CN214619944U - Integral fresh air dehumidification all-in-one - Google Patents
Integral fresh air dehumidification all-in-one Download PDFInfo
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- CN214619944U CN214619944U CN202022423956.6U CN202022423956U CN214619944U CN 214619944 U CN214619944 U CN 214619944U CN 202022423956 U CN202022423956 U CN 202022423956U CN 214619944 U CN214619944 U CN 214619944U
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Abstract
The utility model discloses an integrated fresh air dehumidifying all-in-one machine, which comprises a machine shell, wherein a bypass channel, an air exhaust channel and a fresh air channel which are communicated with each other are sequentially arranged in the machine shell, a bypass outlet is arranged on the side wall of the bypass channel, a second heat exchanger and a bypass fan are arranged in the bypass channel, an air exhaust inlet and a fresh air inlet which are opposite in position are arranged on one side of the air exhaust channel, a heat exchange core body is arranged between the air exhaust channel and the fresh air channel, a fresh air outlet and an air exhaust outlet which are positioned on two sides of the heat exchange core body are arranged on the side wall of the fresh air channel, a fresh air fan, a heat exchanger IV and a heat exchanger III are sequentially arranged between the heat exchange core body and the fresh air outlet, the heat exchanger comprises a heat exchange core body, a heat exchanger I, a heat exchanger II, a heat exchanger III and a heat exchanger IV, wherein the heat exchanger I and the compressor are sequentially arranged between the heat exchange core body and an exhaust outlet, the compressor, the heat exchanger I, the heat exchanger II, the heat exchanger III and the heat exchanger IV are sequentially connected, and the heat exchanger IV is connected with the compressor.
Description
Technical Field
The utility model relates to a new trend technical field specifically is an integral new trend dehumidification all-in-one.
Background
Fresh air constant temperature dehumidification prior art: the system evaporator and the condenser are all placed in a fresh air supply channel, the heat recovery core body is placed behind the condenser, fresh air is cooled and dehumidified by the evaporator and reheated by the condenser, high-temperature fresh air flows through the heat recovery core body to exchange heat with indoor exhaust air, and the fresh air is cooled and then is supplied to an indoor room, so that the fresh air after being dehumidified and reheated cannot keep the indoor ambient temperature and cannot realize constant-temperature air supply due to the influence of the heat exchange efficiency of the heat recovery core body, the heat recovery core body mainly plays a role in cooling the fresh air, the overall performance and the operation energy efficiency of the system are not improved, and a prototype of the layout can only be used for dehumidification, and cannot realize the functions of refrigeration, heating and the like; the system evaporator and the reheater (condenser) are arranged in a fresh air channel, the condenser is arranged in an exhaust air channel, a heat recovery core body is not provided, the fresh air supply temperature is adjusted by adjusting the air volume at the exhaust air side, an indoor negative pressure environment is easily formed, air outside the room easily permeates into the room through room gaps, the temperature and humidity value of the room is influenced, and the indoor air quality cannot be guaranteed.
Disclosure of Invention
The utility model provides an integral fresh air dehumidification all-in-one machine aiming at the defects in the prior art, the equipment carries out secondary recovery on indoor exhaust heat, reduces heat loss, and the reheating dehumidification air supply temperature can be kept consistent with the indoor temperature, does not increase the indoor load, and has high comfort; the problems that continuous heating and fresh air supply cannot be realized during the shutdown defrosting period in winter can be effectively solved;
in order to achieve the above object, the utility model provides a following technical scheme:
an integrated fresh air dehumidifying all-in-one machine comprises a machine shell, a bypass channel, an air exhaust channel and a fresh air channel which are communicated with each other are sequentially arranged in the machine shell, a bypass outlet is arranged on the side wall of the bypass channel, a second heat exchanger and a bypass fan are arranged in the bypass channel, an air exhaust inlet and a fresh air inlet which are opposite in position are arranged on one side of the air exhaust channel, a heat exchange core body is arranged between the air exhaust channel and the fresh air channel, a fresh air outlet and an air exhaust outlet which are positioned on two sides of the heat exchange core body are arranged on the side wall of the fresh air channel, a fresh air fan, a heat exchanger IV and a heat exchanger III are sequentially arranged between the heat exchange core body and the fresh air outlet, the heat exchanger comprises a heat exchange core body, a heat exchanger I, a heat exchanger II, a heat exchanger III and a heat exchanger IV, wherein the heat exchanger I and the compressor are sequentially arranged between the heat exchange core body and an exhaust outlet, the compressor, the heat exchanger I, the heat exchanger II, the heat exchanger III and the heat exchanger IV are sequentially connected, and the heat exchanger IV is connected with the compressor.
