CN204301236U - Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system - Google Patents
Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system Download PDFInfo
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- CN204301236U CN204301236U CN201420722386.2U CN201420722386U CN204301236U CN 204301236 U CN204301236 U CN 204301236U CN 201420722386 U CN201420722386 U CN 201420722386U CN 204301236 U CN204301236 U CN 204301236U
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Abstract
The utility model relates to a kind of prefabricated cabin air-conditioning system, particularly a kind of intelligent substation prefabricated cabin under-floor air distribution air-conditioning system; Its structural feature is, include air conditioner in machine room machine and Cryogenic air plenum chamber, Cryogenic air plenum chamber is the Stilt layer below raised flooring, the air outlet of air conditioner in machine room machine is communicated with low-temperature static-pressure case downwards, an air outlet is all furnished with below each screen cabinet, and the return air inlet of air conditioner in machine room machine is positioned at the top of air-conditioning equipment, with superjacent air space in prefabricated cabin for connected space and screen cashier's office in a shop side air port be communicated with.The utility model has the advantage of, from top to bottom, from low to high, gas flow direction is consistent with air characteristics to achieve thermograde in prefabricated cabin, effectively improves the cooling effectiveness of cold air, thus realize that refrigerating efficiency is high, power consumption is few, the gradually object of Low investment cost.
Description
Technical field
The utility model relates to a kind of prefabricated cabin air-conditioning system, particularly a kind of intelligent substation prefabricated cabin under-floor air distribution air-conditioning system.
Background technology
Secondary screen cabinet caloric value in the prefabricated cabin that intelligent substation uses is comparatively large, and the Cryogenic air that main dependence air-conditioning is sent into and its heat radiation fully exchange, and take away heat, reduce screen in-cabinet temperature, air current composition plays the effect of heat-exchange medium tie wherein.The air supply mode of conventional air-conditioning sends cold air from top, get back in air conditioner from top or side-lower again after carrying out heat exchange with secondary screen cabinet, air-supply air current composition contradicts with air-flow character, most of refrigerating capacity consumption of air-conditioning is in reduction environment temperature, instead of directly go the temperature of reduction equipment, make the energy loss of air-conditioning comparatively large, utilization rate is low.In addition, easily there is hot-spot phenomenon in foot temperature drift in prefabricated cabin, and usually occur that room temperature has reached conventional setting value and the phenomenon of the higher even high temperature of device temperature in frame, refrigerating efficiency is low.
But in actual moving process; conventional cabinet type, wall type and ceiling air conditioner air-supply usually can be subject to the restriction restriction of the various factors such as section structure, screen cabinet arrangement form; be difficult in prefabricated cabin, form rationally unobstructed air current composition, cause refrigerating efficiency low.In order to ensure that the temperature in prefabricated cabin meets equipment service requirement, needing the refrigerating capacity and the air output that strengthen air-conditioning, consuming energy serious and increasing cost of investment.
Utility model content
The purpose of this utility model is to provide according to the deficiencies in the prior art part that a kind of refrigerating efficiency is high, power consumption is few, the gradually intelligent substation prefabricated cabin under-floor air distribution air-conditioning system of Low investment cost.
The purpose of this utility model is realized by following approach:
Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system, body floor, prefabricated cabin cabin is raised flooring, its structural feature is, include air conditioner in machine room machine and Cryogenic air plenum chamber, Cryogenic air plenum chamber is the Stilt layer below raised flooring, and the air outlet of air conditioner in machine room machine is communicated with low-temperature static-pressure case downwards, is all furnished with an air outlet below each screen cabinet, and the return air inlet of air conditioner in machine room machine is positioned at the top of air-conditioning equipment, with superjacent air space in prefabricated cabin for connected space and screen cashier's office in a shop side air port be communicated with.
