CN211119742U - Air conditioning system with fresh air dehumidification function and air conditioner - Google Patents
Air conditioning system with fresh air dehumidification function and air conditioner Download PDFInfo
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- CN211119742U CN211119742U CN201922013636.0U CN201922013636U CN211119742U CN 211119742 U CN211119742 U CN 211119742U CN 201922013636 U CN201922013636 U CN 201922013636U CN 211119742 U CN211119742 U CN 211119742U
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Abstract
The utility model provides an air conditioning system, air conditioner with new trend dehumidification function. The air conditioning system comprises a compressor, a first heat exchanger, a flow divider, a first throttling element, a second heat exchanger, a flow collector, a second throttling element and a third heat exchanger, wherein the flow divider is provided with a first main pipe, a first branch pipe and a second branch pipe, the flow collector is provided with a second main pipe, a third branch pipe and a fourth branch pipe, the first heat exchanger is connected between an exhaust port of the compressor and the first main pipe through a pipeline, the first throttling element and the second heat exchanger are sequentially connected between the first branch pipe and the third branch pipe, the second throttling element and the third heat exchanger are sequentially connected between the second branch pipe and the fourth branch pipe, and the second main pipe is connected with an air suction port of the compressor. The utility model discloses well temperature regulation subsystem and humidity control subsystem sharing compressor to make air conditioning system structural design simple compactness more, manufacturing cost are lower.
Description
Technical Field
The utility model belongs to the technical field of air conditioning, concretely relates to air conditioning system, air conditioner with new trend dehumidification function.
Background
With the continuous improvement of the living standard of people, people pay more attention to the living quality, and especially the requirement on the air quality of the indoor environment is higher and higher. In order to meet the requirements of people, in the prior art, air purification equipment and a fresh air system are adopted, or how to adopt an air conditioner with a fresh air inlet system or an air conditioner with a fresh air dehumidification function, and for the air conditioner with the fresh air dehumidification function, two compressors are adopted to compress refrigerants in a temperature regulation system and a humidity regulation system respectively so as to form corresponding temperature regulation circulation or humidity regulation circulation, so that the air conditioner is relatively complex in structural design and relatively high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is to provide an air conditioning system, air conditioner with new trend dehumidification function, compressor of temperature regulation subsystem and humidity control subsystem sharing to make air conditioning system structural design simple compactness more, manufacturing cost lower.
In order to solve the problem, the utility model provides an air conditioning system with new trend dehumidification function, including compressor, first heat exchanger, shunt, first throttling element, second heat exchanger, collector, second throttling element, third heat exchanger, wherein the shunt has first house steward, first minute pipe, second minute pipe, the collector has second house steward, third minute pipe, fourth minute pipe, first heat exchanger tube coupling in the gas vent of compressor with on the pipeline between the first house steward, first throttling element, second heat exchanger in proper order tube coupling in first minute pipe with between the third minute pipe, second throttling element, third heat exchanger in proper order tube coupling in the second minute pipe with between the fourth minute pipe, the second house steward with the induction port tube coupling of compressor.
Preferably, the first throttling element and/or the second throttling element is an electronic expansion valve or a capillary tube.
Preferably, a first stop valve is further arranged on a pipeline between the first branch pipe and the first throttling element; and/or a second stop valve is further arranged on a pipeline between the second branch pipe and the second throttling element.
Preferably, a gas-liquid separator is further arranged on a pipeline between the suction port and the second main pipe.
Preferably, the compressor is an inverter compressor.
The utility model also provides an air conditioner, the air conditioner includes foretell air conditioning system who has new trend dehumidification function.
Preferably, the air conditioner further comprises a fresh air dehumidification channel shell, the third heat exchanger is arranged in the fresh air dehumidification channel shell, and a heating assembly is arranged at the downstream of the outlet air flow of the third heat exchanger; and/or a damper is arranged at the downstream of the outlet air flow of the third heat exchanger.
Preferably, a filter element is arranged upstream of the inlet airflow of the third heat exchanger; and/or a fresh air inlet fan is arranged at the upstream of the inlet airflow of the third heat exchanger.
