A single-fan dual-air-duct switching type dehumidification and purification all-in-one machine and a control method thereof

Abstract

The application provides a single-fan double-air-duct switching type dehumidification and purification integrated machine and a control method thereof. The dehumidification and purification integrated machine comprises: a main machine shell, a first air inlet cavity, a second air inlet cavity and an air outlet cavity which are arranged in the main machine shell and are independent of each other; a fan arranged in the main machine shell, an air extraction end of the fan being in sealing connection with the air outlet cavity; a dehumidification assembly arranged in the first air inlet cavity; a purification assembly arranged in the second air inlet cavity; a first air inlet pipe connecting the first air inlet cavity and the air outlet cavity; a second air inlet pipe connecting the second air inlet cavity and the air outlet cavity; and a switching assembly located between an air outlet of the first air inlet pipe and an air outlet of the second air inlet pipe, so as to switch the on-off state of the first air inlet pipe and the second air inlet pipe. The switching assembly switches the on-off state of the first air inlet pipe and the second air inlet pipe, and the fan, the dehumidification assembly and the purification assembly are matched to realize separate dehumidification and purification, so that the dehumidification efficiency is ensured and the purification assembly is prevented from breeding bacteria.

Description

Technical Field

[0001] This invention relates to the field of dehumidification and purification devices, and in particular to a single-fan, dual-duct switching dehumidification and purification integrated machine and its control method. Background Technology

[0002] The existing dehumidifier and air purifier combos mainly have the following problems: (1) The dehumidification system and the purification system usually use two independent fans, which leads to increased cost, increased power consumption, increased noise, more complex structure and larger product size.

[0003] (2) Another type of product, although it shares the fan, the air needs to pass through the dehumidification system and the purification system at the same time; it has the following problems: increased wind resistance, increased energy consumption, long-term dampness of the purification filter screen makes the filter screen prone to bacterial growth, reduced dehumidification efficiency, and insufficient air volume. Summary of the Invention

[0004] This invention provides a single-fan, dual-duct switching dehumidifier and purifier integrated machine and its control method. By switching the on / off state of the first and second air inlet pipes through a switching component, the dehumidifier, the purifier and the fan can be used to achieve dehumidification and purification separately, ensuring dehumidification efficiency while avoiding the growth of bacteria in the purifier.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows: A single-fan, dual-duct switching dehumidifier and purifier integrated unit includes: The main unit casing has a first air inlet chamber, a second air inlet chamber, and an air outlet chamber that are independent of each other. A fan is installed inside the main unit housing, the exhaust end of the fan is sealed to the exhaust chamber, and the exhaust end of the fan faces the outside. Dehumidification component, wherein the dehumidification component is disposed in the first air inlet cavity; The purification component is disposed within the second air inlet chamber; The first air inlet pipe connects the first air inlet chamber and the air outlet chamber; The second air inlet pipe connects the second air inlet chamber and the air outlet chamber; A switching component is located between the air outlet of the first air inlet pipe and the air outlet of the second air inlet pipe. When the switching component is located at the first working position, the air outlet of the first air inlet pipe is sealed and the air outlet of the second air inlet pipe is open. When the switching component is located at the second working position, the air outlet of the second air inlet pipe is sealed and the air outlet of the first air inlet pipe is open.

[0006] Optionally, the dehumidification component includes: An evaporator is disposed within the first air inlet chamber; A condenser is disposed in the first air inlet chamber and is located near the air inlet end of the first air inlet pipe; The compressor is located at the bottom inner part of the main unit casing, and the compressor, the evaporator and the condenser are connected in sequence by copper pipes to form a refrigerant flow channel.

[0007] Optionally, the single-fan dual-duct switching dehumidifier and purifier also includes: The second box body is formed on the second inner wall of the main unit housing, and a second air inlet cavity is formed inside the second box body. A second air inlet pipe is formed on the side of the second box body away from the second inner wall of the main unit housing. A first box body is connected to a second box body, and an air outlet cavity is formed between the first box body and the second box body. A first air inlet pipe is formed on the inner wall of the first box body near the second box body, and the air outlet of the first air inlet pipe and the air outlet of the second air inlet pipe are located inside the air outlet cavity. The third box is connected to the bottom surface of the first box, and the first box, the third box, the bottom of the main unit housing, and the second inner wall of the main unit housing form an installation cavity for installing the compressor. The first plate is formed on the upper part of the first box body; The second plate is formed on the upper part of the third box body; A first air inlet cavity is formed between the first plate, the first inner wall of the main unit casing, the second plate, and the first box; A first mounting position for fixing the evaporator and a second mounting position for fixing the condenser are formed between the first plate and the second plate.

[0008] Optionally, the single-fan dual-duct switching dehumidifier and purifier also includes: A water collection cavity is formed between the inner bottom surface of the second plate, the third box and the main unit housing, and the water collection cavity penetrates the first inner wall of the main unit housing; A water collection box, wherein the water collection box is detachably snapped into the water collection cavity; A water collection tank is formed on the surface of the second plate and is located below the evaporator; A water guide pipe is formed on the bottom surface of the first plate. The first end of the water guide pipe is connected to the water collection tank, and the second end of the water guide pipe extends into the inner cavity of the water collection box.

[0009] Optionally, the single-fan dual-duct switching dehumidifier and purifier also includes: An air outlet pipe is formed on the top of the first box body. The first end of the air outlet pipe is connected to the air outlet cavity, and the second end of the air outlet pipe is sealed and inserted into the exhaust end of the fan. An air outlet slot is formed on the surface of the main unit housing, and the air outlet slot corresponds to the air outlet end of the fan; Multiple first air inlets are provided through the first inner wall of the main unit housing and are connected to the first air inlet cavity. A mounting cavity is provided through the second inner wall of the main unit housing and is connected to the second air inlet cavity; The disassembly plate is detachably snapped into the snap-fit ​​cavity. The surface of the disassembly plate is provided with a plurality of second air inlets, which are connected to the second air inlet cavity.

