CN221228094U

CN221228094U - Air conditioning system

Info

Publication number: CN221228094U
Application number: CN202322785173.6U
Authority: CN
Inventors: 苏国琰; 刘畅; 陈永杰; 肖浩
Original assignee: Vertiv Tech Co Ltd
Current assignee: Vertiv Tech Co Ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-06-25
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses an air conditioning system, which comprises an indoor heat exchange box body, a refrigeration assembly and a condensation heat exchanger, wherein the indoor heat exchange box body is provided with a heat exchange pipe; the indoor heat exchange box body is provided with an air return opening and an air supply opening; the refrigerating assembly comprises an evaporator, a compressor, a refrigerant pump, a first one-way valve and a second one-way valve, wherein the evaporator is positioned in the indoor heat exchange box body, the inlet of the compressor is communicated with the outlet of the evaporator, the outlet of the refrigerant pump is communicated with the inlet of the evaporator, the inlet of the first one-way valve is communicated with the inlet of the compressor, the first one-way valve is connected with the compressor in parallel, and the second one-way valve is connected with the refrigerant pump in parallel; the condensing heat exchanger is arranged between an outlet of the compressor and an inlet of the refrigerant pump, and the condensing heat exchanger utilizes external cold water resources to provide a cold source for the refrigeration component. The air conditioning system can effectively utilize the evaporation cooling type natural cooling technology to play a role in energy conservation and efficiency improvement.

Description

Air conditioning system

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to an air conditioning system.

Background

Along with the proposal of the national carbon reduction target, a data machine room serving as a large energy consumption user faces higher and more strict energy-saving requirements, and how to reduce the refrigeration load factor (CLF) of the machine room becomes a perpetual theme of the data machine room. In northern areas, due to longer low-temperature weather, the machine room air conditioner is beneficial to natural cooling energy-saving operation by using low temperature. In the south area, the temperature is not low enough due to the short winter time, so that the application of low-temperature natural cooling is greatly discounted, and the distribution of a data machine room in the south area is directly influenced. And the water resources in the south are rich, the water quality is softer, and the development of the evaporative cooling type machine room air conditioner is facilitated.

Disclosure of utility model

The utility model provides an air conditioning system which can effectively utilize an evaporative natural cooling technology to play a role in energy conservation and synergy.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An air conditioning system comprises an indoor heat exchange box body, a refrigeration assembly and a condensation heat exchanger;

The indoor heat exchange box body is provided with an air return opening and an air supply opening, and the indoor heat exchange box body comprises an air feeder arranged close to the air supply opening;

The refrigerating assembly comprises an evaporator, a compressor, a refrigerating pump, a first one-way valve and a second one-way valve, wherein the evaporator is positioned in the indoor heat exchange box body, the inlet of the compressor is communicated with the outlet of the evaporator, the outlet of the refrigerating pump is communicated with the inlet of the evaporator, the inlet of the first one-way valve is communicated with the inlet of the compressor, the outlet of the first one-way valve is communicated with the outlet of the compressor, the inlet of the second one-way valve is communicated with the inlet of the refrigerating pump, and the outlet of the second one-way valve is communicated with the outlet of the refrigerating pump;

The condensing heat exchanger is arranged between the outlet of the compressor and the inlet of the refrigerant pump, and the condensing heat exchanger provides cold energy for the refrigeration component by utilizing an external evaporation cold source.

Optionally, the evaporator further comprises an evaporation and condensation box body, wherein the condensation heat exchanger is an evaporation and cooling coil pipe positioned in the evaporation and condensation box body;

The side plate of the evaporation and condensation box body is provided with at least one air inlet and at least one air outlet, and the evaporation and condensation box body comprises the evaporation and condensation coil pipe, a water distribution structural member, an evaporation air cooler and a water receiving disc;

The evaporation cooling coil is positioned between the air inlet and the air outlet, a first end of the evaporation cooling coil is communicated with the outlet of the compressor and the outlet of the first one-way valve, and a second end of the evaporation cooling coil is communicated with the inlet of the refrigerant pump and the inlet of the second one-way valve;

The water receiving disc is positioned at one side of the air inlet far away from the air outlet;

the water distribution structural member is positioned at one side of the evaporation cooling coil pipe far away from the air inlet, and is communicated with the water receiving disc;

The evaporation air cooler is positioned at the air outlet.

