CN203608505U - Outdoor cabinet heat dissipation system based on low-power centrifugal fans - Google Patents
Outdoor cabinet heat dissipation system based on low-power centrifugal fans Download PDFInfo
- Publication number
- CN203608505U CN203608505U CN201320740816.9U CN201320740816U CN203608505U CN 203608505 U CN203608505 U CN 203608505U CN 201320740816 U CN201320740816 U CN 201320740816U CN 203608505 U CN203608505 U CN 203608505U
- Authority
- CN
- China
- Prior art keywords
- centrifugal blower
- system based
- outdoor cabinet
- layer top
- top board
- 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.)
- Expired - Lifetime
Links
- 230000017525 heat dissipation Effects 0.000 title abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000010009 beating Methods 0.000 claims description 18
- 238000004080 punching Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an outdoor cabinet heat dissipation system based on low-power centrifugal fans. The outdoor cabinet heat dissipation system comprises an equipment cabinet, a plurality of sets of centrifugal fans are disposed in the equipment cabinet, and ventilating openings of the centrifugal fans are provided with baffle plates. Preferably, the top cover of the equipment cabinet is of a double-layer housing structure and comprises an internal layer top board and an external layer top cover, the centrifugal fans are fixedly disposed on the internal layer top board, and the ventilating openings of the centrifugal fans are positioned between the internal layer top board and the external layer top cover. The outdoor cabinet heat dissipation system based on the low-power centrifugal fans is convenient in installation, excellent in heat dissipation performance, relatively low in cost and reliable in operation, the problem that a traditional outdoor cabinet axial-flow fan air cooling system is insufficient in heat dissipation is solved, and the disadvantages that an air conditioner and a heat exchange system are complex in installation and relatively high in cost are prevented.
Description
Technical field
The utility model belongs to distribution box heat dissipation technology field, is specifically related to a kind of outdoor cabinet cooling system based on small-power centrifugal blower.
Background technology
Electric power outdoor cabinet is mainly applicable to outdoor installation and the protection of control protective unit on the spot, and along with socioeconomic fast development, society is increasing to the demand of electric power, and outdoor cabinet becomes and is seen everywhere, as highway limit, park, roof, community, school etc.At present, the radiating mode of outdoor cabinet mainly contains following three kinds:
1. axial flow blower forced air cooling
Adopt axial flow blower to carry out exhausting, realize the convection current of cabinet inner air and outer air, room air is discharged to outdoor, outdoor air is entered indoorly simultaneously, realize the transfer of heat in cabinet.Axial flow blower is simple in structure, volume is little, easy for installation, and energy consumption is low, and expense is very low.The shortcoming of this radiating mode is: air quantity, blast are little, and radiating effect is poor, can not bear for a long time the important task to rack cooling; As time goes on, easily gather the dirts such as dust, and make it pollute the components and parts in cabinet, and then aggravation tropical island effect, reliability and stability are lower.
2. air-conditioning is cooling
Machine cabinet air-conditioner is made up of critical pieces such as compressor, condenser, thermostat, capillary, evaporator, blower fans.Its outer machine is by compressor by refrigerant compression, condensation heat release, and interior machine reduces ambient temperature in cabinet by liquid refrigerants evaporation endothermic again, in the time being installed on control cubicle, can, airtight in the situation that, the heat in cabinet and water vapour be shifted outside cabinet.
Air-conditioning heat dissipation effect is outstanding, can keep the constant of in-cabinet temperature, humidity; Airtight heat radiation, can prevent that extraneous dust, aqueous vapor from entering rack effectively, and degree of protection is high.But the shortcoming of this radiating mode is: air-conditioning volume is large, be difficult for installing, safeguarding; Energy consumption is high, does not meet the large policy of " energy-saving and emission-reduction " now; Expense is the highest.
3. heat exchanger
Heat exchanger device is the cabinet outer air of a kind of utilization lower than in-cabinet temperature, carries out available heat exchange by heat exchanger core, and inner-outer circulation air passes through heat exchanger heat-shift independently of one another, and the air-flow 100% on both sides separates completely, realizes temperature and regulates.The cost of heat exchanger, radiating effect are all between between the two above-mentioned.The advantage of this radiating mode is: airtight heat radiation, can effectively prevent that extraneous dust, aqueous vapor from entering rack, and degree of protection is high; Efficient parallel stream heat exchanger core, has superior heat exchanger effectiveness, and efficiency is high; For continuous service round the clock designs, strong adaptability, working stability are reliable.But its shortcoming is: heat exchange must meet the outer temperature of cabinet lower than in cabinet, is only applicable to the part lower area of ambient temperature throughout the year; Volume is large, and inconvenience is installed; Expense is higher.
