CN218033470U - Heat exchange device and air conditioning equipment - Google Patents

Abstract

The utility model belongs to the technical field of electrical apparatus, concretely relates to heat transfer device and air conditioning equipment. The heat exchange device comprises: an air supply heat exchanger; the first end of the return air heat exchanger is communicated with the first end of the air supply heat exchanger; the first end of the compression assembly is communicated with the first end of the air supply heat exchanger; the water receiving piece is used for receiving the condensed water of the air supply heat exchanger; one end of the first cooling heat exchanger is communicated with the second end of the return air heat exchanger, the other end of the first cooling heat exchanger is communicated with the second end of the compression assembly, and a water inlet of the first cooling heat exchanger is communicated with the water receiving part so as to be cooled by the refrigerant which is passed through by the first cooling heat exchanger and is subjected to the cooling by the condensed water. The utility model discloses heat transfer device and air conditioning equipment can reduce condensing temperature, raises the efficiency.

Description

Heat exchange device and air conditioning equipment

Technical Field

The application belongs to the technical field of electrical appliances, and particularly relates to a heat exchange device and air conditioning equipment.

Background

The fresh air handling unit is an effective air purification device, can exhaust indoor dirty air outdoors, and simultaneously sends outdoor fresh air into indoors after being processed, so as to improve indoor comfort level. It can recycle the cold and heat of the exhausted air through the circulation of the refrigerant heat pump.

In order to keep indoor positive pressure, the return air volume is smaller than the fresh air volume, so that the condensing temperature of the fresh air unit is easily higher, and the efficiency of the fresh air unit is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat transfer device and air conditioning equipment aims at least can solving new trend unit condensation temperature on the high side to a certain extent, influences the technical problem of new trend unit efficiency.

The technical scheme of the utility model is that:

a heat exchange device, characterized in that it comprises: an air supply heat exchanger; the first end of the return air heat exchanger is communicated with the first end of the supply air heat exchanger; the first end of the compression assembly is communicated with the second end of the air supply heat exchanger; the water receiving piece is used for receiving the condensed water of the air supply heat exchanger; one end of the first cooling heat exchanger is communicated with the second end of the return air heat exchanger, the other end of the first cooling heat exchanger is communicated with the second end of the compression assembly, and a water inlet of the first cooling heat exchanger is communicated with the water receiving part so as to be cooled by the refrigerant passing through the first cooling heat exchanger through the condensed water.

The first end of the return air heat exchanger is communicated with the first end of the air supply heat exchanger, the first end of the compression assembly is communicated with the second end of the air supply heat exchanger, the water receiving piece receives condensed water of the air supply heat exchanger, one end of the first cooling heat exchanger is communicated with the second end of the return air heat exchanger, the other end of the first cooling heat exchanger is communicated with the second end of the compression assembly, a water inlet of the first cooling heat exchanger is communicated with the water receiving piece so as to cool a refrigerant passing through the first cooling heat exchanger through the condensed water, when refrigeration is carried out, the air supply heat exchanger is used as an evaporator to carry out cooling and dehumidifying treatment on fresh air, the generated condensed water flows into the water receiving piece, the refrigerant in the air supply heat exchanger exchanges heat with the fresh air so as to cool the fresh air, the cooled fresh air enters the room to ensure that the room is cool, and the refrigerant after exchanging heat with the fresh air enters the compression assembly, the compression assembly heats and pressurizes the refrigerant, the refrigerant after heating and pressurizing flows into the first cooling heat exchanger, condensed water of the water receiving piece enters the first cooling heat exchanger through a water inlet of the first cooling heat exchanger, heat exchange is carried out with the refrigerant after heating and pressurizing of the compression assembly, the supercooling degree of the refrigerant can be improved so as to increase the refrigerating capacity of the refrigerant, the refrigerant after heat exchange enters the return air heat exchanger, at the moment, the return air heat exchanger serves as a condenser, the refrigerant exchanges heat with indoor exhaust air, the temperature of the refrigerant in the return air heat exchanger is reduced, then, the refrigerant flows into the air supply heat exchanger, heat exchange is carried out with fresh air, the condensing temperature can be reduced, the efficiency is improved, the refrigerant after heat exchange with the fresh air flows into the compression assembly, and the circulation of the refrigerant is realized.

In some embodiments, the first cooling heat exchanger comprises a first sleeve heat exchanger, the first sleeve heat exchanger comprises a first inner pipe and a first outer pipe sleeved on the first inner pipe, two ends of the first inner pipe are communicated with the second end of the return air heat exchanger and the second end of the compression assembly, and a water inlet of the first outer pipe is communicated with the water receiving part.

In some embodiments, the heat exchange device further comprises a drain pipe communicated with the water outlet of the first cooling heat exchanger, so as to discharge condensed water after heat exchange.

In some embodiments, the heat exchange device further comprises a four-way valve having a first port, a second port, a third port, and a fourth port, the first port in communication with the first desuperheating heat exchanger, the second port in communication with the second end of the return air heat exchanger, the third port in communication with the first end of the compression assembly, and the fourth port in communication with the second end of the supply air heat exchanger; when the first interface is communicated with the fourth interface, the second interface is communicated with the third interface so as to realize the switching of the refrigeration function and the heating function.

