CN213178610U

CN213178610U - Air conditioning system

Info

Publication number: CN213178610U
Application number: CN202022101370.8U
Authority: CN
Inventors: 葛海亮; 彭亚美; 张海燕; 张启玉; 黄斌
Original assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Current assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-11
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses an air conditioning system, include: the device comprises a mixing device, a surface cooling device, a first heating device, a second heating device and an air supply device, wherein the mixing device is used for obtaining mixed air; the surface cooling device is used for obtaining dehumidified air and refrigerated water with heat; the first heating device is used for obtaining first heating air; the second heating device is used for obtaining second heated air; and the air supply device is communicated with the second heating device and is used for transmitting the second heated air to the indoor space. The application provides an air conditioning system, heat through having thermal freezing aquatic earlier carries out the heating for the first time to the dehumidification air, obtains first heated air. Then, the first heated air is heated for the second time in an electric heating mode to obtain second heated air, and the temperature of the second heated air is the air supply temperature. This can reduce the consumption of electric power compared to a method of heating the temperature of the dehumidified air to the supply air temperature directly by electric heating.

Description

Air conditioning system

Technical Field

The utility model relates to an air conditioning equipment technical field especially relates to an air conditioning system.

Background

The reheat type air conditioning system is an air conditioning system which firstly processes the temperature of air to the dew point temperature to obtain dehumidified air, and then reheats the dehumidified air in an electric heating mode so that the temperature of the dehumidified air reaches the air supply temperature and then is sent into a room. The reheating type air conditioning system reheats air in an electric heating mode, so that the air supply temperature can be accurately controlled, and the reheating type air conditioning system is widely applied. However, since the reheating is performed by electric heating, a large amount of electric power is consumed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application discloses an air conditioning system, which can reduce the consumption of electric energy.

In order to achieve the above object, the present invention discloses an air conditioning system, including:

the mixing device is used for mixing indoor air and outdoor air to obtain mixed air;

the surface cooling device is communicated with the mixing device and is used for freezing the mixed air through chilled water and dehumidifying the mixed air to obtain dehumidified air and chilled water with heat;

the first heating device is communicated with the surface cooling device and used for heating the dehumidified air for the first time through heat in the refrigerated water with heat to obtain first heated air, and the temperature of the first heated air is lower than the air supply temperature;

the second heating device is communicated with the first heating device and used for heating the first heating air for the second time through electric heating to obtain second heating air, and the temperature of the second heating air is the air supply temperature;

and the air supply device is communicated with the second heating device and is used for transmitting the second heated air to the indoor space.

Further, the mixing device comprises a first air inlet and a second air inlet, the first air inlet is communicated with the indoor air, and the second air inlet is communicated with the outdoor air.

Further, the air conditioning system further includes:

the water chilling unit is respectively communicated with the surface cooling device and the first heating device, and is used for transmitting the chilled water to the surface cooling device;

the water chilling unit is further used for processing the chilled water with heat to obtain chilled water and cooling water with heat, and the water chilling unit is further used for transmitting at least part of the cooling water with heat to the first heating device, and the first heating device is used for heating the dehumidification air for the first time through the cooling water with heat to obtain first heating air and cooling water, transmitting the first heating air to the second heating device, and transmitting the cooling water to the water chilling unit.

Furthermore, the water chilling unit comprises a hot water input end, a cold water output end, a hot water output end and a cold water input end;

the surface cooling device comprises a surface cooler, the surface cooler comprises a freezing input end and a freezing output end, the freezing input end is communicated with the cold water output end, and the freezing output end is communicated with the hot water input end; the water chilling unit is used for transmitting the chilled water to the surface air cooler sequentially through the cold water output end and the freezing input end, and the surface air cooler is used for transmitting the chilled water with heat to the water chilling unit sequentially through the freezing output end and the hot water input end;

the first heating device comprises a heater, the heater comprises a heating input end and a heating output end, the heating input end is communicated with the hot water output end, the heating output end is communicated with the cold water input end, the cold water unit is further used for transmitting at least part of cooling water with heat to the heater through the hot water output end and the heating input end in sequence, and the heater is used for transmitting the cooling water to the cold water unit through the heating output end and the cold water input end in sequence.

