A control method for reducing energy consumption of a dehumidifier and a low-energy-consumption dehumidifier

Abstract

This invention provides a control method for reducing dehumidifier energy consumption and a low-energy dehumidifier. The method includes the following steps: setting target temperature and target humidity in a control device; acquiring the temperature and humidity of each auxiliary space connected to the mixing chamber through the control device; determining whether each auxiliary space exists that can cause the temperature and / or humidity of the space to be treated to return to the target temperature and / or humidity; if so, supplying gas from the first space to the mixing chamber to adjust the temperature and / or humidity of the space to be treated. The control method of this invention can precisely control the dehumidifier according to actual conditions, avoiding energy waste, accelerating dehumidification, and enabling the humidity of the space to be treated to reach the target faster. Simultaneously, the dehumidifier of this invention fully utilizes the gas in the auxiliary spaces, reducing energy consumption, providing fresh air, improving air quality, increasing air circulation, and enhancing the comfort and health of the space to be treated.

Description

Technical Field

[0001] This invention relates to the field of dehumidification technology, specifically to a control method for reducing the energy consumption of a dehumidifier and a low-energy dehumidifier. Background Technology

[0002] In high-humidity environments, such as hot springs, water parks, and swimming pools, especially indoor pools, the water surface temperature is higher than the air dew point temperature. This causes the water to evaporate easily, making the indoor air humid. Humid air can be very uncomfortable, and it will condense on cooler surfaces (such as poorly insulated windows or fire doors). This condensation can cause fogging, affecting swimmers' view of the outside environment. Furthermore, the high chlorine content in indoor pool condensate can corrode buildings, potentially leading to collapse. Similarly, in specific environments like workshops and warehouses, it is also necessary to regulate humidity and temperature.

[0003] Current technologies typically use dehumidifiers to regulate humidity and temperature in the air. However, existing dehumidifier control methods are generally inefficient, prone to energy waste due to over- or under-dehumidification, and have slow dehumidification speeds. The dehumidification effect relies entirely on the dehumidifier, increasing operating costs. Furthermore, typical dehumidifiers do not fully utilize outdoor fresh air, resulting in high energy consumption and poor improvement in indoor air quality, potentially leading to insufficient indoor air circulation. Summary of the Invention

[0004] To address the aforementioned shortcomings in the prior art, this invention provides a control method for reducing the energy consumption of a dehumidifier. The dehumidifier includes a control device, a dehumidification device, a regeneration device, and a mixing chamber located between the dehumidification device and the regeneration device.

[0005] The control methods specifically include:

[0006] The target temperature and target humidity are set in the control device respectively;

[0007] If the temperature in the space to be processed does not meet the target temperature and / or the humidity is greater than the target humidity, the gas in that space shall be used as the gas to be processed.

[0008] The control device acquires the temperature and humidity of each auxiliary space connected to the mixing chamber, and determines whether there is an auxiliary space that can make the temperature in the space to be processed return to the target temperature and / or the humidity return to the target humidity.

[0009] If present, the auxiliary space is defined as the first space, and the gas in the first space is delivered to the mixing chamber to adjust the temperature and / or humidity in the space to be processed;

[0010] If no such space exists, an auxiliary space with a humidity close to the target humidity is selected and defined as the second space. The gas in the second space is transported to the mixing chamber and mixed with the gas flowing through the dehumidification device to form a mixed gas. Based on the temperature of the mixed gas and the target temperature, it is determined whether to heat the mixed gas through the reheating device and discharge the mixed gas to the space to be treated.

[0011] In the above technical solution, preferably, the gas in the first space is defined as the first gas, the gas in the second space is defined as the second gas, and the gas flowing through the dehumidification device is defined as the third gas;

[0012] The mixing chamber is divided into a first chamber connected to the exhaust vent and the dehumidifier, and a second chamber connected to the fresh air vent, by a barrier containing a valve body. The fresh air vent is the inlet for the first gas or the second gas to enter the dehumidifier, and the exhaust vent is the outlet for the third gas to be discharged to the non-processed space.

[0013] In the above technical solution, preferably, when the first gas is introduced into the second chamber, the control device controls the gas flow rate of the fresh air inlet to be greater than the gas flow rate of the valve body, and controls the power of the dehumidifier to decrease.

[0014] When the second gas is introduced into the second chamber, the control device controls the gas flow rate of the fresh air inlet to be less than the gas flow rate of the valve body.

