Integrated air conditioner with high refrigeration power

Abstract

An integrated air conditioner with high refrigeration power comprises a shell and a refrigeration assembly. An air inlet and an air outlet are formed in the shell; the refrigeration assembly is arranged in the shell and at least comprises a compressor, a heat exchanger and an evaporator; the refrigeration assembly further comprises a refrigerant pipeline and a liquid pipeline. The heat exchanger is composed of a plurality of heat exchange pipes, and each heat exchange pipe internally comprises a refrigerant channel and a liquid channel. The refrigerant channel in each heat exchange pipe is communicated with the interior of the refrigerant pipeline; the liquid channel in each heat exchange pipe is communicated with the interior of the liquid pipeline; the heat exchange tubes comprise a starting heat exchange tube, a tail heat exchange tube and a middle heat exchange tube; liquid enters the heat exchange tubes to absorb heat of a refrigerant so as to cool the refrigerant, the heat exchange efficiency of the heat exchanger can be effectively improved, the heat exchanger further comprises the starting heat exchange tube, the tail heat exchange tube, the middle heat exchange tubes and other heat exchange tubes, the heat exchange efficiency of the heat exchange tubes is further improved, and the heat exchange efficiency of the heat exchanger is improved. Therefore, the refrigeration efficiency of the air conditioner is effectively improved by adapting the power of the compressor.

Description

Technical Field

[0001] This utility model relates to the technical field of integrated air conditioners, specifically to an integrated air conditioner with high cooling power. Background Technology

[0002] An all-in-one air conditioner is a device used to regulate temperature. This device is suitable for equipment rooms of various mobile communication operators, research institutes, hospitals, enterprises and other units. With the continuous development of technology, the size of these all-in-one air conditioners is gradually shrinking, so they are no longer limited to commercial use. Some all-in-one air conditioners for home use have also begun to appear on the market.

[0003] The aforementioned integrated household air conditioners are mainly used in smaller spaces such as kitchens and bathrooms. Air conditioners used in kitchens are mainly used for cooling in the summer, and their main usage time is often less than half a year. Therefore, compared with fixed, non-removable wall-mounted air conditioners, integrated air conditioners are more flexible and can be moved according to the user's needs.

[0004] Chinese patent ZL202420881119.3 discloses: "An integrated air conditioner, comprising: a shell, the shell forming an indoor air intake zone and an indoor air supply zone; a fan volute, the fan volute being disposed within the installation space enclosed by the shell, the fan volute forming a receiving space, an air inlet zone, and an air outlet zone, the receiving space for accommodating an indoor fan, the air inlet zone and the air outlet zone being connected through the receiving space so that airflow entering through the indoor air intake zone and the air inlet zone is guided by the fan volute to the air outlet zone and the indoor air supply zone; and a liquid storage container, the liquid storage container for storing humidifying liquid, the liquid storage container being disposed on the bottom side of the fan volute, and the liquid inlet of the liquid storage container being connected to the receiving space so that liquid injected from the indoor air supply zone is guided by the fan volute to the liquid storage container. When it is necessary to replenish water to the liquid storage container, no additional operation of the container is required; water can be added directly from the indoor air supply zone to the shell, greatly facilitating the replenishment operation of the liquid storage container."

[0005] When including the solutions in the aforementioned patents, existing integrated air conditioners on the market all have a problem: because integrated air conditioners do not have an outdoor unit and are smaller in overall size than ordinary air conditioners, the space inside the air conditioner for heat exchange of refrigerant is very limited. In particular, as the cooling power requirements of integrated air conditioners continue to increase, the power of their internal compressors is also increasing. However, the heat exchange efficiency of the heat exchanger inside the existing air conditioner cannot keep up with the power of the compressor, resulting in the actual cooling efficiency of the air conditioner not being effectively improved. Summary of the Invention

[0006] In order to overcome the shortcomings of existing integrated air conditioners where the heat exchange efficiency of the internal heat exchanger cannot keep up with the compressor power, thus preventing the improvement of air conditioning cooling efficiency, this utility model provides an integrated air conditioner with high cooling power.