[0010] Optionally, the purification component includes: A first filter screen for blocking fine particulate matter in the air is fitted into a first placement cavity of the second housing; The second filter is used to adsorb odors and harmful gases. The second filter is installed in the second placement cavity of the second housing and is close to the air inlet end of the second air inlet pipe.

[0011] Optionally, the switching component includes: A rotating shaft is rotatably mounted inside the first housing. A drive motor is mounted on the outside of the first housing, and the output end of the drive motor is connected to the rotating shaft; A sealing component is connected to a rotating shaft and is located between the air outlet of the first air inlet pipe and the air outlet of the second air inlet pipe. When the drive motor rotates to the first position, the sealing component seals the air outlet of the first air inlet pipe, and when the drive motor rotates to the second position, the sealing component seals the air outlet of the second air inlet pipe.

[0012] Optionally, the sealing element is a plate-shaped structure; the air outlet of the first air inlet pipe forms a first inclined surface, and the inclination angle of the first inclined surface is the same as the inclination angle of the sealing element when the drive motor rotates to the first position; the air outlet of the second air inlet pipe forms a second inclined surface, and the inclination angle of the second inclined surface is the same as the inclination angle of the sealing element when the drive motor rotates to the second position.

[0013] Optionally, the sealing element is a hemispherical structure; the air outlet of the first air inlet pipe forms a first arc surface, which is adapted to the outer spherical surface of the sealing element; the air outlet of the second air inlet pipe forms a second arc surface, which is adapted to the outer spherical surface of the sealing element.

[0014] This invention also provides a control method for a single-fan, dual-duct switching dehumidifier and purifier integrated machine, applicable to the single-fan, dual-duct switching dehumidifier and purifier integrated machine as described above, the method comprising: Acquire real-time humidity information, real-time air quality information, and workstation status information of switching components; According to the real-time humidity information, the preset humidity threshold, the real-time air quality information and the preset air quality threshold, first control information is obtained, and the first control information comprises dehumidification control information and purification control information. According to the first control information and the station state information, second control information is obtained, and the second control information comprises first station control information, second station control information and stop control information. When the first control information is the dehumidification control information and the second control information is the second station control information, the driving motor is controlled to drive the blocking piece to seal the air outlet of the second air inlet pipe, the fan and the compressor are controlled to be turned on, and single dehumidification processing is performed. When the first control information is the dehumidification control information and the second control information is the stop control information, the fan and the compressor are controlled to be turned on, and single dehumidification processing is performed. When the first control information is the purification control information and the second control information is the first station control information, the driving motor is controlled to drive the blocking piece to seal the air outlet of the first air inlet pipe, the fan is controlled to be turned on, and single purification processing is performed. When the first control information is the purification control information and the second control information is the stop control information, the fan is controlled to be turned on, and single purification processing is performed.

[0015] The above scheme of the present application at least has the following beneficial effects: The above scheme of the present application switches the on-off state of the first air inlet pipe and the second air inlet pipe through the switching assembly, and realizes separate dehumidification and purification by cooperating with the fan, the dehumidification assembly and the purification assembly, so that the dehumidification efficiency is ensured and the bacteria breeding of the purification assembly is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a first perspective view of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by an embodiment of the present application; Figure 2 is a second perspective view of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by an embodiment of the present application; Figure 3 is a right side sectional view of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by an embodiment of the present application; Figure 4 is a schematic view of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by an embodiment of the present application; Figure 5 is a schematic view of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by an embodiment of the present application; Figure 6is the schematic view of the initial state of a single-fan double-air-duct switching type dehumidification and purification all-in-one machine provided by the embodiment of the present application; Figure 7 is the structural schematic view of the switching assembly in the single-fan double-air-duct switching type dehumidification and purification all-in-one machine according to the first embodiment of the present application; Figure 8 is the structural schematic view of the switching assembly in the single-fan double-air-duct switching type dehumidification and purification all-in-one machine according to the second embodiment of the present application.

[0017] The sign of the drawing is explained as follows: 1, main machine shell; 11, first air inlet hole; 12, air outlet groove; 13, water collecting cavity; 14, dismounting plate; 15, mounting cavity; 16, second air inlet cavity; 17, air outlet cavity; 18, first air inlet cavity; 21, water collecting box; 22, evaporator; 23, condenser; 24, compressor; 31, first filter screen; 32, second filter screen; 4, first box body; 41, first air inlet pipe; 42, first plate body; 43, air outlet pipe; 5, second box body; 51, second air inlet pipe; 52, first placing cavity; 53, second placing cavity; 6, switching assembly; 61, plugging piece; 62, rotating shaft; 63, driving motor; 7, fan; 8, third box body; 81, second plate body; 82, water collecting groove; 83, water guide pipe; 91, first mounting position; 92, second mounting position. DETAILED DESCRIPTION

[0018] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0019] As Figures 1 to 7 shown, the embodiment of the present application provides a single-fan double-air-duct switching type dehumidification and purification all-in-one machine, which comprises: a main machine shell 1, the main machine shell 1 is provided with a first air inlet cavity 18, a second air inlet cavity 16 and an air outlet cavity 17 which are independent of each other; a fan 7, the fan 7 is arranged in the main machine shell 1, the suction end of the fan 7 is sealingly connected with the air outlet cavity 17, and the air outlet end of the fan 7 faces the outside; a dehumidification assembly, the dehumidification assembly is arranged in the first air inlet cavity 18; a purification assembly, the purification assembly is arranged in the second air inlet cavity 16; a first air inlet pipe 41, the first air inlet pipe 41 communicates the first air inlet cavity 18 and the air outlet cavity 17; A second air inlet pipe 51 is connected with the second air inlet cavity 16 and the air outlet cavity 17. A switching assembly 6 is arranged between the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 51. When the switching assembly 6 is in the first position, the air outlet of the first air inlet pipe 41 is sealed and the air outlet of the second air inlet pipe 51 is opened. When the switching assembly 6 is in the second position, the air outlet of the second air inlet pipe 51 is sealed and the air outlet of the first air inlet pipe 41 is opened.

