CN109302829B - Lower air supply type machine room air conditioner - Google Patents
Lower air supply type machine room air conditioner Download PDFInfo
- Publication number
- CN109302829B CN109302829B CN201811119108.7A CN201811119108A CN109302829B CN 109302829 B CN109302829 B CN 109302829B CN 201811119108 A CN201811119108 A CN 201811119108A CN 109302829 B CN109302829 B CN 109302829B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- air inlet
- air
- cabinet
- front door
- 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.)
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Links
- 238000007664 blowing Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The invention discloses a lower air supply type machine room air conditioner which comprises a cabinet and a heat exchanger component arranged in the cabinet; the top and the front door plate of the cabinet are respectively provided with a first air inlet part and a second air inlet part, the bottom of the cabinet is provided with an air outlet part, and the first air inlet part and the second air inlet part are respectively communicated with the air outlet part through the heat exchanger assembly to form a gas heat exchange flow channel. According to the lower air supply type machine room air conditioner, the air inlet part is additionally arranged on the front door plate of the machine cabinet, so that air inlet of the machine room air conditioner is not limited to the top, the air inlet mode is increased, the air inlet area is increased, the wind resistance is reduced, and the whole energy consumption of the machine set is reduced to a certain extent.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a lower air supply type machine room air conditioner.
Background
In the computer lab, the air supply and the return air mode of computer lab air conditioner have a plurality of, including last air supply, lower air supply, go up return air, return air etc. generally can select various different air supply modes according to computer lab environment and equipment requirement to ensure the steady high-efficient operation of computer lab.
In the existing lower air supply air conditioner, the front door plate is closed, a top air inlet mode is mainly adopted, and when air is fed from the top, air inlet resistance is large due to limited air inlet area, so that energy consumption of a unit is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a lower air supply type machine room air conditioner which increases the air inlet area and reduces wind resistance and unit energy consumption.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a lower air supply type machine room air conditioner, which comprises a cabinet and a heat exchanger component arranged in the cabinet; the top and the front door plate of the cabinet are respectively provided with a first air inlet part and a second air inlet part, the bottom of the cabinet is provided with an air outlet part, and the first air inlet part and the second air inlet part are respectively communicated with the air outlet part through the heat exchanger assembly to form a gas heat exchange flow channel.
Preferably, the heat exchanger assembly comprises a first heat exchanger and a second heat exchanger, wherein the tops of the first heat exchanger and the second heat exchanger are connected with each other at an included angle, and the opposite surfaces of the first heat exchanger and the second heat exchanger face to a front door plate and a rear door plate of the cabinet respectively;
the first air inlet part comprises a first top air inlet and a second top air inlet which are connected; the first top air inlet is close to the front door plate and communicated with the air outlet part through the first heat exchanger;
the second top air inlet is positioned at one side of the first top air inlet away from the front door plate and is communicated with the air outlet part through the second heat exchanger.
Preferably, the lower air supply type machine room air conditioner further comprises a top filter screen arranged at the second top air inlet and a front filter screen arranged at one side of the first heat exchanger, which faces the front door plate.
Preferably, the top of the front filter screen is connected with the top filter screen.
Preferably, the second air inlet part comprises at least one air inlet arranged on the front door plate and a grille arranged in the air inlet.
Preferably, the bars of the grid are arranged horizontally, toward the inside of the cabinet and inclined downward.
Preferably, the bottom of the first heat exchanger is far away from the bottom of the second heat exchanger, and the bottom of the first heat exchanger is close to the front door plate, and the bottom of the second heat exchanger is close to the rear door plate of the cabinet;
the air outlet part is positioned between the bottom of the first heat exchanger and the bottom of the second heat exchanger.
Preferably, the cabinet comprises a front door plate, a rear door plate arranged opposite to the front door plate, and a side plate which is enclosed between the front door plate and the rear door plate; the front door plate can be opened and closed.