The utility model provides a pair of air conditioning system, air conditioner with new trend dehumidification function, the refrigerant circulation that compressor, first heat exchanger, shunt, first throttling element, second heat exchanger, collector formed constitutes temperature regulation subsystem, the refrigerant circulation that compressor, first heat exchanger, shunt, second throttling element, third heat exchanger, collector formed constitutes humidity control subsystem, and a compressor of temperature regulation subsystem and humidity control subsystem sharing to make air conditioning system's structural design more simplify, structural compacter, and owing to adopt a compressor less than in the prior art, consequently, also obtain reducing on air conditioning system's manufacturing cost.
Drawings
Fig. 1 is a schematic diagram of an air conditioning system with fresh air dehumidification function according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of an air conditioner according to another embodiment of the present invention.
The reference numerals are represented as:
1. a compressor; 2. a first heat exchanger; 3. a flow divider; 41. a first throttling element; 42. a second heat exchanger; 43. a first shut-off valve; 5. a current collector; 61. a second throttling element; 62. a third heat exchanger; 63. a second stop valve; 64. a heating assembly; 7. a gas-liquid separator; 101. fresh air dehumidification channel casing.
Detailed Description
Referring to fig. 1 to 2 in combination, according to an embodiment of the present invention, there is provided an air conditioning system with fresh air dehumidifying function, including a compressor 1, a first heat exchanger 2, a flow divider 3, a first throttling element 41, a second heat exchanger 42, a flow collector 5, a second throttling element 61, and a third heat exchanger 62, wherein the flow divider 3 has a first main pipe, a first branch pipe, and a second branch pipe, the flow collector 5 has a second main pipe, a third branch pipe, and a fourth branch pipe, the first heat exchanger 2 is connected to a pipeline between an exhaust port of the compressor 1 and the first main pipe, the first throttling element 41 and the second heat exchanger 42 are connected to a pipeline between the first branch pipe and the third branch pipe in turn, the second throttling element 61 and the third heat exchanger 62 are connected to a pipeline between the second branch pipe and the fourth branch pipe in turn, the second header pipe is connected to a suction port pipe of the compressor 1. In the technical scheme, a temperature regulation subsystem is formed by refrigerant circulation formed by the compressor 1, the first heat exchanger 2, the flow divider 3, the first throttling element 41, the second heat exchanger 42 and the flow collector 5, a humidity regulation subsystem is formed by refrigerant circulation formed by the compressor 1, the first heat exchanger 2, the flow divider 3, the second throttling element 61, the third heat exchanger 62 and the flow collector 5, and the temperature regulation subsystem and the humidity regulation subsystem share one compressor, so that the structural design of the air conditioning system is simplified, the structure is more compact, and the manufacturing cost of the air conditioning system is reduced because one compressor is less than that in the prior art.
The first throttling element 41 and/or the second throttling element 61 may be a capillary tube, or may be an electronic expansion valve or a capillary tube. The electronic expansion valve can control the circulation flow of the refrigerant in the corresponding subsystem by controlling the opening (step number) of the electronic expansion valve. Further, when the first throttling element 41 and/or the second throttling element 61 do not adopt an electronic expansion valve, a first stop valve 43 is arranged on a pipeline between the first branch pipe and the first throttling element 41; and/or, a second stop valve 63 is arranged on a pipeline between the second branch pipe and the second throttling element 61 to control the circulation flow of the refrigerant in different subsystems, and the mode is particularly suitable for the rectification of the existing air conditioning system or the air conditioner, so that the existing air conditioning system is rectified and utilized again, and the purchase cost is reduced.
In order to prevent or reduce the suction entrainment at the suction port of the compressor, a gas-liquid separator 7 is preferably further arranged on the pipeline between the suction port and the second header pipe.
Preferably, the compressor adopts a variable frequency compressor, so that the air conditioning system can adapt to different loads and working conditions to be flexibly adjusted.
A preferred embodiment of the present invention is shown in fig. 1, in which it can be seen that the temperature regulation subsystem (refrigeration system) and the humidity regulation subsystem share one compressor 1, a first heat exchanger 2, a flow divider 3 and a flow collector 5, wherein the flow divider 3 and the flow collector 5 are conventional and commercially available components. In this case, the air conditioning system of the present application has a plurality of different operation modes, for example:
and (3) a refrigeration and dehumidification synchronous operation mode: at this time, the exhaust gas of the compressor 1 enters the flow divider 3 through the first heat exchanger 2 and is divided into two paths, one path flows to the first throttling element 41 through the first flow divider and enters the second heat exchanger 42 for heat exchange and refrigeration, and then returns to the air suction port of the compressor 1 through the third flow divider of the current collector 5, so that a refrigeration cycle, namely a temperature regulation subsystem is formed to realize a refrigeration function; meanwhile, the other path flows to the second throttling element 61 through the second branch pipe and enters the third heat exchanger 62 for heat exchange and refrigeration, and then returns to the suction port of the compressor 1 through the fourth branch pipe of the current collector 5, so that a dehumidification cycle is formed, namely, the humidity adjusting subsystem realizes the condensation and dehumidification functions. It will be appreciated that the third heat exchanger 62 will now be placed in the path of the fresh air intake to dehumidify the fresh air. It is further understood that when the first and second stop valves 43, 63 are provided in the system, the first and second stop valves 43, 63 should be in an open state.
