CN115111827A - Composite evaporative air cooler - Google Patents
Composite evaporative air cooler Download PDFInfo
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- CN115111827A CN115111827A CN202211036442.2A CN202211036442A CN115111827A CN 115111827 A CN115111827 A CN 115111827A CN 202211036442 A CN202211036442 A CN 202211036442A CN 115111827 A CN115111827 A CN 115111827A
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- air
- air duct
- water
- cooling section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
- F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the field of cooling equipment, and particularly relates to a composite evaporative air cooler, which comprises: the air inlet is arranged below the side wall of the shell, and the air outlet is arranged at the top of the shell; the heat exchange tube comprises an air cooling section and a water cooling section which are communicated with each other; the device also comprises a spray pipe, a water collector and a water storage tank; the air cooling section is provided with a first air channel and a second air channel at the height, the first air channel and the second air channel are long-strip-shaped, the first air channels and the second air channels are arranged in a staggered mode, and the air cooling section is located in the first air channel; a shared wall is arranged between the first air duct and the second air duct, and a movable door is arranged below the shared wall. The double-station air duct is arranged at the air cooling section of the heat exchange tube, so that the phenomenon of accelerated oxidation of the surface of the water cooling section caused by direct entry of high-temperature materials into the water cooling section is avoided, the wind resistance is reduced, the contact between the radiating fins and water mist is reduced, and the service life of the radiating fins is prolonged.
Description
Technical Field
The invention belongs to the field of cooling equipment, and particularly relates to a composite evaporative air cooler.
Background
The evaporative air cooler is widely applied to the fields of petroleum, chemical engineering and the like, and mainly has the main function of cooling fluid materials, the traditional evaporative air cooler mainly has two types, one type is that the materials are cooled only by the evaporation of water, the other type is that the materials are cooled by air firstly, and then the air is cooled by the evaporation of the water, and the two cooling modes have advantages and disadvantages respectively.
For the first mode, the evaporative air cooler (No. CN209230322U, high efficiency and energy saving evaporative air cooler) disclosed in the prior art has a simple structure and a low wind resistance, however, when the material temperature is high, the cooling water sprayed on the heat exchange tube accelerates the oxidation of the heat exchange tube, which affects the service life of the heat exchange tube.
For the second mode, the combined type evaporation air cooler (publication No. CN102759285A, a combined type evaporation air cooler) disclosed in the prior art adopts an air cooling mode to cool the material to below a preset temperature (e.g. 80 ℃ -120 ℃), and then uses water to evaporate and cool, so that the aging of the heat exchange tube can be slowed down, and the service life can be prolonged, however, in this mode, the heat dissipation fins need to be arranged in the air cooling section, the structure is complex, the wind resistance is large, and the corrosion of the heat dissipation fins can be accelerated by the overflow high-temperature water vapor, and the use cost is high.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a composite evaporative air cooler, which can adjust the cooling manner according to the material temperature, so as to improve the service life of the equipment while ensuring the cooling efficiency.
To achieve the above and other related objects, the present invention provides a composite evaporative air cooler, comprising:
the air inlet is arranged below the side wall of the shell, the air outlet is arranged at the top of the shell, and the axial flow fan is arranged in the air outlet;
the heat exchange tube is positioned in the shell, two ends of the heat exchange tube penetrate to the outside of the shell, the heat exchange tube comprises an air cooling section and a water cooling section which are communicated with each other, the air cooling section is positioned above the water cooling section, and the air cooling section is provided with radiating fins; a temperature sensor is arranged at the upstream of the liquid inlet of the heat exchange tube;
the spray pipe is arranged between the air cooling section and the water cooling section and is used for spraying cooling water to the water cooling section;
the water collector is positioned between the air cooling section and the spray pipe;
the water storage tank is positioned at the bottom of the shell and is connected with the spray pipe through a pipeline, and a spray pump is arranged on the pipeline;
the air cooling section is provided with a first air channel and a second air channel at the height, the first air channel and the second air channel are long-strip-shaped, the first air channels and the second air channels are arranged in a staggered mode, and the air cooling section is located in the first air channel;
the first air duct and the second air duct are provided with a shared wall, a movable door is arranged below the shared wall, the upper end of the movable door is hinged to the shell, and the movable doors below any two adjacent shared walls are symmetrically opened and closed, so that the first air duct and the second air duct can be switched between the following two stations:
the lower end of the first air channel is closed by the movable door, and the lower end of the second air channel is opened; and
and in the second station, the lower end of the first air channel is opened, and the lower end of the second air channel is closed by the movable door.