[0007] The technical solution of this utility model to solve its technical problem is: an integrated air conditioner with high cooling power, comprising:

[0008] The housing has an air inlet and an exhaust outlet.

[0009] A refrigeration assembly disposed within a housing and comprising at least a compressor, a heat exchanger, and an evaporator, wherein the evaporator is located inside the air inlet;

[0010] The refrigeration assembly also includes refrigerant pipelines and liquid pipelines. The compressor, heat exchanger, and evaporator are interconnected through refrigerant pipelines to achieve refrigerant circulation. The heat exchanger is connected to an external liquid source through liquid pipelines to achieve liquid circulation.

[0011] The heat exchanger consists of several heat exchange tubes, and each heat exchange tube includes a refrigerant channel and a liquid channel.

[0012] The refrigerant passages within each of the heat exchange tubes are connected to the refrigerant piping.

[0013] The liquid channels within each of the heat exchange tubes are connected to the liquid pipeline;

[0014] The heat exchange tubes include a starting heat exchange tube, a ending heat exchange tube, and several intermediate heat exchange tubes.

[0015] Furthermore, the intermediate heat exchange tube is at least one.

[0016] Furthermore, the refrigerant channel also includes a refrigerant inlet and a refrigerant outlet located on the heat exchange tube.

[0017] Furthermore, the refrigerant channel of the starting heat exchange tube is connected to the compressor through its refrigerant inlet, the refrigerant channel of the ending heat exchange tube is connected to the evaporator through its refrigerant outlet, and the refrigerant channel of the intermediate heat exchange tube is connected in series between the refrigerant outlet of the starting heat exchange tube and the refrigerant inlet of the ending heat exchange tube.

[0018] Furthermore, the liquid channel also includes an inlet and an outlet located on the heat exchange tube, and the liquid pipeline includes an inlet connector and an outlet connector for connecting to an external liquid source.

[0019] Furthermore, the liquid inlet of the end heat exchange tube is connected to the liquid inlet connector, the liquid outlet of the start heat exchange tube is connected to the liquid outlet connector, and the liquid channel of the intermediate heat exchange tube is connected in series between the liquid outlet of the end heat exchange tube and the liquid inlet of the start heat exchange tube.

[0020] Furthermore, an inlet valve and an inlet pump are also provided on the liquid pipeline between the inlet connector and the heat exchanger. The liquid pipeline connects to the heat exchanger after passing through the inlet valve and the inlet pump in sequence from the inlet connector.

[0021] Furthermore, the refrigeration assembly also includes a refrigerant valve, wherein the refrigerant valve is installed on the refrigerant pipeline between the heat exchanger and the evaporator, and the refrigerant valve can be configured as a solenoid valve or an expansion valve.

[0022] Furthermore, an air supply assembly is also provided inside the housing, which is used to send air from the air inlet to the air outlet, and the evaporator is located between the air inlet and the air supply assembly.

[0023] Furthermore, the housing consists of a rear shell and a front cover, with the air inlet located on the rear shell and the exhaust outlet located on the front cover.

[0024] The refrigeration process of this utility model:

[0025] The refrigerant used to cool the air circulates within the refrigeration unit. First, the gaseous refrigerant is pressurized and heated by the compressor. Then, the gaseous refrigerant enters the heat exchanger through the refrigerant pipeline. In the heat exchanger, the gaseous refrigerant exchanges heat and releases heat, turning into a liquid state. Then, the liquid refrigerant, after passing through the heat exchanger, enters the refrigerant valve through the refrigerant pipeline to be depressurized and cooled again. Finally, the low-temperature, low-pressure liquid refrigerant enters the evaporator through the refrigerant pipeline to absorb heat from the air at the air inlet of the air conditioner, thereby lowering the air temperature at the inlet. Finally, under the action of the air supply component, cold air is blown out from the exhaust port. The liquid refrigerant, after absorbing heat in the evaporator, turns back into a gaseous state and finally flows back to the compressor through the refrigerant pipeline.

