preferably will join again
Two-layer space-adiabatic up and down in 1 between electricity, because upper strata space temperature is higher than lower layer space, heat-insulated prevents down
Sheaf space temperature raises.In addition, extendable temple members all can be arranged on air channel 9 and blower 26 being shaken with absorbing
Dynamic.
Embodiment 2：
As shown in Figure 4,5, the cooling system of the power distribution station regulator cubicle described by the present embodiment, with embodiment 1
Except for the difference that：Described exhaustor 18 top is fixed on described Os Draconis 4, is provided with the middle part of exhaustor 18
One section of telescopic tube 28, is provided with ring flange 27, described ring flange 27 and regulator cubicle in the bottom of exhaustor 18
2 are connected.Telescopic tube 28 can be plastics pleated tube, and such exhaustor 18 can stretch, and installing
During be easy to regulator cubicle 2 realize be connected.
Embodiment 3：
As shown in fig. 6, the cooling system of the power distribution station regulator cubicle described by the present embodiment, in embodiment 1 base
On plinth, in each regulator cubicle 2, it is designed with temperature sensor 29, set in a wherein air-conditioning cabinet 10
There is master controller 30, the temperature sensor 29 in each regulator cubicle 2 measures the temperature in this regulator cubicle 2
Tt simultaneously inputs to master controller 30, and described master controller 30 controls described blower fan 25 and each regulator cubicle
Air outlet valve 23 in 2 and fan 24 works and control method is as follows：
I. described master controller 30 all controls blower fan 25 to work once the simultaneously persistent period at set intervals
T；T typically can elect as 3 to 5 minutes, and interval time can elect 1-2 hour as；This
The effect of one step is blower fan 25 energy timing working, removes the heat in all regulator cubicles 2 in time；
Ii. it is previously stored with two temperature value ta and tb in master controller 30, ta represents lower bound position temperature,
Tb represents high spacing temperature, and ta is less than tb；Ta is chosen as 45 degrees Celsius, and tb is chosen as 55 and takes the photograph
Family name's degree；Certainly those skilled in the art can change the value of ta and tb according to practical situation,
Ta can be selected in certain value of 40-45 degree Celsius of centre, and tb is chosen as certain of 50-60 degree Celsius of centre
Value；
Iii., when temperature tt having half regulator cubicle 2 reaches ta, master controller 30 controls blower fan 25 work
Make, until the quantity that temperature tt reaches the regulator cubicle 2 of ta is less than 1/5th；This step
Effect is that explanation has the temperature of more regulator cubicle 2 higher, relies on heat loss through convection and blower fan 25 fixed
When radiating can not lower the temperature in time, so blower fan 25 works, all regulator cubicles 2 are lowered the temperature,
Temperature until only having less regulator cubicle 2 (less than total 1/5th) is higher (to be in
ta)；
Iv., when there being 1/3rd temperature tt of regulator cubicle 2 to reach tb, master controller 30 controls blower fan
25 work, until the quantity that temperature tt reaches the regulator cubicle 2 of ta is less than 1/5th；This
The effect of step is that explanation has the temperature of suitable share (sum 1/3rd) regulator cubicle 2 very high,
Must radiate at once, so blower fan 25 works, all regulator cubicles 2 be lowered the temperature, until
The temperature of only less regulator cubicle 2 (less than total 1/5th) is in ta；
V., when the tt in certain regulator cubicle 2 reaches ta, master controller 30 controls in corresponding regulator cubicle 2
Air outlet valve 23 open；This step is the supplement to several steps above, because blower fan 25 radiating is
Collective radiates it is impossible to take into account regulator cubicle 2 out of the ordinary, and regulator cubicle 2 can only be relied on to tackle problems on one's own,
It is likely to be this regulator cubicle 2 caloric value especially greatly it is therefore necessary to there be corresponding solution to arrange
Apply, after sum is controlled by iii and iv two step above (less than five/once) regardless of
, being necessary for relying on regulator cubicle 2 to tackle problems on one's own, so opening air outlet valve 23, utilizing
From bypass pipe 22, cold air out is lowered the temperature to regulator cubicle 2；
Vi., when the tt in certain regulator cubicle 2 reaches tb, master controller 30 controls corresponding regulator cubicle 2
Fan 24 continuous firing.The effect of this step also for allowing regulator cubicle 2 to tackle problems on one's own,
But different from v step, this step tb temperature is higher, regulator cubicle 2 can only rely on fan 24 to continue
Work carrys out solve problem, certainly, due to the cooperation of such scheme, in fact this walk out of existing
Probability very little, the time of therefore fan 24 continuous firing is less, can reduce the impact of its vibration.
Further improve as such scheme：During described blower fan 25 work, air outlet valve 23 cuts out, described
Fan 24 does not work, and during blower fan 25 work, regulator cubicle 2 interior air-flow changes greatly, bypass pipe 22 and fan
24 working effect is just inconspicuous, not as turning off them.Certainly must work also possible,
So control more relatively easy.
The cooling system of the power distribution station regulator cubicle described by the present embodiment, rising radiating with hot-air at ordinary times is
Main, supplemented by above-mentioned automatic control schemes, good heat dissipation effect, and energy-conservation.
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
It is not limited to 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 specially
The protection domain of profit.
