CN106848890B - A kind of temperature control method of electric power cabinet - Google Patents
A kind of temperature control method of electric power cabinet Download PDFInfo
- Publication number
- CN106848890B CN106848890B CN201710079956.9A CN201710079956A CN106848890B CN 106848890 B CN106848890 B CN 106848890B CN 201710079956 A CN201710079956 A CN 201710079956A CN 106848890 B CN106848890 B CN 106848890B
- Authority
- CN
- China
- Prior art keywords
- electric power
- cabinet
- temperature
- power cabinet
- blowing fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of temperature control method of electric power cabinet, the electric power cabinet in power distribution station is divided into several groups by it, and every group of electric power cabinet is arranged side by side N number of, and heat-insulated furred ceiling is arranged on power distribution station upper layer, and vent window is arranged above furred ceiling；One air duct is set above every group of electric power cabinet, is connected between air duct and corresponding electric power cabinet top by air hose, sets ventilation valve on air hose to control the on-off of air hose；The exhaust pipe that can be vented to furred ceiling top is set at the top of air duct, exhaust valve is set to control the on-off of exhaust pipe on exhaust pipe；Temp probe is set in electric power cabinet to measure temperature, setting blowing fan blows inside, extraction fan exhausting outward is arranged.The present invention usually uses nature overflow pattern, do not use additional energy, when some electric power in-cabinet temperature is greater than TH, it radiates using blowing fan, furthermore, when some electric power cabinet temperature is lower, it is compensated using the heat of same group of periphery electric power cabinet, therefore there is good temperature-compensating and heat dissipation effect.
Description
Technical field
The present invention relates to a kind of electric power cabinet, especially a kind of temperature control method of electric power cabinet.
Background technique
Electric power cabinet includes power distribution cabinet, high-low pressure electrical cabinet and switchgear etc., no matter it is any all exist high temperature heat dissipation with it is low
The demand of temperature heating, high temperature heat dissipation is readily appreciated that, in order to enable the more stable work of electric elements inside, electric power cabinet internal temperature
It is not easy excessively high, the purpose of low-temperature heat is that air in electric power cabinet is made to be in reasonable temperature, and major reason is once air themperature
Low, full have the less able of moisture content, in electrical component surface condensation easy to form, so as to cause short circuit phenomenon to electrical system
The strike of system is very large, no matter radiates and low-temperature heat, should reduce energy consumption to the greatest extent, therefore our companies devise this one kind
The temperature control method of electric power cabinet with good temperature-compensating heat dissipation effect.
Summary of the invention
The one kind designed the purpose of the present invention is to solve the deficiency of above-mentioned technology radiates with good temperature-compensating
The temperature control method of the electric power cabinet of effect.
A kind of temperature control method of electric power cabinet designed by the present invention, the electric power cabinet in power distribution station is divided into several groups by it, often
Group electric power cabinet is arranged side by side N number of, and heat-insulated furred ceiling is arranged on power distribution station upper layer, and vent window is arranged above furred ceiling；?
One air duct is set above every group of electric power cabinet, is connected between air duct and corresponding electric power cabinet top by air hose, sets ventilation valve on air hose
To control the on-off of air hose；The exhaust pipe that can be vented to furred ceiling top is set at the top of air duct, exhaust valve is set to control on exhaust pipe
The on-off of exhaust pipe processed；Temp probe is set in electric power cabinet to measure temperature, setting blowing fan blows inside, extraction fan is arranged
Exhausting outward；The temperature control method of each group of electric power cabinet is as follows:
Usually use nature overflow pattern: air hose and exhaust pipe are unimpeded, and blowing fan and extraction fan stop, the heat in electric power cabinet
Air rises through air hose naturally, air duct, exhaust pipe drain into above furred ceiling, finally sheds from vent window；
When some electric power in-cabinet temperature is greater than TH, the blowing fan starting of the cabinet, in cabinet hot-air be blown to air duct and from
Exhaust pipe discharge, blowing fan stops when the in-cabinet temperature is less than TS, and returns to natural overflow pattern usually；
When some electric power cabinet temperature is lower than TL, which is low-temperature cabinet, exhaust valve closure；
The extraction fan of low-temperature cabinet works, and blowing fan stops, and corresponding ventilation valve is opened, and low-temperature cabinet is by air duct exhausting inside；
It is opened with the most fast corresponding ventilation valve of electric power cabinet of the highest electric power cabinet of temperature in the non-cryogenic cabinet of group and heating,
Extraction fan and blowing fan stop, their internal hot-airs carry out temperature-compensating to low-temperature cabinet by air duct；
With electric power cabinets other in group, corresponding ventilation valve is closed, and extraction fan and blowing fan stop；
Natural overflow pattern usually, if all electric power cabinets all become low-temperature cabinet, institute are returned to if when low-temperature cabinet disappears
There is ventilation valve closing, all extraction fans and blowing fan stop, and alarm request processing outward；
Wherein: TL < TS < TH.