In an optional embodiment of the present invention, an auxiliary air inlet is disposed on a side wall of the housing below the first air duct and the second air duct, a wind shield is disposed on the auxiliary air inlet, the wind shield is movably connected to the housing, a linkage mechanism is disposed between the movable door and the wind shield, the linkage mechanism is configured to drive the wind shield to open the auxiliary air inlet when the movable door moves from the first station to the second station, and the linkage mechanism can drive the wind shield to close the auxiliary air inlet when the movable door moves from the second station to the first station.
In an optional embodiment of the present invention, a water-proof net is disposed between two of the movable doors on two sides of the first air duct, and when the two of the movable doors on two sides of the first air duct open the lower portion of the first air duct, the water-proof net shields the lower portion of the first air duct to prevent a part of water mist from entering the first air duct.
In an optional embodiment of the present invention, the linkage mechanism is further configured to fold the water-blocking net above the two movable doors on the two sides of the first air duct when the two movable doors on the two sides of the first air duct close the lower portion of the first air duct.
In an optional embodiment of the present invention, the linkage mechanism includes swing arms disposed on side walls of the housing at two ends of the first air duct, two swing arms are disposed at two ends of each first air duct, the two swing arms are respectively hinged to the housing, a movable brace rod is disposed at swing ends of the two swing arms, a fixed brace rod is disposed on the housing between the two swing arms, lengths of the movable brace rod and the fixed brace rod are respectively parallel to a length direction of the first air duct, two ends of the water-proof net are respectively connected to two movable doors below the first air duct, the water-proof net is respectively passed over the two movable brace rods, and a middle portion of the water-proof net is passed under the fixed brace rod; be equipped with the torsional spring on the articulated shaft of swing arm, work as two of first wind channel below the dodge gate is closed, two the swing arm is in under the effect of torsional spring to two top between the dodge gate is drawn in, works as two of first wind channel below the dodge gate is when opening, the dodge gate can pass through the water-proof net draws and draws the movable stay bar to make two the swing arm is expanded to both sides respectively.
In an optional embodiment of the present invention, the auxiliary air inlet is located on a movement path of the movable support rod, the wind deflector is fixedly connected to the movable support rod, when the two movable support rods are folded, the wind deflector can be driven to shield the auxiliary air inlet, and when the two movable support rods are unfolded, the wind deflector can be driven to be removed from the auxiliary air inlet.
In an optional embodiment of the present invention, a driving mechanism for driving two adjacent movable doors to open and close each other is disposed on an outer wall of the housing.
In an optional embodiment of the present invention, the driving mechanism includes a sliding rod movably disposed along a direction perpendicular to the length of the first air duct, and a swing rod fixedly connected to the rotating shaft of the movable door, the swing rods on two adjacent movable doors respectively overhang at the upper and lower sides of the rotating shaft of the movable door, the swing rod is provided with a guide pin, the sliding rod is provided with a driving plate overhanging at the upper and lower sides respectively, the driving plate is provided with a vertical waist-shaped hole, wherein the vertical waist-shaped hole of the driving plate overhanging upwards forms a sliding fit with the guide pin on the swing rod overhanging upwards, and the vertical waist-shaped hole of the driving plate overhanging downwards forms a sliding fit with the guide pin on the swing rod overhanging downwards; the shell is provided with a linear driving element for driving the sliding rod to slide.
