JP6037007B2 - Dehumidifier - Google Patents

Description

  The present invention relates to a dehumidifier that dehumidifies indoor moisture, and more particularly to a dehumidifier that dries laundry such as clothes to be dried indoors.

  Conventionally, a dehumidifier suitable for indoor dehumidification and drying of washed clothes is known (see, for example, Patent Document 1). In this dehumidifier, an intake port and an outlet are provided in the main body, and an evaporator, a condenser, and a sirocco fan that blows dry air from the outlet are provided in the main body. In this dehumidifier, a wind direction plate for blowing dry air in multiple directions is rotatably provided inside the air outlet, and a motor for rotating the wind direction plate is provided. According to such a structure, the dry air dehumidified and heated by the evaporator and the condenser is blown out into the room from the outlet.

Japanese Unexamined Patent Publication No. 7-139759 (FIG. 1)

  However, since the configuration described in Patent Document 1 does not perform appropriate air blow or dehumidification operation control according to the situation around the dehumidifier, there is a problem in energy saving.

  This invention is for solving the said subject, and it aims at obtaining the dehumidifier which performs appropriate dehumidification control according to the surrounding condition which uses a dehumidifier.

In order to solve the above problems, a housing, a blower means for taking in indoor air into the housing and blowing it to the outside, a dehumidifying means for removing moisture from the indoor air taken into the housing, and room air An air temperature detecting means for measuring the temperature of the air, a wind direction changing means for changing the wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing, and a direction in which the dry air is blown out The surface temperature detecting means for detecting the surface temperature of the part located in the area and the control means for controlling each means, the control means divides the area that can be blown by the wind direction changing means into a plurality of blocks, each block Each time the surface temperature is detected by the surface temperature detection means, the temperature difference between the room air temperature and the surface temperature is obtained, and the temperature difference is compared with a predetermined first determination temperature, thereby allowing the block to be dried. Things are position Determines whether Luke has a storage means for storing a past driving history, the operation history includes whether the judgment history drying object for each block is located, the control means, the determination Based on the history, the dehumidifier is configured to change the value of the first determination temperature .
Further, in order to solve the above problems, a housing, a blowing unit that takes in indoor air into the housing and blows out to the outside, a dehumidifying unit that removes moisture from the indoor air taken into the housing, An air temperature detecting means for measuring the temperature of the indoor air, a wind direction changing means for changing a wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing, and a blow of the dry air The surface temperature detecting means for detecting the surface temperature of the part located in the direction of taking out, and the control means for controlling each means, the control means divides the area that can be blown by the wind direction varying means into a plurality of blocks, respectively The surface temperature is detected for each block by the surface temperature detecting means, the temperature difference between the room air temperature and the surface temperature is obtained, and the temperature difference is compared with a predetermined first determination temperature to Dry object After the determination of the position of the object to be dried, the control means controls the dehumidifying means to perform the dehumidifying operation, and the surface temperature detecting means for each block during the dehumidifying operation. When the temperature is detected and the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or longer, a non-dry object that is not a dry object is positioned in the block. The length of the determination time is determined, and the dehumidifier is configured to change based on the determination history of whether or not the non-drying object is located for each block.
Further, in order to solve the above problems, a housing, a blowing unit that takes in indoor air into the housing and blows out to the outside, a dehumidifying unit that removes moisture from the indoor air taken into the housing, An air temperature detecting means for measuring the temperature of the indoor air, a wind direction changing means for changing a wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing, and a blow of the dry air The surface temperature detecting means for detecting the surface temperature of the part located in the direction of taking out, and the control means for controlling each means, the control means divides the area that can be blown by the wind direction varying means into a plurality of blocks, respectively The surface temperature is detected for each block by the surface temperature detecting means, the temperature difference between the room air temperature and the surface temperature is obtained, and the temperature difference is compared with a predetermined first determination temperature to Dry object After the determination of the position of the object to be dried, the control means controls the dehumidifying means to perform the dehumidifying operation, and the surface temperature detecting means for each block during the dehumidifying operation. When the temperature is detected and the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or longer, a non-dry object that is not a dry object is positioned in the block. The control means determines the determination time according to the determination as to whether or not there is a drying object in a block of a predetermined ratio or more among the blocks determined as the drying object during the previous operation. Configure the dehumidifier.
Furthermore, in order to solve the above-mentioned problem, a housing, a blowing unit that takes in indoor air into the housing and blows it outside, a dehumidifying unit that removes moisture from the indoor air taken into the housing, An air temperature detecting means for measuring the temperature of the indoor air, a wind direction changing means for changing a wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing, and a blow of the dry air The surface temperature detecting means for detecting the surface temperature of the part located in the direction of taking out, and the control means for controlling each means, the control means divides the area that can be blown by the wind direction varying means into a plurality of blocks, respectively The surface temperature is detected for each block by the surface temperature detecting means, the temperature difference between the room air temperature and the surface temperature is obtained, and the temperature difference is compared with a predetermined first determination temperature to Target for drying After the determination of the position of the object to be dried, the control means controls the dehumidifying means to perform the dehumidifying operation, and the surface temperature detecting means for each block during the dehumidifying operation. When the surface temperature is detected and the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or longer, a non-dry object that is not a dry object is positioned in the block. Then, the control unit compares the arrangement pattern of the block determined to be located with the non-drying object determined in the past operation with the arrangement pattern of the block determined to be the non-drying object in the current operation. Thus, the dehumidifier is configured to determine whether or not the vehicle is operated in the same environment as the past operation and to determine the determination time based on the determination.

  ADVANTAGE OF THE INVENTION According to this invention, the dehumidifier which can perform appropriate dehumidification control according to the surrounding condition which uses a dehumidifier is obtained.

