CN215336708U - Refrigerant circulation system, air conditioner and equipment - Google Patents
Refrigerant circulation system, air conditioner and equipment Download PDFInfo
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- CN215336708U CN215336708U CN202121875975.0U CN202121875975U CN215336708U CN 215336708 U CN215336708 U CN 215336708U CN 202121875975 U CN202121875975 U CN 202121875975U CN 215336708 U CN215336708 U CN 215336708U
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Abstract
The utility model discloses a refrigerant circulating system, an air conditioner and equipment, wherein the refrigerant circulating system comprises: the system comprises a compressor, a four-way valve, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a high-pressure liquid storage device, a three-way valve, a first refrigerant quantity regulating valve, a second refrigerant quantity regulating valve, a third refrigerant quantity regulating valve and a controller; a port C of the four-way valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the high-pressure liquid accumulator, and the other end of the high-pressure liquid accumulator is connected with one end of the third refrigerant quantity regulating valve through the second refrigerant quantity regulating valve; the controller is connected with the four-way valve, the three-way valve, the first refrigerant quantity adjusting valve, the second refrigerant quantity adjusting valve and the third refrigerant quantity adjusting valve respectively and used for sending out control instructions according to the operation mode. The refrigerant circulating system can meet the requirements on the amount of refrigerants in different modes, and improves the heat exchange efficiency.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a refrigerant circulating system, an air conditioner and equipment.
Background
When the air conditioner operates in the dehumidification mode, the temperature rise and dehumidification are generally realized by turning on indoor electric heating, and the use cost of a user is increased due to the turning on of the electric heating. In current solution, change indoor heat exchanger structure, through part indoor heat exchanger, realize reheat dehumidification, can solve the cooling, the constant temperature dehumidification, the problem of intensification dehumidification.
In the prior art, because the air conditioner has different requirements for the refrigerant in the modes of refrigeration, heating, reheating and dehumidification and the like, the mode of changing the structure of the indoor heat exchanger is adopted, the requirements of the air conditioner for the refrigerant quantity in different modes can not be met, and the heat exchange efficiency is reduced in the heating mode.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, one objective of the present invention is to provide a refrigerant circulation system, which can meet the requirements of different modes on the amount of refrigerant, and improve the heat exchange efficiency.
The second objective of the present invention is to provide an air conditioner.
It is a further object of the utility model to provide an apparatus.
In order to achieve the above object, a first aspect of the present invention provides a refrigerant cycle system, including: the system comprises a compressor, a four-way valve, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a high-pressure liquid storage device, a three-way valve, a first refrigerant quantity regulating valve, a second refrigerant quantity regulating valve and a third refrigerant quantity regulating valve; an air outlet of the compressor is connected with a first interface of the three-way valve, a second interface of the three-way valve is connected with a D port of the four-way valve, a third interface of the three-way valve is connected with one end of the first indoor heat exchanger, the first refrigerant quantity regulating valve is arranged between the third interface of the three-way valve and one end of the first indoor heat exchanger, an S port of the four-way valve is connected with an air return port of the compressor, a C port of the four-way valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the high-pressure liquid reservoir, the other end of the high-pressure liquid reservoir is connected with one end of the third refrigerant quantity regulating valve through the second refrigerant quantity regulating valve, the other end of the first indoor heat exchanger is connected with one end of the third refrigerant quantity regulating valve, and the other end of the third refrigerant quantity regulating valve is connected with one end of the second indoor heat exchanger, the other end of the second indoor heat exchanger is connected with an E port of the four-way valve; and the controller is respectively connected with the four-way valve, the three-way valve, the first refrigerant quantity regulating valve, the second refrigerant quantity regulating valve and the third refrigerant quantity regulating valve and is used for sending a control instruction according to an operation mode.