In an optional embodiment of the present invention, the linear driving element includes a screw rod parallel to the sliding rod, the screw rod is rotatably connected to the housing, the sliding rod is provided with a nut block, the nut block and the screw rod form a threaded fit, the screw rod is connected to a main shaft of a servo motor, and the servo motor and the temperature sensor are connected to the automatic control module.
In an optional embodiment of the invention, the water collector comprises a plurality of V-shaped plates arranged at intervals along the horizontal direction, and the openings of the V-shaped plates are arranged towards the same horizontal direction.
The invention has the beneficial effects that:
according to the invention, the double-station air channel is arranged at the air cooling section of the heat exchange tube, when the temperature of the material is higher, the air flow passes through the air cooling section, the material is pre-cooled through the air cooling section and then enters the water cooling section for cooling, so that the phenomenon that the surface of the water cooling section is accelerated to be oxidized due to the fact that the high-temperature material directly enters the water cooling section is avoided, in addition, when the temperature of the material is lower, pre-cooling is not needed, the air flow can bypass the air cooling section for direct discharge, the wind resistance is reduced, meanwhile, the contact between the radiating fins and water mist is reduced, and the service life of the radiating fins is prolonged.
Drawings
Fig. 1 is a perspective view of a composite evaporative air cooler provided in an embodiment of the present invention;
fig. 2 is a perspective view of another view of the composite evaporative air cooler provided in the embodiment of the present invention;
fig. 3 is a front view of a hybrid evaporative air cooler provided in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of section I of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 3;
FIG. 6 is a cross-sectional view C-C of FIG. 5;
FIG. 7 is an enlarged partial view of II of FIG. 6;
FIG. 8 is a perspective view of a housing provided by an embodiment of the present invention with a top wall of the housing hidden;
fig. 9 is a perspective view illustrating an internal structure of a composite type evaporative air cooler according to an embodiment of the present invention;
FIG. 10 is a perspective view of a linkage provided by an embodiment of the present invention;
FIG. 11 is an exploded view of a linkage provided by an embodiment of the present invention;
the meaning of the reference symbols in the figures is: 10. a housing; 101. an air inlet; 102. an air outlet; 103. a water storage tank; 104. a first air duct; 105. a second air duct; 106. an auxiliary air inlet; 11. a spray pump; 12. a servo motor; 121. a screw rod; 13. a slide bar; 131. a drive plate; 132. a nut block; 14. swinging arms; 141. a movable stay bar; 15. a wind deflector; 16. fixing the stay bar; 20. a heat exchange pipe; 21. an air cooling section; 211. a heat dissipating fin; 22. a water cooling section; 30. a shower pipe; 40. a water collector; 50. a movable door; 51. a swing rod; 60. a common wall; 70 water-proof net.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1 to 11, a composite evaporative air cooler includes a housing 10, a heat exchange tube 20, a spray tube 30, a water collector 40 and a water storage tank 103, specifically, an air inlet 101 is provided below a side wall of the housing 10, an air outlet 102 is provided at the top of the housing 10, and an axial flow fan (not shown) is provided in the air outlet 102; the heat exchange tube 20 is located in the shell 10, two ends of the heat exchange tube 20 penetrate through the shell 10, the heat exchange tube 20 comprises an air cooling section 21 and a water cooling section 22 which are communicated with each other, the air cooling section 21 is located above the water cooling section 22, and the air cooling section 21 is provided with a heat dissipation fin 211; a temperature sensor (not shown) is arranged upstream of the liquid inlet of the heat exchange pipe 20; the spray pipe 30 is installed between the air cooling section 21 and the water cooling section 22 and is used for spraying cooling water to the water cooling section 22; the water receiver 40 is positioned between the air cooling section 21 and the spray pipe 30; the water storage tank 103 is positioned at the bottom of the shell 10, the water storage tank 103 is connected with the spray pipe 30 through a pipeline, and a spray pump 11 is arranged on the pipeline; a first air duct 104 and a second air duct 105 are arranged at the height of the air cooling section 21, the first air duct 104 and the second air duct 105 are long, the first air duct 104 and the second air duct 105 are arranged in a staggered manner, and the air cooling section 21 is located in the first air duct 104; a common wall 60 is arranged between the first air duct 104 and the second air duct 105, a movable door 50 is arranged below the common wall 60, the upper end of the movable door 50 is hinged to the housing 10, and the movable doors 50 below any two adjacent common walls 60 are symmetrically opened and closed, so that the first air duct 104 and the second air duct 105 can be switched between the following two stations: at a first station, the lower end of the first air duct 104 is closed by the movable door 50, and the lower end of the second air duct 105 is opened; and a second station, wherein the lower end of the first air duct 104 is opened, and the lower end of the second air duct 105 is closed by the movable door 50.