Optionally, a first heat recoverer is included, the first heat recoverer including a first channel and a second channel that can exchange heat with each other;

a first port of a first channel of the first heat recoverer is communicated with an outlet of the compressor and an outlet of the first one-way valve, and a second port of the first channel of the first heat recoverer is communicated with a first end of the evaporative cooling coil;

The second channel of the first heat recoverer is used for communicating with an external hot water system.

Optionally, the system further comprises a second heat recoverer, a first valve, a second valve and a third valve;

the second heat recoverer comprises a third channel and a fourth channel which can exchange heat mutually;

A first port of a third channel of the second heat recoverer is communicated with an outlet of the compressor and an outlet of the first one-way valve, and a second end of the third channel of the second heat recoverer is communicated with an inlet of the refrigerant pump and an inlet of the second one-way valve through the first valve;

The fourth channel of the second heat recoverer is used for communicating with an external hot water system;

The first end of the evaporation cooling coil pipe is communicated with the outlet of the compressor and the outlet of the first one-way valve through the second valve, and the second end of the evaporation cooling coil pipe is communicated with the inlet of the refrigerant pump and the inlet of the second one-way valve through the third valve.

Optionally, an auxiliary cooler is further included in the indoor heat exchange box, the auxiliary cooler being disposed adjacent to the evaporator.

Optionally, the evaporator further comprises a circulating pump and a heat exchange coil positioned in the evaporation and condensation box body; the heat exchange coil is positioned between the air inlet and the water distribution structural member;

The first end of the heat exchange coil is communicated with the outlet of the auxiliary cooler, the second end of the heat exchange coil is used for being communicated with the inlet of the circulating pump, and the outlet of the circulating pump is communicated with the inlet of the auxiliary cooler; or the outlet of the auxiliary cooler is communicated with the inlet of the circulating pump, the outlet of the circulating pump is communicated with the first end of the heat exchange coil, and the second end of the heat exchange coil is communicated with the inlet of the auxiliary cooler.

Optionally, the refrigeration assembly further comprises an accumulator connected at the inlet of the refrigerant pump, the accumulator being connected in series between the inlet of the refrigerant pump and the second end of the evaporative cooling coil.

Optionally, the system further comprises a third heat recoverer, a three-way valve and a fourth valve; the third heat recoverer comprises a fifth channel and a sixth channel which can exchange heat mutually;

An inlet of the three-way valve is communicated with an outlet of the compressor, and a first outlet of the three-way valve is communicated with a first end of the evaporation cooling coil;

a first port of a fifth channel of the third heat recoverer is communicated with the evaporation cold coil pipe through a fourth valve and is communicated with a second outlet of the three-way valve, and a second port of the fifth channel of the third heat recoverer is communicated with an inlet of the refrigerant pump;

The sixth channel of the third heat recoverer is used for communicating with an external hot water system.

Optionally, the evaporation and condensation box body further comprises a water collecting structure member, and the water collecting structure member is located between the water distribution structure member and the evaporation air cooler.

Optionally, the water distribution device further comprises a spray water pump, wherein the spray water pump is used for supplying water for the water distribution structure, and the water distribution structure is communicated with the water receiving disc through the spray water pump.

Optionally, the evaporation-condensation box body further comprises evaporation-cooling filler, and the evaporation-cooling filler is inserted between the outer walls of the evaporation-cooling coils, or is located between the evaporation-cooling coils and the water distribution structural member.

Optionally, a water inlet pipe, a water outlet pipe and a branch water outlet pipe are connected to one side of the water receiving disc, which is away from the evaporation cooling coil;

The water inlet pipe is provided with a water inlet electric valve, the drain pipe is provided with a drain electric valve, and the branch drain pipe is provided with a manual drain valve.

Optionally, the water receiving tray is further connected with an overflow pipe, and the overflow pipe is used for keeping the water level in the water receiving tray below a preset water level.

Optionally, a chassis is also included;

the indoor heat exchange box body and the evaporation and condensation box body are arranged side by side on the underframe;

Or the indoor heat exchange box is arranged on the underframe, and the evaporative condensing box body is positioned on one side of the indoor heat exchange box body, which is far away from the underframe.