Preferably, the air inlet pipe and the air outlet pipe of the compressor are connected through a first four-way valve, and the first four-way valve is respectively connected with the first heat exchanger and the fourth heat exchanger.
Preferably, a third throttling device is arranged between the first heat exchanger and the second heat exchanger, and the third throttling device is arranged in the air exhaust channel.
Preferably, a first three-way valve is arranged between the third throttling device and the first heat exchanger and is connected with an exhaust port of the compressor through a pipeline.
Preferably, a first throttling device is arranged between the second heat exchanger and the third heat exchanger.
Preferably, a second throttling device is arranged between the third heat exchanger and the fourth heat exchanger.
Preferably, a first four-way valve and a second four-way valve are connected to an air outlet pipe of the compressor, the first four-way valve is respectively connected with the first heat exchanger, an air inlet pipe of the compressor and the fourth heat exchanger, and the second four-way valve is respectively connected with the second heat exchanger, the air inlet pipe of the compressor and the fourth heat exchanger.
Preferably, a sliding air valve device is arranged on the side wall of the heat exchange core body.
Preferably, the bypass outlet, the fresh air inlet and the exhaust outlet are arranged on the side face of the casing, and the exhaust inlet and the fresh air outlet are arranged on the side face of the other end of the casing.
Compared with the prior art, the beneficial effects of the utility model are that:
the device provided by the utility model carries out secondary recovery to indoor exhaust heat, reduces heat loss, maintains the reheating, dehumidifying and air supplying temperature consistent with indoor temperature, does not increase indoor load, and has high comfort; the problems that continuous heating and fresh air supply cannot be realized during the shutdown defrosting period in winter can be effectively solved;
drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a schematic diagram of the refrigeration system of the present invention;
FIG. 3 is a schematic diagram of the reheating and dehumidifying apparatus of the present invention;
FIG. 4 is a schematic view of the heating system of the present invention;
FIG. 5 is a first schematic diagram of the heating and defrosting of the present invention;
FIG. 6 is a second schematic diagram of the heating and defrosting of the present invention;
fig. 7 is a schematic structural diagram of the second embodiment.
In the figure: 1-a bypass channel; 2-an exhaust channel; 3-a fresh air channel; 4-an exhaust inlet; 5-a fresh air outlet; 6-a bypass outlet; 7-fresh air inlet; 8-an exhaust outlet; 9-throttling gear III; 10-a compressor; 11-a four-way valve I; 12-a first heat exchanger; 13-a first three-way valve; 14-an exhaust fan; 15-a fresh air fan; 16-heat exchanger four; 17-a first throttling device; 18-heat exchanger three; 19-a second three-way valve; 20-a second throttling device; 21-sliding air valve device; 22-a heat exchange core; 23-heat exchanger two; 24-a bypass fan; and 25-a four-way valve II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the first embodiment, the first step is,
as shown in figure 1, an integral fresh air dehumidifying all-in-one machine comprises a casing, a bypass channel 1, an air exhaust channel 2 and a fresh air channel 3 which are communicated with each other are sequentially arranged in the casing, a bypass outlet 6 is arranged on the side wall of the bypass channel 1, a heat exchanger II 23 and a bypass fan 24 are arranged in the bypass channel 1, an air exhaust inlet 4 and a fresh air inlet 7 which are opposite in position are arranged on the side of the air exhaust channel 2, a heat exchange core 22 is arranged between the air exhaust channel 2 and the fresh air channel 3, a fresh air outlet 5 and an air exhaust outlet 8 which are positioned on two sides of the heat exchange core 22 are arranged on the side wall of the fresh air channel 3, a fresh air fan 15, a heat exchanger IV 16 and a heat exchanger III 18 are sequentially arranged between the heat exchange core 22 and the fresh air outlet 5, a heat exchanger I12 and a compressor 10 are sequentially arranged between the heat exchange core 22 and the air exhaust outlet 8, and the compressor 10, The first heat exchanger 12, the second heat exchanger 23, the third heat exchanger 18 and the fourth heat exchanger 16 are sequentially connected, and the fourth heat exchanger 16 is connected with the compressor 10.