According to the refrigerant circulation system provided by the embodiment of the utility model, the indoor heat exchanger part is arranged to comprise the first indoor heat exchanger and the second indoor heat exchanger, so that the problems of cooling, constant temperature dehumidification, heating and dehumidification and the like in a reheating dehumidification mode can be solved. Through increasing the high pressure reservoir to set up the high pressure reservoir in the necessary passageway of refrigerant circulation, can be used to under modes such as reheat dehumidification, heating or refrigeration, to the unnecessary refrigerant of demand storage of refrigerant volume when according to system circulation, with satisfy the demand to the refrigerant volume under the different modes, thereby promote refrigerant circulation system's heat exchange efficiency.
In some embodiments of the present invention, in the reheat dehumidification mode, the D port and the C port of the four-way valve are connected, the three-way valve is fully opened, the second refrigerant amount adjusting valve is fully opened, and the controller adjusts the opening degrees of the first refrigerant amount adjusting valve and the third refrigerant amount adjusting valve according to a room outlet temperature.
According to the refrigerant circulation system provided by the embodiment of the utility model, the indoor heat exchanger part is arranged to comprise the first indoor heat exchanger and the second indoor heat exchanger, namely the indoor heat exchangers are separated, so that the problems of temperature reduction, constant temperature dehumidification, temperature rise dehumidification and the like are solved, and the redundant refrigerant can be stored by adding the high-pressure liquid accumulator so as to meet the demand on the refrigerant quantity in a reheating dehumidification mode.
In some embodiments of the present invention, in the cooling mode, the port D of the four-way valve is communicated with the port C, the third port of the three-way valve is closed, the first refrigerant amount adjusting valve is closed, and the controller adjusts the opening degrees of the second refrigerant amount adjusting valve and the third refrigerant amount adjusting valve according to a room outlet temperature.
According to the refrigerant circulating system disclosed by the embodiment of the utility model, when the air conditioner runs in a refrigeration mode, the first indoor heat exchanger does not participate in the work of the whole system, the demand of the indoor unit for the refrigerant is reduced, and redundant refrigerant in the system can be stored in the high-pressure liquid storage device and does not participate in the refrigerant circulation, so that the demand of the refrigerant circulating system for the refrigerant quantity in the refrigeration mode is met.
In some embodiments of the present invention, in the heating mode, the port D of the four-way valve is communicated with the port E, the three-way valve is fully opened, the first refrigerant amount adjusting valve and the third refrigerant amount adjusting valve are fully opened, and the controller adjusts the opening degree of the second refrigerant amount adjusting valve according to an indoor outlet temperature.
According to the refrigerant circulation system disclosed by the embodiment of the utility model, when the air conditioner runs in the heating mode, the controller controls the three-way valve, the first refrigerant quantity regulating valve and the third refrigerant quantity regulating valve to be fully opened, the first indoor heat exchanger and the second indoor heat exchanger both participate in refrigerant circulation, the indoor unit has a large demand for the refrigerant, and the refrigerant stored in the high-pressure liquid reservoir can all participate in the refrigerant circulation of the refrigerant circulation system, so that the heat exchange efficiency is improved.
In some embodiments of the present invention, the first refrigerant quantity adjusting valve, the second refrigerant quantity adjusting valve and the third refrigerant quantity adjusting valve are all electronic expansion valves.
In order to achieve the above object, an air conditioner according to a second aspect of the present invention includes the refrigerant circulation system according to any one of the above embodiments.
According to the air conditioner provided by the embodiment of the utility model, the refrigerant circulating system in any one of the embodiments is applied to the air conditioner, and the high-pressure liquid storage device is arranged in the refrigerant circulating system to meet the requirements of the air conditioner on the refrigerant quantity in different modes, so that the problems of temperature reduction, constant temperature dehumidification, temperature rise dehumidification and the like can be effectively solved when the air conditioner runs in a reheating dehumidification mode, and the heat exchange efficiency of an indoor unit can be improved and the performance of the air conditioner can be improved when the air conditioner runs in a refrigeration mode or a heating mode.
In order to achieve the above object, an embodiment of the third aspect of the present invention provides an apparatus including the air conditioner according to the embodiment of the second aspect.
