CN109654615B

CN109654615B - Device for dehumidification and control method thereof

Info

Publication number: CN109654615B
Application number: CN201811345214.7A
Authority: CN
Inventors: 王珈瑜; 薛文超; 郝凯
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Chongqing Haier Air Conditioner Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Chongqing Haier Air Conditioner Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2022-01-21
Anticipated expiration: 2038-11-13
Also published as: CN109654615A

Abstract

The invention discloses a device for dehumidification, which belongs to the technical field of air dehumidification. Including: dehumidifier housing, electrochemical hydrogen pump, first metal hydride heat exchanger, second metal hydride heat exchanger and fan, the first metal hydride heat exchanger and the second metal hydride There is a preset included angle between the heat exchangers, and the fan is arranged on the center line of the included angle between the first metal hydride heat exchanger and the second metal hydride heat exchanger. With this embodiment, the noise of the dehumidifier is kept low, and the dehumidification efficiency of the dehumidifier is improved. The invention also discloses a method of controlling the device for dehumidification.

Description

Apparatus for dehumidifying and control method thereof

Technical Field

The invention relates to the technical field of air dehumidification, in particular to a dehumidification device and a control method thereof.

Background

The air in many areas in summer all is very moist, when the air is moist to certain degree, people can feel uncomfortable, and some are afraid of moist article and also need the air to keep dry when storing, when carrying out the dehumidification, the method commonly used is mostly the compressor refrigeration that utilizes refrigerant such as common adoption freon, let moist air through the refrigeration end, become the water droplet with the steam condensation in the air, then the dry air of getting rid of partial steam directly discharge can, use this kind of dehydrating unit, can let the temperature of air reduce gradually, and use traditional compressor to be unfavorable for the noise reduction.

The utility model provides an utilize electrochemical compressor to replace dehumidifier of traditional freon compressor, the characteristics of usable electrochemical compressor cold junction and hot junction periodic cycle let moist air pass through two heat exchangers respectively, wherein the cold junction dehumidifies, and the hot junction heats the air, then mixes the air at both ends together, dehumidifies. This technique can reduce noise but has a low dehumidification efficiency.

Disclosure of Invention

The embodiment of the invention provides a device for dehumidification and a control method thereof. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of embodiments of the present invention, there is provided an apparatus for dehumidification.

In some optional embodiments, a device for dehumidification comprises a dehumidifier casing, an electrochemical hydrogen pump, a first metal hydride heat exchanger, a second metal hydride heat exchanger and a fan, wherein one side of the electrochemical hydrogen pump is connected with the first metal hydride heat exchanger through a first hydrogen pipeline, the other side of the electrochemical hydrogen pump is connected with the second metal hydride heat exchanger through a second hydrogen pipeline, water receiving tanks are arranged at the lower sides of the first metal hydride heat exchanger and the second metal hydride heat exchanger, a preset included angle is formed between the first metal hydride heat exchanger and the second metal hydride heat exchanger, and the fan is arranged on a bisector of the included angle between the first metal hydride heat exchanger and the second metal hydride heat exchanger.

By adopting the optional embodiment, the fan drives airflow wind to enter from the first metal hydride heat exchanger and the second metal hydride heat exchanger, and finally the airflow wind is converged at the fan and uniformly discharged, and the airflow wind is converged at the fan after passing through the first metal hydride heat exchanger and the second metal hydride heat exchanger by utilizing the preset included angle between the first metal hydride heat exchanger and the second metal hydride heat exchanger, so that the change angle of the airflow direction is reduced, the resistance to the airflow is effectively reduced, the airflow passing efficiency is improved, and the dehumidification efficiency of the whole device is further improved.

Optionally, the preset included angle is greater than 10 degrees and less than or equal to 180 degrees. By adopting the embodiment, the angle of the preset included angle can be selected within the range of more than 10 degrees and less than or equal to 180 degrees according to the actual situation, and the best use effect is achieved.

Optionally, the preset included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees. By adopting the embodiment, the angle of the preset included angle can be selected within the range of more than or equal to 90 degrees and less than 180 degrees according to the actual situation, and the best use effect is achieved.

Optionally, the electrochemical hydrogen pump, the first metal hydride heat exchanger, the second metal hydride heat exchanger and the fan are all arranged in the dehumidifier casing, a first air port is arranged at a position on the dehumidifier casing corresponding to the first metal hydride heat exchanger, a second air port is arranged at a position on the dehumidifier casing corresponding to the second metal hydride heat exchanger, and an air outlet is arranged at a position on the dehumidifier casing corresponding to the fan. By adopting the embodiment, the positions of the first air port, the second air port and the air outlet are determined according to the positions of the first metal hydride heat exchanger, the second metal hydride heat exchanger and the fan, so that the air flow enters from the first air port and the second air port and is discharged from the air outlet, and the air flow can circulate more smoothly.

Optionally, humidity sensors are arranged at the first air port, the second air port and the air outlet; temperature sensors are arranged on the first metal hydride heat exchanger and the second metal hydride heat exchanger; and pressure sensors are arranged in the first hydrogen pipeline and the second hydrogen pipeline. By adopting the embodiment, the humidity sensors are used for respectively detecting the humidity at the first air port, the second air port and the air outlet so as to calculate the dehumidification rate; detecting the temperature change of the first metal hydride heat exchanger and the second metal hydride heat exchanger through a temperature sensor, and determining the reversal information of the electrochemical hydrogen pump; the reversal information of the electrochemical hydrogen pump can likewise be determined by the pressure sensors detecting the internal pressure of the first hydrogen line and the second hydrogen line.

Optionally, the self-cleaning fans are arranged on the upper sides of the first metal hydride heat exchanger and the second metal hydride heat exchanger, and the wind direction of the self-cleaning fans is vertically blown to the water receiving tank. By adopting the embodiment, water drops condensed on the cold end and remained on the cold end can be timely cleaned through the self-cleaning fan, so that the first metal hydride heat exchanger or the second metal hydride heat exchanger is relatively dry in surface when the refrigeration is changed into heating, and the residual moisture is prevented from being evaporated by heating again to increase the humidity of air.

