CN211084265U - Fresh air handling unit - Google Patents
Fresh air handling unit Download PDFInfo
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- CN211084265U CN211084265U CN201921720289.9U CN201921720289U CN211084265U CN 211084265 U CN211084265 U CN 211084265U CN 201921720289 U CN201921720289 U CN 201921720289U CN 211084265 U CN211084265 U CN 211084265U
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Abstract
The application relates to a fresh air handling unit, and belongs to the technical field of fresh air equipment. The application includes: the inlet of the water meter cooler is connected with the outlet of the cold water source; the water-cooled condenser is characterized in that a first flow path and a second flow path which are connected in parallel are formed on the water inlet side of the water-cooled condenser, the water inlet of the water-cooled condenser is connected with the outlet of the water meter cooler through the first flow path, and the water inlet of the water-cooled condenser is also connected with the outlet of a cold water source through the second flow path. Through this application, can adjust the heat exchange water that obtains water-cooled condenser with the heat that water gauge cooler and air inlet heat exchange acquireed, help realizing single cold water source water supply to help reduce cost, reduce the energy consumption, promote the efficiency.
Description
Technical Field
This application belongs to new trend equipment technical field, concretely relates to new trend unit.
Background
In the correlation technique, some fresh air handling units have the functions of dehumidification and temperature regulation, and the treatment process is as follows: after the fresh air enters from the air inlet of the fresh air fan unit, the fresh air is firstly subjected to primary cooling and dehumidification through the water meter cooler, then subjected to secondary cooling and dehumidification through the evaporator, then heated through the air-cooled condenser, and finally sent into the room through the air supply fan. In the related application, in order to obtain better temperature regulation effect, the evaporator also provides the refrigerant through the water-cooled condenser, the water-cooled condenser needs water to exchange heat with the refrigerant in the water-cooled condenser to realize the control of the refrigerant, the water used by the water meter cooler is used for primarily cooling and dehumidifying the inlet air, so the water-cooled condenser and the water meter cooler have different requirements on the water temperature, in practical application, the water meter cooler and the water-cooled condenser are supplied with water by different cold water sources respectively, taking water supply of a water-cooled condenser as an example, because the refrigerant in the water-cooled condenser needs to be controlled, the water-cooled condenser provides the required heat exchange water by using a special cooling tower as a cold water source, the cooling tower controls the heat exchange water supplied to the water-cooled condenser, thereby realizing the control of the refrigerant in the water-cooled condenser.
Above-mentioned water gauge cooler and water-cooled condenser both supply water through the condition of different cold water sources respectively, the problem that exists is: the water-cooled condenser and the water meter cooler respectively use different cold water sources for water supply, on one hand, the cost investment is increased, on the other hand, although the water meter cooler independently uses the cold water source for water supply, in the operation process of the fresh air handling unit, the energy consumption of the cooling tower is still very high.
Thus, there is still a need for energy efficiency in fresh air handling units.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the correlation technique at least to a certain extent, this application provides fresh air handling unit to utilize the heat that water gauge cooler and air inlet heat exchange obtained to adjust the heat exchange water that obtains water-cooled condenser, help reducing energy consumption, reduce cost, promote the efficiency.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the application provides a fresh air handling unit, includes:
the inlet of the water meter cooler is connected with the outlet of the cold water source;
the water-cooled condenser, the water inlet side of water-cooled condenser is formed with parallelly connected first flow path and second flow path, water-cooled condenser's water inlet passes through first flow path with the exit linkage of water meter cooler, and water-cooled condenser's water inlet still passes through the second flow path with the exit linkage in cold water source.
Further, the fresh air handling unit further comprises:
and the first flow regulating valve is arranged on the inlet side flow path of the water meter cooler and is used for regulating the water flow supplied to the water meter cooler by the cold water source.
Further, the fresh air handling unit further comprises:
and the second flow regulating valve is arranged on the second flow path and used for regulating the water flow of the cold water source directly supplied to the water-cooled condenser.
Further, the fresh air handling unit further comprises:
the evaporator is arranged on the air outlet side of the water meter cooler, and the inlet of the evaporator is connected with the refrigerant outlet of the water-cooled condenser;
and the first throttle valve is arranged on a refrigerant outlet side flow path of the water-cooled condenser.