According to the device provided by the embodiment of the utility model, the air conditioner provided by the embodiment of the second aspect is applied to the device, and the air conditioner can be controlled to operate a cooling mode, a heating mode or a reheating and dehumidifying mode when the device has cooling, heating or dehumidifying requirements. And through increase high-pressure reservoir in the refrigerant circulation system of air conditioner to satisfy the air conditioner and operate the demand to the refrigerant volume under different modes, thereby promote equipment wholeness ability, promote user's use and feel.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a coolant circulation system according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a refrigerant circulation direction in a reheat dehumidification mode and a refrigeration mode according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a refrigerant circulation direction in a heating mode according to an embodiment of the present invention;
fig. 4 is a block diagram of an air conditioner according to an embodiment of the present invention;
fig. 5 is a block diagram of an apparatus according to one embodiment of the utility model.
Reference numerals:
an apparatus 1000;
an air conditioner 100;
a refrigerant circulation system 101;
the system comprises a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, a first indoor heat exchanger 4, a second indoor heat exchanger 5, a high-pressure liquid storage device 6, a three-way valve 7, a first refrigerant quantity adjusting valve 8, a second refrigerant quantity adjusting valve 9 and a third refrigerant quantity adjusting valve 10.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
In order to solve the problems that when the air conditioner operates in different modes, the demand for refrigerants is different, and the heat exchange efficiency is low, the embodiment of the utility model provides a refrigerant circulating system and the air conditioner provided with the refrigerant circulating system.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The air conditioner performs a cooling/heating cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. Wherein the refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
An air conditioner according to some embodiments of the present application includes an air conditioner indoor unit installed in an indoor space. The indoor unit, i.e., the indoor unit, is connected to an outdoor unit, i.e., the outdoor unit, installed in an outdoor space through a pipe. The outdoor unit of the air conditioner may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit of the air conditioner may be provided with an indoor heat exchanger and an indoor fan.
A refrigerant circulation system according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
In some embodiments of the present invention, as shown in fig. 1, a schematic diagram of a refrigerant cycle system according to an embodiment of the present invention is shown, wherein the refrigerant cycle system 101 includes a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, a first indoor heat exchanger 4, a second indoor heat exchanger 5, a high-pressure accumulator 6, a three-way valve 7, a first refrigerant quantity adjusting valve 8, a second refrigerant quantity adjusting valve 9, a third refrigerant quantity adjusting valve 10, and a controller (not shown).
The controller may be an MCU (micro controller Unit) in the air conditioner or a control Unit having a processing function on signals or data, and the controller may adjust the opening degrees of the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9, and the third refrigerant quantity adjusting valve 10 according to the room outlet temperature. For example, a temperature sensor or the like may be provided to collect the room outlet temperature data, and the controller may acquire the collected room outlet temperature data, acquire the adjustment parameters of the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9, and the third refrigerant quantity adjusting valve 10 according to the room outlet temperature data, and adjust the opening degrees of the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9, and the third refrigerant quantity adjusting valve 10 according to the adjustment parameters.
In the embodiment, the first refrigerant quantity regulating valve 8, the second refrigerant quantity regulating valve 9 and the third refrigerant quantity regulating valve 10 are all electronic expansion valves, and the electronic expansion valves have throttling functions in the refrigerant circulation process. Specifically, after the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9 and the third refrigerant quantity adjusting valve 10 acquire the adjusting parameters sent by the controller, the voltage or the current applied to the adjusting valves can be controlled according to the electric signals generated by the adjusting parameters, so that the purpose of adjusting the opening degrees of the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9 and the third refrigerant quantity adjusting valve 10 is achieved, and the control precision is high.