According to the invention, the double-station air channel is arranged on the air cooling section 21 of the heat exchange tube 20, when the temperature of the material is higher, the air flow passes through the air cooling section 21, the material is pre-cooled through the air cooling section 21 and then enters the water cooling section 22 for cooling, so that the phenomenon that the surface of the water cooling section 22 is accelerated to be oxidized due to the fact that the high-temperature material directly enters the water cooling section 22 is avoided, in addition, when the temperature of the material is lower, pre-cooling is not needed, the air flow can bypass the air cooling section 21 to be directly discharged, the wind resistance is reduced, meanwhile, the contact between the radiating fins 211 and water mist is reduced, and the service life of the radiating fins 211 is prolonged.
Referring to fig. 6, 7 and 8, in an optional embodiment of the present invention, an auxiliary air inlet 106 is disposed on a side wall of the housing 10 below the first air duct 104 and the second air duct 105, a wind shield 15 is disposed on the auxiliary air inlet 106, the wind shield 15 is movably connected to the housing 10, a linkage mechanism is disposed between the movable door 50 and the wind shield 15, and the linkage mechanism is configured to drive the wind shield 15 to open the auxiliary air inlet 106 when the movable door 50 moves from the first station to the second station, and drive the wind shield 15 to close the auxiliary air inlet 106 when the movable door 50 moves from the second station to the first station. It can be understood that the air entering from the auxiliary air inlet 106 does not pass through the water cooling section 22, and therefore, the air is a low-temperature drying air, which can effectively improve the heat dissipation efficiency of the air cooling section 21 and reduce the corrosion to the heat dissipation fins 211.
Referring to fig. 7, in an alternative embodiment of the present invention, a water-proof net 70 is disposed between the two movable doors 50 at two sides of the first air duct 104, and when the two movable doors 50 at two sides of the first air duct 104 open the lower portion of the first air duct 104, the water-proof net 70 covers the lower portion of the first air duct 104 to prevent a part of the water mist from entering the first air duct 104. The water-blocking net 70 can block water mist to a certain extent, so as to further reduce corrosion to the heat dissipation fins 211, and the water-blocking net 70 may be, for example, a hydrophobic glass fiber net.
Referring to fig. 7, 10 and 11, in an alternative embodiment of the present invention, the linkage mechanism is further configured to fold the water-proof net 70 above the two movable doors 50 on both sides of the first air duct 104 when the two movable doors 50 on both sides of the first air duct 104 close the lower portion of the first air duct 104.
