CN112004380A - Air conditioning unit for outdoor large screen based on fin type indirect evaporative cooling - Google Patents
Air conditioning unit for outdoor large screen based on fin type indirect evaporative cooling Download PDFInfo
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- CN112004380A CN112004380A CN202010837637.1A CN202010837637A CN112004380A CN 112004380 A CN112004380 A CN 112004380A CN 202010837637 A CN202010837637 A CN 202010837637A CN 112004380 A CN112004380 A CN 112004380A
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- air
- large screen
- outdoor large
- unit
- evaporative cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 56
- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000007664 blowing Methods 0.000 claims 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/2099—Liquid coolant with phase change
-
- 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
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Air-Conditioning Systems (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 an air conditioning unit for an outdoor large screen based on fin type indirect evaporative cooling, which comprises a unit shell fixedly covered on the rear side wall of the outdoor large screen, wherein the unit shell is divided into a cooling and air exhaust area B close to one side of the outdoor large screen and an evaporative cooling area A far away from one side of the outdoor large screen, the evaporative cooling area A is provided with a fin type indirect evaporative cooling unit, and an air supply outlet is arranged between the evaporative cooling area A and the cooling and air exhaust area B. The air conditioning unit for the outdoor large screen based on the fin type indirect evaporative cooling solves the problem that the energy consumption for radiating the outdoor screen is large through mechanical refrigeration energy in the prior art.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and relates to an outdoor large-screen air conditioning unit based on fin type indirect evaporative cooling.
Background
In daily life, it is often seen that outdoor large screens are arranged in areas such as squares, shopping malls and communities with large pedestrian volume. The heat dissipation of large outdoor screens is usually achieved by mechanical refrigeration. However, the mechanical refrigeration has high energy consumption, and in extreme weather in summer, the temperature of the equipment is too high, which causes the heat dissipation of the condenser to be not smooth and wastes energy.
Disclosure of Invention
The invention aims to provide an air conditioning unit for an outdoor large screen based on fin type indirect evaporative cooling, which solves the problem that the energy consumption for radiating the outdoor screen is large through mechanical refrigeration energy in the prior art.
The technical scheme adopted by the invention is that the air conditioning unit for the outdoor large screen based on the fin type indirect evaporative cooling comprises a unit shell fixedly covered on the rear side wall of the outdoor large screen, the unit shell is divided into a cooling and air exhaust area B close to one side of the outdoor large screen and an evaporative cooling area A far away from one side of the outdoor large screen, the evaporative cooling area A is provided with a fin type indirect evaporative cooling unit, and an air supply outlet is arranged between the evaporative cooling area A and the cooling and air exhaust area B.
The unit shell is set to be rectangular with an opening on one side, and the opening on one side of the unit shell is fixedly covered on the rear side wall of the outdoor large screen.
The evaporative cooling area A is divided into a left air channel and a right air channel which are respectively a left primary air channel and a right secondary air channel, the primary air channel and the secondary air channel are divided into an upper channel and a lower channel which are respectively a primary air inlet channel and a secondary air inlet channel at the upper side and a primary air supply channel and a secondary air supply channel at the upper side, the fin type indirect evaporative cooling unit comprises a fin type indirect evaporative cooler arranged among the primary air inlet channel, the primary air supply channel, the secondary air inlet channel and the secondary air supply channel, an air inlet B and an air inlet A are respectively arranged on the side wall of the unit shell corresponding to the primary air inlet channel and the secondary air inlet channel, an air outlet A is also arranged on the side wall of the unit shell corresponding to the secondary air supply channel, an air outlet B is arranged at the top of the unit shell corresponding to the air outlet B, and the air supply outlet is arranged on one side of the primary air supply channel facing the cooling and, and a circulating water tank is also arranged in the primary air inlet channel, the circulating water tank is connected with a water distributor through a circulating water pipe, and the water distributor distributes water towards the fin type indirect evaporative cooler.
The circulating water pipe is provided with a circulating water pump.
An exhaust fan A is arranged in the exhaust outlet A.
An exhaust fan B is arranged in the exhaust outlet B.