Further, the fresh air handling unit further comprises:
the air-cooled condenser is arranged on the air outlet side of the evaporator, and the inlet of the evaporator is also connected with the outlet of the air-cooled condenser;
and the second throttle valve is arranged on an outlet side flow path of the air-cooled condenser.
Further, the fresh air handling unit further comprises:
and the outlet of the compressor is respectively connected with the refrigerant inlet of the water-cooled condenser and the inlet of the air-cooled condenser, and the inlet of the compressor is connected with the outlet of the evaporator.
Further, the fresh air handling unit further comprises:
and the fan is used for enabling the fresh air handling unit to form air inlet, and the air inlet sequentially passes through the water cooler, the evaporator and the air-cooled condenser.
Further, the fan is arranged on the air outlet side of the air-cooled condenser.
Further, the fresh air handling unit further comprises:
a check valve disposed on the first flow path.
Further, the fresh air handling unit further comprises:
and the water inlet side of the water-cooled condenser is connected with the first flow path and the second flow path through the water mixing valve.
This application adopts above technical scheme, possesses following beneficial effect at least:
this application can mix through water meter cooler play water and cold water source play water, offers water cooled condenser to use, realizes utilizing water meter cooler and the heat that the air inlet heat exchange acquireed to adjust the heat exchange water that obtains water cooled condenser, and then can realize reaching and replace the cooling tower to the water cooled condenser effect of adjusting that supplies water, helps realizing that the singly cold water source supplies water to help reduce cost, reduce the energy consumption, promote the efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fresh air handling unit according to an embodiment of the present application;
in the figure:
1-a fresh air unit and 2-a cold water source;
101-water cooler, 102-water-cooled condenser, 103-first flow regulating valve, 104-second flow regulating valve, 105-check valve, 106-water mixing valve, 107-evaporator, 108-air-cooled condenser, 109-compressor, 110-first throttle valve, 111-second throttle valve, and 112-fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a fresh air handling unit according to an embodiment of the present application, and as shown in fig. 1, the fresh air handling unit 1 includes:
an inlet of the water meter cooler 101 is connected with an outlet of the cold water source 2;
water cooled condenser 102, water cooled condenser 102's water inlet side is formed with parallelly connected first flow path and second flow path, water cooled condenser 102's water inlet passes through first flow path with the exit linkage of water surface cooler 101, and water cooled condenser 102's water inlet still passes through the second flow path with the exit linkage of cold water source 2.
Specifically, through the scheme of the embodiment, water can be supplied through the single cold water source 2, so that the respective water inlet requirements of the water cooler 101 and the water-cooled condenser 102 are met, and meanwhile, the energy consumption is reduced and the energy efficiency is improved. The cold water source 2 supplies water to the water meter cooler 101, after the water supplied from the cold water source 2 enters the water meter cooler 101, the water meter cooler 101 can perform preliminary cooling and dehumidification on inlet air, heat in the inlet air is absorbed, and the water from the water meter cooler 101 is mixed with the water directly supplied to the water-cooled condenser 102 from the cold water source 2 and is supplied to the water-cooled condenser 102. The water discharged from the water meter cooler 101 is mixed with the water discharged from the cold water source 2 and is supplied to the water-cooled condenser 102 for use, so that the heat obtained by the heat exchange between the water meter cooler 101 and the intake air is used for adjusting the heat exchange water of the water-cooled condenser 102, and the effect of replacing a cooling tower to adjust the water supply of the water-cooled condenser 102 can be achieved, and therefore, the water supply of the single cold water source 2 can be achieved through the scheme of the embodiment, the cost is reduced, the energy consumption is reduced, and the energy efficiency is improved.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
and the first flow regulating valve 103 is arranged on the inlet side flow path of the water meter cooler 101 and is used for regulating the water flow supplied to the water meter cooler 101 by the cold water source 2.
Specifically, the on-off of the first flow regulating valve 103 is controlled, and whether precooling and dehumidification of inlet air are needed can be controlled.
And a second flow rate regulating valve 104 disposed on the second flow path for regulating a flow rate of water directly supplied from the cold water source 2 to the water-cooled condenser 102.