Optionally, the first metal hydride heat exchanger and the second metal hydride heat exchanger are provided with arcuate grooves on their surfaces. By adopting the embodiment, the water flow channel can be formed by utilizing the arc-shaped groove, so that water drops condensed on the surfaces of the first metal hydride heat exchanger and the second metal hydride heat exchanger can drop more smoothly.

Optionally, the preset included angle is 90 degrees. Adopt this embodiment, 90 degrees are the optimum angle through the experiment, let the wind direction change of both sides air inlet all be 45 degrees, can reach the purpose that reduces the windage, simultaneously, the first metal hydride heat exchanger and the second metal hydride heat exchanger of mutually perpendicular design can effectually reduce the space and occupy, and is compacter during the installation.

Optionally, the area of the outlet port is greater than or equal to the sum of the areas of the first and second gas ports. With this embodiment, it is possible to ensure that all of the air volumes entering from the first air port and the second air port are discharged from the air outlet.

Optionally, the first metal hydride heat exchanger and the second metal hydride heat exchanger are provided with through holes. By adopting the embodiment, air can pass through the through holes on the first metal hydride heat exchanger or the second metal hydride heat exchanger when passing through the first metal hydride heat exchanger or the second metal hydride heat exchanger, thereby further reducing the wind resistance and improving the dehumidification efficiency.

Optionally, a filter screen capable of preventing water evaporation is arranged on the water receiving tank. Adopt this embodiment, let the water droplet of condensing at the cold junction after the dehumidification fall into the water receiving case that has the filter screen, the filter screen can provide certain protective rate to the surface of water in the water tank, reduces the gas flow speed that the surface of water goes out, and then reduces the speed of the interior evaporation of water receiving incasement, prevents that the evaporation of water from influencing the dehumidification effect.

Optionally, the means for dehumidifying further comprises a controller.

According to a second aspect of embodiments of the present invention, there is provided a method of controlling an apparatus for dehumidifying, the method being for controlling the apparatus of any one of the preceding alternative embodiments.

In some optional embodiments, the method comprises:

the controller receives a dehumidification instruction;

starting the fan after the controller starts the electrochemical hydrogen pump;

the controller acquires a dehumidification rate of the device for dehumidification;

the controller controls the power of the fan according to the reverse information of the electrochemical hydrogen pump and the dehumidification rate of the device for dehumidifying.

By adopting the optional embodiment, when the electrochemical hydrogen pump reverses, the refrigerating and heating capacities of the first metal hydride heat exchanger and the second metal hydride heat exchanger are reduced, the dehumidifying effect is also reduced, at the moment, the power of the fan is adjusted, and the power of the fan is reduced, so that the energy consumption is reduced; meanwhile, the power of the fan is adjusted according to the change of the dehumidification rate during normal dehumidification operation, when the dehumidification rate is too low, the power of the fan is increased, the ventilation volume is increased, dehumidification is accelerated, and similarly, when the dehumidification rate is too high, the power of the fan is reduced, the ventilation volume is reduced, and dehumidification is slowed down.

Optionally, the method further comprises: and the controller starts the self-cleaning fan according to the reverse information of the electrochemical hydrogen pump to carry out air washing for a preset time. By adopting the embodiment, when the electrochemical hydrogen pump reverses, the refrigeration and heating of the first metal hydride heat exchanger and the second metal hydride heat exchanger start to exchange, the original cold end is about to become the hot end, and at the moment, the self-cleaning fan is started to condense and blow off the residual water drops on the cold end, so that the residual water drops are prevented from being evaporated again to become water vapor and increase the air humidity after the cold end becomes the hot end.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump comprises: and the controller acquires the reversal information of the electrochemical hydrogen pump according to the pressure change in the first hydrogen pipeline and the second hydrogen pipeline. With this embodiment, a change in pressure in the first hydrogen line and the second hydrogen line is detected, and a change in pressure in one of the first hydrogen line or the second hydrogen line from increasing to decreasing and another from decreasing to increasing indicates that the electrochemical hydrogen pump is beginning to reverse.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump comprises: the controller acquires the reversal information of the electrochemical hydrogen pump according to the signal of the current or the voltage connected with the electrochemical hydrogen pump. By adopting the embodiment, the characteristic that the electrochemical hydrogen pump reverses along with the reversal of current and voltage is utilized, the reversal information of the electrochemical hydrogen pump is obtained by detecting the reversal information of the working current or voltage when the electrochemical hydrogen pump works, the cold end and the hot end of the electrochemical hydrogen pump are determined to start to exchange through the reversal information, and other steps in the exchange process of the cold end and the hot end of the electrochemical hydrogen pump can be controlled in an auxiliary manner.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump comprises: and the controller acquires the reversal information of the electrochemical hydrogen pump through the change of the dehumidification rate. By adopting the embodiment, in the process of reversing the electrochemical hydrogen pump, when the cold end and the hot end are exchanged, the dehumidification rate of the device can be obviously reduced, the reversing information of the electrochemical hydrogen pump is determined through the change of the dehumidification rate, the period of the change of the dehumidification rate is directly utilized to control the follow-up operation, and the control is more accurate.

Optionally, the method comprises: the dehumidification rate is determined through the ratio of the humidity at the first air outlet to the humidity at the air outlet, or the dehumidification rate is determined through the ratio of the humidity at the second air outlet to the humidity at the air outlet, or the dehumidification rate is determined through the ratio of the average value of the humidity at the first air outlet and the humidity at the second air outlet to the humidity value at the air outlet. With this embodiment, the controller compares the humidity of the inlet air with the humidity of the outlet air to obtain a parameter, which is defined as the dehumidification rate.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump comprises: the controller obtains the reversal information of the electrochemical hydrogen pump according to the temperature change of the first metal hydride heat exchanger and the second metal hydride heat exchanger. By adopting the embodiment, when the temperature changes of the first metal hydride heat exchanger and the second metal hydride heat exchanger are obvious, the cold end and the hot end of the electrochemical hydrogen pump are indicated to be in reversion, and because the dehumidification process is closely related to the temperatures of the first metal hydride heat exchanger and the second metal hydride heat exchanger, the reversion information of the electrochemical hydrogen pump is obtained by detecting the temperature changes of the first metal hydride heat exchanger and the second metal hydride heat exchanger, and a more accurate effect can be achieved in the subsequent control process.