Furthermore, a temperature control valve is arranged between the heating output end and the cold water input end, and the temperature control valve is used for adjusting the flow of cooling water between the heating output end and the cold water input end.

Further, the air conditioning system further includes:

the cooling tower comprises a cooling input end and a cooling output end, the cooling input end is communicated with the hot water output end, the cooling output end is communicated with the cold water input end, and the water chilling unit is used for sequentially transmitting cooling water which is not transmitted to the heater and has heat to the cooling tower through the hot water output end and the cooling input end;

and the cooling tower is used for transmitting cooling water to the water chilling unit sequentially through the cooling output end and the cold water input end.

Further, the air conditioning system further includes: an external heating device in communication with the first heating device.

Further, the air conditioning system further includes:

the filtering device is arranged between the mixing device and the surface cooling device, and is respectively communicated with the mixing device and the surface cooling device.

Further, the air conditioning system further comprises a humidifying device, the humidifying device is arranged between the surface cooling device and the first heating device, and the humidifying device is respectively communicated with the surface cooling device and the first heating device.

Further, the air conditioning system further comprises a maintenance area, wherein the maintenance area is arranged between the surface cooling device and the first heating device; and/or the presence of a gas in the gas,

the service area is disposed between the first heating device and the second heating device.

Compared with the prior art, the beneficial effects of the utility model reside in that:

in the embodiment of the present application, when the temperature of the indoor air is adjusted to the temperature satisfying the condition by the air conditioning system, first, the indoor air and the outdoor air may be respectively extracted by the mixing device, and the indoor air and the outdoor air are mixed to obtain the mixed air. Afterwards, because table cold charge is put and mixing arrangement intercommunication, consequently, can transmit mixed air to table cold charge through mixing arrangement, mixed air gets into behind the cold charge of table, and table cold charge can carry out dehumidification processing through the refrigerated water to mixed air, obtains dehumidified air and has thermal refrigerated water.

Then, the first heating device is communicated with the surface cooling device, so that the surface cooling device can transmit heat in the dehumidified air and the refrigerated water with heat to the first heating device, and after the heat in the dehumidified air and the refrigerated water with heat reaches the first heating device, the first heating device can heat the dehumidified air for the first time through the heat to obtain first heated air, wherein the temperature of the first heated air is lower than the air supply temperature. Then, because the second heating device is communicated with the first heating device, the first heating device can transmit the first heated air to the second heating device, after the first heated air reaches the second heating device, the second heating device can perform second heating on the first heated air through electric heating to obtain second heated air, and the temperature of the second heated air is the air supply temperature.

Finally, since the air supply device is communicated with the second heating device, the second heating device can transmit the second heated air to the air supply device, and after the second heated air reaches the air supply device, the air supply device can transmit the second heated air to the indoor space. The temperature of the second heating air is the air supply temperature, so that the temperature of the air sent into the room is the temperature meeting the condition, and the temperature of the indoor air can be adjusted to the temperature meeting the condition.

It can be seen that, in the air conditioning system provided in the embodiment of the present application, since the first heating device heats the dehumidified air for the first time by using the heat in the chilled water with heat, and the heat used by the first heating device 3 to heat the dehumidified air is obtained by the surface cooling device when the mixed air is chilled, the air conditioning system is equivalent to resource recycling, and the dehumidified air is changed into the first heated air by using the heat recycled by the resource recycling. Because when heating the dehumidification air through the heat in the freezing aquatic that has the heat, the rising degree of temperature can not accurate control, consequently, can be through the in-process that above-mentioned heat heated the dehumidification air to first heated air, guarantee that first heated air's temperature is less than air supply temperature, be equivalent to preheating. Then, the first heating air can be heated for the second time in an electric heating mode through the second heating device to obtain second heating air, and the temperature of the first heating air can be accurately heated to the air supply temperature through electric heating because the temperature rising degree can be accurately controlled through the electric heating. Finally, the second heated air which is accurately heated to the air supply temperature can be transmitted to the indoor through the air supply device, so that the temperature of the indoor air can be ensured to be the temperature which meets the conditions.