1 is an external perspective view showing a dehumidifier according to Embodiment 1. FIG. It is a schematic block diagram of the internal structure of the dehumidifier which concerns on Embodiment 1. FIG. FIG. 3 is a schematic perspective view of wind direction varying means according to the first embodiment. 3 is a control block diagram of the dehumidifier according to Embodiment 1. FIG. It is a figure which shows the detection possible area | region of the infrared sensor of the dehumidifier which concerns on Embodiment 1. FIG. It is a figure which shows an example of the drying target object R installation figure which concerns on Embodiment 1. FIG. (A) Schematic diagram of data detected by infrared sensor of drying object R before drying operation according to Embodiment 1, (b) Infrared sensor of drying object R in a predetermined time elapsed state after drying operation according to Embodiment 1. FIG. It is the first half part of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 1. FIG. It is a second half part of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 1. FIG. It is a figure which shows the example of the window determination in normal operation | movement. It is a figure which shows the example of the laundry detection at the time of passing through (a) step S4 which concerns on Embodiment 1, and the example of the window determination at the time of passing through (b) step S11. It is the first half of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 2. FIG. It is the second half part of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 2. FIG. It is the first half part of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 3. FIG. It is a latter half part of the flowchart which shows the operation | movement of the clothing drying driving | operation of the dehumidifier which concerns on Embodiment 3. FIG.

(Embodiment 1)
The first embodiment will be described below with reference to FIGS.
Referring to FIG. 1, the outer shell of the dehumidifier J is constituted by a dehumidifier housing 100 (hereinafter referred to as a housing 100) configured to be able to stand on its own.
The housing 100 is provided with a suction port 101 for taking in the room air P inside and an exhaust port 103 for discharging the dry air Q from which moisture has been removed from the housing 100 to the room. In addition, a water storage tank 102 that stores water removed from the air taken into the suction port 101 is provided inside the housing 100.

The suction port 101 is provided to be opened on the back surface of the housing 100, and a filter for preventing dust from entering the housing 100 is provided in the opening.
The exhaust port 103 is provided with a wind direction varying means 1 capable of varying the wind direction of the dry air Q. The wind direction varying means 1 is composed of a vertical louver 1a that varies the wind direction in the vertical direction and a horizontal louver 1b that varies the wind direction in the horizontal direction. The wind direction varying means 1 is provided with an infrared sensor 6 (surface temperature detecting means) that measures the surface temperature of the object in a non-contact manner.
The water storage tank 102 is detachably attached from the inside of the housing 100.

  Further, referring to FIG. 2, the inside of the dehumidifier J includes a blower fan 2 that sucks room air P from the suction port 101 and generates an airflow that discharges dry air Q from the exhaust port 103, and the blower fan 2. A fan motor 2a that rotates, a temperature sensor 3 (air temperature detecting means) that detects the temperature of the indoor air P sucked from the suction port 101, and a humidity sensor 4 (humidity detecting means) that detects the humidity of the indoor air P Dehumidifying means 5 for removing moisture contained in the indoor air P to generate dry air Q, a longitudinal variable motor 1c that varies the longitudinal louver 1a in the vertical direction, and a lateral louver 1b that varies in the horizontal direction A laterally variable motor 1d, an infrared sensor 6 as surface temperature detection means, and a control circuit 7 as control means for controlling each part are provided.

The dehumidifying means 5 is located in the air path from the suction port 101 to the exhaust port 103 and removes moisture in the air to condense. Examples of the method used for the dehumidifying means 5 include a method in which a heat pump circuit is configured to condense moisture in the air in an evaporator, or a desiccant method in which moisture in the air removed by the adsorbent is condensed in a heat exchanger. It is used.
The water removed from the room air P by the dehumidifying means 5 is stored in the water storage tank 102 as condensed water C. The air from which moisture has been removed becomes dry air Q.

Next, referring to FIGS. 3 and 4, the longitudinal louver 1a constituting the wind direction varying means 1 has a rectangular opening extending in the width direction of the casing 100, and the rotation of the aforementioned longitudinally variable motor 1c. It is configured to be variable in the vertical direction about the axis.
Thereby, the vertical direction louver 1a is configured to be capable of changing the wind direction in the vertical direction (vertical direction).

Further, the horizontal louvers 1b are arranged at equal intervals in the vertical louver 1a, and are pivotally supported by a collar opposite to the opening of the vertical louver 1a so as to be variable in the horizontal direction. It is configured to be linked to the drive.
Thereby, the horizontal direction louver 1b is comprised so that a wind direction can be varied in a horizontal direction (left-right direction).

The infrared sensor 6 is attached to one side of a substantially central lateral louver 1b arranged inside the longitudinal louver 1a.
Thereby, the detection range of the surface temperature by the infrared sensor 6 becomes substantially the same as the blowing direction of the dry air Q which is varied by the air direction varying means 1. That is, the infrared sensor 6 can detect the surface temperature of the region within the range in which the wind direction varying means 1 can blow.

The infrared sensor 6 is, for example, one that uses a thermoelectromotive force effect, and detects the temperature of the infrared absorption film 6a that receives thermal radiation (infrared rays) emitted from the surface of a predetermined region, and the temperature of the infrared absorption film 6a. And the thermistor 6b (see FIG. 3).
The infrared sensor 6 has a difference between the temperature of the heat-sensitive part of the infrared absorption film 6a that rises in temperature by absorbing thermal radiation (hot contact) and the temperature of the infrared absorption film 6a detected by the thermistor 6b (cold contact). Is converted into an electric signal such as a voltage and input to the control circuit 7 described later. The surface temperature of the predetermined region can be determined from the magnitude of this electrical signal.