An air inlet pipe and an air outlet pipe of the compressor 10 are connected through a first four-way valve 11, and the first four-way valve 11 is respectively connected with a first heat exchanger 12 and a fourth heat exchanger 16.
A third throttling device 9 is arranged between the first heat exchanger 12 and the second heat exchanger 23, and the third throttling device 9 is arranged in the exhaust passage 2.
And a three-way valve I13 is arranged between the third throttling device 9 and the first heat exchanger 12, and the three-way valve I13 is connected with an exhaust port of the compressor 10 through a pipeline.
As shown in fig. 2-6, the specific cycling modes of the different modes in use are:
first, refrigeration mode
Refrigerant side:
the low-pressure low-temperature refrigerant is sucked from an air suction port of the compressor 10, is compressed into high-temperature high-pressure vapor refrigerant by the compressor 10, is discharged from an air exhaust port, flows through the first heat exchanger 12 through the four-way valve to perform condensation heat exchange, is cooled into high-pressure medium-temperature refrigerant, then flows to the third throttling device 9 through the first three-way valve 13, does not perform throttling function on the third throttling device 9 at the moment, then continues to perform condensation heat exchange through the second heat exchanger 23, is throttled by the first throttling device 17 to become low-pressure low-temperature refrigerant, then performs evaporation heat exchange through the third heat exchanger 18, then enters the fourth heat exchanger 16 through a bypass pipeline through the second three-way valve 19 to continue to perform evaporation heat exchange, absorbs heat at the fourth heat exchanger 16 to evaporate into low-pressure low-temperature gas, and then enters the air suction port of the compressor 10 through the four-way valve to complete a refrigeration cycle.
Air side:
after entering from the fresh air inlet 7, part of fresh air exchanges heat with indoor exhaust air at the heat exchange core 22, the temperature of the fresh air is reduced, and then the fresh air is cooled and dehumidified by the heat exchanger IV 16 and the heat exchanger III 18 and then is sent to the indoor environment; the other part of fresh air flows to the second heat exchange part through the bypass opening opened by the air valve device for heat exchange and then is discharged from the bypass outlet 6 through the bypass fan 24.
Indoor exhaust air enters from the exhaust air inlet 4, exchanges heat with outdoor fresh air through the heat exchange core 22, then enters the heat exchanger I12 for secondary heat exchange, becomes high-temperature air after heat exchange, and is directly discharged to the outdoor environment through the exhaust air outlet 8.
Reheat dehumidification mode
Refrigerant side:
the low-pressure low-temperature refrigerant is sucked from an air suction port of a compressor 10, is compressed into high-temperature high-pressure vapor refrigerant by the compressor 10, is discharged from an air exhaust port, flows through a first heat exchanger 12 through a four-way valve to perform condensation heat exchange, is cooled into high-pressure medium-temperature refrigerant, then flows to a third throttling device 9 through a first three-way valve 13, the third throttling device 9 does not perform throttling function at the moment, then the refrigerant continues to perform condensation heat exchange through a second heat exchanger 23, then is led to a third heat exchanger 18 through a first throttling device 17, the first throttling device 17 does not perform throttling function at the moment, the refrigerant continues to perform condensation heat exchange through the third heat exchanger 18 to provide reheat for low-temperature dehumidification air passing through a fourth heat exchanger 16, then is switched to flow paths through a second three-way valve 19, so that the refrigerant is throttled by a second throttling device 20 and then enters the fourth heat exchanger 16 to perform evaporation heat exchange to dehumidify fresh air, the refrigeration absorbs heat at the fourth 16 heat exchanger and is evaporated into low-pressure and low-temperature gas, and then the gas enters the suction port of the compressor 10 through the four-way valve to complete a refrigeration cycle.
