CN113587418A - Rack type precise air conditioner for data center - Google Patents
Rack type precise air conditioner for data center Download PDFInfo
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- CN113587418A CN113587418A CN202110994604.2A CN202110994604A CN113587418A CN 113587418 A CN113587418 A CN 113587418A CN 202110994604 A CN202110994604 A CN 202110994604A CN 113587418 A CN113587418 A CN 113587418A
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- air conditioner
- rack
- groove
- drainage mechanism
- data center
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000007788 liquid Substances 0.000 claims description 44
- 238000001514 detection method Methods 0.000 claims description 32
- 238000009825 accumulation Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses a rack-mounted precision air conditioner for a data center, which comprises a rack, an air conditioner body, a water collecting tank, a self-drainage mechanism and a strong drainage mechanism, wherein the air conditioner body, the water collecting tank, the self-drainage mechanism and the strong drainage mechanism are respectively arranged on the rack; the invention integrates the self-drainage function and the strong drainage function to enhance the drainage performance of the equipment, effectively avoids the damage of the equipment caused by the fact that condensed water cannot be drained in time, and greatly improves the reliability of the equipment.
Description
Technical Field
The invention relates to the field of air conditioning refrigeration in heating and ventilation engineering, in particular to a rack type precision air conditioner for a data center.
Background
The existing precision air conditioner can produce condensed water in the using process, the existing rack type precision air conditioner only has a single drainage function, if the precision air conditioner only has a self-drainage function or a strong drainage function, in addition, the manufacturing cost of the strong drainage function is higher than that of the self-drainage function, so few factories can select the strong drainage function, and the existing precision air conditioner can only discharge the condensed water through the self-drainage function.
However, the single drainage function is prone to safety accidents caused by drainage failure. Specifically, when the rack-mounted precise air conditioner only has a self-drainage function, when a self-drainage pipe is blocked, the rack-mounted precise air conditioner cannot automatically drain water, and the precise air conditioner is easily damaged due to excessive accumulated water of condensed water; for another example, when the rack-type precise air conditioner only has a forced drainage function, when the forced drainage pump fails, the forced drainage pump cannot forcibly pump away the condensed water, so that the precise air conditioner is easily damaged due to excessive accumulated water in the condensed water, and the forced drainage pump easily fails due to frequent start and stop, which results in extra maintenance and/or replacement cost.
Disclosure of Invention
The invention aims to provide a rack-mounted precise air conditioner for a data center, which integrates a self-drainage function and a strong drainage function to enhance the drainage performance of equipment, effectively avoids equipment damage caused by the fact that condensed water cannot be drained in time, and greatly improves the reliability of the equipment.
In order to achieve the purpose, the invention discloses a rack-mounted precision air conditioner for a data center, which comprises a rack, an air conditioner body, a water accumulating tank, a self-drainage mechanism and a strong drainage mechanism, wherein the air conditioner body, the water accumulating tank, the self-drainage mechanism and the strong drainage mechanism are respectively arranged on the rack, the water accumulating tank is used for collecting condensed water generated by the air conditioner body, the self-drainage mechanism is used for automatically discharging the condensed water in the water accumulating tank, and the strong drainage mechanism is used for forcibly discharging the condensed water in the water accumulating tank.
Compared with the prior art, the rack-mounted precision air conditioner for the data center comprises a rack, an air conditioner body, a water collecting tank, a self-drainage mechanism and a strong drainage mechanism, wherein the water collecting tank is used for collecting condensed water generated by the air conditioner body, the self-drainage mechanism is used for automatically draining the condensed water in the water collecting tank, and the strong drainage mechanism is used for forcibly draining the condensed water in the water collecting tank; on the other hand, the condensed water is uniformly collected by arranging the water collecting groove, so that the condensed water is conveniently discharged by the self-drainage mechanism and the strong drainage mechanism.
Preferably, strong drainage mechanism includes forced-ventilated pump, first pipeline and second pipeline, the ponding groove is equipped with first drainage hole, the one end of first pipeline is connected first drainage hole, the other end is connected the input of forced-ventilated pump, the one end of second pipeline is connected the output of forced-ventilated pump, the other end stretch to external environment, the forced-ventilated pump will comdenstion water in the ponding groove is followed the ponding groove is forced to be taken out extremely external environment.
