CN208222769U - A kind of dehumidification system and fresh air dehumidifier - Google Patents
A kind of dehumidification system and fresh air dehumidifier Download PDFInfo
- Publication number
- CN208222769U CN208222769U CN201820830681.8U CN201820830681U CN208222769U CN 208222769 U CN208222769 U CN 208222769U CN 201820830681 U CN201820830681 U CN 201820830681U CN 208222769 U CN208222769 U CN 208222769U
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- air
- dehumidification system
- fresh air
- closed loop
- evaporator
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 17
- 230000005494 condensation Effects 0.000 claims abstract description 17
- 238000001704 evaporation Methods 0.000 claims abstract description 15
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000001568 sexual effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a kind of dehumidification system and fresh air dehumidifiers.Dehumidification system includes cabinet body and is located at the intracorporal surface air cooler of cabinet, compressor, Intermediate Heat Exchanger, evaporator, reheater and water cooling heat source, wherein cabinet body have air inlet and with the indoor air outlet being connected to, surface air cooler connects to form the first closed loop configuration with water cooling heat source；Intermediate Heat Exchanger has evaporation side and condensation side, and compressor, condensation side and evaporator are linked in sequence to form the second closed loop configuration；Reheater, water cooling heat source and evaporation side are linked in sequence to form third closed loop configuration, in this way, air is re-fed into interior by the heat effect of reheater in the depth exsiccation and third closed loop configuration of evaporator in the pre-dehumidified effect of surface air cooler in the first closed loop configuration, the second closed loop configuration, so that the air after dehumidifying is able to maintain more suitable temperature, greatly promote the comfortable sexual experience of user, meanwhile compared with prior art, the program can also substantially reduce the energy consumption for making atmosphere temperature rising.
Description
Technical field
The utility model relates to fresh air system technical fields, more particularly to a kind of dehumidification system and fresh air dehumidifier.
Background technique
Room air is using oxygen content, temperature, humidity, the big parameter of air purity four as measurement standard, usual oxygen
Content is adjusted with fresh air introduction amount, and room temperature is adjusted with air-conditioning, and air humidity dehumidifier and humidifier carry out
It adjusts, air purity is adjusted with air purifier or fresh air system.For dehumidifier, air to be dehumidified into
Enter to exchange heat with surface air cooler first in dehumidifier and cool down, so that surface air cooler undertakes a part of thermic load, by the vapor portion in air
Divide condensation, realize the pre-dehumidified to air, the air after pre-dehumidified further cools down with evaporator heat exchange, so that the water in air
Steam further condenses, and realizes and dehumidifies to the depth of air.Defect of the existing technology is, the sky after dehumidifier dehumidifies
Temperature degree reduces obviously, and in order to guarantee indoor comfort level, it is necessary to the heating temperature of air-conditioning is increased, can thus be increased greatly
Add energy consumption.
Utility model content
The purpose of the utility model embodiment is to provide a kind of dehumidification system and fresh air dehumidifier, so that the air after dehumidifying
It is able to maintain more suitable temperature, while reducing system energy consumption.
The utility model embodiment provides a kind of dehumidification system, including cabinet body and be located at the intracorporal surface air cooler of the cabinet,
Compressor, Intermediate Heat Exchanger, evaporator, reheater and water cooling heat source, wherein the cabinet body has air inlet and is connected to indoor
Air outlet, the surface air cooler connects to form the first closed loop configuration with the water cooling heat source；The Intermediate Heat Exchanger has evaporation
Side and condensation side, the compressor, the condensation side and the evaporator are linked in sequence to form the second closed loop configuration；The reheating
Device, the water cooling heat source and the evaporation side are linked in sequence to form third closed loop configuration；The inlet side of the surface air cooler with it is described
Air inlet connection, the air side of the surface air cooler are connected to the inlet side of the evaporator, the air side of the evaporator and institute
The inlet side connection of reheater is stated, the air side of the reheater is connected to the air outlet.