Air side:
after entering from a fresh air inlet 7, a part of fresh air exchanges heat with indoor exhaust air at a heat exchange core 22, the temperature of the fresh air is reduced, then the fresh air is cooled and dehumidified by a heat exchanger IV 16, and is reheated and heated to a target temperature by a heat exchanger III 18 and then sent to an indoor environment; the other part of fresh air flows to the second heat exchanger for heat exchange through the bypass port opened by the air valve device, the heat exchange amount of the second heat exchanger 23 is changed by controlling the rotating speed of the bypass fan 24, so that the reheat of the third heat exchanger 18 is changed, the moisture content and the temperature of supplied air are controlled simultaneously, and the air after heat exchange is finally discharged from the bypass outlet 6.
Indoor exhaust air enters from the exhaust air inlet 4, exchanges heat with outdoor fresh air through the heat exchange core 22, then enters the heat exchanger I12 for secondary heat exchange, becomes high-temperature air after heat exchange, and is directly discharged to the outdoor environment through the exhaust air outlet 8.
Heating mode
Refrigerant side:
the low-pressure low-temperature refrigerant is sucked from an air suction port of the compressor 10, is compressed into high-temperature high-pressure vapor refrigerant by the compressor 10, is discharged from an air exhaust port, flows through the heat exchanger IV 16 through the four-way valve for condensation heat exchange, then is switched to flow direction by the three-way valve II 19, is led to the heat exchanger III 18 through a bypass pipeline for continuously heating fresh air, then is throttled by the throttling device I17 and enters the heat exchanger II 23 for heat exchange with the fresh air, the refrigerant is led to the throttling device III 9 for flow to the three-way valve I13 after evaporation heat exchange, at the moment, the throttling device III 9 does not play a throttling role, the refrigerant is switched to flow direction by the three-way valve I13 to enter the heat exchanger I12 for continuously evaporation heat exchange, and finally returns to the air suction port of the compressor 10 through the four-way valve, so that a heating cycle is formed.
Air side:
after entering from the fresh air inlet 7, part of fresh air exchanges heat with indoor exhaust air at the heat exchange core 22, the temperature of the fresh air rises, and then the fresh air is heated by the heat exchanger IV 16 and the heat exchanger III 18 and then is sent to the indoor environment; the other part of fresh air flows to the second heat exchange part through the bypass opening opened by the air valve device for heat exchange and then is discharged from the bypass outlet 6 through the bypass fan 24.
Indoor exhaust air enters from the exhaust air inlet 4, exchanges heat with outdoor fresh air through the heat exchange core 22, then enters the heat exchanger I12 for secondary heat exchange, and is directly discharged to the outdoor environment through the exhaust air outlet 8 after being changed into low-temperature air through heat exchange.
Heating and defrosting mode 1
Refrigerant side:
after being sucked from an air suction port of the compressor 10, a low-pressure low-temperature refrigerant is compressed into a high-temperature high-pressure vaporous refrigerant by the compressor 10 and then discharged from an air exhaust port, the high-temperature high-pressure vaporous refrigerant flows through the four-way valve and flows through the heat exchanger four 16 for condensation and heat exchange, then the refrigerant is switched to flow direction by the three-way valve two 19 and flows to the heat exchanger three 18 through a bypass pipeline to continue heating fresh air, then the fresh air enters the heat exchanger two 23 through the throttling device one 17, at the moment, the throttling device one 17 does not throttle, the refrigerant defrosts the heat exchanger two 23, then the refrigerant flows to the throttling device three 9, the throttled refrigerant enters the heat exchanger one 12 through the three-way valve one 13 to perform evaporation and heat exchange, and finally the refrigerant returns to the air suction port of the compressor 10 through the four-way valve to form a heating cycle.
Air side:
in this mode, the rotation speeds of the fresh air fan 15 and the exhaust air fan 14 are reduced, the air volume and the heat exchange amount of the heat exchanger are reduced, the sliding air valve device 21 performs actions, the heat exchange performance of the heat exchange core 22 is improved, and part of indoor exhaust air is guided to the second heat exchanger 23 for defrosting.
