CN115854465B - Evaporative cooling dehumidifying air conditioning unit adjusting system - Google Patents
Evaporative cooling dehumidifying air conditioning unit adjusting system Download PDFInfo
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- CN115854465B CN115854465B CN202211630875.0A CN202211630875A CN115854465B CN 115854465 B CN115854465 B CN 115854465B CN 202211630875 A CN202211630875 A CN 202211630875A CN 115854465 B CN115854465 B CN 115854465B
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention relates to the technical field of air conditioning units, in particular to an evaporative cooling dehumidifying air conditioning unit adjusting system which comprises a fresh air channel, an air supply channel, an air return channel, an air exhaust channel and a four-way block, wherein the fresh air channel is communicated with the air supply channel and the air return channel is communicated with the air exhaust channel through the four-way block, an openable and closable air door is arranged between the air return channel and the fresh air channel, the air door is connected with a driving piece, the air return channel is provided with a carbon dioxide concentration sensor, and the carbon dioxide concentration sensor controls the driving piece to operate.
Description
Technical Field
The invention relates to the technical field of air conditioning units, in particular to an evaporative cooling dehumidifying air conditioning unit adjusting system.
Background
The air conditioning unit, also called air processing unit, is a centralized air processing system for regulating indoor air temperature, humidity and cleanliness, and is mainly used in large and medium-sized buildings such as hotel meal points, luxury commercial facilities, sports entertainment centers, large-scale industry, medicine and health sites and the like. The conventional air conditioning unit is a combined air conditioning unit, which comprises a plurality of sections, wherein the sections are assembled in a modularized mode after being manufactured by a factory, the assembly sections generally comprise a mixing section, a filtering section, a surface cooling section, a fan section, a heating section, a humidifying section, a heat recovery section, a maintenance section and the like, and key components comprise a panel, a frame, an air conditioning fan, a coil, a filter, a humidifier, a sterilizing and disinfecting device and the like.
Generally, the combined air conditioning unit is provided with four wind gaps at least, and comprises a fresh air gap, an air supply gap, an air return gap and an air outlet, wherein the fresh air gap is used for supplementing fresh air into the air conditioning unit, fresh air is further provided for the room, the air supply gap is used for providing air with good temperature, humidity and cleanliness for the room, the air return gap is used for sending the indoor air into the air conditioning unit, and finally the air is discharged to the outside through the air outlet, so that air circulation is realized. In order to improve the energy use efficiency, the return air temperature needs to be utilized, namely, the return air temperature is recovered, one mode is to enable the fresh air and the return air to exchange heat, enable the return air temperature to be transferred to the fresh air, and the other mode is to enable a part of the return air to be mixed into the fresh air and be returned to the room again.
The two temperature recovery modes are beneficial and disadvantageous, more fresh air can be guaranteed to be sent into a room through heat exchange, air freshness is guaranteed, but the air speed is generally high, the heat exchange time is short, and compared with the mode of mixing and recycling fresh air and return air, the recovery efficiency of heat exchange is often low. Therefore, how to combine and use the two temperature recovery methods to fully exhibit the advantages of the two methods is an urgent problem to be solved.
Disclosure of Invention
In order to combine and utilize the two temperature recovery modes and fully bring respective advantages into play, the application provides an evaporative cooling dehumidifying air conditioning unit adjusting system which can automatically adjust the temperature recovery mode according to indoor environment conditions.
The invention provides an evaporative cooling dehumidifying air conditioning unit adjusting system which adopts the following technical scheme:
the utility model provides an evaporative cooling dehumidification air conditioning unit governing system, includes new trend passageway, air supply passageway, return air passageway, exhaust passageway and cross piece, new trend passageway with between the air supply passageway return air passageway with all pass through between the passageway of airing exhaust the cross piece intercommunication, return air passageway with be equipped with the air door that can open and close between the new trend passageway, the air door is connected with the driving piece, return air passageway is provided with carbon dioxide concentration sensor, carbon dioxide concentration sensor control the driving piece operation.
