CN85205539U - Secondary air chest - Google Patents
Secondary air chest Download PDFInfo
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- CN85205539U CN85205539U CN 85205539 CN85205539U CN85205539U CN 85205539 U CN85205539 U CN 85205539U CN 85205539 CN85205539 CN 85205539 CN 85205539 U CN85205539 U CN 85205539U CN 85205539 U CN85205539 U CN 85205539U
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- air
- chest
- return
- cabinet
- plenum chamber
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Abstract
The utility model provides a secondary air chest which is suitable for an air conditioning system in the air conditioning mode of bottom feed and top return in a computer room. The secondary air chest which comprises a chest body, a return air inlet, an air outlet, a blower, a dust filter, etc. is installed on free access floor in the computer room. The air outlet on the bottom of the chest body is in compression joint with the tuyere of the free access floor. The primary air processed by cooling and dehumidifying by a common air conditioning. The secondary air driven by the blower in the secondary air chest mixes with the primary air in an air blow static pressure box and does not pass through the return air duct, which reduces the relative humidity of air blow and the enthalpy difference of the air conditioning. The utility model can avoid the installation of the upper cooling water tube and the lower cooling water tube in the air blow static pressure box.
Description
The utility model relates to a kind of overfire air device of separation, and particularly a kind of secondary wind is without sending the air channel back to, the Secondary air chest that mixes with wind in air supply plenum chamber.Be suitable in the computer floor air-conditioning system of serving the accent mode of making the return trip empty down, using.
Serve the computer floor air-conditioning system of the accent mode of making the return trip empty down, for the components and parts that prevent corrosion computer cabinet (hereinafter to be referred as rack) bottom with for making rack top and the bottom air-conditioning parameter require air-supply relative humidity lower (≤75%), the air-conditioning enthalpy difference little (≤2.5 kilocalorie/kilogram) of air supply plenum chamber near optimum value.Yet general air-conditioner because of air-supply relative humidity near reason such as saturated, that the air-conditioning enthalpy difference is big, should not in the computer floor air-conditioning system, use.If adopt the secondary air system air-conditioner arranged,, to increase, send duct cross-section back to and blower fan power also will increase thereupon with the total blast volume of primary and secondary air sum though air-supply relative humidity and air-conditioning enthalpy difference all decrease.
For avoiding sending back to the increase of duct cross-section and blower fan power, generally adopt computer floor special air conditioner device (hereinafter to be referred as the special air conditioner device) in the computer floor air-conditioning system both at home and abroad at present.The special air conditioner device is directly installed on the interior movable floor air port of machine room, does not need the huge air channel of sending back to.But have the following disadvantages again:, need establish the general air-conditioning system of handling dehumidifying usefulness in addition because of little, the no dehumidifying effect of air-conditioning enthalpy difference; Because of in the special air conditioner device refrigeration plant being arranged, so also need dispose cooling water pipe up and down under the movable floor of computer floor (hereinafter to be referred as machine room), the water logging accident takes place easily; And special air conditioner device cost is higher.
The purpose of this utility model will provide a kind of overfire air device of separation, it can make secondary wind mix with a wind in air supply plenum chamber without sending the air channel back to, thereby avoided sending back to the corresponding increase of duct cross-section and blower fan power, and can avoid under the movable floor of machine room, being provided with cooling water pipe up and down because of the increase of total blast volume.
The purpose of this utility model is finished as follows: a secondary wind and a wind mixing only work to reduce air-supply relative humidity and reduce the air-conditioning enthalpy difference, air-conditioner does not carry out air-treatment to secondary wind, therefore under serve in the accent mode of making the return trip empty, secondary wind can be without sending the air channel back to and a wind mixes.In the utility model, the task of secondary wind is finished by Secondary air chest.In machine room, on the movable floor air port Secondary air chest is installed, Secondary air chest mainly is made up of cabinet, return air inlet, dirt catcher, blower fan and air outlet, return air inlet is at the top or the sidepiece of cabinet, air outlet in the bottom and with the crimping mutually of movable floor air port.Drive by blower fan, enter into the secondary wind of return air inlet from machine room, be sent in the air supply plenum chamber through dirt catcher, blower fan, air outlet, movable floor air port.The task of a wind is still finished by general air-conditioner.Enter into the secondary wind of return air plenum chamber return air inlet from machine room, in air-return duct enters into general air-conditioner, carry out the cool-down dehumidification of big enthalpy difference and handle, and then in air supply plenum chamber is sent in the air delivery duct.Wind and secondary wind mix in air supply plenum chamber, have reduced air-supply relative humidity and enthalpy difference.Because secondary wind without sending the air channel back to, is not sent duct cross-section and blower fan power back to so need not increase.
The purpose of this utility model is conceived to secondary wind without sending the air channel back to, mix in air supply plenum chamber with a wind, so primary air system can be by general Air-conditioner design method design.Because Secondary air chest need not connect up and down cooling water pipe, only need connect the power supply that blower fan is used, so flexible arrangement, the erecting bed number by the increase and decrease Secondary air chest can remedy the deviation in the design.Use the air-conditioning system cost of Secondary air chest to be lower than the air-conditioning system cost that employing has the secondary air system air-conditioner, more far below the air-conditioning system cost that adopts the special air conditioner device.