Using the utility model embodiment technical solution, in the first closed loop configuration, water at low temperature in surface air cooler with flow through
The air heat-exchange on surface air cooler surface takes away the partial heat in air, and it is cold to come back to table after then cooling down in water cooling heat source
Device is recycled next time, and the pre-dehumidified to air is realized in the water vapor portion condensation in such air；In the second closed loop configuration
In, refrigerant exchanges heat in evaporator with the air evaporation for flowing through evaporator surface, then cold in the condensation side of Intermediate Heat Exchanger
Solidifying to exchange heat, the vapor in such air further condenses, and realizes and dehumidifies to the depth of air；It is high in third closed loop configuration
Warm water in reheater with flow through the air heat-exchange after the dehumidifying on reheater surface, then heat up for the first time in water cooling heat source laggard
Enter in Intermediate Heat Exchanger, Intermediate Heat Exchanger evaporation side continue evaporation and heat-exchange, come back to after further heating up reheater into
Row recycles next time, thus realizes the heating to the air after dehumidifying, and the air after making dehumidifying is able to maintain more suitable
Temperature, particularly with southern time Nan Tian's weather, the air after dehumidification system dehumidifying can greatly promote relaxing for user
Adaptive experience, meanwhile, compared with prior art, the program can also substantially reduce the energy consumption for making atmosphere temperature rising.
In a specific embodiment, the dehumidification system includes the drip tray positioned at the bottom of cabinet bulk, described
The bottom surface of drip tray is slope surface, and the bottom surface of the drip tray is provided with drainage hole close to the side of bottom of slope.
In a specific embodiment, the cabinet body includes the bottom plate and side plate being detachably connected, the bottom plate tool
There is the first flanging, first flanging includes the first wall, the cross wall connecting with first wall and connects with the cross wall
The second wall connect, the side plate have the second flanging, and second flanging is provided with positioning close to the position of the bottom plate and lacks
Mouthful, when the cross wall is inserted in the locating notch, first wall is located at the outside of second flanging, and described the
Two walls are located at the inside of second flanging and rivet with second flanging.
In a specific embodiment, the dehumidification system further includes being connected to the condensation side and the evaporator
Between restricting element.
In a specific embodiment, the Intermediate Heat Exchanger is plate heat exchanger or shell and tube exchanger.
In a specific embodiment, the dehumidification system further includes the bottom for being removably mounted to the cabinet body
Universal wheel.
In a specific embodiment, level is respectively arranged with along first direction and second direction in the cabinet
Bubble, the change in coordinate axis direction of the first direction, the second direction and vertical direction three-dimensional system of coordinate each other.
The utility model embodiment additionally provides a kind of fresh air dehumidifier, including fresh air system and aforementioned any technical side
Dehumidification system described in case, the fresh air system include wind mixed chamber and the air exhaust passage of setting, institute are isolated with the wind mixed chamber
Wind mixed chamber is stated with fresh air inlet, return air inlet and the outlet of mixed wind, the air inlet of mixed the wind outlet and the dehumidification system
Connection.The fresh air dehumidifier that the embodiment provides can make the air after dehumidifying be able to maintain more suitable temperature.
In a specific embodiment, the fresh air system further includes at least one be set at the fresh air inlet
A fresh air filter screen, and it is set at least one return air filter screen at the return air inlet.
In a specific embodiment, the mixed wind outlet has at least two, and at least two mixed wind goes out
Mouth is located at the adjacent side wall of the wind mixed chamber.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment fresh air dehumidifier；
Fig. 2 is the structural schematic diagram of the utility model embodiment dehumidification system；
Fig. 3 is the structural schematic diagram of the utility model embodiment drip tray；
Fig. 4 is the partial structural diagram one of the utility model embodiment cabinet body；
Fig. 5 is the partial structural diagram two of the utility model embodiment cabinet body；
Fig. 6 is the partial structural diagram three of the utility model embodiment cabinet body；
Fig. 7 is the utility model embodiment fresh air system installation of ceiling schematic diagram；
Fig. 8 is the utility model embodiment fresh air system wall built-up scheme of installation.
Appended drawing reference:
10- fresh air system；11- wind mixed chamber；12- air exhaust passage；13- fresh air inlet；
14- return air inlet；15- mixes wind outlet；131- new air-valve；141- air returning valve；
16- fresh air filter screen；17- return air filter screen；20- dehumidification system；21- air inlet；
22- air outlet；23- cabinet body；24- surface air cooler；25- compressor；26- Intermediate Heat Exchanger；
27- evaporator；28- reheater；29- drip tray；30- water cooling heat source；261- evaporation side；
262- condensation side；291- drainage hole；231- bottom plate；232- side plate；The first flanging of 233-；
The first wall of 234-；235- cross wall；The second wall of 236-；The second flanging of 237-；
238- locating notch；40- universal wheel；50- air level.
Specific embodiment
In order to make the air after dehumidifying be able to maintain more suitable temperature, while reducing system energy consumption, the utility model
Embodiment provides a kind of dehumidification system and fresh air dehumidifier.To make the purpose of this utility model, technical solution and advantage more
It is clear, the utility model is described in further detail by the following examples.