Preferably, the air door comprises a door frame and a door plate, the driving piece controls the door plate of the air door to open into the fresh air channel, an extension plate is arranged in the door plate in a telescopic manner, and the extension plate can synchronously extend along with the opening of the air door and synchronously retract along with the closing of the air door.
Preferably, the four-way block is provided with a plurality of first air inlets for communicating the return air channels, the four-way block is movably provided with a windshield, the windshield can open or close part of the first air inlets, the windshield can gradually close part of the first air inlets along with the opening of the air door and can gradually open part of the first air inlets along with the closing of the air door.
Preferably, the adjustment system is a double-layer system, the exhaust channel with set up adjacently between the air supply channel and all be located the lower floor, fresh air channel with set up adjacently between the return air channel and all be located the upper strata, fresh air channel is located exhaust air channel's top, return air channel is located air supply channel's top, the cross piece is the rectangle piece, the cross piece is located the intersection of four passageways, four wherein faces of cross piece face four channels of orientation respectively one-to-one, first air intake set up in the orientation of cross piece the one side of return air channel, just the orientation of cross piece the one side of exhaust air channel has been seted up first air outlet, the orientation of cross piece the one side of fresh air channel has been seted up the second air intake, the second air outlet has been seted up to the one side of cross piece towards the air supply channel, the cavity has been seted up in the cross piece, the structure has the tuber pipe in the cavity, first air intake with communicate through between the first air outlet, the second air intake communicates through between the second air intake and the second air outlet.
Preferably, the air door is configured at the top of the four-way block, the top of the door plate is hinged to the inner side of the top of the door frame, the rotation axis of the door plate is a horizontal line, the driving piece is an air cylinder, and two ends of the air cylinder are respectively hinged to the door plate and the return air channel; the bottom of door plant has been seted up flexible groove, extension board activity set up in the door plant flexible inslot, the orientation of door plant the spout has been seted up to the one side of new trend passageway, the spout with flexible groove intercommunication, the length direction of spout with extension board's flexible direction is parallel, extension board structure has the slider, the slider slide set up in the spout, the slider with be connected with first connecting rod between the top of new trend passageway, the both ends of first connecting rod articulate respectively in the slider with the top of new trend passageway.
Preferably, the windshield slides and sets up the orientation of cross piece the one side of return air passageway, the process of upwards sliding of windshield is the opening part the process of first air intake, the process of downwards sliding of windshield is the closing part the process of first air intake, the windshield with be connected with second connecting rod, third connecting rod, fourth connecting rod and fifth connecting rod between the door plant of air door, the fifth connecting rod is provided with two, two the fifth connecting rod is parallel to each other, two the lower extreme of fifth connecting rod all is connected the upper end of windshield, the fourth connecting rod is provided with two, two the fourth connecting rod all rotate set up in the orientation of cross piece the one side of return air passageway, two the fourth connecting rod is located two between the fifth connecting rod, two the one end of fourth connecting rod respectively one-to-one be connected in the upper end of two the fifth connecting rod, the tip of fourth connecting rod with the tip of fifth connecting rod is connected in a sliding connection, two the tip of fourth connecting rod with the same upper end of fourth connecting rod with the third connecting rod, the tip of the same end of fourth connecting rod is connected in a sliding connection.
Preferably, the first air inlets are provided with a plurality of rows from bottom to top, the windshield comprises a first baffle and a second baffle which are connected with each other, and the first baffle and the second baffle are used for opening and closing two rows of first air inlets at the lowest.
Preferably, the return air channel is divided into a narrow channel and a wide channel in turn along the return air direction, the inner top surface of the narrow channel is lower than the inner top surface of the wide channel, the inner top surface of the wide channel is positioned above the four-way block, and the air door is positioned between the inner top surface of the wide channel and the top of the four-way block.
Preferably, a preheating section is arranged in the fresh air channel, and the preheating section can preheat fresh air.
Preferably, the outer wall of the air pipe is corrugated.