Optionally, an auxiliary cooler is arranged in the indoor heat exchange box body, and the auxiliary cooler is arranged adjacent to the evaporator;

The condensing heat exchanger is a water-fluorine heat exchanger positioned in the indoor heat exchange box body, the water-fluorine heat exchanger comprises a fluorine side channel and a water side channel which can exchange heat mutually, the fluorine side channel of the water-fluorine heat exchanger is connected with the refrigeration component in a matched mode, and the water side channel of the water-fluorine heat exchanger is communicated with the evaporative cooling tower.

The embodiment of the utility model provides an air conditioning system, which comprises an indoor heat exchange box body, a refrigerating assembly and a condensing heat exchanger, wherein a return air inlet and an air supply outlet on the indoor heat exchange box body can be communicated with a machine room, hot air in the machine room can enter the inner cavity of the indoor heat exchange box body from the return air inlet, the refrigerating assembly is connected with the condensing heat exchanger to form a refrigerant circulation loop, an evaporator in the refrigerating assembly can cool the entering hot return air, a blower adjacent to the air supply outlet can send the cooled return air into the machine room, and the condensing heat exchanger can utilize an external evaporation cold source to provide cold energy for the refrigerating assembly to cool a coolant in the condensing heat exchanger, so that external water resources can be fully utilized, the application of compressor refrigeration and evaporative natural cooling can be combined, when the external temperature is higher, the natural cooling and cold supply can be realized through the operation of a fluorine pump and the condensing heat exchanger, and the energy saving effect can be achieved by utilizing the evaporative natural cooling technology in winter.

Drawings

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

fig. 2 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of another air conditioning system according to an embodiment of the present utility model.

Icon:

1-an indoor heat exchange box body; 11-a blower; 21-an evaporator; 22-compressor; 23-refrigerant pump; 24-a throttling element; 25-a first one-way valve; 26-a second one-way valve; 27-a reservoir; 3-evaporating and condensing the box body; 31-an air inlet; 32-evaporating the cold coil; 33-a water distribution structural member; 34-evaporating an air cooler; 35-a water receiving disc; 36-a water collecting knot member; 37-spraying water pump; 38-evaporating the cold filler; 391-inlet pipe; 392-total drain; 301-a water inlet electric valve; 302-a drain electric valve; 303—manual drain valve 303; 304-overflow pipe; 4-a first heat recovery unit; 51-a second heat recovery unit; 52-a first valve; 53-a second valve; 54-third valve; 6-an auxiliary cooler; 71-heat exchange coil; 72-a circulation pump; 81-a three-way valve; 82-a third heat recovery unit; 83-fourth valve; a 100-water fluorine heat exchanger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides an air conditioning system, which includes an indoor heat exchange box 1, a refrigeration assembly and a condensing heat exchanger;

The indoor heat exchange box body 1 is provided with an air return opening and an air supply opening, and the indoor heat exchange box body 1 comprises an air feeder 11 arranged close to the air supply opening;

the refrigeration assembly includes an evaporator 21, a compressor 22, a refrigerant pump 23, a first check valve 25 and a second check valve 26; the evaporator 21 is positioned in the indoor heat exchange box body 1; an inlet of the compressor 22 is communicated with an outlet of the evaporator 21, an outlet of the refrigerant pump 23 is communicated with an inlet of the evaporator 21, a first one-way valve 25 is communicated with the inlet of the compressor 22, an outlet of the first one-way valve 25 is communicated with the outlet of the compressor 22, an inlet of the second one-way valve 26 is communicated with the inlet of the refrigerant pump 23, and an outlet of the second one-way valve 26 is communicated with the outlet of the refrigerant pump;

The condensing heat exchanger is arranged between an outlet of the compressor and an inlet of the refrigerant pump, and the condensing heat exchanger provides cold energy for the refrigeration component by utilizing an external evaporation cold source.

The air conditioning system provided by the embodiment of the utility model comprises an indoor heat exchange box body 1, a refrigeration assembly and a condensation heat exchanger, wherein a return air inlet and an air supply inlet on the indoor heat exchange box body 1 can be communicated with a machine room, hot air in the machine room can enter an inner cavity of the indoor heat exchange box body 1 through the return air inlet, the refrigeration assembly is connected with the condensation heat exchanger to form a refrigerant circulation loop, an evaporator 21 in the refrigeration assembly can cool the entering hot return air, a blower 11 adjacent to the air supply inlet can send the cooled return air into the machine room, and as the condensation heat exchanger can utilize an external evaporation cold source to provide cold energy for the refrigeration assembly, the cooling of a coolant in the condensation heat exchanger can be realized, external water resources can be fully utilized, the application of compressor refrigeration and evaporative natural cooling can be combined, when the external temperature is higher, the natural cooling and the cold supplying technology can be realized through the operation of a fluorine pump and the condensation heat exchanger when the external temperature is lower in winter, the effect of saving energy is achieved.