As depicted in figs. 1 and 2, dehumidification system 20 provided by the embodiment of the utility model, including cabinet body 23 and be located at cabinet body
Surface air cooler 24, compressor 25, Intermediate Heat Exchanger 26, evaporator 27, reheater 28 and water cooling heat source 30 in 23, wherein cabinet body
23 have air inlet 21 and form the first closed loop knot with the indoor air outlet 22 being connected to, surface air cooler 24 and the connection of water cooling heat source 30
Structure；Intermediate Heat Exchanger 26 has evaporation side 261 and condensation side 262, and compressor 25, condensation side 262 and evaporator 27 are linked in sequence
Form the second closed loop configuration；Reheater 28, water cooling heat source 30 and the sequential connection of evaporation side 261 form third closed loop configuration；Table is cold
The inlet side of device 24 is connected to air inlet 21, and the air side of surface air cooler 24 is connected to the inlet side of evaporator 27, evaporator 27
Air side is connected to the inlet side of reheater 28, and the air side of reheater 28 is connected to air outlet 22.
Wherein, the concrete type of Intermediate Heat Exchanger 26 is unlimited, such as can be the classes such as plate heat exchanger, shell and tube exchanger
Type.In addition to above-mentioned component, dehumidification system 20 can further include the throttling being connected between condensation side 262 and evaporator 27
Element and the water pump etc. being set in first circulation circuit and third circulation loop, this will not be repeated here.
Using the utility model embodiment technical solution, in the first closed loop configuration, water at low temperature in surface air cooler 24 with stream
Air heat-exchange through 24 surface of surface air cooler takes away the partial heat in air, returns again after then cooling down in water cooling heat source 30
It is recycled next time to surface air cooler 24, the pre-dehumidified to air is realized in the water vapor portion condensation in such air；Second
In closed loop configuration, refrigerant exchanges heat in evaporator 27 with the air evaporation for flowing through 27 surface of evaporator, then exchanges heat in centre
262 condensing heat-exchange of condensation side of device 26, the vapor in such air further condense, and realize and dehumidify to the depth of air；?
In third closed loop configuration, high-temperature water in reheater 28 with flow through the air heat-exchange after the dehumidifying on 28 surface of reheater, then exist
Enter in Intermediate Heat Exchanger 26 after heating up for the first time in water cooling heat source 30, continues evaporation in the evaporation side 261 of Intermediate Heat Exchanger 26 and change
Heat comes back to reheater 28 and is recycled next time, thus realizes the heating to the air after dehumidifying after further heating up,
Air after making dehumidifying is able to maintain more suitable temperature, particularly with southern time Nan Tian's weather, by the dehumidification system
Air after dehumidifying can greatly promote the comfortable sexual experience of user, meanwhile, compared with prior art, the program can also drop significantly
The low energy consumption for making atmosphere temperature rising.
As shown in figure 3, dehumidification system includes the drip tray 29 positioned at bottom of cabinet bulk, the bottom surface of drip tray 29 is slope surface, and
The bottom surface of drip tray 29 is provided with drainage hole 291 close to the side of bottom of slope.In this manner it is ensured that the condensed water in drip tray 29 is logical
It crosses drainage hole 291 to be quickly discharged, avoids accumulating in drip tray 29.
It please refers to shown in Fig. 4, cabinet body includes the bottom plate 231 and side plate 232 being detachably connected, and bottom plate 231 has the first folding
Side 233, the first flanging 233 include the first wall 234, the cross wall 235 connecting with the first wall 234 and connect with cross wall 235
The second wall 236, side plate 232 have the second flanging 237, the second flanging 237 close to the position of bottom plate 231 be provided with positioning lack
Mouth 238, when cross wall 235 is inserted in locating notch 238, the first wall 234 is located at the outside of the second flanging 237, and second is vertical
Wall 236 is located at the inside of the second flanging 237 and rivets with the second flanging 237.Using the technical solution, tearing open for cabinet body can simplify
Difficulty is filled, scraps recycling operation convenient for subsequent.Wherein, the outside of the second flanging 237 refers to that it deviates from the side of interior of the cabinet,
Correspondingly, the inside of the second flanging 237 then refers to its side towards interior of the cabinet.