The beneficial effects of the invention are as follows:
1. the carbon dioxide concentration in the return air channel is the concentration of indoor carbon dioxide, so that the carbon dioxide sensor in the return air channel can monitor the indoor carbon dioxide concentration, and the air conditioning unit is adjusted according to the indoor environmental condition; when the indoor carbon dioxide concentration is lower, the driving part controls the air door to be opened, at the moment, part of return air can pass through the air door and is mixed with fresh air, so that part of return air can flow back into the air supply channel, the other part of return air can pass through the four-way block and is subjected to heat exchange with the fresh air, and finally, the part of return air is discharged through the air exhaust channel, and the temperature in the return air can be effectively recovered by combining the heat exchange temperature recovery and the mixed air temperature recovery modes in the process; when the concentration of the indoor carbon dioxide is higher, the driving piece controls the air door to be closed, at the moment, all return air can only pass through the four-way block and exchange heat with fresh air, and finally all return air is discharged through the exhaust channel, so that the air fed into the room is fresh air, thereby reducing the concentration of the indoor carbon dioxide and improving the indoor environment condition;
2. after the door plate of the air door is opened into the fresh air channel, the door plate can guide the return air passing through the door frame to enable the return air to flow obliquely downwards, the flowing force of the return air can be divided into horizontal flowing force and vertical flowing force, and before the four-way block, the whole flowing direction of the fresh air is horizontal, so that the horizontal flowing force direction of the return air is opposite to the whole flowing direction of the fresh air, the opposite flushing of the return air and the fresh air is realized in the horizontal direction, the air mixing effect is improved, the vertical flowing force direction of the return air is vertical to the whole flowing direction of the fresh air, the flowing direction of the fresh air is changed, the fresh air flows obliquely downwards, and the fresh air is convenient to enter the four-way block;
3. after the door plate of the air door is opened into the fresh air channel, the door plate can also play a blocking effect on fresh air, so that the fresh air is prevented from entering the return air channel easily through the door frame of the air door, the waste of the fresh air is reduced, the extension plate at the bottom of the door plate can also extend downwards in the opening process of the door plate, and the blocking effect of the door plate on the fresh air is improved;
4. after the air door is opened, the air door can plug the first air inlets of the two lowest rows, so that the return air at the bottom in the return air channel is prevented from entering the four-way block through the first air inlets of the two lowest rows, after the air door is plugged, the return air at the bottom flows upwards along one surface of the four-way block to form larger climbing force, and further the return air at the top is driven to flow upwards, so that more return air passes through the air door;
5. the opening of the air door, the expansion and contraction of the expansion plate and the movement of the windshield are all driven by the same driving piece, so that synchronous response can be realized among the three actions.
Drawings
FIG. 1 is an internal block diagram of a damper set adjustment system in accordance with an embodiment of the present application when the damper is closed;
FIG. 2 is a schematic diagram of the four-way block of FIG. 1;
FIG. 3 is an internal block diagram of the air conditioning pack adjustment system after the damper is opened in an embodiment of the present application;
FIG. 4 is a schematic diagram of the structure at the damper of the air conditioning pack adjustment system in an embodiment of the present application;
fig. 5 is a schematic view of the structure at the windshield of the air conditioning pack adjustment system in an embodiment of the present application.
Reference numerals illustrate: 1. a fresh air channel; 11. a new wind gap; 12. a preheating section; 2. an air supply channel; 21. a cooling section; 22. a maintenance section; 23. a heating section; 24. a humidification section; 25. a first fan section; 26. a filtering section; 27. an air supply port; 3. a return air channel; 31. an air return port; 4. an exhaust passage; 41. a second fan section; 42. an air outlet; 5. a four-way block; 51. a first air inlet; 52. a first air outlet; 53. a second air inlet; 54. a second air outlet; 55. a cavity; 56. an air duct; 6. a cylinder; 7. a damper; 71. a door frame; 72. a door panel; 73. an extension plate; 74. a telescopic slot; 75. a chute; 76. a slide block; 8. a windshield; 81. a first baffle; 82. a second baffle; 91. a first link; 92. a second link; 93. a third link; 94. a fourth link; 95. and a fifth connecting rod.
Detailed Description
The invention will be further described with reference to figures 1-5 and examples.
The embodiment discloses an evaporative cooling dehumidifying air conditioning unit adjusting system.