Specifically, the evaporator 21 may divide the indoor heat exchange box 1 into a return air chamber and an air supply chamber, the return air chamber is communicated with the return air chamber, the air supply opening is communicated with the air supply chamber, and the air blower 11 may be located in the air supply chamber, or may also be disposed on a side far away from the air supply opening, which is not limited herein, and is determined according to practical situations.

Specifically, the indoor heat exchange box 1 may be rectangular, and the positions of the air return opening and the air supply opening may be set in any combination between 6 sides of the indoor heat exchange box 1, which is not limited herein and depends on practical situations.

Specifically, the air conditioning system may further include a throttling element 24, wherein an outlet of the refrigerant pump 23 may be in communication with an inlet of the evaporator 21 through the throttling element 24, the throttling element 24 may be an expansion valve, the refrigerant pump 23 may be a fluorine pump, and the refrigerant in the refrigerant circulation circuit may be a refrigerant of fluorine material.

In the embodiment of the present utility model, the air conditioning system further includes an evaporation and condensation box 3, and the condensation heat exchanger may be an evaporation and cooling coil 32 in the evaporation and condensation box 3. Specifically, the side plate of the evaporation and condensation box body 3 is provided with at least one air inlet 31 and at least one air outlet, and the evaporation and condensation box body 3 comprises an evaporation and condensation coil pipe 32, a water distribution structural member 33, an evaporation and condensation air cooler 34 and a water receiving disc 35; the evaporation cooling coil 32 is located between the air inlet 31 and the air outlet, the water receiving disc 35 is located at one side of the air inlet 31 far away from the air outlet, the water receiving disc 35 can be connected with an external natural cold water pipe, the water distribution structural member 33 is located at one side of the evaporation cooling coil 32 far away from the air inlet 31, the water distribution structural member 33 is communicated with the water receiving disc 35, and the evaporation air cooler 34 is located at the air outlet.

Specifically, a first end of the evaporative cooling coil 32 may be in direct communication with the outlet of the compressor 22 and the outlet of the first check valve 25, and a second end of the evaporative cooling coil 32 may be in direct communication with the inlet of the refrigerant pump 23 and the inlet of the second check valve 26.

In the air conditioning system, the water receiving disc 35 is connected with an external natural cold water pipe, the water distribution structural member 33 is communicated with the water receiving disc 35, the water distribution structural member 33 can spray evaporation cold spray water towards the evaporation cold coil pipe 32 by utilizing external cold water resources, the evaporation cold air blower 34 sucks external environment air from the air inlet 31 to the air outlet, the spray water can cool the refrigerant in the evaporation cold coil pipe 32, the evaporation condensing box 3 can play a role of a condenser, and the evaporation cold natural cooling technology can be effectively utilized to provide cold energy for a refrigerating assembly, so that the effects of saving energy and improving efficiency are achieved.

Wherein the cooling mode can be switched by controlling the operation state of the compressor 22, the refrigerant pump 23. Specifically, when the outdoor wet bulb or dry bulb temperature is higher than the preset target temperature, in order to cool the air in the machine room, the compressor 22, the blower 11, the water distribution structural member 33 and the evaporation air cooler 34 may be enabled to work, while the refrigerant pump 23 is not enabled to work, so that the evaporator 21, the compressor 22, the evaporation cooling coil 32, the second one-way valve 26 and the throttling element 24 form a refrigerant circulation loop, thereby realizing cooling of the air in the machine room; when the outdoor wet bulb or dry bulb temperature is lower than or equal to the preset target temperature, the operation of the refrigerant pump 23, the blower 11, the water distribution structural member 33 and the evaporation air cooler 34 can be switched, and the compressor 22 does not operate, so that the evaporator 21, the first one-way valve 25, the evaporation cold coil 32, the refrigerant pump 23 and the energy-saving element 24 form a refrigerant circulation loop, the cooling of the air in the machine room can be realized, and the purposes of saving energy consumption and increasing energy efficiency can be realized by utilizing the evaporation cold type natural cooling technology because the energy consumption of the fluorine pump is smaller than that of the compressor 22.