In sum, axial flow blower forced air cooling cost is low, and energy consumption is low, but radiating effect is poor; Air-conditioning heat dissipation effect is outstanding, but price is the most expensive, power consumption; Heat exchanger radiating effect is general, but expense is high, and volume is large.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of outdoor cabinet cooling system based on small-power centrifugal blower is provided.
For achieving the above object, technical solution adopted in the utility model is as follows.
An outdoor cabinet cooling system based on small-power centrifugal blower, comprises rack, is provided with some groups of centrifugal blowers in described rack, is provided with baffle plate at the ventilating opening of centrifugal blower.
Further, the overhead guard of described rack is double-layer shell structure, comprises internal layer top board and outer overhead guard, and described centrifugal blower is installed on described internal layer top board, and the air outlet of described centrifugal blower is between internal layer top board and outer overhead guard.
Further, described centrifugal blower is arranged on panel beating, on described panel beating, be provided with the punching matching with the air inlet of centrifugal blower, the surrounding of panel beating is provided with filter screen, described panel beating, centrifugal blower and filter screen form a blower fan module, on described internal layer top board, be provided with the square hole matching with described blower fan module, described blower fan module is arranged on described internal layer top board by panel beating.
Further, described panel beating and described internal layer top board are bolted.
Further, described centrifugal blower is without volute casing centrifugal blower fan.
Further, the described air outlet airflow direction without volute casing centrifugal blower fan is for radially.
Further, the described number without volute casing centrifugal blower fan is 2.
The beneficial effects of the utility model are: that outdoor cabinet cooling system based on small-power centrifugal blower of the present utility model is installed is convenient, excellent radiation performance, cost are lower, reliable operation, solve the current outdoor cabinet axial flow blower air cooling system not enough problem of dispelling the heat, avoid again air-conditioning, heat-exchange system to install complicated, the shortcoming that cost is higher is a kind of economic and practical, reliable and stable high performance-price ratio radiating mode.
Accompanying drawing explanation
Fig. 1 is the structural representation without volute casing centrifugal blower fan of the outdoor cabinet cooling system based on small-power centrifugal blower of the present utility model.
Fig. 2 is the centrifugal blower module composition schematic diagram of the outdoor cabinet cooling system based on small-power centrifugal blower of the present utility model.
Fig. 3 is that centrifugal blower module of the present utility model coordinates schematic diagram with internal layer base plate.
Fig. 4 is centrifugal blower module scheme of installation of the present utility model.
Fig. 5 is that sink flows of the present utility model is to schematic diagram.
In figure, 1-centrifugal blower, 11-motor, 12-blade, 13-blade front shroud, 14-blade back shroud, 2-panel beating, 3-filter screen, 41-internal layer top board, 411-square hole, the outer overhead guard of 42-, 5-rack, 6-bolt, 7-current collector, 8-baffle plate, F-airflow direction.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Outdoor cabinet cooling system based on centrifugal blower of the present utility model, in the situation that not changing outdoor cabinet interior arrangement layout, replaces with the better centrifugal blower of performance axial flow blower.Can, according to the quantity of heat production of electronic installation in cabinet, calculate the parameter of required blower fan, then choose suitable blower fan.The utility model preferred impeller be directly installed on motor without volute casing centrifugal blower fan, as shown in Figure 1, it is mainly made up of motor 11, blade 12, blade front shroud 13, blade back shroud 14.Used without volute casing centrifugal blower fan, whole impeller is radially air outlet.
Below in conjunction with this mounting means without volute casing centrifugal blower fan of Fig. 2-4 explanation.
Two centrifugal blowers 1 are contained on same panel beating 2, are provided with the punching matching with the air inlet of centrifugal blower 1 on panel beating 2, and panel beating 2 surroundings are equipped with filter screen 3, and centrifugal blower 1, panel beating 2 and filter screen 3 form blower fan module, as shown in Figure 2.Panel beating 2 can be according to the height dimension of centrifugal blower 1, is designed to middle recessed shape.Centrifugal blower is equipped with current collector at air inlet conventionally, is beneficial to flowing of the interior air of cabinet.