Referring to fig. 1, the evaporative cooling dehumidifying air conditioning unit adjusting system comprises a fresh air channel 1, an air supply channel 2, a return air channel 3, an air exhaust channel 4 and a four-way block 5, wherein the fresh air channel 1, the air supply channel 2, the return air channel 3 and the air exhaust channel 4 are all rectangular channels, the four-way block 5 is a rectangular block, and the fresh air channel 1 is communicated with the air supply channel 2 and the return air channel 3 is communicated with the air exhaust channel 4 through the four-way block 5.
Referring to fig. 1, the adjusting system is a double-layer system, the exhaust channel 4 and the air supply channel 2 are adjacently arranged and are all located at the lower layer, the fresh air channel 1 and the return air channel 3 are adjacently arranged and are all located at the upper layer, the fresh air channel 1 is located above the exhaust channel 4, the return air channel 3 is located above the air supply channel 2, and the four-way block 5 is located at the junction of the four channels. Specifically, the air supply channel 2 has set gradually cooling section 21, maintenance section 22, heating section 23, humidification section 24, first fan section 25 and filter section 26 along the air supply direction, is provided with preheating section 12 in the fresh air channel 1, is provided with second fan section 41 in the exhaust channel 4, and first fan section 25 is used for forming the air flow between fresh air channel 1 and air supply channel 2 for in the outdoor air can mend fresh air channel 1, and send the air in the air supply channel 2 indoor. The cooling section 21 is used for cooling the air in the air supply channel 2, the overhauling section 22 is used for overhauling front and rear sections, the heating section 23 is used for heating the air in the air supply channel 2, the humidifying section 24 is used for humidifying the air in the air supply channel 2, the filtering section 26 is used for filtering the air in the air supply channel 2, the cooling section 21, the heating section 23 and the humidifying section 24 are used for being opened or closed according to environmental requirements, for example, the heating section 23 is opened when the temperature is lower, the cooling section 21 is opened when the temperature is higher, and the humidifying section 24 is opened when the humidity is lower. The second fan section 41 is used to create air flow between the return air duct 3 and the exhaust air duct 4, to allow indoor air to enter the return air duct 3, and to exhaust air in the exhaust air duct 4 to the outside. The preheating section 12 can preheat the fresh air, and when the temperature is lower in winter, the preheating section 12 can preheat the fresh air, so that the low-temperature fresh air can be prevented from freezing and damaging parts of the air conditioning unit.
Referring to fig. 1, the outer end of the air supply channel 2 is communicated with an air supply port 27, the outer end of the fresh air channel 1 is communicated with a fresh air port 11, the outer end of the return air channel 3 is communicated with a return air port 31, the outer end of the air exhaust channel 4 is communicated with an air outlet 42, and the air supply port 27, the fresh air port 11, the return air port 31 and the fresh air port 11 are all provided with air valves for controlling the ventilation volume.
Referring to fig. 1 and 2, four of the four sides of the four-way block 5 face four channels in a one-to-one correspondence, one side of the four-way block 5 facing the return air channel 3 is provided with a first air inlet 51, one side of the four-way block 5 facing the exhaust air channel 4 is provided with a first air outlet 52, one side of the four-way block 5 facing the fresh air channel 1 is provided with a second air inlet 53, one side of the four-way block 5 facing the supply air channel 2 is provided with a second air outlet 54, a cavity 55 is formed in the four-way block 5, an air pipe 56 is constructed in the cavity 55 of the four-way block 5, the first air inlet 51 is communicated with the first air outlet 52 through the air pipe 56, the second air inlet 53 is communicated with the second air outlet 54 through the cavity 55, and the heat exchange process is as follows: the air in the return air channel 3 flows through the four-way block 5 through the first air inlet 51, the air pipe 56 and the first air outlet 52, the air in the fresh air channel 1 flows through the four-way block 5 through the second air inlet 53, the cavity 55 and the second air outlet 54, and the air pipe 56 and the cavity 55 are isolated from each other, so that the fresh air and the return air perform heat exchange in the four-way block 5 in a non-contact manner. Specifically, the air pipes 56 in the four-way block 5 are provided with a plurality of air pipes, and the first air inlet 51, the first air outlet 52, the second air inlet 53 and the second air outlet 54 are all provided with a plurality of rows from bottom to top on each surface, so as to improve the air quantity when the fresh air and the return air exchange heat in the four-way block 5. Further, the outer wall of the air duct 56 is corrugated, so that the contact area between the fresh air in the cavity 55 of the four-way block 5 and the outer wall of the air duct 56 can be increased, and the heat exchange efficiency is improved.
