CN215637593U - Air conditioner refrigerating system - Google Patents

Air conditioner refrigerating system Download PDF

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Publication number
CN215637593U
CN215637593U CN202121172882.1U CN202121172882U CN215637593U CN 215637593 U CN215637593 U CN 215637593U CN 202121172882 U CN202121172882 U CN 202121172882U CN 215637593 U CN215637593 U CN 215637593U
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heat exchanger
heat
pipe
inlet
air
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刘士群
张金广
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Jiangsu Shanyuan Thermal Technology Co ltd
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Jiangsu Shanyuan Thermal Technology Co ltd
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Abstract

The utility model discloses an air-conditioning refrigeration system which comprises a heat exchanger arranged on the indoor side and an outdoor unit arranged on the outdoor side, wherein the outdoor unit comprises a plate-type heat exchanger, a compressor, a thermal expansion valve, an air-conditioning condenser, a heat pipe heat exchanger and a heat dissipation fan. The installation height of the outdoor unit is higher than that of the indoor side heat exchanger, the indoor heat exchanger and the heat pipe heat exchanger form a first gravity heat pipe heat exchange circulating system, heat flow channels of the indoor heat exchanger and the plate heat exchanger are connected to form a second gravity heat pipe heat exchange circulating system, a cold flow channel of the plate heat exchanger, the compressor, the thermal expansion valve and the air conditioner condenser form an outdoor side air conditioner refrigerating circulating system, and hot fluid generated by the second gravity heat pipe heat exchange circulating system exchanges heat with cold fluid generated by the outdoor side air conditioner refrigerating circulating system in the plate heat exchanger, so that indoor side refrigeration is realized. The utility model can realize switching different refrigeration systems according to the working temperature of the environment, thereby saving energy consumption.