[0015] The above technical solutions, preferably, also include:

[0016] The temperature and humidity of the third gas are obtained;

[0017] When the first gas is introduced into the second chamber, if the temperature of the first gas is greater than the temperature of the third gas and less than the temperature of the gas to be processed, and the humidity is less than the humidity of the third gas;

[0018] The control device then controls the dehumidifier to reduce its power and controls the valve body to reduce the airflow between the first chamber and the second chamber.

[0019] In the above technical solution, preferably, the size of the fresh air inlet and the exhaust air outlet are changed, or the fresh air drive device that delivers the first gas or the second gas to the dehumidifier and the exhaust drive device that delivers the third gas to the non-treated space are controlled.

[0020] The gas flow rates of the first gas, the second gas, and the third gas discharged to the non-treated space are changed.

[0021] In the above technical solution, preferably, both the fresh air inlet and the exhaust outlet are equipped with air valves;

[0022] The control device drives the blades of the air valves in the fresh air inlet and the exhaust air outlet to change the gas flow rates of the first gas, the second gas, and the third gas discharged to the non-treated space.

[0023] In the above technical solution, preferably, the dehumidifier further includes a pool water condensation device;

[0024] If the temperature of the gas to be treated is lower than the target temperature, the humidity is lower than the target humidity, and the temperature of the first gas is higher than the temperature of the third gas;

[0025] The valve body is controlled to reduce the airflow between the first chamber and the second chamber, so that the refrigerant in the dehumidification device absorbs the heat from the gas to be treated and is then transported to the pool water condensation device to heat the liquid to be heated in the space to be treated.

[0026] In the above technical solution, preferably, when the gas flowing through the dehumidification device is lower than the target temperature, the gas flowing through the dehumidification device is heated by the regeneration device or the mixed gas is heated by the regeneration device and then discharged into the space to be treated.

[0027] In the above technical solution, preferably, an anti-condensation sensor is set in the space to be processed. When the anti-condensation sensor detects that the temperature of the condensable object in the space to be processed is close to the dew point temperature in the space to be processed, the target humidity in the target value is lowered.

[0028] The present invention also provides a low-energy dehumidifier, which can be used to implement the control method for reducing the energy consumption of the dehumidifier as described in any of the above technical solutions, including: a control device, a dehumidification device, a reheating device, and a mixing chamber;

[0029] The dehumidification device contains a liquid refrigerant, which vaporizes to lower the temperature of the gas to be treated, liquefies the water vapor in the gas, and reduces the humidity of the gas. The regenerative device is connected to the dehumidification device to liquefy the vaporized liquid refrigerant flowing through the dehumidification device, thereby increasing the temperature of the gas discharged into the space to be treated.

[0030] The mixing chamber includes a fresh air inlet for the gas in the auxiliary space to enter the dehumidifier and an exhaust outlet for the gas flowing through the dehumidifier to be discharged to the non-treated space, so that the gas flowing through the dehumidifier is mixed with the gas entering the auxiliary space of the dehumidifier;

[0031] The control device is used to acquire the temperature and humidity of the gas flowing through the dehumidifier, the gas to be treated, and the gas in the auxiliary space, respectively, and to control the gas flow rate of the gas in the auxiliary space entering the dehumidifier and the gas flow rate of the gas flowing through the dehumidifier to the non-treatment space based on the acquired temperature and humidity.

[0032] Beneficial effects: The control method of this invention can precisely control the dehumidifier according to actual conditions, avoiding energy waste, accelerating dehumidification speed, and enabling the humidity of the space to be treated to reach the standard more quickly. At the same time, the dehumidifier of this invention makes full use of the gas in the auxiliary space, which can reduce energy consumption, provide fresh air, improve air quality, increase air circulation, and improve the comfort and health of the space to be treated. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the steps of the control method of the present invention;

[0035] Figure 2 This is a three-dimensional structural diagram of the dehumidifier of the present invention;

[0036] Figure 3 This is a schematic diagram of the structure of the electric air valve of the present invention;

[0037] Figure 4 This is a schematic diagram of the top perspective structure of the mixing chamber of the present invention;

[0038] Figure 5 This is a schematic diagram of the internal structure of the housing of the present invention;

[0039] Figure 6 This is a schematic diagram of the state distribution of the gas to be processed and the first gas in the first embodiment of the present invention;

[0040] Figure 7 This is a schematic diagram of the state distribution of the gas to be processed and the first gas in the second embodiment of the present invention;

[0041] Figure 8 This is a schematic diagram of the state distribution of the gas to be processed and the first gas in the third embodiment of the present invention;

[0042] Figure 9 This is a schematic diagram of the state distribution of the gas to be processed and the first gas in the fourth embodiment of the present invention.

[0043] The attached diagram is labeled as follows: 1-No airflow section; 2-Return air section; 3-Evaporation section; 4-Connection section; 5-Mixing section; 6-Regenerating section; 7-Air supply section; 8-Exhaust valve; 9-Fresh air valve; 10-Shell; 11-Electrical control box; 12-Blade; 13-Electric air valve; 14-Mixing chamber; 15-Mixing air valve; 18-Compression device; 20-Evaporation coil; 21-Liquid storage device; 22-Pool water condensation device; 23-Exhaust outlet; 24-Fresh air inlet; 26-Regenerating condensation coil; 27-Air supply fan; 28-Return air fan; 29-First chamber; 30-Second chamber; 35-State area of ​​the gas to be treated; 36-State area of ​​the first gas; 37-Absolute humidity line; 38-Relative humidity line; 39-Dry bulb temperature line; 40-State point of the target value. Detailed Implementation

[0044] The following will describe the concept, specific structure and technical effects of the present invention clearly and completely with reference to the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

[0045] Various embodiments of the invention will be described more fully below. The invention may have various embodiments, and adjustments and changes may be made therein. However, it should be understood that there is no intention to limit the various embodiments of the invention to the specific embodiments disclosed herein, but rather the invention should be understood to cover all modifications, equivalents, and / or alternatives falling within the spirit and scope of the various embodiments of the invention.

[0046] In the following, the terms “comprising” or “may include” as used in various embodiments of the invention indicate the presence of the disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the invention, the terms “comprising,” “having,” and their cognates are intended only to indicate a specific feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as primarily excluding the presence of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing, or the possibility of adding one or more combinations of the foregoing.

[0047] In various embodiments of the invention, the expression "or" or "at least one of A and / or B" includes any combination or all combinations of the words listed simultaneously. For example, the expression "A or B" or "at least one of A and / or B" may include A, may include B, or may include both A and B.

[0048] The expressions used in the various embodiments of the present invention (such as "first," "second," etc.) may modify various constituent elements in the various embodiments, but do not limit the corresponding constituent elements. For example, the above expressions do not limit the order and / or importance of the elements. The above expressions are only used for the purpose of distinguishing one element from other elements. For example, a first user device and a second user device refer to different user devices, although both are user devices. For example, a first element may be referred to as a second element without departing from the scope of the various embodiments of the present invention, and similarly, a second element may also be referred to as a first element.

[0049] It should be noted that, in this invention, unless otherwise explicitly specified and defined, terms such as "installation," "connection," and "fixation" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0050] In this invention, those skilled in the art should understand that the terms indicating orientation or positional relationship in the text are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the purpose of facilitating the description of this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0051] The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to limit the various embodiments of the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the invention pertain. The terms (such as those defined in a generally used dictionary) are to be interpreted as having the same meaning as in the context of the relevant technical field and are not to be interpreted as having an idealized or overly formal meaning, unless clearly defined in the various embodiments of the invention.

[0052] Example 1

[0053] This embodiment provides a control method for reducing the energy consumption of a dehumidifier. The dehumidifier includes a control device, a dehumidification device, a pool water condensation device 22, a regeneration device, and a mixing chamber 14 located between the dehumidification device and the regeneration device. The space to be treated can be a swimming pool, hot spring, water park, workshop, warehouse, or other space that needs to maintain a specific temperature and humidity. In this embodiment, the space to be treated is the space where an indoor swimming pool is located, and the gas in the indoor swimming pool is the gas to be treated.

[0054] like Figure 1 As shown, the method specifically includes the following steps (201, 202, 203, 204, and 205):

[0055] 201: Set target values, including target temperature and target humidity, in the control device. In this embodiment, the target humidity is set to 60% RH relative humidity and the target temperature is 82°F dry bulb temperature.

[0056] 202: When the temperature in the space to be treated does not meet the target temperature and / or the humidity exceeds the target humidity; specifically, the humidity in an indoor swimming pool is typically not less than 60% RH. For example... Figures 6 to 9 As shown, the intersection of the relative humidity line 38 and the dry-bulb temperature line 39 is the state point 40 where the target value is located. Preferably, the dry-bulb temperature of the state point 40 where the target value is located is 82°F, and the relative humidity is 60% RH. A horizontal absolute humidity line 37 (also the dew point temperature line) is drawn based on the absolute humidity of the state point 40 where the target value is located. The temperature in the area to the left of the dry-bulb temperature line 39 is lower than the target temperature, and the temperature in the area to the right of the dry-bulb temperature line 39 is higher than the target temperature. The humidity above the absolute humidity line 37 is higher than the target humidity, and the humidity below the absolute humidity line 37 is lower than the target humidity. In actual implementations, this includes the following four scenarios: In the first implementation, the temperature in the space to be treated is higher than the target temperature and the humidity is higher than the target humidity, such as... Figure 6 As shown, the region 35 containing the state of the gas to be treated is located in the upper right corner; in the second embodiment, the temperature in the space to be treated is higher than the target temperature, and the humidity meets the target humidity, such as... Figure 7 As shown, the region 35 containing the state of the gas to be treated is located in the lower right corner (in this embodiment, humidity lower than the target humidity is considered to meet the target humidity); in the third embodiment, the temperature in the space to be treated is lower than the target temperature and the humidity is higher than the target humidity, such as... Figure 8 As shown, the region 35 containing the state of the gas to be treated is located in the upper left corner; in the fourth embodiment, the temperature in the space to be treated is lower than the target temperature, and the humidity meets the target humidity, such as... Figure 9 As shown, the state of the gas to be processed, region 35, is located in the lower left corner.

[0057] 203: The temperature and humidity in each auxiliary space connected to the mixing chamber 14 are acquired through the control device, and it is determined whether there is an auxiliary space in each auxiliary space that can cause the temperature in the space to be processed to return to the target temperature and / or the humidity to return to the target humidity. In this embodiment, the auxiliary spaces include the outdoor space and other spaces.

[0058] 204: If present, the auxiliary space is defined as the first space, and the first gas in the first space is delivered to the mixing chamber 14 to adjust the temperature and / or humidity in the space to be processed.

[0059] Specifically, the mixing chamber 14 is divided into a first chamber 29, which connects to the exhaust vent 23 and the dehumidifier, and a second chamber 30, which connects to the fresh air vent 24, by a barrier including a valve body. The fresh air vent 24 is the inlet for the first or second gas to enter the dehumidifier, and the exhaust vent 23 is the outlet for the third gas to be discharged to the non-treatment space. The non-treatment space is the space other than the treatment space, preferably outdoors. By controlling the drive device to drive the blades 12 of the air valves in the fresh air vent 24 and the exhaust vent 23, the size of the fresh air vent 24 and the exhaust vent 23 is changed, thereby changing the gas flow rate of the first gas, the second gas entering the dehumidifier, and the third gas discharged to the non-treatment space. At the same time, the gas flow rate between the first chamber 29 and the second chamber 30 can also be changed by the valve body in the barrier. In one specific embodiment, the valve body in the barrier is an air valve, and the gas flow rate between the first chamber 29 and the second chamber 30 is also changed by controlling the drive device to drive the blades 12 of the air valve in the barrier. In other methods, the gas fluxes of the first gas, the second gas, and the third gas discharged to the non-treated space are changed by controlling the fresh air drive device that draws external gas into the dehumidifier and the exhaust drive device that transports dehumidified gas to the non-treated space.

[0060] In the first embodiment, the temperature of the first gas is lower than the target temperature and the humidity is lower than the target humidity, such as... Figure 6 As shown, the area 36 where the first gas is located is in the lower left corner. After the first gas is introduced into the second chamber 30, the gas flow rate of the fresh air inlet 24 is controlled by the control device to be greater than the gas flow rate of the valve body. By reducing the number and power of the compressor devices 18 in the dehumidifier, the total power of the dehumidifier is reduced. Preferably, all compressor devices 18 are closed, so that all the third gas flowing through the dehumidifier is discharged. The gas discharged by the dehumidifier into the space to be treated is the first gas. The first gas can simultaneously adjust the temperature and humidity in the space to be treated, so that the temperature and humidity in the space to be treated meet the target temperature and target humidity.

[0061] In the second embodiment, such as Figure 7As shown, the region 36 where the first gas is located is to the left of the dry-bulb temperature line 39. The temperature of the first gas is lower than the target temperature. Since the humidity in the space to be treated meets the target humidity, the humidity of the first gas is not affected. After the first gas is introduced into the second chamber 30, the gas flow rate of the fresh air inlet 24 is controlled by the control device to be less than the gas flow rate of the valve body, thereby reducing the total power of the dehumidifier. Preferably, all compressors 18 are turned off, so that all the third gas flowing through the dehumidifier is discharged. The gas discharged by the dehumidifier into the space to be treated is the first gas, which can adjust the temperature in the space to be treated. Similarly, as Figure 8 and Figure 9 As shown, the third and fourth embodiments will not be described in detail. In the above embodiments, the gas in the auxiliary space is fully utilized, and the system automatically identifies whether the gas in the auxiliary space can be introduced, thereby reducing the power consumption of the dehumidifier while regulating the temperature and humidity in the space to be treated.

[0062] 205: If no such space exists, an auxiliary space is selected as the second space according to a preset specification. The second gas in the second space is transported to the mixing chamber 14 and mixed with the gas flowing through the dehumidifier to form a mixed gas. Based on the temperature of the mixed gas and the target temperature, it is determined whether to heat the mixed gas through a reheating device, and then the mixed gas is discharged to the space to be treated. At this time, the dehumidifier operates at normal power, and the control device ensures that the gas flow rate at the exhaust port 23 and the fresh air inlet 24 is less than the gas flow rate at the air valve in the barrier. Preferably, the preset specification is to select the auxiliary space closest to the target humidity from all auxiliary spaces. When the temperature and humidity of the gas to be treated decrease after passing through the dehumidifier, its humidity will decrease to the target humidity. When the dehumidifier needs to introduce fresh air (e.g., to meet ventilation standards in indoor pool areas or wetlands, requiring an outdoor air volume of 0.48 cubic feet per minute per square foot of pool and wetland area to ensure sufficient air circulation and fresh air entering the pool and surrounding wetlands to maintain good indoor air quality and comfort), the third gas mixes with the second gas in the second chamber 30 to form a mixed gas. When the temperature of the mixed gas is lower than the target temperature, the mixed gas is heated by a regenerative device before being discharged to the space to be treated. When the temperature of the mixed gas is higher than or equal to the target temperature, the regenerative device does not heat the mixed gas. The regenerative device can heat the gas when its temperature is lower than the target temperature, but it is not very effective in improving the humidity of the gas. Therefore, the default setting is to select the auxiliary space closest to the target humidity from among the auxiliary spaces so that the gas discharged to the space to be treated is close to the target humidity.

[0063] In the fifth embodiment, the temperature and humidity of the third gas are obtained. When the first gas is introduced into the second chamber 30, if the temperature of the first gas is greater than the temperature of the third gas but less than the temperature of the gas to be treated, and the humidity is less than the humidity of the third gas (since the humidity of the gas after passing through the dehumidifier meets the target humidity, i.e., the humidity of the third gas is less than the target humidity, and the humidity of the first gas is less than the humidity of the third gas, therefore the humidity of both the first and third gases meets the target humidity), then the power of the compressor 18 is reduced by the control device, and the air valve in the barrier is controlled to reduce the gas flow or close the air valve. In one specific embodiment, the compressor 18 in the dehumidifier is a variable frequency compressor 18, then the power of the variable frequency compressor 18 is directly reduced to reduce the power of the dehumidifier. In another embodiment, the dehumidifier is provided with multiple sets of compressors 18, and the power of the dehumidifier is reduced by reducing the number of compressors 18 that are turned on in the multiple sets of compressors. In other embodiments, the compressor 18 has multiple different stages, and the power of different stages is different. The compressor 18 is adjusted to a lower power stage to reduce the power of the compressor 18.

[0064] Preferably, if the temperature of the gas to be treated is lower than the target temperature (i.e., the space to be treated needs to be heated), the humidity is lower than the target humidity, and the temperature of the first gas is higher than the temperature of the third gas, then the control valve reduces the airflow between the first and second chambers. This allows the refrigerant in the dehumidifier to absorb heat from the gas to be treated and then deliver it to the pool water condensation device 22 to heat the liquid to be heated in the space to be treated (such as pool water). The heat recovered in the dehumidifier (and the energy of the compressor) is used to heat the first gas, which is then sent to the pool, saving a significant amount of heat (because the temperature of the first gas is higher than the temperature of the third gas, the heat absorbed by the refrigerant from the gas to be treated is greater than the heat consumed by the regenerative device to heat the gas, and the energy required to heat the first gas is less than the energy required to heat the third gas). This saved heat can be used to heat the pool water.

[0065] In other embodiments, an anti-condensation sensor is installed in the space to be treated. When the anti-condensation sensor detects that the temperature of a condensable object in the space is close to the dew point temperature of the space, the target humidity value is lowered. Preferably, the anti-condensation sensor (not shown in the figure) is a temperature detection device installed on the indoor surface of the exterior wall of the indoor swimming pool. This installation point is the lowest temperature point on the indoor surface of the pool. This state is monitored by the anti-condensation sensor on the wall surface when the outdoor temperature drops. When the wall surface temperature drops to near the temperature at which condensation occurs in the pool air (i.e., the dew point temperature), the control device automatically biases the target humidity downward to lower the air dew point temperature. By lowering the air dew point temperature, condensation on the pool wall surface can be avoided.

[0066] This embodiment precisely controls the dehumidifier according to actual conditions, avoiding energy waste caused by excessive or insufficient dehumidification, reducing the dehumidifier's energy consumption, and making reasonable use of auxiliary gas to regulate the temperature and humidity in the indoor swimming pool while reducing the dehumidifier's energy consumption. It also accelerates the dehumidification speed and adjusts the gas flow in a timely manner to make the dehumidifier more effective in processing the gas to be treated, allowing the indoor swimming pool to reach the target humidity range more quickly.

[0067] Example 2

[0068] This invention also provides a low-energy dehumidifier, such as... Figures 2 to 5 As shown, the control method for reducing the energy consumption of the dehumidifier in Embodiment 1 includes a control device, a compression device 18, a dehumidification device, a reheating device, a return air fan 28, a supply air fan 27, and a mixing chamber 14.

[0069] Specifically, such as Figure 2 As shown, all components of the dehumidifier are housed within the casing 10. The casing 10 can be sequentially divided into a windless section 1, a return air section 2, an evaporation section 3, a connecting section 4, a mixing section 5, a reheating section 6, and an air supply section 7. The return air section 2 serves as the inlet for the gas to be treated in the space to be treated. In this embodiment, the space to be treated is the space where the indoor swimming pool is located. The humidity in the indoor swimming pool is high; without any measures, the humidity is greater than 60%, and the gas in the indoor swimming pool is the gas to be treated with a humidity greater than 60%. The inlet for the gas to be treated to enter the dehumidifier is located in the return air section 2. The return air section 2 has a gas inlet at its top, side, or bottom for the gas to be treated to enter the dehumidifier. A metal partition is provided between the windless section 1 and the return air section 2 to separate them and prevent the high humidity gas in the return air section 2 from corroding the components in the windless section 1.

[0070] Furthermore, the compression device 18 and the control device are both located in the windless section 1, and the dehumidification device is located in the evaporation section 3. The gas to be treated enters the dehumidification device through the return air section 2, and the dehumidification device is preferably an evaporation coil 20. The dehumidification device is used to lower the temperature of the gas to be treated, causing the water vapor in the gas to liquefy, thus completing the dehumidification of the gas to be treated and forming dehumidified gas (i.e., the third gas). The dehumidification device is equipped with a filter screen, which is used to filter out small particles in the gas to be treated, making the gas to be treated cleaner and more hygienic. The gas to be treated passes through the filter screen before entering the dehumidification device. The mixing chamber 14 is located in the mixing section 5, and the return air fan 28 is located in the connecting section 4 between the evaporation section 3 and the mixing section 5. The return air fan 28 is connected to the dehumidification device and the mixing chamber 14 and is used to send the dehumidified gas to the mixing chamber 14.

[0071] For example, such as Figure 4As shown, the mixing chamber 14 includes an inlet (i.e., fresh air inlet 24) for gas from the auxiliary space to enter the dehumidifier and an outlet (i.e., exhaust outlet 23) for gas flowing through the dehumidifier to exit into the non-treated space, allowing the gas flowing through the dehumidifier (i.e., the third gas) to mix with the gas (i.e., the first gas or the second gas) entering the auxiliary space of the dehumidifier to form a mixed gas. A barrier is provided in the mixing chamber 14, dividing it into a first chamber 29 connecting the exhaust outlet 23 and the dehumidifier, and a second chamber 30 connecting the fresh air inlet 24. The barrier includes a valve body. Preferably, an exhaust valve 8 is provided in the exhaust outlet 23, a fresh air valve 9 is provided in the fresh air inlet 24, and a mixing valve 15 (i.e., valve body) is provided in the barrier. The exhaust valve 8, fresh air valve 9, and mixing valve 15 are all electrically operated valves 13. Figure 3 As shown, the electric air valve 13 is provided with multiple blades 12 arranged vertically to control the gas flow. The blades 12 can rotate around a pivot to change the gas flow. The electric air valve 13 is electrically connected to a control device. The control device controls the rotation angle of each blade 12 to control the size of the opening between the blades 12 and change the gas flow of the electric air valve 13.

[0072] Furthermore, a regeneration device is installed in the regeneration section 6, preferably a regeneration condensing coil 26. The regeneration device is connected to the compressor 18 and the dehumidifier via pipes, liquefying the liquid refrigerant that has vaporized in the dehumidifier to increase the temperature of the gas discharged into the treatment space. A filter screen is also installed on the regeneration device. A blower 27 is installed in the air supply section 7 to transport the gas from the second chamber 30 to the treatment space. The airflow provided by the blower 27 is 5% to 10% lower than that provided by the return air fan 28 to maintain a negative pressure state inside the pool room.

[0073] For example, the control device is housed in the electrical control box 11 in the windless section 1. Preferably, the control device is an intelligent control system such as a microcontroller or microcomputer controller. The control device is used to acquire the temperature and humidity of the gas flowing through the dehumidifier, the gas to be treated, and the gas in the auxiliary space, and to control the gas flow rate from the auxiliary space into the dehumidifier and the gas flow rate from the dehumidifier to the non-treated space based on the acquired temperature and humidity. In this embodiment, the dehumidifier also includes detection devices such as temperature sensors and humidity sensors.

[0074] Specifically, such as Figure 5As shown, when the gas to be treated passes through the evaporator coil 20, it is cooled and dehumidified. The sensible and latent heat contained in the gas to be treated is absorbed by the low-temperature liquid refrigerant in the evaporator coil 20, causing the low-temperature liquid refrigerant in the evaporator coil 20 to vaporize and become a low-temperature gaseous refrigerant. When the low-temperature gaseous refrigerant leaving the evaporator coil 20 is drawn into the compressor 18, it is compressed into a high-temperature gaseous refrigerant. In this embodiment, the dehumidifier also includes a pool water condensation device 22, which is used to heat the pool water in the indoor swimming pool to make swimmers more comfortable. The high-temperature gaseous refrigerant from the compressor 18 can be automatically distributed to the regenerating condenser coil 26 and the pool water condensation device 22 as needed via a control solenoid valve. The dehumidified gas enters the mixing chamber 14, where the electric air valve 13 can be automatically controlled to discharge the appropriate amount of dehumidified gas. The electric damper 13 mixes the dehumidified gas exiting the evaporator coil 20 with the gas entering through the fresh air inlet 24. The mixed gas is then drawn by the blower 27 to the regenerating condenser coil 26. As the mixed gas passes through the regenerating condenser coil 26, the high-temperature gaseous refrigerant in the regenerating condenser coil 26 releases its recovered sensible and latent heat, as well as the heat added from the compressor 18, into the mixed gas, causing the high-temperature gaseous refrigerant in the regenerating condenser coil 26 to become a high-temperature liquid refrigerant. The dehumidifier also has a liquid storage device 21 in the airless section 1, where the high-temperature liquid refrigerant is then stored. When the high-temperature gaseous refrigerant enters the pool water condenser 22, it releases the recovered heat into the cold pool water, causing the high-temperature gaseous refrigerant to become a high-temperature liquid refrigerant. The dehumidifier is also equipped with an expansion valve. The high-temperature liquid refrigerant stored in the liquid storage device 21 is expanded through the expansion valve to the pressure and temperature in the evaporator coil 20, so that the high-temperature liquid refrigerant becomes a low-temperature liquid refrigerant.

[0075] This embodiment provides a low-energy dehumidifier that reduces humidity in indoor swimming pools, ensuring the pool meets indoor ventilation standards and reducing condensation on building surfaces to minimize structural damage. While maintaining a comfortable pool environment, it automatically controls the gas flow through each electric valve in the mixing chamber and utilizes auxiliary space gas to adjust temperature and humidity, keeping the pool's temperature and humidity within a comfortable range while operating with minimal energy consumption. Simultaneously, it provides fresh air to the pool, improving air quality and enhancing the comfort, health, and sustainability of the indoor pool environment, creating a better experience for pool users.

[0076] The control method of this invention can precisely control the dehumidifier according to actual conditions, avoiding energy waste, accelerating dehumidification speed, and enabling the humidity of the space to be treated to reach the standard more quickly. At the same time, the dehumidifier of this invention makes full use of the gas in the auxiliary space, which can reduce energy consumption, provide fresh air, improve air quality, increase air circulation, and enhance the comfort and health of the space to be treated.

[0077] The above is a detailed description of the preferred embodiments of the present invention. However, the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A control method of reducing energy consumption of a dehumidifier, characterized by, The dehumidifier includes a control device, a dehumidification device, a regeneration device, and a mixing chamber located between the dehumidification device and the regeneration device; The control methods specifically include: The target temperature and target humidity are set in the control device respectively; If the temperature in the space to be processed does not meet the target temperature and / or the humidity is greater than the target humidity, the gas in that space shall be used as the gas to be processed. The control device acquires the temperature and humidity of each auxiliary space connected to the mixing chamber, and determines whether there is an auxiliary space that can make the temperature in the space to be processed return to the target temperature and / or the humidity return to the target humidity. If present, the auxiliary space is defined as the first space, and the gas in the first space is delivered to the mixing chamber to adjust the temperature and / or humidity in the space to be processed; If not, an auxiliary space with humidity close to the target humidity is selected as the second space. The gas in the second space is transported to the mixing chamber and mixed with the gas flowing through the dehumidification device to form a mixed gas. Based on the temperature of the mixed gas and the target temperature, it is determined whether to heat the mixed gas through the regeneration device and discharge the mixed gas to the space to be treated. The gas in the first space is defined as the first gas, the gas in the second space is defined as the second gas, and the gas flowing through the dehumidification device is defined as the third gas. The mixing chamber is divided into a first chamber connected to the exhaust port and the dehumidifier, and a second chamber connected to the fresh air inlet by a barrier containing a valve body. The fresh air inlet is the inlet for the first gas or the second gas to enter the dehumidifier, and the exhaust port is the outlet for the third gas to be discharged to the non-processed space. The temperature and humidity of the third gas are obtained; When the first gas is introduced into the second chamber, the control device controls the gas flow rate of the fresh air inlet to be greater than the gas flow rate of the valve body, and controls the power of the dehumidifier to decrease; if the temperature of the first gas is greater than the temperature of the third gas but less than the temperature of the gas to be treated, and the humidity is less than the humidity of the third gas, then the control device controls the power of the dehumidifier to decrease, and controls the valve body to reduce the airflow between the first chamber and the second chamber. When the second gas is introduced into the second chamber, the control device controls the gas flow rate of the fresh air inlet to be less than the gas flow rate of the valve body; The dehumidifier also includes a pool water condensation device; If the temperature of the gas to be treated is lower than the target temperature, the humidity is lower than the target humidity, and the temperature of the first gas is higher than the temperature of the third gas; The valve body is controlled to reduce the airflow between the first chamber and the second chamber, so that the refrigerant in the dehumidification device absorbs the heat from the gas to be treated and is then transported to the pool water condensation device to heat the liquid to be heated in the space to be treated.

2. The control method for reducing the energy consumption of a dehumidifier according to claim 1, characterized in that, By changing the size of the fresh air inlet and the exhaust outlet, or by controlling the fresh air drive device that delivers the first gas or the second gas to the dehumidifier and the exhaust drive device that delivers the third gas to the non-treated space, the gas flow rates of the first gas, the second gas, and the third gas discharged to the non-treated space can be changed.

3. The control method of claim 2, wherein the control method is characterized by: Both the fresh air inlet and the exhaust outlet are equipped with air valves; The control device drives the blades of the air valves in the fresh air inlet and the exhaust air outlet to change the gas flow rates of the first gas, the second gas, and the third gas discharged to the non-treated space.

4. The control method for reducing the energy consumption of a dehumidifier according to claim 1, characterized in that, When the gas flowing through the dehumidifier is below the target temperature, the gas flowing through the dehumidifier is heated by the regeneration device or the mixed gas is heated by the regeneration device and then discharged into the space to be treated.

5. The control method for reducing the energy consumption of a dehumidifier according to claim 1, characterized in that, An anti-condensation sensor is installed in the space to be processed. When the anti-condensation sensor detects that the temperature of a condensable object in the space to be processed is close to the dew point temperature of the space to be processed, the target humidity in the target value is lowered.

6. A low energy consumption dehumidifier, characterised in that, The control method for reducing the energy consumption of a dehumidifier as described in any one of claims 1-5 includes: a control device, a dehumidification device, a reheating device, and a mixing chamber; The dehumidification device contains a liquid refrigerant, which vaporizes to lower the temperature of the gas to be treated, liquefies the water vapor in the gas, and reduces the humidity of the gas. The regenerative device is connected to the dehumidification device to liquefy the vaporized liquid refrigerant flowing through the dehumidification device, thereby increasing the temperature of the gas discharged into the space to be treated. The mixing chamber includes a fresh air inlet for the gas in the auxiliary space to enter the dehumidifier and an exhaust outlet for the gas flowing through the dehumidifier to be discharged to the non-treated space, so that the gas flowing through the dehumidifier is mixed with the gas entering the auxiliary space of the dehumidifier; The control device is used to acquire the temperature and humidity of the gas flowing through the dehumidifier, the gas to be treated, and the gas in the auxiliary space, respectively, and to control the gas flow rate of the gas in the auxiliary space entering the dehumidifier and the gas flow rate of the gas flowing through the dehumidifier to the non-treatment space based on the acquired temperature and humidity.

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