Referring to fig. 7, 10 and 11, in an alternative embodiment of the present invention, the linkage mechanism includes swing arms 14 disposed on the side walls of the housing 10 at the two ends of the first air duct 104, two swing arms 14 are disposed at the two ends of each first air duct 104, the two swing arms 14 are respectively hinged to the housing 10, a movable brace 141 is disposed at each swing end of the two swing arms 14, a fixed brace 16 is disposed on the housing 10 between the two swing arms 14, the length directions of the movable stay 141 and the fixed stay 16 are respectively parallel to the length direction of the first air duct 104, both ends of the water-proof net 70 are respectively connected with the two movable doors 50 below the first air duct 104, the water-proof net 70 is respectively passed over the two movable support bars 141, and the middle part of the water-proof net 70 is passed under the fixed support bar 16; the hinged shaft of the swing arm 14 is provided with a torsion spring (not shown), when the two movable doors 50 below the first air duct 104 are closed, the two swing arms 14 are folded towards the upper part between the two movable doors 50 under the action of the torsion spring, and when the two movable doors 50 below the first air duct 104 are opened, the movable doors 50 can pull the movable support rods 141 through the water-proof net 70, so that the two swing arms 14 are respectively unfolded towards two sides.
Referring to fig. 7, 8, 10, and 11, in an alternative embodiment of the present invention, the auxiliary air inlet 106 is located on a moving path of the movable brace 141, the wind deflector 15 is fixedly connected to the movable brace 141, when the two movable braces 141 are folded, the wind deflector 15 can be driven to shield the auxiliary air inlet 106, and when the two movable braces 141 are unfolded, the wind deflector 15 can be driven to be removed from the auxiliary air inlet 106.
Referring to fig. 10 and 11, in an alternative embodiment of the present invention, a driving mechanism for driving two adjacent movable doors 50 to open and close is disposed on an outer wall of the housing 10.
Referring to fig. 10 and 11, in an alternative embodiment of the present invention, the driving mechanism includes a sliding rod 13 movably disposed along a direction perpendicular to the length of the first air duct 104, the swing rods 51 are fixedly connected with the rotating shaft of the movable door 50, the swing rods 51 on two adjacent movable doors 50 respectively overhang the upper side and the lower side of the rotating shaft of the movable door 50, the swing rod 51 is provided with a guide pin, the slide rod 13 is provided with two drive plates 131 which are respectively arranged at the upper side and the lower side in a suspending way, the drive plates 131 are provided with vertical waist-shaped holes, wherein the vertical waist-shaped hole of the driving plate 131 which is cantilevered upwards is in sliding fit with the guide pin on the swinging rod 51 which is cantilevered upwards, and the vertical waist-shaped hole of the driving plate 131 which is cantilevered downwards is in sliding fit with the guide pin on the swinging rod 51 which is cantilevered downwards; the housing 10 is provided with a linear driving element for driving the sliding rod 13 to slide.
Referring to fig. 10 and 11, in an alternative embodiment of the present invention, the linear driving element includes a screw rod 121 parallel to the sliding rod 13, the screw rod 121 is rotatably connected to the housing 10, the sliding rod 13 is provided with a nut block 132, the nut block 132 forms a threaded fit with the screw rod 121, the screw rod 121 is connected to a spindle of a servo motor 12, and the servo motor 12 and the temperature sensor are connected to an automatic control module.
Referring to fig. 5 and 9, in an alternative embodiment of the present invention, the water collector 40 includes a plurality of V-shaped plates spaced apart from each other in a horizontal direction, and openings of the V-shaped plates are oriented in the same horizontal direction. The water collector 40 can be attached with water mist, and the water mist drops after being condensed on the water collector 40, so that the water resource loss is reduced, and meanwhile, the corrosion of the radiating fins 211 is slowed down.