Referring to fig. 1 to 3, an openable and closable air door 7 is arranged between the air return channel 3 and the fresh air channel 1, when the air door 7 is opened, the air return channel 3 is communicated with the fresh air channel 1, and when the air door 7 is closed, the air return channel 3 is stopped from being communicated with the fresh air channel 1. The air door 7 is located the top of cross piece 5, and air door 7 is connected with the driving piece, and return air passageway 3 is provided with carbon dioxide concentration sensor, and carbon dioxide sensor electricity is connected with the controller, and the driving piece is connected to the controller electricity for carbon dioxide concentration sensor can control the driving piece operation. The carbon dioxide concentration in the return air channel 3 is the concentration of indoor carbon dioxide, so that the carbon dioxide sensor in the return air channel 3 can monitor the indoor carbon dioxide concentration, and the air conditioning unit is adjusted according to the indoor environmental condition. When the indoor carbon dioxide concentration is lower, driving piece control air door 7 opens, and part return air can pass through air door 7 and mix with the new trend this moment, and in return air after mixing with the new trend can flow back to air supply channel 2, and another part return air can pass four way block 5 and carry out the heat exchange with the new trend, and the return air after the last heat exchange is discharged through exhaust channel 4, combines together through the mode of heat exchange temperature recovery and mixing wind temperature recovery at this in-process, can retrieve the temperature in the return air effectively. When the concentration of the indoor carbon dioxide is higher, the driving piece controls the air door 7 to be closed, at the moment, all return air can only pass through the four-way block 5 and exchange heat with fresh air, and finally all return air is discharged through the exhaust channel 4, so that the air fed into the room is fresh air, the indoor carbon dioxide concentration is gradually reduced, and the indoor environment condition is improved.
Referring to fig. 1 to 4, the damper 7 includes a door frame 71 and a door plate 72, the driving member controls the door plate 72 of the damper 7 to open into the fresh air duct 1, specifically, the door frame 71 is located at the top of the four-way block 5, the top of the door plate 72 is hinged to the inner side of the top of the door frame 71, and the rotation axis of the door plate 72 is horizontal, so that the opening process of the door plate 72 is an upward turning process, and the closing process of the door plate 72 is a downward turning process. The driving piece that control air door 7 was opened and close is cylinder 6, and cylinder 6 connects between door plant 72 and the top of return air passageway 3, and cylinder 6 includes cylinder body and telescopic link, and the cylinder body of cylinder 6 articulates in the top of return air passageway 3, and the telescopic link of cylinder 6 articulates in door plant 72, and the articulated axis of the cylinder body of cylinder 6 and the articulated axis of the telescopic link of cylinder 6 are the horizontal line, and the articulated axis of the cylinder body of cylinder 6 and the articulated axis of the telescopic link of cylinder 6 are parallel to each other, can control door plant 72 to turn upwards when the telescopic link of cylinder 6 stretches, can control door plant 72 to turn downwards when the telescopic link of cylinder 6 is retracted to the cylinder body. After the door plate 72 of the air door 7 is opened in the fresh air channel 1, the door plate 72 can guide the return air passing through the door frame 71, so that the return air can flow obliquely downwards, the flowing force of the return air can be divided into horizontal flowing force and vertical flowing force, and before the four-way block 5, the whole flowing direction of the fresh air is horizontal, so that the horizontal flowing force direction of the return air is opposite to the whole flowing direction of the fresh air, the opposite flushing of the return air and the fresh air is realized in the horizontal direction, the air mixing effect is improved, the vertical flowing force direction of the return air is vertical to the whole flowing direction of the fresh air, the flowing direction of the return air is changed, the fresh air obliquely downwards flows, and the fresh air is convenient to enter the four-way block 5.