Specifically, when the first flow rate adjustment valve 103 and the second flow rate adjustment valve 104 are both open, the water entering the water inlet of the water-cooled condenser 102 is a mixture of the water exiting from both the first flow path and the second flow path, wherein, the water from the first flow path is discharged from the water meter cooler 101, the water from the second flow path is directly provided by the cold water source 2, after the water from the cold water source 2 enters the water meter cooler 101, the water meter cooler 101 can carry out primary cooling and dehumidification on the inlet air, absorb the heat in the air, therefore, after the water from the first flow path and the water from the second flow path are mixed, the water is regulated, for example, the cold water source 2 can be underground water with stable low temperature, the heat obtained by the heat exchange between the water cooler 101 and the inlet air is utilized to regulate the heat exchange water of the water-cooled condenser 102, further, the water supply regulation effect of the water-cooled condenser 102 can be achieved instead of the cooling tower.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
a check valve 105 disposed on the first flow path.
Specifically, a check valve 105 is provided in the first flow path to prevent water from flowing backward from the water outlet of the water cooler 101.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
and a mixing valve 106, wherein the water inlet side of the water-cooled condenser 102 is connected with the first flow path and the second flow path through the mixing valve 106.
Specifically, water flowing out of the water outlet of the water meter cooler 101 enters the water mixing valve 106 through the first flow path, and part of water supplied from the cold water source 2 enters the water mixing valve 106 through the second flow path, and the water coming out of the water mixing valve 106 is a mixture of two paths of water, so that the water is regulated and then is supplied to the water-cooled condenser 102 for heat exchange.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
the evaporator 107 is arranged on the air outlet side of the water meter cooler 101, and an inlet of the evaporator 107 is connected with a refrigerant outlet of the water-cooled condenser 102;
the first throttle valve 110 is disposed on the refrigerant outlet side flow path of the water-cooled condenser 102.
Specifically, the water-cooled condenser 102 and the evaporator 107 form a refrigerant flow path, the evaporator 107 is disposed on the air outlet side of the water cooler 101, after the air passes through the water cooler 101, the air passes through the evaporator 107, and the evaporator 107 performs secondary cooling and dehumidification on the passing air, the outgoing air is dry and cold air, and the refrigerant supplied to the evaporator 107 by the water-cooled condenser 102 can be adjusted and controlled through the first throttle valve 110.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
the air-cooled condenser 108 is arranged on the air outlet side of the evaporator 107, and the inlet of the evaporator 107 is also connected with the outlet of the air-cooled condenser 108;
and a second throttle valve 111 provided in an outlet-side flow path of the air-cooled condenser 108.
Specifically, the evaporator 107 and the air-cooled condenser 108 form a refrigerant flow path, the evaporator 107 is used for receiving the refrigerant of the air-cooled condenser 108, and an additional evaporator 107 is not required to be separately arranged for the air-cooled condenser 108. The air-cooled condenser 108 is provided on the air outlet side of the evaporator 107, and the air passes through the evaporator 107 to form dry and cool air, the temperature of which is further lowered, and the dry and cool air is heated by heat released by condensation performed by the air-cooled condenser 108 in the air-cooled condenser 108, and the heated dry air is supplied to the room. The refrigerant supplied from the air-cooled condenser 108 to the evaporator 107 can be controlled by the second throttle valve 111.
In practical applications, the degree of contribution of both the water-cooled condenser 102 and the air-cooled condenser 108 to cooling and dehumidifying of the evaporator 107 can be adjusted by the cooperation of the first throttle valve 110 and the second throttle valve 111.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
and an outlet of the compressor 109 is connected to a refrigerant inlet of the water-cooled condenser 102 and an inlet of the air-cooled condenser 108, respectively, and an inlet of the compressor 109 is connected to an outlet of the evaporator 107.
Specifically, the water-cooled condenser 102 and the air-cooled condenser 108 form a parallel refrigerant flow path, the refrigerant supplied by the compressor 109 is divided into two parts, one part of the refrigerant enters the water-cooled condenser 102 to exchange heat with water and then enters the evaporator 107, the other part of the refrigerant enters the air-cooled condenser 108 to exchange heat with passing air, the passing air is heated and then enters the evaporator 107, the refrigerant entering the evaporator 107 comes from two places, and the dehumidification capacity is enhanced.