An exhaust port 1 of the compressor is connected with a first interface of a three-way valve 7, a second interface of the three-way valve 7 is connected with a D port of a four-way valve 2, a third interface of the three-way valve 7 is connected with one end of a first indoor heat exchanger 4, a first refrigerant quantity regulating valve 8 is arranged between the third interface of the three-way valve 7 and one end of the first indoor heat exchanger 4, an S port of the four-way valve 2 is connected with a gas return port of the compressor 1, a C port of the four-way valve 2 is connected with one end of an outdoor heat exchanger 3, the other end of the outdoor heat exchanger 3 is connected with one end of a high-pressure liquid reservoir 6, the other end of the high-pressure liquid reservoir 6 is connected with one end of a third refrigerant quantity regulating valve 10 through a second refrigerant quantity regulating valve 9, the other end of the first indoor heat exchanger 4 is connected with one end of the third refrigerant quantity regulating valve 10, the other end of the third refrigerant quantity regulating valve 10 is connected with one end of a second indoor heat exchanger 5, and the other end of the second indoor heat exchanger 5 is connected with an E port of the four-way valve 2.
The four-way valve 2 is used for controlling the circulation direction of the refrigerant, and the circulation path of the refrigerant can be controlled by arranging the three-way valve 7. For example, the three-way valve 7 is fully opened, which is equivalent to adding a port at the exhaust port of the compressor 1, and dividing the refrigerant discharged from the compressor 1 into two paths, and if the first port and the second port in the three-way valve 7 are controlled to be opened and the third port is controlled to be closed, or the first port and the third port in the three-way valve 7 are controlled to be opened and the second port is controlled to be closed, only one path of refrigerant circulates.
The indoor heat exchanger portion is arranged to include a first indoor heat exchanger 4 and a second indoor heat exchanger 5, i.e., the indoor heat exchangers are separated, thereby solving the problems of cooling, constant temperature dehumidification, temperature rise dehumidification and the like in the reheat dehumidification mode. In the reheat dehumidification mode, the heating mode, or the cooling mode, the amount of refrigerant required for circulation in the system 101 differs.
The high-pressure liquid accumulator 6 is arranged in the refrigerant circulating system 101, and the high-pressure liquid accumulator 6 is arranged in a channel which is necessary for the circulation of the refrigerant, so that redundant refrigerant can be stored when the amount of the refrigerant required in the circulation of the system 101 is small, and the stored refrigerant can be released when the amount of the refrigerant required in the circulation of the system 101 is large, thereby controlling the amount of the refrigerant participating in the circulation under different modes according to needs and further improving the heat exchange efficiency of the refrigerant circulating system 101.
The controller is connected with the four-way valve 2, the three-way valve 7, the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9 and the third refrigerant quantity adjusting valve 10 respectively and used for sending out control instructions according to the operation mode.
Specifically, the controller sends a control command according to the operation mode to control the open or close states of the four-way valve 2, the three-way valve 7, the first refrigerant quantity adjusting valve 8, the second refrigerant quantity adjusting valve 9, and the third refrigerant quantity adjusting valve 10, and further control the flow direction and the flow rate of the refrigerant, so that the refrigerant circulation system 101 operates in the reheating dehumidification, cooling, heating or other modes.
In the refrigerant circulation system 101 of the embodiment of the present invention, the indoor heat exchanger portion is configured to include the first indoor heat exchanger 4 and the second indoor heat exchanger 5, so that the problems of temperature reduction, constant temperature dehumidification, temperature rise dehumidification, and the like in the reheating dehumidification mode can be solved. Through increasing high-pressure reservoir 6 to set up high-pressure reservoir 6 in the necessary passageway of refrigerant circulation, can be used to under modes such as reheat dehumidification, heating or refrigeration, to the unnecessary refrigerant of demand storage of refrigerant volume when circulating according to system 101, with satisfy the demand to the refrigerant volume under the different modes, thereby promote refrigerant circulation system 101's heat exchange efficiency.
In some embodiments of the present invention, as shown in fig. 2, a schematic diagram of the refrigerant circulation directions in the reheat dehumidification mode and the cooling mode according to an embodiment of the present invention is shown, in the reheat dehumidification mode, the D port and the C port of the four-way valve 2 are connected, the three-way valve 7 is fully opened, the second refrigerant amount adjusting valve 9 is fully opened, and the controller adjusts the opening degrees of the first refrigerant amount adjusting valve 8 and the third refrigerant amount adjusting valve 10 according to the room outlet temperature.