That is, the air conditioning system provided in the embodiment of the present application first heats the dehumidified air by the heat in the chilled water with heat, and obtains the first heated air. Then, the first heated air is heated for the second time in an electric heating mode to obtain second heated air, and the temperature of the second heated air is the air supply temperature. This can reduce the consumption of electric power compared to a method of heating the temperature of the dehumidified air to the supply air temperature directly by electric heating.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another air conditioning system provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another air conditioning system provided in the embodiments of the present application;

fig. 4 is a schematic structural diagram of another air conditioning system according to an embodiment of the present application.

Description of reference numerals:

1-a mixing device; 2-surface cooling device; 3-a first heating device; 4-a second heating device; 5-an air supply device; 6-a water chilling unit; 7-a cooling tower; 8-external heating means; 9-a filtration device; 10-a humidifying device;

11-a first air inlet; 12-a second air inlet; 13-maintenance area; 21-a freezer; 30-a temperature control valve; 31-a heater; 61-hot water input; 62-cold water output; 63-hot water output; 64-cold water input; 71-cooling input; 72-cooling output; 73-a water pump; 81-external hot water output; 82-external cold water input; 83-a third valve;

211-freezing input; 212-frozen output; 311-heating input; 312-heating output.

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 present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present application will be further described with reference to the following embodiments and accompanying drawings.

Fig. 1 is a schematic structural diagram of an air conditioning system provided in an embodiment of the present application, and referring to fig. 1, the air conditioning system includes: mixing device 1, surface cooling device 2, first heating device 3, second heating device 4 and air supply device 5. The mixing device 1 is used for mixing indoor air and outdoor air to obtain mixed air; the surface cooling device 2 is communicated with the mixing device 1, and the surface cooling device 2 is used for freezing mixed air through chilled water and dehumidifying the mixed air to obtain dehumidified air and chilled water with heat; the first heating device 3 is communicated with the surface cooling device 2, the first heating device 3 is used for heating the dehumidified air for the first time through the heat in the frozen water with heat to obtain first heated air, and the temperature of the first heated air is lower than the air supply temperature; the second heating device 4 is communicated with the first heating device 3, the second heating device 4 is used for heating the first heating air for the second time through electric heating to obtain second heating air, and the temperature of the second heating air is the air supply temperature; the air blowing device 5 is communicated with the second heating device 4, and the air blowing device 5 is used for transmitting the second heated air to the indoor.

In the embodiment of the present application, when the temperature of the indoor air is adjusted to the temperature satisfying the condition by the air conditioning system, first, the indoor air and the outdoor air may be respectively extracted by the mixing device 1, and the indoor air and the outdoor air are mixed to obtain the mixed air. Afterwards, because table cold charge is put 2 and mixing arrangement 1 intercommunication, consequently, can transmit mixed air to table cold charge is put 2 through mixing arrangement 1, and after mixed air got into table cold charge is put 2, table cold charge is put 2 and can carry out dehumidification to mixed air through the refrigerated water, obtains dehumidified air and has thermal refrigerated water.

Then, since the first heating device 3 is communicated with the surface cooling device 2, the surface cooling device 2 can transmit the heat in the dehumidified air and the refrigerated water with heat to the first heating device 3, and after the heat in the dehumidified air and the refrigerated water with heat reaches the first heating device 3, the first heating device 3 can heat the dehumidified air for the first time by the heat to obtain the first heated air, wherein the temperature of the first heated air is lower than the air supply temperature. Then, since the second heating device 4 is communicated with the first heating device 3, the first heating device 3 can transmit the first heated air to the second heating device 4, and after the first heated air reaches the second heating device 4, the second heating device 4 can perform second heating on the first heated air through electric heating to obtain second heated air, and the temperature of the second heated air is the air supply temperature.

Finally, since the air blowing device 5 communicates with the second heating device 4, the second heating device 4 can deliver the second heated air to the air blowing device 5, and after the second heated air reaches the air blowing device 5, the air blowing device 5 can deliver the second heated air to the room. The temperature of the second heating air is the air supply temperature, so that the temperature of the air sent into the room is the temperature meeting the condition, and the temperature of the indoor air can be adjusted to the temperature meeting the condition.