Cooling only mode: the humidity conditioning subsystem will now stop running while the temperature conditioning subsystem is running normally. Specifically, the exhaust gas of the compressor 1 enters the first branch pipe of the flow divider 3 through the first heat exchanger 2, flows to the first throttling element 41, enters the second heat exchanger 42 for heat exchange and refrigeration, and then returns to the suction port of the compressor 1 through the third branch pipe of the collector 5, so that a refrigeration cycle, that is, a temperature regulation subsystem is formed to realize a refrigeration function. It will be further understood that when the first and second cut-off valves 43, 63 are provided in the system, the first cut-off valve 43 should be in an open state and the second cut-off valve 63 should be in a closed state.
Single dehumidification mode: the temperature conditioning subsystem will now stop running and the humidity conditioning subsystem will run normally. Specifically, the exhaust gas of the compressor 1 enters the second branch pipe of the flow divider 3 through the first heat exchanger 2, flows to the second throttling element 61, enters the third heat exchanger 63 for heat exchange and refrigeration, and then returns to the air suction port of the compressor 1 through the fourth branch pipe of the flow collector 5, so that a condensation dehumidification cycle, namely a humidity regulation subsystem is formed to realize a dehumidification function. It will be further understood that when the first and second cut-off valves 43, 63 are provided in the system, the second cut-off valve 63 should be in an open state and the first cut-off valve 43 should be in a closed state.
And air conditioning system is corresponding, the utility model also provides an air conditioner, the air conditioner includes foretell air conditioning system who has new trend dehumidification function. Specifically, the air conditioner further includes a fresh air dehumidification channel casing 101, the third heat exchanger 62 is disposed in the fresh air dehumidification channel casing 101, and a heating assembly 64 (for example, a PTC heating module) is disposed downstream of an outlet airflow of the third heat exchanger 62; and/or, be equipped with the air door (not shown in the figure) in the low reaches of the air-out air current of third heat exchanger 62, heating element 64 can carry out certain degree of intensification to the new trend temperature after the dehumidification, prevents that the new trend temperature that gets into is crossed lowly and brings the discomfort for indoor user, the air door is in the open mode at new trend dehumidification operation in-process, then is in the closed condition when not operating, can prevent to lead to indoor outer lining up when need not to introduce the new trend from this.
Preferably, a filter element (for example, a filter screen, not shown) is disposed upstream of the intake airflow of the third heat exchanger 62 to perform necessary filtering cleaning on the fresh air; and/or, a fresh air intake fan (not shown) is arranged at the upstream of the intake air flow of the third heat exchanger 62 to improve the control of the fresh air intake.
The utility model also provides a control method of air conditioner for control foretell air conditioner, the compressor is inverter compressor, including following step:
obtaining indoor side environment temperature Th (namely, indoor environment temperature sensor detection value);
comparing Th with a set temperature Ts (i.e., a programmed set temperature) of the air conditioner to obtain a difference △ T, i.e., △ T is Th-Ts;
the rotation speed of the compressor is controlled according to the △ T.
Specifically, when △ T is higher than a first set threshold value, the rotating speed of the compressor is controlled to be at a first operating frequency, the temperature difference between the detection value of the indoor environment temperature sensor and the program set temperature is large, for example, △ T is more than 5 ℃, the variable frequency compressor runs high frequency, for example, the variable frequency compressor runs at 80Hz, the flow rate of the refrigerant of the two systems is accelerated, the mass flow is increased, the heat exchange capacity of the temperature adjusting subsystem and the humidity adjusting subsystem is maximized, the temperature of the two systems can be reduced and dehumidified at the fastest speed, and the problem that when the two systems are simultaneously opened by using the fixed frequency compressor, the refrigerating capacity of the temperature adjusting system is reduced due to the fact that the refrigerant is shunted, and the temperature.