[0026] In this utility model, the heat exchanger handles the heat exchange process of the refrigerant as follows:

[0027] The external liquid first enters the end heat exchange tube through the liquid pipeline, where it exchanges heat with the refrigerant that is about to leave the end heat exchange tube and enter the evaporator. After absorbing heat in the end heat exchange tube, the liquid then enters the middle heat exchange tube through the liquid pipeline to exchange heat with the refrigerant inside. Then, the refrigerant that has absorbed a lot of heat enters the beginning heat exchange tube through the liquid pipeline to absorb heat from the refrigerant that just entered the heat exchanger for pre-cooling. Finally, the liquid leaving the heat exchanger is discharged through the liquid pipeline.

[0028] The beneficial effects of this utility model are as follows:

[0029] 1. The heat exchanger consists of heat exchange tubes. It relies on the liquid entering the heat exchange tubes to absorb heat from the refrigerant in order to cool the refrigerant. This can effectively improve the heat exchange efficiency of the heat exchanger. It also includes multiple heat exchange tubes such as the starting heat exchange tube, the ending heat exchange tube, and the intermediate heat exchange tube, in order to further improve the heat exchange efficiency of the heat exchange tubes, thereby adapting to the power of the compressor and effectively improving the cooling efficiency of the air conditioner.

[0030] 2. The number of intermediate heat exchange tubes can be adjusted according to the power of the compressor. When the compressor power increases, the number of intermediate heat exchange tubes can be increased, and when the power decreases, the number of intermediate heat exchange tubes can be reduced, so that the heat exchanger can be adapted to compressors of various power.

[0031] 3. The refrigerant and liquid piping are designed to be simple and effective. In the heat exchanger, the refrigerant flows from the initial heat exchange tube to the final heat exchange tube, while the liquid flows from the final heat exchange tube to the initial heat exchange tube. This ensures that the liquid in the final heat exchange tube has the highest heat absorption efficiency, enabling it to efficiently absorb heat from the refrigerant that is about to go to the evaporator. Although the heat absorption efficiency of the liquid in the initial heat exchange tube has decreased, it can still pre-cool the refrigerant that has just entered the heat exchanger. Attached Figure Description

[0032] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention.

[0033] Figure 2 This is an exploded view of Embodiment 1 of this utility model.

[0034] Figure 3 This is a schematic diagram of the structure of the refrigeration component in Embodiment 1 of this utility model.

[0035] Figure 4 This is a schematic diagram of the refrigerant piping connection in the refrigeration component in Embodiment 1 of this utility model.

[0036] Figure 5 This is a schematic diagram of the connection of the liquid pipeline inside the refrigeration component in Embodiment 1 of this utility model.

[0037] Figure 6 This is a schematic diagram of the heat exchanger in Embodiment 1 of this utility model.

[0038] Figure 7 This is another structural schematic diagram of the heat exchanger in Embodiment 1 of this utility model.

[0039] Figure 8 This is a block diagram of the connection module of the refrigerant pipeline in the refrigeration component in Embodiment 1 of this utility model.

[0040] Figure 9 This is a block diagram of the connection module of the liquid pipeline inside the refrigeration component in Embodiment 1 of this utility model.

[0041] Figure 10 This is a block diagram of the connection module of the refrigerant pipeline and liquid pipeline in the refrigeration component in Embodiment 2 of this utility model.

[0042] The diagram labels are as follows: 1. Shell; 2. Air inlet; 3. Exhaust outlet; 4. Refrigeration assembly; 5. Compressor; 6. Heat exchanger; 7. Evaporator; 8. Refrigerant piping; 9. Liquid piping; 10. Heat exchange tube; 11. Starting heat exchange tube; 12. Ending heat exchange tube; 13. Intermediate heat exchange tube; 14. Refrigerant inlet; 15. Refrigerant outlet; 16. Liquid inlet; 17. Liquid outlet; 18. Liquid inlet connector; 19. Liquid outlet connector; 20. Liquid inlet valve; 21. Liquid inlet pump; 22. Refrigerant valve; 23. Air supply assembly; 24. Rear shell; 25. Front cover. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0044] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0045] Example 1