It can be seen that, in the air conditioning system provided in the embodiment of the present application, first the first heating device 3 heats the dehumidified air by using the heat in the chilled water with heat, and the heat used by the first heating device 3 to heat the dehumidified air is obtained by the surface cooling device 2 when the mixed air is chilled, so that the air conditioning system is equivalent to resource recycling, and the dehumidified air is changed into the first heated air by using the heat recycled by the resource recycling. Because when heating the dehumidification air through the heat in the freezing aquatic that has the heat, the rising degree of temperature can not accurate control, consequently, can be through the in-process that above-mentioned heat heated the dehumidification air to first heated air, guarantee that first heated air's temperature is less than air supply temperature, be equivalent to preheating. Then, the second heating air can be obtained by heating the first heating air for the second time by the second heating device 4 in an electric heating mode, and the temperature of the first heating air can be accurately heated to the air supply temperature by electric heating because the temperature rising degree can be accurately controlled by electric heating. Finally, the second heated air, which is accurately heated to the supply air temperature, can be delivered to the room through the air supply device 5, so that the temperature of the room air can be guaranteed to be a temperature that meets the conditions.

Wherein, above-mentioned table cold charge is put 2 and is used for freezing mixed air through the refrigerated water to carry out dehumidification processing to mixed air, the principle that obtains dehumidified air and have thermal refrigerated water is: since the temperature of the mixed air is higher than the dew point temperature and the humidity of the mixed air is relatively high in the summer, the surface cooling device 2 can freeze the mixed air by the chilled water, so that the temperature of the mixed air is reduced until the temperature of the mixed air is reduced to the dew point temperature, at this time, the gaseous water in the mixed air is changed into liquid water and is separated from the mixed air, and at this time, the air from which the gaseous water is separated is the dehumidified air. It can be understood that, in the process of reducing the temperature of the mixed air, according to the energy conservation theorem, heat can be released, and at the moment, the heat can be absorbed by the chilled water, namely the chilled water with heat is obtained.

The dew point temperature is a temperature at which gaseous water can be changed into liquid water, and is usually between 11 ℃ and 16 ℃, so that the temperature of the mixed air can be reduced to between 11 ℃ and 16 ℃ by freezing water, and thus, the gaseous water in the mixed air can be changed into liquid water and separated from the mixed air to obtain the dehumidified air.

The dehumidified air may be air in which gaseous water is not present in the air, or may be air in which gaseous water is relatively small in amount with respect to the mixed air.

The air blowing device 5 may be an air blower or any device capable of delivering the second heated air to the room, and the air blowing device 5 is not limited in the embodiment of the present application.

In some embodiments, referring to fig. 1, the mixing device 1 comprises a first air inlet 11 and a second air inlet 12, the first air inlet 11 being in communication with indoor air and the second air inlet 12 being in communication with outdoor air. Thus, the mixing device 1 can draw indoor air through the first air inlet 11, draw outdoor air through the second air inlet 12, and mix the indoor air and the outdoor air to obtain mixed air.

The shape of each of the first air inlet 11 and the second air inlet 12 may be rectangular, circular, and the like, which is not limited in the embodiment of the present application. In addition, in order to prevent the foreign matters from entering the mixing device 1 through the first air inlet 11 or the second air inlet 12, filter screens may be respectively disposed on the first air inlet 11 and the second air inlet 12, so that the foreign matters can be prevented from entering the mixing device 1 through the first air inlet 11 or the second air inlet 12.

In some embodiments, referring to fig. 1, the air conditioning system further comprises: a water chilling unit 6. The water chilling unit 6 is respectively communicated with the surface cooling device 2 and the first heating device 3, the water chilling unit 6 is used for transmitting chilled water to the surface cooling device 2, the surface cooling device 2 is used for freezing mixed air through the chilled water to obtain chilled water with heat, and the chilled water with the heat is transmitted to the water chilling unit 6; the water chilling unit 6 is further configured to treat chilled water with heat to obtain chilled water and cooling water with heat, the water chilling unit 6 is further configured to transmit at least part of the cooling water with heat to the first heating device 3, the first heating device 3 is configured to heat the dehumidified air for the first time by the cooling water with heat to obtain first heated air and cooling water, and transmit the first heated air to the second heating device 4 and transmit the cooling water to the water chilling unit 6.