Preferably, the lower air supply type machine room air conditioner further comprises a supporting frame arranged at the inner bottom of the cabinet, and the heat exchanger assembly is mounted on the supporting frame.
Preferably, the lower air supply type machine room air conditioner further comprises a fan arranged in the supporting frame; the fan is located on the gas heat exchange flow channel, the air inlet of the fan faces the heat exchanger component, and the air outlet faces and is communicated with the air outlet part.
The invention has the beneficial effects that: the air inlet part is additionally arranged on the front door plate of the cabinet, so that the air inlet of the machine room air conditioner is not limited to the top, the air inlet mode is increased, the air inlet area is increased, the wind resistance is reduced, and the whole energy consumption of the machine set is reduced to a certain extent.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of a lower air supply type machine room air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic side sectional view of an air conditioner of a lower air-blowing machine room according to an embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of the grill of fig. 1.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 and 2, the air conditioner in a down-blowing machine room according to an embodiment of the present invention includes a cabinet 10 and a heat exchanger assembly 20 disposed in the cabinet 10.
The cabinet 10 may include a front door panel 11, a rear door panel 12 disposed opposite the front door panel 11, and a side panel 13 enclosed between the front door panel 11 and the rear door panel 12. The front door plate 11 can be opened and closed, so that the cabinet 10 can be conveniently opened to repair and replace various parts in the cabinet. The front door plate 11 can be integrally connected with the side plate 13 in an openable and closable manner according to the size setting of the cabinet 10; the front door panel 11 may be a plurality of side by side. The front door panels 11 can be opened and closed independently.
The top of the cabinet 10 is provided with a first air inlet portion as top air inlet. The front door panel 11 of the cabinet 10 is provided with a second air inlet portion 40 as front door air inlet. The bottom of the cabinet 10 is provided with an air outlet (not shown), the first air inlet and the second air inlet 40 are respectively communicated with the air outlet through the heat exchanger assembly 20 to form a gas heat exchange flow channel, air enters the cabinet 10 from the first air inlet and the second air inlet 40, and after heat exchange is carried out through the heat exchanger assembly 20, the air is output from the air outlet, and the air flow direction is shown by an arrow in fig. 2.
The heat exchanger assembly 20 comprises a first heat exchanger 21 and a second heat exchanger 22. The top of the first heat exchanger 21 and the second heat exchanger 22 are connected by an included angle, and the size of the included angle can be, but is not limited to, 0-90 degrees. The bottoms of the first heat exchanger 21 and the second heat exchanger 22 are far away, and the bottom of the first heat exchanger 21 is close to the front door panel 11, and the bottom of the second heat exchanger 22 is close to the rear door panel 12. In combination with the arrangement of the air outlet at the bottom of the cabinet 10, the air outlet may be located between the bottoms of the first heat exchanger 21 and the second heat exchanger 22.
In addition, the first heat exchanger 21 has two opposite surfaces, one surface facing the second heat exchanger 22 and one surface facing the front door panel 11; the second heat exchanger 22 has opposite surfaces, one surface facing the first heat exchanger 21 and one surface facing the rear door panel 12. The arrangement of the first heat exchanger 21 and the second heat exchanger 22 enables the pipeline connected with the heat exchangers to be discharged from one side so as to be connected with the outside, so that the unit layout is simple, and the occupied internal maintenance space is small.
In the heat exchanger assembly 20, the opposite surfaces of the first heat exchanger 21 and the second heat exchanger 22 face the front door panel 11 and the rear door panel 12 of the cabinet 10, respectively. The space between the first heat exchanger 21 and the second heat exchanger 22 forms a triangle space and communicates with the air outlet at the bottom of the cabinet 10. The heat exchange tubes in the first heat exchanger 21 and the second heat exchanger 22 are each parallel to the longitudinal direction of the front door panel 11 and the rear door panel 12.