[0020] In this embodiment, the control circuit board is arranged in the main housing 1, and the control panel is embedded on the surface of the main housing 1 and electrically connected with the control circuit board, so as to realize manual control, such as switching on / off and mode conversion. The humidity sensor is arranged in the first air inlet cavity 18 and electrically connected with the control circuit board, so as to detect and transmit the real-time humidity information of the external air. The air quality sensor is arranged in the second air inlet cavity 16 and electrically connected with the control circuit board, so as to detect and transmit the real-time air quality information of the external air. The display screen is embedded on the surface of the main housing 1 and electrically connected with the control circuit board, so as to display the real-time humidity information, the real-time air quality information and the control operation suggestion. The control circuit board is electrically connected with the switching assembly 6, so as to control the switching assembly 6 to switch between the first position and the second position. The control circuit board is electrically connected with the dehumidification assembly, so as to control the working state of the dehumidification assembly. The control circuit board is electrically connected with the fan 7, so as to control the working state of the fan 7. When the control panel is adjusted to the manual mode, the user needs to manually operate the dehumidification and purification through the control panel; specifically, when the real-time humidity information is greater than the preset humidity threshold, the display screen displays the real-time humidity information and a suggestion of performing dehumidification treatment, the user manually starts the dehumidification mode through the control panel, the control circuit board controls the switching assembly 6 to be in the second station, so that the air outlet of the second air inlet pipe 51 is sealed and the air outlet of the first air inlet pipe 41 is opened, and the control circuit board controls the dehumidification assembly and the fan 7 to be started, the fan 7 is started, so that the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, the outside air enters the first air inlet cavity 18, the outside air is dehumidified by the dehumidification assembly, the air after the dehumidification treatment is discharged to the outside through the air outlet cavity 17 and the fan 7, and the dehumidification treatment is realized; when the real-time air quality information is greater than the preset air quality threshold, the display screen displays the real-time air quality information and a suggestion of performing purification treatment, the user manually starts the purification mode through the control panel, the control circuit board controls the switching assembly 6 to be in the first station, the outlet of the second air inlet pipe 51 is opened, and the air outlet of the first air inlet pipe 41 is sealed, and the control circuit board controls the fan 7 to be started, so that the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, the outside air enters the second air inlet cavity 16, the outside air is purified by the purification assembly, the air after the purification treatment is discharged to the outside through the air outlet cavity 17 and the fan 7, and the purification treatment is realized; when the real-time humidity information is greater than the preset humidity threshold and the real-time air quality information is greater than the preset air quality threshold, the display screen displays the real-time humidity information and the real-time air quality information, and the display screen displays a suggestion of performing the dehumidification treatment first and then performing the purification treatment, the operator starts the dehumidification mode through the control panel, the control circuit board alarms when the real-time humidity information is less than the preset humidity threshold, and the user is reminded to perform the purification treatment, the operator starts the purification mode through the control panel, and the control circuit board stops working when the real-time air quality information is less than the preset air quality threshold; When the control panel is adjusted to the automatic mode, the humidity sensor detects the humidity of the outside air and transmits the real-time humidity information to the control circuit board, and the air quality sensor detects the air quality of the outside air and transmits the real-time air quality information to the control circuit board; when the real-time humidity information is greater than the preset humidity information, the control circuit board controls the switching assembly 6 to be in the second station, controls the fan 7 and the dehumidification assembly to be started, and performs the automatic dehumidification mode until the real-time humidity information is less than the preset humidity threshold; when the real-time air quality information is greater than the preset air quality threshold, the control circuit board controls the switching assembly 6 to be in the first station, controls the fan 7 to be started, and performs the automatic purification mode until the real-time air quality information is less than the preset air quality threshold; when the real-time humidity information is greater than the preset humidity information and the real-time air quality information is greater than the preset air quality threshold, the control circuit board first controls the automatic dehumidification mode to be performed until the real-time humidity information is less than the preset humidity threshold, and then controls the automatic purification mode to be performed until the real-time air quality information is less than the preset air quality threshold. By switching the on-off state of the first air inlet pipe 41 and the second air inlet pipe 51 through the switching assembly 6, the dehumidification and purification are separately performed in cooperation with the fan 7, the dehumidification assembly and the purification assembly, so that the dehumidification efficiency is ensured, and the bacteria breeding of the purification assembly is avoided; the single fan 7 can realize the dehumidification and purification requirements, the cost is greatly reduced, the single fan 7 works, which helps to reduce the operation noise, the dehumidification and purification are separately performed, the dehumidification effect and efficiency can be improved, and the purification effect and efficiency can be improved.

[0021] As shown in Figure 3 An optional embodiment of the present application, the dehumidification assembly comprises: The evaporator 22 is arranged in the first air inlet cavity 18; The condenser 23 is arranged in the first air inlet cavity 18, and the condenser 23 is close to the air inlet end of the first air inlet pipe 41; The compressor 24 is arranged at the inner bottom of the main machine shell 1, and the compressor 24, the evaporator 22 and the condenser 23 are sequentially connected by copper pipes to form a refrigerant flow channel.