After entering from the fresh air inlet 7, fresh air exchanges heat with indoor exhaust air at the heat exchange core 22, the temperature of the fresh air rises, and then the fresh air is heated by the heat exchanger IV 16 and the heat exchanger III 18 and then is sent to the indoor environment;
part of indoor exhaust air enters from the exhaust air inlet 4, exchanges heat with outdoor fresh air through the heat exchange core 22, then enters the heat exchanger I12 for secondary heat exchange, becomes low-temperature air after heat exchange, and is directly discharged to the outdoor environment through the exhaust air outlet 8; the other part of the indoor exhaust air passes through the channel opened by the sliding air valve device 21, defrosts the second heat exchanger 23, and then is discharged from the bypass outlet 6 through the bypass fan 24.
Fourth, heating and defrosting mode 2
Refrigerant side:
the low-pressure low-temperature refrigerant is sucked from an air suction port of the compressor 10, is compressed into high-temperature high-pressure vapor refrigerant by the compressor 10, is discharged from an air exhaust port, flows through the heat exchanger IV 16 through the four-way valve for condensation heat exchange, then is switched to flow by the three-way valve II 19, is led to the heat exchanger III 18 through a bypass pipeline for continuously heating fresh air, is throttled by the throttling device I17 and then enters the heat exchanger II 23 for evaporation heat exchange, then is led to the throttling device III 9, at the moment, the throttling device III 9 does not play a throttling role, then is led to the bypass channel 1 through the three-way valve I13, and finally returns to the air suction port of the compressor 10 through the four-way valve, so that a heating cycle is formed.
Air side:
in this mode, reduce the 15 rotational speeds of new trend fan, reduce amount of wind, heat exchanger heat transfer volume and heat exchange core 22 heat transfer volume, the action is carried out to slip blast gate device 21 simultaneously, leads to two 23 heat exchangers of part new trend and evaporates the heat transfer, specifically as follows.
After entering from the fresh air inlet 7, part of fresh air exchanges heat with indoor exhaust air at the heat exchange core 22, the temperature of the fresh air rises, and then the fresh air is heated by the heat exchanger IV 16 and the heat exchanger III 18 and then is sent to the indoor environment; the other part of fresh air flows to the second heat exchanger 23 through the bypass opening opened by the air valve device for evaporation and heat exchange, and then is discharged from the bypass outlet 6 through the bypass fan 24.
Indoor exhaust air enters from the exhaust air inlet 4 and exchanges heat with outdoor fresh air through the heat exchange core 22, the temperature of the indoor exhaust air after passing through the heat exchange core 22 rises due to the reduction of the heat exchange quantity at the core, the first heat exchanger 12 is defrosted by utilizing the heat of the indoor exhaust air, and the indoor exhaust air is discharged to the outdoor environment through the exhaust air outlet 8 after being converted into low-temperature air through heat exchange.
In the second embodiment, the first embodiment of the method,
as shown in fig. 7, an integral fresh air dehumidifying all-in-one machine comprises a casing, a bypass channel 1, an air exhaust channel 2 and a fresh air channel 3 which are communicated with each other are sequentially arranged in the casing, a bypass outlet 6 is arranged on the side wall of the bypass channel 1, a second heat exchanger 23 and a bypass fan 24 are arranged in the bypass channel 1, an air exhaust inlet 4 and a fresh air inlet 7 which are opposite in position are arranged on the side of the air exhaust channel 2, a heat exchange core 22 is arranged between the air exhaust channel 2 and the fresh air channel 3, a fresh air outlet 5 and an air exhaust outlet 8 which are positioned on two sides of the heat exchange core 22 are arranged on the side wall of the fresh air channel 3, a fresh air fan 15, a fourth heat exchanger 16 and a third heat exchanger 18 are sequentially arranged between the heat exchange core 22 and the fresh air outlet 5, a heat exchanger instrument and a compressor 10 are sequentially arranged between the heat exchange core 22 and the air outlet 8, the compressor 10, The first heat exchanger 12, the second heat exchanger 23, the third heat exchanger 18 and the fourth heat exchanger 16 are sequentially connected, and the fourth heat exchanger 16 is connected with the compressor 10.
And a first throttling device 17 is arranged between the second heat exchanger 23 and the third heat exchanger 18.
And a second throttling device 20 is arranged between the third heat exchanger 18 and the fourth heat exchanger 16.
And a sliding air valve device 21 is arranged on the side wall of the heat exchange core body.