Further, the value range 5 of the N is to 10；
Further, the blowing fan is the unidirectional ventilation fan of venetian blind type, and the blinds of the blowing fan is located at electric power cabinet
It is interior；
The temperature control method of electric power cabinet designed by the present invention, its unique advantage are as follows:
Firstly, nature overflow pattern is usually used, the principle discharge that the hot-air in electric power cabinet is risen using hot-air, no
Using additional energy, and hot-air is exhausted directly to not influence electric power cabinet ambient air temperature above furred ceiling and outside switchgear house；
Secondly, when some electric power in-cabinet temperature is greater than TH (when i.e. nature overflow pattern is not effective to it), it is available to send
Heat is equally scattered to above furred ceiling by fan cooling, and the air themperature that electric power cabinet periphery is used to fill into is unaffected；
Furthermore when some electric power cabinet temperature is lower, it is compensated using the heat of same group of periphery electric power cabinet, is made
Low-temperature cabinet temperature rises with anti-condensation, while making high temperature cabinet (temperature soprano and the most fast person of heating) cooling, kills two birds with one stone；
Finally, the electric power cabinet in power distribution station is divided into N number of one group of several groups, with electric power cabinet quantity in group and little, because
This air duct need to only be related to the electric power cabinet of this group, and duct dimension is reasonable, it is ensured that the efficiency of extraction fan.
Detailed description of the invention
Fig. 1 is the schematic diagram of power distribution station involved in embodiment 1；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the scheme of installation of embodiment 2 blowing fan and extraction fan；
In figure: power distribution station 1, electric power cabinet 2, furred ceiling 3, vent window 4, air duct 5, air hose 6, ventilation valve 7, exhaust pipe 8, exhaust valve
9, temp probe 10, blowing fan 11, extraction fan 12, hoisting frame 13, lifting rope 14.
Specific embodiment
The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.
Embodiment 1:
The temperature control method of electric power cabinet described in the present embodiment, the electric power cabinet 2 in power distribution station 1 is divided into several groups (such as by it
Fig. 1, shown in 2), every group of electric power cabinet 2 is N number of, N=6 in the present embodiment arranged side by side, and is arranged on 1 upper layer of power distribution station heat-insulated
Furred ceiling 3, above furred ceiling 3 be arranged vent window 4；Above every group of electric power cabinet 2 be arranged an air duct 5, air duct 5 be aluminium alloy or
Cuboid air duct made of stainless steel is externally provided with hoisting frame 13 in air duct 5, and the hoisting frame 13 passes through the lifting rope across furred ceiling 3
14 are installed on the ceiling of power distribution station 1.It is apparent that air duct 5 is also possible to other mounting means, as frame is pacified on mounting bar
A dress both ends are fixed on the wall of power distribution station；It is connected between air duct 5 and corresponding 2 top of electric power cabinet by air hose 6, is set on air hose 6
Ventilation valve 7 is to control the on-off of air hose 6；Setting can be set on exhaust pipe 8 to the exhaust pipe 8 being vented above furred ceiling 3 at the top of air duct 5
Exhaust valve 9 is set to control the on-off of exhaust pipe 8；Temp probe 10 is set in electric power cabinet 2 to measure temperature, setting blowing fan 11
It blows inside, the exhausting outward of extraction fan 12 is set；Blowing fan 11 and extraction fan 12 should be located at 2 backboard lower part of electric power cabinet；It is each
The temperature control method of group electric power cabinet is as follows:
Usually use nature overflow pattern: air hose 6 and exhaust pipe 8 are unimpeded, and blowing fan 11 and extraction fan 12 stop, electric power cabinet
Hot-air in 2 rises through air hose 6 naturally, air duct 5, exhaust pipe 8 drain into 3 top of furred ceiling, finally sheds from vent window 4；
(air-tightness of electric power cabinet should not be excessively good, should can leak out at least at cabinet door, or in blowing fan 11 and extraction fan 12 not work
Can leak out when making, as the entrance for filling into air, otherwise should be opened up with electric power cabinet cabinet not the fine crack for influencing overall situation or
Aperture)；
When temperature is greater than TH in some electric power cabinet 2, the blowing fan 11 of the cabinet starts, and hot-air is blown to air duct 5 in cabinet
