Dehumidifier with low thermal load

By designing internal and external circulation chambers and rationally arranging the condenser, the problem of traditional dehumidifiers increasing indoor heat load has been solved, achieving efficient dehumidification without increasing indoor heat load.

CN223525245UActive Publication Date: 2025-11-07DIBANGSHI COOLING TECH SUZHOU CO LTD
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Patent Information

Application Number
CN202422827207.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-07
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

In traditional dehumidifier designs, the heat emitted by the condenser increases the indoor heat load, affecting comfort and energy efficiency.

Method used

The design employs an internal and external circulation chamber, which isolates the internal and external circulation airflow through a partition. The external circulation condenser is placed in the external circulation chamber to dissipate heat to the outside, while the internal circulation condenser is used to reduce the relative humidity of the internal circulation airflow.

Benefits of technology

It improves dehumidification efficiency, reduces the heat load on the indoor environment, and provides a more comfortable indoor environment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223525245U_ABST
    Figure CN223525245U_ABST
Patent Text Reader

Abstract

The utility model discloses a low thermal load dehumidifier which comprises a shell, the interior of the shell is divided into an inner circulation cavity and an outer circulation cavity through a middle partition plate, and the outer circulation cavity is provided with a compressor, an outer circulation condenser and an outer fan used for extracting outside air. The inner circulation chamber is provided with an evaporator, an inner circulation condenser and an inner fan used for extracting air in the fixed space. The compressor, the outer circulation condenser, the inner circulation condenser and the evaporator are sequentially connected through a refrigerant pipeline. According to the structure, internal and external circulation airflow is isolated through the middle partition plate, and the partial condenser serves as an external circulation condenser to be arranged in an external circulation cavity, so that heat is dissipated outdoors through an external fan, and the indoor heat load is reduced; and through the design of the internal circulation condenser, the relative humidity of internal circulation airflow is greatly reduced, the dehumidification efficiency can be greatly improved, and the heat load on the indoor environment is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dehumidifier, especially low heat load dehumidifier. BACKGROUND

[0002] Traditional dehumidifier design usually adopts single cycle mode, and removes the moisture in the air through condenser and evaporator. However, this design often arranges the condenser and evaporator side by side in front of and behind the air outlet, and the heat emitted by the condenser easily increases the additional heat load of the indoor environment, affecting the comfort and energy efficiency. Therefore, it is urgent to develop a dehumidifier that can dehumidify efficiently without increasing the additional heat load of the indoor environment. SUMMARY

[0003] To solve the above technical problems, the utility model provides a low heat load dehumidifier.

[0004] The technical scheme of the utility model is: a shell, the inside of the shell is divided into an inner circulation chamber and an outer circulation chamber by a partition, the outer circulation chamber is provided with a compressor, an outer circulation condenser and an outer fan for extracting external air, the inner circulation chamber is provided with an evaporator, an inner circulation condenser and an inner fan for extracting air in a fixed space; the compressor, the outer circulation condenser, the inner circulation condenser and the evaporator are connected in sequence through a refrigerant pipeline.

[0005] Further, the partition is in Z-shaped structure, two free ends of the Z-shaped partition are connected to two sides of the shell, and the inner circulation chamber and the outer circulation chamber are located in the upper space and the lower space of the Z-shaped partition respectively.

[0006] Further, the evaporator and the inner circulation condenser are arranged side by side in front of and behind the inner side top of the shell in an inclined state, and the inner circulation condenser corresponds to the inner circulation air outlet opened on the shell.

[0007] Further, the outer circulation condenser and the outer fan are arranged in an up-down manner, the outer circulation condenser is arranged above the outer fan in an inclined manner, and the opening direction of the inclination corresponds to the air outlet direction of the outer fan.

[0008] Further, the outer fan is arranged at the bottom of the shell, and the outer circulation condenser abuts against the lower end face of the higher end of the Z-shaped partition.

[0009] Further, the lower part of the evaporator is provided with a water collecting box for collecting condensed water.

[0010] Further, the top of the shell is further provided with an auxiliary air outlet, and the auxiliary air outlet corresponds to the inner circulation condenser.

[0011] Further, the inner circulating air outlet corresponds to the front face of the shell, and the inner fan is opposite to the inner circulating air inlet on the front face of the shell.

[0012] Further, the electric control system comprises a main electric board electrically connected with the compressor, the outer fan and the inner fan respectively, and the front face of the shell is further provided with a display panel connected with the main electric board through a shielding wire.