In some embodiments, the heat exchange device further comprises a second cooling heat exchanger, one end of the second cooling heat exchanger is communicated with the first end of the air supply heat exchanger, the other end of the second cooling heat exchanger is communicated with the first end of the air return heat exchanger, a water inlet of the second cooling heat exchanger is communicated with the water receiving part, and a water outlet of the second cooling heat exchanger is communicated with the first cooling heat exchanger, so that the refrigerant passing through the second cooling heat exchanger is cooled by the condensed water.

When refrigeration is carried out, the air supply heat exchanger is used as an evaporator to carry out cooling and dehumidifying treatment on fresh air, generated condensate water flows into the water receiving part, a refrigerant in the air supply heat exchanger exchanges heat with the fresh air to cool the fresh air, the cooled fresh air enters the room to ensure the indoor cooling, the refrigerant after exchanging heat with the fresh air enters the compression assembly, the compression assembly heats and pressurizes the refrigerant, the heated and pressurized refrigerant flows into the return air heat exchanger, at the moment, the return air heat exchanger serves as a condenser, the refrigerant exchanges heat with air exhausted from the room to reduce the temperature of the refrigerant in the return air heat exchanger, then the refrigerant flows into the second cooling heat exchanger, at the moment, the condensate water of the water receiving part enters the second cooling heat exchanger through a water inlet of the second cooling heat exchanger, the condensate water exchanges heat with the refrigerant, the supercooling degree of the refrigerant is improved to increase the refrigerating capacity of the refrigerant, the condensate water after exchanging heat with the refrigerant flows into the first cooling heat exchanger through a water outlet of the second cooling heat exchanger to realize reuse of the condensate water, the condensate water flows into the air supply heat exchanger to exchange heat with the refrigerant to reduce the condensation temperature, the efficiency, the fresh air flows into the fresh air in the fresh air assembly to realize the compression circulation.

In some embodiments, the second cooling heat exchanger includes a second sleeve heat exchanger, the second sleeve heat exchanger includes a second inner tube and a second outer tube sleeved on the second inner tube, two ends of the second inner tube are communicated with the air supply heat exchanger and the air return heat exchanger, a water inlet of the second outer tube is communicated with the water receiving part, and a water outlet of the second outer tube is communicated with a water inlet of the second cooling heat exchanger.

When refrigerating, the air supply heat exchanger carries out cooling and dehumidification processing to the new trend as the evaporimeter, the comdenstion water that produces flows in the water receiving spare, the water receiving spare gets into the second through the water inlet of second outer tube and holds the intracavity, refrigerant in the return air heat exchanger flows in the second inner tube, the comdenstion water that holds the intracavity carries out the heat transfer with the refrigerant in the second inner tube, the super-cooled rate that improves the refrigerant is in order to increase the refrigerating output of refrigerant, refrigerant inflow air supply heat exchanger after exchanging heat with the comdenstion water, in order to carry out the heat transfer with the new trend, can reduce condensation temperature, and the efficiency is improved. When heating, the air supply heat exchanger is used as a condenser, the air supply heat exchanger does not produce condensed water, the second cooling heat exchanger is only used as a conduction pipeline, and the refrigerant in the air supply heat exchanger is conveyed to the return air heat exchanger through the second inner pipe.

In some embodiments, the water inlet of the second outer pipe is communicated with the water receiving part through a water conveying pipeline, and a water pump is arranged on the water conveying pipeline so as to convey condensed water conveniently.

In some embodiments, the heat exchange device further comprises a throttling element, one end of the throttling element is communicated with the first end of the air supply heat exchanger, and the other end of the throttling element is communicated with the second cooling heat exchanger, so that throttling of the refrigerant is achieved.

In some embodiments, the heat exchange device further comprises a first shell provided with an air supply channel, the air supply heat exchanger is arranged in the air supply channel, and the air supply heat exchanger exchanges heat with fresh air.

In some embodiments, the heat exchange device further comprises a second shell provided with a return air channel, and the return air heat exchanger is arranged in the return air channel and is convenient for heat exchange between the return air heat exchanger and indoor discharged air.

Based on the same utility model concept, the utility model discloses still provide an air conditioning equipment, include heat transfer device.

In some embodiments, the air conditioning device comprises a fresh air machine, an air conditioner, a warm air machine, a refrigerator.

The beneficial effects of the utility model include at least:

when a fresh air unit in the prior art refrigerates in summer, condensation heat in summer is completely born by indoor exhaust, positive pressure needs to be kept indoors, return air volume needs to be smaller than air supply volume, and therefore the return air volume is smaller, and the condensate temperature of the fresh air unit is higher due to the fact that the return air volume is smaller, the air supply temperature is higher, and the efficiency is lower.