And be discharged from exhaust pipe 8, blowing fan 11 stops when the in-cabinet temperature is less than TS, and returns to natural overflow pattern usually；
When some 2 temperature of electric power cabinet is lower than TL, which is low-temperature cabinet, and exhaust valve 9 is closed；
The extraction fan 12 of low-temperature cabinet works, and blowing fan 11 stops, and corresponding ventilation valve 7 is opened, low-temperature cabinet by air duct inside
Exhausting；
It is beaten with the most fast corresponding ventilation valve 7 of electric power cabinet 2 of the highest electric power cabinet 2 of temperature in the non-cryogenic cabinet of group and heating
It opens, extraction fan 12 and blowing fan 11 stop, their internal hot-airs carry out temperature-compensating to low-temperature cabinet by air duct 5；
It is closed with the corresponding ventilation valve 7 of electric power cabinets 2 other in group, extraction fan 12 and blowing fan 11 stop；
Natural overflow pattern usually is returned to if when low-temperature cabinet disappears, if all electric power cabinets 2 all become low-temperature cabinet, institute
There is the closing of ventilation valve 7, all extraction fans 12 and blowing fan 11 stop, and alarm request processing outward；Outside alarm request processing
It can be through old-fashioned acoustooptic alarm, or use mechanics of communication, which is sent to host computer；Processing mode
It can be artificially to electric power cabinet concurrent heating wind, or improve the temperature of power distribution station, or the electric power cabinet for always becoming low-temperature cabinet is installed additional
Electric heater etc.；
Wherein: TL < TS < TH.
TL is police circles' low temperature, can take 5-7 degrees Celsius；
TS represents comparatively safe temperature, can take 40-50 degrees Celsius；
TH represents police circles' high temperature, can take 65-70 degrees Celsius；Specific those skilled in the art can select within this range
It selects；
The temperature control method of electric power cabinet described in the present embodiment, its beneficial effect is:
Firstly, nature overflow pattern is usually used, the principle discharge that the hot-air in electric power cabinet is risen using hot-air, no
Using additional energy, and hot-air is exhausted directly to not influence electric power cabinet ambient air temperature above furred ceiling and outside switchgear house；
Secondly, when in some electric power cabinet 2 temperature be greater than TH (when i.e. nature overflow pattern is not effective to it), using sending
Fan 11 radiates, and equally heat is scattered to above furred ceiling, and the air themperature that electric power cabinet periphery is used to fill into is unaffected；
Furthermore when some 2 temperature of electric power cabinet is lower, it is compensated using the heat of same group of periphery electric power cabinet,
Increase with anti-condensation low-temperature cabinet temperature, while making high temperature cabinet (temperature soprano and the most fast person of heating) cooling, kills two birds with one stone, because
It is both best origin of heat and the one kind for needing most heat dissipation for temperature soprano and the most fast person of heating.
Finally, the electric power cabinet 2 in power distribution station 1 is divided into N number of one group of several groups, with electric power cabinet quantity in group and little,
Therefore air duct need to only be related to the electric power cabinet of this group, and duct dimension is reasonable, it is ensured that the efficiency of extraction fan 12, the value range of N are 5
Unsuitable very few to 10, excessively few then compensation effect is poor, also unsuitable excessive, excessively then influences the efficiency of extraction fan 12, needs larger
The extraction fan 12 of power.
It should be understood that can leak out when blowing fan 11 and extraction fan 12 do not work, in this way in 11 work of blowing fan
When making up thermal wind exhausting, hot wind can equally leak out from extraction fan 12, so that peripheral temperature is improved, and when needing to compensate, it takes out
Fan 12 works, and can leak into indoor cold wind again at blowing fan 11, influence compensation effect, but blowing fan 11 and extraction fan 12 leak out
It is limited after all, the peculiar advantage of above-mentioned temperature control method is not influenced on the whole, but reduces efficiency.
Embodiment 2:
The temperature control method of electric power cabinet described in the present embodiment, unlike the first embodiment: the blowing fan 11 is hundred
The blinds of the unidirectional ventilation fan of leaf window, the blowing fan 11 is located in electric power cabinet 2, such as Fig. 3.