In the present embodiment, the infrared sensor 6 determines the position of a dry object R such as wet laundry and the position of a window that is a non-dry object that is not a dry object, based on the difference in the surface temperature of the object to be detected. Used to distinguish.
Here, as shown in FIG. 5, the entire scanning range 200 is obtained in a region that can be detected by the infrared sensor 6. The entire scanning range 200 is a planar range extending in the horizontal direction (horizontal direction) and the vertical direction (vertical direction). In the following description, this range is referred to as a detectable area A.
The infrared sensor 6 is controlled so as to detect the surface temperature for each divided area (each block) 201 that is divided into a plurality of areas in the entire scanning range 200 in the horizontal and vertical directions. Thereby, a detailed temperature map can be created for a wide range of detectable regions A.

That is, referring to FIGS. 6 and 7, the control circuit 7 divides the detectable area A of the infrared sensor 6 into blocks each having a predetermined size, and determines the surface temperature for each block, thereby drying the block. The position of the object R or the degree of drying is determined.
For example, it is a block in which the state where the portion B painted in the detectable region A is at a lower temperature than the other portions is detected. In addition, it has shown that the part which is deeply painted in the figure becomes colder.

Then, the control circuit 7 determines that the laundry is located in the portion where the surface temperature is low, and the direction of the wind direction varying means 1 or the movement of the fan motor is performed so that the dehumidified air efficiently hits the position during the dehumidifying operation. To control.
As will be described in detail later, the control circuit 7 stores the results of the laundry position determination and the window position determination performed in the past for each block (divided area).

Next, the control circuit 7 and various sensors and electronic components connected to the control circuit 7 will be described with reference to FIG.
The control circuit 7 controls the operation of the entire dehumidifier J based on inputs from various sensors or various switches and a predetermined algorithm. The control circuit 7 includes an input circuit 7a, an output circuit 7b, a CPU 7c, a storage unit 7d, and a timer unit 7e. Have. The timer unit 7e is an operation time measuring unit that measures the operation time from the start of operation.

The storage unit 7d stores the above algorithm for controlling each part of the dehumidifier J. In this algorithm, an operation control program for determining operation control based on inputs from various sensors or switches, and a subsequent operation time is determined based on detection signals of the temperature sensor 3 and the humidity sensor 4 and the output of the timer unit 7e. An operating time determination program is included.
Further, as will be described later in detail, the storage unit 7d also stores data for determining the positions of windows and laundry performed in the past dehumidifying operation.

The control circuit 7 configured in this manner is connected to an operation switch 8 for turning ON / OFF the operation of the dehumidifier J, a temperature sensor 3, a humidity sensor 4, and an infrared sensor 6 through an input circuit 7a. Yes.
Further, the control circuit 7 includes an electric part such as a display unit 12 for notifying the state of the dehumidifier, a dehumidifying means 5, a fan motor 2a, a vertical variable motor 1c, and a horizontal variable motor 1d via an output circuit 7b. Is connected.

  When the control circuit 7 detects that the dehumidifying mode is selected from the operation of the operation switch 8 constituting the operation unit, the control circuit 7 drives the wind direction varying means 1 so that the indoor humidity becomes the optimum humidity. Then, air can be blown from the exhaust port 103, the fan motor 2a is driven to rotate the blower fan 2, and the dehumidifying means 5 is driven.

Further, the control circuit 7 drives the longitudinal direction variable motor 1c and the lateral direction variable motor 1d of the wind direction varying means 1 so that the air is blown in the direction of the desired area in the room.
As a result, the indoor air P is taken into the dehumidifier housing 100 from the suction port 101, and the indoor temperature and humidity are detected by the temperature sensor 3 and the humidity sensor 4, respectively, and then dehumidified by the dehumidifying means 5 and dried. Air Q is discharged from the exhaust port 103 into the room.

Next, with reference to FIG.8 and FIG.9, the operation | movement at the time of the clothing drying operation of the dehumidifier J with which each part was comprised as mentioned above is demonstrated. 8 and 9 are flowcharts showing a series of operations. FIG. 8 shows the first half of the flowchart and FIG. 9 shows the second half of the flowchart.
In the following description, the time measurement, the humidity measurement, and the temperature measurement are performed by the timer unit 7e, the humidity sensor 4, the temperature sensor 3, and the infrared sensor 6, respectively, and various arithmetic processes performed based on these measured values. The operation of each unit is executed by the control circuit 7.

(Laundry detection)
First, when the clothes drying operation is started, the control circuit 7 starts an initial sampling operation in step S1, and proceeds to step S2.
Here, the initial sampling operation means that the surface temperature is detected for each divided area (block) obtained by dividing the detectable area A by the infrared sensor 6, and dry air is actively sent to each target block. This is an operation for determining whether or not there is an object to be dried that promotes drying, that is, laundry.

Next, in step S2, the control circuit 7 determines whether or not the number of times it is determined that there is laundry in the block to be sampled in the clothes drying operation performed in the past is equal to or greater than the specified number.
In addition, the memory | storage part 7d accumulates and memorize | stores the frequency | count determined with the laundry for every block in the clothes drying driving | operation performed in the past as data, and the control circuit 7 is more than said frequency | count based on this data. It is determined whether or not.

If it is determined in step S2 that the number of times that there is laundry in the block to be sampled in the past clothes drying operation is less than the prescribed number, the process proceeds to step S3 and the determination temperature (first determination temperature) is set to normal. The value T1 is set, and the process proceeds to step S5.
In step S2, if the number of times the laundry to be sampled in the past clothing drying operation is determined to be greater than or equal to the specified number of times, the process proceeds to step S4 to determine the determination temperature (first determination temperature). ) Is set to a special value T2 that is smaller than T1, and the process proceeds to step S5 (T1> T2).

Next, in step S5, “ΔT = room temperature−measured value” is obtained for each block, and compared with the determination temperature set in steps S3 and S4 (determination temperature ≦ ΔT?), There is laundry in the target block. It is determined whether or not.
The room temperature is the temperature of room air measured by the temperature sensor 3. The measured value is the surface temperature of the target block measured by the infrared sensor 6. ΔT is the difference obtained by subtracting the measured value from room temperature.