Corresponding to the arrangement of the heat exchanger assembly 20, the first air inlet portion includes a first top air inlet 31 and a second top air inlet 32 that are connected. The first top air inlet 31 is close to the front door panel 11 and correspondingly above the first heat exchanger 21, and is communicated with the air outlet part through the first heat exchanger 21. The second top air inlet 32 is located at one side of the first top air inlet 31 away from the front door panel 11, and correspondingly above the second heat exchanger 22, and is communicated with the air outlet through the second heat exchanger 22.
The second air inlet portion 40 is opposite to the first heat exchanger 21 on the front door panel 11, and is communicated with the air outlet portion through the first heat exchanger 21, so that the first top air inlet 31 and the second air inlet portion 40 are both communicated with the first heat exchanger 21, and air entering from the first top air inlet 31 and the second air inlet portion is subjected to heat exchange through the first heat exchanger 21.
As shown in fig. 1 and 3, the second air inlet 40 includes at least one air inlet 41 provided on the front door panel 11, and a grille 42 provided in the air inlet 41. The size of the air inlet 41 can be set according to actual requirements. The grid 42 comprises a plurality of parallel bars. In this embodiment, the bars are arranged horizontally and inclined downwardly (the inclination angle may be, but is not limited to, 45 °), and the air entering through the interval between the bars is guided to the first heat exchanger 21 without colliding with the air entering from the first top air intake port 31.
Further, the lower air supply type machine room air conditioner of the present invention further comprises a top filter screen 51 disposed at the second top air inlet 32, and a front filter screen 52 disposed at the side of the first heat exchanger 21 facing the front door panel 11. The top filter 51 filters the air entering from the second top air intake 32, and the filtered air passes through the second heat exchanger 22. The front filter screen 52 is provided on the side of the first heat exchanger 21 to filter the air passing through the first heat exchanger 21, thereby filtering the air passing through the first top air inlet 31 and the second air inlet 40 at the same time while reducing the wind resistance.
The top of the front filter 52 may be connected to the top filter 51 by a connector.
The lower air supply type machine room air conditioner also comprises a supporting frame 50 and a fan 60, wherein the supporting frame 50 and the fan 60 are arranged at the inner bottom of the cabinet 10. The heat exchanger assembly 20 is mounted on a support frame 50. The blower 60 is disposed within the support frame 50 and is located on the gas heat exchange flow path. The air inlet of the fan 60 faces the heat exchanger assembly 20, and the air outlet faces the communication air outlet, thereby providing power for air flow.
When the lower air supply type machine room air conditioner is used, the heat exchanger component 20 is connected with the water inlet pipe and the water outlet pipe, and water is used as a heat exchange medium in the lower air supply type machine room air conditioner. The blower 60 is started to suck air, so that air is respectively caused to enter the cabinet 10 from the top of the cabinet 10 and the front door panel 11, and is sent out from the air outlet part after heat exchange of the heat exchanger assembly 20, and the machine room is cooled by air supply.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. The lower air supply type machine room air conditioner is characterized by comprising a cabinet (10) and a heat exchanger assembly (20) arranged in the cabinet (10); the top of the cabinet (10) and the front door plate (11) are respectively provided with a first air inlet part and a second air inlet part (40), the bottom of the cabinet (10) is provided with an air outlet part, and the first air inlet part and the second air inlet part (40) are respectively communicated with the air outlet part through the heat exchanger assembly (20) to form a gas heat exchange flow channel;
the heat exchanger assembly (20) comprises a first heat exchanger (21) and a second heat exchanger (22) which are connected at the top by an included angle, and the opposite surfaces of the first heat exchanger (21) and the second heat exchanger (22) face to a front door plate (11) and a rear door plate (12) of the cabinet (10) respectively;
the extending directions of the heat exchange pipes in the first heat exchanger (21) and the second heat exchanger (22) are parallel to the length directions of the front door plate (11) and the rear door plate (12);
the first air inlet part comprises a first top air inlet (31) and a second top air inlet (32) which are connected with each other; the first top air inlet (31) is close to the front door plate (11), and is communicated with the air outlet part through the first heat exchanger (21) with the second air inlet part (40);
the second top air inlet (32) is positioned at one side of the first top air inlet (31) away from the front door plate (11), and is communicated with the air outlet part through the second heat exchanger (22);
the area space of the second top air inlet (32) is larger than the area space of the first top air inlet (31);
the top of the first heat exchanger (21) is higher than the top of the second heat exchanger (22), and the bottom of the first heat exchanger (21) is higher than the bottom of the second heat exchanger (22).