Since blowing fan 11 is heat transmission, the heat that sheds in a short time is needed, therefore its power, size are obviously big
In extraction fan 12, if leaked out at blowing fan 11, the ability to extraction fan 12 is very big test, therefore blowing fan 11 is adopted
With the unidirectional ventilation fan of venetian blind type, the unidirectional ventilation fan of venetian blind type is the prior art, blinds be it is voluntarily sagging according to gravity,
Blowing fan 11 work when, since blinds has blocked outlet, he can be blown open, but in the present embodiment, with it is more ingenious
, when extraction fan 12 works, although having met the operative orientation of blowing fan 11, since electric power cabinet space is big, adds
A large amount of wind can pour at the top of electric power cabinet, and enough negative pressure are not had in electric power cabinet can be by the blinds of blowing fan 11 from the negative
It picks up, therefore, can be considered sealing at blowing fan 11, so, the leakproofness of electric power cabinet is relatively preferable, when extraction fan 12 works
Blowing fan 11 cannot leak out, and extraction fan 12 can reduce power and size to the greatest extent, and 12 size of extraction fan is smaller, in 11 work of blowing fan
As when the wind that leaks out it is also fewer (reducing the influence to ambient air), to improve the efficiency of whole system；And the pumping of small size
Fan 12 can leak out, and (temperature soprano and heating are most fast in usually natural overflow pattern and when becoming hot wind exporter
Person) it can ensure that enough benefit wind enters.
Embodiment 3:
The temperature control method of electric power cabinet described in the present embodiment provides another thinking on that basis of example 1:
When temperature is greater than TH in some electric power cabinet 2, blowing fan 11 works, and extraction fan 12 inverts, in this way in extraction fan 12
Place is just not easy to leak out；
And when the extraction fan of low-temperature cabinet 12 works, blowing fan 11 inverts, and blowing fan 11 does not leak out not only, and can help to take out
12 exhausting of fan.
Above-described embodiment is only to give an example to design of the invention, it will be apparent that, the protection scope of this patent is unlimited
In above-described embodiment.
Those skilled in the art should fall into this patent to various equivalent modifications or supplement made by above-described embodiment
Protection scope.
Claims (3)
1. a kind of temperature control method of electric power cabinet, the electric power cabinet (2) in power distribution station (1) is divided into several groups, every group of electric power cabinet (2) by it
It is arranged side by side N number of, and heat-insulated furred ceiling (3) is set on power distribution station (1) upper layer, vent window is set above furred ceiling (3)
(4)；One air duct (5) is set above every group of electric power cabinet (2), passes through air hose between air duct (5) and corresponding electric power cabinet (2) top
(6) it is connected to, sets ventilation valve (7) on air hose (6) to control the on-off of air hose (6)；Setting can be on furred ceiling (3) at the top of air duct (5)
The exhaust pipe (8) being just vented, it is characterized in that exhaust valve (9) are arranged on exhaust pipe (8) to control the on-off of exhaust pipe (8)；In electricity
Setting temp probe (10) is blown inside with measuring temperature, setting blowing fan (11), extraction fan (12) is arranged outward in power cabinet (2)
Exhausting；The temperature control method of each group of electric power cabinet is as follows:
Usually use nature overflow pattern: air hose (6) and exhaust pipe (8) are unimpeded, and blowing fan (11) and extraction fan (12) stop, electricity
Hot-air in power cabinet (2) rises through air hose (6) naturally, air duct (5), exhaust pipe (8) drain into above furred ceiling (3), finally from
Vent window sheds at (4)；
When some electric power cabinet (2) interior temperature is greater than TH, the blowing fan (11) of the cabinet starts, and hot-air is blown to air duct in cabinet
(5) and from exhaust pipe (8) be discharged, until the in-cabinet temperature be less than TS when blowing fan (11) stop, and return to usually naturally overflow
Mode out；
When some electric power cabinet (2) temperature is lower than TL, which is low-temperature cabinet, and exhaust valve (9) is closed；
The extraction fan (12) of low-temperature cabinet works, and blowing fan (11) stops, and corresponding ventilation valve (7) is opened, low-temperature cabinet from air duct toward
Interior exhausting；
With the most fast corresponding ventilation valve (7) of electric power cabinet (2) of the highest electric power cabinet of temperature (2) in the non-cryogenic cabinet of group and heating
It opens, extraction fan (12) and blowing fan (11) stop, their internal hot-airs carry out temperature benefit to low-temperature cabinet by air duct (5)
It repays；
With electric power cabinets (2) other in group, corresponding ventilation valve (7) is closed, and extraction fan (12) and blowing fan (11) stop；
The natural overflow pattern returned to if when low-temperature cabinet disappears usually owns if all electric power cabinets (2) all become low-temperature cabinet
Ventilation valve (7) is closed, and all extraction fans (12) and blowing fan (11) stop, and alarm request processing outward；
Wherein: TL < TS < TH.