[0022] In this embodiment, the throttling assembly is arranged between the condenser 23 and the evaporator 22, the compressor 24 compresses the low-temperature and low-pressure gaseous refrigerant, and sends the high-temperature and high-pressure gaseous refrigerant formed by compression into the condenser 23; the air can be heated when passing through the condenser 23, the refrigerant releases heat, and the gaseous refrigerant is condensed into high-pressure liquid refrigerant; the high-pressure liquid refrigerant passes through the narrow throttling port of the throttling assembly, the pressure drops sharply, and the temperature drops significantly, becoming low-temperature and low-pressure gas-liquid mixed refrigerant; the low-temperature and low-pressure gas-liquid mixed refrigerant enters the evaporator 22; when the air passes through the evaporator 22, the evaporator 22 absorbs the heat of the air, the refrigerant is completely evaporated, and becomes low-temperature and low-pressure gas; the air loses heat and the temperature drops, and the water vapor condenses into water; the low-temperature and low-pressure gas enters the compressor 24 again, forming a cycle; When dehumidifying, the outside air enters the first air inlet cavity 18, and the outside air first contacts the evaporator 22; the outside air loses heat and the temperature drops, and the water vapor in the air condenses into water; the air with the dropped temperature contacts the condenser 23 again, and the air is heated; the dry air after heating is discharged to the outside through the first air inlet pipe 41, the air outlet cavity 17 and the fan 7, and the dehumidification treatment of the outside air is completed.

[0023] As shown in Figures 4 to 6 An optional embodiment of the present application, the single-fan double-air-duct switching type dehumidification and purification integrated machine further comprises: The second box body 5 is formed on the second inner wall of the main machine shell 1, and the second air inlet cavity 16 is formed in the second box body 5; the second air inlet pipe 51 is formed on the side of the second box body 5 away from the second inner wall of the main machine shell 1; The first box body 4 is connected with the second box body 5, and the first box body 4 and the second box body 5 form an air outlet cavity 17; the inner wall of the first box body 4 close to the second box body 5 is formed with a first air inlet pipe 41; the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 51 are located in the air outlet cavity 17; The third box body 8 is connected with the bottom surface of the first box body 4, and the first box body 4, the third box body 8, the inner bottom of the main machine shell 1 and the second inner wall of the main machine shell 1 form a mounting cavity 15 for mounting the compressor 24; The first plate body 42 is formed on the upper portion of the first box body 4; The second plate body 81 is formed on the upper portion of the third box body 8; The first plate body 42, the first inner wall of the main machine shell 1, the second plate body 81 and the first box body 4 form a first air inlet cavity 18; The first plate body 42 and the second plate body 81 form a first mounting position 91 for fixing the evaporator 22 and a second mounting position 92 for fixing the condenser 23.

[0024] In the embodiment, the first air inlet cavity 18, the second air inlet cavity 16 and the air outlet cavity 17 are formed by the cooperation of the first box body 4, the second box body 5, the third box body 8, the first plate body 42 and the second plate body 81 and the main machine shell 1, so as to ensure the sealing of the cavities in the main machine shell 1, avoid leakage and ensure the dehumidification and purification effect and efficiency; The first plate body 42 and the second plate body 81 form the first mounting position 91 for fixing the evaporator 22 and the second mounting position 92 for fixing the condenser 23, so as to ensure the stability of the installation of the evaporator 22 and the condenser 23.

[0025] As shown in Figure 1 , Figure 3 , Figure 5 and Figure 6 , in an optional embodiment of the present application, the single-fan double-air-duct switching type dehumidification and purification integrated machine further comprises: The water collecting cavity 13 is formed between the second plate body 81, the third box body 8 and the inner bottom surface of the main machine shell 1, and penetrates the first inner wall of the main machine shell 1; The water collecting box 21 is detachably clamped in the water collecting cavity 13; The water collecting groove 82 is formed on the surface of the second plate body 81, and the water collecting groove 82 is located below the evaporator 22; The water guide pipe 83 is formed on the bottom surface of the first plate body 42, the first end of the water guide pipe 83 communicates with the water collecting groove 82, and the second end of the water guide pipe 83 extends into the inner cavity of the water collecting box 21.

[0026] In this embodiment, the water collecting groove 82 can collect the condensed water outside the evaporator 22, and guide the water to the water collecting box 21 through the water guide pipe 83; the water collecting box 21 is detachably fixed with the water collecting cavity 13, so that the water collecting box 21 can be easily detached, and the water can be easily poured out.

[0027] As shown in Figures 1 to 6 In an optional embodiment of the present application, the single-fan double-air-duct switching type dehumidifying and purifying all-in-one machine further comprises: The air outlet pipe 43 is formed on the top of the first box body 4, the first end of the air outlet pipe 43 is in communication with the air outlet cavity 17, and the second end of the air outlet pipe 43 is sealingly inserted into the air suction end of the fan 7; The air outlet groove 12 is formed on the surface of the main machine shell 1, and the air outlet groove 12 corresponds to the air outlet end of the fan 7; The plurality of first air inlet holes 11 are penetratingly arranged on the first inner wall of the main machine shell 1, and the plurality of first air inlet holes 11 are in communication with the first air inlet cavity 18; The clamping cavity is penetratingly arranged on the second inner wall of the main machine shell 1, and the clamping cavity is in communication with the second air inlet cavity 16; The detachable plate 14 is detachably clamped in the clamping cavity, and the surface of the detachable plate 14 is penetratingly provided with a plurality of second air inlet holes, and the plurality of second air inlet holes are in communication with the second air inlet cavity 16.

[0028] In this embodiment, the second end of the air outlet pipe 43 is sealingly inserted into the air suction end of the fan 7, so as to ensure the sealing between the air outlet end of the fan 7 and the air outlet cavity 17, and ensure the negative pressure effect in the air outlet cavity 17, thereby helping to improve the dehumidifying and purifying effect and efficiency; The plurality of first air inlet holes 11 facilitate the external air to enter the first air inlet cavity 18; the plurality of second air inlet holes facilitate the external air to enter the second air inlet cavity 16; and the detachable plate 14 is detachably clamped in the clamping cavity, so as to facilitate the detachment of the detachable plate 14, the opening of the second air inlet cavity 16, and the detachment and replacement of the first filter screen 31 and the second filter screen 32.