As shown in fig. 1, in an embodiment, the fresh air handling unit 1 further includes:
and the fan 112 is used for enabling the fresh air handling unit 1 to form air inlet, and sequentially passes through the water cooler 101, the evaporator 107 and the air-cooled condenser 108.
Further, the fan 112 is disposed on the air outlet side of the air-cooled condenser 108.
Specifically, as shown in fig. 1, an arrow shown in fig. 1 indicates an air inlet direction, and the air blower 112 can form inlet air for outdoor air, so that the inlet air is sequentially cooled and dehumidified by the water meter cooler 101 and the evaporator 107 to obtain dry and cold air, and is heated by the air-cooled condenser 108 to obtain dry air with increased temperature, and then the dry air is sent into a room to meet the dehumidification and temperature adjustment requirements of users.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, the meaning of "plurality" means at least two unless otherwise specified.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. Further, "connected" as used herein may include wirelessly connected. The term "and/or" is used to include any and all combinations of one or more of the associated listed items.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A fresh air handling unit, comprising:
the inlet of the water meter cooler is connected with the outlet of the cold water source;
the water-cooled condenser, the water inlet side of water-cooled condenser is formed with parallelly connected first flow path and second flow path, water-cooled condenser's water inlet passes through first flow path with the exit linkage of water meter cooler, and water-cooled condenser's water inlet still passes through the second flow path with the exit linkage in cold water source.
2. The fresh air handling unit of claim 1, further comprising:
and the first flow regulating valve is arranged on the inlet side flow path of the water meter cooler and is used for regulating the water flow supplied to the water meter cooler by the cold water source.
3. The fresh air handling unit of claim 2, further comprising:
and the second flow regulating valve is arranged on the second flow path and used for regulating the water flow of the cold water source directly supplied to the water-cooled condenser.
4. The fresh air handling unit of claim 3, further comprising:
the evaporator is arranged on the air outlet side of the water meter cooler, and the inlet of the evaporator is connected with the refrigerant outlet of the water-cooled condenser;
and the first throttle valve is arranged on a refrigerant outlet side flow path of the water-cooled condenser.
5. The fresh air handling unit of claim 4, further comprising:
the air-cooled condenser is arranged on the air outlet side of the evaporator, and the inlet of the evaporator is also connected with the outlet of the air-cooled condenser;
and the second throttle valve is arranged on an outlet side flow path of the air-cooled condenser.
6. The fresh air handling unit of claim 5, further comprising:
and the outlet of the compressor is respectively connected with the refrigerant inlet of the water-cooled condenser and the inlet of the air-cooled condenser, and the inlet of the compressor is connected with the outlet of the evaporator.
7. The fresh air handling unit according to claim 5 or 6, further comprising:
and the fan is used for enabling the fresh air handling unit to form air inlet, and the air inlet sequentially passes through the water cooler, the evaporator and the air-cooled condenser.
8. The fresh air handling unit of claim 7, wherein the fan is disposed on an air outlet side of the air-cooled condenser.
9. The fresh air handling unit of claim 1, further comprising:
a check valve disposed on the first flow path.
10. The fresh air handling unit of claim 1, further comprising:
and the water inlet side of the water-cooled condenser is connected with the first flow path and the second flow path through the water mixing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720289.9U CN211084265U (en) | 2019-10-14 | 2019-10-14 | Fresh air handling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720289.9U CN211084265U (en) | 2019-10-14 | 2019-10-14 | Fresh air handling unit |
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| CN211084265U true CN211084265U (en) | 2020-07-24 |
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| CN201921720289.9U Active CN211084265U (en) | 2019-10-14 | 2019-10-14 | Fresh air handling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701691A (en) * | 2019-10-14 | 2020-01-17 | 珠海格力电器股份有限公司 | Fresh air handling unit and control method |
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2019
- 2019-10-14 CN CN201921720289.9U patent/CN211084265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701691A (en) * | 2019-10-14 | 2020-01-17 | 珠海格力电器股份有限公司 | Fresh air handling unit and control method |
| CN110701691B (en) * | 2019-10-14 | 2023-04-25 | 珠海格力电器股份有限公司 | Fresh air unit and control method |
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