The first end of the return air heat exchanger is communicated with the first end of the air supply heat exchanger, the first end of the compression assembly is communicated with the second end of the air supply heat exchanger, the water receiving piece receives condensed water of the air supply heat exchanger, one end of the second temperature reduction heat exchanger is communicated with the second end of the return air heat exchanger, the other end of the second temperature reduction heat exchanger is communicated with the second end of the compression assembly, a water inlet of the second temperature reduction heat exchanger is communicated with the water receiving piece, the temperature of a refrigerant passing through the second temperature reduction heat exchanger is reduced through the condensed water, when refrigeration is carried out, the air supply heat exchanger is used as an evaporator to carry out temperature reduction and dehumidification treatment on fresh air, the generated condensed water flows into the water receiving piece, the refrigerant in the air supply heat exchanger exchanges heat with the fresh air, the cooled fresh air enters the indoor, indoor cooling is guaranteed, the refrigerant after being subjected to heat exchange with the fresh air enters the compression assembly, the compression assembly is subjected to heating and pressurization, the heated and pressurized refrigerant enters the second temperature reduction heat exchanger through the water inlet of the second temperature reduction heat exchanger, the condensed water in the return air heat exchanger, and the air heat exchange heat exchanger are carried out, and the air exchange heat exchanger, and the refrigerant can be used as a condenser for reducing the temperature of the return air.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a heat exchange device according to this embodiment;

FIG. 2 is a schematic structural view of a second desuperheating heat exchanger of the heat exchange device of FIG. 1;

fig. 3 is a schematic structural diagram of the first desuperheating heat exchanger of the heat exchange device in fig. 1.

In the drawings:

an air supply heat exchanger 10;

a return air heat exchanger 20;

a compression assembly 30;

a water receiving member 40;

a second cooling heat exchange element 50, a second thimble heat exchanger 501, a second inner tube 5011, a second outer tube 5012, a second receiving cavity 5013;

a water conveying pipeline 60 and a water pump 601;

the first cooling heat exchanger 70, the first sleeve heat exchanger 701, the first inner pipe 7011, the first outer pipe 7012, the first accommodating cavity 7013, the water discharge pipe 702 and the water supply pipeline 703;

a four-way valve 80, a first interface 801, a second interface 802, a third interface 803 and a fourth interface 804;

a throttle member 90;

the air conditioner comprises a first shell 100, an air supply channel 1001, a first air inlet 10011, a first air outlet 10012 and an air supply fan 1002;

the second casing 110, a return air channel 1101, a second air inlet 11011, a second air outlet 11012 and a return air fan 1102.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

the heat exchange device and the air conditioning equipment provided by the embodiment aim at the technical problem that the condensing temperature of a fresh air handling unit which can be solved to a certain extent is higher at least, and the efficiency of the fresh air handling unit is influenced.

Fig. 1 is a schematic structural diagram of the heat exchange device of this embodiment. Referring to fig. 1, the heat exchanger of this embodiment includes: the air conditioner comprises a supply air heat exchanger 10, a return air heat exchanger 20, a compression assembly 30, a water receiving part 40 and a second cooling heat exchange part 70. A first end of the return air heat exchanger 20 communicates with a first end of the supply air heat exchanger 10. A first end of the compression assembly 30 communicates with a second end of the supply air heat exchanger 10. The water receiving member 40 receives the condensed water of the air blowing heat exchanger 10. One end of the first cooling heat exchanger 50 is communicated with the second end of the return air heat exchanger 20, the other end of the first cooling heat exchanger is communicated with the second end of the compression assembly 30, and a water inlet of the first cooling heat exchanger 70 is communicated with the water receiving part 40 so as to cool the refrigerant passing through the first cooling heat exchanger 70 through the condensed water.

The compression assembly 30 may be a heat pump.

The air supply heat exchanger 10 can be an air supply coil pipe so as to increase the heat exchange area with fresh air and improve the heat exchange efficiency.

The return air heat exchanger 20 can be a return air coil pipe so as to increase the heat exchange area with return air and improve the heat exchange efficiency.

The water receiving member 40 may be a water receiving tray, and is disposed below the air supply heat exchanger 10 to receive the condensed water of the air supply heat exchanger 10.

When the fresh air unit in the prior art refrigerates in summer, condensation heat in summer is completely born by indoor exhaust, positive pressure is kept indoors, return air volume needs to be smaller than air supply volume, the return air volume is smaller, the condensation temperature of the fresh air unit is higher due to the fact that the return air volume is smaller, the air supply temperature is higher, and the efficiency is lower.

The first end of a return air heat exchanger 20 is communicated with the first end of an air supply heat exchanger 10, the first end of a compression assembly 30 is communicated with the second end of the air supply heat exchanger 10, a water receiving part 40 receives condensed water of the air supply heat exchanger 10, one end of the first temperature reduction heat exchanger 70 is communicated with the second end of the return air heat exchanger 20, the other end of the first temperature reduction heat exchanger 70 is communicated with the second end of the compression assembly 30, a water inlet of the first temperature reduction heat exchanger 70 is communicated with the water receiving part 40, so that the refrigerant passing through the first temperature reduction heat exchanger 70 is cooled through the condensed water, when refrigeration is carried out, the air supply heat exchanger 10 is used as an evaporator to carry out temperature reduction and dehumidification treatment on fresh air, the generated condensed water flows into the water receiving part 40, the refrigerant in the air supply heat exchanger 10 is subjected to heat exchange with the fresh air, the cooled fresh air enters the interior of the first temperature reduction heat exchanger 70, the indoor cooling is guaranteed, the refrigerant after being subjected to heat exchange with the fresh air enters the compression assembly 30, the refrigerant after heating and pressurizing, the refrigerant flows into the first temperature reduction heat exchange, the first temperature reduction heat exchanger 20, the condensed air enters the heat exchanger, the air cooling heat exchanger, the indoor refrigerant, the heat exchange efficiency of the return air heat exchanger 20 can be improved, and the indoor return air can be reduced, and the indoor air exchange efficiency of the air, and the air exchange can be improved.

