CN114777219B - Air treatment unit with adjustable cooling coil - Google Patents
Air treatment unit with adjustable cooling coil Download PDFInfo
- Publication number
- CN114777219B CN114777219B CN202210514992.4A CN202210514992A CN114777219B CN 114777219 B CN114777219 B CN 114777219B CN 202210514992 A CN202210514992 A CN 202210514992A CN 114777219 B CN114777219 B CN 114777219B
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- China
- Prior art keywords
- box
- belt pulley
- cooling coil
- fixedly connected
- heating coil
- Prior art date
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
Abstract
The invention discloses an air treatment unit with an adjustable cooling coil, which comprises a box body, wherein the cooling coil is arranged between the top and the bottom of the inner wall of the box body, and a heating coil is arranged between the top and the bottom of the inner wall of the box body and positioned at one side of the cooling coil. This cooling coil adjustable air handling unit is provided with cooling coil through between the top of box inner wall and the bottom, sets up cooling coil and heating coil to T type state, when using cooling coil, just can the vertical setting of heating coil, when using heating coil, just can reduce to a certain extent the blocking of ventilation air to inside box, make the conveying effect of hot-blast or cold wind better, when adjusting cooling coil or heating coil, the coil that does not use will be under dust collection structure and the work of blowing structure, clear up the dust of its surface.
Description
Technical Field
The invention relates to the technical field of air treatment units, in particular to an air treatment unit with an adjustable cooling coil.
Background
The air handling unit is a centralized air handling system, which originates from a centralized equipment set, a forced hot air heating and ventilation system for distributing heated air through an air duct, the basic centralized system is an all-air single-area system, generally comprising fan, heater, cooler and filter components, the AHU referred to herein is a primary return air system, the basic working process of which is: after the outdoor fresh air is mixed with a part of indoor return air, harmful substances such as dust, smoke dust, black smoke, organic particles and the like in the air are filtered out through a filter.
When the air treatment unit is used in winter, the heating coil is only used under most conditions, the cooling coil is generally used in summer, and when the cooling coil is not used, the cooling coil can block air entering the unit to a certain extent, so that the air speed circulating in the unit box is weakened, and the conveying of hot air quantity is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an air treatment unit with an adjustable cooling coil, which solves the problems that when the cooling coil is not used, the air entering the unit is blocked to a certain extent, the air speed circulating in the unit box is weakened, and the conveying of hot air quantity is influenced.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an adjustable air handling unit of cooling coil, includes the box, be provided with cooling coil between the top and the bottom of box inner wall, be provided with heating coil between the top and the bottom of box inner wall and be located one side of cooling coil, the top of box just is located the top of cooling coil and heating coil and all fixedly connected with dust extraction structure to the bottom of box just is located the below of cooling coil and heating coil all fixedly connected with blast structure;
the dust collection structure comprises a top box, the equal fixedly connected with roof in top of top box, cooling coil and heating coil's top to the top fixedly connected with montant of roof, the top of montant runs through top box and collecting box and extends to the top of collecting box, the equal rotation in both sides between top inner wall top and the bottom of top box is connected with first threaded rod to the equal threaded connection in surface of two first threaded rods has first slider, two fixedly connected with first square frame between the opposite one side of first slider, the structure of blowing includes the base box, the equal rotation in both sides between base box inner wall portion and the bottom is connected with the second threaded rod to the equal threaded connection in surface of two second threaded rods has the second slider, two fixedly connected with second square frame between the opposite one side of second slider, the equal fixedly connected with bottom plate in bottom of cooling coil and heating coil, the bottom fixedly connected with dead lever of bottom plate, the bottom of dead lever rotates with the bottom of base inner wall.
Preferably, the surface of montant and be located the inside fixedly connected with first double belt wheel of top case, the top fixedly connected with first belt pulley of first threaded rod surface, be connected through first belt transmission between the surface of first double belt wheel and first belt pulley.
Preferably, the bottom intercommunication of first back type frame has the exhaust column to one side fixedly connected with air exhauster at collecting box inner wall top, the one end intercommunication of air exhauster air intake has first hose, and the top intercommunication of first back type frame has first U type pipe, the bottom of first hose is linked together with the top on first U type pipe surface.
Preferably, the surface of the fixing rod is fixedly connected with a second double belt pulley which is positioned in the bottom box, the top of the surface of the second threaded rod is fixedly connected with a second belt pulley, and the surfaces of the second double belt pulley and the second belt pulley are in transmission connection through a second belt.
Preferably, the air outlet of the exhaust fan is communicated with a discharge pipe, one side of the collecting box is provided with a sealing door, and an air inlet groove is formed in the joint of the top of the box body and the top box.
Preferably, the bottom of second return type frame intercommunication has the second U type pipe to one side fixedly connected with fan of base box, the air outlet intercommunication of fan has the second hose, and the one end of second hose is linked together with the bottom on second U type pipe surface, the air-out groove has been seted up to the junction of the bottom of box and base box, the air outlet has been seted up at the top of second return type frame.
Preferably, the motor is fixedly connected between the two top boxes through the mounting plate, the output end of the motor is fixedly connected with the third belt pulley, one ends of the two vertical rods extending to the top of the collecting box are fixedly connected with the fourth belt pulley, and the surfaces of the third belt pulley and the fourth belt pulley are in transmission connection through the third belt.
Advantageous effects
The invention provides an air treatment unit with an adjustable cooling coil. Compared with the prior art, the method has the following beneficial effects:
(1) This cooling coil adjustable air handling unit is provided with cooling coil through between the top of box inner wall and the bottom, just be located one side of cooling coil between the top of box inner wall and the bottom and be provided with heating coil, the top of box just is located the equal fixedly connected with dust extraction of top of cooling coil and heating coil, and the bottom of box just is located the equal fixedly connected with blast structure of below of cooling coil and heating coil, set up cooling coil and heating coil into T type state, when using cooling coil, just can the vertical setting of heating coil, just when using heating coil, just can reduce the vertical setting of cooling coil to a certain extent and circulate the blocking of air to inside box, make the conveying effect of hot-blast or cold wind better.
(2) This cooling coil adjustable air handling unit includes the roof box through dust extraction, the equal fixedly connected with collecting box in top of roof box, cooling coil and heating coil's top is equal fixedly connected with roof, and the top fixedly connected with montant of roof, the top of montant runs through roof box and collecting box and extends to the top of collecting box, the both sides between roof box inner wall top and the bottom all rotate and are connected with first threaded rod, and the equal threaded connection in surface of two first threaded rods has first slider, the first round frame of fixedly connected with between the opposite one side of two first sliders, the structure of blowing includes the base box, both sides between base box inner wall portion and the bottom all rotate and are connected with the second threaded rod, and the equal threaded connection in surface of two second threaded rods has the second slider, the equal fixedly connected with second round frame in bottom of two relative one sides of second slider, the bottom of cooling coil and heating coil's bottom is fixed lever, the bottom of dead lever rotates with the bottom of base box inner wall and is connected, when adjusting cooling coil or heating coil, will not carry out the coil pipe that uses, the dust extraction structure and the work of blowing down the surface of its dust clearance.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a perspective view of a first mold frame structure according to the present invention;
FIG. 4 is a perspective view of a second frame structure of the present invention;
FIG. 5 is a schematic view of a dust collection structure according to the present invention;
fig. 6 is a schematic structural view of a blowing structure according to the present invention.
In the figure: 1-box, 2-cooling coil, 3-heating coil, 4-dust collection structure, 41-top box, 42-collection box, 43-vertical bar, 44-first threaded rod, 45-first slide block, 46-first return frame, 47-first double-belt pulley, 48-first belt pulley, 49-first belt, 410-exhaust pipe, 411-exhaust fan, 412-first hose, 413-first U-shaped pipe, 414-discharge pipe, 415-sealing door, 5-blowing structure, 51-bottom box, 52-second threaded rod, 53-second slide block, 54-second return frame, 55-fixed rod, 56-second double-belt pulley, 57-second belt pulley, 58-second belt pulley, 59-second U-shaped pipe, 510-fan, 511-second hose, 512-air outlet, 6-top plate, 7-bottom plate, 8-air inlet slot, 9-air outlet slot, 10-motor, 11-third belt pulley, 12-fourth belt pulley, 13-third belt pulley.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an adjustable air handling unit of cooling coil, includes box 1, is provided with cooling coil 2 between the top and the bottom of box 1 inner wall, and is located one side of cooling coil 2 between the top and the bottom of box 1 inner wall and is provided with heating coil 3, and the top of box 1 just is located the top of cooling coil 2 and heating coil 3 and all fixedly connected with dust absorption structure 4 to the bottom of box 1 just is located the below of cooling coil 2 and heating coil 3 and all fixedly connected with blast structure 5;
the cooling coil 2 and the heating coil 3 are arranged in a T-shaped state, when the cooling coil 2 is used, the heating coil 3 can be vertically arranged, when the heating coil 3 is used, the cooling coil 2 is vertically arranged, the blocking of ventilation air to the inner box body 1 can be reduced to a certain extent, and the conveying effect of hot air or cold air is better.
When the cooling coil 2 or the heating coil 3 is adjusted, the dust on the surface of the coil is cleaned under the work of the dust collection structure 4 and the blowing structure 5 without using the coil.
Dust collection structure 4 includes top case 41, top fixedly connected with collecting box 42 of top case 41, the equal fixedly connected with roof 6 in top of cooling coil 2 and heating coil 3, roof 6 is cross setting with cooling coil 2 and heating coil 3, and the top fixedly connected with montant 43 on roof 6, the top of montant 43 runs through top case 41 and collecting box 42 and extends to the top of collecting box 42, both sides between top case 41 inner wall top and the bottom all rotate and are connected with first threaded rod 44, and the equal threaded connection in surface of two first threaded rods 44 has first slider 45, the equal threaded connection in surface of two first threaded rods 45 is first round frame 46 of fixedly connected with between the opposite one side of two first sliders 45, blast structure 5 includes the base box 51, both sides between the inner wall portion of base box 51 and the bottom all rotate and are connected with second threaded rod 52, the screw thread on first threaded rod 44 and the second threaded rod 52 is reverse setting, make first round frame 46 and second round frame 54 be relative or reverse when the motion, and the equal threaded connection in surface of two second threaded rod 52 has second slider 53, the equal threaded connection in surface of two second round frame 53, the bottom plate 7 is connected with the bottom plate 55 with the bottom plate 3 between the opposite one side of cross coil 3, the bottom plate 7 is fixed connection with the bottom plate 55, the bottom plate 3 is fixed connection with the bottom plate 3.
In the invention, a first double belt pulley 47 is fixedly connected to the surface of a vertical rod 43 and positioned in a top box 41, a first belt pulley 48 is fixedly connected to the top of the surface of a first threaded rod 44, and the surfaces of the first double belt pulley 47 and the first belt pulley 48 are in transmission connection through a first belt 49.
In the invention, the bottom of the first square frame 46 is communicated with an exhaust fan 410, one side of the top of the inner wall of the collecting box 42 is fixedly connected with an exhaust fan 411, one end of an air inlet of the exhaust fan 411 is communicated with a first hose 412, the top of the first square frame 46 is communicated with a first U-shaped pipe 413, and the bottom end of the first hose 412 is communicated with the top of the surface of the first U-shaped pipe 413.
In the invention, the surface of the fixing rod 55 is fixedly connected with the second double belt pulley 56 which is positioned in the bottom box 51, the top of the surface of the second threaded rod 52 is fixedly connected with the second belt pulley 57, and the surfaces of the second double belt pulley 56 and the second belt pulley 57 are in transmission connection through the second belt 58.
In the invention, the air outlet of the exhaust fan 411 is communicated with a discharge pipe 414, one side of the collecting box 42 is provided with a sealing door 415, and the joint of the top of the box body 1 and the top box 41 is provided with an air inlet groove 8.
In the invention, the bottom of the second square frame 54 is communicated with a second U-shaped tube 59, one side of the bottom box 51 is fixedly connected with a fan 510, an air outlet of the fan 510 is communicated with a second hose 511, one end of the second hose 511 is communicated with the bottom of the surface of the second U-shaped tube 59, an air outlet groove 9 is formed at the joint of the bottom of the box body 1 and the bottom box 51, and an air outlet 512 is formed at the top of the second square frame 54.
In the invention, a motor 10 is fixedly connected between two top boxes 41 through a mounting plate, the motor 10 is a three-phase asynchronous motor and can rotate positively and negatively, the output end of the motor 10 is fixedly connected with a third belt pulley 11, one ends of two vertical rods 43 extending to the top of a collecting box 42 are fixedly connected with a fourth belt pulley 12, and the surfaces of the third belt pulley 11 and the fourth belt pulley 12 are in transmission connection through a third belt 13.
And all that is not described in detail in this specification is well known to those skilled in the art.
When the heating coil 3 is used, the cooling coil 2 is required to be adjusted by 90 degrees, the motor 10 is started through the external switch, the motor 10 drives the third belt pulley 11 to rotate, the fourth belt pulley 12 is driven by the transmission of the third belt 13 to rotate, the fourth belt pulley 12 drives the vertical rod 43 to rotate, the rotation of the vertical rod 43 drives the cooling coil 2 and the heating coil 3 to simultaneously rotate by 90 degrees, the cooling coil 2 and the heating coil 3 are in a T-shaped arrangement, in the rotating process of the vertical rod 43, the first belt pulley 47 drives the first belt pulley 48 to rotate, the second belt pulley 56 drives the second belt pulley 57 to rotate, the first return frame 46 at the top of the heating coil 3 and the second return frame 54 at the bottom of the heating coil 3 are driven by the first threaded rod 44 and the second threaded rod 52 to move in opposite directions, the first mold return frame 46 at the top of the cooling coil 2 and the second mold return frame 54 at the bottom are driven by the first threaded rod 44 and the second threaded rod 52 to move in opposite directions respectively, at this time, the top plate 6 and the bottom plate 7 on the heating coil 3 block the air inlet slot 8 and the air outlet slot 9 above and below the heating coil 3, the top plate 6 and the bottom plate 7 on the cooling coil 2 expose the air inlet slot 8 and the air outlet slot 9 above and below the cooling coil 2, the air exhauster 411 above the cooling coil 2 and the blower 510 below the cooling coil are started, the blower 510 discharges air from the air outlet 512 on the second mold return frame 54 through the second hose 511 and the second U-shaped tube 59, dust on the cooling coil 2 is blown, the air exhauster 411 draws dust from the air exhauster 410 at the bottom of the first mold return frame 46 through the first hose 412 and the first U-shaped tube 413, then discharges dust into the collecting box 42 through the opening of the sealing door 415, the dust inside can be cleaned and the reverse operation can be performed when the cooling coil 2 is needed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an adjustable air treatment unit of cooling coil, includes box (1), its characterized in that: a cooling coil pipe (2) is arranged between the top and the bottom of the inner wall of the box body (1), a heating coil pipe (3) is arranged between the top and the bottom of the inner wall of the box body (1) and positioned on one side of the cooling coil pipe (2), dust collection structures (4) are fixedly connected to the top of the box body (1) and positioned above the cooling coil pipe (2) and the heating coil pipe (3), and a blowing structure (5) is fixedly connected to the bottom of the box body (1) and positioned below the cooling coil pipe (2) and the heating coil pipe (3);
the dust collection structure (4) comprises a top box (41), a collecting box (42) is fixedly connected to the top of the top box (41), a top plate (6) is fixedly connected to the top of the cooling coil (2) and the heating coil (3), a vertical rod (43) is fixedly connected to the top of the top plate (6), the top ends of the vertical rods (43) penetrate through the top box (41) and the collecting box (42) and extend to the top of the collecting box (42), first threaded rods (44) are rotatably connected to two sides between the top and the bottom of the inner wall of the top box (41), first sliding blocks (45) are fixedly connected to the surfaces of the two first threaded rods (44), first return frames (46) are fixedly connected to two opposite sides of the first sliding blocks (45), the air blowing structure (5) comprises a bottom box (51), second threaded rods (52) are rotatably connected to two sides between the inner wall of the bottom box (51), second sliding blocks (53) are rotatably connected to the surfaces of the two second sliding blocks (53), a bottom plate (7) is fixedly connected to the bottom plate (7) of the cooling coil (7), the bottom end of the fixing rod (55) is rotationally connected with the bottom of the inner wall of the bottom box (51), the surface of the vertical rod (43) is fixedly connected with a first double belt pulley (47) which is positioned in the top box (41), the top of the surface of the first threaded rod (44) is fixedly connected with a first belt pulley (48), the first double belt pulley (47) is in transmission connection with the surface of the first belt pulley (48) through a first belt (49), the surface of the fixing rod (55) is fixedly connected with a second double belt pulley (56) which is positioned in the bottom box (51), the top of the surface of the second threaded rod (52) is fixedly connected with a second belt pulley (57), the surfaces of the second double belt pulley (56) and the second belt pulley (57) are in transmission connection through a second belt (58), a motor (10) is fixedly connected between the two top boxes (41), the output end of the motor (10) is fixedly connected with a third belt pulley (11), one end of the two vertical rods (43) extending to the top of the collecting box (42) is fixedly connected with a fourth belt pulley (12), and the third belt pulley (12) is connected with the fourth belt pulley (12) through the transmission belt (13) through the second belt (58);
when the heating coil (3) is used, the cooling coil (2) is adjusted by 90 degrees, the motor (10) is started through an external switch, the motor (10) drives the third belt pulley (11) to rotate, the fourth belt pulley (12) is driven to rotate under the transmission action of the third belt (13), the fourth belt pulley (12) drives the vertical rod (43) to rotate, the rotation of the vertical rod (43) drives the cooling coil (2) and the heating coil (3) to rotate by 90 degrees at the same time, the cooling coil (2) and the heating coil (3) are in a T-shaped arrangement, in the rotating process of the vertical rod (43), the first belt pulley (48) is driven by the first double belt pulley (47), the second belt pulley (56) drives the second belt pulley (57) to rotate, the first return frame (46) at the top of the heating coil (3) and the second return frame (54) at the bottom move in opposite directions under the driving of the first threaded rod (44) and the second threaded rod (52) respectively, at this time, the top plate (6) and the bottom plate (7) on the heating coil (3) can block the air inlet groove (8) and the air outlet groove (9) above and below the heating coil (3), and the top plate (6) and the bottom plate (7) on the cooling coil (2) can expose the air inlet groove (8) and the air outlet groove (9) above and below the cooling coil (2).
2. An air treatment unit with adjustable cooling coil according to claim 1, wherein: the bottom intercommunication of first back type frame (46) has exhaust column (410) to one side fixedly connected with air exhauster (411) at collecting box (42) inner wall top, the one end intercommunication of air intake of air exhauster (411) has first hose (412), and the top intercommunication of first back type frame (46) has first U type pipe (413), the bottom of first hose (412) is linked together with the top on first U type pipe (413) surface.
3. An air treatment unit with adjustable cooling coil according to claim 2, wherein: an air outlet of the exhaust fan (411) is communicated with an exhaust pipe (414), a sealing door (415) is arranged on one side of the collecting box (42), and an air inlet groove (8) is formed in the joint of the top of the box body (1) and the top box (41).
4. An air treatment unit with adjustable cooling coil according to claim 1, wherein: the bottom of second back type frame (54) is linked together there is second U type pipe (59) to one side fixedly connected with fan (510) of base case (51), the air outlet intercommunication of fan (510) has second hose (511), and the one end of second hose (511) is linked together with the bottom on second U type pipe (59) surface, air outlet groove (9) have been seted up in the junction of the bottom of box (1) and base case (51), air outlet (512) have been seted up at the top of second back type frame (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514992.4A CN114777219B (en) | 2022-05-12 | 2022-05-12 | Air treatment unit with adjustable cooling coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514992.4A CN114777219B (en) | 2022-05-12 | 2022-05-12 | Air treatment unit with adjustable cooling coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114777219A CN114777219A (en) | 2022-07-22 |
| CN114777219B true CN114777219B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210514992.4A Active CN114777219B (en) | 2022-05-12 | 2022-05-12 | Air treatment unit with adjustable cooling coil |
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| CN (1) | CN114777219B (en) |
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| KR100625263B1 (en) * | 2005-03-23 | 2006-09-20 | 김경희 | Small size duct room and airconditioner having a heat exchanger |
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| CN208458200U (en) * | 2018-06-22 | 2019-02-01 | 容永红 | A kind of high-accuracy constant temperature and humidity air-conditioning system of energy-saving dust purification |
| CN109520057A (en) * | 2018-10-18 | 2019-03-26 | 文露 | It is a kind of without heating environmental protection humidifying device |
| CN110118395A (en) * | 2019-06-17 | 2019-08-13 | 上海新晃空调设备股份有限公司 | A kind of parallel energy-saving air handling unit group of cooling coil heating coil |
| CN112728695A (en) * | 2021-02-07 | 2021-04-30 | 格瑞海思人居环境科技(江苏)有限公司 | Energy-saving air conditioning device capable of accurately controlling air supply temperature and humidity |
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| CN114777219A (en) | 2022-07-22 |
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