[0013] The beneficial technical effects of the present application are as follows: the inner circulating airflow and the outer circulating airflow are effectively isolated by the partition plate, so as to improve the efficiency of the refrigeration system, and part of the condenser is arranged in the outer circulating chamber as an outer circulating condenser, so as to dissipate heat to the outdoor through the outer fan, and reduce the heat load of the indoor; and the relative humidity of the inner circulating airflow is greatly reduced through the design of the inner circulating condenser. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a schematic diagram of the internal structure of the shell of the present application;

[0016] Figure 3 is an exploded schematic diagram of the overall structure of the present application;

[0017] Figure 4 is a schematic diagram of the outer circulating airflow of the present application;

[0018] Figure 5 is a schematic diagram of the inner circulating airflow of the present application;

[0019] Wherein: 1, shell; 11, outer circulating air inlet; 12, outer circulating air outlet; 13, inner circulating air inlet; 14, inner circulating air outlet; 15, auxiliary air outlet; 2, partition plate; 3, compressor; 4, outer circulating condenser; 5, outer fan; 6, evaporator; 7, inner circulating condenser; 8, inner fan; 9, water receiving box, 100, main electric board; 101, display panel. DETAILED DESCRIPTION

[0020] In order to more clearly understand the technical means of the present application, and can be implemented in accordance with the content of the specification, the specific embodiments of the present application are further described in detail below, the following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0021] As Figures 1 to 3As shown, the low-heat-load dehumidifier, comprising a shell 1, the shell 1 is separated into inner circulation chamber and outer circulation chamber by the middle partition 2 along the height direction, the outer circulation chamber is equipped with compressor 3, outer circulation condenser 4 and the outer fan 5 for extracting outside gas, the inner circulation chamber is equipped with evaporator 6, inner circulation condenser 7 and the inner fan 8 for extracting the air in fixed space, the compressor 3, outer circulation condenser 4, inner circulation condenser 7 and evaporator 6 are sequentially connected by refrigerant pipeline, the outer fan 5 and the inner fan 8 are respectively equipped with outer circulation air inlet 11 and inner circulation air inlet 13 on the shell 1 opposite.

[0022] Specifically, the middle partition 2 is Z-shaped structure, two free ends of Z-shaped middle partition 2 are connected to the two sides of shell 1 respectively, and the inner circulation chamber and the outer circulation chamber are located in the upper space and the lower space of Z-shaped middle partition 2 respectively, so as to separate the inner circulation airflow and the outer circulation airflow, as shown. Figures 4 to 5

[0023] The compressor 3 and the outer fan 5 are respectively located at the two inner sides of the bottom of the shell 1 along the width direction, the outer circulation condenser 4 is arranged above the outer fan 5, and the air outlet direction of the outer fan 5 is towards the outer circulation condenser 4, so as to improve the heat exchange efficiency; meanwhile, the upper end of the outer circulation condenser 4 abuts against the lower end face of the higher end of the Z-shaped middle partition 2, and this structure arrangement fully utilizes the height space of the shell 1, so as to maximize the condensation heat exchange space in the outer circulation chamber, so as to achieve better condensation heat exchange effect.

[0024] The back of the shell 1 is defined as corresponding to the outer circulation air inlet 11; the front of the shell 1 is defined as corresponding to the inner circulation air inlet 13; the back of the shell 1 is further provided with the outer circulation air outlet 12 corresponding to the outer circulation condenser 4, and the outer circulation air outlet 12 is located above the outer circulation air inlet 11.

[0025] The evaporator 6 and the inner circulation condenser 7 are arranged in front of and behind each other and in an inclined state on the inner side top of the shell 1, and the evaporator 6 is arranged close to the back of the shell 1, and the inner circulation condenser 7 is arranged close to the front of the shell 1; the front of the shell 1 is further provided with the inner circulation air outlet 14 corresponding to the inner circulation condenser 7; in order to further improve the air outlet efficiency of the inner circulation, the top of the shell 1 is further provided with an auxiliary air outlet 15, and the auxiliary air outlet 15 corresponds to the inner circulation condenser 7.

[0026] The lower end of the evaporator 6 and the inner circulation condenser 7 abuts against the upper end face of the higher end of the Z-shaped middle partition 2, and the lower end of the inner fan 8 abuts against the upper end face of the lower end of the Z-shaped middle partition 2, and the opening direction of the inclination angle of the evaporator 6 and the inner circulation condenser 7 is opposite to the air outlet direction of the inner fan 8.

[0027] ​The lower part of the evaporator 6 is provided with a water collecting box 9, the shape of the water collecting box 9 is matched with the bottom shape of the evaporator 6, the peripheral wall of the water collecting box 9 is fixedly connected with the shell 1, and the bottom of the water collecting box 9 is connected with a drain pipe to drain the condensed water out of the shell 1.

[0028] In the embodiment, the evaporator 6, the inner circulation condenser 7 and the outer circulation condenser 4 are all serpentine pipe coils.

[0029] The compressor 3, the outer circulation condenser 4, the inner circulation condenser 7 and the evaporator 6 are connected in sequence by pipes to form a closed dehumidification system, when the dehumidification system works, the refrigerant is compressed into high-temperature and high-pressure gas by the compressor 3 and enters the outer circulation condenser 4 and the inner circulation condenser 7 in sequence, the refrigerant is cooled and condensed into medium-temperature and high-pressure liquid after releasing heat to the surrounding in the outer circulation condenser 4 and the inner circulation condenser 7, the liquid refrigerant enters the evaporator 6 through the expansion valve, and the liquid refrigerant is rapidly boiled due to the low pressure in the evaporator 6, and the liquid refrigerant is completely evaporated after absorbing a large amount of heat from the surrounding of the evaporator 6 to form low-temperature and low-pressure gaseous refrigerant, which enters the compressor 3 to complete the cycle.