In this embodiment, since the water chiller 6 communicates with the surface cooling device 2, the water chiller 6 can transfer chilled water into the surface cooling device 2. After the chilled water reaches the surface cooling device 2, the mixed air can be cooled through the chilled water to obtain dehumidified air and chilled water with heat, and the surface cooling device 2 transmits the chilled water with heat to the water chilling unit 6. After the chilled water with heat reaches the water chilling unit 6, the water chilling unit 6 may process the chilled water with heat to obtain chilled water and cooling water with heat, wherein the water chilling unit 6 may re-input the chilled water into the surface cooling device 2, and at the same time, may transfer at least part of the cooling water with heat to the first heating device 3. At this time, since the dehumidified air is also in the first heating device 3, the dehumidified air can be heated for the first time by the heated cooling water to obtain the first heated air, and meanwhile, since the heated cooling water releases heat, the cooling water is obtained after the heat release, that is, the first heated air and the cooling water are obtained. The cooling water can then be conveyed by the first heating device 3 into the cold water unit 6 and the first heated air into the second heating device 4.

That is, the purpose of providing chilled water for the surface cooling device 2 and providing cooling water with heat for the first heating device 3 can be achieved through the water chiller 6, and the implementation mode is simple.

Specifically, in some embodiments, referring to fig. 1, the chiller 6 includes a hot water input 61, a cold water output 62, a hot water output 63, and a cold water input 64; the surface cooling device 2 comprises a surface cooler 21, the surface cooler 21 comprises a freezing input end 211 and a freezing output end 212, the freezing input end 211 is communicated with the cold water output end 62, and the freezing output end 212 is communicated with the hot water input end 61; the water chilling unit 6 is used for transmitting chilled water to the surface air cooler 21 sequentially through the cold water output end 62 and the freezing input end 211, and the surface air cooler 21 is used for transmitting the chilled water with heat to the water chilling unit 6 sequentially through the freezing output end 212 and the hot water input end 61; the first heating device 3 comprises a heater 31, the heater 31 comprises a heating input end 311 and a heating output end 312, the heating input end 311 is communicated with the hot water output end 63, the heating output end 312 is communicated with the cold water input end 64, the water chilling unit 6 is further used for transmitting at least part of cooling water with heat to the heater 31 through the hot water output end 63 and the heating input end 311 in sequence, and the heater 31 is used for transmitting the cooling water to the water chilling unit 6 through the heating output end 312 and the cold water input end 64 in sequence.

Thus, when the mixed air needs to be frozen by the surface air cooler 21 to obtain the dehumidified air, firstly, the chilled water in the water chiller 6 can sequentially pass through the cold water output end 62 of the water chiller 6 to reach the freezing input end 211 of the surface air cooler 21 and enter the surface air cooler 21 through the freezing input end 211, then the surface air cooler 21 can cool the mixed air by the chilled water entering the surface air cooler to obtain the dehumidified air and the chilled water with heat, and finally, the chilled water with heat can sequentially pass through the freezing output end 212 of the surface air cooler 21 and the hot water input end 61 of the water chiller 6 to enter the water chiller 6, so that the purpose of freezing the mixed air by the surface air cooler 21 to obtain the dehumidified air is achieved.

When the dehumidified air needs to be heated for the first time by the heater 31 to obtain the first heated air, firstly, the water chilling unit 6 may process the chilled water with heat entering the water chilling unit 6 to obtain chilled water and cooling water with heat, wherein at least a part of the cooling water with heat in the water chilling unit 6 may enter the heater 31 through the hot water output end 63 of the water chilling unit 6 and the heating input end 311 of the heater 31 in sequence, and then the heater 31 may heat the dehumidified air for the first time by the cooling water with heat at least, and simultaneously, the temperature of the cooling water with heat at least is reduced to obtain cooling water, and the cooling water is input to the water chilling unit 6 through the heating output end 312 of the heating heater 31 and the cooling water input end 64 of the water chilling unit 6 in sequence. Thus, the purpose of obtaining the first heated air by heating the dehumidified air for the first time by the heater 31 is achieved.

In some embodiments, referring to fig. 2, a thermostatic valve 30 is disposed between the heating output 312 and the cold water input 64, the thermostatic valve 30 being used to regulate the flow of cooling water between the heating output 312 and the cold water input 64. By arranging the thermostat valve 30 between the heating output end 312 and the cold water input end 64, the flow rate of the cooling water between the heating output end 312 and the cold water input end 64 can be adjusted, so that the flow rate of the cooling water with heat in the heater 31 can be adjusted, and the temperature of the first heating air can be adjusted by adjusting the flow rate of the cooling water with heat in the heater 31, so that the temperature of the first heating air is ensured to be lower than the air supply temperature.