Preferably, the self-draining mechanism comprises a third pipeline, the water collecting tank is provided with a second drain hole, one end of the third pipeline is connected with the second drain hole, and the other end of the third pipeline extends to the external environment.
Preferably, the first drain hole has a smaller diameter than the second drain hole.
Preferably, the water accumulation groove is provided with a first groove and a second groove which are communicated from bottom to top and have a ladder structure, and the first drain hole and the second drain hole are arranged on the side wall of the water accumulation groove and correspond to the first groove.
Preferably, the air conditioner body includes a fixed plate and an evaporator mounted on the fixed plate, the fixed plate is obliquely mounted on the rack, so that a preset included angle is formed between a plane where the evaporator is located and a groove bottom of the first groove, and the lowest part of the evaporator is located right above the first groove.
Preferably, the rack-mounted precision air conditioner for the data center further comprises a fan unit, the fan unit is mounted on the rack, and the fan unit drives the airflow to flow along the direction from the second groove to the first groove.
Preferably, the rack-mounted precision air conditioner for the data center further includes a heating unit, the heating unit is disposed above the evaporator, and the heating unit is used for heating the evaporator.
Preferably, the rack-mounted precision air conditioner for the data center further comprises a control unit and a liquid level detection unit, wherein the control unit is electrically connected with the liquid level detection unit and the strong drainage mechanism respectively, the liquid level detection unit is used for detecting the liquid level height of condensed water in the water collecting tank and sending a liquid level detection result to the control unit, and the control unit controls the action of the strong drainage mechanism according to the liquid level detection result.
Preferably, the rack-mounted precision air conditioner for the data center further comprises a humidity detection unit electrically connected with the control unit, the humidity detection unit is used for detecting air humidity and sending an air humidity detection result to the control unit, and the control unit controls the action of the strong drainage mechanism according to the liquid level detection result and the air humidity detection result.
Drawings
FIG. 1 is a schematic structural diagram of a rack-mounted precision air conditioner for a data center according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic structural diagram of the water collecting tank, the self-draining mechanism, the strong-draining mechanism and the liquid level detecting unit according to the present invention;
FIG. 4 is a schematic view of another angle configuration of the water accumulation tank, the self-draining mechanism, the strong draining mechanism and the liquid level detection unit of the present invention;
FIG. 5 is a schematic view of the structure of the water collecting tank of the present invention;
fig. 6 is a circuit block diagram of a rack type precision air conditioner for a data center according to the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 and 2, a rack 10 type precision air conditioner for a data center of the present embodiment includes a rack 10, an air conditioner body 20, a water collecting tank 30, a self-drainage mechanism 40, and a strong drainage mechanism 50, wherein the air conditioner body 20, the water collecting tank 30, the self-drainage mechanism 40, and the strong drainage mechanism 50 are respectively mounted on the rack 10, so that the air conditioner body 20, the water collecting tank 30, the self-drainage mechanism 40, and the strong drainage mechanism 50 form an integrated structure through the rack 10, so as to be convenient for assembly and movement. The water collecting tank 30 is used for collecting condensed water generated by the air conditioner body 20, the self-drainage mechanism 40 is used for automatically discharging the condensed water in the water collecting tank 30, and the strong drainage mechanism 50 is used for forcibly discharging the condensed water in the water collecting tank 30.
It is understood that condensation refers to the process of condensing high temperature gaseous species into a non-gaseous state (typically a liquid) due to a decrease in temperature, while condensed water refers to liquid water formed from water vapor (i.e., gaseous water) through the condensation process. Atmospheric air, also known as humid air, is a mixture of dry air and a quantity of water vapor, and when the temperature of the surface of the coil of the evaporator 22 of the air conditioner body 20 is lower than the dew point temperature of the incoming airflow, condensation of the water vapor occurs on the surface of the coil, thereby producing condensation that flows by gravity along the air conditioner body 20 into the sump 30. The flow rate of the condensed water is generally related to the moisture content of the air, the dew point temperature, the room temperature and other parameters.
The self-drainage mechanism 40 automatically drains the condensed water in the water collecting tank 30, and means that the condensed water can be naturally drained through the self-drainage mechanism 40 without an external force. The strong drainage mechanism 50 forcibly drains the condensed water in the water collecting tank 30, which means that the condensed water can be forcibly drained by the external force provided by the strong drainage mechanism 50.