[0030] Therefore, the inner circulation air flow passes through the inner circulation air inlet 13, and then passes through the evaporator 6 and the inner circulation condenser 7 under the action of the inner fan 8, and is discharged from the inner circulation air outlet 14 and the auxiliary air outlet 15; in the process of passing through the evaporator 6, the water vapor in the inner circulation air flow is condensed to form condensed water due to the low-temperature surface of the evaporator 6, the condensed water drops to the water collecting box 9, thereby reducing the humidity in the inner circulation air flow; when the inner circulation air flow with high relative humidity passes through the inner circulation condenser 7, the temperature of the inner circulation air flow is increased, and the relative humidity of the inner circulation air flow is greatly reduced, thereby providing more comfortable environmental conditions when entering the indoor space and the like.

[0031] The outer circulation air flow passes through the outer circulation air inlet 11, and then exchanges heat with the outer circulation condenser 4 under the action of the outer fan 5 to release the heat emitted by the outer circulation condenser 4 to the external environment.

[0032] The heat emitted by the inner circulation condenser 7 is used to reduce the relative humidity of the inner circulation air flow, and the cooperation of the outer circulation condenser 4 and the inner circulation condenser 7 avoids increasing the additional heat load in the specific space.

[0033] The dehumidification system further comprises an electric control system, the electric control system comprises a main electric board 100 electrically connected with the compressor 3, the outer fan 5 and the inner fan 8 respectively, the main electric board 100 is arranged on the inner side of the back surface of the shell, and the front surface of the shell is further provided with a display panel 101 connected with the main electric board 100 through a shielding wire. The external display panel 101 is convenient for users to operate and read data.

[0034] The above merely is preferred implementation manner of the present application, and is not used for limiting the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the technical principle of the present application, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the present application.

Claims

1. A low-temperature heat load dehumidifier, characterized by: The application relates to a shell (1) which is internally divided into an inner circulation chamber and an outer circulation chamber by a partition (2), wherein the outer circulation chamber is provided with a compressor (3), an outer circulation condenser (4) and an outer fan (5) for extracting ambient air, and the inner circulation chamber is provided with an evaporator (6), an inner circulation condenser (7) and an inner fan (8) for extracting air in a fixed space; the compressor (3), the outer circulation condenser (4), the inner circulation condenser (7) and the evaporator (6) are sequentially connected through refrigerant pipelines.

2. The low-thermal- load dehumidifier of claim 1, wherein: The partition (2) is in a Z-shaped structure, two free ends of the Z-shaped partition (2) are connected to two sides of the shell (1), and the inner circulation chamber and the outer circulation chamber are located in upper space and lower space of the Z-shaped partition (2) respectively.

3. The low-thermal- load dehumidifier of claim 1, wherein: The evaporator (6) and the inner circulation condenser (7) are arranged in a staggered state on the inner side top of the shell (1) in front of and behind each other, and the inner circulation condenser (7) corresponds to an inner circulation air outlet (14) opened on the shell (1).

4. The low-thermal- load dehumidifier of claim 1, wherein: The outer circulation condenser (4) and the outer fan (5) are arranged in a staggered state, the outer circulation condenser (4) is arranged above the outer fan (5) in a staggered state, and the opening direction of the outer circulation condenser (4) corresponds to the air outlet direction of the outer fan (5).

5. The low-thermal- load dehumidifier of claim 4, wherein: The outer fan (5) is arranged at the bottom of the shell (1), the outer circulation condenser (4) abuts against the lower end surface of the higher end of the Z-shaped partition (2).

6. The low-thermal- load dehumidifier of claim 1, wherein: A water collecting box (9) for collecting condensed water is arranged at the lower part of the evaporator (6).

7. The low-thermal- load dehumidifier of claim 1, wherein: An auxiliary air outlet (15) is further arranged at the top of the shell (1), and the auxiliary air outlet (15) corresponds to the inner circulation condenser (7).

8. The low-thermal- load dehumidifier of claim 3, wherein: The inner circulation air outlet (14) corresponds to the front surface of the shell (1), and an inner circulation air inlet (13) is further arranged on the front surface of the shell (1) which is directly faced by the inner fan (8).

9. The low-thermal- load dehumidifier of claim 8, wherein: An electric control system is further included, the electric control system comprises a main electric board (100) which is electrically connected with the compressor (3), the outer fan (5) and the inner fan (8) respectively, a display panel (101) is further arranged on the front surface of the shell (1), and the display panel (101) is connected with the main electric board (100) through a shielding wire.