Specifically, the air conditioning system can be further provided with a bottom frame A, and the indoor heat exchange box body 1 and the evaporation and condensation box body 3 can be arranged on the common bottom frame A to form an integrated skid-mounted structure, so that the indoor prefabrication and the rapid delivery are facilitated. The split type air conditioner can also be provided with independent skid-mounted underframes, so that the split type air conditioner is convenient for on-site layout.

Specifically, the indoor heat exchange box 1 and the evaporation and condensation box 3 may be arranged side by side on the chassis a; or alternatively; the indoor heat exchange box body 1 is arranged on the underframe A, the evaporation and condensation box body 3 can be positioned on one side, far away from the underframe, of the indoor heat exchange box body 1, an up-down stacking design is formed, and the occupied area is reduced.

Specifically, as shown in fig. 1, the evaporation and condensation box 3 may be rectangular, and may have a bottom plate and a top plate that are disposed opposite to each other, and a side plate that is disposed between the top plate and the bottom plate, the air inlet 31 may be disposed on the side plate of the evaporation and condensation box 3, the air outlet may be disposed on the top plate, the air inlet 31 and the air outlet may be disposed at other positions, according to practical situations, without limitation, for example, the air inlet 31 may be disposed on the side plate of the evaporation and condensation box 3, and an air filter may be disposed at the air inlet 31.

In a possible embodiment, the air conditioning system may further include a first heat recoverer 4, as shown in fig. 2, that is, the outlet of the compressor 22 and the first end of the evaporative cooling coil 32 may be communicated through the first heat recoverer 4, so as to implement the mating connection of the evaporative cooling coil 32 and the refrigeration assembly.

Wherein the first heat recoverer 4 may comprise a first channel and a second channel which can mutually exchange heat; the first port of the first channel of the first heat recoverer 4 is communicated with the outlet of the compressor 22 and the outlet of the first check valve 25, the second port of the first channel of the first heat recoverer 4 is communicated with the first end of the evaporation cooling coil 32, so that the connection between the outlet of the compressor 22 and the evaporation cooling coil 32 is realized, the structure is simple, and the arrangement of a refrigerant circulation loop is not influenced; the second channel of the first heat recuperator 4 may be used for communication with an external hot water system.

In the air conditioning system, in the process of working refrigeration of the compressor 22 or working refrigeration of the refrigerant pump 23, the refrigerant flowing into the first channel of the first heat recoverer 4 can exchange heat with the water flowing into the second channel of the first heat recoverer 4, so that the refrigerant in the first channel is cooled, the water in the external hot water system is warmed, the energy consumption can be reduced, the heating in northern areas can be met, or the living hot water requirement of residents can be met, and the comprehensive energy efficiency of the air conditioning system is improved.

In one possible embodiment, the air conditioning system may further include a second heat recoverer 51, a first valve 52, a second valve 53, and a third valve 54, as shown in fig. 3, that is, the refrigeration assembly may be cooperatively connected with the evaporation cold coil 32 through the second heat recoverer 51, the first valve 52, the second valve 53, and the third valve 54;

wherein the second heat recoverer 51 may include a third channel and a fourth channel which can exchange heat with each other; the first port of the third passage of the second heat recoverer 51 communicates with the outlet of the compressor 22 and the outlet of the first check valve 25, and the second end of the third passage of the second heat recoverer 51 communicates with the inlet of the refrigerant pump 23 and the inlet of the second check valve 26 through the first valve 52; the fourth channel of the second heat recoverer 51 is used for communicating with an external hot water system; a first end of the evaporative cooling coil 32 communicates with the outlet of the compressor 22 and the outlet of the first check valve 25 through a second valve, and a second end of the evaporative cooling coil 32 communicates with the inlet of the refrigerant pump 23 and the inlet of the second check valve 26 through a third valve 54.