In the prior art, in order to improve the efficiency of the fresh air handling unit, the following scheme is adopted: scheme one, adopt the mode that directly introduces new trend and return air and mix to improve the return air amount of wind, however, adopt the mode that increases the return air amount of wind to lead to new trend air conditioner wind channel design complicacy. Scheme two, the condensation water in with the evaporimeter discharges to the condenser surface and for the condenser cooling, but, needs increase fresh air conditioning unit height through discharging the evaporimeter condensation water to the condenser surface. Scheme three, use supersonic generator to hit into water smoke with the low temperature condensate water that produces in the evaporimeter in order to help the condenser cooling, however, the ultrasonic wave becomes the water smoke with the low temperature condensate water, but the atomized water volume receives the ultrasonic atomization ware ability restriction, and ultrasonic power is on the high side during the high condensate water volume, and the noise is on the high side, exists the radiation, and ultrasonic humidifier needs the real-time supervision condensate water volume to prevent the dry combustion method simultaneously. And this application adopts first cooling heat exchanger 70 to retrieve the comdenstion water that air supply heat exchanger 10 produced, can effectively reduce condensation temperature, improves system efficiency, need not increase the return air amount of wind through complicated design, also need not increase the unit height, simultaneously, also need not supersonic generator.

In some embodiments, when the external environment is a high-temperature and high-humidity environment in the south, the amount of the condensed water generated by the air supply heat exchanger 10 is increased, so that the amount of the condensed water supplied to the first cooling heat exchanger 70 is increased, and the efficiency is improved more significantly.

In some embodiments, the refrigerant may be one of an inorganic compound refrigerant, a freon refrigerant, a saturated hydrocarbon, a cyclic compound, a non-saturated hydrocarbon and their halogen derivatives, an azeotropic refrigerant, and a non-azeotropic refrigerant.

With reference to fig. 1, in some embodiments, the heat exchange device further comprises a second desuperheating heat exchanger 50. One end of the second cooling heat exchanger 50 is communicated with the first end of the air supply heat exchanger 10, the other end of the second cooling heat exchanger is communicated with the first end of the return air heat exchanger 20, a water inlet of the second cooling heat exchanger 50 is communicated with the water receiving part 40, and a water outlet of the second cooling heat exchanger 50 is communicated with the first cooling heat exchanger 70, so that the refrigerant passing through the second cooling heat exchanger 50 is cooled through condensed water.

In this embodiment, when refrigerating, the air supply heat exchanger 10 is used as an evaporator to cool and dehumidify fresh air, the generated condensed water flows into the water receiving member 40, the refrigerant in the air supply heat exchanger 10 exchanges heat with the fresh air to cool the fresh air, the cooled fresh air enters the room to ensure indoor cooling, the refrigerant after exchanging heat with the fresh air enters the compression assembly 30, the compression assembly 30 heats and pressurizes the refrigerant, the heated and pressurized refrigerant flows into the return air heat exchanger 20, at this time, the return air heat exchanger 20 is used as a condenser, the refrigerant exchanges heat with air discharged from the room to reduce the temperature of the refrigerant in the return air heat exchanger 20, then, the refrigerant flows into the second temperature reduction heat exchanger 50, at this time, the condensed water of the water receiving member 40 flows into the second temperature reduction heat exchanger 50 through a water inlet of the second temperature reduction heat exchanger 50, the condensed water exchanges heat with the refrigerant, the degree of the refrigerant is increased to increase the refrigerating capacity, the condensed water after exchanging heat with the refrigerant flows into the first temperature reduction heat exchanger 70 through a water outlet of the second temperature reduction heat exchanger 50, the refrigerant flows into the air supply heat exchanger 10 to exchange heat exchanger to perform heat exchange with the condensed water, the fresh air and the fresh air exchange heat exchanger 20, and the fresh air exchange efficiency is increased, and the fresh air exchange cycle is achieved.

In some embodiments, when heating is performed, the return air heat exchanger 20 serves as an evaporator, the return air heat exchanger 20 supplies a refrigerant to the compression assembly 30, the compression assembly 30 heats and pressurizes the refrigerant, so that the refrigerant becomes a high-temperature high-pressure refrigerant, the high-temperature high-pressure refrigerant enters the supply air heat exchanger 10, the supply air heat exchanger 10 serves as a condenser, the high-temperature high-pressure refrigerant exchanges heat with fresh air to heat the fresh air, the heated fresh air enters the room to ensure indoor warmth, at this time, the supply air heat exchanger 10 does not generate condensed water, the second cooling heat exchanger 50 serves as a conducting pipeline only, so that the refrigerant after heat exchange in the supply air heat exchanger 10 is conveyed to the return air heat exchanger 20, so that the refrigerant exchanges heat with air discharged from the room, the temperature of the refrigerant in the return air heat exchanger 20 is increased, and then the refrigerant after heat exchange with the indoor air enters the compression assembly 30, so as to realize circulation of the refrigerant.