Description

Air conditioner refrigerating system
Technical Field
The utility model belongs to the technical field of air conditioning devices, and particularly relates to an air conditioning refrigeration system.
Background
The existing air-conditioning refrigeration system generally comprises a compressor, a thermal expansion valve, an air-conditioning condenser and an evaporator, wherein the evaporator is arranged at the indoor side, when the air-conditioning refrigeration system works, the compressor compresses a gaseous refrigerant into a high-temperature high-pressure gaseous state, the gaseous refrigerant is sent to the condenser to be cooled, the cooled gaseous refrigerant is changed into a medium-temperature high-pressure liquid refrigerant, the medium-temperature high-pressure liquid refrigerant enters a drying bottle to be filtered and dehumidified, the medium-temperature liquid refrigerant is throttled and depressurized by the expansion valve (throttling part) to be changed into a low-temperature low-pressure gas-liquid mixture, the low-temperature low-pressure gas-liquid mixture is vaporized by absorbing heat in air by the evaporator to be changed into a gaseous state, and then the gaseous refrigerant returns to the compressor to be continuously compressed and continuously circulates for refrigeration. The traditional air-conditioning refrigeration system needs the compressor to continuously work, so the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an air-conditioning refrigeration system which can greatly reduce energy consumption.
The utility model is realized by the following technical scheme:
an air-conditioning refrigeration system comprises a heat exchanger arranged on the indoor side and an outdoor unit arranged on the outdoor side, wherein the outdoor unit comprises a plate-type heat exchanger, a compressor, a thermal expansion valve, an air-conditioning condenser, a heat pipe heat exchanger and a cooling fan;
the bottom inlet of the indoor side heat exchanger is connected with the bottom outlet of the outdoor side heat pipe heat exchanger through a pipeline, and the top outlet of the indoor side heat exchanger is connected with the top inlet of the outdoor side heat pipe heat exchanger through a pipeline; the installation height of the heat pipe heat exchanger is larger than that of the indoor side heat exchanger, refrigerant can flow from the heat pipe heat exchanger to the indoor side heat exchanger along a pipeline without power, the refrigerant is evaporated into a gaseous state after absorbing a large amount of heat at the indoor side heat exchanger, the gaseous refrigerant returns to the top inlet of the heat pipe heat exchanger along the pipeline, the heat of the heat pipe heat exchanger is dissipated through a fan, the refrigerant is condensed into a liquid state in the heat pipe heat exchanger, and the liquid refrigerant naturally flows into the indoor side heat exchanger under the action of gravity, so that a first gravity heat pipe heat exchange circulating system is formed;
the top outlet of the indoor side heat exchanger is also connected in parallel to the hot inlet of the plate heat exchanger through a pipeline, and the bottom inlet of the indoor side heat exchanger is also connected in parallel to the cold outlet of the plate heat exchanger through a pipeline; the cold inlet of the plate heat exchanger is connected with the outlet end of the thermostatic expansion valve, the inlet end of the thermostatic expansion valve is connected with the outlet of the air-conditioning condenser, the inlet of the air-conditioning condenser is connected with the outlet end of the compressor, the inlet end of the compressor is connected with the heat outlet of the plate heat exchanger, and the compressor, the air-conditioning condenser, the thermostatic expansion valve and the plate heat exchanger form an outdoor air-conditioning refrigeration circulating system; the installation height of the plate heat exchanger is greater than that of the indoor side heat exchanger, and the indoor side heat exchanger and the plate heat exchanger form a second gravity heat pipe heat exchange circulating system; and hot fluid generated by the second gravity heat pipe heat exchange circulating system exchanges heat with cold fluid generated by the outdoor air conditioner refrigeration circulating system in the plate heat exchanger, so that indoor refrigeration is realized.
In the above technical solution, the indoor heat exchanger is used as an evaporator, and the refrigerant in the indoor heat exchanger is evaporated into a gas phase by absorbing indoor heat.
In the technical scheme, the air conditioner condenser and the heat pipe heat exchanger are arranged side by side in the outdoor unit, and the cooling fan is arranged on one side of the air conditioner condenser and the heat pipe heat exchanger.
In the technical scheme, the installation heights of the plate heat exchanger, the air conditioner condenser, the thermal expansion valve and the related connecting pipelines in the outdoor unit are higher than that of the compressor, so that overflowed lubricating oil can flow back to the compressor, and the efficient work and the service life of the compressor are ensured.
In the technical scheme, the electric control valve is arranged on the pipeline between the indoor side heat exchanger and the heat pipe heat exchanger, and the electric control valve is arranged on the pipeline between the indoor side heat exchanger and the plate type heat exchanger, so that different refrigeration systems can be switched according to the environment working temperature.
In the technical scheme, a dryer is further arranged on a pipeline between the air conditioner condenser and the thermal expansion valve.