Here, since the laundry is wet, the surface temperature is lower than room temperature. In particular, as time passes, drying begins, moisture in the laundry begins to evaporate, and the surface temperature of the laundry decreases due to heat of vaporization.
That is, there is a difference ΔT between the room temperature and the temperature of the target block, which is a measurement value of the infrared sensor 6, and the larger this difference ΔT is, the higher the possibility that there is a laundry at the target block position. it can.
Therefore, in step S5, ΔT is compared with a determination temperature that is a predetermined threshold (determination temperature ≦ ΔT?) To determine whether there is laundry in the target block.

Moreover, if a large value is used for the determination temperature that is a threshold value for determining whether there is laundry, it is difficult to determine that there is laundry. That is, if the difference ΔT is not larger, it is not determined that the temperature is higher than the determination temperature.
On the other hand, when a small value is used for the determination temperature, it is easy to determine that there is laundry. That is, since the determination temperature is a small value, it is determined that the difference ΔT is larger than the determination temperature even if the difference ΔT is not so large.
Therefore, since a block in which the cumulative number of times that the laundry has been determined in the past driving is greater than or equal to the predetermined number is likely to have the laundry in the current driving, the determination temperature is set to the normal determination temperature T1. Comparison is made with the above-mentioned ΔT at a special determination temperature T2 which is a small value.

As a result, a block whose cumulative number of times determined to have laundry in the past driving is greater than or equal to a predetermined number is likely to be determined to have laundry even if the difference ΔT between the room temperature and the target block temperature is small. Therefore, it can be determined that there is laundry at an early stage of the initial sampling operation.
In particular, in the laundry, in the initial stage of the start of drying, as time elapses, moisture in the laundry begins to evaporate, and the surface temperature of the laundry gradually decreases due to heat of vaporization.
Therefore, at the initial stage of starting drying, the difference ΔT between the room temperature and the block temperature is small, but if the determination temperature, which is a threshold, is reduced, it can be determined that there is laundry at an early stage.

As described above, when the laundry is detected in the target block in step S5, the laundry detection count of the block is added and stored, and the process proceeds to step S6.
In step S6, it is determined whether or not the determination of the presence or absence of the laundry in all the blocks has been completed. If the determination of the presence / absence of the laundry is completed, the process proceeds to step S7. If the determination is not completed, the process proceeds to step S2 to determine an undetermined block.

The initial sampling operation from step S1 to S6 has been described above. However, this initial sampling operation may detect all the target blocks a predetermined number of times, or may be repeatedly detected for a predetermined time. Good.
Further, when the initial sampling operation is repeatedly performed for all the blocks a predetermined number of times or within a predetermined time, the blocks determined as having the laundry may be skipped and the presence / absence of the laundry may be determined. As a result, the operation time can be shortened.

Steps S1 to S6 are a control flow for detecting the position of the laundry from the difference between the room temperature and the detected temperature of each block, but at the position determined to be the laundry, the surface temperature lower than the room temperature as in the laundry. Parts, for example windows, may be included. The window is a non-drying object that is not the object to be dried.
Therefore, by performing the control processing from step S7 to S14, the block where the window is located is detected, and a more efficient clothes drying operation is realized.

Referring to FIG. 9, in step S <b> 7, the control circuit 7 starts the clothes drying operation based on the detection results of steps S <b> 1 to S <b> 6 and proceeds to step 8.
This clothing drying operation is controlled such that the direction of the wind direction varying means 1 is controlled so that the dehumidified dry air Q is blown from the exhaust port 103 toward the block where the laundry is determined to be present. That is, each block is controlled so that the dry air Q efficiently flows in the direction in which the laundry is positioned from the dehumidifier by setting the block in which it is determined that there is the laundry as a target for blowing the dry air.

Next, in step S8, along with the clothes drying operation, the surface temperature of the part located in the block to be blown is measured, and the temperature that is the measured value is based on the window determination temperature Tw (second determination temperature). It is determined whether or not it is low (measured value <Tw?).
When the measured value is lower than the window determination temperature Tw (window low temperature determination), the process proceeds to step S9.
Here, when it is determined for the first time that the measured value is lower than the window determination temperature Tw, the timer unit 7e is activated from this determination, and measurement of the elapsed time Bx after the determination is started. When this determination is made for the second time and thereafter, the measurement continues and the elapsed time is accumulated.

Moreover, when the measured value of the surface temperature of the site | part located in the block used as ventilation target is higher than window determination temperature Tw, it transfers to step S14, it is determined whether clothing drying driving | operation is complete | finished, and is complete | finished. If there is, the clothes drying operation is stopped, and if not finished, the window determination is performed for the next block to be blown, and the process proceeds to step S7.
In step S8, when the surface temperature of the block is higher than the window determination temperature Tw, the measurement of the elapsed time Bx is stopped and the data of the elapsed time Bx is reset.

Next, in step S9, if the number of times that the window is determined to be present in the past block drying operation in the target block is less than the specified number, the process proceeds to step S10 and the window determination time is set to the normal value B1. The process proceeds to step S12.
In step S9, if the number of times that the target block has been determined to have a window in the past clothes drying operation is equal to or greater than the prescribed number, the process proceeds to step S11, and the window determination time is shorter than the normal value B1. The special value B2 is set, and the process proceeds to step S12 (B1> B2).

Next, in step S12, the window determination times B1 and B2 set in steps S10 and S11 are compared with the elapsed time Bx that has elapsed since the window low temperature determination. That is, it is determined whether the surface temperature of the part located in the target block is equal to or lower than the window determination temperature continuously for a predetermined time.
Here, the surface temperature of the laundry increases as the drying progresses. However, in the case of a window, the surface temperature does not increase even when the clothes drying operation proceeds. For this reason, even if the window determination time B or more has elapsed, if the temperature is below the window determination temperature (the temperature is low), it is determined that the window is located in the block.
And when time (elapsed time Bx) below window judgment temperature is less than window judgment time B (B1 or B2), it shifts to Step S14, it is judged whether clothes drying operation is completed, If finished, the clothes drying operation is stopped, and if not finished, the window determination is performed for the next block to be blown, and the process proceeds to step S7.

