CN109373746B - Drying system, control method and device thereof and storage medium - Google Patents

Abstract

The invention provides a drying system, a control method, a control device and a storage medium thereof, wherein the drying system comprises: dehumidifier and dryer; the drying device comprises a shell, and a second air inlet and a second air outlet are formed in the shell; the second air inlet is communicated with the first air outlet of the dehumidifier, and the second air outlet is communicated with the first air inlet of the dehumidifier, so that the dehumidifier and the drying device form air circulation when in operation, and the articles to be dried placed in the drying device are dried. The scheme provided by the invention can enable the drying device, the dehumidifier evaporator, the dehumidifier condenser and the air flow structure in the dehumidifier to form local circulation, reduce the air circulation space, improve the circulation speed and improve the water molecule exchange efficiency.

Description

Drying system, control method and device thereof and storage medium

Technical Field

The present invention relates to the field of dehumidifier technologies, and in particular, to a drying system, a control method and apparatus thereof, and a storage medium.

Background

The design of the dehumidifier in the aspects of clothes drying, shoe drying and the like basically changes the dehumidification mode by adjusting the temperature and the air quantity, so that the clothes drying and shoe drying effects are achieved, but the whole process is related to the space where the dehumidifier is positioned, and the humidity of clothes and shoes is changed by utilizing the dehumidification and drying of the space around the dehumidifier, so that the clothes and shoes are indirectly dehumidified, the dehumidification speed of clothes and shoes is slow, the efficiency is low, and the pertinence is unavailable.

Disclosure of Invention

The main object of the present invention is to overcome the above drawbacks of the prior art, and to provide a drying system, a control method, a device and a storage medium thereof, so as to solve the problems of slow dehumidifying speed and low efficiency caused by the dehumidification and drying of the space around the dehumidifier in the prior art.

In one aspect, the present invention provides a drying system comprising: dehumidifier and dryer; the drying device comprises a shell, and a second air inlet and a second air outlet are formed in the shell; the second air inlet is communicated with the first air outlet of the dehumidifier, and the second air outlet is communicated with the first air inlet of the dehumidifier, so that the dehumidifier and the drying device form air circulation when in operation, and the articles to be dried placed in the drying device are dried.

Optionally, a first motor is arranged in the dehumidifier and is used for providing airflow circulation power for the drying system; and/or a second motor is arranged in the drying device and is used for providing airflow circulation power for the drying system.

Optionally, the first motor is arranged at the air outlet of the dehumidifier; and/or the second motor is arranged at the air outlet of the drying device.

Optionally, a storage rack is arranged in the shell of the drying device and used for placing articles to be dried.

Optionally, the supporter is the cavity structure, the upper portion of cavity structure is equipped with a plurality of gas pockets to make the inside and outside ventilation of cavity.

Optionally, the upper surface of the cavity structure is provided with a plurality of raised cambered surfaces, and the plurality of air holes are arranged on the plurality of raised cambered surfaces.

Optionally, the second air inlet is communicated with the first air outlet of the dehumidifier through a first airflow guiding structure, and the second air outlet is communicated with the first air inlet of the dehumidifier through a second airflow guiding structure.

Optionally, the first airflow guiding structure is an air suction pipe, and the second airflow guiding structure is an air discharge pipe.

Another aspect of the present invention provides a control method of the drying system as described above, characterized by comprising: controlling the operation of a compressor of the dehumidifier, and controlling the operation of the first motor and/or the second motor so as to start the operation of the drying system; after the drying system starts to operate, detecting the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier; and controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier.

Optionally, controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier includes: controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and target parameters, wherein the target parameters comprise: target drying humidity, target drying temperature, and/or target air volume.

Optionally, controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and the target parameter includes: judging whether the air inlet humidity is within a preset humidity range; wherein the preset humidity range is determined according to the target drying humidity; if the inlet air temperature is judged to be within the preset humidity range, stopping the operation of the compressor of the dehumidifier; and/or judging whether the air outlet temperature is less than or equal to a target drying temperature, and if the air outlet temperature is less than or equal to the target drying temperature, judging whether the air inlet temperature is equal to the air outlet temperature; and if the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, stopping the operation of the compressor of the dehumidifier.

Optionally, the method further comprises: if the inlet air humidity is higher than the upper limit value of the preset humidity range, reducing the temperature of an evaporator of the dehumidifier by adjusting the operation parameters of the dehumidifier; if the inlet air humidity is lower than the lower limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier; and/or if the outlet air temperature is greater than the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier; and/or, if the difference between the inlet air temperature and the outlet air temperature is greater than zero under the condition that the outlet air temperature is less than or equal to the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier; and if the difference between the inlet air temperature and the outlet air temperature is smaller than zero under the condition that the outlet air temperature is smaller than or equal to the target drying temperature, increasing the temperature of a condenser of the dehumidifier by adjusting the operation parameters of the dehumidifier.

Optionally, the method further comprises: if the air inlet humidity is judged to be in the preset humidity range, determining whether the number of times of judging that the air inlet humidity is in the preset humidity range currently reaches N times or not; if yes, stopping the operation of the compressor, and if not, judging whether the air inlet humidity is in a preset humidity range again until the number of times that the air inlet temperature is in the preset humidity range is determined to be N times; and/or if the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, determining whether the current air outlet temperature is less than or equal to the target drying temperature and the times of the air inlet temperature and the air outlet temperature being equal to each other reach M times or not; if so, stopping the operation of the compressor of the dehumidifier, if not, judging whether the air outlet temperature is less than or equal to the target drying temperature again, and if so, judging whether the air inlet temperature is equal to the air outlet temperature until the current judgment that the air outlet temperature is less than or equal to the target drying temperature is determined, wherein the times that the air inlet temperature is equal to the air outlet temperature are M times; wherein N is more than or equal to 3, M is more than or equal to 3, and N and M are equal or unequal.