Referring to fig. 1-6, the forced drainage mechanism 50 of the present embodiment includes a forced drainage pump 51, a first pipeline 52 and a second pipeline 53, the water collection tank 30 is provided with a first drainage hole 31, one end of the first pipeline 52 is connected to the first drainage hole 31, the other end is connected to an input end of the forced drainage pump 51, one end of the second pipeline 53 is connected to an output end of the forced drainage pump 51, and the other end extends to the external environment, the forced drainage pump 51 forcibly pumps the condensed water in the water collection tank 30 out of the water collection tank 30 to the external environment, where the external environment can be understood as a collected water recovery position such as an external collected water recovery bucket or an external collecting channel.
Specifically, when the strong drainage mechanism 50 is activated, the strong drainage pump 51 provides a pumping force for forcibly pumping the condensed water in the water collecting tank 30 out of the water collecting tank 30 to the external environment, and the condensed water in the water collecting tank 30 sequentially passes through the first pipeline 52, the strong drainage pump 51 and the second pipeline 53 and then enters the external environment, thereby completing the strong drainage operation.
It should be noted that the strong drain mechanism 50 is activated to start the strong drain operation, and the strong drain mechanism 50 is deactivated to stop the strong drain operation, as described herein.
Referring to fig. 1 to 5, the self-draining mechanism 40 of the present embodiment includes a third pipe 41, the water collecting tank 30 has a second drain hole 32, one end of the third pipe 41 is connected to the second drain hole 32, and the other end extends to the external environment, where the external environment may be the same as the external environment corresponding to the strong draining mechanism 50 or different from the external environment corresponding to the strong draining mechanism 50.
Preferably, the first drainage hole 31 has a smaller diameter than the second drainage hole 32, so that the self-drainage mechanism 40 can be used as the main drainage method of the present embodiment to obtain better drainage performance, and the strong drainage mechanism 50 is used as the auxiliary drainage method. Of course, in other embodiments, the diameter of the first drainage hole 31 and the diameter of the second drainage hole 32 may be equal, or the diameter of the first drainage hole 31 may be larger than the diameter of the second drainage hole 32, and the relationship that the diameter of the first drainage hole 31 is larger than the diameter of the second drainage hole 32 is set according to actual requirements, and is not limited herein.
Preferably, the water collection tank 30 is formed with a first groove 33 and a second groove 34 having a stepped structure which are communicated from bottom to top as shown in fig. 3, and the first drain hole 31 and the second drain hole 32 are provided at a position of the side wall of the water collection tank 30 corresponding to the first groove 33. At this time, since the first groove 33 is located at the lowest position, the condensed water fills the first groove 33 and then is filled in the second groove 34, and compared with the conventional water collecting tank 30 without a stepped groove, the same volume of condensed water is easier to be discharged through the first drain hole 31 and the second drain hole 32.
Preferably, the air conditioner body 20 includes a fixing plate 21 and an evaporator 22 mounted on the fixing plate 21, the fixing plate 21 is obliquely mounted on the frame 10, so that a plane of the evaporator 22 and a bottom of the first groove 33 form a predetermined included angle, and a portion of the evaporator 22 with the lowest height is located right above the first groove 33. Specifically, the plane of the evaporator 22 and the bottom of the first groove 33 form an included angle of 45 °, so that the condensed water can naturally converge on the lowest part of the evaporator 22 under the action of gravity and then flow into the first groove 33.
Preferably, the rack 10 type precision air conditioner for a data center of the present embodiment further includes a control unit 80, a fan unit 60 and a heating unit 70, the fan unit 60 is installed on the rack 10, the fan unit 60 provides airflow flowing force in the direction from a to a' as shown in fig. 2, the fan unit 60 drives the airflow to flow along the direction from the second groove 34 to the first groove 33, on one hand, the fan unit 60 can effectively dissipate heat of the air conditioner body 20, on the other hand, the airflow flows along the direction from the second groove 34 to the first groove 33, so as to avoid bringing the condensed water out of the water collecting tank 30 when the fan unit 60 sucks air. The heating unit 70 is provided above the evaporator 22, and the heating unit 70 is used to heat the evaporator 22.