[0046] Combination Figures 1 to 9 The diagram shows an integrated air conditioner with high cooling capacity, comprising a housing 1 and a refrigeration assembly 4. The housing 1 has an air inlet 2 and an exhaust outlet 3. The refrigeration assembly 4 is disposed within the housing 1 and includes at least a compressor 5, a heat exchanger 6, and an evaporator 7, wherein the evaporator 7 is located inside the air inlet 2. The refrigeration assembly 4 also includes a refrigerant pipeline 8 and a liquid pipeline 9. The compressor 5, heat exchanger 6, and evaporator 7 are interconnected via the refrigerant pipeline 8 to achieve refrigerant circulation. The heat exchanger 6 is connected to an external liquid source via the liquid pipeline 9 to achieve liquid circulation. The heat exchanger 6 is composed of several heat exchange tubes 10, each heat exchange tube 10 including a refrigerant channel and a liquid channel. The refrigerant channels in each heat exchange tube 10 are connected in series in the refrigerant pipeline 8. The liquid channels in each heat exchange tube 10 are connected in parallel or in series in the liquid pipeline 9. Each heat exchange tube 10 includes a starting heat exchange tube 11, an ending heat exchange tube 12, and an intermediate heat exchange tube 13.

[0047] Combination Figure 4 , Figure 6 , Figure 7 and Figure 8 As shown, in this embodiment, the refrigerant channel also includes a refrigerant inlet 14 and a refrigerant outlet 15 located on the heat exchange tube 10; the refrigerant channel of the starting heat exchange tube 11 is connected to the compressor 5 through its refrigerant inlet 14, the refrigerant channel of the ending heat exchange tube 12 is connected to the evaporator 7 through its refrigerant outlet 15, and the refrigerant channel of the intermediate heat exchange tube 13 is connected in series between the refrigerant outlet 15 of the starting heat exchange tube 11 and the refrigerant inlet 14 of the ending heat exchange tube 12.

[0048] Combination Figure 6 and Figure 7 As shown, in this embodiment, the liquid channel also includes an inlet 16 and an outlet 17 located on the heat exchange tube 10, and the liquid pipeline 9 includes an inlet connector 18 and an outlet connector 19 for connecting to an external liquid source.

[0049] Combination Figure 3 , Figure 5 and Figure 9 As shown, in this embodiment, the liquid inlet 16 of the end heat exchange tube 12 is connected to the liquid inlet connector 18, the liquid outlet 17 of the start heat exchange tube 11 is connected to the liquid outlet connector 19, and the liquid channel of the intermediate heat exchange tube 13 is connected in series between the liquid outlet 17 of the end heat exchange tube 12 and the liquid inlet 16 of the start heat exchange tube 11.

[0050] Combination Figure 3 , Figure 5 and Figure 9 As shown, in this embodiment, an inlet valve 20 and an inlet pump 21 are also provided on the liquid pipeline 9 between the liquid inlet connector 18 and the heat exchanger 6. The liquid pipeline is connected to the heat exchanger 6 after passing through the liquid inlet valve 20 and the liquid inlet pump 21 in sequence from the liquid inlet connector 18.

[0051] Combination Figure 3 , Figure 4 and Figure 8 As shown, in this embodiment, the refrigeration component 4 also includes a refrigerant valve 22. The refrigerant valve is installed on the refrigerant pipeline 8 between the heat exchanger 6 and the evaporator 7, and the refrigerant valve 22 can be configured as a solenoid valve or an expansion valve.

[0052] Among them, such as Figure 2 As shown in the figure, in this embodiment, the housing 1 is also provided with an air supply assembly 23, which is used to send the air at the air inlet 2 to the exhaust port 3, and the evaporator 7 is located between the air inlet 2 and the air supply assembly 23.

[0053] Among them, such as Figure 2As shown in the figure, in this embodiment, the housing 1 is composed of a rear housing 24 and a front cover 25. The air inlet 2 is opened on the rear housing 24, and the exhaust port 3 is opened on the front cover 25.