Under-floor air distribution air-conditioning system described in the utility model, use air conditioner in machine room machine, using the space under raised flooring as plenum chamber, like this, air conditioner sends Cryogenic air via air outlet, this Cryogenic air is directly sent in secondary screen cabinet via the air outlet below screen cabinet and is carried out heat exchange after plenum chamber, and air is after absorption equipment heat radiation, and from screen, cashier's office in a shop the return air inlet of air-conditioner set is got back at the air port of side, prefabricated cabin top.Thus, described under-floor air distribution air-conditioning system to complete in prefabricated cabin thermograde from top to bottom, from low to high, first cool equipment cold environment again, gas flow direction is consistent with air characteristics, secondary screen cabinet can be cooled rapidly, hot-air rises, cold air declines and fill up hot-air and to rise the shuttling movement of the vacancy stayed, spontaneous formation air-flow, can power-equipment be increased, effectively improve the cooling effectiveness of cold air.In addition, raised flooring lower space is utilized to blow as plenum chamber, supply air system dynamic pressure can be reduced, increase static pressure, steady air flow and minimizing airstream vibration, form voltage stabilizing layer, make that air-supply is even, the static pressure of each point is equal in prefabricated cabin, thus realize that refrigerating efficiency is high, power consumption is few, the gradually object of Low investment cost.
The utility model is specially further:
All be furnished with an air outlet below each screen cabinet, be provided with n screen cabinet in prefabricated cabin, then be altogether provided with n air outlet, the real area S=s/50% of single air outlet, s are the effective area of single air outlet.
The special air conditioning for device room air output selected is L(m
3/ h), then the air output that each air outlet is undertaken is L/n(m
3/ h), get 2m/s by air outlet wind speed maximum v and calculate, the effective area of single air outlet is s=L/n/v/3600(㎡), the percent opening of air outlet gets 50%, then the real area S=s/50% of single air outlet.
The minimum headroom of height of raised flooring is higher than 350mm.
Choosing mainly according to the plenum chamber theory of computation of raised flooring height, in order to avoid cross section wind speed is too high, raised flooring height should will ask for maximum in conjunction with prefabricated cabin floor height and technique clear height, but minimum headroom should not lower than 350mm.According to current prefabricated cabin design specification 6.2.1.12 article requirement " anti-static movable floor height is preferably 200 ~ 250mm, should facilitate cable laying and maintenance ", adopt the prefabricated cabin of under-floor air distribution air-conditioning system suitably should raise the height of raised flooring to 350mm.
In sum, the utility model provides a kind of intelligent substation prefabricated cabin under-floor air distribution air-conditioning system, using the space under raised flooring as plenum chamber, Cryogenic air is directly sent in secondary screen cabinet and carries out heat exchange, air, after absorption equipment heat radiation, gets back to air-conditioner set from prefabricated cabin top.Advantage is, from top to bottom, from low to high, gas flow direction is consistent with air characteristics for thermograde, effectively improves the cooling effectiveness of cold air, thus realizes that refrigerating efficiency is high, power consumption is few, the gradually object of Low investment cost.
Accompanying drawing explanation
Figure 1 shows that the system architecture schematic diagram of intelligent substation prefabricated cabin under-floor air distribution air-conditioning system described in the utility model.
Below in conjunction with embodiment, the utility model is described further.
Detailed description of the invention
Most preferred embodiment:
With reference to accompanying drawing 1, intelligent substation prefabricated cabin under-floor air distribution air-conditioning system, body floor, prefabricated cabin cabin is raised flooring, include air conditioner in machine room machine and Cryogenic air plenum chamber, Cryogenic air plenum chamber is the Stilt layer below whole raised flooring, air conditioner in machine room machine is special air conditioning for device room, its air outlet is positioned at below air-conditioning equipment, downward connection low-temperature static-pressure case, an air outlet is all furnished with below each screen cabinet, and the return air inlet of air conditioner in machine room machine is positioned at the top of air-conditioning equipment, with superjacent air space in prefabricated cabin for connected space and screen cashier's office in a shop side air port be communicated with.