Referring to fig. 1-6, in practical use, in order to avoid frequent actions of the forced drainage mechanism 50 to increase energy consumption and reduce the life of the forced drainage pump 51, the rack 10 type precision air conditioner for a data center of the present embodiment further includes a liquid level detection unit 90, the control unit 80 is electrically connected to the liquid level detection unit 90 and the forced drainage mechanism 50, the liquid level detection unit 90 is configured to detect the liquid level height of the condensed water in the water accumulation tank 30 and send the liquid level detection result to the control unit 80, and the control unit 80 controls the action of the forced drainage mechanism 50 according to the liquid level detection result, so as to cooperate with the self-drainage mechanism 40 to rapidly pump away the condensed water in the water accumulation tank 30 in time.
Specifically, the liquid level detection unit 90 of the present embodiment includes a high liquid level detection unit 91 and a low liquid level detection unit 92, the rack 10 type precision air conditioner for the data center of the present embodiment mainly discharges the condensed water in the water collecting tank 30 through the self-draining mechanism 40, when the high liquid level detection unit 91 detects that the liquid level of the condensed water in the water collecting tank 30 is higher than a first preset liquid level height, the high liquid level detection unit 91 sends a high liquid level signal to the control unit 80, the control unit 80 controls the strong draining mechanism 50 to act according to the high liquid level signal, at this time, the self-draining mechanism 40 and the strong draining mechanism 50 act together to quickly pump away the condensed water in the water collecting tank 30 in time, so as to avoid overflow of the condensed water due to failure of the self-draining mechanism 40 to timely discharge the condensed water in the water collecting tank 30; after the strong drainage mechanism 50 operates for a period of time, when the low liquid level detection unit 92 detects that the liquid level of the condensed water in the water collecting tank 30 is lower than a second preset liquid level height, the low liquid level detection unit 92 sends a low liquid level signal to the control unit 80, the control unit 80 controls the strong drainage mechanism 50 to stop acting according to the low liquid level signal, and at the moment, only the self drainage mechanism 40 is left to separately discharge the condensed water.
In order to further ensure that the strong drainage mechanism 50 can act in time, the rack 10 type precision air conditioner for a data center of the present embodiment further includes a humidity detection unit 110 electrically connected to the control unit 80, wherein the humidity detection unit 110 is configured to detect air humidity and send an air humidity detection result to the control unit 80, and the control unit 80 controls the action of the strong drainage mechanism 50 according to the liquid level detection result and the air humidity detection result.
Specifically, when the air humidity is greater, the flow rate of the condensed water collected in the water collecting tank 30 per unit time is greater, and therefore, the present embodiment further monitors the air humidity, when the air humidity is greater than the preset air humidity, the humidity detecting unit 110 sends a high humidity signal to the control unit 80, the control unit 80 controls the strong drainage mechanism 50 to act according to the high humidity signal, and the condensed water in the water collecting tank 30 is rapidly pumped away, thereby avoiding overflowing of the condensed water due to the fact that the condensed water in the water collecting tank 30 cannot be timely drained by the self-drainage mechanism 40.
In combination with the liquid level detecting unit 90, when the air humidity is greater than the preset air humidity and/or the liquid level of the condensed water in the water collecting tank 30 is higher than the first preset liquid level, the control unit 80 controls the strong drainage mechanism 50 to act according to the air humidity signal and/or the high liquid level signal, so as to cooperate with the self-drainage mechanism 40 to rapidly draw away the condensed water in the water collecting tank 30 in time, thereby avoiding overflow of the condensed water caused by the fact that the self-drainage mechanism 40 cannot drain the condensed water in the water collecting tank 30 in time.
It should be noted that, in order to obtain a better use experience, in practical use, the strong drainage mechanism 50 is controlled to operate only when the control unit 80 receives the air humidity signal and the high liquid level signal at the same time, so as to avoid frequent operation of the strong drainage mechanism 50 due to misjudgment.