[0029] As shown in Figure 3 and Figure 5 In an optional embodiment of the present application, the purifying assembly comprises: The first filter screen 31 is clamped in the first placing cavity 52 of the second box body 5, and is used for blocking fine particulate matters in the air; The second filter screen 32 is clamped in the second placing cavity 53 of the second box body 5, and is used for adsorbing odors and harmful gases, and the second filter screen 32 is close to the air inlet end of the second air inlet pipe 51.

[0030] In this embodiment, the first filter screen 31 is a HEPA filter screen (High Efficiency Particulate Air Filter), which is formed by unordered interweaving of superfine fibers (such as glass fibers and polypropylene) into a mesh structure, and can block small particulate matters in external air by using physical mechanisms such as interception, gravitational sedimentation, airflow action and Van der Waals force for synergistic filtration; the second filter screen 32 is an activated carbon filter screen, which is loaded with high-efficiency catalytic activated carbon in a through-hole structure, has the characteristics of large specific surface area, high adsorption efficiency, small wind resistance coefficient and low energy consumption, and can remove volatile organic compounds (TVOC) such as formaldehyde, toluene and hydrogen sulfide, and trace heavy metals; the first filter screen 31 blocks small particulate matters in air, the second filter screen 32 adsorbs odors and harmful gases, and the first filter screen 31 and the second filter screen 32 cooperate to realize purification of external air.

[0031] As shown in Figures 5 to 7 In an optional embodiment of the present application, the switching assembly 6 includes: A rotating shaft 62 is rotatably installed in the first box body 4; A driving motor 63 is installed outside the first box body 4, and an output end of the driving motor 63 is connected with the rotating shaft 62; A blocking piece 61 is connected with the rotating shaft 62, and the blocking piece 61 is located between the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 51; when the driving motor 63 rotates to a first position, the blocking piece 61 seals the air outlet of the first air inlet pipe 41; and when the driving motor 63 rotates to a second position, the blocking piece 61 seals the air outlet of the second air inlet pipe 51.

[0032] In this embodiment, the driving motor 63 drives the rotating shaft 62 to rotate, thereby driving the blocking piece 61 to rotate; when the driving motor 63 rotates to the first position, the blocking piece 61 seals the air outlet of the first air inlet pipe 41; and when the driving motor 63 rotates to the second position, the blocking piece 61 seals the air outlet of the second air inlet pipe 51; the driving motor 63, the rotating shaft 62 and the blocking piece 61 realize switching of the opening state of the first air inlet pipe 41 and the second air inlet pipe 51, so that only the dehumidification treatment or the purification treatment is performed, and the dehumidification treatment and the purification treatment are avoided from being simultaneously performed to cause the purification assembly to be damp and breed bacteria.

[0033] In a specific application, the first air inlet pipe 41 and the second air inlet pipe 51 are coaxially arranged, and the blocking piece 61 is located at the middle part between the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 51, which can ensure the sealing effect of the blocking piece 61 on the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 43; the air outlet of the first air inlet pipe 41 is provided with a first pressure sensor, and the air outlet of the second air inlet pipe 51 is provided with a second pressure sensor; when the blocking piece 61 seals the air outlet of the first air inlet pipe 41, the first pressure sensor is triggered; when the blocking piece 61 seals the air outlet of the second air inlet pipe 51, the second pressure sensor is triggered; the position detection of the blocking piece 61 is realized through the first pressure sensor and the second pressure sensor, and the work station state information of the switching assembly 6 is realized.

[0034] In the embodiment, the sealing of the blocking piece 61 on the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 43 driven by the driving motor 63 and the rotating shaft 62 is taken as an example; in a specific application, the driving screw can also be driven, and the sealing of the blocking piece 61 on the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 43 is realized through the threaded transmission between the screw and the blocking piece 61; other driving movement modes can also be used to realize the sealing of the blocking piece 61 on the air outlet of the first air inlet pipe 41 and the air outlet of the second air inlet pipe 43.

[0035] As shown in the figure, Figure 7 In an optional embodiment of the present application, the blocking piece 61 is a plate-shaped structure; the air outlet of the first air inlet pipe 41 forms a first inclined surface, and the inclination angle of the first inclined surface is the same as the inclination angle of the blocking piece 61 when the driving motor 63 rotates to the first position; the air outlet of the second air inlet pipe 51 forms a second inclined surface, and the inclination angle of the second inclined surface is the same as the inclination angle of the blocking piece 61 when the driving motor 63 rotates to the second position.

[0036] In the embodiment, the air outlet of the first air inlet pipe 41 forms a first inclined surface, and the air outlet of the second air inlet pipe 51 forms a second inclined surface; when the blocking piece 61 seals the air outlet of the first air inlet pipe 41, the second inclined surface and the blocking piece 61 form a V-shaped guide structure, and the air in the second air inlet pipe 51 can be guided to the air suction end of the fan 7 through the blocking piece 61, so as to ensure smooth air outlet; when the blocking piece 61 seals the air outlet of the second air inlet pipe 51,

[0037] As shown in the figure, Figure 8As shown, in an optional embodiment of the present application, the blocking piece 61 is a hemispherical structure; the air outlet of the first air inlet pipe 41 forms a first arc surface, which is matched with the outer spherical surface of the blocking piece 61; the air outlet of the second air inlet pipe 51 forms a second arc surface, which is matched with the outer spherical surface of the blocking piece 61.

[0038] In this embodiment, the blocking piece 61 is a hemispherical structure; the air outlet of the first air inlet pipe 41 forms a first arc surface, which is matched with the outer spherical surface of the blocking piece 61; the air outlet of the second air inlet pipe 51 forms a second arc surface, which is matched with the outer spherical surface of the blocking piece 61; which can ensure that the blocking piece 61 is in full contact with the air outlets of the first air inlet pipe 41 and the second air inlet pipe 51, and ensure the sealing effect of the blocking piece 61 on the air outlets of the first air inlet pipe 41 and the second air inlet pipe 51.