When △ T is higher than a second set threshold and not higher than a first set threshold, controlling the rotation speed of the compressor to be at a second operation frequency, wherein the temperature difference between the detection value of the indoor loop temperature sensor and the program set temperature is slightly larger, for example, 5 ℃ is more than or equal to △ T and more than 3 ℃, the variable frequency compressor runs at a medium and high frequency, for example, the variable frequency compressor runs at a medium speed of 50Hz or 40Hz, the flow rate of the refrigerant of the two systems is moderate, the mass flow is moderate, the heat exchange quantity of the temperature regulating system and the dehumidifying system is at a medium level, and the temperature can be reduced and
after the double systems operate for a period of time, the temperature difference between the detection value of the indoor environment temperature sensor and the temperature set by the program is smaller, for example, △ T is close to 0 ℃, at the moment, the cold quantity required by the temperature regulating system is low, the variable frequency compressor can run at low frequency to maintain the low-load requirement, for example, the variable frequency compressor operates at low speed of 10Hz or 20Hz, the flow rate of the refrigerant of the double systems is low, the mass flow is low, the heat exchange quantity of the temperature regulating system and the dehumidifying system is at the low-load operation level, at the moment, the power of the compressor is very low, and the low cold quantity requirement is maintained in the most economical operation mode.
It will be appreciated that the aforementioned first operating frequency > second operating frequency > third operating frequency.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An air conditioning system with fresh air dehumidification function is characterized by comprising a compressor (1), a first heat exchanger (2), a flow divider (3), a first throttling element (41), a second heat exchanger (42), a flow collector (5), a second throttling element (61) and a third heat exchanger (62), wherein the flow divider (3) is provided with a first main pipe, a first branch pipe and a second branch pipe, the flow collector (5) is provided with a second main pipe, a third branch pipe and a fourth branch pipe, the first heat exchanger (2) is connected to a pipeline between an exhaust port of the compressor (1) and the first main pipe in a pipeline connection mode, the first throttling element (41) and the second heat exchanger (42) are connected between the first branch pipe and the third branch pipe in a pipeline connection mode, the second throttling element (61) and the third heat exchanger (62) are connected between the second branch pipe and the fourth branch pipe in a pipeline connection mode, the second main pipe is connected with a suction port pipeline of the compressor (1).
2. Air conditioning system according to claim 1, characterized in that the first throttling element (41) and/or the second throttling element (61) is an electronic expansion valve or a capillary tube.
3. Air conditioning system according to claim 1, characterised in that a first shut-off valve (43) is also provided in the line between the first branch pipe and the first throttling element (41); and/or a second stop valve (63) is arranged on a pipeline between the second branch pipe and the second throttling element (61).
4. Air conditioning system according to claim 1, characterized in that a gas-liquid separator (7) is also provided in the line between the suction opening and the second manifold.
5. The air conditioning system of claim 1, wherein the compressor is an inverter compressor.
6. An air conditioner characterized in that the air conditioner comprises the air conditioning system with fresh air dehumidification function according to any one of claims 1 to 5.
7. The air conditioner according to claim 6, further comprising a fresh air dehumidification channel housing (101), wherein the third heat exchanger (62) is disposed in the fresh air dehumidification channel housing (101), and a heating assembly (64) is disposed downstream of an outlet airflow of the third heat exchanger (62); and/or a damper is arranged at the downstream of the outlet air flow of the third heat exchanger (62).
8. The air conditioner according to claim 7, wherein a filter element is provided upstream of the intake airflow of the third heat exchanger (62); and/or a fresh air inlet fan is arranged at the upstream of the inlet airflow of the third heat exchanger (62).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013636.0U CN211119742U (en) | 2019-11-20 | 2019-11-20 | Air conditioning system with fresh air dehumidification function and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922013636.0U CN211119742U (en) | 2019-11-20 | 2019-11-20 | Air conditioning system with fresh air dehumidification function and air conditioner |
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| CN211119742U true CN211119742U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848825A (en) * | 2019-11-20 | 2020-02-28 | 珠海格力电器股份有限公司 | Air conditioning system with fresh air dehumidification function, air conditioner and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848825A (en) * | 2019-11-20 | 2020-02-28 | 珠海格力电器股份有限公司 | Air conditioning system with fresh air dehumidification function, air conditioner and control method |
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