If the time (elapsed time Bx) that is equal to or lower than the window determination temperature is equal to or longer than the window determination time B (B1 or B2), the process proceeds to step S13. Then, in step S13, it is assumed that a window is detected in the target block, and the window detection count of the block is added and stored, and the process proceeds to step S14.
In step S14, it is determined whether or not the clothes drying operation is ended. If the clothes drying operation is ended, the clothes drying operation is stopped. If not, the window determination is performed for the next air blowing target block. Transition.
It should be noted that during the clothes drying operation being performed, the block in which it is determined that the window is positioned as described above does not actively send dry air, but is focused on the block in which the laundry is determined to be positioned. Controlled to send dry air to

  As described above, the feature of steps S7 to S13 is that the block where it is determined that the window is positioned a predetermined number of times or more from the result of the clothes drying operation performed in the past is the determination that there is a window even in this operation. I can see a tendency to become. For this reason, such a block is compared with the elapsed time Bx using the special value determination time B2 which is shorter than the normal value determination time B1.

  Thereby, it becomes possible to estimate the position of the window determined by mixing with the laundry earlier. As a result, in the subsequent clothes drying operation, the dry air is not sent positively in the direction of the block determined that the window is positioned, and the dry air is concentrated in the direction of the block determined that the laundry is positioned. The clothes drying operation can be performed more efficiently.

  Here, the determination of the presence or absence of windows and laundry will be described with reference to FIGS. 10 and 11 assume a case where the laundry does not dry even after 360 minutes, but rises from the initial temperature. In the example shown in FIGS. 10 and 11, in the detectable region A composed of the blocks 1 to 25, the blocks 9, 12, 13, 14, 17, and 18 are the positions of the laundry, and the blocks 2 and 3. 22, 22, 23, 24 are examples of windows.

(For normal operation)
FIG. 10 shows an example of window determination in normal operation. Note that the window determination in the normal operation is a window determination operation in a state where the window determination is not performed in the past operation.
State 1: Since the distinction between the laundry (blocks 9, 12, 13, 14, 17, 18) and the windows (blocks 2, 3, 22, 23, 24) has not been established at the time of the initial operation, the windows Also blown air.
State 2: At the time when 240 minutes have elapsed, the distinction between the laundry (blocks 9, 12, 13, 14, 17, 18) and the windows (blocks 2, 3, 22, 23, 24) has not yet been determined. Also blows air to the window.
State 3: When 360 minutes have elapsed, the temperature difference between the laundry and the window can be distinguished from each other, and air is blown only to the laundry (blocks 9, 12, 13, 14, 17, 18). The block determined as the window (blocks 2, 3, 22, 23, 24) is stored.

(In the case of laundry detection via step S4)
FIG. 11A shows an example of laundry detection via step S4.
State 1: An example in which the normal value T1 is used as the determination temperature for all blocks via step S3 is shown. In this case, the laundry to be detected (blocks 13 and 14) is not detected.
State 2: An example in which the special value T2 is used as the determination temperature via step S4 for all blocks is shown. In this case, even windows (blocks 2, 3, 22, 23, and 24) are detected, and the laundry and the window cannot be distinguished.
State 3: Blocks (for example, blocks 9, 12, 13, 14, 17, 18) that are likely to become laundry are stored and stored using the result of the presence / absence determination of the laundry performed in the past driving. For the other blocks, the special value T2 is used as the determination temperature via step S4, and for the other blocks, the normal value T1 is used as the determination temperature via step S3. In this case, the laundry (blocks 9, 12, 13, 14, 17, and 18) is detected with high accuracy.
As described above, when a block (for example, blocks 9, 12, 13, 14, 17, 18) that is likely to become laundry is stored in the determination of the presence / absence of the laundry performed in the past driving, the block Uses the judgment value as a special value (step S4). This makes it easier for the determination target block to be determined as having laundry.
Thereby, it can control to blow air efficiently to the laundry at an early stage.

(Example of window determination when going through step S11)
FIG. 11B shows an example of the case where a special value is used for the window determination times of the blocks 2, 3, 22, 23, and 24 for which the window determination has been performed a predetermined number of times in the past (step S11). .
State 1: At the time of the initial operation, the distinction between the laundry (blocks 9, 12, 13, 14, 17, 18) and the windows (blocks 2, 3, 22, 23, 24) has not been established.
State 2: When 240 minutes have elapsed, the temperature difference between the laundry and the window can be distinguished, and only the laundry (blocks 9, 12, 13, 14, 17, and 18) is accurately detected.
As described above, the block for which the window determination has been performed more than the specified number of times in the past determines the window determination time with a special value shorter than normal (S11). For example, an earlier stage than the window determination in normal operation (360 minutes) When 240 minutes elapses, blocks (blocks 2, 3, 22, 23, and 24) that are likely to be subject to window determination are determined as windows, and thereafter, air is intensively applied to the laundry. That is, it is possible to control so as to efficiently blow air to the laundry at an early stage.

(Embodiment 2)
The second embodiment will be described below with reference to FIGS. 12 and 13 are flowcharts showing a series of operations. FIG. 12 shows the first half of the flowchart, and FIG. 13 shows the second half of the flowchart.
Note that the hardware configuration of the present embodiment has the same structure as the dehumidifier J of the first embodiment, and therefore the description thereof is omitted.
(Laundry detection)
First, when the clothes drying operation is started, the control circuit 7 starts an initial sampling operation in step S21, and proceeds to step S22.
The initial sampling operation is an operation of detecting the surface temperature for each divided area (block) obtained by dividing the detectable area A by the infrared sensor 6 and determining whether there is laundry in the target block. .