In addition, as shown in figure 5, dehumidification system further includes the universal wheel 40 for being removably mounted to the bottom of cabinet body 23, thus
Reduce the difficulty that complete machine transfer is carried.Also, for the ease of carrying out horizontal adjustment to complete machine, as shown in fig. 6, along the in cabinet 23
One direction X and second direction Y is respectively arranged with air level 50, and first direction X, second direction Y and vertical direction are three-dimensional each other
The change in coordinate axis direction of coordinate system, can thus evade as install it is lack of standardization and caused by damage to complete machine.
As shown in Figure 1 and Figure 7, the utility model embodiment additionally provides a kind of fresh air dehumidifier, including fresh air system 10
And the dehumidification system 20 of aforementioned any technical solution.Fresh air system 10 is to be widely used in family, office space or business
One of place air exchange device, main operational principle are to mix indoor return air with outdoor fresh air to be then fed into room
It is interior, while outdoor is discharged in the higher air of indoor gaseous state pollutant load, to achieve the purpose that replace room air.However
Since indoor return air and the humidity of the mixed mixed wind of indoor fresh air are often very high, needed before mixed wind is sent into interior
First pass through the exsiccation of dehumidification system 20.
In the utility model embodiment, fresh air system 10 includes wind mixed chamber 11 and the row that setting is isolated with wind mixed chamber 11
Wind channel 12, wind mixed chamber 11 have fresh air inlet 13, return air inlet 14 and mixed wind outlet 15, mix wind outlet 15 and dehumidification system
20 air inlet 21 is connected to.In addition, fresh air inlet 13 is used to for wind mixed chamber 11 being connected to outdoor, return air inlet 14 is used for mixed wind
Room 11 is connected to interior, and air exhaust passage 12 is for draining into indoor foul atmosphere in outdoor environment, it is possible to understand that, fresh air system
The structure of system 10 is not limited to structure type shown in Fig. 1, other structures can also be used, as long as being able to achieve replacement Interior Space
The purpose of gas.
Using the utility model embodiment scheme, the mixed wind after outdoor fresh air is mixed in a certain proportion with indoor return air is sent
Enter and dehumidify in dehumidification system 20, be then sent into the mixed wind after dehumidifying indoor, not only can achieve and purify the air of a room
Purpose, the air after can also making dehumidifying are able to maintain more suitable temperature, improve indoor comfort level.
It please referring to shown in Fig. 7, fresh air system further includes at least one the fresh air filter screen 16 being set at fresh air inlet 13,
And it is set at least one return air filter screen 17 at return air inlet 14.Pass through setting fresh air filter screen 16 or return air filter screen 17
It can enter in wind mixed chamber 11 to avoid the impurity in fresh air or return air, improve the cleanliness of mixed wind, to improve Interior Space
The clean-up effect of gas.Wherein, the specific number of fresh air filter screen 16 and return air filter screen 17 is unlimited, such as can be in fresh air inlet 13
Locate to be stacked four layers of fresh air filter screen 16, two layers of return air filter screen 17 is stacked at return air inlet 14.
In addition, in the utility model embodiment, in order to keep outdoor fresh air and indoor return air fast in wind mixed chamber 11
Speed mixing, fresh air inlet 13 and return air inlet 14 can be respectively arranged on the opposite side wall of wind mixed chamber 11, as shown in Figure 7.
The specific mounting means of fresh air system 10 indoors is unlimited, such as can be installed by furred ceiling mode, can also be by wall built-up side
Formula installation, with reference to shown in Fig. 7 and Fig. 8, Fig. 7 is the schematic diagram of 10 installation of ceiling of fresh air system, and Fig. 8 is 10 wall built-up of fresh air system peace
The schematic diagram of dress, in order to meet outlet air locational requirement of the fresh air system 10 using different installation when, in the utility model reality
It applies in example, wind mixed chamber 11 has at least two mixed wind outlets 15, and at least two mixed wind outlet 15 is located at wind mixed chamber 11
Adjacent side wall on.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of dehumidification system, which is characterized in that changed including cabinet body and positioned at the intracorporal surface air cooler of the cabinet, compressor, centre
Hot device, evaporator, reheater and water cooling heat source, wherein the cabinet body have air inlet and with the indoor air outlet being connected to, it is described
Surface air cooler connects to form the first closed loop configuration with the water cooling heat source；The Intermediate Heat Exchanger has evaporation side and condensation side, institute
Compressor, the condensation side and the evaporator is stated to be linked in sequence to form the second closed loop configuration；The reheater, the water-cooled
Source and the evaporation side are linked in sequence to form third closed loop configuration；The inlet side of the surface air cooler is connected to the air inlet, institute
The air side for stating surface air cooler is connected to the inlet side of the evaporator, the air inlet of the air side of the evaporator and the reheater
Side connection, the air side of the reheater is connected to the air outlet.