In the above-described air conditioning system, the refrigerant in the refrigerant circulation circuit may be cooled by the evaporative condenser 3 or the second heat recoverer 51. Specifically, when the first valve 52 is not conducted, the second valve 53 and the third valve 54 are conducted, the refrigeration assembly is communicated with the evaporation cooling coil 32 in the evaporation and condensation box 3 and is not communicated with the third channel of the second heat recoverer 51, and the purpose of energy consumption saving can be achieved by cooling the refrigerant in the evaporation cooling coil 32 in an evaporation cooling mode; and when the second valve 53 and the third valve 54 are not conducted and the first valve 52 is conducted, the refrigerating unit of the compressor 22 is communicated with the third channel of the second heat recoverer 51 and is not communicated with the evaporation cooling coil 32, and the refrigerant in the third channel of the second heat recoverer 51 and the water in the fourth channel can be subjected to heat exchange to realize the cooling of the refrigerant and the heating of the water in the external hot water system, so that the heating in northern areas or the domestic hot water requirement of residents can be met, and the comprehensive energy efficiency of the air conditioning system can be improved.

Specifically, the first valve 52 and the second valve 53 may be solenoid valves, and the third valve 54 may be a check valve, which is not limited herein, depending on the actual situation.

In one possible embodiment, the air conditioning system may further include an auxiliary cooler 6 located in the indoor heat exchange box 1, where the auxiliary cooler 6 is located adjacent to the evaporator 21, as shown in fig. 4, and may be used as a backup cold source of the system, and the redundancy design may improve the reliability of the air conditioning system. For example, if the compressor 22 in the refrigeration unit is damaged, the auxiliary cooler 6 may be connected to a cold water supply system, and the air in the indoor heat exchange tank 1 may be cooled by the cold water supply system. The auxiliary cooler 6 may be disposed at a side of the evaporator 21 away from the air supply port, and the auxiliary cold heat exchanger may be a fin type heat exchanger.

Specifically, the air conditioning system may further include a circulation pump 72 and a heat exchange coil 71 located in the evaporation-condensation tank 3, as shown in fig. 5; wherein, the heat exchange coil 71 is located between the air inlet 31 and the water distribution structure, the first end of the heat exchange coil 71 is communicated with the outlet of the auxiliary cooler 6, the second end of the heat exchange coil 71 is communicated with the inlet of the circulation pump 72, the outlet of the circulation pump 72 is communicated with the inlet of the auxiliary cooler 6, or the outlet of the auxiliary cooler 6 is communicated with the inlet of the circulation pump 72, the outlet of the circulation pump 72 is communicated with the first end of the heat exchange coil 71, and the second end of the heat exchange coil 71 is communicated with the inlet of the auxiliary cooler 6. The heat exchange coil 71 can be used as a standby cold source of the system, the auxiliary cooler 6, the heat exchange coil 71 and the circulating pump 72 can form a refrigeration circulation loop, the circulating pump 72 can be a water pump, and the cooling medium in the refrigeration circulation loop can be water, antifreeze water solution or the like. When the dryness in the computer lab air is great, can cool off through the circulation loop that auxiliary cooler 6, heat exchange coil 71, circulating pump 72 constitute, can promote the system efficiency, do not need compressor 22 work, save the energy consumption.

Wherein, the circulation loop formed by the auxiliary cooler 6, the heat exchange coil 71 and the circulation pump 72 can be provided with functional devices such as a cooling liquid filling port, a cooling liquid discharging port, an emptying device, an expansion container, an antifreezing device and the like according to the requirements.

Specifically, the heat exchange coil 71 may be located between the evaporative cooling coil 32 and the air inlet 31, or may be located on a side of the evaporative cooling coil 32 away from the air inlet 31, which is not limited herein, depending on the actual situation.

Specifically, the refrigeration assembly may further include a reservoir 27, the reservoir 27 being connected at the inlet of the refrigerant pump 23, the reservoir 27 being connected in series between the inlet of the refrigerant pump 23 and the second end of the evaporating refrigerant coil 32. The accumulator 27 can protect the refrigeration cycle, which is beneficial to improving the life of the air conditioning system. Specifically, the reservoir 27 may be installed in a vertical or horizontal direction, and is not limited herein, depending on the actual situation.

In one possible embodiment, the air conditioning system may further include a third heat recoverer 82, a three-way valve 81, and a fourth valve 83, as shown in fig. 6; that is, the refrigeration assembly can be cooperatively connected with the evaporative cooling coil 32 through a third heat recoverer 82, a three-way valve 81 and a fourth valve 83;

Wherein the third heat recoverer 82 includes a fifth channel and a sixth channel that can exchange heat with each other; an inlet of the three-way valve 81 communicates with an outlet of the compressor 22, and a first outlet of the three-way valve 81 communicates with a first end of the evaporative cooling coil 32; the first port of the fifth pass of the third heat recoverer 82 communicates with the evaporative cooling coil 32 through the fourth valve 83 and with the second outlet of the three-way valve 81, and the second port of the fifth pass of the third heat recoverer 82 communicates with the inlet of the refrigerant pump 23; the sixth channel of the third heat recoverer 82 is used to communicate with an external hot water system.