In the above technical scheme, the indoor side heat exchanger comprises a liquid inlet collecting pipe, a gas outlet collecting pipe and a heat transfer pipe with a heat dissipation fin, wherein the liquid inlet collecting pipe is positioned at the bottom, the gas outlet collecting pipe is positioned at the upper part, the liquid inlet collecting pipe and the gas outlet collecting pipe are arranged in parallel, an inlet connecting pipe is arranged on the liquid inlet collecting pipe, the inlet connecting pipe is arranged upwards perpendicular to the liquid inlet collecting pipe, an outlet connecting pipe is arranged on the gas outlet collecting pipe, and the outlet connecting pipe is arranged upwards perpendicular to the gas outlet collecting pipe; the heat transfer tubes with the heat dissipation fins are arranged between the liquid inlet collecting tube and the gas outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the liquid inlet collecting tube and the gas outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal pieces formed by shoveling on the outer wall of the heat transfer pipe by using a shovel blade, so that the heat transfer efficiency can be greatly improved.
In the above technical scheme, the heat pipe heat exchanger comprises an air inlet collecting pipe, a liquid outlet collecting pipe and a heat transfer pipe with a heat dissipation fin, wherein the air inlet collecting pipe is vertically positioned at the left side, the liquid outlet collecting pipe is vertically positioned at the right side, an inlet connecting pipe is arranged on the air inlet collecting pipe and positioned at the upper part of the air inlet collecting pipe, an outlet connecting pipe is arranged on the liquid outlet collecting pipe and positioned at the lower part of the liquid outlet collecting pipe; the heat transfer tubes with the heat dissipation fins are arranged between the air inlet collecting tube and the liquid outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the air inlet collecting tube and the liquid outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal sheets formed by scraping on the outer wall of the heat transfer pipe by using a scraper knife.
In the above technical solution, the heat dissipating fins are wavy, that is, the heat dissipating fins have a plurality of continuous curved surfaces, and the fins are made into wavy shapes, so that the heat dissipating effect of the fins can be increased.
In the technical scheme, the heat exchanger on the indoor side adopts a micro-channel heat exchanger.
The utility model has the advantages and beneficial effects that:
the refrigeration system comprises a first gravity heat pipe heat exchange circulation system, a second gravity heat pipe heat exchange circulation system and an outdoor air conditioner refrigeration circulation system, wherein the first gravity heat pipe heat exchange circulation system can independently realize unpowered circulation refrigeration, and the second gravity heat pipe heat exchange circulation system is combined with the outdoor air conditioner refrigeration circulation system to realize rapid refrigeration of a compressor air conditioner.
The utility model adopts a plate heat exchanger structure as an intermediate heat exchange bridge to build a heat exchange system between a second gravity heat pipe heat exchange circulating system and an outdoor air conditioner refrigeration circulating system, and does not directly connect an indoor microchannel heat exchanger (evaporator) with an outdoor compressor, an air conditioner condenser and a thermal expansion valve to form an air conditioner heat exchange system, because: when the compressor works, lubricating oil of the compressor overflows, if the plate heat exchanger is not arranged, but the microchannel heat exchanger (evaporator) is directly connected with the compressor, the air-conditioning condenser and the thermal expansion valve on the outdoor side to form an air-conditioning heat exchange system, the lubricating oil of the compressor is left in the microchannel heat exchanger (evaporator) on the low position because the installation height of the outdoor machine is greater than that of the microchannel heat exchanger (evaporator) on the indoor side, and adverse effects are caused to the whole system. The utility model adds the plate heat exchanger as an intermediate heat exchange bridge, so that even if the installation height of the outdoor unit is greater than that of the indoor micro-channel heat exchanger, the lubricating oil of the compressor can not enter the micro-channel heat exchanger (evaporator) positioned at the lower position but is remained in the outdoor unit. Furthermore, the installation height of the plate heat exchanger, the air-conditioning condenser, the thermal expansion valve and other parts in the outdoor unit and the installation height of the related connecting pipelines are higher than that of the compressor, so that the overflowed lubricating oil can flow back to the compressor, and the high-efficiency work and the service life of the compressor are ensured.
The utility model can realize switching different refrigeration systems according to the working temperature of the environment, and when the temperature difference between the indoor and the outdoor is large, the first gravity heat pipe heat exchange circulating system is adopted to realize unpowered circulating refrigeration (only the heat dissipation fan has energy consumption), thereby realizing ultra-low energy consumption heat exchange. When the temperature difference between the indoor and the outdoor is not large, the second gravity heat pipe heat exchange circulating system is combined with the outdoor air conditioner refrigeration circulating system to realize the rapid refrigeration of the compressor air conditioner.