[0054] The cooling process in this embodiment:

[0055] The refrigerant used for cooling the air circulates within the refrigeration unit 4. First, the gaseous refrigerant is pressurized and heated by the compressor 5. Then, the gaseous refrigerant enters the heat exchanger 6 through the refrigerant pipe 8. The gaseous refrigerant exchanges heat in the heat exchanger 6 and releases heat to become liquid. Then, the liquid refrigerant that has passed through the heat exchanger 6 enters the expansion valve through the refrigerant pipe 8 to reduce its pressure and cool down again. Finally, the low-temperature and low-pressure liquid refrigerant enters the evaporator 7 through the refrigerant pipe 8 to absorb the heat of the air at the air inlet 2 of the air conditioner, thereby lowering the air temperature at the air inlet 2. Finally, under the action of the air supply unit 23, cold air is formed and blown out from the exhaust port 3. The liquid refrigerant absorbs heat in the evaporator 7 and will turn back into gaseous state and finally flow back to the compressor 5 through the refrigerant pipe 8.

[0056] The cooling process in this embodiment:

[0057] The refrigerant used for cooling the air circulates within the refrigeration unit 4. First, the gaseous refrigerant is pressurized and heated by the compressor 5. Then, the gaseous refrigerant enters the heat exchanger 6 through the refrigerant pipe 8. The gaseous refrigerant exchanges heat in the heat exchanger 6 and releases heat to become liquid. Then, the liquid refrigerant after passing through the heat exchanger 6 enters the refrigerant valve 22 through the refrigerant pipe 8 to reduce pressure and cool down again. Finally, the low-temperature and low-pressure liquid refrigerant enters the evaporator 7 through the refrigerant pipe 8 to absorb heat from the air at the air inlet 2 of the air conditioner, thereby lowering the air temperature at the air inlet 2. Finally, under the action of the air supply unit 23, cold air is formed and blown out from the exhaust port 3. The liquid refrigerant absorbs heat in the evaporator 7 and becomes gaseous again, eventually flowing back to the compressor 5 through the refrigerant pipe 8.

[0058] In this embodiment, the heat exchange process of the refrigerant by heat exchanger 6 is as follows:

[0059] The external liquid first enters the end heat exchange tube 12 through the liquid pipe 9, where it exchanges heat with the refrigerant that is about to leave the end heat exchange tube 12 and enter the evaporator 7. After absorbing heat in the end heat exchange tube 12, the liquid then enters the intermediate heat exchange tube 13 through the liquid pipe 9 to exchange heat with the refrigerant therein. Then, the refrigerant that has absorbed a lot of heat enters the starting heat exchange tube 11 through the liquid pipe 9 to absorb heat from the refrigerant that just entered the heat exchanger 6 to achieve pre-cooling. Finally, the liquid leaving the heat exchanger 6 is discharged through the liquid pipe 9.

[0060] The advantage of this embodiment is that the heat exchanger is set up as a heat exchange tube that absorbs heat from the refrigerant through liquid, and it is equipped with multiple heat exchange tubes such as the starting heat exchange tube, the ending heat exchange tube, and the intermediate heat exchange tube, so that the heat exchanger can better keep up with the power of the compressor and effectively improve the overall cooling power of the air conditioner.

[0061] Example 2

[0062] Combination Figure 10 As shown, the main difference between this embodiment and the first embodiment described above is that:

[0063] In this embodiment, the heat exchanger 6 may be provided with two intermediate heat exchange tubes 13, and the refrigerant channels of the two intermediate heat exchange tubes 13 are connected in series between the refrigerant outlet 15 of the starting heat exchange tube 11 and the refrigerant inlet 14 of the ending heat exchange tube 12. The liquid channels of the two intermediate heat exchange tubes 13 are connected in series between the liquid outlet 17 of the ending heat exchange tube 12 and the liquid inlet 16 of the starting heat exchange tube 11.

[0064] In this embodiment, in addition to the two intermediate heat exchange tubes 13, three, four or more heat exchange tubes 10 can also be provided.

[0065] In this embodiment, the number of intermediate heat exchange tubes 13 can be selected based on the power required to match the compressor 5, thereby ensuring that the power of the compressor 5 can be matched without wasting the internal space of the housing 1.

[0066] The remaining structures, methods, and advantages of this embodiment are consistent with those of Embodiment 1 above, and will not be repeated here.