2. The down-blowing machine room air conditioner of claim 1, further comprising a top filter screen (51) provided at the second top air intake (32), a front filter screen (52) provided at a side of the first heat exchanger (21) facing the front door panel (11).
3. A down-blowing machine room air conditioner according to claim 2, characterized in that the top of the front filter screen (52) is connected to the top filter screen (51).
4. The down-blowing machine room air conditioner according to claim 1, wherein the second air intake portion (40) includes at least one air intake (41) provided on the front door panel (11), and a grill (42) provided in the air intake (41).
5. The down-blowing machine room air conditioner of claim 4, wherein the bars of the grille (42) are horizontally disposed, and are disposed obliquely downward toward the inside of the cabinet (10).
6. The down-blowing machine room air conditioner according to claim 1, wherein the bottom of the first heat exchanger (21) and the bottom of the second heat exchanger (22) are distant, and the bottom of the first heat exchanger (21) is close to the front door panel (11), and the bottom of the second heat exchanger (22) is close to the rear door panel (12) of the cabinet (10);
the air outlet part is positioned between the bottom of the first heat exchanger (21) and the bottom of the second heat exchanger (22).
7. The down-blowing machine room air conditioner according to claim 1, wherein the cabinet (10) includes the front door panel (11), a rear door panel (12) disposed opposite to the front door panel (11), and a side panel (13) enclosed between the front door panel (11) and the rear door panel (12); the front door plate (11) can be opened and closed.
8. The down-air machine room air conditioner of any one of claims 1-6, further comprising a support frame (50) disposed at an inner bottom of the cabinet (10), the heat exchanger assembly (20) being mounted on the support frame (50).
9. The down-air machine room air conditioner of claim 8, further comprising a blower (60) disposed within the support frame (50); the fan (60) is positioned on the gas heat exchange flow passage, the air inlet of the fan faces the heat exchanger assembly (20), and the air outlet faces the air outlet part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119108.7A CN109302829B (en) | 2018-09-25 | 2018-09-25 | Lower air supply type machine room air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119108.7A CN109302829B (en) | 2018-09-25 | 2018-09-25 | Lower air supply type machine room air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109302829A CN109302829A (en) | 2019-02-01 |
| CN109302829B true CN109302829B (en) | 2024-02-06 |
Family
ID=65164404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119108.7A Active CN109302829B (en) | 2018-09-25 | 2018-09-25 | Lower air supply type machine room air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109302829B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739402B (en) * | 2021-08-30 | 2022-09-02 | 珠海格力电器股份有限公司 | Panel body assembly, cabinet air conditioner and cabinet |
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| BR202017007096U2 (en) * | 2017-09-19 | SAFE, TRANSPORTABLE EQUIPMENT WITH SIDE AND FRONT INTERNAL INSULFLAMING TO RACKS AND COOLING MEDIA | ||
| WO2010009626A1 (en) * | 2008-07-25 | 2010-01-28 | 华为技术有限公司 | A heat exchanger and a communication device |
| CN101790300A (en) * | 2010-02-08 | 2010-07-28 | 王兆元 | Data center machine room cooling system featuring cool air distribution according to needs |
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| Publication number | Publication date |
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| CN109302829A (en) | 2019-02-01 |
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