The indoor side micro-channel heat exchanger and the heat pipe heat exchanger adopt the high-efficiency heat exchanger with the radiating fins, and the radiating fins are tilted thin sheet metal sheets formed by shoveling the outer wall of the heat transfer pipe by using the shovel blade, so that the heat transfer efficiency can be greatly improved.
The air conditioner condenser and the heat pipe heat exchanger in the outdoor unit are vertically arranged side by side and share one heat dissipation fan, so that the outdoor unit is compact in structure, convenient to install, energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning refrigeration system of the present invention.
Fig. 2 is a schematic diagram of the operating principle of the air conditioning refrigeration system of the present invention.
Fig. 3 is a schematic structural view of a microchannel heat exchanger on the indoor side.
Fig. 4 is a schematic structural diagram of the heat pipe heat exchanger.
Wherein:
1: microchannel heat exchanger, 2: plate heat exchanger, 3: compressor, 4: thermostatic expansion valve, 5: air conditioner condenser, 6: heat pipe exchanger, 7: cooling fan, 8: and (7) a dryer.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
Referring to fig. 1 and 2, the air-conditioning refrigeration system comprises a micro-channel heat exchanger 1 arranged on the indoor side and an outdoor unit arranged on the outdoor side, wherein the outdoor unit comprises a plate heat exchanger 2, a compressor 3, a thermal expansion valve 4, an air-conditioning condenser 5, a heat pipe heat exchanger 6 and a cooling fan 7.
The micro-channel heat exchanger 1 on the indoor side is used as an evaporator, and the refrigerant in the micro-channel heat exchanger is evaporated into a gas phase by absorbing indoor heat.
The inlet of the indoor side micro-channel heat exchanger 1 is positioned at the bottom of the micro-channel heat exchanger, the outlet is arranged at the top of the micro-channel heat exchanger, the bottom inlet of the micro-channel heat exchanger 1 is connected with the bottom outlet of the outdoor side heat pipe heat exchanger 6 through a pipeline, and the top outlet of the micro-channel heat exchanger 1 is connected with the top inlet of the outdoor side heat pipe heat exchanger 6 through a pipeline; the installation height of the heat pipe heat exchanger 6 is larger than that of the micro-channel heat exchanger 1 (namely the installation height of the whole outdoor unit is larger than that of the micro-channel heat exchanger), the refrigerant can flow from the heat pipe heat exchanger 6 to the micro-channel heat exchanger 1 along the pipeline without power, the refrigerant is evaporated into a gaseous state after absorbing a large amount of heat by the micro-channel heat exchanger (evaporator), the gaseous refrigerant returns to the top inlet of the heat pipe heat exchanger along the pipeline, the heat pipe heat exchanger is cooled by a fan, the refrigerant is condensed into a liquid state in the heat pipe heat exchanger, and the liquid refrigerant naturally flows into the micro-channel heat exchanger (evaporator) under the action of gravity, so that the gravity heat pipe heat exchange circulating system (1) is formed.
The plate heat exchanger 2 is provided with four interfaces, namely a hot inlet, a cold outlet, a cold inlet, a hot outlet and the like, wherein the hot inlet and the cold outlet are communicated in the plate heat exchanger and are used for allowing hot fluid to flow through; the cold inlet and the hot outlet are communicated in the plate heat exchanger and are used for flowing cold fluid, and the hot fluid and the cold fluid exchange heat in the plate heat exchanger.
The top outlet of the indoor side micro-channel heat exchanger 1 is connected with the heat pipe heat exchanger 6 on the outdoor side and is also connected in parallel to the heat inlet of the plate heat exchanger 2 through a pipeline; the bottom inlet of the micro-channel heat exchanger 1 is connected with a heat pipe heat exchanger 6 outside the chamber and is also connected in parallel to the cold outlet of the plate heat exchanger 2 through a pipeline; a cold inlet of the plate type heat exchanger 2 is connected with an outlet end of a thermostatic expansion valve 4, an inlet end of the thermostatic expansion valve 4 is connected with an outlet of an air-conditioning condenser 5, an inlet of the air-conditioning condenser 5 is connected with an outlet end of a compressor 3, an inlet end of the compressor 3 is connected with a heat outlet of the plate type heat exchanger 2, and the compressor 3, the air-conditioning condenser 5, the thermostatic expansion valve 4 and the plate type heat exchanger 2 form an outdoor air-conditioning refrigeration circulating system; moreover, the installation height of the plate heat exchanger 2 is greater than that of the indoor side micro-channel heat exchanger 1, so that liquid refrigerant discharged from a cold outlet of the plate heat exchanger 2 can naturally flow into the micro-channel heat exchanger 1 under the action of gravity, and the micro-channel heat exchanger 1 and the plate heat exchanger form a gravity heat pipe heat exchange circulating system (2); therefore, when the heat exchanger works, hot fluid generated by the gravity heat pipe heat exchange circulating system (2) exchanges heat with cold fluid generated by the outdoor air conditioner refrigerating circulating system in the plate heat exchanger, and indoor refrigeration is realized.
In the outdoor unit, the air conditioner condenser 5 and the heat pipe heat exchanger 6 are arranged side by side, and the heat radiation fan 7 is arranged at one side of the air conditioner condenser 5 and the heat pipe heat exchanger 6.