The bypass outlet 6, the fresh air inlet 7 and the exhaust outlet 8 are arranged at the bottom of the machine shell, and the exhaust inlet 4 and the fresh air outlet 5 are arranged at the top of the machine shell.
A four-way valve I11 and a four-way valve II 25 are connected to an air outlet pipe of the compressor 10, the four-way valve I11 is respectively connected with the heat exchanger I12, an air inlet pipe of the compressor 10 and the heat exchanger IV 16, and the four-way valve II 25 is respectively connected with the heat exchanger II 23, the air inlet pipe of the compressor 10 and the heat exchanger IV 16.
During refrigeration, the two four-way valves are used for reversing, the second heat exchanger 23 and the first heat exchanger 12 are used as condensers for heat exchange, and the fourth heat exchanger 16 and the third heat exchanger 18 are used as evaporators for heat exchange; when reheating and dehumidifying, the direction is changed by two four-way valves, the second heat exchanger 23, the first heat exchanger 12 and the third heat exchanger 18 are used as condensers for heat exchange, and the fourth heat exchanger 16 is used as an evaporator for heat exchange; during heating, the direction is changed by the two four-way valves, the second heat exchanger 23 and the first heat exchanger 12 are used as evaporators for exchanging heat, and the fourth heat exchanger 16 and the third heat exchanger 18 are used as condensers for exchanging heat; and during defrosting, one heat exchanger refrigerant flow path in the second heat exchanger 23 or the first heat exchanger 12 is closed through controlling the first three-way valve 13, and the heat exchanger is dehumidified through indoor exhaust air heat.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides an integral new trend all-in-one that dehumidifies, includes the casing, its characterized in that: the novel heat exchanger is characterized in that a bypass channel, an exhaust channel and a fresh air channel which are communicated with each other are sequentially arranged in the shell, a bypass outlet is formed in the side wall of the bypass channel, a second heat exchanger and a bypass fan are arranged in the bypass channel, an exhaust inlet and a fresh air inlet which are opposite in position are formed in the side of the exhaust channel, a heat exchange core is arranged between the exhaust channel and the fresh air channel, a fresh air outlet and an exhaust outlet which are located on two sides of the heat exchange core are formed in the side wall of the fresh air channel, a fourth fresh air fan, a fourth heat exchanger and a third heat exchanger are sequentially arranged between the heat exchange core and the exhaust outlet, a first heat exchanger and a compressor are sequentially arranged between the heat exchange core and the exhaust outlet, the compressor, the first heat exchanger, the second heat exchanger, the third heat exchanger and the fourth heat exchanger are sequentially connected, and the fourth heat exchanger is connected with the compressor.
2. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: the air inlet pipe and the air outlet pipe of the compressor are connected through a first four-way valve, and the first four-way valve is respectively connected with a first heat exchanger and a fourth heat exchanger.
3. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: and a third throttling device is arranged between the first heat exchanger and the second heat exchanger and is arranged in the air exhaust channel.
4. The integrated fresh air and dehumidification integrated machine of claim 3, wherein: and a first three-way valve is arranged between the third throttling device and the first heat exchanger and is connected with an exhaust port of the compressor through a pipeline.
5. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: and a first throttling device is arranged between the second heat exchanger and the third heat exchanger.
6. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: and a second throttling device is arranged between the third heat exchanger and the fourth heat exchanger.
7. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: the air outlet pipe of the compressor is connected with a first four-way valve and a second four-way valve, the first four-way valve is respectively connected with the first heat exchanger, the air inlet pipe of the compressor and the fourth heat exchanger, and the second four-way valve is respectively connected with the second heat exchanger, the air inlet pipe of the compressor and the fourth heat exchanger.
8. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: and a sliding air valve device is arranged on the side wall of the heat exchange core body.
9. The integrated fresh air and dehumidification integrated machine of claim 1, wherein: the bypass outlet, the fresh air inlet and the exhaust outlet are arranged on the side face of the casing, and the exhaust inlet and the fresh air outlet are arranged on the side face of the other end of the casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022423956.6U CN214619944U (en) | 2020-10-27 | 2020-10-27 | Integral fresh air dehumidification all-in-one |
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| CN202022423956.6U CN214619944U (en) | 2020-10-27 | 2020-10-27 | Integral fresh air dehumidification all-in-one |
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