Specifically, in a possible implementation manner, temperature detection sensors may be disposed on both the heating input end 311 and the heating output end 312, and the temperature T1 of the cooling water with heat at the heating input end 311 and the temperature T2 of the cooling water at the heating output end 312 may be detected by the temperature detection sensors, and then, the temperature difference between the cooling water with heat and the cooling water may be determined, and after obtaining the temperature difference, the heat released by the cooling water with heat becoming the cooling water may be determined by the flow rate of the cooling water with heat in the heater 31, theoretically, the heat absorbed by the heater 31, that is, the heat absorbed by the dehumidified air becoming the first heated air, and then, the temperature of the first heated air may be determined.

Based on the above principle, when it is determined based on T1 and T2 that the temperature of the first heated air is higher than the supply air temperature, the flow rate of the cooling water with heat in the heater 31 can be reduced. Specifically, the opening degree of the thermo-valve 30 may be adjusted to be low, so that the flow rate of the cooling water with heat entering the heater 31 in the heater 31 is reduced, thereby reducing the temperature of the first heated air.

When it is determined based on T1 and T2 that the temperature of the first heated air is lower than the supply air temperature and exceeds the allowable error temperature range, the flow rate of the cooling water with heat in the heater 31 can be increased. Specifically, the opening degree of the thermo-valve 30 may be increased, so that the flow rate of the cooling water with heat entering the heater 31 in the heater 31 is increased, and the temperature of the first heated air is increased until the temperature of the first heated air is lower than the supply air temperature and within the allowable error temperature range.

Wherein the allowable error temperature range may be 0 ℃ to 2 ℃. When the error temperature range is 0-2 ℃, and the air supply temperature is 26 ℃, the temperature of the first heated air is 24-26 ℃, and when the temperature of the first heated air is less than 24 ℃, the opening degree of the temperature control valve 30 can be increased, so that the flow of the cooling water with heat entering the heater 31 in the heater 31 is increased, and the temperature of the first heated air is further increased until the temperature of the first heated air is within the range of 24-26 ℃.

When the temperature of the first heated air is higher than 26 ℃, the opening degree of the thermostatic valve 30 can be adjusted to be lower, so that the flow rate of the cooling water with heat entering the heater 31 in the heater 31 is reduced, and the temperature of the first heated air is further reduced until the temperature of the first heated air is in the range of 24 ℃ to 26 ℃.

Of course, the allowable error temperature range may be other ranges, and the embodiment of the present application is not limited thereto.

In some embodiments, referring to fig. 2, the air conditioning system further comprises a cooling tower 7, the cooling tower 7 comprises a cooling input 71 and a cooling output 72, the cooling input 71 is in communication with the hot water output 63, the cooling output 72 is in communication with the cold water input 64, and the chiller 6 is configured to deliver the heated cooling water that is not delivered to the heater 31 to the cooling tower 7 sequentially through the hot water output 63 and the cooling input 71; the cooling tower 7 is used for transmitting cooling water to the water chilling unit 6 through the cooling output end 72 and the cold water input end 64 in sequence.

In this embodiment, since the cooling tower 7 includes the cooling input end 71 and the cooling input end 71 is communicated with the hot water output end 63, the cooling water with heat which is not transmitted to the heater 31 in the water chilling unit 6 can sequentially pass through the hot water output end 63 and the cooling input end 71 to enter the cooling tower 7, and the cooling tower 7 can cool the cooling water with heat which is not transmitted to the heater 31 to obtain the cooling water. Then, the cooling tower 7 may transmit the cooling water to the chiller 6 through the cooling output end 72 and the cold water input end 64 in sequence, so that the cooling water with heat, which is not transmitted to the heater 31, may be cooled by the cooling tower 7, heat is released, and the cooling water is transmitted to the chiller 6, thereby forming a circulation.