The operating loop of under-floor air distribution air-conditioning system to be shown in accompanying drawing shown in arrow, use air conditioner in machine room machine, using the space under raised flooring as plenum chamber, like this, air conditioner sends Cryogenic air via air outlet, this Cryogenic air is directly sent in secondary screen cabinet via the air outlet below screen cabinet and is carried out heat exchange after plenum chamber, and air is after absorption equipment heat radiation, and from screen, cashier's office in a shop the return air inlet of air-conditioner set is got back at the air port of side, prefabricated cabin top.
Other dependency structures design that the utility model relates to is as follows:
Air outlet size and quantity: be all furnished with an air outlet below each screen cabinet, be provided with n screen cabinet, be then altogether provided with n air outlet in prefabricated cabin.The special air conditioning for device room air output selected is L(m
3/ h), then the air output that each air outlet is undertaken is L/n(m
3/ h), get 2m/s by air outlet wind speed maximum v and calculate, the effective area of single air outlet is s=L/n/v/3600(㎡), the percent opening of air outlet gets 50%, then the real area S=s/50% of single air outlet.
Raised flooring height: choosing mainly according to the plenum chamber theory of computation of raised flooring height, in order to avoid cross section wind speed is too high, raised flooring height should will ask for maximum in conjunction with prefabricated cabin floor height and technique clear height, but minimum headroom should not lower than 350mm.According to current prefabricated cabin design specification 6.2.1.12 article requirement " anti-static movable floor height is preferably 200 ~ 250mm, should facilitate cable laying and maintenance ", adopt the prefabricated cabin of under-floor air distribution air-conditioning system suitably should raise the height of raised flooring to 350mm.
It is same as the prior art that the utility model does not state part.
Claims (3)
1. intelligent substation prefabricated cabin under-floor air distribution air-conditioning system, body floor, prefabricated cabin cabin is raised flooring, it is characterized in that, include air conditioner in machine room machine and Cryogenic air plenum chamber, Cryogenic air plenum chamber is the Stilt layer below raised flooring, and the air outlet of air conditioner in machine room machine is communicated with low-temperature static-pressure case downwards, is all furnished with an air outlet below each screen cabinet, and the return air inlet of air conditioner in machine room machine is positioned at the top of air-conditioning equipment, with superjacent air space in prefabricated cabin for connected space and screen cashier's office in a shop side air port be communicated with.
2. intelligent substation prefabricated cabin under-floor air distribution air-conditioning system according to claim 1, it is characterized in that, an air outlet is all furnished with below each screen cabinet, n screen cabinet is provided with in prefabricated cabin, then altogether be provided with n air outlet, the real area S=s/50% of single air outlet, s are the effective area of single air outlet.
3. intelligent substation prefabricated cabin under-floor air distribution air-conditioning system according to claim 1, is characterized in that, the minimum headroom of height of raised flooring is higher than 350mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722386.2U CN204301236U (en) | 2014-11-27 | 2014-11-27 | Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722386.2U CN204301236U (en) | 2014-11-27 | 2014-11-27 | Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system |
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| Publication Number | Publication Date |
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| CN204301236U true CN204301236U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420722386.2U Active CN204301236U (en) | 2014-11-27 | 2014-11-27 | Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592778A (en) * | 2017-10-26 | 2018-01-16 | 杭州富春云科技有限公司 | Improve the device of IDC computer room interior air-flow tissues |
| CN113093841A (en) * | 2021-03-23 | 2021-07-09 | 深圳供电局有限公司 | Centralized substation secondary equipment operational environment controlling means |
-
2014
- 2014-11-27 CN CN201420722386.2U patent/CN204301236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592778A (en) * | 2017-10-26 | 2018-01-16 | 杭州富春云科技有限公司 | Improve the device of IDC computer room interior air-flow tissues |
| CN107592778B (en) * | 2017-10-26 | 2024-01-30 | 杭州富春云科技有限公司 | Device for improving airflow organization in IDC machine room |
| CN113093841A (en) * | 2021-03-23 | 2021-07-09 | 深圳供电局有限公司 | Centralized substation secondary equipment operational environment controlling means |
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