Optionally, when the dehumidifier is internally provided with a first motor and/or the drying device is internally provided with a second motor, the method further comprises: after stopping the operation of the compressor, judging whether the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature, and if so, stopping the operation of the first motor and/or the second motor; if the air inlet humidity is not met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, after the first motor and/or the second motor continue to operate for a preset time, judging whether the air inlet humidity is met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature; if the K-th judgment does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, starting the compressor to enable the drying system to restart running; wherein K is 3 or more.

A further aspect of the present invention provides a control device of a drying system as described above, characterized by comprising: the control unit is used for controlling the compressor, the first motor and the second motor of the dehumidifier to operate so as to enable the drying system to start to operate; the detection unit is used for detecting the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier after the drying system starts to operate; and the control unit controls the operation of the drying system according to the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier detected by the detection unit.

Optionally, the control unit is further configured to: controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and target parameters, wherein the target parameters comprise: target drying humidity, target drying temperature, and/or target air volume.

Optionally, the control unit includes: the first judging subunit is used for judging whether the air inlet humidity is in a preset humidity range or not; wherein the preset humidity range is determined according to the target drying humidity; and/or a second judging subunit, configured to judge whether the air outlet temperature is equal to or less than a target drying temperature, and if the air outlet temperature is equal to or less than the target drying temperature, whether the air inlet temperature is equal to the air outlet temperature; and the first control subunit is used for stopping the operation of the compressor of the dehumidifier if the first judging subunit judges that the air inlet temperature is in the preset humidity range and/or the second judging subunit judges that the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature.

Optionally, the first control subunit is further configured to: if the first judging subunit judges that the air inlet humidity is higher than the upper limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is reduced by adjusting the operation parameters of the dehumidifier; if the first judging subunit judges that the air inlet humidity is lower than the lower limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier; and/or if the second judging subunit judges that the air outlet temperature is greater than the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier; and/or if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is greater than zero under the condition that the air outlet temperature is less than or equal to the target drying temperature, reducing the temperature of a condenser of the dehumidifier by adjusting the operation parameters of the dehumidifier; and if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is smaller than zero under the condition that the air outlet temperature is smaller than or equal to the target drying temperature, the condenser temperature of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier.

Optionally, the control unit further includes: the first determining subunit is configured to determine whether the number of times currently determined that the intake air humidity is within the preset humidity range reaches N times if the first determining subunit determines that the intake air humidity is within the preset humidity range; the first control subunit is further configured to: stopping the operation of the compressor if the first determining subunit determines that the number of times reaches N times; the first judging subunit is further configured to: if the first determining subunit determines that the number of times does not reach N times, judging whether the air inlet humidity is in a preset humidity range again until the first determining subunit determines that the number of times of judging that the air inlet temperature is in the preset humidity range currently reaches N times; and/or, a second determining subunit, configured to determine whether the current determination that the air outlet temperature is less than or equal to the target drying temperature and the number of times that the air inlet temperature is equal to the air outlet temperature is M times, if the second determining subunit determines that the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature; the first control subunit is further configured to: if the second determining subunit determines that the times reach M times, stopping the operation of the compressor of the dehumidifier; the second judging subunit is further configured to: if the second determining subunit determines that the number of times is not M, judging again whether the air outlet temperature is less than or equal to the target drying temperature, and if the air outlet temperature is less than or equal to the target drying temperature, judging again whether the air inlet temperature is equal to the air outlet temperature until the second determining subunit determines that the air outlet temperature is less than or equal to the target drying temperature, and the number of times that the air inlet temperature is equal to the air outlet temperature is M times; wherein N is more than or equal to 3, M is more than or equal to 3, and N and M are equal or unequal.

Optionally, when the dehumidifier is internally provided with a first motor and/or the drying device is internally provided with a second motor, the control unit further comprises: a third judging subunit, configured to judge whether the air inlet humidity is within a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature at the same time after stopping the operation of the compressor; a second control subunit, configured to, if the third determination subunit determines that it is, stopping the operation of the first motor and/or the second motor; if the third judging subunit judges that the air inlet humidity is not in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit enables the first motor and/or the second motor to continue to operate for a preset time, and then the third judging subunit judges whether the air inlet humidity is in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature; if the K-th judgment of the third judging subunit does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit starts the compressor to restart the drying system; wherein K is 3 or more.

In a further aspect the invention provides a storage medium having stored thereon a computer program which when executed by a processor performs the steps of any of the methods described above.

According to the technical scheme of the invention, the drying device communicated with the dehumidifier is arranged, so that the dehumidifier and the drying device form air flow circulation when in operation, articles to be dried placed in the drying device are dried, and on the drying function of the dehumidifier, the air suction and exhaust system of the dehumidifier is changed, so that the air flow structures in the drying device, the dehumidifier evaporator, the dehumidifier condenser and the dehumidifier form local circulation, the air circulation space is reduced, the circulation speed is improved, the water molecule exchange efficiency is improved, and the operation of the drying system is controlled according to the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier, and the target parameters, so that the drying procedure is completed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic diagram of a drying system according to the present invention;

FIG. 2a is a schematic side view of a shelf;

FIG. 2b is a schematic view of an air hole in a shelf;

FIG. 3 is a schematic diagram of a control method of the drying system according to an embodiment of the present invention;

FIG. 4 is a flow chart illustrating the operation of an inlet air humidity control drying system according to a dehumidifier according to an embodiment of the present invention;

FIG. 5 is a schematic flow chart of controlling the operation of the drying system according to the outlet air temperature and the inlet air temperature of the dehumidifier according to the embodiment of the invention;

FIG. 6 is a flow chart of determining whether to stop the first motor and/or the second motor after stopping the operation of the compressor according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an embodiment of the drying device according to the present invention;

FIG. 8 is a block diagram of the control relationship of the control unit controlling the dehumidifier section;

FIG. 9 is a block diagram showing a control relation of a control unit controlling a portion of the drying apparatus;

fig. 10 is a control relation block diagram of the temperature and humidity control performed by the control unit.