And one side of the primary air supply duct, which faces the cooling and exhaust area B, is provided with an air supply opening A and an air supply opening B.
A filter B is also arranged at the air inlet B in the primary air inlet duct.
A filter A is also arranged at the air inlet A in the secondary air inlet duct.
The invention has the advantages that
(1) The invention utilizes the evaporative cooling technology, utilizes the latent heat exchange of water and air to reduce the primary air temperature, and the air supply enters the cooling and air exhaust area B to take away the heat generated by the outdoor screen, thereby saving energy;
(2) the invention utilizes the plate-fin indirect evaporative cooler, the channel through which the primary air passes has no water vapor, the safe use of the screen is ensured, and according to the difference of seasons and outdoor parameters, different working conditions are adopted, and the natural cooling is fully utilized to further save energy;
(3) the smart flow channel design effectively avoids the problem that the common outdoor screen is wrapped by the metal shell, so that heat dissipation is not facilitated, and only a mechanical air conditioner can be used for heat dissipation;
(4) the air inlets are symmetrically arranged, the air ports on two sides of the unit shell are symmetrically arranged, and double-sided air inlet reduces air side resistance, so that air flow organization is more uniform, and energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of the external structure of an outdoor large-screen air conditioning unit based on fin indirect evaporative cooling according to the present invention;
FIG. 2 is a schematic structural diagram of an evaporative cooling area A in the air conditioning unit for the large outdoor screen based on the fin indirect evaporative cooling of the present invention;
fig. 3 is a schematic structural diagram of a cooling and exhausting area B in the air conditioning unit for the outdoor large screen based on the fin indirect evaporative cooling of the invention.
In the figure, 1, a unit shell, 2, an exhaust outlet A, 3, an exhaust fan A, 4, a fin type indirect evaporative cooler, 5, a circulating water pipe, 6, a filter A, 7, an air inlet A, 8, a circulating water pump, 9, a water distributor, 10, a circulating water tank, 11, an air inlet B, 12, a filter B, 13, an exhaust outlet B, 14, an air supply outlet A, 15, an air supply outlet B, 16 and an exhaust fan B.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to an air conditioning unit for an outdoor large screen based on fin type indirect evaporative cooling, which has a structure shown in figure 1 and comprises a unit shell 1 fixedly covered on the rear side wall of the outdoor large screen, wherein the inside of the unit shell 1 is divided into a cooling and air exhaust area B close to one side of the outdoor large screen and an evaporative cooling area A far away from one side of the outdoor large screen, a fin type indirect evaporative cooling unit is arranged in the evaporative cooling area A, and an air supply opening is arranged between the evaporative cooling area A and the cooling and air exhaust area B.
The unit shell 1 is set to be rectangular with an opening on one side, and the opening side of the unit shell 1 is fixedly covered on the rear side wall of the outdoor large screen.
As shown in fig. 2, the evaporative cooling area a is divided into a left air passage and a right air passage, which are respectively a left primary air passage and a right secondary air passage, the primary air passage and the secondary air passage are divided into an upper passage and a lower passage, which are respectively a primary air inlet duct and a secondary air inlet duct at the upper side and a primary air supply duct and a secondary air supply duct at the upper side, the fin-type indirect evaporative cooling unit includes a fin-type indirect evaporative cooler 4 disposed between the primary air inlet duct, the primary air supply duct, the secondary air inlet duct and the secondary air supply duct, an air inlet B11 and an air inlet a7 are respectively disposed on the side wall of the unit housing 1 corresponding to the primary air inlet duct and the secondary air inlet duct, an air outlet a2 is further disposed on the side wall of the unit housing 1 corresponding to the secondary air supply duct, as shown in fig. 3, an air outlet B13 is disposed on the top of the unit housing 1 corresponding to the air, the air supply opening is arranged on one side of the primary air supply duct facing the cooling and air exhaust area B, a circulating water tank 10 is also arranged in the primary air supply duct, the circulating water tank 10 is connected with a water distributor 9 through a circulating water pipe 5, and the water distributor 9 distributes water to the fin type indirect evaporative cooler 4.