With reference to fig. 1 to 6, the rack 10 type precision air conditioner for a data center of the present invention includes a rack 10, an air conditioner body 20, a water collecting tank 30, a self-draining mechanism 40 and a strong draining mechanism 50, wherein the water collecting tank 30 is used for collecting condensed water generated by the air conditioner body 20, the self-draining mechanism 40 is used for automatically draining the condensed water in the water collecting tank 30, and the strong draining mechanism 50 is used for forcibly draining the condensed water in the water collecting tank 30; on the other hand, by providing the water collecting tank 30 to collect the condensed water in a unified manner, the condensed water can be discharged from the water discharging mechanism 40 and the strong water discharging mechanism 50.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. The utility model provides a rack-mounted precision air conditioner for data center which characterized in that: the automatic drainage device comprises a rack, an air conditioner body, a water accumulation groove, a self-drainage mechanism and a strong drainage mechanism, wherein the air conditioner body, the water accumulation groove, the self-drainage mechanism and the strong drainage mechanism are respectively installed on the rack, the water accumulation groove is used for collecting condensed water generated by the air conditioner body, the self-drainage mechanism is used for automatically discharging the condensed water in the water accumulation groove, and the strong drainage mechanism is used for forcibly discharging the condensed water in the water accumulation groove.
2. The rack-mounted precision air conditioner for data center of claim 1, wherein: strong drainage mechanism is including forced-ventilated pump, first pipeline and second pipeline, the ponding groove is equipped with first drainage hole, the one end of first pipeline is connected first drainage hole, the other end is connected the input of forced-ventilated pump, the one end of second pipeline is connected the output of forced-ventilated pump, the other end stretch to external environment, the forced-ventilated pump will comdenstion water in the ponding groove is followed the ponding groove is forced to be taken out extremely external environment.
3. The rack type precision air conditioner for data center of claim 2, wherein: the self-drainage mechanism comprises a third pipeline, the water collecting tank is provided with a second drain hole, one end of the third pipeline is connected with the second drain hole, and the other end of the third pipeline extends to the external environment.
4. The rack-mounted precision air conditioner for data center of claim 3, wherein: the aperture of the first drain hole is smaller than that of the second drain hole.
5. The rack-mounted precision air conditioner for data center of claim 3, wherein: the water accumulation groove is provided with a first groove and a second groove which are communicated from bottom to top and have a ladder structure, and the first drain hole and the second drain hole are formed in the position, corresponding to the first groove, of the side wall of the water accumulation groove.
6. The rack-mounted precision air conditioner for data center of claim 5, wherein: the air conditioner body includes the fixed plate and installs evaporator on the fixed plate, the fixed plate be installed aslope in the frame, so that the evaporimeter place plane with the tank bottom of first recess has the contained angle of predetermineeing, just the high minimum part of evaporimeter is located directly over the first recess.
7. The rack-mounted precision air conditioner for data center of claim 5, wherein: the fan unit is arranged on the rack and drives airflow to flow along the direction from the second groove to the first groove.
8. The rack-mounted precision air conditioner for data center of claim 6, wherein: the heating device is characterized by further comprising a heating unit, wherein the heating unit is arranged above the evaporator and is used for heating the evaporator.
9. The rack-mounted precision air conditioner for data center of claim 1, wherein: the control unit is electrically connected with the liquid level detection unit and the strong drainage mechanism respectively, the liquid level detection unit is used for detecting the liquid level height of condensed water in the water accumulation tank and sending a liquid level detection result to the control unit, and the control unit controls the action of the strong drainage mechanism according to the liquid level detection result.
10. The rack-mounted precision air conditioner for data center of claim 9, wherein: still include with the humidity detecting element that the control unit electricity is connected, humidity detecting element is used for detecting air humidity to send air humidity testing result to the control unit, the control unit basis liquid level testing result and air humidity testing result control strong drainage mechanism's action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110994604.2A CN113587418A (en) | 2021-08-27 | 2021-08-27 | Rack type precise air conditioner for data center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110994604.2A CN113587418A (en) | 2021-08-27 | 2021-08-27 | Rack type precise air conditioner for data center |
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| Publication Number | Publication Date |
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| CN113587418A true CN113587418A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110994604.2A Pending CN113587418A (en) | 2021-08-27 | 2021-08-27 | Rack type precise air conditioner for data center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114234431A (en) * | 2021-12-02 | 2022-03-25 | 珠海格力电器股份有限公司 | Dehumidifier |
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| CN107449128A (en) * | 2017-09-15 | 2017-12-08 | 珠海格力电器股份有限公司 | Air conditioner water collector and air conditioning unit |
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