[0067] The above specific embodiments are merely explanations of the present utility model and are not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to the embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of the present utility model.

Claims

1. An integrated air conditioner with high cooling capacity, comprising: The housing (1) is provided with an air inlet (2) and an exhaust outlet (3); A refrigeration assembly (4) is disposed within a housing (1) and includes at least a compressor (5), a heat exchanger (6) and an evaporator (7), wherein the evaporator (7) is located inside the air inlet (2); The refrigeration component (4) also includes a refrigerant pipeline (8) and a liquid pipeline (9). The compressor (5), heat exchanger (6) and evaporator (7) are interconnected through the refrigerant pipeline (8) to achieve refrigerant circulation. The heat exchanger (6) is connected to an external liquid source through the liquid pipeline (9) to achieve liquid circulation. Its features are: The heat exchanger (6) is composed of several heat exchange tubes (10), and each heat exchange tube (10) includes a refrigerant channel and a liquid channel. The refrigerant passages in each of the heat exchange tubes (10) are connected to the refrigerant pipeline (8); The liquid channels in each of the heat exchange tubes (10) are connected to the liquid pipeline (9); The heat exchange tube (10) includes a starting heat exchange tube (11), a ending heat exchange tube (12), and several intermediate heat exchange tubes (13).

2. The integrated air conditioner with high refrigeration power according to claim 1, characterized in that: The intermediate heat exchange tube (13) has at least one.

3. The integrated air conditioner with high refrigeration power according to claim 1, characterized in that: The refrigerant channel also includes a refrigerant inlet (14) and a refrigerant outlet (15) located on the heat exchange tube (10).

4. The integrated air conditioner with high refrigeration power according to claim 3, characterized in that: The refrigerant passage of the starting heat exchange tube (11) is connected to the compressor (5) through its refrigerant inlet (14), the refrigerant passage of the ending heat exchange tube (12) is connected to the evaporator (7) through its refrigerant outlet (15), and the refrigerant passage of the intermediate heat exchange tube (13) is connected in series between the refrigerant outlet (15) of the starting heat exchange tube (11) and the refrigerant inlet (14) of the ending heat exchange tube (12).

5. The integrated air conditioner having high refrigeration power according to claim 1, wherein: The liquid channel also includes an inlet (16) and an outlet (17) located on the heat exchange tube (10), and the liquid pipeline (9) includes an inlet connector (18) and an outlet connector (19) for connecting to an external liquid source.

6. The integrated air conditioner with high refrigeration power according to claim 5, characterized in that: The liquid inlet (16) of the end heat exchange tube (12) is connected to the liquid inlet connector (18), the liquid outlet (17) of the start heat exchange tube (11) is connected to the liquid outlet connector (19), and the liquid channel of the intermediate heat exchange tube (13) is connected in series between the liquid outlet (17) of the end heat exchange tube (12) and the liquid inlet (16) of the start heat exchange tube (11).

7. The integrated air conditioner having high refrigerating power according to claim 5, wherein: The liquid pipeline (9) between the liquid inlet connector (18) and the heat exchanger (6) is also equipped with a liquid inlet valve (20) and a liquid inlet pump (21). The liquid pipeline is connected to the heat exchanger (6) after passing through the liquid inlet valve (20) and the liquid inlet pump (21) in sequence from the liquid inlet connector (18).

8. The integrated air conditioner having high refrigerating power according to claim 1, wherein: The refrigeration assembly (4) also includes a refrigerant valve (22), which is installed on the refrigerant pipeline (8) between the heat exchanger (6) and the evaporator (7), and the refrigerant valve (22) can be configured as a solenoid valve or an expansion valve.

9. The integrated air conditioner having high refrigerating power according to claim 1, wherein: The shell (1) is further provided with a air feeding assembly (23) for feeding air at the air inlet (2) to the air outlet (3), and the evaporator (7) is located between the air inlet (2) and the air feeding assembly (23).

10. The integrated air conditioner having high refrigeration power according to claim 1, wherein: The shell (1) is composed of a rear shell (24) and a front cover (25), the air inlet (2) is formed on the rear shell (24), and the air outlet (3) is formed on the front cover (25).

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