The circulating water pipe 5 is provided with a circulating water pump 8.
An exhaust fan A3 is arranged in the exhaust outlet A2.
An exhaust fan B16 is arranged in the exhaust outlet B13.
The side of the primary air supply duct facing the cooling and exhaust area B is provided with an air supply opening A14 and an air supply opening B15.
A filter B12 is also arranged at the air inlet B11 in the primary air inlet duct.
A filter A6 is also arranged at the air inlet A7 in the secondary air inlet duct.
The working principle of the air conditioning unit for the outdoor large screen is as follows:
the unit is divided into two working conditions during operation, namely a summer working condition: starting an exhaust fan A3, an exhaust fan B16 and a circulating water pump 8, allowing fresh outdoor air to enter the unit from an air inlet A7 under the action of an exhaust fan A3, filtering the fresh outdoor air by a filter A6, and uniformly spraying water in a circulating water tank 10 on the surface of a plate-fin indirect evaporative cooler 4 under the action of the circulating water pump 8, wherein the part of outdoor air, namely evaporative-cooled working air, generates heat and humidity exchange with water in a humidity channel, so that the working air is cooled and humidified; under the action of an exhaust fan B16, outdoor air enters the unit from an air inlet B11, the part of air is primary air, the primary air is filtered by a filter B12 and then enters a dry channel of the plate-fin evaporative cooler 4 to be cooled, under the action of the exhaust fan B16, the primary air enters a unit cooling and air exhaust part B from an air supply outlet A14 and an air supply outlet B15 to take away heat emitted by an outdoor large screen, the temperature of the primary air is increased after the primary air cools the outdoor large screen, and the primary air is exhausted out of the room through an air exhaust outlet B13 under the action of an exhaust fan B16.
Working conditions in winter: the exhaust fan B16 is started, the outdoor air is filtered by the filter B12 under the action of the exhaust fan B16 and then enters the cooling and exhaust part B through the air supply outlet A14 and the air supply outlet B15, and the heat emitted by the outdoor large screen is taken away; the outdoor air is cooled to the outdoor large screen, then the temperature is raised, and the outdoor air is exhausted out of the room through the air outlet B13 under the action of the exhaust fan B16. The temperature of outdoor air is utilized to directly cool the outdoor screen, thereby saving energy.
The transition season should consider what kind of working condition to use according to the outdoor parameter condition.
Claims (9)
1. The air conditioning unit for the outdoor large screen based on the fin type indirect evaporative cooling is characterized by comprising a unit shell (1) fixedly covered on the rear side wall of the outdoor large screen, wherein the inside of the unit shell (1) is divided into a cooling and air exhaust area B close to one side of the outdoor large screen and an evaporative cooling area A far away from one side of the outdoor large screen, the evaporative cooling area A is provided with a fin type indirect evaporative cooling unit, and an air supply opening is formed between the evaporative cooling area A and the cooling and air exhaust area B.
2. The air conditioning unit for the outdoor large screen according to claim 1, wherein the unit casing (1) is configured in a rectangular shape with an open side, and the open side of the unit casing (1) is fixedly covered on the rear side wall of the outdoor large screen.
3. The outdoor large-screen air conditioning unit according to claim 1, wherein the evaporative cooling area A is divided into left and right air passages, respectively a left primary air passage and a right secondary air passage, the primary and secondary air passages are divided into upper and lower passages, respectively an upper primary air inlet passage and a secondary air inlet passage, and an upper primary air supply passage and a secondary air supply passage, the finned indirect evaporative cooling unit includes a finned indirect evaporative cooler (4) disposed between the primary air inlet passage, the primary air supply passage, the secondary air inlet passage and the secondary air supply passage, the side walls of the unit housing (1) corresponding to the primary air inlet passage and the secondary air inlet passage are respectively provided with an air inlet B (11) and an air inlet A (7), the side walls of the unit housing (1) corresponding to the secondary air supply passage are further provided with an air outlet A (2), the cooling and exhaust area B corresponds unit casing (1) top is provided with air exit B (13), the supply-air outlet sets up in one side of primary air supply air duct orientation cooling and exhaust area B, still be provided with circulating water tank (10) in the primary air supply air duct, circulating water tank (10) are connected with water-locator (9) through circulating water pipe (5), water-locator (9) are towards fin formula indirect evaporative cooler (4) water distribution.