Next, in step S22, the control circuit 7 determines whether or not the block to be sampled is determined to have laundry more than the specified number of times in the clothes drying operation performed in the past.
In addition, the memory | storage part 7d accumulates and memorize | stores the frequency | count determined with the laundry for every block in the clothes drying driving | operation performed in the past as data, and the control circuit 7 is more than said frequency | count based on this data. It is determined whether or not.

In step S22, if the number of times it is determined that there is laundry in the past is less than a specified number of times, migration to determine temperature (first judgment temperature) is set to T1 of the normal value in step S23, the step S 25 Transition.
If the number of times it was determined that there is laundry in the past in step S22 is equal to or greater than the prescribed number, the process proceeds to step S24, where the determination temperature (first determination temperature) is a special value that is smaller than T1. T2 is set, and the process proceeds to step S25 (T1> T2).

Next, in step S25, “ΔT = room temperature−measured value” is obtained for each block, and compared with the determination temperature set in steps S23 and S24 (determination temperature ≦ ΔT?), There is laundry in the target block. It is determined whether or not.
The room temperature is the temperature of room air measured by the temperature sensor 3. The measured value is the surface temperature of the target block measured by the infrared sensor 6. ΔT is the difference obtained by subtracting the measured value from room temperature.

Here, since the laundry is wet, the surface temperature is lower than room temperature. In particular, as time passes, drying begins, moisture in the laundry begins to evaporate, and the surface temperature of the laundry decreases due to heat of vaporization.
That is, there is a difference ΔT between the room temperature and the temperature of the target block, which is a measurement value of the infrared sensor 6, and the larger this difference ΔT is, the higher the possibility that there is a laundry at the target block position. it can.
Therefore, in step S25, it is determined whether there is laundry in the target block by comparing ΔT with a determination temperature that is a predetermined threshold (determination temperature ≦ ΔT?).

Moreover, if a large value is used for the determination temperature that is a threshold value for determining whether there is laundry, it is difficult to determine that there is laundry. That is, if the difference ΔT is not larger, it is not determined that the temperature is higher than the determination temperature.
On the other hand, when a small value is used for the determination temperature, it is easy to determine that there is laundry. That is, since the determination temperature is a small value, it is determined that the difference ΔT is larger than the determination temperature even if the difference ΔT is not so large.
Therefore, since a block in which the cumulative number of times that the laundry has been determined in the past driving is greater than or equal to the predetermined number is likely to have the laundry in the current driving, the determination temperature is set to the normal determination temperature T1. Comparison is made with the above-mentioned ΔT at a special determination temperature T2 which is a small value.

As a result, a block whose cumulative number of times determined to have laundry in the past driving is greater than or equal to a predetermined number is likely to be determined to have laundry even if the difference ΔT between the room temperature and the target block temperature is small. Therefore, it can be determined that there is laundry at an early stage of the initial sampling operation.
In particular, in the laundry, in the initial stage of the start of drying, as time elapses, moisture in the laundry begins to evaporate, and the surface temperature of the laundry gradually decreases due to heat of vaporization.
Therefore, at the initial stage of starting drying, the difference ΔT between the room temperature and the block temperature is small, but if the determination temperature, which is a threshold, is reduced, it can be determined that there is laundry at an early stage.

As described above, when the laundry is detected in the target block in step S25, the laundry detection count of the block is added and stored, and the process proceeds to step S26.
In step S26, it is determined whether or not the determination of the presence or absence of the laundry in all the blocks has been completed. If the determination of the presence / absence of the laundry is completed, the process proceeds to step S27. If the determination is not completed, the process proceeds to step S22 to determine the undecided block.

Although the initial sampling operation from step S21 to S26 has been described above, this initial sampling operation may detect all the target blocks a predetermined number of times, or may be repeatedly detected for a predetermined time. Good.
Further, when the initial sampling operation is repeatedly performed for all the blocks a predetermined number of times or within a predetermined time, the blocks determined as having the laundry may be skipped and the presence / absence of the laundry may be determined. As a result, the operation time can be shortened.

Steps S21 to S26 are a control flow for detecting the position of the laundry from the difference between the room temperature and the detected temperature of each block, but at the position determined to be the laundry, the surface temperature lower than the room temperature as in the laundry. Parts, for example windows, may be included.
Therefore, by performing the control processing from step S27 to S39, the block in which the window is located is detected, and a more efficient clothes drying operation is realized.

In step S27, it is determined whether or not the laundry is positioned at a predetermined ratio (for example, 90%) or more in the entire block determined to have a window in the previous clothes drying operation.
When the laundry is located at a predetermined ratio or more, the process proceeds to step S28, and the clothes drying operation performed this time is assumed to be performed in the same environment as the previous time, and the process proceeds to step S30.
If the rate at which the laundry is located is less than the predetermined rate, the process proceeds to step S29, assuming that the clothes drying operation performed this time is performed in an environment different from the previous time, and the process proceeds to step S30. Transition.

In addition, the environment here means the environment where the dehumidifier J is used. As an example of the case where it is used in the same environment, in the same room as the previous time, facing the same direction, it looks similar to the previous time. The case where clothes are arranged and used in various arrangements is assumed.
On the other hand, the different environment is assumed to be used in a room different from the previous time, or when clothes are dried in a different arrangement from the previous time.

Next, referring to FIG. 13, in step S30, the control circuit 7 starts the clothes drying operation based on the detection results of steps S21 to S26, and proceeds to step S31.
Next, in step S31, along with the clothes drying operation, the surface temperature of the part located in the block to be blown is measured, and the temperature that is the measured value is based on the window determination temperature Tw (second determination temperature). It is determined whether or not it is low (measured value <Tw?).

When the measured value is lower than the window determination temperature Tw (window low temperature determination), the process proceeds to step S32.
Here, when it is determined for the first time that the measured value is lower than the window determination temperature Tw, the timer unit 7e is activated from this determination, and measurement of the elapsed time Bx after the determination is started. When this determination is made for the second time and thereafter, the measurement continues and the elapsed time is accumulated.

