Low-temperature water production method for air-to-water machine

Abstract

The application discloses a low-temperature water production method of an air water generator. When the ambient temperature is low, the water contained in the airflow is actively controlled to freeze on a condenser, so that the water in the air is collected. When the amount of ice in the condenser reaches a set range, the compressor is turned off, and the condenser no longer has a refrigeration effect. At this time, the air inhaled from the external environment is used to exchange heat with the ice in the condenser, so that the technical purpose of accelerating ice melting is achieved. Thus, the technical purpose of using the existing air water generator to produce water in a low-temperature environment is achieved. Without changing the hardware structure of the existing air water generator, the use temperature range of the air water generator can be extended to a low-temperature environment of 0-15 DEG C. Not only is the use temperature range of the air water generator expanded, but also the use geographical range of the air water generator is expanded.

Description

TECHNICAL FIELD

[0001] The present application relates to a water production method, in particular to a method for producing water under low temperature conditions by using an air water generator. BACKGROUND

[0002] The air water generator is a high-tech product which uses air in various environments as raw material, and through air purification, air heating, air condensation, water purification and other technical means to liquefy the air, so as to obtain drinking water meeting the health standards. The air water generator is formed by integrating the principles of air dehumidifier, air conditioner, air purifier and other devices, and can be widely applied in home, public places or any place where drinking water is needed.

[0003] The principle of the air water generator is that the water carried in the air is liquefied by the low-temperature condensation of the condenser to achieve the purpose of water production. In order to improve the water production efficiency, the temperature difference between the condensation temperature and the external environment temperature in the existing air water generator during water production is greater than or equal to 15℃. When the external environment temperature is lower than 15℃, the condensation temperature is lower than 0℃, and the water in the air will freeze and frost or ice on the condenser in the environment below 0℃. In order to avoid the condenser being blocked, the defrosting or deicing program will be started immediately when the condenser is frosted or iced in the existing air water generator, which finally leads to the failure of water production. That is, the existing air water generator can only be used in the working condition where the environment temperature is higher than 15℃, and when the environment temperature is lower than 15℃, the water production will be greatly reduced or even impossible, which cannot meet the normal use requirements. SUMMARY

[0004] Therefore, the purpose of the present application is to provide an air water generator low-temperature water production method which can realize water production by using the air water generator in a low-temperature environment with a temperature of 0-15℃.

[0005] To achieve the above purpose, the present application provides the following technical solutions:

[0006] An air water generator low-temperature water production method, comprising the following steps:

[0007] 1) Ice formation: start the compressor and the air inlet fan, so that the external air enters through the air inlet duct, and the water contained in the external air is condensed and iced on the condenser;

[0008] 2) Ice melting: when the amount of ice on the condenser reaches the set range, the compressor is turned off, the air inlet fan continues to suck the external air, the ice on the condenser is exchanged with the external air, and the ice is melted to form water, achieving the purpose of water production.

[0009] Further, the temperature of the external air satisfies: 0 < t ≤ 15℃.

[0010] Further, the temperature of the outside air satisfies: 0 < t < 10℃.

[0011] Further, the temperature of the outside air satisfies: 0 < t < 5℃.

[0012] Further, in the step 2), after the compressor is turned off, the waste heat of the compressor is guided to the condenser to accelerate the melting of the ice in the condenser while the ice in the condenser is melting.

[0013] Further, in the step 2), after the compressor is started to run for a set time according to the set working condition, it is considered that the amount of ice on the condenser reaches the set range.

[0014] Further, in the step 2), after the condenser is iced, the flow area of the fins is reduced, and when the flow area of the fins after icing is reduced to a set range, the compressor is turned off.

[0015] Further, because the water carried in the air is less, the gas flow in the air inlet duct can be considered to be equal to the gas flow in the condenser; by measuring the air flow velocities of the air inlet duct and the condenser at the same time, the ratio of the flow area of the fins after icing to the flow area of the fins before icing can be obtained as:

[0016]

[0017] Wherein, S0 is the flow area of the fins when the condenser is not iced; S t is the flow area of the fins after the condenser is iced; V1 and V2 are the air flow velocities in the air inlet duct and the condenser respectively; a is the ratio of the flow area of the air inlet duct to the flow area of the fins when the condenser is not iced.