Specifically, the three-way valve 7 is fully opened, the refrigerant discharged from the compressor 1 is divided into two paths, and one path of refrigerant flows out from the second port of the three-way valve 7, flows into the D port of the four-way valve 2, flows out from the C port of the four-way valve 2, and flows through the outdoor heat exchanger 3 and the high-pressure liquid reservoir 6 to reach the second refrigerant quantity adjusting valve 9. The other refrigerant flows out of the third port of the three-way valve 7, flows through the first refrigerant quantity regulating valve 8 and reaches the first indoor heat exchanger 4. The two paths of refrigerants are converged before entering the third refrigerant quantity regulating valve 10, flow into the second indoor heat exchanger 5 after passing through the third refrigerant regulating valve 10, enter the four-way valve 2 through the port E of the four-way valve 2, flow out of the port S, and finally return to the compressor 10. When the air conditioner operates in a reheating dehumidification mode, the refrigerating capacity is reduced, the demand of the indoor unit for the refrigerant is reduced, the controller adjusts the opening degrees of the first refrigerant quantity adjusting valve 8 and the third refrigerant quantity adjusting valve 10 according to the indoor outlet temperature, and redundant refrigerant in the system 101 can be stored in the high-pressure liquid storage device 6 and does not participate in refrigerant circulation.
In the refrigerant circulation system 101 of the embodiment of the utility model, the indoor heat exchanger part is arranged to comprise the first indoor heat exchanger 4 and the second indoor heat exchanger 5, namely the indoor heat exchangers are separated, so that the problems of temperature reduction, constant temperature dehumidification, temperature rise dehumidification and the like are solved, and the redundant refrigerant can be stored by adding the high-pressure liquid storage device 6 so as to meet the demand on the refrigerant quantity in the reheating dehumidification mode.
In some embodiments of the present invention, as shown in fig. 1, in the cooling mode, the D port and the C port of the four-way valve 2 are communicated, the third port of the three-way valve 7 is closed, the first refrigerant amount adjusting valve 8 is closed, and the controller adjusts the opening degrees of the second refrigerant amount adjusting valve 9 and the third refrigerant amount adjusting valve 10 according to the room outlet temperature.
Specifically, when the third port of the three-way valve 7 is controlled to be closed and the first refrigerant amount adjusting valve 8 is controlled to be closed, the refrigerant discharged from the discharge port of the compressor 1 does not flow through the three-way valve 7, the first refrigerant amount adjusting valve 8 and the first indoor heat exchanger 4. After being discharged from an exhaust port of the compressor 1, the refrigerant flows into the three-way valve 7 through a first interface of the three-way valve 7, flows out only from a second interface of the three-way valve 7, flows into a D port of the four-way valve 2, flows out from a C port of the four-way valve 2, flows through the outdoor heat exchanger 3 and the high-pressure liquid reservoir 6, flows through the second refrigerant quantity adjusting valve 9 and the third refrigerant quantity adjusting valve 10, reaches the second indoor heat exchanger 5, exchanges heat in the second indoor heat exchanger 5, then enters the four-way valve 2 through an E port of the four-way valve 2, flows out from an S port, and finally returns to the compressor 10. In the cooling mode, the first indoor heat exchanger 4 does not operate, and only the second indoor heat exchanger 5 operates, that is, only half of the indoor heat exchangers participate in the operation of the refrigerant cycle system 101.
In the refrigerant circulation system 101 of the embodiment of the utility model, when the air conditioner operates in the refrigeration mode, the controller controls the third interface of the three-way valve 7 and the first refrigerant quantity regulating valve 8 to be closed, the first indoor heat exchanger 4 does not participate in the work of the whole system 101, and the demand of the indoor unit for the refrigerant becomes small, so that the redundant refrigerant in the system 101 can be stored in the high-pressure liquid storage device 6 and does not participate in the refrigerant circulation, thereby meeting the demand of the refrigerant circulation system 101 for the refrigerant quantity in the refrigeration mode.