The reference numerals in the drawings are as follows:

1-a dehumidifier; 11-a first air inlet; 12-a first air outlet; 2-a first air flow directing structure; 3-a drying device; 4-a second air flow guiding structure; 31-a second air inlet; 32-a second air outlet; 5-a first motor; 6-a second motor; 7-a condenser; 8-an evaporator; 9-a commodity shelf; 91-cambered surface; 92-air holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Fig. 1 is a schematic structural diagram of a drying system according to the present invention. As shown in fig. 1, the drying system includes a dehumidifier 1 and a drying apparatus 3; the drying device 3 comprises a shell, and a second air inlet 31 and a second air outlet 32 are formed in the shell; the second air inlet 31 is communicated with the first air outlet 12 of the dehumidifier, and the second air outlet 32 is communicated with the first air inlet 11 of the dehumidifier, so that the dehumidifier and the drying device form air circulation when in operation, and the articles to be dried placed in the drying device are dried.

As shown in fig. 1, optionally, the second air inlet 31 is communicated with the first air outlet 12 of the dehumidifier 1 through the first air flow guiding structure 2, and the second air outlet 31 is communicated with the first air inlet 12 of the dehumidifier 1 through the second air flow guiding structure 4, so that the whole system is in a closed internal circulation mode.

As shown in fig. 1, optionally, a first motor 5 is provided inside the dehumidifier 1 for providing power for air circulation of the drying system; and/or a second motor 6 is arranged inside the drying device 3 for providing power for air circulation of the drying system. The first motor 5 and/or the second motor 6 may in particular be a fan. The first motor 5 is specifically arranged at the first air outlet 12 of the dehumidifier 1; and/or the second motor 6 is arranged at the second air outlet 32 of the drying device 3. The first air flow guiding structure 2 may be specifically an air suction pipe, and the second air flow guiding structure 4 may be specifically an air exhaust pipe.

When the first motor 5 in the dehumidifier 1 works, gas is sucked into the dehumidifier from the outer side of the evaporator 8 of the dehumidifier under the drive of the first motor 5, is condensed and dried by the evaporator 8, and then absorbs heat by the gas at the condenser 7, so that high-temperature drying gas is formed, and the formed high-temperature drying gas is discharged to the first airflow guiding structure 2 through the rotation of the first motor 5 and is guided to the drying device 3 by the first airflow guiding structure 2; then, the gas is blown to the articles to be dried such as clothes placed inside the drying device, water molecules are absorbed from the articles to be dried, the gas state is changed from high temperature drying to low temperature high humidity, and then the changed gas is sucked out from the inside of the drying device to the second gas outlet 32 by the second motor 6 of the drying device 3; finally, the gas enters the dehumidifier 1 from the second gas outlet 32 through the second gas flow guiding structure 4, water molecules of the gas are separated out at a low temperature in the evaporator 8 of the dehumidifier 1 to form condensed water, and the gas reenters a new cycle.

Optionally, a humidity sensor is disposed at an air inlet of the dehumidifier 1 and is used for detecting air inlet humidity of the dehumidifier, and/or an air inlet temperature sensor is also disposed at the air inlet of the dehumidifier 1 and is used for detecting air inlet temperature of the dehumidifier, and/or an air outlet temperature sensor is disposed at an air outlet of the dehumidifier 1 and is used for detecting air outlet temperature of the dehumidifier.

Preferably, referring to fig. 1, 2a and 2b, a rack 9 is provided inside the housing of the drying device 3 for placing the articles to be dried. The commodity shelf 9 is the cavity structure, the upper portion of cavity structure is equipped with a plurality of gas pockets 92, so that the cavity structure can inside and outside take a breath, a plurality of gas pockets evenly distributed. Preferably, the upper surface of the cavity structure has a plurality of raised cambered surfaces 91, and the plurality of air holes 92 are arranged on the plurality of raised cambered surfaces 91. The adjacent cambered surfaces are connected through a plane or a concave cambered surface, the lower surface of the cavity structure is a plane, the upper part of the side surface presents a wave shape, the lower part presents a rectangle (as shown in fig. 2 a), and the plurality of air holes 92 are uniformly distributed on the plurality of convex cambered surfaces 91 (as shown in fig. 2 b). The outflow gas is guided to contact with the articles to be dried through the cambered surfaces of the bulges, and water left by the wet articles is collected, so that the water is prevented from flowing into the inner cavity of the article placing rack.

The invention also provides a control method of the drying system.

Fig. 3 is a schematic diagram of a method according to an embodiment of the present invention. As shown in fig. 3, the method includes step S110, step S120, and step S130.

And step S110, controlling the operation of a compressor of the dehumidifier, and controlling the operation of the first motor and/or the second motor so as to enable the drying system to start to operate.

Specifically, when the first motor is provided inside the dehumidifier and/or the second motor is provided inside the drying apparatus, the compressor of the dehumidifier 1, the first motor 5, and the second motor 6 of the drying apparatus 3 are controlled to operate when the drying mode of the drying system is turned on, so that the drying system starts to operate.

And step S120, after the drying system starts to operate, detecting the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier.

Specifically, after the drying system starts to operate in the drying mode, the air inlet humidity of the dehumidifier can be detected by a humidity sensor arranged at the air inlet of the dehumidifier 1, the air inlet temperature of the dehumidifier can be detected by an air inlet temperature sensor arranged at the air inlet of the dehumidifier 1, and/or the air outlet temperature of the dehumidifier can be detected by an air outlet temperature sensor arranged at the air outlet of the dehumidifier 1.