Referring to fig. 1 to 4, after the door plate 72 of the air door 7 is opened into the fresh air channel 1, the door plate 72 can also play a blocking effect on fresh air, so that fresh air is prevented from entering the return air channel 3 through the door frame 71 of the air door 7 easily, waste of fresh air is reduced, further, the bottom of the door plate 72 is provided with an extension plate 73 in a telescopic manner, the extension plate 73 can extend synchronously along with opening of the air door 7 and retract synchronously along with closing of the air door 7, and the blocking effect of the door plate 72 on fresh air can be improved after the extension plate 73 extends. Specifically, the bottom of door plant 72 has seted up flexible groove 74, and extension board 73 activity sets up in the flexible inslot 74 of door plant 72, and spout 75 has been seted up to the one side of door plant 72 towards fresh air channel 1, spout 75 and flexible groove 74 intercommunication, and the bottom of door plant 72 is run through to the one end of spout 75, and the length direction of spout 75 is parallel with the flexible direction of extension board 73, and extension board 73 has constructed slider 76, and slider 76 slides and sets up in spout 75. The first connecting rod 91 is connected between the slider 76 and the top of the fresh air channel 1, two ends of the first connecting rod 91 are respectively hinged to the slider 76 and the top of the fresh air channel 1, the hinge axes of the two hinge ends of the first connecting rod 91 are horizontal lines and parallel to each other, and further, the hinge axes of the two hinge ends of the first connecting rod 91 are parallel to the hinge axis of the cylinder body of the cylinder 6 and the hinge axis of the telescopic rod of the cylinder 6, so that the extension plate 73 gradually extends out from the bottom of the door plate 72 in the process of controlling the door plate 72 to be opened by the cylinder 6, and the extension plate 73 gradually retracts into the door plate 72 in the process of controlling the door plate 72 to be closed by the cylinder 6, so that linkage between the door plate 72 and the extension plate 73 is realized.
Referring to fig. 1 and 5, a damper 8 is movably disposed on one surface of the four-way block 5 where the first air inlet 51 is disposed, the damper 8 may open or close a portion of the first air inlet 51, the damper 8 may gradually close a portion of the first air inlet 51 following the opening of the damper 7 and may gradually open a portion of the first air inlet 51 following the closing of the damper 7, when the damper 7 is opened and the damper 8 closes a portion of the first air inlet 51, return air entering the four-way block 5 may be reduced, so that more return air passes through the damper 7. Specifically, the damper 8 is slidably disposed on the face of the four-way block 5 facing the return air channel 3, the upward sliding process of the damper 8 is the process of opening part of the first air inlet 51, the downward sliding process of the damper 8 is the process of closing part of the first air inlet 51, a second connecting rod 92, a third connecting rod 93, a fourth connecting rod 94 and a fifth connecting rod 95 are connected between the damper 8 and the door plate 72 of the damper 7, the two fifth connecting rods 95 are parallel to each other, the lower ends of the two fifth connecting rods 95 are fixedly connected to the upper end of the damper 8, the fourth connecting rod 94 is provided with two, the two fourth connecting rods 94 are all rotatably disposed on the face of the four-way block 5 facing the return air channel 3, the rotation axis is perpendicular to the face, the two fourth connecting rods 94 are located between the two fifth connecting rods 95, one end of the two fourth connecting rods 94 are correspondingly connected to the upper ends of the two fifth connecting rods 95, the end of the fourth connecting rods 94 are rotatably connected with the end of the fifth connecting rods 95, the other end of the fourth connecting rods 94 are rotatably connected with the end of the fifth connecting rods 95, the other end of the fourth connecting rods 94 are connected with the end of the cylinder 92 of the fourth connecting rods 94, and the end of the cylinder 92 of the fourth connecting rods 92 is parallel to the lower end of the fourth connecting rods 92 of the fourth connecting rods 6, and the end of the cylinder 92 is parallel to the upper end of the fourth connecting rods 92 of the fourth connecting rods 6 are connected to the end of the cylinder 92 of the fourth connecting rods 6 are parallel to the end of the cylinder 92, and the end of the fourth connecting rods is 6 is hinged to the end of the fourth connecting rod is 6 is hinged to the end is, the third connecting rod 93, the fourth connecting rod 94 and the fifth connecting rod 95 control the windshield 8 to move downwards so as to block part of the first air inlet 51, and when the air cylinder 6 controls the door plate 72 to be closed, the door plate 72 opens part of the first air inlet 51 through the second connecting rod 92, the third connecting rod 93, the fourth connecting rod 94 and the fifth connecting rod 95, so that linkage between the door plate 72 of the air door 7 and the windshield 8 is realized. In this embodiment, the opening of the damper 7, the expansion and contraction of the extension plate 73, and the movement of the damper 8 are all driven by the same cylinder 6, so that three actions can be responded synchronously.