2. the temperature control method of electric power cabinet according to claim 1, it is characterized in that the value range of the N is 5 to 10.
3. the temperature control method of electric power cabinet according to claim 1, it is characterized in that the blowing fan (11) is venetian blind type
Unidirectional ventilation fan, the blinds of the blowing fan (11) are located in electric power cabinet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079956.9A CN106848890B (en) | 2017-02-15 | 2017-02-15 | A kind of temperature control method of electric power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079956.9A CN106848890B (en) | 2017-02-15 | 2017-02-15 | A kind of temperature control method of electric power cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848890A CN106848890A (en) | 2017-06-13 |
| CN106848890B true CN106848890B (en) | 2019-01-04 |
Family
ID=59128329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710079956.9A Active CN106848890B (en) | 2017-02-15 | 2017-02-15 | A kind of temperature control method of electric power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106848890B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8964373B2 (en) * | 2011-12-16 | 2015-02-24 | Paul F. Rembach | System for cooling buildings containing heat generating electronics |
| CN104218454A (en) * | 2014-08-13 | 2014-12-17 | 黑龙江建龙钢铁有限公司 | Air conditioning device of distribution room |
| CN104837320B (en) * | 2015-05-07 | 2017-07-07 | 安华智能股份公司 | A kind of power distribution station cooling system for electric cabinet heat radiation |
| CN204732733U (en) * | 2015-05-26 | 2015-10-28 | 杭州金知科技有限公司 | A kind of power distribution cabinet improving radiating effect |
-
2017
- 2017-02-15 CN CN201710079956.9A patent/CN106848890B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106848890A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204144741U (en) | A kind of waterproof switch cabinet | |
| CN106786057B (en) | A kind of temperature control method of power distribution cabinet | |
| CN109673121A (en) | A kind of communication counter with overcurrent protection | |
| CN111029949A (en) | Transformer case with dehumidification cooling function | |
| CN201579061U (en) | Constant temperature and humidity box | |
| CN205229017U (en) | Weather -proof testing machine of xenon lamp | |
| CN104837320B (en) | A kind of power distribution station cooling system for electric cabinet heat radiation | |
| CN106848890B (en) | A kind of temperature control method of electric power cabinet | |
| CN206585245U (en) | A kind of switchgear house casing | |
| CN206295963U (en) | A kind of walk-in type constant temperature and humidity room | |
| CN209563107U (en) | A kind of container data center | |
| CN108110658A (en) | Between a kind of power equipment of Natural Circulation heat dissipation | |
| CN209419065U (en) | A kind of intelligence temperature resistance power distribution cabinet | |
| CN205372871U (en) | Energy -saving machine room | |
| Zhang et al. | Analysis of indoor thermal comfort of test model building installing double-glazed window with curtains based on CFD | |
| CN206727494U (en) | A kind of new self radiation type regulator cubicle | |
| CN207124399U (en) | A kind of distribution box with thermal diffusivity | |
| CN109496111A (en) | A kind of container data center | |
| CN106786046B (en) | A kind of low temp compensating control method of electrical cabinet | |
| CN107482506A (en) | A kind of outdoor distributing box of anti-summer high temperature | |
| CN204513686U (en) | High voltage converter room heat sink | |
| CN209434708U (en) | A kind of GGD good heat dissipation effect AC low voltage power switch box | |
| CN207252113U (en) | A kind of SPOE electrical cubicles | |
| CN207350562U (en) | A kind of water-cooling type air conditioning heat sink of low noise | |
| CN207977656U (en) | A kind of combined intelligent low-voltage distribution JP cabinets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Ming Inventor before: Wang Tao Inventor before: Gao Ming |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181119 Address after: 221400 Gaoliu Village Group 1, No. 18, Gaoliu Town, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Xinyi Lufeng agricultural science and Technology Co., Ltd. Address before: 310053 Electrical Group Office of Hangzhou Jinzhi Science and Technology Co., Ltd. No. 38 Puyan Street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Jin Zhi Science and Technology Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200422 Address after: 221400 Shijian village, Gaoliu Town, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Litai Electric Appliance Co., Ltd Address before: 221400 Gaoliu Village Group 1, No. 18, Gaoliu Town, Xinyi City, Xuzhou City, Jiangsu Province Patentee before: XINYI CITY LVFENG AGRICULTURE TECHNOLOGY Co.,Ltd. |