And step S130, controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier.

Specifically, the operation of the drying system may be controlled according to the detected inlet air humidity, outlet air temperature and/or inlet air temperature of the dehumidifier, and the target parameter. And when the drying system starts to operate, acquiring target parameters so that the drying system operates according to the target parameters. The target parameter may specifically be a target drying humidity, a target drying temperature and/or a target air volume. The target drying temperature and/or the target air quantity are set according to the target drying humidity. The target drying humidity h0 is the humidity of the dry state of the article to be dried. The target air quantity w0 specifically may include a gear of the motor, different air quantities are generated by different gears, and the target air quantity w0 can be set by a user according to the requirement, and the target drying temperature T0 is a temperature after being stabilized under the target drying humidity h 0.

When the drying system is in a drying mode, a compressor of the dehumidifier 1 is operated, the first motor 5 is operated according to a target air quantity w0, air flow is pushed to the air suction pipe 2 from the interior of the dehumidifier 1, the second motor 6 in the drying device 3 is operated according to the target air quantity w0, air in the drying device 3 is subjected to suction force generated by the operation of the second motor 6, objects to be dried which are placed through the storage rack 9 enter the exhaust pipe 4, the air flow entering the air suction pipe 2 from the dehumidifier 1 has a temperature T1, the air flow enters the drying device 3 under the guidance of the air suction pipe 2, the air entering the drying device 3 is subjected to suction force generated by the operation of the second motor 6, and flows to the objects to be dried which are placed through the storage rack, the articles to be dried are subjected to the heat of the air flow with the temperature T1, water molecules attached to the articles are heated and evaporated to form water vapor, the evaporated water molecules and the air flow form water vapor, the water vapor is discharged into the exhaust pipe 4 under the action of the second motor 6, the air entering the exhaust pipe 4 returns to the dehumidifier 1 under the guidance of the exhaust pipe 4, the temperature of the air is T2, the air is condensed by the evaporator of the dehumidifier 1, the water vapor forms condensed water, the air flow with the humidity of h1 enters the condenser from the evaporator, after the heat of the condenser is absorbed, the humidity of the air is h1, the temperature of the air is T1, and the air enters the next drying cycle. And in the running process of the drying system, controlling the running of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and the target parameter.

Specifically, controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier, and the target parameter specifically includes controlling the operation of the drying system according to the air inlet humidity of the dehumidifier, and/or controlling the operation of the drying system according to the air outlet temperature and air inlet temperature of the dehumidifier.

Fig. 4 is a flow chart illustrating an operation of an inlet air humidity control drying system according to a dehumidifier according to an embodiment of the present invention. As shown in fig. 4, determining whether the intake air humidity is within a preset humidity range, where the preset humidity range is determined according to the target drying humidity h0, and may be, for example, [ h0-a, h0+b ], where a and b may be equal or unequal; if the inlet air temperature is judged to be in the preset humidity range, indicating that the object to be dried is in a dry state, stopping the operation of the compressor of the dehumidifier; if the intake air humidity is higher than the upper limit value of the preset humidity range, reducing the temperature of an evaporator of the dehumidifier by adjusting the operation parameters of the dehumidifier (for example, reducing the temperature of the evaporator by adjusting the frequency of a compressor), and returning to the judgment again; if the intake air humidity is lower than the lower limit value of the preset humidity range, the temperature of the evaporator of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier (for example, the temperature of the evaporator is increased by adjusting the frequency of the compressor), and the judgment is returned to again. Preferably, in order to make the determination more accurate, if the intake air temperature is determined to be within the preset humidity range, it is determined whether the number of times that the intake air temperature is currently determined to be within the preset humidity range reaches N times; if yes, stopping the operation of the compressor, and if not, judging whether the air inlet humidity is in a preset humidity range again until the number of times that the air inlet temperature is in the preset humidity range is determined to be N times; where N is an integer greater than or equal to 3, n=3 in fig. 4.

Fig. 5 is a schematic flow chart of controlling the operation of the drying system according to the outlet air temperature and the inlet air temperature of the dehumidifier according to the embodiment of the present invention. As shown in fig. 5, it is determined whether the outlet air temperature is equal to or less than a target drying temperature (i.e., it is determined whether a difference between the outlet air temperature T1 and the target drying temperature T0 is equal to or less than 0), and in the case that the outlet air temperature is equal to or less than the target drying temperature, the inlet air temperature and the outlet air temperature are equal (in practice, it may be determined whether the difference between the inlet air temperature and the outlet air temperature is within a preset range due to possible errors in measurement); if the air outlet temperature is less than or equal to the target drying temperature, and the air inlet temperature is equal to the air outlet temperature, the air is not changed after passing through the to-be-dried object, namely, no moisture evaporates to absorb heat, the temperature of the to-be-dried object is the same as the air temperature, and the air outlet temperature accords with the target drying temperature, and the operation of a compressor of the dehumidifier is stopped; and/or if the outlet air temperature is greater than the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier; and/or if the difference between the inlet air temperature and the outlet air temperature is greater than zero under the condition that the outlet air temperature is less than or equal to the target drying temperature, reducing the temperature of a condenser of the dehumidifier by adjusting the operation parameters of the dehumidifier, and returning to the judgment again; if the air outlet temperature is less than or equal to the target drying temperature, the difference between the air inlet temperature and the air outlet temperature is less than zero, the temperature of a condenser of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier, and the judgment is returned to be carried out again.