[0039] Single-fan double-air-duct switching type dehumidification and purification integrated machine working process: The humidity sensor detects the humidity of the external air and transmits real-time humidity information to the control circuit board, and the air quality sensor detects the air quality of the external air and transmits real-time air quality information to the control circuit board. When the real-time humidity information is greater than the preset humidity information, the control circuit board controls the driving motor 63 to rotate to the second position, seals the air outlet end of the second air inlet pipe 51 through the blocking piece 61, and controls the fan 7 and the compressor 24 to be turned on. The external air enters the first air inlet cavity 18, and the external air first contacts the evaporator 22, loses heat, and the temperature drops. The water vapor in the air condenses into water, and the temperature of the air drops again. The dry air after heating is discharged to the outside through the first air inlet pipe 41, the air outlet cavity 17 and the fan 7, and the external air is dehumidified until the real-time humidity information is less than the preset humidity threshold. When the real-time air quality information is greater than the preset air quality threshold, the control circuit board controls the driving motor 63 to rotate to the first position, seals the air outlet of the first air inlet pipe 41 through the blocking piece 61, and controls the fan 7 to be turned on. The external air enters the second air inlet cavity 16, and the fine particulate matter in the air is blocked by the first filter screen 31, and the odor and harmful gas are adsorbed by the second filter screen 32, and the first filter screen 31 and the second filter screen 32 cooperate to purify the external air until the real-time air quality information is less than the preset air quality threshold. When the real-time humidity information is greater than the preset humidity information, and the real-time air quality information is greater than the preset air quality threshold, the control circuit board first controls the automatic dehumidification mode until the real-time humidity information is less than the preset humidity threshold, and then controls the automatic purification mode until the real-time air quality information is less than the preset air quality threshold. By separately performing the dehumidification mode or the purification mode, it is ensured that the dehumidification and the purification can be performed at the same time, the dehumidification and the purification are avoided from being simultaneously performed, bacteria breeding due to the contact between the purification assembly and the humid air is avoided, and the purification effect and the service life of the purification assembly are ensured.

[0040] The embodiment of the present application also provides a single-fan double-air-duct switching type dehumidification and purification integrated machine control method, which is applied to the single-fan double-air-duct switching type dehumidification and purification integrated machine of any one of the above embodiments, and the method comprises the following steps: In step 81, real-time humidity information, real-time air quality information and work position state information of the switching assembly 6 of external air are obtained. In step 82, first control information is obtained according to the real-time humidity information, a preset humidity threshold, the real-time air quality information and a preset air quality threshold; the first control information comprises dehumidification control information and purification control information. In step 83, second control information is obtained according to the first control information and the work position state information; the second control information comprises first work position control information, second work position control information and stop control information. In step 84, when the first control information is the dehumidification control information and the second control information is the second work position control information, the driving motor 63 is controlled to drive the blocking piece 61 to seal the air outlet of the second air inlet pipe 51, the fan 7 and the compressor are controlled to be started, and single dehumidification processing is performed. In step 85, when the first control information is the dehumidification control information and the second control information is the stop control information, the fan 7 and the compressor are controlled to be started, and single dehumidification processing is performed. In step 86, when the first control information is the purification control information and the second control information is the first work position control information, the driving motor 63 is controlled to drive the blocking piece 61 to seal the air outlet of the first air inlet pipe 41, the fan 7 is controlled to be started, and single purification processing is performed. In step 87, when the first control information is the purification control information and the second control information is the stop control information, the fan 7 is controlled to be started, and single purification processing is performed.