Adopt this optional embodiment, utilize the refrigeration of electrochemistry air conditioner to dehumidify, have predetermined contained angle between two heat exchangers of electrochemistry air conditioner to set up the fan on the branch line of contained angle, the corner of the in-process wind direction that converges at the fan after the air passes through two heat exchangers is less, thereby reduces the windage, makes dehydrating unit keep the low noise, and improves dehydrating unit's dehumidification efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic diagram illustrating an alternative implementation of a first metal hydride heat exchanger and a second metal hydride heat exchanger of an apparatus for dehumidification according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating an alternative implementation of an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating another alternate embodiment of an apparatus for removing moisture in accordance with an exemplary embodiment;

FIG. 4 illustrates an alternative implementation of an adjustable duct of an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating another alternate embodiment of an apparatus for removing moisture in accordance with an exemplary embodiment;

FIG. 6 illustrates another alternative implementation of an adjustable duct for an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 7 is a schematic diagram illustrating another alternate embodiment of an apparatus for removing moisture in accordance with an exemplary embodiment;

FIG. 8 is a schematic diagram illustrating an alternative implementation of a rotational architecture of an apparatus for dehumidification, in accordance with an exemplary embodiment;

FIG. 9 is a flow chart illustrating an alternative embodiment of a method of controlling an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 10 is a flow chart illustrating another alternative embodiment of a method of controlling an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 11 is a flow chart illustrating another alternative embodiment of a method of controlling an apparatus for dehumidifying according to an exemplary embodiment;

FIG. 12 is a flow chart illustrating another alternative embodiment of a method of controlling an apparatus for dehumidifying according to an exemplary embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.

Fig. 1 shows an alternative embodiment of the first and second metal hydride heat exchangers of the apparatus for dehumidification.

In this alternative embodiment, the self-cleaning fans 301 are disposed on the upper sides of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and the wind direction of the self-cleaning fans 301 blows towards the water receiving tank 600 vertically. With the embodiment, the self-cleaning fan 301 can clean up the water drops condensed and remained on the cold end in time, so that the surfaces of the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 are relatively dry when the cooling is changed into the heating, and the residual moisture is prevented from being evaporated by heating again to increase the humidity of the air.

Optionally, the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are provided with an arcuate groove 302 on the surface. With this embodiment, the arc-shaped groove 302 can be used to form a water flow channel, so that water droplets condensed on the surfaces of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 can more smoothly drop.

Alternatively, the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are provided with through holes 303. With this embodiment, air can pass through the through holes 303 when passing through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400, thereby further reducing wind resistance and improving dehumidification efficiency.

Fig. 2 shows an alternative embodiment of the device for dehumidifying.

In this optional embodiment, the device for dehumidifying includes a dehumidifier casing 100, an electrochemical hydrogen pump 200, a first metal hydride heat exchanger 300, a second metal hydride heat exchanger 400, and a fan 500, one side of the electrochemical hydrogen pump 200 is connected to the first metal hydride heat exchanger 300 through a first hydrogen pipeline 201, the other side of the electrochemical hydrogen pump 200 is connected to the second metal hydride heat exchanger 400 through a second hydrogen pipeline 202, a water receiving tank 600 is disposed at the lower sides of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, a preset included angle is provided between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and the fan 500 is disposed on a bisector of the included angle between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400.

By adopting the optional embodiment, the fan 500 drives the airflow wind to enter from the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and finally the airflow wind is converged at the fan and uniformly discharged, and when the airflow passes through the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 and then converges at the fan, the change angle of the airflow direction is reduced by utilizing the preset included angle between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, so that the resistance to the airflow is effectively reduced, the efficiency of the airflow passing is improved, and the dehumidification efficiency of the whole device is further improved.

Optionally, the preset included angle is greater than 10 degrees and less than or equal to 180 degrees. By adopting the embodiment, the angle of the preset included angle can be selected within the range of more than 10 degrees and less than or equal to 180 degrees according to the actual situation, so that the optimal use effect is achieved; for example, the preset included angle may be 20 degrees, 50 degrees or 170 degrees.

Optionally, the preset included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees. By adopting the embodiment, the angle of the preset included angle can be selected within the range of more than or equal to 90 degrees and less than 180 degrees according to the actual situation, so that the optimal use effect is achieved; for example, the preset included angle may be 90 degrees, 170 degrees or 180 degrees.

Alternatively, the preset included angle is actually an included angle formed by direct contact between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 or an included angle of each extension line of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and the extension line is an extension line of a side surface of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 perpendicular to the air inlet direction.

Optionally, the electrochemical hydrogen pump 200, the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500 are all arranged in the dehumidifier casing 100, a first air port 101 is arranged on the dehumidifier casing 100 at a position corresponding to the first metal hydride heat exchanger 300, a second air port 102 is arranged on the dehumidifier casing 100 at a position corresponding to the second metal hydride heat exchanger 400, and an air outlet 103 is arranged on the dehumidifier casing 100 at a position corresponding to the fan 500. With this embodiment, the positions 103 of the first air port 101, the second air port 102 and the air outlet are determined according to the positions of the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500, so that the air flow enters from the first air port 101 and the second air port 102 and is discharged from the air outlet 103, and the air flow can flow more smoothly.

Optionally, a first air port 101 is formed in a position, corresponding to the first metal hydride heat exchanger 300, on the dehumidifier casing 100, meaning that a plane opposite to an included angle between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 corresponding thereto, that is, a plane through which air enters first is provided with the first air port 101 vertically mapped on the dehumidifier casing 100.