It should be noted that, in order to enable the water chilling unit 6 to transfer the cooling water with heat which is not transferred to the heater 31 to the cooling tower 7, in a possible implementation manner, referring to fig. 2, a water pump 73 may be disposed between the cold water input end 64 and the cooling output end 72, so that the cooling water with heat which is not transferred to the heater 31 in the water chilling unit 6 may be pumped to the cooling tower 7 by the water pump 73.

As can be seen from the above description, the heat quantity used by the first heating device 3 to heat the dehumidified air for the first time is the heat quantity released by the surface cooling device 2 when the mixed air is dehumidified, and for some scenarios that do not require the mixed air to be dehumidified by the surface cooling device 2, for example, in winter, the mixed air may not need to be dehumidified by the surface cooling device 2, and then, in order to ensure that the dehumidified air can be continuously heated for the first time by the first heating device 3, in some embodiments, referring to fig. 3, the air conditioning system further includes: an external heating device 8, the external heating device 8 being in communication with the first heating device 3. Therefore, heat can be transmitted to the first heating device 3 through the external heating device 8, and then the first heating of the dehumidified air through the first heating device 3 can be realized, so that the air conditioning system is suitable for more application scenes.

The external heating device 8 may be a heating device in a municipal industry, or an industrial device that generates waste heat, and the embodiment of the present application is not limited thereto.

The above-mentioned need not carry out dehumidification processing to mixed air through surface cooling device 2 during winter is only a possible application scenario, of course, in another possible application scenario, also can carry out dehumidification processing to mixed air through surface cooling device 2 during winter, and this is not limited in the embodiment of this application.

In addition, in some scenes, when the heat released by the chilled water with heat obtained by the surface cooling device 2 during dehumidification of the mixed air is not enough to satisfy the heat required by the first heating device 3 for heating the dehumidified air for the first time, the dehumidified air can be further heated by the external heating device 8 on the basis of heating the dehumidified air by the heat of the chilled water with heat, so that the dehumidified air can be heated by the first heating device 3 into the first heated air.

When the air conditioning system further comprises the external heat supply device 8, in particular, in a possible implementation manner, referring to fig. 3, the external heat supply device 8 may comprise an external hot water output 81 and an external cold water input 82, the external heat supply device 8 is configured to input external hot water to the heater 31 through the external hot water output 81 and the heating input 311, the heater 31 is configured to heat the dehumidified air for the first time through the external hot water, obtain first heated air and cooling water, and transmit the cooling water to the external heat supply device 8 through the heating output 312 and the external cold water input 82 in sequence.

When heat is transferred to the heater 31 through the external heating device 8, in order to prevent external hot water from entering the water chilling unit 6 through the hot water output end 63 or entering the cooling tower 7 through the cooling input end 71, first valves may be disposed at both the hot water output end 63 and the cooling input end 71, and the first valves are kept in a closed state, so that the external hot water is prevented from entering the water chilling unit 6 through the hot water output end 63 or entering the cooling tower 7 through the cooling input end 71. In order to avoid the cooling water from entering the chiller 6 through the cold water input 64 or entering the cooling tower 7 through the cooling output 72, a second valve may be provided at both the cold water input 64 and the cooling output 72, and the second valve is ensured to be in a closed state, so that the cooling water can be prevented from entering the chiller 6 through the cold water input 64 or entering the cooling tower 7 through the cooling output 72.

When heat is not required to be transferred to the heater 31 through the external heating device 8, but heat is transferred to the heater 31 through the cold water unit 6, referring to fig. 3, the third valves 83 may be disposed at the external hot water output end 81 and the cold water input end 82, and at the same time, the third valves 83 are both in the closed state, and the first valves and the second valves are both in the open state, so that heat may be transferred to the heater 31 through the cold water unit 6.

In order to filter the air sucked into the air conditioning system so that the air delivered to the room through the air supply device 5 is clean, in some embodiments, referring to fig. 4, the air conditioning system further includes: the filtering device 9 is arranged between the mixing device 1 and the surface cooling device 2, and the filtering device 9 is respectively communicated with the mixing device 1 and the surface cooling device 2. In this way, the air entering the air conditioning system can be filtered by the filtering device 9, and the air transmitted to the room through the air supply device 5 is ensured to be clean, so that the air in the room is fresh.