The utility model adopts a plate heat exchanger structure as an intermediate heat exchange bridge to build a heat exchange system between a gravity heat pipe heat exchange circulating system (2) and an outdoor air conditioner refrigeration circulating system, and does not directly connect an indoor microchannel heat exchanger (evaporator) with an outdoor compressor, an air conditioner condenser and a thermal expansion valve to form an air conditioner heat exchange system, because: when the compressor works, lubricating oil of the compressor overflows, if the plate heat exchanger is not arranged, but the microchannel heat exchanger (evaporator) is directly connected with the compressor, the air-conditioning condenser and the thermal expansion valve on the outdoor side to form an air-conditioning heat exchange system, the installation height of the outdoor unit is greater than that of the microchannel heat exchanger (evaporator) on the indoor side (in order to form the gravity heat pipe heat exchange circulating system (1)), the lubricating oil of the compressor is remained in the microchannel heat exchanger (evaporator) on the low position, and adverse effects are caused to the whole system. The utility model adds the plate heat exchanger as an intermediate heat exchange bridge, so that even if the installation height of the outdoor unit is greater than that of the indoor side micro-channel heat exchanger, the lubricating oil of the compressor can not enter the low-level micro-channel heat exchanger (evaporator) but stay in the outdoor unit, and furthermore, the installation heights of the plate heat exchanger, the air-conditioning condenser, the thermal expansion valve and other parts in the outdoor unit and related connecting pipelines are higher than that of the compressor, so that the overflowed lubricating oil can flow back to the compressor, and the high-efficiency work and the service life of the compressor are ensured.
Further, a dryer 8 is provided on a pipe between the air conditioner condenser and the thermostatic expansion valve.
Furthermore, the electric control valve is arranged on the pipeline between the micro-channel heat exchanger (evaporator) and the heat pipe heat exchanger, and the electric control valve is arranged on the pipeline between the micro-channel heat exchanger (evaporator) and the plate heat exchanger, so that different refrigeration systems can be switched according to the environment working temperature. When the temperature difference between the indoor and outdoor is large, the first gravity heat pipe heat exchange circulating system is adopted to realize unpowered circulating refrigeration (only the heat dissipation fan has energy consumption), and ultralow energy consumption heat exchange is realized. When the temperature difference between the indoor and the outdoor is not large, the second gravity heat pipe heat exchange circulating system is combined with the outdoor air conditioner refrigeration circulating system to realize the rapid refrigeration of the compressor air conditioner.
Example two
Referring to fig. 3, the structural schematic diagram of an indoor-side microchannel heat exchanger is shown, the microchannel heat exchanger includes a liquid inlet header 1.1, a gas outlet header 1.2 and a heat transfer pipe 1.3 with heat dissipation fins, the liquid inlet header is located at the bottom, the gas outlet header is located at the upper part, the liquid inlet header and the gas outlet header are arranged in parallel, an inlet connecting pipe 1.11 is arranged on the liquid inlet header, the inlet connecting pipe is arranged upward perpendicular to the liquid inlet header, an outlet connecting pipe 1.21 is arranged on the gas outlet header, and the outlet connecting pipe is arranged upward perpendicular to the gas outlet header; the heat transfer tubes with the heat dissipation fins are arranged between the liquid inlet collecting tube and the gas outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the liquid inlet collecting tube and the gas outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal pieces formed by shoveling on the outer wall of the heat transfer pipe by using a shovel blade, so that the heat transfer efficiency can be greatly improved. The liquid inlet collecting pipe 1.1 and the gas outlet collecting pipe 1.2 are both provided with a plurality of connecting sheets 1.4, and the connecting sheets 1.4 are provided with bolt holes for fixing the micro-channel heat exchanger at a target position.
EXAMPLE III
Referring to fig. 4, the structural schematic diagram of the heat pipe heat exchanger is shown, the heat pipe heat exchanger includes an air inlet manifold 6.1, a liquid outlet manifold 6.2 and a heat transfer pipe 6.3 with a heat dissipation fin, the air inlet manifold is vertically located on the left side, the liquid outlet manifold is vertically located on the right side, an inlet connecting pipe 6.11 is arranged on the air inlet manifold, the inlet connecting pipe is located on the upper portion of the air inlet manifold, an outlet connecting pipe 6.21 is arranged on the liquid outlet manifold, and the outlet connecting pipe is located on the lower portion of the liquid outlet manifold; the heat transfer tubes with the heat dissipation fins are arranged between the air inlet collecting tube and the liquid outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the air inlet collecting tube and the liquid outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal pieces formed by shoveling on the outer wall of the heat transfer pipe by using a shovel blade, so that the heat transfer efficiency can be greatly improved.
Furthermore, the radiating fins are wavy, namely, the radiating fins are provided with a plurality of continuous curved surfaces, and the radiating effect of the fins can be improved by making the fins wavy.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The utility model has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the utility model fall within the scope of the utility model.