Optionally, humidity sensors are arranged at the first air port 101, the second air port 102 and the air outlet 103; the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are provided with temperature sensors; pressure sensors are provided inside the first hydrogen line 201 and the second hydrogen line 202. With this embodiment, the humidity sensors respectively detect the humidity of the first air port 101, the second air port 102 and the air outlet 103 for calculating the dehumidification rate; detecting the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 through a temperature sensor, and determining the reverse information of the electrochemical hydrogen pump 200; reversal information of the electrochemical hydrogen pump 200 can also be determined by detecting the pressure inside the first hydrogen line 201 and the second hydrogen line 202 by means of pressure sensors.

Optionally, the humidity sensor, the temperature sensor and the pressure sensor are common sensors in the field, and the mounting mode can be directly mounted on the wall of the mounting position by glue or screw fixation; such as on the walls of the dehumidifier cabinet 100 near the outlet 103, on the outer walls of the first metal hydride heat exchanger 300, on the inner walls of the first hydrogen line 201.

Optionally, the preset included angle is 90 degrees. Adopt this embodiment, 90 degrees are the optimum angle through the experiment, let the wind direction change of both sides air inlet all be 45 degrees, can reach the purpose that reduces the windage, simultaneously, the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 of mutually perpendicular design can effectual reduction space occupy, and is compacter during the installation.

Optionally, the area of the outlet port 103 is greater than or equal to the sum of the areas of the first and

second gas ports

101 and 102. With this embodiment, it is possible to ensure that all of the air volumes entering from the first air port 101 and the second air port 102 are discharged from the air outlet 103.

Optionally, the electrochemical hydrogen pump 200 is an electrochemical hydrogen pump generally used in the art, and hydrogen is continuously generated and decomposed at the positive and negative electrodes of the hydrogen pump by using electrochemical reactions of the electrochemical hydrogen pump, so that a continuously changing pressure difference is generated between heat exchangers composed of metal hydrides respectively connected with the positive and negative electrodes, and the metal hydrides continuously generate reactions of hydrogen absorption, heat release and dehydrogenation, because the electrochemical pump is an alternating current, the heat exchangers can alternately refrigerate and heat, only chemical potential energy and resistance of ion migration need to be overcome in the working process of the electrochemical hydrogen pump, so that the energy loss is small, the working efficiency is high, and the working medium is hydrogen, so that the use of a fluorine-chlorine refrigerant is avoided.

Fig. 3 shows another alternative embodiment of the device for dehumidifying.

In this optional embodiment, the device for dehumidification includes a dehumidifier casing 100, an electrochemical hydrogen pump 200, a first metal hydride heat exchanger 300, a second metal hydride heat exchanger 400 and a fan 500, one side of the electrochemical hydrogen pump 200 is communicated with the first metal hydride heat exchanger 300 through a first hydrogen pipeline 201, the other side of the electrochemical hydrogen pump 200 is communicated with the second metal hydride heat exchanger 400 through a second hydrogen pipeline 202, and water receiving tanks 600 are arranged at the lower sides of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400; an adjustable air duct 700 is also included.

Optionally, the electrochemical hydrogen pump 200, the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400, the fan 500 and the cylindrical air duct 704 are all disposed in the dehumidifier enclosure 100, a first air inlet 101 is disposed on the dehumidifier enclosure 100 at a position corresponding to the first metal hydride heat exchanger 300, a second air inlet 102 is disposed on the dehumidifier enclosure 100 at a position corresponding to the second metal hydride heat exchanger 400, and an air outlet 103 is disposed on the dehumidifier enclosure 100 at a position corresponding to the fan 500. With this embodiment, the positions of the first air port 101, the second air port 102 and the air outlet 103 are determined according to the positions of the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500, so that the air flow enters from the first air port 101 and the second air port 102 and is discharged from the air outlet 103, and the air flow can flow more smoothly.

Optionally, humidity sensors are arranged at the first air port 101, the second air port 102 and the air outlet 103; the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are provided with temperature sensors; pressure sensors are provided inside the first hydrogen line 201 and the second hydrogen line 202. With this embodiment, the humidity at the first air port 101, the second air port 102, and the air outlet 103 is detected by the humidity sensors, respectively, to calculate the dehumidification rate; detecting the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 through a temperature sensor, and determining the reverse information of the electrochemical hydrogen pump 200; reversal information of the electrochemical hydrogen pump 200 can also be determined by detecting the pressure inside the first hydrogen line 201 and the second hydrogen line 202 by means of pressure sensors.

Fig. 4 shows an alternative embodiment of the adjustable air duct of the device for dehumidification.

In this alternative embodiment, the adjustable air duct 700 includes a first inlet air duct 701 in which the first metal hydride heat exchanger 300 is disposed, a first inlet air duct 702 in which the second metal hydride heat exchanger 400 is disposed, an outlet air duct 703 in which the fan 500 is disposed, and a cylindrical air duct 704, where the first inlet air duct 701, the first inlet air duct 702, and the outlet air duct 703 are annularly distributed on an outer side surface of the cylindrical air duct 704, and distances between the outlet air duct 703 and the first inlet air duct 701 are the same; the cylindrical air duct 704 is connected with the motor 705 and can drive the cylindrical air duct 704 to rotate along the central line thereof; the side surface of the cylindrical air duct 704 is provided with a first through hole 706 and a second through hole 707, the first through hole 706 is communicated with the outlet air duct 703, and the second through hole 707 is communicated with the first inlet air duct 701 or the first inlet air duct 702.

Adopt this optional embodiment, through the rotation of cylindrical wind channel 704, let first through-hole 706 or second through-hole 707 on the cylindrical wind channel 704 switch on with export wind channel 703 all the time, another switch on with the import wind channel that the heat exchanger of the refrigeration end of electrochemistry hydrogen pump 200 is located all the time, guarantee that the air passes through from the heat exchanger of cold junction, after the dehumidification, get into cylindrical wind channel 704, pass through cylindrical wind channel 704 again, discharge from export wind channel 703, change the wind channel through cylindrical wind channel 704 is rotatory, it is not fragile to have a longer life-span, occupation space is little and can keep great air volume, the wind direction is one and is advanced one during the dehumidification, all inlet air can all be dehumidified, when guaranteeing to utilize electrochemistry hydrogen pump 200 noise reduction, improve dehumidification efficiency.