Further, if the outlet air temperature is determined to be less than or equal to a target drying temperature (i.e., the difference between the outlet air temperature T1 and the target drying temperature T0 is less than or equal to 0) and the inlet air temperature is equal to the outlet air temperature, determining whether the number of times that the outlet air temperature is currently determined to be less than or equal to the target drying temperature and the inlet air temperature is equal to the outlet air temperature reaches M times; if so, stopping the operation of the compressor of the dehumidifier, if not, judging whether the air outlet temperature is less than or equal to the target drying temperature again, and if so, judging whether the air inlet temperature is equal to the air outlet temperature until the current judgment that the air outlet temperature is less than or equal to the target drying temperature is determined, wherein the times that the air inlet temperature is equal to the air outlet temperature are M times; where M is an integer greater than or equal to 3, m=3 in fig. 5.

After stopping the operation of the compressor, it is further continued to determine whether to stop the first motor and/or the second motor, ending the drying process. Fig. 6 is a flowchart illustrating a process of determining whether to stop the first motor and/or the second motor after stopping the operation of the compressor according to an embodiment of the present invention. As shown in fig. 6, after stopping the operation of the compressor, judging whether the air inlet humidity is within a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, and if so, stopping the operation of the first motor and/or the second motor; if the air inlet humidity is not met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, enabling the first motor and/or the second motor to continue to operate for a preset time t1, judging whether the air inlet humidity is met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, and if so, stopping the operation of the first motor and/or the second motor; if the K-th judgment does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, starting the compressor to enable the drying system to restart running; in fig. 6, k=3, where K is an integer equal to or greater than 3.

The invention also provides a control device of the drying system.

Fig. 7 is a schematic structural view of an embodiment of the drying device provided by the invention. As shown in fig. 7, the drying apparatus 100 includes a control unit 110 and a detection unit 120.

The control unit 110 is used for controlling the compressor, the first motor and the second motor of the dehumidifier to operate so as to start the drying system to operate; the detecting unit 120 is configured to detect an inlet air humidity, an outlet air temperature and/or an inlet air temperature of the dehumidifier after the drying system starts to operate; the control unit 110 controls the operation of the drying system according to the inlet air humidity, the outlet air temperature and/or the inlet air temperature of the dehumidifier detected by the detection unit 120.

The control unit 110 controls the operation of the compressor of the dehumidifier and controls the operation of the first motor and/or the second motor to start the operation of the drying system. Specifically, when the first motor is provided inside the dehumidifier and/or the second motor is provided inside the drying apparatus, the compressor of the dehumidifier 1, the first motor 5, and the second motor 6 of the drying apparatus 3 are controlled to operate when the drying mode of the drying system is turned on, so that the drying system starts to operate.

The detection unit 120 detects the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier after the drying system starts to operate. The detection unit 120 may specifically include: an air inlet humidity sensor, an air inlet temperature sensor and/or an air outlet temperature sensor. Specifically, after the drying system starts to operate in the drying mode, the detection unit 120 may detect the air intake humidity of the dehumidifier through a humidity sensor disposed at the air inlet of the dehumidifier 1, detect the air intake temperature of the dehumidifier through an air intake temperature sensor disposed at the air inlet of the dehumidifier 1, and/or detect the air outlet temperature of the dehumidifier through an air outlet temperature sensor disposed at the air outlet of the dehumidifier 1.

The control unit 110 controls the operation of the drying system according to the inlet air humidity, the outlet air temperature and/or the inlet air temperature of the dehumidifier detected by the detection unit 120. Specifically, the operation of the drying system may be controlled according to the inlet air humidity, the outlet air temperature, and/or the inlet air temperature of the dehumidifier detected by the detection unit 120, and the target parameter.

And when the drying system starts to operate, acquiring target parameters so that the drying system operates according to the target parameters. The target parameter may specifically be a target drying humidity, a target drying temperature and/or a target air volume. The target drying temperature and/or the target air quantity are set according to the target drying humidity. The target drying humidity h0 is the humidity of the dry state of the article to be dried. The target air quantity w0 specifically may include a gear of the motor, different air quantities are generated by different gears, and the target air quantity w0 can be set by a user according to the requirement, and the target drying temperature T0 is a temperature after being stabilized under the target drying humidity h 0.

When the drying system is in a drying mode, a compressor of the dehumidifier 1 is operated, the first motor 5 is operated according to a target air quantity w0, air flow is pushed to the air suction pipe 2 from the interior of the dehumidifier 1, the second motor 6 in the drying device 3 is operated according to the target air quantity w0, air in the drying device 3 is subjected to suction force generated by the operation of the second motor 6, objects to be dried which are placed through the storage rack 9 enter the exhaust pipe 4, the air flow entering the air suction pipe 2 from the dehumidifier 1 has a temperature T1, the air flow enters the drying device 3 under the guidance of the air suction pipe 2, the air entering the drying device 3 is subjected to suction force generated by the operation of the second motor 6, and flows to the objects to be dried which are placed through the storage rack, the articles to be dried are subjected to the heat of the air flow with the temperature T1, water molecules attached to the articles are heated and evaporated to form water vapor, the evaporated water molecules and the air flow form water vapor, the water vapor is discharged into the exhaust pipe 4 under the action of the second motor 6, the air entering the exhaust pipe 4 returns to the dehumidifier 1 under the guidance of the exhaust pipe 4, the temperature of the air is T2, the air is condensed by the evaporator of the dehumidifier 1, the water vapor forms condensed water, the air flow with the humidity of h1 enters the condenser from the evaporator, after the heat of the condenser is absorbed, the humidity of the air is h1, the temperature of the air is T1, and the air enters the next drying cycle. During the operation of the drying system, the operation of the drying system is controlled according to the inlet air humidity, the outlet air temperature and/or the inlet air temperature of the dehumidifier detected by the detecting unit 120 and the target parameter.