Claims (9)

1. An air conditioning refrigeration system characterized by: the outdoor unit comprises a plate type heat exchanger, a compressor, a thermal expansion valve, an air conditioner condenser, a heat pipe heat exchanger and a heat dissipation fan;
the bottom inlet of the indoor side heat exchanger is connected with the bottom outlet of the outdoor side heat pipe heat exchanger through a pipeline, the top outlet of the indoor side heat exchanger is connected with the top inlet of the outdoor side heat pipe heat exchanger through a pipeline, the installation height of the heat pipe heat exchanger is larger than that of the indoor side heat exchanger, and a first gravity heat pipe heat exchange circulating system is formed;
the top outlet of the indoor side heat exchanger is also connected in parallel to the hot inlet of the plate heat exchanger through a pipeline, and the bottom inlet of the indoor side heat exchanger is also connected in parallel to the cold outlet of the plate heat exchanger through a pipeline; the cold inlet of the plate heat exchanger is connected with the outlet end of the thermostatic expansion valve, the inlet end of the thermostatic expansion valve is connected with the outlet of the air-conditioning condenser, the inlet of the air-conditioning condenser is connected with the outlet end of the compressor, the inlet end of the compressor is connected with the heat outlet of the plate heat exchanger, and the compressor, the air-conditioning condenser, the thermostatic expansion valve and the plate heat exchanger form an outdoor air-conditioning refrigeration circulating system; and the installation height of the plate heat exchanger is larger than that of the indoor side heat exchanger, and the indoor side heat exchanger and the plate heat exchanger form a second gravity heat pipe heat exchange circulating system.
2. An air conditioning refrigeration system as set forth in claim 1 wherein: the air conditioner condenser and the heat pipe heat exchanger are arranged side by side in the outdoor unit, and the cooling fan is arranged on one side of the air conditioner condenser and the heat pipe heat exchanger.
3. An air conditioning refrigeration system as set forth in claim 1 wherein: the installation height of the plate heat exchanger, the air conditioner condenser, the thermal expansion valve and the related connecting pipelines in the outdoor unit is higher than that of the compressor.
4. An air conditioning refrigeration system as set forth in claim 1 wherein: an electric control valve is arranged on a pipeline between the indoor side heat exchanger and the heat pipe heat exchanger, and an electric control valve is arranged on a pipeline between the indoor side heat exchanger and the plate heat exchanger.
5. An air conditioning refrigeration system as set forth in claim 1 wherein: and a drier is arranged on a pipeline between the air-conditioning condenser and the thermal expansion valve.
6. An air conditioning refrigeration system as set forth in claim 1 wherein: the indoor side heat exchanger comprises a liquid inlet collecting pipe, a gas outlet collecting pipe and a heat transfer pipe with a heat dissipation fin, wherein the liquid inlet collecting pipe is positioned at the bottom, the gas outlet collecting pipe is positioned at the upper part, the liquid inlet collecting pipe and the gas outlet collecting pipe are arranged in parallel, an inlet connecting pipe is arranged on the liquid inlet collecting pipe, the inlet connecting pipe is arranged upwards perpendicular to the liquid inlet collecting pipe, an outlet connecting pipe is arranged on the gas outlet collecting pipe, and the outlet connecting pipe is arranged upwards perpendicular to the gas outlet collecting pipe; the heat transfer tubes with the heat dissipation fins are arranged between the liquid inlet collecting tube and the gas outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the liquid inlet collecting tube and the gas outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal sheets formed by scraping on the outer wall of the heat transfer pipe by using a scraper knife.
7. An air conditioning refrigeration system as set forth in claim 1 wherein: the heat pipe heat exchanger comprises an air inlet collecting pipe, a liquid outlet collecting pipe and a heat transfer pipe with a heat dissipation fin, wherein the air inlet collecting pipe is vertically positioned on the left side, the liquid outlet collecting pipe is vertically positioned on the right side, an inlet connecting pipe is arranged on the air inlet collecting pipe and is positioned on the upper part of the air inlet collecting pipe, an outlet connecting pipe is arranged on the liquid outlet collecting pipe and is positioned on the lower part of the liquid outlet collecting pipe; the heat transfer tubes with the heat dissipation fins are arranged between the air inlet collecting tube and the liquid outlet collecting tube, and two ports of the heat transfer tubes with the heat dissipation fins are respectively communicated with the air inlet collecting tube and the liquid outlet collecting tube; the heat transfer pipe with the heat dissipation fins is of an integrated structure, and the heat dissipation fins are tilted thin sheet metal sheets formed by scraping on the outer wall of the heat transfer pipe by using a scraper knife.
8. An air conditioning refrigeration system according to claim 6 or 7 wherein: the radiating fins are wavy.
9. An air conditioning refrigeration system as set forth in claim 1 wherein: the heat exchanger at the indoor side adopts a micro-channel heat exchanger.
CN202121172882.1U 2021-05-28 2021-05-28 Air conditioner refrigerating system Active CN215637593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121172882.1U CN215637593U (en) 2021-05-28 2021-05-28 Air conditioner refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121172882.1U CN215637593U (en) 2021-05-28 2021-05-28 Air conditioner refrigerating system

Publications (1)

Publication Number Publication Date
CN215637593U true CN215637593U (en) 2022-01-25

Family

ID=79939921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121172882.1U Active CN215637593U (en) 2021-05-28 2021-05-28 Air conditioner refrigerating system

Country Status (1)

Country Link
CN (1) CN215637593U (en)

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