Employing has the air-conditioning system of secondary air system air-conditioner, special air conditioner device and Secondary air chest and the structure of the utility model Secondary air chest to be provided by the following drawings.
Fig. 1 adopts the air-conditioning system schematic diagram that the secondary air system air-conditioner is arranged.
Fig. 2 is the air-conditioning system schematic diagram that adopts the special air conditioner device.
Fig. 3 is the utility model Secondary air chest structural representation.
Fig. 4 is the air-conditioning system schematic diagram that adopts the utility model Secondary air chest.
With reference to Fig. 1, in air supply plenum chamber (7), the air-supply static pressure is arranged.Rack (11) partly air quantity passes through movable floor (8) air port, rack (11) by air supply plenum chamber (7), is drained in the machine room (6) from rack (11) top.Machine room (6) partly air quantity is drained in the machine room (6) by movable floor (8) air port by air supply plenum chamber (7).Owing in the return air plenum chamber (9) at machine room (6) top negative pressure is arranged, rack (11) is the total blast volume of air quantity and machine room (6) part air quantity sum partly, is divided into wind and secondary air separating and has not entered in the secondary air system air-conditioner (12) behind return air plenum chamber return air inlet (10), return air plenum chamber (9), air-return duct (14).Replenishing new wind also enters in the air-conditioner (12) of secondary air system with a wind simultaneously through replenishing fresh flue (15).The interior wind of secondary air system air-conditioner (12) is arranged and replenish new wind after treatment and secondary wind mix, send in the air supply plenum chamber (7) through blower fan and air delivery duct (13).Because primary and secondary air passes through air-return duct (14) and air delivery duct (13) entirely, so send duct cross-section back to and blower fan power all need increase.
With reference to Fig. 2, in air supply plenum chamber (7), the air-supply static pressure is arranged.Machine room (6) partly air quantity is identical with Fig. 1 by the approach that air supply plenum chamber (7) enters into machine room (6) with rack (11) part air quantity.Under the driving by special air conditioner device (16) inner blower, most air quantity in the total blast volume of machine room (6) part air quantity and rack (11) part air quantity sum is through special air conditioner device (16) return air inlet, enter into carry out the cooling of little enthalpy difference in the special air conditioner device (16) and handle after, enter in the air supply plenum chamber (7) through special air conditioner device (16) air outlet, movable floor (8) air port.Little part air quantity in the total blast volume enters in the general air-conditioner (18) through return air plenum chamber return air inlet (10), return air plenum chamber (9), air-return duct (14).Replenishing new wind also enters in the general air-conditioner (18) through replenishing fresh flue (15).After dehumidification treatments, enter into air supply plenum chamber (7) by air delivery duct (13).General air-conditioner (18) can not dehumidify and establishes for remedying special air conditioner device (16).Owing in the special air conditioner device (18) refrigeration plant is arranged, for this reason cooling water pipe, watertight barrier and spilled water hole about air supply plenum chamber (7) domestic demand setting.
With reference to Fig. 3, Secondary air chest (17) mainly is made up of cabinet (1), return air inlet (2), air outlet (3), dirt catcher (4) and blower fan (5).Because Secondary air chest (17) is mounted on movable floor (8) air port, so air outlet (3) is in the bottom of cabinet (1), and there is the soft press strip that seals on four limits in air port, with the crimping mutually of movable floor (8) air port.Return air inlet (2) is at the top or the sidepiece of cabinet (1).Return air inlet (2) is when being located at the top, and rack (11) and machine room (6) be the ratio height of air quantity ratio partly.Dirt catcher (4) is inferior high efficiency particular air filter.Blower fan (5) is the power set that drive secondary wind, should select two air intake centrifugal blower fans.When Secondary air chest (17) is installed on movable floor (8) air port, also need in air supply plenum chamber (7), to supply with fan power.
With reference to Fig. 4, in air supply plenum chamber (7), the air-supply static pressure is arranged.Machine room (6) partly air quantity is identical with Fig. 1 by the approach that air supply plenum chamber (7) enters into machine room (6) with rack (11) part air quantity.Rack (11) partly air quantity and machine room (6) partly a wind in the total blast volume of air quantity sum mix through return air plenum chamber return air inlet (10), return air plenum chamber (9), air-return duct (14) with from replenishing the additional new wind facies that fresh flue (15) enters, enter into and carry out the cool-down dehumidification processing in the general air-conditioner (18).A wind after the processing is in air delivery duct (13) enter into air supply plenum chamber (7).Secondary wind enters in the air supply plenum chamber (7) through return air inlet (2), dirt catcher (4), blower fan (5), air outlet (3) and movable floor (8) air port of Secondary air chest (17).Primary and secondary air is mixed in air supply plenum chamber (7).Air-conditioning system Secondary air chest (17) when operation must be in running status, otherwise can cause that the interior air of air supply plenum chamber (7) blows back into machine room (6), so Secondary air chest (17) start and stop must link with the primary air system start and stop.Secondary air chest (17) air quantity and primary air system air quantity are about equally.Between air delivery duct (13) and air supply plenum chamber (7) watertight barrier need be set, (13) domestic demand is provided with spilled water hole in the air delivery duct, in case condensed water flows in the air supply plenum chamber (7).Two or two can be installed with the several Secondary air chest (17) of appearing on the stage in a machine room (6).