In the air conditioning system described above, the cooling mode of the system can be switched by the three-way valve 81 and the fourth valve 83. Specifically, when the inlet of the three-way valve 81 is connected to the first outlet and the fourth valve 83 is connected to the second outlet, a refrigeration cycle may be formed among the refrigeration unit, the evaporation cooling coil 32, and the third heat recoverer 82, and the refrigerant in the refrigeration cycle may be cooled by the evaporation cooling coil 32. And when the inlet of the three-way valve 81 is conducted with the second outlet and the fourth valve 83 is not conducted, a refrigeration cycle loop can be formed between the refrigeration component and the third heat recoverer 82, the refrigerant in the refrigeration cycle loop can be cooled through heat exchange between the fifth channel and the sixth channel in the third heat recoverer 82, and the temperature of water in an external hot water system can be raised, so that heating in northern areas can be met, or domestic hot water requirements of residents can be met, and the comprehensive energy efficiency of an air conditioning system can be improved.

Specifically, the fourth valve 83 may be a check valve or an electromagnetic valve, which is not limited herein, depending on the actual situation.

In the embodiment of the present utility model, the compressor 22, the liquid storage 27, the refrigerant pump 23, the heat recoverer, the valve, the circulation pump 72, etc. may be installed in the indoor heat exchange tank 1, or at the bottom of the evaporation and condensation tank 3, or at other positions on a common chassis other than the indoor heat exchange tank 1 and the evaporation and condensation tank 3, which are not shown here, and the compressor 22, the liquid storage 27, the refrigerant pump 23, the heat recoverer, the valve, the circulation pump 72, etc. are installed in the indoor heat exchange tank 1 according to practical situations, for example, as shown in fig. 1 to 6.

Specifically, the first heat recoverer 4, the second heat recoverer 51 and the third heat recoverer 82 may be dividing wall type water fluorine heat exchangers, and specific structural forms may be plate type, shell-and-tube type, sleeve type and other different forms.

In the embodiment of the present utility model, the evaporation and condensation box 3 may further include a water collecting structure 36, where the water collecting structure 36 is located between the water distribution structure 33 and the evaporation air cooler 34, so that the influence of the water vapor sprayed by the water distribution structure 33 on the evaporation air cooler 34 can be avoided.

In the embodiment of the present utility model, as shown in fig. 1 to 6, the air conditioning system may further include a shower water pump 37, where the shower water pump 37 is used to supply water to the water distribution structure 33, and the water distribution structure 33 is communicated with the water receiving disc 35 through the shower water pump 37. Specifically, the spray water pump 37 may be disposed in the indoor heat exchange box 1, or on the side of the evaporation and condensation box 3, or on the bottom of the evaporation and condensation box 3, or in the water pan 35, and is not limited herein, and may be determined according to practical situations.

In the embodiment of the present utility model, the evaporation and condensation box 3 in the air conditioning system further includes an evaporation and condensation filler 38, and the evaporation and condensation filler 38 may be inserted between the outer walls of the evaporation and condensation coil 32, or the evaporation and condensation filler 38 is located between the evaporation and condensation coil 32 and the water distribution structural member 33. The arrangement of the evaporative cooling filler 38 can increase the area of evaporative cooling, facilitating heat exchange.

In particular, when the air conditioning system includes a heat exchange coil 71, the evaporative cooling filler 38 may also be interposed between the outer walls of the heat exchange coil 71.

In the embodiment of the present utility model, a water inlet pipe 391, a water outlet pipe and a branch water outlet pipe may be connected to a side of the water receiving tray 35 facing away from the evaporative cooling coil 32; wherein, be provided with into water motorised valve 301 on the inlet tube 391, be provided with drainage motorised valve 302 on the drain pipe, be provided with manual drain valve 303 on the branch road drain pipe, drain pipe and branch road drain pipe can communicate with total drain 392. The water inlet electric valve 301 can realize automatic water replenishment in the water tray 35, the water discharge electric valve 302 can realize automatic water discharge in the water tray 35, and the manual water discharge valve 303 can realize manual water discharge.