4. The air conditioning unit for the outdoor large screen according to claim 3, wherein a circulating water pump (8) is arranged on the circulating water pipe (5).
5. The air conditioning unit for the outdoor large screen according to claim 3, wherein an exhaust fan A (3) is arranged in the exhaust outlet A (2).
6. The air conditioning unit for the outdoor large screen according to claim 3, wherein an exhaust fan B (16) is arranged in the exhaust outlet B (13).
7. The air conditioning unit for an outdoor large screen according to claim 3, wherein a side of the primary air blowing duct facing the cooling and exhausting area B is provided with a blowing port A (14) and a blowing port B (15).
8. The air conditioning unit for the outdoor large screen according to claim 3, wherein a filter B (12) is further arranged in the primary air inlet duct at the air inlet B (11).
9. The air conditioning unit for the outdoor large screen according to claim 3, wherein a filter A (6) is further arranged in the secondary air inlet duct at an air inlet A (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837637.1A CN112004380B (en) | 2020-08-19 | 2020-08-19 | Outdoor large-screen air conditioning unit based on fin indirect evaporative cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837637.1A CN112004380B (en) | 2020-08-19 | 2020-08-19 | Outdoor large-screen air conditioning unit based on fin indirect evaporative cooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112004380A true CN112004380A (en) | 2020-11-27 |
| CN112004380B CN112004380B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010837637.1A Active CN112004380B (en) | 2020-08-19 | 2020-08-19 | Outdoor large-screen air conditioning unit based on fin indirect evaporative cooling |
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| Country | Link |
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| CN (1) | CN112004380B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202216613U (en) * | 2011-07-22 | 2012-05-09 | 西安工程大学 | Intermittent water distribution device for evaporative cooler |
| CN102679483A (en) * | 2012-05-28 | 2012-09-19 | 湖南工业大学 | Intelligent evaporation type natural-air air conditioner |
| CN204227536U (en) * | 2014-09-09 | 2015-03-25 | 宁波蓝科电子工程有限公司 | The special ultra-thin air-conditioning of a kind of giant-screen heat radiation |
| CN105135572A (en) * | 2015-09-21 | 2015-12-09 | 西安工程大学 | Heat pipe composite heat recovery type evaporative cooling air-conditioning system for data center |
| CN210801476U (en) * | 2019-09-20 | 2020-06-19 | 西安工程大学 | Dew point indirect evaporative cooling and mechanical refrigeration combined air conditioning unit for data center |
| CN212649987U (en) * | 2020-08-19 | 2021-03-02 | 西安工程大学 | Evaporative cooling air conditioning unit for integrated heat dissipation of outdoor large screen |
-
2020
- 2020-08-19 CN CN202010837637.1A patent/CN112004380B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202216613U (en) * | 2011-07-22 | 2012-05-09 | 西安工程大学 | Intermittent water distribution device for evaporative cooler |
| CN102679483A (en) * | 2012-05-28 | 2012-09-19 | 湖南工业大学 | Intelligent evaporation type natural-air air conditioner |
| CN204227536U (en) * | 2014-09-09 | 2015-03-25 | 宁波蓝科电子工程有限公司 | The special ultra-thin air-conditioning of a kind of giant-screen heat radiation |
| CN105135572A (en) * | 2015-09-21 | 2015-12-09 | 西安工程大学 | Heat pipe composite heat recovery type evaporative cooling air-conditioning system for data center |
| CN210801476U (en) * | 2019-09-20 | 2020-06-19 | 西安工程大学 | Dew point indirect evaporative cooling and mechanical refrigeration combined air conditioning unit for data center |
| CN212649987U (en) * | 2020-08-19 | 2021-03-02 | 西安工程大学 | Evaporative cooling air conditioning unit for integrated heat dissipation of outdoor large screen |
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| Publication number | Publication date |
|---|---|
| CN112004380B (en) | 2024-03-12 |
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