Optionally, the first inlet duct 701, the first inlet duct 702, and the outlet duct 703 are adjacent to the cylindrical duct 704 and have narrow gaps, and one end corresponding to the cylindrical duct 704 is provided with a sealing rubber ring. By adopting the embodiment, it can be ensured that the first inlet air duct 701, the first inlet air duct 702, the outlet air duct 703 and the cylindrical air duct 704 can smoothly rotate, the first through hole 706 and the second through hole 707 on the cylindrical air duct 704 are enabled to always communicate the outlet air duct 703 with the first inlet air duct 701 or the first inlet air duct 702, thereby ensuring that the air flow enters from the first inlet air duct 701 or the first inlet air duct 702 and is discharged from the outlet air duct 703, and after the cylindrical air duct 704 rotates to a certain position, the sealing rubber ring plays a role in sealing gaps among the first inlet air duct 701, the first inlet air duct 702, the outlet air duct 703 and the cylindrical air duct 704, ensuring that the air flow is centralized and circulates, and preventing air leakage.

Alternatively, the connection between the cylindrical air duct 704 and the motor may be a belt transmission connection or a gear transmission connection, or a rotating shaft of the motor is directly and fixedly connected to the center of the cylindrical air duct 704.

Optionally, the distance between the first through hole 706 and the second through hole 707 is the same as the distance between the outlet duct 703 and the first inlet duct 701 or the first inlet duct 702. With this embodiment, it is possible to ensure that the outlet duct 703 is always in communication with one of the first inlet duct 701 and the first inlet duct 702.

Optionally, the outside of the cylindrical air duct 704 is connected to the cylindrical air duct 704 fixing bracket through a fixing bearing. By adopting the embodiment, smooth rotation of the cylindrical air duct 704 can be ensured, and the cylindrical air duct 704 can be positioned and fixed.

Fig. 5 shows another alternative embodiment of the device for dehumidifying.

Optionally, the electrochemical hydrogen pump 200, the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500 are all arranged in the dehumidifier casing 100, a first air port 101 is arranged on the dehumidifier casing 100 at a position corresponding to the first metal hydride heat exchanger 300, a second air port 102 is arranged on the dehumidifier casing 100 at a position corresponding to the second metal hydride heat exchanger 400, and an air outlet 103 is arranged on the dehumidifier casing 100 at a position corresponding to the fan 500. With this embodiment, the positions of the first air port 101, the second air port 102 and the air outlet 103 are determined according to the positions of the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500, so that the air flow enters from the first air port 101 and the second air port 102 and is discharged from the air outlet 103, and the air flow can flow more smoothly.

Optionally, a filter screen capable of preventing water evaporation is arranged on the water receiving tank 600. Adopt this embodiment, let the water droplet of condensing at the cold junction after the dehumidification fall into the water receiving tank 600 who has the filter screen, the filter screen can provide certain protective rate to the surface of water in the water tank, reduces the gas flow speed of surface of water department, and then reduces the speed of moisture evaporation in the water receiving tank 600, prevents that moisture evaporation from influencing the dehumidification effect.

Optionally, a drain pipe is disposed at the lower side of the water receiving tank 600, so that water in the water receiving tank can be quickly drained. By adopting the embodiment, excessive moisture can be prevented from being accumulated in the water tank 600 again, so that the moisture is volatilized into the air again, and the humidity of the air is increased.

Fig. 6 shows another alternative embodiment of an adjustable air duct for a device for dehumidifying.

In this alternative embodiment, the adjustable air duct 700 includes a first inlet air duct 701 provided with the first metal hydride heat exchanger 300 inside, a first inlet air duct 702 provided with the second metal hydride heat exchanger 400 inside, an outlet air duct 703 provided with the fan 500 inside, and an electric three-way valve 708, where the first inlet air duct 701, the first inlet air duct 702, and the outlet air duct 703 are respectively communicated with interfaces of the electric three-way valve 708.

Adopt this optional embodiment, through the route of adjusting electric three-way valve, let electric three-way valve communicate with export wind channel 703 and first import wind channel 701 or first import wind channel 702 that is in electrochemistry hydrogen pump 200 refrigeration end all the time, guarantee that the air passes through from the heat exchanger of cold junction, after the dehumidification, pass through electric three-way valve 708 again, discharge from export wind channel 703, control simple and convenient more, the operation process is more stable, the wind direction is one and advances one during the dehumidification, whole air intakes all can be dehumidified, when guaranteeing to utilize electrochemistry hydrogen pump 200 noise reduction, improve dehumidification efficiency.

Alternatively, the electric three-way valve 708 is conventional in the art and is well known to those skilled in the art.

Alternatively, the meaning of the first inlet air duct 701 with the first metal hydride heat exchanger 300 arranged inside, the first inlet air duct 702 with the second metal hydride heat exchanger 400 arranged inside, and the outlet air duct 703 with the fan 500 arranged inside includes that the first metal hydride heat exchanger 300 is arranged inside or at the inlet of the first inlet air duct 701, the second metal hydride heat exchanger 400 is arranged inside or at the inlet of the first inlet air duct 702, and the fan 500 is arranged inside or at the outlet of the outlet air duct 703.

Fig. 7 and 8 show another alternative embodiment of the device for dehumidification.

In this optional embodiment, the device for dehumidification includes a dehumidifier casing 100, an electrochemical hydrogen pump 200, a first metal hydride heat exchanger 300, a second metal hydride heat exchanger 400 and a fan 500, one side of the electrochemical hydrogen pump 200 is communicated with the first metal hydride heat exchanger 300 through a first hydrogen pipeline 201, the other side of the electrochemical hydrogen pump 200 is communicated with the second metal hydride heat exchanger 400 through a second hydrogen pipeline 202, and water receiving tanks 600 are arranged at the lower sides of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400; the fan 500 is disposed between the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and the fan 500 is connected to the rotating structure 800 for driving the fan 500 to change the wind direction.