With reference to Fig. 2 and Fig. 4, adopt the computer floor air-conditioning system of the Secondary air chest (17) of Fig. 4, compare with the computer floor air-conditioning system of the special air conditioner device (16) that adopts Fig. 2, have following strong point: because cooling water pipeline up and down is not set in the air supply plenum chamber (7) of computer floor, therefore computer stube cable and the power line in air supply plenum chamber (7) can not take place by the accident of water logging (1).(2) improved the adaptability of minimum refrigerating capacity.In the computer floor air-conditioning system of the special air conditioner device (16) that adopts Fig. 2, general air-conditioner (18) is established for replenishing fresh air dehumidification, because the refrigerating capacity regulating power of freon refrigerator is limited, when outside air temperature is low, minimum refrigerating capacity is difficult to adapt to, and causes artificial cold-hot counteraction easily.Adopt the computer floor air-conditioning system of the Secondary air chest (17) of Fig. 4,, be difficult for causing artificial cold-hot counteraction even when outside air temperature is low, still have bigger cooling load.(3) help computer equipment expansion or remodeling in the machine room.Technical development of computer is rapid, and computer equipment is installed must have after several years and expanded or remodeling.Adopt the computer floor air-conditioning system of the Secondary air chest (17) of Fig. 4, when computer equipment in the machine room need expand or retrofit, because of there not being cooling water pipe up and down, need not make civil engineering in the machine room and change, only need to increase and decrease the platform number of Secondary air chest (17) and change general air-conditioner (18).After the trial run of machine room input, the deviation in the design can be remedied by the platform number of increase and decrease Secondary air chest (17).(4) cost is low.The price of general air-conditioner (18) of cause and Secondary air chest (17) is low more than special air conditioner device (16).But when the computer floor air-conditioning system of the Secondary air chest (17) that adopts Fig. 4, general air-conditioner (18) and machine room must be adjacent, distance should not away from.
Claims (6)
1, is used for serving down Secondary air chest [17] device computer floor air-conditioning system, that in primary air system, carry out the cool-down dehumidification processing of the accent mode of making the return trip empty, it is characterized in that being installed in the Secondary air chest [17] on movable floor [8] air port, return air inlet [2] is arranged on its cabinet [1], air outlet [3] is arranged at its cabinet [1] bottom, air outlet [3] and the crimping mutually of movable floor [8] air port have the blower fan [5] that drives secondary wind and work the dirt catcher [4] of filtering the dirt effect in the cabinet [1].
2, device according to claim 1 is characterized in that the top of return air inlet (2) in cabinet (1).
3, device according to claim 1 is characterized in that the sidepiece of return air inlet (2) in cabinet (1).
4,, it is characterized in that there is the soft press strip that seals on four limits, air port of described air outlet (3), air outlet (3) and the crimping mutually of movable floor (8) air port according to claim 2 or 3 described devices.
5, device according to claim 4 is characterized in that described blower fan (5) is two air intake centrifugal blower fans.
6, device according to claim 5 is characterized in that described dirt catcher (4) is inferior high efficiency particular air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85205539 CN85205539U (en) | 1985-12-28 | 1985-12-28 | Secondary air chest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85205539 CN85205539U (en) | 1985-12-28 | 1985-12-28 | Secondary air chest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85205539U true CN85205539U (en) | 1986-12-03 |
Family
ID=4800578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85205539 Granted CN85205539U (en) | 1985-12-28 | 1985-12-28 | Secondary air chest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85205539U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455022A (en) * | 2010-10-25 | 2012-05-16 | 富士通株式会社 | Air-conditioning system |
| CN103206747A (en) * | 2013-02-27 | 2013-07-17 | 北京百度网讯科技有限公司 | Cooling system for server in server room |
| CN111895570A (en) * | 2020-08-18 | 2020-11-06 | 朗诗集团股份有限公司 | New trend system and house |
-
1985
- 1985-12-28 CN CN 85205539 patent/CN85205539U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455022A (en) * | 2010-10-25 | 2012-05-16 | 富士通株式会社 | Air-conditioning system |
| CN103206747A (en) * | 2013-02-27 | 2013-07-17 | 北京百度网讯科技有限公司 | Cooling system for server in server room |
| CN103206747B (en) * | 2013-02-27 | 2016-01-20 | 北京百度网讯科技有限公司 | For the cooling system of server in server room |
| CN111895570A (en) * | 2020-08-18 | 2020-11-06 | 朗诗集团股份有限公司 | New trend system and house |
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