Fig. 2 is a schematic structural diagram of a second desuperheating heat exchanger of the heat exchange device in fig. 1. Referring to fig. 2, in some embodiments, the second cooling heat exchanger 50 includes a second thimble heat exchanger 501, the second thimble heat exchanger 501 includes a second inner tube 5011 and a second outer tube 5012, the second outer tube 5012 is fitted over the second inner tube 5011 to form a second receiving chamber 5013 between the second outer tube 5012 and the second inner tube 5011, both ends of the second inner tube 5011 are communicated with the supply air heat exchanger 10 and the return air heat exchanger 20, a water inlet of the second outer tube 5012 is communicated with the second receiving chamber 5013 and the water receiving member 40, respectively, and a water outlet of the second outer tube 5012 is communicated with a water inlet of the first cooling heat exchanger 70. Of course, in other embodiments, the second desuperheating heat exchanger 50 may also be a plate heat exchanger.

In this embodiment, when cooling, the air supply heat exchanger 10 is used as an evaporator to cool and dehumidify fresh air, the generated condensed water flows into the water receiving member 40, the water receiving member 40 enters the second accommodating cavity 5013 through the water inlet of the second outer tube 5012, the refrigerant in the return air heat exchanger 20 flows into the second inner tube 5011, the condensed water in the accommodating cavity 503 exchanges heat with the refrigerant in the second inner tube 5011, the supercooling degree of the refrigerant is increased to increase the refrigerating capacity of the refrigerant, and the refrigerant after exchanging heat with the condensed water flows into the air supply heat exchanger 10 to exchange heat with the fresh air, so that the condensing temperature can be reduced, and the efficiency can be improved. When heating is performed, the air supply heat exchanger 10 serves as a condenser, the air supply heat exchanger 10 does not generate condensed water, and the second temperature-reducing heat exchanger 50 serves only as a conducting pipeline, and the refrigerant in the air supply heat exchanger 10 is transported to the return air heat exchanger 20 through the second inner pipe 5011.

In this embodiment, the water inlet of the second outer tube 5012 is communicated with the water junction 40 through the water delivery pipeline 60 to deliver the condensed water received by the water junction 40 into the second housing cavity 5013 through the water inlet of the second outer tube 5012. The water outlet of the second outer pipe 5012 is communicated with the water inlet of the first cooling heat exchanger 70 through a water supply pipeline 703 so as to convey the condensed water after heat exchange to the first cooling heat exchanger 70 through the water supply pipeline 703.

In this embodiment, in order to facilitate the condensed water received by the water receiving member 40 to enter the second accommodating chamber 5013, the water conveying pipeline 60 is provided with a water pump 601, when the condensed water is to be conveyed, the water pump 601 is started to extract the condensed water received by the water receiving member 40, and the condensed water received by the water receiving member 40 enters the second accommodating chamber 5013 through the water inlet of the second outer pipe 5012 to exchange heat with the refrigerant in the second inner pipe 5011. Wherein, in order to save space, the water pump 601 may be a micro water pump, the model of which is MICROPS WD12.

In this embodiment, the inlet of the second outer tube 5012 is offset from the outlet of the second outer tube 5012 to ensure that the condensed water can flow sufficiently within the second housing chamber 5013 to achieve sufficient heat exchange with the refrigerant within the second inner tube 5011.

Fig. 3 is a schematic structural diagram of a first desuperheating heat exchanger of the heat exchange device in fig. 1. With reference to fig. 3, in some embodiments, the first desuperheating heat exchanger 70 comprises a first thimble heat exchanger 701, the first thimble heat exchanger 701 comprising a first inner tube 7011 and a first outer tube 7012, the first outer tube 7012 being sleeved over the first inner tube 7011 to form a first receiving cavity 7013 between the first outer tube 7012 and the first inner tube 7011. The two ends of the first inner tube 7011 are communicated with the second end of the return air heat exchanger 20 and the second end of the compression assembly 30, and the water inlet of the first outer tube 7012 is communicated with the water receiving part 40. Of course, in other embodiments, the first desuperheating heat exchanger 70 may also be a plate heat exchanger.

In this embodiment, when refrigerating, the air supply heat exchanger 10 is used as an evaporator to cool and dehumidify fresh air, the generated condensed water flows into the water receiving part 40, the condensed water of the water receiving part 40 enters the second temperature reduction heat exchanger 50 through the water inlet of the second temperature reduction heat exchanger 50, the condensed water exchanges heat with the refrigerant, the condensed water after heat exchange sequentially passes through the water outlet of the second temperature reduction heat exchanger 50 and the water inlet of the first outer pipe 7012 and enters the first accommodating cavity 7013, the refrigerant after heating and pressurizing of the compression assembly 30 flows into the first inner pipe 7011 and exchanges heat with the condensed water in the first accommodating cavity 7013, the refrigerant after heat exchange enters the return air heat exchanger 20, the condensed water is fully utilized, and the efficiency is further improved.