In some embodiments of the present invention, as shown in fig. 3, a refrigerant circulation direction diagram in a heating mode according to an embodiment of the present invention is shown, wherein in the heating mode, the D port of the four-way valve 2 is communicated with the E port, the three-way valve 7 is fully opened, the first refrigerant quantity adjusting valve 8 and the third refrigerant quantity adjusting valve 10 are fully opened, and the controller adjusts the opening degree of the second refrigerant quantity adjusting valve according to the indoor outlet temperature.
Specifically, the three-way valve 7 is controlled to be fully opened, and the first refrigerant quantity regulating valve 8 and the third refrigerant quantity regulating valve 10 are controlled to be fully opened, which is equivalent to that the first indoor heat exchanger 4 and the second indoor heat exchanger 5 are connected in parallel, the refrigerant discharged from the compressor 1 is divided into two paths, one path of refrigerant flows out from the second interface of the three-way valve 7, flows into the D port of the four-way valve 2, flows out from the E port of the four-way valve 2, flows through the second indoor heat exchanger 5 to reach the third refrigerant quantity regulating valve 10, and the other path of refrigerant flows out from the third interface of the three-way valve 7, flows through the first refrigerant regulating valve 8 to reach the first indoor heat exchanger 4, and flows out from the other end of the first indoor heat exchanger 4. The two paths of refrigerants are converged before reaching the second refrigerant quantity regulating valve 9, flow through the high-pressure liquid storage device 6 and the outdoor heat exchanger 3 after being throttled by the second refrigerant quantity regulating valve 9, flow out of the outdoor heat exchanger 3, enter the four-way valve 2 through the port C of the four-way valve 2, flow out of the port S and finally return to the compressor 10.
In the refrigerant circulation system 101 of the embodiment of the utility model, when the air conditioner operates in the heating mode, the controller controls the three-way valve 7, the first refrigerant quantity regulating valve 8 and the third refrigerant quantity regulating valve 10 to be fully opened, the first indoor heat exchanger 4 and the second indoor heat exchanger 5 both participate in refrigerant circulation, the demand of the indoor unit for the refrigerant is large, and the refrigerants stored in the high-pressure liquid reservoir 6 can all participate in the refrigerant circulation of the refrigerant circulation system 101, so that the heat exchange efficiency is improved.
In some embodiments of the present invention, as shown in fig. 4, a block diagram of an air conditioner according to a regulation of the present invention is shown, wherein the air conditioner 100 includes the refrigerant circulation system 101 of any one of the above embodiments.
According to the air conditioner 100 of the embodiment of the utility model, the refrigerant circulation system 101 of any one of the above embodiments is applied to the air conditioner 100, and the high-pressure liquid reservoir 4 is arranged in the refrigerant circulation system 101 to meet the requirements of the air conditioner 100 on the refrigerant quantity in different modes, so that the problems of temperature reduction, constant temperature dehumidification, temperature rise dehumidification and the like can be effectively solved when the air conditioner 100 operates in a reheating dehumidification mode, and the heat exchange efficiency of an indoor unit can be improved and the performance of the air conditioner 100 can be improved when the air conditioner 100 operates in a refrigeration mode or a heating mode.
In some embodiments of the present invention, as shown in fig. 5, which is a block diagram of an apparatus according to one embodiment of the present invention, the apparatus 1000 includes the air conditioner 100 of the above second aspect, and the apparatus 1000 may include an apparatus such as a vehicle or a ship.