Moreover, when the measured value of the surface temperature of the site | part located in the block used as ventilation target is higher than window determination temperature Tw, it transfers to step S39, it is determined whether clothing drying driving | operation is complete | finished, and is complete | finished. If there is, the clothes drying operation is stopped, and if not finished, the window determination is performed for the next block to be blown, and the process proceeds to step S30.
In step S31, when the block surface temperature is higher than the window determination temperature Tw, the measurement of the elapsed time Bx is stopped and the data of the elapsed time Bx is reset.

Next, in step S32, based on the determinations in steps S27 to S29, it is determined whether or not the current clothing drying operation is in the same environment as the past (previous).
If the environment is not the same as the past, the process proceeds to step S33, the window determination time is set to B1 of the normal value, and the process proceeds to step S37.

  If the environment is the same as the past, the process proceeds to step S34. In this step S34, if the number of times it is determined that there is a window in the target block in the past clothes drying operation is less than the prescribed number, the process proceeds to step S35 and the window determination time is set to the normal value B1. Control goes to step S37.

  In step S34, if the number of times that the target block in the past clothes drying operation is determined to have a window is equal to or greater than the specified number, the process proceeds to step S36, and the window determination time is set to B1, which is a normal value. The special value B2, which is a short time, is set, and the process proceeds to step S37 (B1> B2).

  Next, in step S37, the window determination times B1 and B2 set in steps S33, S35, and S36 are compared with the elapsed time Bx that has elapsed since the window low temperature determination. That is, it is determined whether the surface temperature of the part located in the target block is equal to or lower than the window determination temperature continuously for a predetermined time.

Here, the surface temperature of the laundry increases as the drying progresses. However, in the case of a window, the surface temperature does not increase even when the clothes drying operation proceeds. For this reason, even if the window determination time B or more has elapsed, if the temperature is below the window determination temperature (the temperature is low), it is determined that the window is located in the block.
And when time (elapsed time Bx) below window judgment temperature is less than window judgment time B (B1 or B2), it shifts to Step S39 and it is judged whether clothing drying operation is completed. And if it is complete | finished, in order to perform window determination about the block which is the next ventilation object, if it is not complete | finished, it will transfer to step S30.

  When the time (elapsed time Bx) that is equal to or lower than the window determination temperature is equal to or longer than the window determination time B (B1 or B2), the process proceeds to step S38. Then, in step S38, assuming that a window is detected in the target block, the number of window detections of the block is added and stored, and the process proceeds to step S39.

In step S39, it is determined whether or not the clothes drying operation is ended. If the clothes drying operation is ended, the clothes drying operation is stopped. If not, the window determination is performed for the next air blow target block. Transition.
It should be noted that during the clothes drying operation being performed, the block in which it is determined that the window is positioned as described above does not actively send dry air, but is focused on the block in which the laundry is determined to be positioned. Controlled to send dry air to

As described above, in this embodiment, in order to determine whether or not the environment is the same as the stored environment, 90% of the blocks determined to be the window position in the window determination performed at the previous driving. Check if the above is the target block of the laundry.
If 90% or more of the blocks are determined to be the laundry target block, it is determined that there is a high possibility that the block is the same as the stored environment, and the block determined in the past performs window determination using a special value.
Thereby, determination time can be shortened and clothes drying operation can be performed efficiently.

(Embodiment 3)
Hereinafter, Embodiment 3 will be described with reference to FIGS. 14 and 15. 14 and 15 are flowcharts showing a series of operations. FIG. 14 shows the first half of the flowchart, and FIG. 15 shows the second half of the flowchart.
Note that the hardware configuration of the present embodiment is the same as that of the dehumidifier J of the first embodiment, and therefore the description thereof is omitted.
(Laundry detection)
First, when the clothes drying operation is started, the control circuit 7 starts an initial sampling operation in step S41, and proceeds to step S42.
The initial sampling operation is an operation of detecting the surface temperature for each divided area (block) obtained by dividing the detectable area A by the infrared sensor 6 and determining whether there is laundry in the target block. .

Next, in step S42, the control circuit 7 determines whether or not the number of times it has been determined that there is laundry in the block to be sampled in the clothes drying operation performed in the past is equal to or greater than the specified number.
In addition, the memory | storage part 7d accumulates and memorize | stores the frequency | count determined with the laundry for every block in the clothes drying driving | operation performed in the past as data, and the control circuit 7 is more than said frequency | count based on this data. It is determined whether or not.

In step S42, if the number of times the laundry to be sampled in the past clothes drying operation is determined to be less than the specified number of times, the process proceeds to step S43 to set the determination temperature to the normal value T1. The process proceeds to S45.
In step S42, if the number of times it is determined that there is laundry in the block to be sampled in the past clothes drying operation is equal to or greater than the prescribed number, the process proceeds to step S44 and the determination temperature is lower than the normal value T1. The value is set to T2, which is a special value, and the process proceeds to step S45 (T1> T2).

Next, in step S45, “ΔT = room temperature−measured value” is obtained for each block, and compared with the determination temperature set in steps S43 and S44 (determination temperature ≦ ΔT?), There is laundry in the target block. It is determined whether or not.
The room temperature is the temperature of room air measured by the temperature sensor 3. The measured value is the surface temperature of the target block measured by the infrared sensor 6. ΔT is the difference obtained by subtracting the measured value from room temperature.

Here, since the laundry is wet, the surface temperature is lower than room temperature. In particular, as time passes, drying begins, moisture in the laundry begins to evaporate, and the surface temperature of the laundry decreases due to heat of vaporization.
That is, there is a difference ΔT between the room temperature and the temperature of the target block, which is a measurement value of the infrared sensor 6, and the larger this difference ΔT is, the higher the possibility that there is a laundry at the target block position. it can.
Therefore, in step S45, ΔT is compared with a determination temperature that is a predetermined threshold (determination temperature ≦ ΔT?) To determine whether there is laundry in the target block.