In some embodiments, under the working conditions Of the outdoor fresh air temperature Of 35 ℃, the relative humidity Of 80%, the flow rate Of 400m ^3/h, the indoor return air temperature Of 27 ℃, the relative humidity Of 40% and the flow rate Of 380m ^3/h, the condensed water generation rate is 1.5g/s, see table 1, comparing the performances Of the first and second casing heat exchangers 701 and 501 with the first and second casing heat exchangers 701 and 501, it can be found that the condensed water cooling capacity Of the air supply heater 10 is recovered by the first casing heat exchanger 701, the refrigerating capacity is improved by 1.58%, the COP (Coefficient Of Performance) is improved by 3.56%, and the pressure ratio Of the compression assembly 30 is reduced by 1.8%.

TABLE 1 comparison of Properties

It can be derived from table 1 that this application can effectively improve the refrigerating output through retrieving the cold volume of condensate water, reduces compression assembly 30 power consumption, reduces compression assembly 30 pressure ratio, widens the system operating mode scope of compression assembly 30 operation. In structural terms, the first cooling heat exchanger 70 adopts the first sleeve heat exchanger 701, and the second cooling heat exchanger 50 adopts the second sleeve heat exchanger 501, so that the structure is compact, the occupied space is small, the space of the air conditioning equipment can be fully utilized, and the size of the air conditioning equipment is not additionally increased.

In this embodiment, in order to facilitate the transportation of the condensed water, the water inlet of the first outer tube 7012 is communicated with the water outlet of the first outer tube 5011 of the second temperature-reducing heat exchanger 50 through the water feeding pipeline 703, so that the condensed water in the second accommodating cavity 5013 of the second temperature-reducing heat exchanger 50 can enter the first accommodating cavity 7013.

In this embodiment, the water inlet of the first outer tube 7012 is staggered from the water outlet of the first outer tube 7012 to ensure that the condensed water can sufficiently flow in the first accommodating cavity 7013, thereby achieving sufficient heat exchange with the refrigerant in the first inner tube 7011.

Referring to fig. 1, in this embodiment, in order to discharge the condensed water after heat exchange, the heat exchange device further includes a drain pipe 702 communicated with the water outlet of the first temperature-reducing heat exchanger 70, and the drain pipe 702 is communicated with the first accommodating cavity 7013 through the water outlet of the first outer pipe 7012 to discharge the condensed water after heat exchange.

Referring to fig. 1, in this embodiment, in order to switch between cooling and heating, the heat exchanger further includes a four-way valve 80. The four-way valve 80 has a first port 801, a second port 802, a third port 803, and a fourth port 804, the first port 801 is communicated with the first temperature-reducing heat exchanger 70, the second port 802 is communicated with the second end of the return air heat exchanger 20, the third port 803 is communicated with the first end of the compression assembly 30, and the fourth port 804 is communicated with the second end of the supply air heat exchanger 10. When the first port 801 is communicated with the second port 802, the third port 803 is communicated with the fourth port 804, and when the first port 801 is communicated with the fourth port 804, the second port 802 is communicated with the third port 803.

In this embodiment, when cooling is performed, the first interface 801 is communicated with the second interface 802, the third interface 803 is communicated with the fourth interface 804, the air supply heat exchanger 10 is used as an evaporator to perform cooling and dehumidifying processing on fresh air, the generated condensed water flows into the water receiving piece 40, the gas-liquid two-phase refrigerant in the air supply heat exchanger 10 exchanges heat with the fresh air to cool the fresh air, the cooled fresh air enters the room to ensure the room to be cool, the refrigerant after heat exchange with the fresh air becomes a gaseous refrigerant, the gaseous refrigerant enters the compression assembly 30, the compression assembly 30 heats and pressurizes the gaseous refrigerant, the heated and pressurized gaseous refrigerant sequentially flows into the return air heat exchanger 20 through the first temperature reduction heat exchanger 70, the first interface 801 and the second interface 802, at this time, the condensed water of the water receiving piece 40 enters the first temperature reduction heat exchanger 70 through the second temperature reduction heat exchanger 50, the gaseous refrigerant exchanges heat with the condensed water in the first temperature reduction heat exchanger 70 to make the gaseous refrigerant become a gas-liquid two-liquid-phase refrigerant, the condensed water is fully utilized, and the efficiency is further improved. The gas-liquid two-phase refrigerant enters the return air heat exchanger 20 through the fourth interface 804 and the third interface 803 in sequence, the return air heat exchanger 20 serves as a condenser, the gas-liquid two-phase refrigerant exchanges heat with air discharged from a room to reduce the temperature of the gas-liquid two-phase refrigerant in the return air heat exchanger 20, so that the gas-liquid two-phase refrigerant becomes a liquid refrigerant, then the liquid refrigerant flows into the second cooling heat exchanger 50, at the moment, condensed water of the water receiving piece 40 enters the second cooling heat exchanger 50 through a water inlet of the second cooling heat exchanger 50, the condensed water exchanges heat with the liquid refrigerant, the supercooling degree of the refrigerant is improved to increase the refrigerating capacity of the refrigerant, the refrigerant after exchanging heat with the condensed water flows into the air supply heat exchanger 10 to exchange heat with fresh air, the condensing temperature can be reduced, the efficiency is improved, the refrigerant after exchanging heat with the fresh air flows into the compression assembly 20, and the circulation of the refrigerant is realized.