According to the apparatus 1000 of the present invention, when the air conditioner 100 of the second aspect of the embodiment is applied to the apparatus 1000, the air conditioner 100 can be controlled to operate the cooling, heating or reheating dehumidification modes when the apparatus 1000 has a cooling, heating or dehumidification demand. And the high-pressure liquid reservoir 6 is added in the refrigerant circulating system 101 of the air conditioner 100 to meet the requirements of the air conditioner 100 on the refrigerant quantity in different modes, so that the overall performance of the equipment 1000 is improved, and the use feeling of a user is improved.
Other constructions and operations of the air conditioner 100 and the apparatus 1000 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A refrigerant circulation system, comprising:
the system comprises a compressor, a four-way valve, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a high-pressure liquid storage device, a three-way valve, a first refrigerant quantity regulating valve, a second refrigerant quantity regulating valve and a third refrigerant quantity regulating valve;
an air outlet of the compressor is connected with a first interface of the three-way valve, a second interface of the three-way valve is connected with a D port of the four-way valve, a third interface of the three-way valve is connected with one end of the first indoor heat exchanger, the first refrigerant quantity regulating valve is arranged between the third interface of the three-way valve and one end of the first indoor heat exchanger, an S port of the four-way valve is connected with an air return port of the compressor, a C port of the four-way valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the high-pressure liquid reservoir, the other end of the high-pressure liquid reservoir is connected with one end of the third refrigerant quantity regulating valve through the second refrigerant quantity regulating valve, the other end of the first indoor heat exchanger is connected with one end of the third refrigerant quantity regulating valve, and the other end of the third refrigerant quantity regulating valve is connected with one end of the second indoor heat exchanger, the other end of the second indoor heat exchanger is connected with an E port of the four-way valve;
and the controller is respectively connected with the four-way valve, the three-way valve, the first refrigerant quantity regulating valve, the second refrigerant quantity regulating valve and the third refrigerant quantity regulating valve and is used for sending a control instruction according to an operation mode.
2. The refrigerant circulation system as claimed in claim 1,
and in the reheating dehumidification mode, a port D of the four-way valve is communicated with a port C, the three-way valve is fully opened, the second refrigerant quantity regulating valve is fully opened, and the controller regulates the opening degrees of the first refrigerant quantity regulating valve and the third refrigerant quantity regulating valve according to the indoor outlet temperature.
3. The refrigerant circulation system as claimed in claim 1,
and in a refrigeration mode, a port D of the four-way valve is communicated with a port C, a third interface of the three-way valve is closed, the first refrigerant quantity regulating valve is closed, and the controller regulates the opening degrees of the second refrigerant quantity regulating valve and the third refrigerant quantity regulating valve according to the temperature of an indoor outlet.
4. The refrigerant circulation system as claimed in claim 1,
when in a heating mode, a D port of the four-way valve is communicated with an E port, the three-way valve is fully opened, the first refrigerant quantity adjusting valve and the third refrigerant quantity adjusting valve are fully opened, and the controller adjusts the opening degree of the second refrigerant quantity adjusting valve according to the indoor outlet temperature.
5. The refrigerant cycle system as claimed in any one of claims 1 to 4, wherein the first refrigerant amount adjusting valve, the second refrigerant amount adjusting valve and the third refrigerant amount adjusting valve are electronic expansion valves.
6. An air conditioner, characterized in that it comprises the refrigerant circulation system as claimed in any one of claims 1 to 5.
7. An apparatus characterized by comprising the air conditioner of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875975.0U CN215336708U (en) | 2021-08-11 | 2021-08-11 | Refrigerant circulation system, air conditioner and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875975.0U CN215336708U (en) | 2021-08-11 | 2021-08-11 | Refrigerant circulation system, air conditioner and equipment |
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| CN215336708U true CN215336708U (en) | 2021-12-28 |
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|---|---|---|---|
| CN202121875975.0U Active CN215336708U (en) | 2021-08-11 | 2021-08-11 | Refrigerant circulation system, air conditioner and equipment |
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| Country | Link |
|---|---|
| CN (1) | CN215336708U (en) |
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2021
- 2021-08-11 CN CN202121875975.0U patent/CN215336708U/en active Active
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