Fig. 8 is a control relation block diagram of the control unit controlling the dehumidifier section. Fig. 9 is a block diagram showing a control relationship of the control unit to control the drying apparatus portion. Fig. 10 is a control relation block diagram of the temperature and humidity control performed by the control unit. As shown in fig. 8 and 9, the first motor inside the dehumidifier and/or the second motor inside the drying device provide circulating power (air quantity), and as shown in fig. 10, the compressor, the evaporator and the condenser of the dehumidifier continuously dry and heat the air flow circulated inside, the air humidity is controlled by the evaporator, and the air temperature is controlled by the condenser.

Specifically, controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier, and the target parameter specifically includes controlling the operation of the drying system according to the air inlet humidity of the dehumidifier, and/or controlling the operation of the drying system according to the air outlet temperature and air inlet temperature of the dehumidifier.

The control unit 110 includes a first judgment subunit and/or a second judgment subunit, and includes a first control subunit.

A first judging subunit, configured to judge whether the air intake humidity is within a preset humidity range, under the condition that the drying system is controlled to operate according to the air intake humidity of the dehumidifier; the preset humidity range is determined according to the target drying humidity h0, and may be, for example, [ h0-a, h0+b ], where a and b may be equal or unequal; if the first judging subunit judges that the air inlet temperature is in the preset humidity range, and the air inlet temperature indicates that the to-be-dried object is in a drying state, the first control subunit stops the operation of the compressor of the dehumidifier; if the first judging subunit judges that the air inlet humidity is higher than the upper limit value of the preset humidity range, the first control subunit reduces the temperature of an evaporator of the dehumidifier by adjusting the operation parameters of the dehumidifier, and the first judging subunit judges again; if the first judging subunit judges that the air inlet humidity is lower than the lower limit value of the preset humidity range, the first control subunit increases the temperature of the evaporator of the dehumidifier by adjusting the operation parameters of the dehumidifier, and the first judging subunit judges again.

Preferably, to make the determination more accurate, the control unit 110 further includes a first determining subunit, configured to determine whether the number of times that the intake air humidity is currently determined to be within the preset humidity range reaches N times if the first determining subunit determines that the intake air humidity is within the preset humidity range; the first control subunit is further configured to: stopping the operation of the compressor if the first determining subunit determines that the number of times reaches N times; the first judging subunit is further configured to: if the first determining subunit determines that the number of times does not reach N times, judging whether the air inlet humidity is in a preset humidity range again until the first determining subunit determines that the number of times of judging that the air inlet temperature is in the preset humidity range currently reaches N times; where N is an integer greater than or equal to 3, n=3 in fig. 4.

The second judging subunit is configured to judge whether the air outlet temperature is equal to or less than a target drying temperature (i.e., judge whether a difference between the air outlet temperature T1 and the target drying temperature T0 is equal to or less than 0) when the drying system is controlled to operate according to the air outlet temperature and the air inlet temperature of the dehumidifier, and whether the air inlet temperature is equal to or less than the air outlet temperature when the air outlet temperature is equal to or less than the target drying temperature (in practice, whether the difference between the air inlet temperature and the air outlet temperature is within a preset range may be judged due to possible errors in measurement);

If the second judging subunit judges that the air outlet temperature is less than or equal to the target drying temperature, and the air inlet temperature is equal to the air outlet temperature, the temperature is unchanged after the air passes through the to-be-dried object, namely, no moisture evaporates and absorbs heat, the temperature of the to-be-dried object is the same as the temperature of the air, and the to-be-dried object accords with the target drying temperature, the first control subunit stops the operation of the compressor of the dehumidifier; and/or if the second judging subunit judges that the air outlet temperature is greater than the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier; and/or if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is greater than zero under the condition that the air outlet temperature is less than or equal to the target drying temperature, the second judging subunit judges again by adjusting the operation parameters of the dehumidifier to reduce the temperature of the condenser of the dehumidifier; and if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is smaller than zero under the condition that the air outlet temperature is smaller than or equal to the target drying temperature, the second judging subunit judges again by adjusting the operation parameters of the dehumidifier to enable the temperature of the condenser of the dehumidifier to rise.

Preferably, in order to make the determination more accurate, the control unit 110 further comprises a second determining subunit. The second determining subunit is configured to determine whether the number of times that the air outlet temperature is equal to or less than the target drying temperature and the air inlet temperature is equal to or less than the target drying temperature is M times when the second determining subunit determines that the air outlet temperature is equal to or less than the target drying temperature and the air inlet temperature is equal to or less than the air outlet temperature; if the second determining subunit determines that the times reach M times, the first control subunit stops the operation of the compressor of the dehumidifier; if the second determining subunit determines that the number of times is not M, the second determining subunit determines again whether the air outlet temperature is less than or equal to the target drying temperature, and if the air outlet temperature is less than or equal to the target drying temperature, whether the air inlet temperature is equal to the air outlet temperature, until the second determining subunit determines that the air outlet temperature is less than or equal to the target drying temperature, and the number of times that the air inlet temperature is equal to the air outlet temperature is M times; where M is an integer greater than or equal to 3, and m=3 in fig. 5.

Preferably, after stopping the operation of the compressor, it is further continued to determine whether to stop the first motor and/or the second motor, ending the drying process. Specifically, when the dehumidifier is internally provided with a first motor and/or the dryer is internally provided with a second motor, the control unit 110 further includes a third judging subunit and a second control subunit.

A third judging subunit, configured to judge whether the air inlet humidity is within a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature at the same time after stopping the operation of the compressor; a second control subunit, configured to, if the third determination subunit determines that it is, stopping the operation of the first motor and/or the second motor; if the third judging subunit judges that the air inlet humidity is not in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit enables the first motor and/or the second motor to continue to operate for a preset time t1, and then the third judging subunit judges whether the air inlet humidity is in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature at the same time, and if so, the operation of the first motor and/or the second motor is stopped; if the K-th judgment of the third judging subunit does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit starts the compressor to restart the drying system; in fig. 6, k=3, where K is an integer equal to or greater than 3.

The invention also provides a storage medium corresponding to a control method of the drying system, on which a computer program is stored which, when executed by a processor, carries out the steps of any of the methods described above.

According to the scheme provided by the invention, the drying device communicated with the dehumidifier is arranged, so that the dehumidifier and the drying device form air flow circulation when in operation, the articles to be dried placed in the drying device are dried, and on the drying function of the dehumidifier, the air suction and exhaust system of the dehumidifier is changed, so that the air flow structures in the drying device, the dehumidifier evaporator, the dehumidifier condenser and the dehumidifier form local circulation, the air circulation space is reduced, the circulation speed is improved, the water molecule exchange efficiency is improved, and the operation of the drying system is controlled according to the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier, and the target parameters, so that the drying procedure is completed.

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.

In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.

The units described as separate components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (15)

1. A control method of a drying system is characterized in that,

the drying system includes: dehumidifier and dryer; the drying device comprises a shell, and a second air inlet and a second air outlet are formed in the shell; the second air inlet is communicated with the first air outlet of the dehumidifier, and the second air outlet is communicated with the first air inlet of the dehumidifier, so that the dehumidifier and the drying device form air flow circulation when in operation, and the articles to be dried placed in the drying device are dried;

a first motor is arranged in the dehumidifier and used for providing airflow circulation power for the drying system;

and/or the number of the groups of groups,

a second motor is arranged in the drying device and used for providing airflow circulation power for the drying system;

the control method comprises the following steps:

Controlling the operation of a compressor of the dehumidifier, and controlling the operation of the first motor and/or the second motor so as to start the operation of the drying system;

after the drying system starts to operate, detecting the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier;

controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier; the method specifically comprises the following steps:

controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and target parameters, wherein the target parameters comprise: target drying humidity, target drying temperature and/or target air volume; controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and the target parameter, including:

judging whether the air inlet humidity is within a preset humidity range; wherein the preset humidity range is determined according to the target drying humidity;

if the inlet air humidity is judged to be within the preset humidity range, stopping the operation of the compressor of the dehumidifier;

and/or the number of the groups of groups,

judging whether the air outlet temperature is less than or equal to a target drying temperature, and if the air outlet temperature is less than or equal to the target drying temperature, judging whether the air inlet temperature is equal to the air outlet temperature;

And if the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, stopping the operation of the compressor of the dehumidifier.

2. The method as recited in claim 1, further comprising:

if the inlet air humidity is higher than the upper limit value of the preset humidity range, reducing the temperature of an evaporator of the dehumidifier by adjusting the operation parameters of the dehumidifier;

if the inlet air humidity is lower than the lower limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier;

and/or the number of the groups of groups,

if the air outlet temperature is higher than the target drying temperature, reducing the temperature of a condenser of the dehumidifier by adjusting the operation parameters of the dehumidifier;

and/or the number of the groups of groups,

if the difference between the inlet air temperature and the outlet air temperature is greater than zero under the condition that the outlet air temperature is less than or equal to the target drying temperature, reducing the condenser temperature of the dehumidifier by adjusting the operation parameters of the dehumidifier;

and if the difference between the inlet air temperature and the outlet air temperature is smaller than zero under the condition that the outlet air temperature is smaller than or equal to the target drying temperature, increasing the temperature of a condenser of the dehumidifier by adjusting the operation parameters of the dehumidifier.

3. The method as recited in claim 1, further comprising:

if the air inlet humidity is judged to be in the preset humidity range, determining whether the number of times of judging that the air inlet humidity is in the preset humidity range currently reaches N times or not;

if yes, stopping the operation of the compressor, and if not, judging whether the air inlet humidity is in a preset humidity range again until the number of times that the air inlet humidity is in the preset humidity range is determined to be N times currently;

and/or the number of the groups of groups,

if the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, determining whether the number of times that the air outlet temperature is equal to the air outlet temperature is M or not and the air inlet temperature is less than or equal to the target drying temperature;

if so, stopping the operation of the compressor of the dehumidifier, if not, judging whether the air outlet temperature is less than or equal to the target drying temperature again, and if so, judging whether the air inlet temperature is equal to the air outlet temperature until the current judgment that the air outlet temperature is less than or equal to the target drying temperature is determined, wherein the times that the air inlet temperature is equal to the air outlet temperature are M times;

Wherein N is more than or equal to 3, M is more than or equal to 3, and N and M are equal or unequal.

4. A method according to any one of claims 1-3, further comprising:

after stopping the operation of the compressor, judging whether the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature, and if so, stopping the operation of the first motor and/or the second motor;

if the air inlet humidity is not met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, after the first motor and/or the second motor continue to operate for a preset time, judging whether the air inlet humidity is met in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature;

if the K-th judgment does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, starting the compressor to enable the drying system to restart running;

Wherein K is 3 or more.

5. A control device of a drying system is characterized in that,

the drying system includes: dehumidifier and dryer; the drying device comprises a shell, and a second air inlet and a second air outlet are formed in the shell; the second air inlet is communicated with the first air outlet of the dehumidifier, and the second air outlet is communicated with the first air inlet of the dehumidifier, so that the dehumidifier and the drying device form air flow circulation when in operation, and the articles to be dried placed in the drying device are dried;

a first motor is arranged in the dehumidifier and used for providing airflow circulation power for the drying system;

and/or the number of the groups of groups,

a second motor is arranged in the drying device and used for providing airflow circulation power for the drying system;

the control device includes:

the control unit is used for controlling the compressor, the first motor and/or the second motor of the dehumidifier to operate so as to enable the drying system to start to operate;

the detection unit is used for detecting the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier after the drying system starts to operate;

The control unit controls the operation of the drying system according to the air inlet humidity, the air outlet temperature and/or the air inlet temperature of the dehumidifier detected by the detection unit; the control unit is further configured to:

controlling the operation of the drying system according to the detected air inlet humidity, air outlet temperature and/or air inlet temperature of the dehumidifier and target parameters, wherein the target parameters comprise: target drying humidity, target drying temperature and/or target air volume;

the control unit includes:

the first judging subunit is used for judging whether the air inlet humidity is in a preset humidity range or not; wherein the preset humidity range is determined according to the target drying humidity;

and/or the number of the groups of groups,

a second judging subunit, configured to judge whether the outlet air temperature is equal to or less than a target drying temperature, and if the outlet air temperature is equal to or less than the target drying temperature, whether the inlet air temperature is equal to the outlet air temperature;

and the first control subunit is used for stopping the operation of the compressor of the dehumidifier if the first judging subunit judges that the air inlet humidity is in the preset humidity range and/or the second judging subunit judges that the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature.

6. The apparatus of claim 5, wherein the first control subunit is further configured to:

if the first judging subunit judges that the air inlet humidity is higher than the upper limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is reduced by adjusting the operation parameters of the dehumidifier;

if the first judging subunit judges that the air inlet humidity is lower than the lower limit value of the preset humidity range, the temperature of an evaporator of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier;

and/or the number of the groups of groups,

if the second judging subunit judges that the air outlet temperature is greater than the target drying temperature, the condenser temperature of the dehumidifier is reduced by adjusting the operation parameters of the dehumidifier;

and/or the number of the groups of groups,

if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is greater than zero under the condition that the air outlet temperature is less than or equal to the target drying temperature, the condenser temperature of the dehumidifier is reduced by adjusting the operation parameters of the dehumidifier;

and if the second judging subunit judges that the difference between the air inlet temperature and the air outlet temperature is smaller than zero under the condition that the air outlet temperature is smaller than or equal to the target drying temperature, the condenser temperature of the dehumidifier is increased by adjusting the operation parameters of the dehumidifier.

7. The apparatus of claim 5, wherein the control unit further comprises:

the first determining subunit is configured to determine whether the number of times currently determined that the intake air humidity is within the preset humidity range reaches N times if the first determining subunit determines that the intake air humidity is within the preset humidity range;

the first control subunit is further configured to: stopping the operation of the compressor if the first determining subunit determines that the number of times reaches N times;

the first judging subunit is further configured to: if the first determining subunit determines that the number of times does not reach N times, judging whether the air inlet humidity is in a preset humidity range again until the first determining subunit determines that the number of times of judging that the air inlet humidity is in the preset humidity range currently reaches N times;

and/or the number of the groups of groups,

the second determining subunit is configured to determine whether the number of times that the air outlet temperature is equal to or less than the target drying temperature and the air inlet temperature is equal to or less than the target drying temperature is M times when the second determining subunit determines that the air outlet temperature is equal to or less than the target drying temperature and the air inlet temperature is equal to or less than the air outlet temperature;

The first control subunit is further configured to: if the second determining subunit determines that the times reach M times, stopping the operation of the compressor of the dehumidifier;

the second judging subunit is further configured to: if the second determining subunit determines that the number of times is not M, judging again whether the air outlet temperature is less than or equal to the target drying temperature, and if the air outlet temperature is less than or equal to the target drying temperature, judging again whether the air inlet temperature is equal to the air outlet temperature until the second determining subunit determines that the air outlet temperature is less than or equal to the target drying temperature, and the number of times that the air inlet temperature is equal to the air outlet temperature is M times;

wherein N is more than or equal to 3, M is more than or equal to 3, and N and M are equal or unequal.

8. The apparatus according to any one of claims 5-7, further comprising:

a third judging subunit, configured to judge whether the air inlet humidity is within a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature at the same time after stopping the operation of the compressor;

A second control subunit, configured to, if the third determination subunit determines that it is, stopping the operation of the first motor and/or the second motor;

if the third judging subunit judges that the air inlet humidity is not in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit enables the first motor and/or the second motor to continue to operate for a preset time, and then the third judging subunit judges whether the air inlet humidity is in the preset humidity range and the air outlet temperature is less than or equal to the target drying temperature and the air inlet temperature is equal to the air outlet temperature;

if the K-th judgment of the third judging subunit does not meet the condition that the air inlet humidity is in a preset humidity range and the air outlet temperature is less than or equal to a target drying temperature and the air inlet temperature is equal to the air outlet temperature, the second control subunit starts the compressor to restart the drying system;

wherein K is 3 or more.

9. The apparatus of claim 5, wherein the device comprises a plurality of sensors,

The first motor is arranged at the air outlet of the dehumidifier;

and/or the number of the groups of groups,

the second motor is arranged at the air outlet of the drying device.

10. The apparatus of claim 5, wherein a shelf is provided inside the housing of the drying apparatus for receiving the articles to be dried.

11. The apparatus of claim 10, wherein the device comprises a plurality of sensors,

the commodity shelf is of a cavity structure, and a plurality of air holes are formed in the upper portion of the cavity structure so that the inside and the outside of the cavity can be ventilated.

12. The device of claim 11, wherein the upper surface of the cavity structure has a plurality of raised cambered surfaces, and the plurality of air holes are arranged on the plurality of raised cambered surfaces.

13. The apparatus of claim 5, wherein the second air inlet communicates with the first air outlet of the dehumidifier via a first air flow directing structure, and the second air outlet communicates with the first air inlet of the dehumidifier via a second air flow directing structure.

14. The apparatus of claim 13, wherein the first air flow directing structure is an air suction pipe and the second air flow directing structure is an air discharge pipe.

15. A storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method of any of claims 1-4.