In this embodiment, when heating is performed, when the first interface 801 is communicated with the fourth interface 804, the second interface 802 is communicated with the third interface 803, the return air heat exchanger 20 serves as an evaporator, the return air heat exchanger 20 supplies the gaseous refrigerant to the compression assembly 30 through the second interface 802 and the third interface 803 in sequence, the compression assembly 30 heats and pressurizes the gaseous refrigerant, so that the gaseous refrigerant becomes a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters the air supply heat exchanger 10 through the first temperature reduction heat exchanger 70, the first interface 801 and the fourth interface 804 in sequence, the air supply heat exchanger 10 serves as a condenser, the high-temperature high-pressure gaseous refrigerant exchanges heat with fresh air to become a liquid refrigerant, and at the same time, the fresh air is heated and enters the room to ensure that the room is warmed, at this time, the air supply heat exchanger 10 does not generate condensed water, the second temperature reduction heat exchanger 50 serves only as a conducting pipeline to convey the liquid refrigerant in the air supply heat exchanger 10 to the return air heat exchanger 20, so that the liquid refrigerant exchanges heat with air discharged from the room, so that the liquid refrigerant becomes the gaseous refrigerant, and then enters the compression assembly 30 to realize circulation.

In this embodiment, in order to facilitate the communication between the first interface 801 and the outlet of the compression assembly 30, the heat exchange device further includes a first compression pipeline 805, the first cooling heat exchanger 70 is disposed on the first compression pipeline 805, one end of the first compression pipeline 805 is communicated with the first interface 801, and the other end of the first compression pipeline 805 is communicated with the second interface of the compression assembly 30, so as to convey the gaseous refrigerant after the compression assembly 30 is pressurized and warmed to the first interface 801 through the first cooling heat exchanger 70.

In this embodiment, in order to facilitate the communication between the third port 803 and the inlet of the compression assembly 30, the heat exchange device further includes a second compression pipeline 806, one end of the second compression pipeline 806 is communicated with the third port 803, and the other end is communicated with the first end of the compression assembly 30, so as to convey the gas-liquid two-phase refrigerant into the compression assembly 30.

Referring to fig. 1, in some embodiments, in order to throttle the refrigerant, the heat exchange device further includes a throttling member 90, one end of the throttling member 90 is communicated with the first end of the air-supplying heat exchanger 10, and the other end is communicated with the second cooling heat exchanger 50. In this embodiment, the orifice 90 may be an electronic expansion valve.

In this embodiment, when cooling, the liquid refrigerant in the second cooling heat exchanger 50 is throttled by the throttle 90 to cool and depressurize the liquid refrigerant, so that the liquid refrigerant becomes a gas-liquid two-phase refrigerant, and the gas-liquid two-phase refrigerant enters the air supply heat exchanger 10 to exchange heat with fresh air. When heating, the liquid refrigerant in the air supply heat exchanger 10 is throttled by the throttle 90 to reduce the temperature and pressure of the liquid refrigerant, so that the liquid refrigerant becomes a gas-liquid two-phase refrigerant, the gas-liquid two-phase refrigerant enters the return air heat exchanger 20 through the second temperature reduction heat exchanger 50, and is convenient for exchanging heat with the air discharged indoors, so that the gas-liquid two-phase refrigerant becomes a gaseous refrigerant, the refrigerant can conveniently enter the compression assembly 30, and the compression assembly 30 can conveniently pressurize and heat the refrigerant.

Referring to fig. 1, in some embodiments, in order to facilitate the heat exchange between the air supply heat exchanger 10 and the fresh air, the heat exchange device further includes a first housing 100 having an air supply channel 1001, and the air supply heat exchanger 10 is disposed in the air supply channel 1001.

In this embodiment, air supply channel 1001 has first air intake 10011 and first air outlet 10012, first air intake 10011 and outdoor intercommunication to introduce air supply channel 1001 with outdoor new trend, carry out the heat transfer with air supply heat exchanger 10 of locating in air supply channel 1001, first air outlet 10012 and indoor intercommunication, in order to send into indoor with the new trend after the air supply heat exchanger 10 heat transfer, guarantee that indoor temperature is suitable.

Referring to fig. 1, in the present embodiment, in order to facilitate fresh air to enter the air supply channel 1001, an air supply fan 1002 is disposed in the air supply channel 1001.

In this embodiment, when cooling or heating is to be performed, the air supply fan 1002 is activated, so that outdoor air may enter the air supply passage 1001 through the first air inlet 10011.

Referring to fig. 1, in some embodiments, in order to facilitate heat exchange between the return air heat exchanger 20 and the air discharged from the room, the heat exchanging device further includes a second housing 110 having a return air channel 1101, and the return air heat exchanger 20 is disposed in the return air channel 1101.