2. dehumidification system as described in claim 1, which is characterized in that the dehumidification system includes being located at the bottom of cabinet bulk
The bottom surface of drip tray, the drip tray is slope surface, and the bottom surface of the drip tray is provided with drainage hole close to the side of bottom of slope.
3. dehumidification system as described in claim 1, which is characterized in that the cabinet body includes the bottom plate being detachably connected and side
Plate, the bottom plate have the first flanging, first flanging include the first wall, the cross wall being connect with first wall and
The second wall connecting with the cross wall, the side plate have the second flanging, and second flanging is close to the position of the bottom plate
It is provided with locating notch, when the cross wall is inserted in the locating notch, first wall is located at second flanging
Outside, second wall be located at the inside of second flanging and with second flanging rivet.
4. dehumidification system as described in claim 1, which is characterized in that the dehumidification system further includes being connected to the condensation side
Restricting element between the evaporator.
5. dehumidification system as described in claim 1, which is characterized in that the Intermediate Heat Exchanger is plate heat exchanger or package
Formula heat exchanger.
6. dehumidification system as described in claim 1, which is characterized in that the dehumidification system further include be removably mounted to it is described
The universal wheel of the bottom of cabinet body.
7. dehumidification system as described in any one of claims 1 to 6, which is characterized in that along first direction and the in the cabinet body
Two directions are respectively arranged with air level, the first direction, the second direction and vertical direction three-dimensional system of coordinate each other
Change in coordinate axis direction.
8. a kind of fresh air dehumidifier, which is characterized in that including fresh air system and as described in any one of claims 1 to 7 remove
Wet system, the fresh air system include wind mixed chamber and the air exhaust passage of setting are isolated with the wind mixed chamber, wind mixed chamber's tool
There are fresh air inlet, return air inlet and the outlet of mixed wind, the mixed wind outlet is connected to the air inlet of the dehumidification system.
9. fresh air dehumidifier as claimed in claim 8, which is characterized in that the fresh air system further includes being set to the fresh air
At least one fresh air filter screen of inlet, and it is set at least one return air filter screen at the return air inlet.
10. fresh air dehumidifier as claimed in claim 8 or 9, which is characterized in that the mixed wind is exported at least two, and
At least two mixed wind outlet is located at the adjacent side wall of the wind mixed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830681.8U CN208222769U (en) | 2018-05-30 | 2018-05-30 | A kind of dehumidification system and fresh air dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830681.8U CN208222769U (en) | 2018-05-30 | 2018-05-30 | A kind of dehumidification system and fresh air dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222769U true CN208222769U (en) | 2018-12-11 |
Family
ID=64507484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820830681.8U Active CN208222769U (en) | 2018-05-30 | 2018-05-30 | A kind of dehumidification system and fresh air dehumidifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN208222769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046253A (en) * | 2020-07-20 | 2020-12-08 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
| CN112413754A (en) * | 2020-12-07 | 2021-02-26 | 珠海格力电器股份有限公司 | Air dehumidification system and method and air conditioning equipment |
| CN114294726A (en) * | 2021-12-23 | 2022-04-08 | 珠海格力电器股份有限公司 | Double-cold-source air conditioning system |
-
2018
- 2018-05-30 CN CN201820830681.8U patent/CN208222769U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046253A (en) * | 2020-07-20 | 2020-12-08 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
| CN112046253B (en) * | 2020-07-20 | 2022-04-22 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
| CN112413754A (en) * | 2020-12-07 | 2021-02-26 | 珠海格力电器股份有限公司 | Air dehumidification system and method and air conditioning equipment |
| CN114294726A (en) * | 2021-12-23 | 2022-04-08 | 珠海格力电器股份有限公司 | Double-cold-source air conditioning system |
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Effective date of registration: 20240122 Address after: No. 60-1, Liqiao Section, Shuntong Road, Liqiao Town, Shunyi District, Beijing 101399 Patentee after: BEIJING ZHONGCHUANG GREEN SYSTEM TECHNOLOGY Co.,Ltd. Country or region after: China Address before: Room 501, 5th Floor, Block B, Haige International Building, No. 20 Xuanwumenwai Street, Xicheng District, Beijing, 100052 Patentee before: GUOANRUI (BEIJING) TECHNOLOGY CO.,LTD. Country or region before: China |