Claims (4)
1. a kind of cooling system of power distribution station regulator cubicle, including power distribution station (1) and be located at power distribution station (1) if in
Dry regulator cubicle (2), is characterized in that described power distribution station (1) top has rain-proof top (3), described distribution
Between (1) top be provided with Os Draconis (4), be connected with ceiling plate (5) below Os Draconis (4), own
Power distribution station (1) is divided into upper and lower two spaces by ceiling plate (5), is located in power distribution station (1)
The position four sides on ceiling plate (5) top all has vent window (6), sets on vent window (6)
There is fly net (7), a plurality of parallel groove (8) is had on the ground of described power distribution station (1), each
It is designed with air channel (9) in bar groove (8)；It is provided with one at the upper center position of each bar groove (8)
Air-conditioning cabinet (10), is provided with air-conditioning (11), in the both sides of air-conditioning cabinet (10) in described air-conditioning cabinet (10)
It is provided with the regulator cubicle (2) of the arrangement in in-line, the width of described groove (8) is respectively smaller than air-conditioning cabinet (10)
With regulator cubicle (2)；It is provided with a refrigerator pipe (12), described air-conditioning cabinet (10) in described air channel (9)
Bottom is communicated with refrigerator pipe (12)；Described regulator cubicle (2) top has upper shed (13), bottom surface
There is under shed (14), side has air inlet (15), is additionally provided with a sky in regulator cubicle (2)
Adjust room (16), described air conditioning chamber (16) is communicated with a connecting tube (17)；In each regulator cubicle
(2) to there being an exhaustor (18), this exhaustor (18) passes through the ceiling on its top for top
Ceiling board (5) makes the top of exhaustor (18) be located in the space on described power distribution station (1) upper strata,
The bottom of this exhaustor (18) is communicated with the upper shed (13) of corresponding regulator cubicle (2)；Described
The upper position corresponding with each regulator cubicle (2) in air channel (9) is provided with discharge pipe (19), described discharge pipe
(19) communicated by deformable tube (20) with the under shed (14) of corresponding regulator cubicle (2), described
Refrigerator pipe (12) at each discharge pipe (19) place, there is one outlet pipe (21), described
Connecting tube (17) is connected with the outlet (21) of corresponding refrigerator pipe (12)；Described connecting tube (17)
On be additionally provided with bypass pipe (22), described bypass pipe (22) is provided with air outlet valve (23)；Described regulator cubicle
(2) it is additionally provided with a fan (24) may only being evacuated inside by air inlet (15) in；In power distribution station
(1) blower fan (25), the outlet of described blower fan (25) and blower (26) are additionally provided with ground
Communicate, described blower (26) is all connected with all of air channel (9).
2. the cooling system of power distribution station regulator cubicle according to claim 1, is characterized in that described exhaustor
(18) top is fixed on described Os Draconis (4), be provided with the middle part of exhaustor (18) one section scalable
Pipe (28), is provided with ring flange (27), described ring flange (27) and electricity in the bottom of exhaustor (18)
Gas holder (2) is connected.
3. the cooling system of power distribution station regulator cubicle according to claim 1 and 2, is characterized in that in each electricity
It is designed with temperature sensor (29) in gas holder (2), be provided with master control in an air-conditioning cabinet (10) wherein
Device (30) processed, the temperature sensor (29) in each regulator cubicle (2) measures this regulator cubicle (2)
Interior temperature tt simultaneously inputs to master controller (30), and described master controller (30) controls described blower fan (25)
And the air outlet valve (23) in each regulator cubicle (2) and fan (24) work and control method such as
Under：
I. described master controller (30) all controls blower fan (25) work at set intervals once and continues
Time T；
Ii. it is previously stored with two temperature value ta and tb in master controller (30), ta represents lower bound position
Temperature, tb represents high spacing temperature, and ta is less than tb；
Iii., when temperature tt having half regulator cubicle (2) reaches ta, master controller (30) controls blower fan
(25) work, until the quantity that temperature tt reaches the regulator cubicle (2) of ta is less than 1/5th；
Iv., when there being 1/3rd temperature tt of regulator cubicle (2) to reach tb, master controller (30) is controlled
Blower fan (25) work processed, until the quantity that temperature tt reaches the regulator cubicle (2) of ta is less than five
/ mono-；
V., when the tt in certain regulator cubicle (2) reaches ta, master controller (30) controls corresponding electric
Air outlet valve (23) in cabinet (2) is opened；
Vi., when the tt in certain regulator cubicle (2) reaches tb, master controller (30) controls corresponding electric
Fan (24) continuous firing of cabinet (2).
4. the cooling system of power distribution station regulator cubicle according to claim 3, is characterized in that described blower fan (25)
During work, air outlet valve (23) cuts out, and described fan (24) does not work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510230789.4A CN104795743B (en) | 2015-05-07 | 2015-05-07 | Heat radiation system of electrical cabinets in power distribution room |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510230789.4A CN104795743B (en) | 2015-05-07 | 2015-05-07 | Heat radiation system of electrical cabinets in power distribution room |
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| CN104795743B true CN104795743B (en) | 2017-02-08 |
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| CN201510230789.4A Expired - Fee Related CN104795743B (en) | 2015-05-07 | 2015-05-07 | Heat radiation system of electrical cabinets in power distribution room |
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|---|---|---|---|---|
| CN111628436A (en) * | 2020-07-28 | 2020-09-04 | 南京网安视智能系统有限公司 | Temperature measuring device for high-voltage switch cabinet |
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