In this embodiment, the air return channel 1101 has a second air inlet 11011 and a second air outlet 11012, the second air inlet 11011 is communicated with the indoor space to introduce the air exhausted from the indoor space into the air return channel 1101 to exchange heat with the air return heat exchanger 20 disposed in the air return channel 1101, and the second air outlet 11012 is communicated with the outdoor space to exhaust the air exhausted from the indoor space after exchanging heat with the air return heat exchanger 20 to the outdoor space, so as to ensure that the indoor temperature is proper.

Referring to fig. 1, in the present embodiment, a return air blower 1102 is provided in the return air duct 1101 in order to facilitate the indoor air to enter the return air duct 1101.

In the present embodiment, when cooling or heating is to be performed, the return air fan 1102 is activated so that indoor air can enter the return air passage 1101 through the second air inlet 11011.

Based on same utility model conceive, this application still provides an air conditioning equipment, and this air conditioning equipment has adopted heat transfer device, this heat transfer device's concrete structure refers to above-mentioned embodiment, owing to adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

In some embodiments, the air conditioning device comprises a fresh air machine, an air conditioner, a warm air blower, a refrigerator.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

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 are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (12)

1. A heat exchange device, comprising:

a blast heat exchanger (10);

a return air heat exchanger (20) having a first end in communication with a first end of the supply air heat exchanger (10);

a compression assembly (30) having a first end in communication with a second end of the supply air heat exchanger (10);

a water receiving member (40) that receives condensed water of the air supply heat exchanger (10);

and one end of the first cooling heat exchanger (70) is communicated with the second end of the return air heat exchanger (20), the other end of the first cooling heat exchanger is communicated with the second end of the compression assembly (30), and a water inlet of the first cooling heat exchanger (70) is communicated with the water receiving part (40) so as to cool the refrigerant passing through the first cooling heat exchanger (70) through the condensed water.

2. The heat exchange device according to claim 1, wherein the first temperature-reducing heat exchanger (70) comprises a first sleeve heat exchanger (701), the first sleeve heat exchanger (701) comprises a first inner pipe (7011) and a first outer pipe (7012) sleeved on the first inner pipe (7011), two ends of the first inner pipe (7011) are communicated with the second end of the return air heat exchanger (20) and the second end of the compression assembly (30), and a water inlet of the first outer pipe (7012) is communicated with the water receiving member (40).

3. The heat exchange device according to claim 1, further comprising a drain (702) in communication with the water outlet of the first desuperheating heat exchanger (70).

4. The heat exchange device of claim 1, further comprising:

a four-way valve (80) having a first port (801), a second port (802), a third port (803), and a fourth port (804), the first port (801) being in communication with the first desuperheating heat exchanger (70), the second port (802) being in communication with a second end of the return air heat exchanger (20), the third port (803) being in communication with a first end of the compression assembly (30), the fourth port (804) being in communication with a second end of the supply air heat exchanger (10);

wherein the third interface (803) communicates with the fourth interface (804) when the first interface (801) communicates with the second interface (802), and the second interface (802) communicates with the third interface (803) when the first interface (801) communicates with the fourth interface (804).

5. The heat exchange device according to any one of claims 1 to 4, further comprising a second cooling heat exchanger (50), wherein one end of the second cooling heat exchanger (50) is communicated with the first end of the supply air heat exchanger (10), the other end of the second cooling heat exchanger is communicated with the first end of the return air heat exchanger (20), a water inlet of the second cooling heat exchanger (50) is communicated with the water receiving part (40), and a water outlet of the second cooling heat exchanger (50) is communicated with the first cooling heat exchanger (70) so as to cool the refrigerant passing through the second cooling heat exchanger (50) through the condensed water.

6. The heat exchange device according to claim 5, wherein the second temperature-reducing heat exchanger (50) comprises a second sleeve heat exchanger (501), the second sleeve heat exchanger (501) comprises a second inner pipe (5011) and a second outer pipe (5012) sleeved on the second inner pipe (5011), two ends of the second inner pipe (5011) are communicated with the air supply heat exchanger (10) and the air return heat exchanger (20), a water inlet of the second outer pipe (5012) is communicated with the water receiving member (40), and a water outlet of the second outer pipe (5012) is communicated with a water inlet of the first temperature-reducing heat exchanger (70).

7. The heat exchange device according to claim 6, wherein the water inlet of the second outer pipe (5012) is communicated with the water receiving piece (40) through a water conveying pipeline (60), and a water pump (601) is arranged on the water conveying pipeline (60).

8. The heat exchange device according to claim 6, further comprising a throttle member (90), wherein one end of the throttle member (90) is communicated with the first end of the supply air heat exchanger (10), and the other end is communicated with the second desuperheating heat exchanger (50).

9. The heat exchange device according to any one of claims 1 to 4, further comprising a first housing (100) provided with an air supply passage (1001), wherein the air supply heat exchanger (10) is provided in the air supply passage (1001).

10. The heat exchange device according to any one of claims 1 to 4, further comprising a second housing (110) defining a return air channel (1101), wherein the return air heat exchanger (20) is disposed in the return air channel (1101).

11. An air conditioning apparatus comprising a heat exchange device according to any one of claims 1 to 10.

12. The air conditioning apparatus according to claim 11, wherein the air conditioning apparatus includes a fresh air machine, an air conditioner, a warm air blower, a refrigerator.

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