The filter device 9 may be a dust filter element, a formaldehyde filter element, or the like, which is not limited in the embodiment of the present application.

In order to humidify the air entering the air conditioning system, so that the humidity of the air delivered to the room through the air supply device 5 meets the requirement, in some embodiments, the air conditioning system further comprises a humidifying device 10, the humidifying device 10 is arranged between the surface cooling device 2 and the first heating device 3, and the humidifying device 10 is respectively communicated with the surface cooling device 2 and the first heating device 3. In this way, the air entering the air conditioning system can be humidified by the humidifying device 10, and the humidity of the air delivered to the room through the air supply device 5 is satisfactory.

In order to facilitate the maintenance of the air conditioning system, in one possible implementation, the air conditioning system is provided with a maintenance area 13, and the maintenance area 13 is arranged between the surface cooling device 2 and the first heating device 3. In this way, it is convenient to perform maintenance through the maintenance area 13 when abnormality occurs in the surface cooling device 2 or the first heating device 3.

In another possible implementation, the service area 13 is provided between the first heating device 3 and the second heating device 4, so that the first heating device 3 or the second heating device 4 can be serviced through the service area 13 in case of an abnormality of the first heating device 3 or the second heating device 4.

In yet another possible implementation manner, a service area 13 may be provided between the surface cooling device 2 and the first heating device 3, and between the first heating device 3 and the second heating device 4, so that the service area 13 can be used for service when the surface cooling device 2, the first heating device 3 and the second heating device 4 are abnormal.

Of course, the service area 13 may also be disposed in other parts of the air conditioning system, and the disposed position of the service area 13 is not limited in the embodiment of the present application.

Specifically, the access door can be arranged on the access area 13, so that when the surface cooling device 2, the first heating device 3 or the second heating device 4 are required to wait for the access of the object shape, the access door close to the object to be maintained is only required to be opened, and the object to be maintained can be maintained.

In summary, in the air conditioning system provided in the embodiment of the present application, since the first heating device 3 heats the dehumidified air for the first time by using the heat in the chilled water with heat, and the heat used by the first heating device 3 to heat the dehumidified air is obtained by the surface cooling device 2 when the mixed air is chilled, the air conditioning system is equivalent to resource recycling, and the dehumidified air is changed into the first heated air by using the heat recycled by the resource recycling. Because when heating the dehumidification air through the heat in the freezing aquatic that has the heat, the rising degree of temperature can not accurate control, consequently, can be through the in-process that above-mentioned heat heated the dehumidification air to first heated air, guarantee that first heated air's temperature is less than air supply temperature, be equivalent to preheating. Then, the second heating air can be obtained by heating the first heating air for the second time by the second heating device 4 in an electric heating mode, and the temperature of the first heating air can be accurately heated to the air supply temperature by electric heating because the temperature rising degree can be accurately controlled by electric heating. Finally, the second heated air, which is accurately heated to the supply air temperature, can be delivered to the room through the air supply device 5, so that the temperature of the room air can be guaranteed to be a temperature that meets the conditions.

The air conditioning system disclosed by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying a specific example, and the description of the above embodiment is only used to help understanding the air conditioning system and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. An air conditioning system, comprising:

2. The air conditioning system of claim 1, wherein the mixing device includes a first air inlet in communication with the indoor air and a second air inlet in communication with the outdoor air.

3. The air conditioning system of claim 1, further comprising:

4. The air conditioning system of claim 3, wherein the chiller includes a hot water input, a cold water output, a hot water output, and a cold water input;

5. The air conditioning system of claim 4, wherein a thermostatic valve is disposed between the heating output and the cold water input for regulating the flow of cooling water between the heating output and the cold water input.

6. The air conditioning system of claim 4, further comprising:

7. The air conditioning system of claim 1, further comprising: an external heating device in communication with the first heating device.

8. The air conditioning system of claim 1, further comprising: the filtering device is arranged between the mixing device and the surface cooling device, and is respectively communicated with the mixing device and the surface cooling device.

9. The air conditioning system of claim 1, further comprising a humidifying device disposed between the surface cooling device and the first heating device, and in communication with the surface cooling device and the first heating device, respectively.

10. The air conditioning system of claim 1, further comprising a service area disposed between the surface cooling device and the first heating device; and/or the presence of a gas in the gas,