[0018] Further, after the ice is melted, the flow area of the condenser is increased, and during the melting process, when the following condition is satisfied:

[0019]

[0020] The ice in the condenser is considered to be completely melted, wherein S t represents the flow area of the fins after the ice in the condenser is completely melted; b represents the ratio between the flow area of the fins after the ice in the condenser is completely melted and the flow area of the fins when the condenser is not iced.

[0021] Further, it further comprises a step 3), after the ice in the condenser is completely melted, the step 1) and the step 2) are recycled until the water making is finished.

[0022] The beneficial effects of the present application are:

[0023] The air water generator low-temperature water production method of the present application can achieve the purpose of collecting water in the air by actively controlling the water contained in the airflow to freeze on the condenser when the ambient temperature is low. When the amount of ice in the condenser reaches the set range, the compressor is turned off, and the condenser no longer has a refrigeration effect. At this time, the air inhaled from the external environment is used to exchange heat with the ice in the condenser to accelerate the melting of the ice, thereby achieving the technical purpose of using the existing air water generator to produce water in a low-temperature environment. Without changing the hardware structure of the existing air water generator, the use temperature range of the air water generator can be expanded to a low-temperature environment of 0-15℃, which not only expands the use temperature range of the air water generator, but also expands the use geographical range of the air water generator. DETAILED DESCRIPTION

[0024] The present application will be further described in conjunction with specific examples to enable those skilled in the art to better understand the present application and to implement it. The examples are not intended to limit the present application.

[0025] The air water generator low-temperature water production method of the present embodiment includes the following steps:

[0026] 1) Ice formation: Start the compressor and the air inlet fan to make the external air enter through the air inlet duct, and make the water contained in the external air condense and freeze on the condenser.

[0027] Specifically, the low temperature refers to the temperature of the external air satisfying: 0 < t ≤ 15℃. Of course, in some embodiments, the low temperature can also be the temperature of the external air satisfying: 0 < t ≤ 10℃, or even the temperature of the external air satisfying: 0 < t ≤ 5℃. Not repeated.

[0028] 2) Ice melting: When the amount of ice on the condenser reaches the set range, the compressor is turned off, and the air inlet fan continues to inhale the external air to make the external air exchange heat with the ice on the condenser, and the ice melts to form water, achieving the purpose of water production.

[0029] Specifically, after the compressor is turned off, the residual heat of the compressor is guided to the condenser to accelerate the melting of the ice and improve the water production efficiency while inhaling the external air to melt the ice in the condenser.

[0030] Specifically, the amount of ice on the condenser can be controlled by two ways.

[0031] The first way is: after starting the compressor to run for a set time according to the set working condition, it is considered that the amount of ice on the condenser reaches the set range, that is, the operating parameters such as compressor power can be set according to the temperature and humidity of the external air. When the compressor runs for a set time, the amount of ice on the condenser reaches the set range.

[0032] The second way is to indirectly measure the ice amount on the condenser by changing the flow area of the condenser. Specifically, when the condenser is iced, the flow area of the fins is reduced. When the flow area of the iced fins is reduced to a set range, the compressor is turned off. In this embodiment, when the flow area of the fins is reduced by 50%-80% after the condenser is iced, the compressor is turned off. That is, when the flow area of the fins is reduced by 50%-80%, it is considered that the ice amount on the condenser reaches the set range. At this time, the ratio of the flow area of the fins after icing to the flow area of the fins before icing is 20%-50%. Specifically, in this embodiment, the flow area of the fins is reduced by 75% after the condenser is iced, and the compressor is turned off. By detecting the ratio of the flow area of the fins before and after icing, the ice amount on the condenser can be measured. Specifically, the measurement of the flow area of the fins can be realized by detecting the air flow rate. Since the air carries less water, the air flow rate in the air inlet duct can be considered to be equal to the air flow rate in the condenser. By measuring the air flow rates in the air inlet duct and the condenser at the same time, the ratio of the flow area of the fins after icing to the flow area of the fins before icing can be obtained:

[0033]

[0034] wherein S0 is the flow area of the fins when the condenser is not iced; S t is the flow area of the fins after the condenser is iced; V1 and V2 are the air flow rates in the air inlet duct and the condenser, respectively; and a is the ratio of the flow area of the air inlet duct to the flow area of the fins when the condenser is not iced.

[0035] Further, after the ice melts, the flow area of the condenser increases. During the melting process, when the following condition is met:

[0036]

[0037] the ice in the condenser is considered to have completely melted, wherein S' t represents the flow area of the fins after the ice in the condenser has completely melted; and b represents the ratio between the flow area of the fins after the ice in the condenser has completely melted and the flow area of the fins when the condenser is not iced, b = 0.9-1. In this embodiment, b = 0.90. Of course, according to the actual working conditions, b can also take values of 0.92, 0.95, 0.98, 0.99, and 1.00, and the like, which will not be repeated. When the value of b is less than 1, the next low-temperature water production process can be entered without the ice completely melting. The un-melted ice can continue to melt before the temperature of the condenser decreases to 0°C or below, which has little effect on the water production amount and can shorten the time for entering the next low-temperature water production process, thereby improving the water production efficiency.

[0038] Step 3), after the ice in the condenser has completely melted, the steps 1) and 2) are cycled until the water production is completed.

[0039] The air water generator low-temperature water production method of the embodiment can achieve the purpose of collecting water in the air by actively controlling the water contained in the airflow to freeze on the condenser when the ambient temperature is low. When the amount of ice in the condenser reaches a set range, the compressor is turned off, and the condenser no longer has a refrigeration effect. At this time, the air inhaled from the external environment is used to exchange heat with the ice in the condenser to achieve the technical purpose of accelerating ice melting. Thus, the technical purpose of using the existing air water generator to produce water in a low-temperature environment is achieved. Without changing the hardware structure of the existing air water generator, the use temperature range of the air water generator can be expanded to a low-temperature environment of 0-15℃. Not only is the use temperature range of the air water generator expanded, but also the use geographical range of the air water generator is expanded.

[0040] The above-described embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent replacement or transformation made by those skilled in the art based on the present application is within the protection scope of the present application. The protection scope of the present application is subject to the claims.

Claims

1. A low-temperature water production method for an air-to-water generator, characterized by: Comprising the following steps: 1) Freezing: starting the compressor and the air intake fan, making outside air enter through the air intake duct, and making the water contained in the outside air condense and freeze on the condenser; 2) Melting: when the amount of ice on the condenser reaches a set range, the compressor is turned off, the air intake fan continues to suck in outside air, making the outside air exchange heat with the ice on the condenser, and the ice melts to form water, achieving the purpose of water production; After the condenser freezes, the flow area of the fins is reduced, and when the flow area of the fins after freezing is reduced to a set range, the compressor is turned off; because the water carried in the air is less, the gas flow in the air intake duct can be considered equal to the gas flow in the condenser; by measuring the air flow speed of the air intake duct and the condenser at the same time, the ratio of the flow area of the fins after the condenser freezes to the flow area of the fins before freezing can be obtained as: wherein, Acondis the fin flow area of the condenser when not iced up; Acondiced the fin flow area of the condenser when iced up; and Vairand Vcondare the air flow velocities in the air inlet duct and in the condenser, respectively; Acond / Aairis the ratio of the air inlet duct flow area to the fin flow area of the condenser when not iced up.

2. The air-to-water machine low temperature water production method of claim 1, wherein: The temperature of the outside air satisfies: 0 < t ≤ 15℃.

3. The air-to-water generator low temperature water production method of claim 2, wherein: The temperature of the outside air satisfies: 0 < t ≤ 10℃.

4. The air-to-water machine low temperature water production method of claim 3, wherein: The temperature of the outside air satisfies: 0 < t ≤ 5℃.

5. The air-to-water generator low temperature water production method of claim 1, wherein: In the step 2), after the compressor is turned off, the ice frozen in the condenser is melted while sucking in outside air, and the waste heat of the compressor is introduced into the condenser to accelerate the melting of the ice.

6. The air-to-water machine low temperature water production method of claim 1, wherein: After the ice melts, the flow area of the condenser is increased, and during the melting process, when the following condition is satisfied: then the ice in the condenser is considered to be completely melted, wherein, Acondenser, melt represents the fin flow area of the condenser after ice melting is completed. Acondenser, melt represents the fin flow area of the condenser after ice melting is completed.

7. The air-to-water generator low temperature water production method of claim 6, wherein: It also comprises a step 3), after the ice in the condenser is completely melted, the step 1) and the step 2) are cycled until the water production is completed.

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