Fig. 3 is that centrifugal blower module coordinates schematic diagram with internal layer base plate, Fig. 4 is centrifugal blower module scheme of installation, as shown in Figure 3 and Figure 4, the overhead guard of rack 5 is double-layer shell structure, comprise internal layer top board 41 and outer overhead guard 42, outer overhead guard is equipped with a circle baffle plate, can reduce the interior of equipment cabinet that enters of extraneous dust, steam.On internal layer top board 41, be provided with the square hole 411 matching with blower fan module, centrifugal blower module is between internal layer top board 41 and outer overhead guard 42 and be fixed by bolts on internal layer top board 41, is positioned the center of internal layer top board 41.Centrifugal blower module is installed on from below internal layer top board 41 and connects with bolt, facilitates like this maintenance and the maintenance of centrifugal blower 1, and can periodic cleaning filter screen black dirt.Can adopt the installation form of rotating shaft vertical without volute casing centrifugal blower fan 1, its air outlet airflow direction, for radially, therefore, is parallel to top board, and wind path damping is little.
The Air Flow of this cooling system as shown in Figure 5, extraneous air enters rack by rack bottom and side plate bottom screen, then flow through rack middle part and with the heat exchange of cabinet internal heat generation device, then arrive centrifugal blower 1 air inlet, centrifugal blower 1 is equipped with current collector 7 at air inlet, centrifugal blower 1 changes airflow direction F and radially throws away, because centrifugal blower 1 is between internal layer top board 41 and outer overhead guard 42, centrifugal blower 1 is fixed on internal layer top board by bolt 6, air-flow is finally by the filter screen 3 of centrifugal blower, gap between internal layer top board 41 and outer overhead guard 42, the air outlet of baffle plate 8 and outer overhead guard 42 surroundings enters external environment condition.
Outdoor cabinet cooling system based on small-power centrifugal blower of the present utility model, compared with prior art, has the following advantages.
Compared with mode 1:
The first, the utility model is structurally substantially the same with mode 1, therefore also have advantages of with mode one same, simple in structure, volume is little, installation, maintenance is convenient.
The second, the utility model, in having mode 1 advantage, has also overcome the greatest weakness of mode 1, has powerful air quantity and blast.Under same size condition, centrifugal extension set, air quantity, blast are much larger than air quantity, the blast of axial flow blower.
Three, because outdoor cabinet requirement of shelter is high, generally do not adopt skylight air outlet heat radiation, but adopt double-layer shell structure from the heat radiation of top cover side ventilating opening, under this form, the radially air draft characteristic of centrifugal blower makes its wind path resistance less, and efficiency is higher.
Compare with mode 2:
Air-conditioning volume is large, and complex structure takies large quantity space, and cost is high, unless equipment is high especially to environmental requirement in cabinet, just there is necessity of use.
Compare with mode 3:
Heat exchanger in essence or heat convection, the inevitable outcome of heat convection be in-cabinet temperature necessarily higher than ambient temperature, therefore, both are more or less the same by radiating effect.
The unique advantage of heat exchange is airtight heat radiation, therefore has compared with high-protection level.And the designed cooling system of the utility model, air inlet, air outlet has protection filter screen, and this external cabinet top is also provided with waterproof and dustproof baffle plate, can reach IP56 degree of protection, can adapt to various harsh and unforgiving environments.
In addition, the cost of heat exchanger, far above centrifugal blower, also has volume large, is difficult for the shortcomings such as installation.
The foregoing is only preferred embodiment of the present utility model, be not used for limiting practical range of the present utility model; If do not depart from spirit and scope of the present utility model, the utility model is modified or is equal to replacement, all should be encompassed in the middle of the protection range of the utility model claim.
Claims (7)
1. the outdoor cabinet cooling system based on small-power centrifugal blower, comprises rack, it is characterized in that, is provided with some groups of centrifugal blowers in described rack, is provided with baffle plate at the ventilating opening of centrifugal blower.
2. the outdoor cabinet cooling system based on small-power centrifugal blower according to claim 1, it is characterized in that, the overhead guard of described rack is double-layer shell structure, comprise internal layer top board and outer overhead guard, described centrifugal blower is installed on described internal layer top board, and the air outlet of described centrifugal blower is between internal layer top board and outer overhead guard.
3. the outdoor cabinet cooling system based on small-power centrifugal blower according to claim 2, it is characterized in that, described centrifugal blower is arranged on panel beating, on described panel beating, be provided with the punching matching with the air inlet of centrifugal blower, the surrounding of panel beating is provided with filter screen, described panel beating, centrifugal blower and filter screen form a blower fan module, on described internal layer top board, are provided with the square hole matching with described blower fan module, and described blower fan module is arranged on described internal layer top board by panel beating.
4. the outdoor cabinet cooling system based on small-power centrifugal blower according to claim 3, is characterized in that, described panel beating and described internal layer top board are bolted.
5. according to the outdoor cabinet cooling system based on small-power centrifugal blower described in claim 1-4 any one, it is characterized in that, described centrifugal blower is without volute casing centrifugal blower fan.
6. the outdoor cabinet cooling system based on small-power centrifugal blower according to claim 5, is characterized in that, the described air outlet airflow direction without volute casing centrifugal blower fan is for radially.