In the embodiment of the present utility model, the water receiving tray 35 may be further connected with an overflow pipe 304, where the overflow pipe 304 is used to keep the water level in the water receiving tray 35 below a preset water level, so as to avoid water in the water receiving tray 35 overflowing from the water receiving tray 35.

In the embodiment of the utility model, in the air conditioning system, the evaporation and condensation box body 3 can be replaced by a water-fluorine heat exchanger, so that the air conditioning system becomes an integrated water-cooling fluorine pump air conditioner. As shown in fig. 7, the air conditioning system further includes an auxiliary cooler 6 in the indoor heat exchange box 1, the auxiliary cooler 6 is disposed adjacent to the evaporator 21, and the condensing heat exchanger is a water fluorine heat exchanger 100 in the indoor heat exchange box 1, and can be applied to a hot and humid area in the south. The water fluorine heat exchanger 100 may include a fluorine side channel and a water side channel that can exchange heat with each other, the fluorine side channel of the water fluorine heat exchanger 100 may be connected with the refrigeration component in a matching manner, that is, two ports of the fluorine side channel may be respectively communicated with an outlet of the compressor 22 and an inlet of the refrigerant pump 23, the water side channel of the water fluorine heat exchanger 100 is communicated with an external evaporative cooling tower, the evaporative cooling tower may utilize external water resources to cool water flowing through the water fluorine heat exchanger, and cooling of the refrigerant may be achieved through heat exchange between water and refrigerant in the water fluorine heat exchanger. The water fluorine heat exchanger can be a plate type heat exchanger, a shell-and-tube type heat exchanger and a sleeve type heat exchanger.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An air conditioning system is characterized by comprising an indoor heat exchange box body, a refrigeration assembly and a condensation heat exchanger;

2. The air conditioning system of claim 1, further comprising an evaporative condensing housing, the condensing heat exchanger being an evaporative cooling coil located within the evaporative condensing housing;

The evaporation air cooler is positioned at the air outlet.

3. The air conditioning system of claim 2, comprising a first heat recuperator comprising a first channel and a second channel that are heat exchangeable with each other;

4. The air conditioning system of claim 2, further comprising a second heat recovery unit, a first valve, a second valve, and a third valve;

5. The air conditioning system of claim 2, further comprising an auxiliary cooler located within said indoor heat exchange box, said auxiliary cooler being disposed adjacent said evaporator.

6. The air conditioning system of claim 5, further comprising a circulation pump and a heat exchange coil within the evaporative condenser housing; the heat exchange coil is positioned between the air inlet and the water distribution structural member;

7. The air conditioning system according to any of claims 2-6, wherein the refrigeration assembly further comprises an accumulator connected at the inlet of the refrigerant pump, the accumulator being connected in series between the inlet of the refrigerant pump and the second end of the evaporative cooling coil.

8. The air conditioning system of claim 2, further comprising a third heat recovery unit, a three-way valve, and a fourth valve; the third heat recoverer comprises a fifth channel and a sixth channel which can exchange heat mutually;

9. The air conditioning system of claim 2, further comprising a water collection structure within the evaporative condensing housing, the water collection structure being located between the water distribution structure and the evaporative cooler.

10. The air conditioning system of claim 2, further comprising a shower water pump for supplying water to the water distribution structure, the water distribution structure being in communication with the water pan via the shower water pump.

11. The air conditioning system according to claim 2, wherein the evaporative condensing box body further comprises an evaporative cold filler, and the evaporative cold filler is inserted between the outer walls of the evaporative cold coil pipe or is located between the evaporative cold coil pipe and the water distribution structural member.

12. The air conditioning system according to claim 2, wherein a water inlet pipe, a water outlet pipe and a branch water outlet pipe are connected to one side of the water receiving tray away from the evaporative cooling coil;

13. The air conditioning system according to claim 12, wherein the water pan is further connected with an overflow pipe for maintaining a water level in the water pan below a preset water level.

14. The air conditioning system of claim 2, further comprising a chassis;

15. The air conditioning system of claim 1, further comprising an auxiliary cooler located within said indoor heat exchange box, said auxiliary cooler being disposed adjacent said evaporator;