[0041] In this embodiment, the real-time humidity information, the real-time air quality information and the work position state information of the switching assembly 6 of external air are obtained; specifically, the real-time humidity information of external air is detected by a humidity sensor; the real-time air quality information of external air is detected by an air quality sensor; the work position state information of the switching assembly 6 is detected by a first pressure sensor at the air outlet of the first air inlet pipe 41 and a second pressure sensor at the air outlet of the second air inlet pipe 51; when the first pressure sensor is triggered, the switching assembly 6 is located at the first work position; when the second pressure sensor is triggered, the switching assembly 6 is located at the second work position. According to the real-time humidity information, the preset humidity threshold, the real-time air quality information, and the preset air quality threshold, first control information is obtained; the first control information includes dehumidification control information, purification control information, and comprehensive control information; specifically, only when the real-time humidity information is greater than the preset humidity threshold, or the real-time humidity information is greater than the preset humidity threshold and the real-time air quality information is greater than the preset air quality threshold, the first control information is the dehumidification control information; only when the real-time air quality information is greater than the preset air quality threshold, the first control information is the purification control information; According to the first control information and the station state information, second control information is obtained; the second control information includes first station control information, second station control information, and stop control information; specifically, when the first control information is the dehumidification control information and the station state information is that the switching assembly 6 is located at the first station, the second control information is the second station control information; when the first control information is the dehumidification control information and the station state information is that the switching assembly 6 is located at the second station, the second control information is the stop control information; when the first control information is the purification control information and the station state information is that the switching assembly 6 is located at the first station, the second control information is the stop control information; when the first control information is the purification control information and the station state information is that the switching assembly 6 is located at the second station, the second control information is the first station control information; Step 84, when the first control information is the dehumidification control information and the second control information is the second station control information, the driving motor 63 is controlled to drive the blocking piece 61 to seal the air outlet of the second air inlet pipe 51, and the fan 7 and the compressor 24 are controlled to be turned on for single dehumidification treatment; which can include: When the first control information is the dehumidification control information, dehumidification treatment is needed; the second control information is the second station control information, the switching assembly needs to be switched to the second station, the driving motor 63 is controlled to rotate to the direction of the air outlet of the second air inlet pipe 51 by a preset angle until the second pressure sensor located at the air outlet of the second air inlet pipe 51 is triggered, so that the blocking piece 61 seals the air outlet of the second air inlet pipe 51; the fan 7 and the compressor 24 are controlled to be turned on, the fan 7 is turned on, so that the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, external air enters the first air inlet cavity 18, the external air first contacts the evaporator 22, the external air loses heat and the temperature drops, the water vapor in the air condenses into water, and the air with a decreased temperature contacts the condenser 23 again to heat the air. The dry air after heating is discharged to the outside through the first air inlet pipe 41, the air outlet cavity 17, and the fan 7 for single dehumidification treatment; Step 85, when the first control information is the dehumidification control information and the second control information stops the control information, the fan 7 and the compressor 24 are controlled to be turned on for single dehumification treatment; which can include: When the first control information is dehumidification control information, dehumidification needs to be performed; when the second control information is stop control information, the switching assembly is located at the second station, and the station state of the switching assembly does not need to be converted; the fan 7 and the compressor 24 are controlled to be turned on, the fan 7 is turned on, the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, external air enters the first air inlet cavity 18, the external air first contacts the evaporator 22, the external air loses heat, the temperature of the air is lowered, the water vapor in the air is condensed into water, and the air whose temperature is lowered contacts the condenser 23 again to heat the air, the dry air after being heated is discharged to the outside through the first air inlet pipe 41, the air outlet cavity 17 and the fan 7, and single dehumidification is performed; When the first control information is dehumidification control information, dehumidification needs to be performed; when the second control information is stop control information, the switching assembly is located at the second station, and the station state of the switching assembly does not need to be converted; the fan 7 and the compressor 24 are controlled to be turned on, the fan 7 is turned on, the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, external air enters the first air inlet cavity 18, the external air first contacts the evaporator 22, the external air loses heat, the temperature of the air is lowered, the water vapor in the air is condensed into water, and the air whose temperature is lowered contacts the condenser 23 again to heat the air, the dry air after being heated is discharged to the outside through the first air inlet pipe 41, the air outlet cavity 17 and the fan 7, and single dehumidification is performed; When the first control information is dehumidification control information, dehumidification needs to be performed; when the second control information is stop control information, the switching assembly is located at the second station, and the station state of the switching assembly does not need to be converted; the fan 7 and the compressor 24 are controlled to be turned on, the fan 7 is turned on, the air outlet cavity 17 is in a negative pressure state, under the action of the negative pressure, external air enters the first air inlet cavity 18, the external air first contacts the evaporator 22, the external air losses heat, the temperature of the air is lowered, the water vapor in the air is condensed into the water, and the air whose temperature is lowered contacts the condenser 23 again to heat the dry air, and the dry air after being heated is discharged to the outside through the first air inlet pipe 41 and the air outlet cavity 17, and single dehumidification is performed; When the first control information is dehumidification control information, dehumidification needs be performed; when the second control information is stop control information, the switching assembly is located at a first station, and the station state of the switching assembly does not need to be converted; the fan is controlled to be turned on, the fan is turned on, the air outlet cavity is in a negative pressure state, under the action of the negative pressure, external air enters the second air inlet cavity, passes through the first filter screen to block fine particulate matters in the air, passes through the second filter screen to adsorb odors and harmful gases, and the first filter screen and the second filter screen cooperate to purify the external air, and single purification is performed. When the first control information is dehumidification control information, dehumidification needs is performed; when the second control information is stop control information, the switching assembly is located at a second station, and the station state of the switching assembly does not need to be converted; the compressor and the fan are controlled to be turned on, the fan is turned on, the air outlet cavity is in a positive pressure state, under the action of the positive pressure, external air enters the first air inlet cavity, the external air first contacts the evaporator, the external air loses heat, the temperature of the air is lowered, the water vapor in air is condensed into water, and the air whose temperature is lowered contacts the condenser again to heat the air, the dry air after being heated is discharged to the outside through the air inlet pipe, the air outlet cavity and the fan, and single dehumidification is performed.

[0042] By separately performing the dehumidification mode or the purification mode, it is ensured that dehumidification and purification can be performed at the same time, and the dehumidification and the purification are avoided from being performed simultaneously, so that bacteria are avoided from breeding due to the contact between the purification assembly and the humid air, and the purification effect and the service life of the purification assembly are ensured.

[0043] The above is the preferred embodiment of the present application, it should be noted that for those skilled in the art, without departing from the principles described in the present application, can also be made several improvements and refinements, these improvements and refinements should also be considered the scope of protection of the present application.

Claims

1. A single-fan, dual-duct switching dehumidifier and purifier, characterized in that, include: The main unit housing (1) is provided with a first air inlet chamber (18), a second air inlet chamber (16) and an air outlet chamber (17) that are independent of each other. A fan (7) is installed inside the main unit housing (1). The exhaust end of the fan (7) is sealed to the exhaust chamber (17). The exhaust end of the fan (7) faces the outside. A dehumidification assembly is disposed within the first air inlet cavity (18); A purification component is disposed within the second air inlet chamber (16); The first air inlet pipe (41) connects the first air inlet cavity (18) and the air outlet cavity (17). The second air inlet pipe (51) connects the second air inlet cavity (16) and the air outlet cavity (17). The switching component (6) is located between the air outlet of the first air inlet pipe (41) and the air outlet of the second air inlet pipe (51). When the switching component (6) is located at the first working position, the air outlet of the first air inlet pipe (41) is sealed and the air outlet of the second air inlet pipe (51) is open. When the switching component (6) is located at the second working position, the air outlet of the second air inlet pipe (51) is sealed and the air outlet of the first air inlet pipe (41) is open.

2. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 1, characterized in that, The dehumidification component includes: Evaporator (22), the evaporator (22) is disposed in the first air inlet chamber (18); A condenser (23) is disposed in the first air inlet chamber (18) and the condenser (23) is close to the air inlet end of the first air inlet pipe (41); The compressor (24) is located at the bottom of the main unit housing (1). The compressor (24), the evaporator (22) and the condenser (23) are connected in sequence by copper pipes to form a refrigerant flow channel.

3. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 2, characterized in that, Also includes: The second box (5) is formed on the second inner wall of the main unit housing (1). A second air inlet cavity (16) is formed inside the second box (5). A second air inlet pipe (51) is formed on the side of the second inner wall of the second box (5) away from the main unit housing (1). The first box (4) is connected to the second box (5), and an air outlet cavity (17) is formed between the first box (4) and the second box (5). The first box (4) is formed with a first air inlet pipe (41) near the inner wall of the second box (5). The air outlet of the first air inlet pipe (41) and the air outlet of the second air inlet pipe (51) are located in the air outlet cavity (17). The third box (8) is connected to the bottom surface of the first box (4). The first box (4), the third box (8), the bottom of the main unit housing (1), and the second inner wall of the main unit housing (1) form an installation cavity (15) for installing the compressor (24). The first plate (42) is formed on the upper part of the first box (4); The second plate (81) is formed on the upper part of the third box (8); A first air inlet cavity (18) is formed between the first plate (42), the first inner wall of the main unit casing (1), the second plate (81), and the first box (4). A first mounting position (91) for fixing the evaporator (22) and a second mounting position (92) for fixing the condenser (23) are formed between the first plate (42) and the second plate (81).

4. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 3, characterized in that, Also includes: Water collection cavity (13) is formed between the inner bottom surface of the second plate (81), the third box (8) and the main body shell (1), and the water collection cavity (13) penetrates the first inner wall of the main body shell (1); Water collection box (21), which is detachably snapped into the water collection cavity (13); A water collection tank (82) is formed on the surface of the second plate (81) and is located below the evaporator (22); Water guide pipe (83) is formed on the bottom surface of the first plate (42). The first end of the water guide pipe (83) is connected to the water collection tank (82), and the second end of the water guide pipe (83) extends into the inner cavity of the water collection box (21).

5. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 3, characterized in that, Also includes: Air outlet pipe (43), the air outlet pipe (43) is formed on the top of the first box body (4), the first end of the air outlet pipe (43) is connected to the air outlet cavity (17), and the second end of the air outlet pipe (43) is sealed and inserted into the exhaust end of the fan (7); Air outlet groove (12), the air outlet groove (12) is formed on the surface of the main unit housing (1), and the air outlet groove (12) corresponds to the air outlet end of the fan (7); Multiple first air inlets (11) are provided through the first inner wall of the main unit housing (1), and the multiple first air inlets (11) are connected to the first air inlet cavity (18); The mounting cavity is disposed through the second inner wall of the main unit housing (1) and is connected to the second air inlet cavity (16); The disassembly plate (14) is detachably snapped into the snap-fit ​​cavity. The surface of the disassembly plate (14) is provided with multiple second air inlets, which are connected to the second air inlet cavity (16).

6. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 3, characterized in that, The purification component includes: The first filter (31) is used to block fine particulate matter in the air and is fitted into the first placement cavity (52) of the second housing (5); The second filter (32) is used to adsorb odors and harmful gases. The second filter (32) is installed in the second placement cavity (53) of the second box (5). The second filter (32) is close to the air inlet end of the second air inlet pipe (51).

7. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 3, characterized in that, The switching component (6) includes: A rotating shaft (62) is rotatably mounted inside the first housing (4); A drive motor (63) is connected to the first housing (4), and the output end of the drive motor (63) is connected to the rotating shaft (62); The sealing component (61) is connected to the rotating shaft (62). The sealing component (61) is located between the air outlet of the first air inlet pipe (41) and the air outlet of the second air inlet pipe (51). When the drive motor (63) rotates to the first position, the sealing component (61) seals the air outlet of the first air inlet pipe (41). When the drive motor (63) rotates to the second position, the sealing component (61) seals the air outlet of the second air inlet pipe (51).

8. The single-fan dual-duct switching dehumidifier and purifier integrated machine according to claim 7, characterized in that, The sealing element (61) is a plate-shaped structure; the air outlet of the first air inlet pipe (41) forms a first inclined surface, and the inclination angle of the first inclined surface is the same as the inclination angle of the sealing element (61) when the drive motor (63) rotates to the first position; the air outlet of the second air inlet pipe (51) forms a second inclined surface, and the inclination angle of the second inclined surface is the same as the inclination angle of the sealing element (61) when the drive motor (63) rotates to the second position.

9. The single-fan, dual-duct switching dehumidifier and purifier integrated machine according to claim 7, characterized in that, The sealing element (61) has a hemispherical structure; the air outlet of the first air inlet pipe (41) forms a first arc surface, which is adapted to the outer spherical surface of the sealing element (61); the air outlet of the second air inlet pipe (51) forms a second arc surface, which is adapted to the outer spherical surface of the sealing element (61).

10. A control method for a single-fan, dual-duct switching dehumidifier and purifier integrated machine, applied to the single-fan, dual-duct switching dehumidifier and purifier integrated machine as described in any one of claims 1 to 9, the method comprising: Acquire real-time humidity information, real-time air quality information and workstation status information of the switching component (6) of the outside air; Based on the real-time humidity information, the preset humidity threshold, the real-time air quality information, and the preset air quality threshold, the first control information is obtained; The first control information includes: dehumidification control information and purification control information; Based on the first control information and the workstation status information, the second control information is obtained; the second control information includes: the first workstation control information, the second workstation control information, and the stop control information; When the first control information is dehumidification control information and the second control information is second station control information, the control drive motor (63) drives the sealing component (61) to seal the air outlet of the second air inlet pipe (51), and the control fan (7) and compressor (24) are turned on to perform single dehumidification treatment; When the first control information is dehumidification control information and the second control information is stop control information, the control fan (7) and compressor (24) are turned on to perform single dehumidification treatment; When the first control information is purification control information and the second control information is the first workstation control information, the control drive motor (63) drives the sealing component (61) to seal the air outlet of the first air inlet pipe (41), and the control fan (7) is turned on to perform single purification treatment; When the first control information is purification control information and the second control information is stop control information, the control fan (7) is turned on to perform single purification treatment.

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