7. the outdoor cabinet cooling system based on small-power centrifugal blower according to claim 6, is characterized in that, the described number without volute casing centrifugal blower fan is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740816.9U CN203608505U (en) | 2013-11-21 | 2013-11-21 | Outdoor cabinet heat dissipation system based on low-power centrifugal fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740816.9U CN203608505U (en) | 2013-11-21 | 2013-11-21 | Outdoor cabinet heat dissipation system based on low-power centrifugal fans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203608505U true CN203608505U (en) | 2014-05-21 |
Family
ID=50721158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740816.9U Expired - Lifetime CN203608505U (en) | 2013-11-21 | 2013-11-21 | Outdoor cabinet heat dissipation system based on low-power centrifugal fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203608505U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181950A (en) * | 2014-09-18 | 2014-12-03 | 国家电网公司 | Electric power outdoor cabinet temperature control system and method |
| CN110401114A (en) * | 2018-04-24 | 2019-11-01 | 河南平芝高压开关有限公司 | Cabinet body and switchgear |
| CN110799010A (en) * | 2019-10-22 | 2020-02-14 | 重庆信易源智能科技有限公司 | Movable heat dissipation rack that big data analysis used |
-
2013
- 2013-11-21 CN CN201320740816.9U patent/CN203608505U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181950A (en) * | 2014-09-18 | 2014-12-03 | 国家电网公司 | Electric power outdoor cabinet temperature control system and method |
| CN110401114A (en) * | 2018-04-24 | 2019-11-01 | 河南平芝高压开关有限公司 | Cabinet body and switchgear |
| CN110401114B (en) * | 2018-04-24 | 2021-09-07 | 河南平芝高压开关有限公司 | Cabinet body and cubical switchboard |
| CN110799010A (en) * | 2019-10-22 | 2020-02-14 | 重庆信易源智能科技有限公司 | Movable heat dissipation rack that big data analysis used |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108495538B (en) | High-power outdoor heat dissipation rack | |
| CN201973812U (en) | Outdoor unit of inverter air conditioner | |
| CN203608505U (en) | Outdoor cabinet heat dissipation system based on low-power centrifugal fans | |
| CN210463722U (en) | Condensation air duct module for refrigerator | |
| CN102032631A (en) | Heat-pipe heat exchanging device for heat absorbing water curtain of integrated heating machine room | |
| CN101109547A (en) | Integrated water-cooling and water-cycling domestic central air conditioner | |
| CN213453926U (en) | Cabinet air conditioner | |
| CN203431999U (en) | Control cabinet of air conditioner outdoor unit, air conditioner outdoor unit and air conditioner | |
| CN202734200U (en) | Low noise type high temperature cabinet air conditioner | |
| CN201875825U (en) | Split type fresh air dehumidifier unit | |
| CN206517096U (en) | A kind of waterproof integrated charging device of radiating dustproof | |
| CN204425886U (en) | The server cabinet cooling system that gate-type cold water heat-exchanger rig and liquid cooling apparatus combine | |
| CN102705970A (en) | Low-noise air conditioner for high-temperature cabinet | |
| CN202973396U (en) | Air source water chilling unit | |
| CN201878475U (en) | Cabinet air conditioner for electronic device | |
| CN202382346U (en) | Novel semiconductor air conditioner | |
| CN203190547U (en) | Mobile purifying air cooler | |
| CN210292129U (en) | Small-size condensation dehumidifier | |
| CN203364278U (en) | Variable frequency portable air conditioner | |
| CN102466275A (en) | Split fresh-air dehumidifier set | |
| CN201983363U (en) | Fresh air conditioner | |
| CN101738014A (en) | Evaporative condenser type novel air/water-cooled dehumidifier | |
| CN201569085U (en) | Low-noise ultrathin overhead-type frequency-conversion shelter air conditioner | |
| CN209526349U (en) | A kind of energy-saving high-cooling property intelligent power distribution cabinet | |
| CN217929043U (en) | Air conditioning system for prefabricated house in road and bridge construction site |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 38 Patentee after: Guodian Nanjing Automation Co.,Ltd. Patentee after: CHINA ENERGY ENGINEERING GROUP JIANGSU POWER DESIGN INSTITUTE CO.,LTD. Patentee after: State Grid Corporation of China Patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: Jiangsu Electric Power Company Economic and Technology Research Institute Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 38 Patentee before: Guodian Nanjing Automation Co.,Ltd. Patentee before: Jiangsu Electric Power Design Institute Patentee before: State Grid Corporation of China Patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: Jiangsu Electric Power Company Economic and Technology Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |