CN213630729U - Embedded fall to ground new fan's dehumidification new trend structure - Google Patents
Embedded fall to ground new fan's dehumidification new trend structure Download PDFInfo
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- CN213630729U CN213630729U CN202022275077.3U CN202022275077U CN213630729U CN 213630729 U CN213630729 U CN 213630729U CN 202022275077 U CN202022275077 U CN 202022275077U CN 213630729 U CN213630729 U CN 213630729U
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Abstract
The utility model belongs to the domestic appliance field relates to an embedded dehumidification new trend structure of falling to ground new trend fan, the load simulator comprises a case, be equipped with the air intake on the machine case, the return air inlet, fresh air inlet and air exit, be equipped with the heat exchange core in the machine case, the air intake passes through heat exchange core and fresh air inlet intercommunication, the return air inlet passes through heat exchange core and air exit intercommunication, the heat exchange core passes through the new trend chamber with the fresh air inlet and is connected, be equipped with precooling water coil pipe in proper order along new trend air-out direction in the fresh air chamber, dehumidification fluorine coil pipe and reheat fluorine coil pipe, the entry end of dehumidification fluorine coil pipe is connected to the exit end of reheat fluorine coil pipe, the entry end of back reheat fluorine coil pipe is connected through outdoor fluorine machine to the exit end of dehumidification fluorine coil. The precooling, dehumidifying and reheating effects are achieved through the precooling water coil, the dehumidifying fluorine coil and the reheating fluorine coil, the temperature adjusting capacity is good, the constant temperature dehumidifying effect is good, and the warm and moist fresh air is obtained.
Description
Technical Field
The utility model belongs to the domestic appliance field relates to a new trend system, especially relates to an embedded dehumidification new trend structure that falls to ground new fan.
Background
The traditional air conditioner mostly adopts a fluorine system for refrigeration, and in recent years, along with the increasing living standard of people, higher requirements are put forward for heating in winter. The fluorine system central air conditioner has the defect of drying indoor air due to uneven temperature distribution because a refrigerant directly enters the indoor unit to perform primary heat exchange with the indoor air. And the heating performance is poor, and the heating performance is greatly influenced as long as the environmental temperature is lower than minus 5 ℃. For part of owners with higher requirements on home, finding a more efficient, more comfortable and more energy-saving winter heating mode becomes an increasingly urgent need.
In order to overcome the disadvantages of the prior art, various solutions have been proposed through continuous research, for example, chinese patent application discloses an air-cooled water-cooled double-evaporator hot water unit [ publication No. CN101089518], which has a refrigeration cycle loop composed of a compressor, a water-cooled condenser, an air-cooled evaporator and a water-cooled evaporator, wherein the loop is provided with a controller, the compressor is connected with the water-cooled condenser through a four-way valve, the water-cooled condenser is connected with a water inlet and a water outlet, the water-cooled condenser is connected with a thermal expansion valve, the outlet of the thermal expansion valve is respectively connected with the water-cooled evaporator and the air-cooled evaporator, the water-cooled evaporator is provided with a water inlet and a water outlet, the water-cooled evaporator and the air-cooled evaporator.
The technical scheme is that the air-cooled evaporator is connected in parallel with the water-cooled evaporator in the refrigeration circulation loop, so that the two evaporators are simultaneously put into operation, the heating capacity of the unit is improved, and the unit can simultaneously heat and refrigerate. But the regulation of refrigeration and heating needs to be realized through the switching of pipelines, the regulation capability to the temperature is poor, and the comfort level of indoor fresh air is influenced.
Disclosure of Invention
The application aims at solving the problems and provides a dehumidification fresh air structure of an embedded type floor fresh air fan;
in order to achieve the above purpose, the utility model adopts the following technical proposal:
the application creatively provides an embedded dehumidification new trend structure that falls to ground new fan, the load simulator comprises a case, be equipped with air intake, return air inlet, fresh air inlet and air exit on the quick-witted case, be equipped with the heat exchange core in the quick-witted case, the air intake passes through heat exchange core and fresh air inlet intercommunication, the return air inlet passes through heat exchange core and air exit intercommunication, the heat exchange core passes through the new trend chamber with the fresh air inlet and is connected, be equipped with precooling water coil pipe, dehumidification fluorine coil pipe and reheat fluorine coil pipe in proper order along new trend air-out direction in the fresh air chamber, reheat fluorine coil pipe's exit end is connected dehumidification fluorine coil pipe's entry end, dehumidification fluorine coil pipe's exit end passes through the entry end that outdoor fluorine machine connected back reheat fluorine coil pipe, precooling water coil pipe's exit end and entry end are.
In foretell embedded new trend structure of dehumidification of falling to the ground new trend fan, the precooling water coil pipe is along vertically being divided into a plurality of groups, and every group precooling water coil pipe respectively connects a branch pipe of intaking and a branch pipe of going out, and each branch pipe of intaking connects a water pipe of intaking jointly, and each branch pipe of going out connects a water pipe of going out jointly and is responsible for, the water pipe of intaking is responsible for and goes out the water and is responsible for the export and the entry of connecting outdoor water machine respectively.
In the dehumidification new trend structure of foretell embedded new fan that falls to the ground, the main pipe of intaking all sets up along vertically with the main pipe of going out water, and among each group of precooling water coil, the water inlet position that links to each other with the branch pipe of intaking is less than and is located the delivery port position that links to each other with the branch pipe of going out water.
In the dehumidification new trend structure of foretell embedded new fan that falls to the ground, the branch pipe that intakes is responsible for one end by the intake and is declined to precooling water coil pipe one end, the branch pipe that goes out is responsible for one end by precooling water coil pipe one end to going out and is declined.
In foretell embedded dehumidification new trend structure of new fan that falls to the ground, the exit end of reheating fluorine coil pipe is equipped with the reposition of redundant personnel joint, and this reposition of redundant personnel joint has a plurality of to connect the export, dehumidification fluorine coil pipe is along vertically dividing into a plurality of groups, and the entry end of every group dehumidification fluorine coil pipe corresponds respectively and connects a joint export, and the export of every group dehumidification fluorine coil pipe respectively is responsible for through a dehumidification export branch union coupling dehumidification export, the dehumidification export is responsible for and is connected outdoor fluorine machine.
In the dehumidification fresh air structure of the embedded floor fresh air fan, an air supply fan is arranged in the fresh air cavity and positioned at the air outlet side of the reheating fluorine coil pipe; the heat exchange core is communicated with the air return inlet through an air return cavity, and an air exhaust fan is arranged on the air return inlet side of the air return cavity, which is positioned on the heat exchange core.
In the dehumidification fresh air structure of the embedded type floor fresh air fan, the air inlet, the air return inlet and the air outlet are all arranged at the top end of the case; the fresh air inlet is positioned at the bottom of the case.
In foretell embedded dehumidification new trend structure of falling to the ground new fan, heat exchange core and air intake pass through the air inlet chamber intercommunication, be equipped with new trend filter in the air inlet chamber, be equipped with return air filter in the return air chamber.
In foretell embedded new trend structure of falling to the ground new trend fan, the bottom of dehumidification fluorine coil pipe is equipped with the water-collecting tray, the water-collecting tray bottom is equipped with the drain pipe, and the one end of this drain pipe extends to the quick-witted case outside.
In the dehumidification new trend structure of foretell embedded new fan that falls to the ground, the drain pipe has a crooked U-shaped section of locating the water-collecting tray bottom, and the end of this U-shaped section connects the horizontal pipe section, and the position of this horizontal pipe section is higher than the bottom of water-collecting tray and not higher than the top of water-collecting tray.
Compared with the prior art, the utility model has the advantages of:
1. the precooling, dehumidifying and reheating effects are achieved through the precooling water coil, the dehumidifying fluorine coil and the reheating fluorine coil, the temperature adjusting capacity is good, the constant temperature dehumidifying effect is good, and the warm and moist fresh air is obtained.
2. The pre-cooling water coil adopts sectional water inlet, so that the temperature of the air flow in the pre-cooling water coil is uniform. The dehumidifying fluorine coil pipe also adopts sectional fluorine inlet, and has the effect of enabling the temperature and the humidity of air flow to be uniform in the dehumidifying process.
3. The reheating fluorine coil pipe is connected with the dehumidifying fluorine coil pipe through the shunt joint, so that the working medium shunting effect is achieved, meanwhile, the occupied space is small, the pipeline is simple, and the installation is easy.
4. Fresh air inlet and return air inlet set up respectively at indoor bottom and top to avoid indoor return air and new trend to mix, influence the quality of new trend.
Drawings
Fig. 1 is a schematic structural diagram provided in the present application.
Fig. 2 is a partial structural schematic diagram provided in the present application.
Fig. 3 is a partial structural schematic provided herein.
In the figure, a chassis 1, a heat exchange core 100, an air inlet 101, an air return inlet 102, a fresh air inlet 103, an air outlet 104, an air inlet cavity 11, a fresh air filter 110, an air return cavity 12, an air return filter 120, a fresh air cavity 13, a pre-cooling water coil 14, a water inlet branch pipe 141, a water outlet branch pipe 142, a water inlet main pipe 143, a water outlet main pipe 144, a dehumidifying fluorine coil 15, an outlet branch pipe 151, an outlet main pipe 152, a reheating fluorine coil 16, a flow dividing joint 160, a joint outlet 161, an air supply fan 17, an air exhaust fan 18, a water collecting tray 190, a water discharge pipe 191, a U-shaped section 1911 and a horizontal pipe section 1912.
Detailed Description
Further illustrated by the following specific examples;
as shown in fig. 1, a dehumidification fresh air structure of an embedded floor fresh air fan comprises a case 1, the case 1 is provided with an air inlet 101, an air return inlet 102, a fresh air inlet 103 and an air outlet 104, the case 1 is provided with a heat exchange core 100, the air inlet 101 is communicated with the fresh air inlet 103 through the heat exchange core 100, the air return inlet 102 is communicated with the air outlet 104 through the heat exchange core 100, the heat exchange core 100 is connected with the fresh air inlet 103 through a fresh air cavity 13, the fresh air cavity 13 is sequentially provided with a pre-cooling water coil 14, a dehumidification fluorine coil 15 and a reheating fluorine coil 16 along a fresh air outlet direction, an outlet end of the reheating fluorine coil 16 is connected with an inlet end of the dehumidification fluorine coil 15, an outlet end of the dehumidification fluorine coil 15 is connected with an inlet end of the reheating fluorine coil 16 through an outdoor fluorine machine, and the outlet end and the inlet end. The pre-cooling, dehumidifying and reheating effects are achieved through the pre-cooling water coil 14, the dehumidifying fluorine coil 15 and the reheating fluorine coil 16, the temperature adjusting capacity is good, and the constant-temperature dehumidifying effect can be good.
Specifically, as shown in fig. 1 and fig. 2, the pre-cooling water coils 14 are divided into three groups along the longitudinal direction, each group of pre-cooling water coils 14 is disposed in the side plate in a serpentine shape, each group of pre-cooling water coils 14 is connected to a water inlet branch pipe 141 and a water outlet branch pipe 142, each water inlet branch pipe 141 is connected to a water inlet main pipe 143, each water outlet branch pipe 142 is connected to a water outlet main pipe 144, and the water inlet main pipe 143 and the water outlet main pipe 144 are connected to an outlet and an inlet of an outdoor water machine, respectively. The main water inlet pipe 143 and the main water outlet pipe 144 are both arranged along the longitudinal direction, and in each group of pre-cooling water coils 14, the position of the water inlet connected with the branch water inlet pipe 141 is lower than the position of the water outlet connected with the branch water outlet pipe 142. The water inlet branch pipe 141 is inclined downwards from one end of the water inlet main pipe 143 to one end of the pre-cooling water coil pipe 14, and the water outlet branch pipe 142 is inclined downwards from one end of the pre-cooling water coil pipe 14 to one end of the water outlet main pipe 144. The circulating water can be conveniently fed in and out.
As shown in fig. 2 and fig. 3, the outlet end of the reheating fluorine coil 16 is provided with a shunt joint 160, the shunt joint 160 has four joint outlets 161, the dehumidifying fluorine coil 15 is divided into four groups along the longitudinal direction, each group of dehumidifying fluorine coil 15 is arranged in the side plate in a serpentine shape, the inlet end of each group of dehumidifying fluorine coil 15 is correspondingly connected with one joint outlet 161, the outlet of each group of dehumidifying fluorine coil 15 is connected with the dehumidifying outlet main pipe 152 through one dehumidifying outlet branch pipe 151, and the dehumidifying outlet main pipe 152 is connected with the outdoor fluorine machine.
More specifically, the tap 160 includes a cylindrical shell and a conical shell disposed at one end of the cylindrical shell, wherein the larger diameter end of the conical shell is connected to the cylindrical shell and the conical shell is connected to the interior of the cylindrical shell, and the smaller diameter end of the conical shell is connected to the outlet end of the reheat fluorine coil 16. Four joint outlets 161 are evenly spaced at one end of the column housing facing away from the cone housing.
The joint outlet 161 is fixed to the inlet end of the dehumidifying fluorine coil 15 by mechanical connection or welding, wherein the mechanical connection includes a threaded connection, a plug connection or other mechanical connection.
The reheat fluorine coil 16 is disposed in a serpentine shape on the side plates.
As shown in fig. 1, the heat exchange core 100 is communicated with the air inlet 101 through the air inlet chamber 11, a fresh air filter 110 is disposed in the air inlet chamber 11, and a return air filter 120 is disposed in the return air chamber 12. The fresh air filter 110 and the return air filter 120 may be commercially available products. Preferably, the fresh air filter 110 and the return air filter 120 sequentially include a commercially available gauze layer, a high efficiency filter layer and an activated carbon layer along the air supply direction, and can filter hair, dust, fine dust and floccules in the air, so that the air entering the room is clean and fresh.
As shown in fig. 1, the air inlet 101, the air return 102 and the air outlet 104 are disposed at the top end of the chassis 1. The fresh air opening 103 is located at the bottom of the cabinet 1. Thereby avoiding the indoor return air and the fresh air to be mixed and influencing the quality of the fresh air. And an air supply fan 17 is arranged at the air outlet side of the reheating fluorine coil pipe 16 in the fresh air cavity 13. The heat exchange core 100 is communicated with the air return inlet 102 through the air return cavity 12, and an exhaust fan 18 is arranged in the air return cavity 12 and positioned on the air return inlet side of the heat exchange core 100.
The heat exchange core 100 is a commercial product and has a return air channel and a fresh air channel, wherein the air inlet 101 and the fresh air inlet 103 are connected through the fresh air channel, and the return air inlet 102 and the air outlet 104 are connected through the return air channel.
The bottom of the dehumidifying fluorine coil 15 is provided with a water collecting tray 190, the bottom of the water collecting tray 190 is provided with a drain pipe 191, and one end of the drain pipe 191 extends to the outside of the case 1. For draining water. The drain pipe 191 has a U-shaped section 1911 bent at the bottom of the water collection tray 190, the end of the U-shaped section 1911 is connected to a horizontal pipe section 1912, and the horizontal pipe section 1912 is positioned higher than the bottom of the water collection tray 190 and not higher than the top of the water collection tray 190.
It will be appreciated by those skilled in the art that the outdoor fluorine machine includes a compressor, an outdoor condenser, an outdoor fan, etc. In this embodiment, the outlet end of the compressor is sequentially connected to the outdoor condenser, the reheating fluorine coil 16 and the dehumidifying fluorine coil 15, and the dehumidifying fluorine coil 15 returns to the inlet end of the compressor through the throttle valve to form a working medium cycle. Wherein the outdoor condenser and the reheat fluorine coil 16 are condensers, and the dehumidifying fluorine coil 15 is an evaporator. The condenser is used for condensing high-temperature and high-pressure gas in the air compressor into liquid refrigerant, and the evaporator is used for converting the liquid refrigerant into gas and sending the gas back to the air compressor for recycling. The condenser and the evaporator are both prior art used for heat exchange in the field, and the specific structure is not described herein. As will be appreciated by those skilled in the art, the outdoor water machine comprises a water pump and a heat exchanger, the heat exchanger can be connected with an air source heat pump or a fluorine machine for heat exchange, and the heat exchanger exchanges heat with water in the water machine so as to reach a proper temperature. The outdoor fluorine machine and the outdoor water machine can adopt an air source heat pump outdoor integrated machine set or an independent fluorine system outdoor machine and a water system outdoor machine.
The working principle of the utility model is as follows:
when the device operates, working media are compressed into high-temperature and high-pressure gas through a compressor in an outdoor fluorine machine, the high-temperature and high-pressure gas sequentially enters an outdoor condenser and a reheating fluorine coil 16, the high-pressure gas is condensed and converted into high-pressure liquid, the high-pressure liquid is decompressed and converted into low-temperature and low-pressure liquid through a throttle valve, the low-temperature and low-pressure liquid enters a dehumidifying fluorine coil 15 to be evaporated. Water exchanges heat with an air source in the outdoor water machine, is introduced into the pre-cooling water coil 14 through the water pump to exchange heat with air pre-entering the room, and then returns to the outdoor water machine from the pre-cooling water coil 14.
Outdoor air enters the heat exchange core 100 through the air inlet 101 to exchange heat with indoor return air introduced from the air return inlet 102 primarily, and then exchanges heat with air through the pre-cooling water coil 14 to pre-cool the air, the pre-cooled air releases heat through the dehumidifying fluorine coil 15, moisture in the air is condensed in the dehumidifying fluorine coil 15 to obtain dry air, and the dry air exchanges heat with working media in the reheating fluorine coil 16 to obtain warm and moist fresh air. The air supply fan 17 is matched with a fan of an outdoor fluorine machine, so that the heat release of the working medium in an outdoor condenser pipe and the reheating fluorine coil pipe 16 can be adjusted, and the temperature adjusting effect is achieved.
The utility model discloses an increase precooling water coil pipe 14 and make the air precooling to play the effect of adjusting moisture, avoid excessively dry on dehumidification fluorine coil pipe 15. Meanwhile, the reheating fluorine coil pipe 16 with the effect of condensing working media is added into the indoor unit, so that the pipeline switching is not needed, and the stepless temperature regulation is convenient to realize.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the cabinet 1, the heat exchange core 100, the air inlet 101, the air return inlet 102, the fresh air inlet 103, the air outlet 104, the air inlet cavity 11, the fresh air filter 110, the air return cavity 12, the air return filter 120, the fresh air cavity 13, the pre-cooling water coil 14, the water inlet branch pipe 141, the water outlet branch pipe 142, the water inlet main pipe 143, the water outlet main pipe 144, the dehumidifying fluorine coil 15, the outlet branch pipe 151, the outlet main pipe 152, the reheating fluorine coil 16, the flow dividing joint 160, the joint outlet 161, the air supply fan 17, the air exhaust fan 18, the water collecting tray 190, the water discharge pipe 191, the U-shaped section 1911, and the horizontal pipe section 1912 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides an embedded dehumidification new trend structure of falling to ground new fan, includes quick-witted case (1), be equipped with air intake (101), return air inlet (102), new trend mouth (103) and air exit (104) on quick-witted case (1), be equipped with heat exchange core (100) in quick-witted case (1), air intake (101) are through heat exchange core (100) and new trend mouth (103) intercommunication, return air inlet (102) are through heat exchange core (100) and air exit (104) intercommunication, its characterized in that: heat exchange core (100) are connected through new trend chamber (13) with new trend mouth (103), be equipped with precooling water coil pipe (14), dehumidification fluorine coil pipe (15) and reheat fluorine coil pipe (16) in proper order along new trend air-out direction in new trend chamber (13), the exit end of reheat fluorine coil pipe (16) is connected the entry end of dehumidification fluorine coil pipe (15), the exit end of dehumidification fluorine coil pipe (15) passes through the entry end that outdoor fluorine machine connects reheat fluorine coil pipe (16), the exit end and the entry end of precooling water coil pipe (14) are connected with outdoor water machine respectively.
2. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 1, characterized in that: the pre-cooling water coil pipes (14) are divided into a plurality of groups along the longitudinal direction, each group of pre-cooling water coil pipes (14) is respectively connected with one water inlet branch pipe (141) and one water outlet branch pipe (142), each water inlet branch pipe (141) is connected with one water inlet main pipe (143), each water outlet branch pipe (142) is connected with one water outlet main pipe (144), and the water inlet main pipe (143) and the water outlet main pipe (144) are respectively connected with an outlet and an inlet of an outdoor water machine.
3. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 2, characterized in that: the water inlet main pipe (143) and the water outlet main pipe (144) are arranged along the longitudinal direction, and in each group of precooling water coil pipes (14), the position of a water inlet connected with the water inlet branch pipe (141) is lower than the position of a water outlet connected with the water outlet branch pipe (142).
4. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 3, characterized in that: the water inlet branch pipe (141) is inclined downwards from one end of the water inlet main pipe (143) to one end of the pre-cooling water coil pipe (14), and the water outlet branch pipe (142) is inclined downwards from one end of the pre-cooling water coil pipe (14) to one end of the water outlet main pipe (144).
5. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 1, characterized in that: the exit end of reheat fluorine coil pipe (16) is equipped with reposition of redundant personnel joint (160), and this reposition of redundant personnel joint (160) have a plurality of and connect export (161), dehumidification fluorine coil pipe (15) are vertically divided into a plurality of groups along, and the entry end of every group dehumidification fluorine coil pipe (15) corresponds respectively and connects a joint export (161), and the export of every group dehumidification fluorine coil pipe (15) is respectively connected the dehumidification export through a dehumidification export branch pipe (151) and is responsible for (152), the dehumidification export is responsible for (152) and is connected outdoor fluorine machine.
6. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 1, characterized in that: an air supply fan (17) is arranged in the fresh air cavity (13) and positioned on the air outlet side of the reheating fluorine coil pipe (16); the heat exchange core (100) is communicated with the air return inlet (102) through the air return cavity (12), and an exhaust fan (18) is arranged on the air return inlet side of the air return cavity (12) located on the heat exchange core (100).
7. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 1, characterized in that: the air inlet (101), the air return inlet (102) and the air outlet (104) are all arranged at the top end of the case (1); the fresh air opening (103) is positioned at the bottom of the case (1).
8. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 6, characterized in that: the heat exchange core (100) is communicated with the air inlet (101) through an air inlet cavity (11), a fresh air filter (110) is arranged in the air inlet cavity (11), and a return air filter (120) is arranged in the return air cavity (12).
9. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 1, characterized in that: the bottom of the dehumidifying fluorine coil pipe (15) is provided with a water collecting tray (190), the bottom of the water collecting tray (190) is provided with a drain pipe (191), and one end of the drain pipe (191) extends to the outside of the case (1).
10. The dehumidification new trend structure of new fan of embedded falling to the ground of claim 9, characterized in that: the drain pipe (191) is provided with a U-shaped section (1911) which is bent and arranged at the bottom of the water collecting tray (190), the tail end of the U-shaped section (1911) is connected with a horizontal pipe section (1912), and the position of the horizontal pipe section (1912) is higher than the bottom of the water collecting tray (190) and is not higher than the top of the water collecting tray (190).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022275077.3U CN213630729U (en) | 2020-10-13 | 2020-10-13 | Embedded fall to ground new fan's dehumidification new trend structure |
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| CN202022275077.3U CN213630729U (en) | 2020-10-13 | 2020-10-13 | Embedded fall to ground new fan's dehumidification new trend structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932347A (en) * | 2021-09-18 | 2022-01-14 | 浙江纳风净化技术有限公司 | Mute cabinet type air conditioning system |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932347A (en) * | 2021-09-18 | 2022-01-14 | 浙江纳风净化技术有限公司 | Mute cabinet type air conditioning system |
| CN113932347B (en) * | 2021-09-18 | 2023-03-10 | 浙江纳风净化技术有限公司 | Mute cabinet type air conditioning system |
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