Referring to fig. 1 and 5, the damper 8 includes a first baffle 81 and a second baffle 82 that are connected to each other, and the first baffle 81 and the second baffle 82 are used for opening and closing two rows of first air inlets 51 at the lowest, so that after the damper 7 is opened, the damper 8 can block the first air inlets 51 at the lowest two rows, thereby avoiding that the return air at the bottom in the return air channel 3 enters the four-way block 5 through the first air inlets 51 at the lowest two rows, after blocking, the return air at the bottom flows upwards along one surface of the four-way block 5 to form a larger climbing force, and then drives the return air at the top to flow upwards, so that more return air passes through the damper 7. Further, the return air channel 3 is divided into a narrow channel and a wide channel in turn along the return air direction, the inner top surface of the narrow channel is lower than the inner top surface of the wide channel, the inner top surface of the wide channel is positioned above the four-way block 5, and the air door 7 is positioned between the inner top surface of the wide channel and the top of the four-way block 5.
The foregoing are preferred embodiments of the present invention, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. An evaporative cooling dehumidification air conditioning unit adjustment system which is characterized in that: the novel air conditioner comprises a fresh air channel (1), an air supply channel (2), an air return channel (3), an air exhaust channel (4) and a four-way block (5), wherein the fresh air channel (1) is communicated with the air supply channel (2), the air return channel (3) is communicated with the air exhaust channel (4) through the four-way block (5), an openable and closable air door (7) is arranged between the air return channel (3) and the fresh air channel (1), the air door (7) is connected with a driving piece, the air return channel (3) is provided with a carbon dioxide concentration sensor, and the carbon dioxide concentration sensor controls the driving piece to operate;
the air door (7) comprises a door frame (71) and a door plate (72), the driving piece controls the door plate (72) of the air door (7) to open into the fresh air channel (1), an extension plate (73) is arranged in the door plate (72) in a telescopic manner, and the extension plate (73) can synchronously extend along with the opening of the air door (7) and synchronously retract along with the closing of the air door (7);
the four-way block (5) is provided with a plurality of first air inlets (51) for communicating the return air channels (3), the four-way block (5) is movably provided with a windshield (8), the windshield (8) can be opened or closed to partially open the first air inlets (51), the windshield (8) can be opened along with the opening of the air door (7) to gradually close partially the first air inlets (51) and can be closed along with the closing of the air door (7) to gradually open partially the first air inlets (51);
the fresh air channel (1) is internally provided with a preheating section (12), and the preheating section (12) can preheat fresh air.
2. The evaporative cooling dehumidification air conditioning unit adjustment system of claim 1, wherein: the regulating system is a double-layer system, the exhaust channels (4) and the air supply channels (2) are adjacently arranged and are all located at the lower layer, the fresh air channels (1) and the return air channels (3) are adjacently arranged and are all located at the upper layer, the fresh air channels (1) are located above the exhaust channels (4), the return air channels (3) are located above the air supply channels (2), the four-way blocks (5) are rectangular blocks, the four sides of the four-way blocks (5) are located at the junction of the four channels, the four sides of the four-way blocks (5) face towards the four channels in a one-to-one correspondence manner respectively, the first air inlets (51) are formed in the sides of the four-way blocks (5) face the return air channels (3), the sides of the four-way blocks (5) face the exhaust channels (4) to form first air outlets (52), the sides of the four-way blocks (5) face the air supply channels (1) to form second air inlets (53), the four-way blocks (5) face the four-way blocks (5) to form a cavity (56), the air inlets (55) are formed in the four-way blocks (55) and the cavity (55), the second air inlet (53) and the second air outlet (54) are communicated through the cavity (55).