The specific working process and principle of the invention are as follows:
referring to fig. 6 and 7, when the temperature sensor detects that the temperature of the material is high, for example, the temperature is higher than 120 ℃, the movable door 50 is switched to the state shown by the dotted line in the figure, at this time, the bottom of the first air duct 104 is opened, the water-blocking net 70 is expanded, the auxiliary air inlet 106 is opened, and the air flow passes through the air cooling section 21 to pre-cool the material; when the temperature of the material is low, for example, lower than 80 ℃, please refer to fig. 4, 6, 7, 10, and 11, the servo motor 12 drives the sliding rod 13 to move, the sliding rod 13 drives the movable door 50 to turn over to the solid line state shown in fig. 7 through the swing rod 51, in this process, the swing arm 14 swings upwards under the action of the torsion spring, so as to fold the water-insulating net 70 above the movable door 50, and the wind shield 15 moves along with the swing arm 14, so as to close the auxiliary air inlet 106, at this time, the air flow only flows upwards through the second air duct 105, and the air flow does not pass through the air cooling section 21, so that the air resistance is small; when the temperature of the material rises again, the servo motor 12 drives the sliding rod 13 to move in the reverse direction, the sliding rod 13 switches the movable door 50 to the dotted line state again through the oscillating rod 51, in the process, the movable door 50 pulls the movable stay 141 through the water insulation net 70, the movable stay 141 drives the oscillating arm 14 to oscillate, the wind shield 15 swings along with the oscillating arm 14 to open the auxiliary air inlet 106 again, the water insulation net 70 is unfolded again at the same time, the second air duct 105 is closed at the moment, and the air flow only moves upwards through the first air duct 104, so that the air cooling section 21 is cooled.
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
Claims (10)
1. The composite evaporative air cooler comprises a shell (10) and is characterized in that an air inlet (101) is arranged below the side wall of the shell (10), an air outlet (102) is arranged at the top of the shell (10), and an axial flow fan is arranged in the air outlet (102); further comprising:
the heat exchange tube (20) is positioned in the shell (10), two ends of the heat exchange tube (20) penetrate through the shell (10), the heat exchange tube (20) comprises an air cooling section (21) and a water cooling section (22) which are communicated with each other, the air cooling section (21) is positioned above the water cooling section (22), and the air cooling section (21) is provided with heat dissipation fins (211); a temperature sensor is arranged at the upstream of the liquid inlet of the heat exchange tube (20);
the spray pipe (30) is arranged between the air cooling section (21) and the water cooling section (22) and is used for spraying cooling water to the water cooling section (22);
a water collector (40) positioned between the air cooling section (21) and the spray pipe (30);
the water storage tank (103) is positioned at the bottom of the shell (10), the water storage tank (103) is connected with the spray pipe (30) through a pipeline, and a spray pump (11) is arranged on the pipeline;
a first air duct (104) and a second air duct (105) are arranged at the height of the air cooling section (21), the first air duct (104) and the second air duct (105) are long, the first air duct (104) and the second air duct (105) are arranged in a staggered mode, and the air cooling section (21) is located in the first air duct (104);
the air conditioner is characterized in that a shared wall (60) is arranged between the first air duct (104) and the second air duct (105), a movable door (50) is arranged below the shared wall (60), the upper end of the movable door (50) is hinged to the shell (10), and the movable doors (50) below any two adjacent shared walls (60) are symmetrically opened and closed, so that the first air duct (104) and the second air duct (105) can be switched between the following two stations:
a first station, wherein the lower end of the first air duct (104) is closed by the movable door (50), and the lower end of the second air duct (105) is opened; and
and in the second station, the lower end of the first air duct (104) is opened, and the lower end of the second air duct (105) is closed by the movable door (50).
2. A composite evaporative air cooler according to claim 1, wherein the side wall of the housing (10) below the first air duct (104) and the second air duct (105) is provided with an auxiliary air inlet (106), the auxiliary air inlet (106) is provided with a wind shield (15), the wind shield (15) is movably connected with the shell (10), a linkage mechanism is arranged between the movable door (50) and the wind deflector (15), the linkage mechanism is assembled into a structure that, when the movable door (50) moves from the first station to the second station, the linkage mechanism can drive the wind shield (15) to open the auxiliary air inlet (106), and when the movable door (50) moves from the second station to the first station, the linkage mechanism can drive the wind shield (15) to close the auxiliary air inlet (106).