By adopting the optional embodiment, the fan 500 is driven to change direction through the rotation of the rotating structure 800, so as to change the wind direction, and ensure that the air passes through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 at the cold end, is dehumidified and then is discharged through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 at the hot end, the wind direction is one inlet and one outlet during dehumidification, all inlet air can be dehumidified, the air with reduced temperature after dehumidification is heated through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 at the hot end, and is recovered to normal temperature and then is discharged completely, so that the noise is reduced by using the electrochemical hydrogen pump 200, the influence on the air temperature is reduced, and the dehumidification efficiency is improved.

Optionally, the electrochemical hydrogen pump 200, the first metal hydride heat exchanger 300, the second metal hydride heat exchanger 400 and the fan 500 are all disposed in the dehumidifier enclosure 100, a first air port 101 is disposed on the dehumidifier enclosure 100 at a position corresponding to the first metal hydride heat exchanger 300, and a second air port 102 is disposed on the dehumidifier enclosure 100 at a position corresponding to the second metal hydride heat exchanger 400. With this embodiment, the first gas port 101 and the second gas port 102 are positioned according to the positions of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, allowing the gas flow to enter from one of the first gas port 101 and the second gas port 102 and to exit from the other, allowing the gas flow to circulate more smoothly.

Optionally, humidity sensors are arranged at the first air port 101 and the second air port 102; the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are provided with temperature sensors; pressure sensors are provided inside the first hydrogen line 201 and the second hydrogen line 202. With this embodiment, the humidity at the first air port 101 and the second air port 102 is detected by the humidity sensors, respectively, for calculating the dehumidification rate; detecting the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 through a temperature sensor, and determining the reverse information of the electrochemical hydrogen pump 200; reversal information of the electrochemical hydrogen pump 200 can also be determined by detecting the pressure inside the first hydrogen line 201 and the second hydrogen line 202 by means of pressure sensors.

Alternatively, the rotating structure 800 includes a turntable 801 and a turntable motor 802, and the blower 200 is mounted on the surface of the turntable 801. By adopting the embodiment, the purpose of driving the fan 500 to rotate and changing the wind direction of the fan 500 can be achieved by driving the turntable 801 to rotate through the turntable motor 802.

Alternatively, the rotating structure 800 includes a rotating motor, and one end of a rotating shaft of the rotating motor is directly and fixedly connected to one side of the fan 500. By adopting the embodiment, the fan 500 can be directly driven to rotate to change the wind direction of the fan 500 through the rotation of the rotating motor.

Optionally, the plane of rotation of the rotating disk 800 is in the same plane as the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400. With this embodiment, it can be ensured that the wind direction blown by the fan 500 on the turntable 800 is parallel to the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400.

Alternatively, the blower 500 is directly fixed on the surface of the upper turntable 801, and may be fixed by using a screw or a bayonet.

Optionally, the turntable motor 802 and the turntable 801 are directly and fixedly connected to the center of the turntable 801 through belt transmission or gear transmission or a rotating shaft of the turntable motor 802, so as to drive the turntable 801 to rotate along the center of the turntable 801.

Fig. 9 shows an alternative embodiment of a method of controlling a device for dehumidification.

In this alternative embodiment, a method of controlling an apparatus for dehumidifying is used to control the apparatus of any of the previous alternative embodiments.

The method comprises the following steps:

step 901, the controller receives a dehumidification instruction;

step 902, starting a fan after the controller starts the electrochemical hydrogen pump;

step 903, the controller acquires the dehumidification rate of the device for dehumidification;

the controller controls the power of the fan based on the reversal information of the electrochemical hydrogen pump and the dehumidification rate of the means for dehumidifying 904.

By adopting the optional embodiment, when the electrochemical hydrogen pump 200 is reversed, the refrigerating and heating capacities of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are both reduced, the dehumidifying effect is also reduced, at this time, the power of the fan 500 is adjusted, and the power of the fan 500 is reduced, so that the energy consumption is reduced, when the electrochemical hydrogen pump 200 is reversed, the refrigerating and heating capacities of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are recovered, at this time, the power of the fan 500 is increased, and the normal dehumidifying operation is recovered; meanwhile, the power of the fan 500 is adjusted according to the change of the dehumidification rate during normal dehumidification operation, when the dehumidification rate is too low, the power of the fan 500 is increased, the ventilation volume is increased, dehumidification is accelerated, and similarly, when the dehumidification rate is too high, the power of the fan 500 is reduced, the ventilation volume is reduced, and dehumidification is slowed down.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump further comprises: the controller obtains the reverse information of the electrochemical hydrogen pump 200 according to the pressure changes in the first hydrogen pipeline 201 and the second hydrogen pipeline 202. With this embodiment, a change in pressure in the first hydrogen line 201 and the second hydrogen line 202 is detected, and a change in pressure in one of the first hydrogen line 201 or the second hydrogen line 202 from increasing to decreasing and another from decreasing to increasing indicates that the electrochemical hydrogen pump 200 is beginning to reverse.

Optionally, the method further comprises: the controller starts the self-cleaning fan 301 to perform air washing for a preset duration according to the reverse information of the electrochemical hydrogen pump 200. By adopting the embodiment, when the electrochemical hydrogen pump 200 is reversed, the refrigeration and heating of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 start to exchange, the original cold end is about to become the hot end, and at the moment, the self-cleaning fan 301 is started to blow off condensed water drops on the cold end and residual water drops, so that the residual water drops are prevented from being evaporated again to form water vapor to increase the air humidity; for example, when the electrochemical hydrogen pump 200 starts to rotate in reverse, the self-cleaning fan 301 is started, and after a 30-second air wash, the self-cleaning fan 301 is automatically turned off.

Optionally, the method further comprises: the self-cleaning fan 301 is started immediately when the electrochemical hydrogen pump 200 starts to reverse.

Optionally, the method further comprises: when the electrochemical hydrogen pump 200 starts to reverse, the self-cleaning fan 301 is started for a preset period of time.