3. An evaporative cooling dehumidification air conditioning unit conditioning system as defined in claim 2, wherein: the air door (7) is constructed at the top of the four-way block (5), the top of the door plate (72) is hinged to the inner side of the top of the door frame (71), the rotation axis of the door plate (72) is a horizontal line, the driving piece is an air cylinder (6), and two ends of the air cylinder (6) are respectively hinged to the door plate (72) and the return air channel (3); the bottom of door plant (72) has seted up expansion groove (74), extension board (73) activity set up in expansion groove (74) of door plant (72), the orientation of door plant (72) spout (75) have been seted up to the one side of new trend passageway (1), spout (75) with expansion groove (74) intercommunication, the length direction of spout (75) with extension direction of extension board (73) is parallel, extension board (73) is constructed with slider (76), slider (76) slip set up in spout (75), slider (76) with be connected with first connecting rod (91) between the top of new trend passageway (1), the both ends of first connecting rod (91) articulate respectively in slider (76) with the top of new trend passageway (1).
4. An evaporative cooling dehumidification air conditioning unit conditioning system as defined in claim 3, wherein: the air damper (8) is slidably arranged on one surface of the four-way block (5) facing the air return channel (3), the upward sliding process of the air damper (8) is a process of opening part of the first air inlet (51), the downward sliding process of the air damper (8) is a process of closing part of the first air inlet (51), a second connecting rod (92), a third connecting rod (93), a fourth connecting rod (94) and a fifth connecting rod (95) are connected between the door plate (72) of the air damper (7) and the air damper (8), the fifth connecting rod (95) is provided with two fifth connecting rods (95) which are parallel to each other, the lower ends of the two fifth connecting rods (95) are connected to the upper ends of the air damper (8), the four connecting rods (94) are provided with two, the two fourth connecting rods (94) are rotatably arranged on one surface of the four-way block (5) facing the air return channel (3), the two fifth connecting rods (95) are rotatably connected to the upper ends of the fifth connecting rod (95) respectively, the other ends of the two fourth connecting rods (94) are connected with the lower ends of the same third connecting rods (93), the end parts of the fourth connecting rods (94) are rotationally connected with the end parts of the third connecting rods (93) and are in sliding connection, the upper ends of the third connecting rods (93) are hinged with the lower ends of the second connecting rods (92), and the upper ends of the second connecting rods (92) are hinged with the door plate (72) of the air door (7).
5. The evaporative cooling dehumidification air conditioning unit adjustment system of claim 4, wherein: the first air inlets (51) are provided with a plurality of rows from bottom to top, the windshield (8) comprises a first baffle (81) and a second baffle (82) which are connected with each other, and the first baffle (81) and the second baffle (82) are used for opening and closing two rows of first air inlets (51) at the lowest part.
6. The evaporative cooling dehumidification air conditioning unit adjustment system of claim 5, wherein: the air return channel (3) is sequentially divided into a narrow channel and a wide channel along the air return direction, the inner top surface of the narrow channel is lower than the inner top surface of the wide channel, the inner top surface of the wide channel is positioned above the four-way block (5), and the air door (7) is positioned between the inner top surface of the wide channel and the top of the four-way block (5).
7. An evaporative cooling dehumidification air conditioning unit conditioning system as defined in claim 2, wherein: the outer wall of the air pipe (56) is corrugated.
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| CN202211630875.0A CN115854465B (en) | 2022-12-19 | 2022-12-19 | Evaporative cooling dehumidifying air conditioning unit adjusting system |
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| CN115854465B true CN115854465B (en) | 2023-07-04 |
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| CN115854465A (en) | 2023-03-28 |
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