3. A composite evaporative air cooler according to claim 2, wherein a water-proof net (70) is provided between the two movable doors (50) at both sides of the first air duct (104), and when the two movable doors (50) at both sides of the first air duct (104) open the lower part of the first air duct (104), the water-proof net (70) shields the lower part of the first air duct (104) to prevent part of the water mist from entering the first air duct (104).
4. A hybrid evaporative air cooler according to claim 3, wherein the linkage is further arranged to fold the water screen (70) over the two movable doors (50) on either side of the first air duct (104) when the two movable doors (50) on either side of the first air duct (104) close under the first air duct (104).
5. The composite evaporative air cooler of claim 4, wherein the linkage mechanism comprises swing arms (14) disposed on the side walls of the housing (10) at the two ends of the first air duct (104), two swing arms (14) are disposed at the two ends of each first air duct (104), the two swing arms (14) are respectively hinged to the housing (10), a movable stay bar (141) is disposed at the swing ends of the two swing arms (14), a fixed stay bar (16) is disposed on the housing (10) between the two swing arms (14), the length directions of the movable stay bar (141) and the fixed stay bar (16) are respectively parallel to the length direction of the first air duct (104), the two ends of the water-proof net (70) are respectively connected to the two movable doors (50) below the first air duct (104), the water-proof net (70) respectively bypasses from the upper parts of the two movable support rods (141), and the middle part of the water-proof net (70) bypasses from the lower part of the fixed support rod (16); and a torsional spring is arranged on a hinged shaft of the swing arm (14).
6. The composite evaporative air cooler as recited in claim 5, wherein the auxiliary air inlet (106) is located on a moving path of the movable stay (141), and the wind shield (15) is fixedly connected with the movable stay (141).
7. A composite evaporative air cooler as claimed in claim 6, wherein the outer wall of the housing (10) is provided with a driving mechanism for driving the adjacent movable doors (50) to open and close.
8. The composite evaporative air cooler as claimed in claim 7, wherein the driving mechanism comprises a sliding rod (13) movably disposed along a direction perpendicular to the length of the first air duct (104), and a swinging rod (51) fixedly connected to the rotating shaft of the movable door (50), the swinging rods (51) of two adjacent movable doors (50) respectively overhang at the upper and lower sides of the rotating shaft of the movable door (50), the swinging rod (51) is provided with a guide pin, the sliding rod (13) is provided with a driving plate (131) overhanging at the upper and lower sides, the driving plate (131) is provided with a vertical waist-shaped hole, wherein the vertical waist-shaped hole of the driving plate (131) overhanging upwards forms a sliding fit with the guide pin of the swinging rod (51) overhanging upwards, and the vertical waist-shaped hole of the driving plate (131) overhanging downwards forms a sliding fit with the guide pin of the swinging rod (51) overhanging downwards Combining; the shell (10) is provided with a linear driving element for driving the sliding rod (13) to slide.
9. A composite evaporative air cooler according to claim 8, wherein the linear driving element comprises a screw rod (121) parallel to the sliding rod (13), the screw rod (121) is rotatably connected to the housing (10), the sliding rod (13) is provided with a nut block (132), the nut block (132) is in threaded fit with the screw rod (121), the screw rod (121) is connected to a main shaft of a servo motor (12), and the servo motor (12) and the temperature sensor are connected to an automatic control module.
10. A composite evaporative air cooler as claimed in claim 1, wherein the water collector (40) comprises a plurality of V-shaped plates spaced apart in a horizontal direction, and the openings of the V-shaped plates are oriented in the same horizontal direction.
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| CN202211036442.2A CN115111827B (en) | 2022-08-29 | 2022-08-29 | Compound evaporation formula air cooler |
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| CN115111827B (en) | 2022-11-15 |
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