Optionally, the method comprises: the dehumidification rate is determined by the ratio of the humidity at the first air port 101 to the humidity at the air outlet 103, or the dehumidification rate is determined by the ratio of the humidity at the second air port 102 to the humidity at the air outlet 103, or the dehumidification rate is determined by the ratio of the average of the humidity at the first air port 101 and the humidity at the second air port 102 to the humidity value at the air outlet 103. With this embodiment, the controller compares the humidity of the inlet air with the humidity of the outlet air to obtain a parameter, which is defined as the dehumidification rate.

Fig. 10 shows another alternative embodiment of a method of controlling an apparatus for dehumidifying.

The method comprises the following steps:

step 901, the controller receives a dehumidification instruction;

step 902, starting an electrochemical hydrogen pump by a controller, and then starting a fan to operate;

step 905, the controller controls the cylindrical air duct to rotate according to the reverse rotation information of the electrochemical hydrogen pump.

Adopt this optional embodiment, when electrochemistry hydrogen pump 200 begins to reverse, first metal hydride heat exchanger 300 and second metal hydride heat exchanger 400's refrigeration and heating can alternate each other this moment, original cold junction becomes the hot junction, the hot junction becomes the cold junction, cylindrical wind channel 704 is rotated this moment, change the wind channel with export wind channel 703 intercommunication, the import wind channel that guarantees the cold junction correspondence is connected with export wind channel 703 all the time, thereby cool down the air of process, guarantee that the device can carry out the dehumidification operation all the time, increase dehumidification efficiency.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump further comprises: the controller obtains the reversal information of the electrochemical hydrogen pump 200 according to the signal of the current or the voltage connected with the electrochemical hydrogen pump 200. By adopting the embodiment, the characteristic that the electrochemical hydrogen pump 200 reverses along with the reversal of the current and the voltage is utilized, the reversal information of the electrochemical hydrogen pump 200 is obtained by detecting the reversal information of the working current or the working voltage when the electrochemical hydrogen pump 200 works, the cold end and the hot end of the electrochemical hydrogen pump 200 are determined to start to exchange through the reversal information, and other steps in the exchange process of the cold end and the hot end of the electrochemical hydrogen pump 200 can be controlled in an auxiliary manner.

Optionally, the method further comprises: the controller controls the operation of the fan 500 to stop before controlling the cylindrical air duct 704 to rotate according to the reverse information of the electrochemical hydrogen pump 200, and controls the operation of the fan 500 to start after controlling the cylindrical air duct 704 to rotate according to the reverse information of the electrochemical hydrogen pump 200. By adopting the embodiment, when the cylindrical air duct 704 rotates, the first through hole 706 and the second through hole 707 are closed in a short time, the air flow is not circulated at the moment, the negative pressure is easily formed by the rotation of the fan 500, and the rotation of the fan 500 is equivalent to doing useless work at the moment, so that the operation of the fan 500 is stopped before the cylindrical air duct 704 rotates, the operation of the fan 500 is started after the cylindrical air duct 704 rotates, the air duct changing process can be more stable, and the energy consumption can be reduced.

Optionally, the method further comprises: after the controller starts the operation of the fan 500, the dehumidification rate of the device is obtained; the controller controls the power of the fan 500 according to the dehumidification rate of the device. Adopt this embodiment, adjust fan 500's power according to the change of dehumidification rate when normal dehumidification is worked, when the dehumidification rate is low excessively, increase fan 500's power, increase the air volume for dehumidification, in the same way when the dehumidification rate is too high, reduce fan 500's power, reduce the air volume, slow down the dehumidification.

Optionally, the method further comprises: the controller starts the self-cleaning fan 301 to perform air washing for a preset duration according to the reverse information of the electrochemical hydrogen pump 200. By adopting the embodiment, when the electrochemical hydrogen pump 200 reverses, the refrigeration and heating of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 start exchanging, the original cold end is about to become the hot end, and at this time, the self-cleaning fan 301 is started to condense and blow off the residual water drops on the cold end, so that the residual water drops after the cold end becomes the hot end are prevented from evaporating again to become water vapor to increase the air humidity.

Fig. 11 shows another alternative embodiment of a method of controlling an apparatus for dehumidifying.

The method comprises the following steps:

step 901, the controller receives a dehumidification instruction;

and step 906, the controller controls the electric three-way valve to switch the passage according to the reverse information of the electrochemical hydrogen pump.

Adopt this optional embodiment, when electrochemistry hydrogen pump 200 begins to reverse, first metal hydride heat exchanger 300 and second metal hydride heat exchanger 400's refrigeration and heating can alternate each other this moment, original cold junction becomes the hot junction, control electronic three-way valve 708 switching path, the wind channel with export wind channel 703 intercommunication changes this moment, the import wind channel that guarantees the cold junction to correspond is connected with export wind channel 703 all the time, thereby dehumidify the air of process, guarantee that the device can carry out the dehumidification operation all the time, increase dehumidification efficiency.

Optionally, the method comprises: the controller controls the operation of the fan 500 to stop before the electric three-way valve 708 is switched to the passage according to the reverse information of the electrochemical hydrogen pump 200, and controls the operation of the fan 500 to start after the electric three-way valve 708 is switched to the passage according to the reverse information of the electrochemical hydrogen pump 200. By adopting the embodiment, when the electric three-way valve 708 switches the passage, the air duct is closed for a short time, the air flow is not circulated at the moment, the rotation of the fan 500 easily forms negative pressure, and the rotation of the fan 500 is equivalent to doing useless work at the moment, so that the operation of the fan 500 is stopped before the electric three-way valve 708 switches the passage, and after the electric three-way valve 708 switches the passage, the operation of the fan 500 is started, so that the process of changing the air duct is more stable, and the energy consumption can be reduced.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump further comprises: the controller obtains the reversal information of the electrochemical hydrogen pump 200 through the change of the dehumidification rate. By adopting the embodiment, in the process of reversing the electrochemical hydrogen pump 200, when the cold end and the hot end are exchanged, the dehumidification rate of the device can be obviously reduced, the reversing information of the electrochemical hydrogen pump 200 is determined through the change of the dehumidification rate, the period of the change of the dehumidification rate is directly utilized to control the follow-up operation, and the control is more accurate.

Fig. 12 shows an alternative embodiment of a method of controlling a device for dehumidification.

The method comprises the following steps:

step 901, the controller receives a dehumidification instruction;

and step 907, controlling the fan to change the wind direction by the controller according to the reverse information of the electrochemical hydrogen pump.

By adopting the optional embodiment, when the electrochemical hydrogen pump 200 starts to reverse, at the moment, the refrigeration and heating of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 can be alternated, the original cold end is changed into the hot end, the fan 800 is controlled to rotate, and the fan 500 is driven to rotate, so that the wind direction is changed, gas is ensured to always pass through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 at the cold end, and then pass through the first metal hydride heat exchanger 300 or the second metal hydride heat exchanger 400 at the hot end, so that the air is firstly dehumidified and then heated, continuous dehumidification is ensured, and the dehumidification efficiency is increased.

Optionally, the method comprises: the controller controls the wind direction of the fan 500 to be changed by 180 degrees at a time. With this embodiment, the wind direction of the fan 500 is controlled to change 180 degrees each time, the wind direction of the fan 500 is reversed, and the incoming wind is changed from first passing through the first metal hydride heat exchanger 300 to first passing through the second metal hydride heat exchanger 400, or from first passing through the second metal hydride heat exchanger 400 to first passing through the first metal hydride heat exchanger 300.

Optionally, the method of obtaining reversal information of the electrochemical hydrogen pump further comprises: the controller obtains the reversal information of the electrochemical hydrogen pump 200 according to the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400. By adopting the embodiment, when the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400 are obvious, it is indicated that the cold end and the hot end of the electrochemical hydrogen pump 200 are in reversion, and since the dehumidification process is closely related to the temperatures of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, the reversion information of the electrochemical hydrogen pump 200 is obtained by detecting the temperature changes of the first metal hydride heat exchanger 300 and the second metal hydride heat exchanger 400, and a more accurate effect can be achieved in the subsequent control process.

Optionally, the method further comprises: the controller controls the operation of the fan 500 to stop before controlling the fan 800 to rotate according to the reverse information of the electrochemical hydrogen pump 200, and controls the operation of the fan 500 to start after controlling the fan 800 to rotate according to the reverse information of the electrochemical hydrogen pump 200. By adopting the embodiment, the operation of the fan 500 can be stopped in the process of rotating the rotating structure 800, and unnecessary energy consumption is reduced.

In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as a memory comprising instructions, executable by a processor to perform the foregoing method is also provided. The non-transitory computer readable storage medium may be a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic tape, an optical storage device, and the like.

It should be understood that the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. The present invention is not limited to the procedures and structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A device for dehumidification, comprising: a dehumidifier housing, an electrochemical hydrogen pump, a first metal hydride heat exchanger, a second metal hydride heat exchanger and a fan, one side of the electrochemical hydrogen pump The first hydrogen pipeline is connected to the first metal hydride heat exchanger, and the other side of the electrochemical hydrogen pump is connected to the second metal hydride heat exchanger through a second hydrogen pipeline. A water receiving tank is provided on the lower side of a metal hydride heat exchanger and the second metal hydride heat exchanger, characterized in that the first metal hydride heat exchanger and the second metal hydride heat exchanger are There is a preset angle between them, and the preset angle is greater than 10 degrees and less than or equal to 180 degrees, and the fan is arranged between the first metal hydride heat exchanger and the second metal hydride heat exchanger. On the bisector line of the included angle of the heat exchanger; the self-cleaning fan and arc-shaped groove provided on the upper side of the first metal hydride heat exchanger and the second metal hydride heat exchanger, the water receiving tank There is a filter screen that can prevent water evaporation, and also includes: a controller, the controller obtains the reversal information of the electrochemical hydrogen pump according to the pressure changes in the first hydrogen pipeline and the second hydrogen pipeline, and the controller according to the first hydrogen pipeline. The temperature change of the metal hydride heat exchanger and the second metal hydride heat exchanger, obtain the reversal information of the electrochemical hydrogen pump, when the electrochemical hydrogen pump starts to reverse, immediately start the self-cleaning fan or preset The self-cleaning fan is activated for a period of time.

2 . The device of claim 1 , wherein the predetermined included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees. 3 .

3. The device according to claim 1, wherein the electrochemical hydrogen pump, the first metal hydride heat exchanger, the second metal hydride heat exchanger and the fan are all provided with In the dehumidifier casing, a first air port is provided on the dehumidifier casing at a position corresponding to the first metal hydride heat exchanger, and the dehumidifier casing is connected to the second metal hydride heat exchanger. The position corresponding to the material heat exchanger is provided with a second air outlet, and the position corresponding to the fan on the dehumidifier casing is provided with an air outlet.

4. The device of claim 3, wherein a humidity sensor is provided at the first air port, the second air port and the air outlet; the first metal hydride heat exchanger and the A temperature sensor is arranged on the second metal hydride heat exchanger; and a pressure sensor is arranged inside the first hydrogen pipeline and the second hydrogen pipeline.

5 . The device of claim 1 , wherein the wind direction of the self-cleaning fan blows vertically to the water receiving tank. 6 .

6. A method of controlling an apparatus for dehumidification, for controlling the apparatus of claim 1, comprising:

the controller receives a dehumidification instruction;

The controller starts the electrochemical hydrogen pump and the blower;

the controller obtains the dehumidification rate of the device for dehumidification;

The controller controls the power of the fan according to the reverse information of the electrochemical hydrogen pump and the dehumidification rate of the device for dehumidification;

According to the reversal information of the electrochemical hydrogen pump, the controller starts the self-cleaning fan immediately or starts the self-cleaning fan within a preset time period when the electrochemical hydrogen pump starts to reverse;

The controller acquires the reversal information of the electrochemical hydrogen pump according to the pressure changes in the first hydrogen pipeline and the second hydrogen pipeline.

7 . The method of claim 6 , further comprising: the controller, according to the reversal information of the electrochemical hydrogen pump, starts a self-cleaning fan to perform air washing for a preset duration. 8 .