Moreover, if a large value is used for the determination temperature that is a threshold value for determining whether there is laundry, it is difficult to determine that there is laundry. That is, if the difference ΔT is not larger, it is not determined that the temperature is higher than the determination temperature.
On the other hand, when a small value is used for the determination temperature, it is easy to determine that there is laundry. That is, since the determination temperature is a small value, it is determined that the difference ΔT is larger than the determination temperature even if the difference ΔT is not so large.
Therefore, since a block in which the cumulative number of times that the laundry has been determined in the past driving is greater than or equal to the predetermined number is likely to have the laundry in the current driving, the determination temperature is set to the normal determination temperature T1. Comparison is made with the above-mentioned ΔT at a special determination temperature T2 which is a small value.

As a result, a block whose cumulative number of times determined to have laundry in the past driving is greater than or equal to a predetermined number is likely to be determined to have laundry even if the difference ΔT between the room temperature and the target block temperature is small. Therefore, it can be determined that there is laundry at an early stage of the initial sampling operation.
In particular, in the laundry, in the initial stage of the start of drying, as time elapses, moisture in the laundry begins to evaporate, and the surface temperature of the laundry gradually decreases due to heat of vaporization.
Therefore, at the initial stage of starting drying, the difference ΔT between the room temperature and the block temperature is small, but if the determination temperature, which is a threshold, is reduced, it can be determined that there is laundry at an early stage.

As described above, when the laundry is detected in the target block in step S45, the laundry detection count of the block is added and stored, and the process proceeds to step S46.
In step S46, it is determined whether or not the determination of the presence or absence of the laundry in all the blocks has been completed. If the determination of the presence / absence of the laundry is completed, the process proceeds to step S47, and if the determination is not completed, the process proceeds to step S42 to determine an undetermined block.

Although the initial sampling operation from step S41 to S46 has been described above, this initial sampling operation may detect all the target blocks a predetermined number of times, or may be repeatedly detected for a predetermined time. Good.
Further, when the initial sampling operation is repeatedly performed for all the blocks a predetermined number of times or within a predetermined time, the blocks determined as having the laundry may be skipped and the presence / absence of the laundry may be determined. As a result, the operation time can be shortened.

Steps S41 to S46 are a control flow for detecting the position of the laundry from the difference between the room temperature and the detected temperature of each block, but at the position determined as the laundry, the surface temperature lower than the room temperature as in the laundry. Parts, for example windows, may be included.
Therefore, by performing the control processing from step S47 to S63, the block where the window is located is detected, and a more efficient clothes drying operation is realized.

Steps S47 to S63 are various environmental patterns (for example, pattern 1: washroom, pattern 2: living room, pattern 3: bathroom, etc.) stored in the clothes drying operation performed in the past and the clothes drying operation performed this time. It is a process for shortening the time concerning window determination by comparing these environments.
Each environmental pattern can be detected by the control means when the storage means stores the arrangement of the blocks determined to have windows in the past operation.

In step S47, the environment pattern 1 stored in the clothes drying operation performed in the past is compared with the environment of the current clothes drying operation.
Here, it is determined whether or not the laundry is positioned at a predetermined ratio (for example, 90%) or more in the entire block that is determined to have the window in the environment pattern 1 in the current clothes drying operation.

  When the laundry is located at a predetermined ratio or more, the process proceeds to step S48, and the clothes drying operation performed this time is assumed to be performed in the same environment as the environment pattern 1, and the process proceeds to step S54. If the rate at which the laundry is located is less than the predetermined rate, the process proceeds to step S49.

In step S49, the environment pattern 2 stored in the clothes drying operation performed in the past is compared with the environment of the current clothes drying operation.
Here, it is determined whether or not the laundry is positioned at a predetermined ratio (for example, 90%) or more in the entire block determined to have the window in the environment pattern 2 as the environment in the current clothes drying operation.

  When the laundry is located at a predetermined ratio or more, the process proceeds to step S50, and the clothes drying operation performed this time is assumed to be performed in the same environment as the environment pattern 2, and the process proceeds to step S54. If the rate at which the laundry is located is less than the predetermined rate, the process proceeds to step S51.

In step S51, the environment pattern 3 stored in the clothes drying operation performed in the past is compared with the environment of the current clothes drying operation.
Here, it is determined whether or not the laundry is positioned at a predetermined ratio (for example, 90%) or more in the entire block determined to have the window in the environment pattern 3 as the environment in the current clothes drying operation.

  When the laundry is located at a predetermined ratio or more, the process proceeds to step S52, and the clothes drying operation performed this time is assumed to be performed in the same environment as the environment pattern 3, and the process proceeds to step S54. If the rate at which the laundry is located is less than the predetermined rate, the process proceeds to step S53.

  When the process proceeds to step S53, it is assumed that the environment pattern stored in the past does not match the environment of the current clothes drying operation, and the clothes are being dried in a new environment. The process proceeds to step S54.

Next, referring to FIG. 15, in step S54, the control circuit 7 starts the clothes drying operation based on the detection results in steps S41 to S46, and proceeds to step S55.
Next, in step S55, along with the clothes drying operation, the surface temperature of the part located in the block to be blown is measured, and whether this measured value is lower than the window determination temperature Tw (measured value). <Tw?) Is determined.

  First, when the measured value is lower than the window determination temperature Tw (window low temperature determination), the process proceeds to step S56. Here, when it is determined for the first time that the measured value is lower than the window determination temperature Tw, the timer unit 7e is activated from this determination, and measurement of the elapsed time Bx after the determination is started. When this determination is made for the second time and thereafter, the measurement continues and the elapsed time is accumulated.

Moreover, when the measured value of the surface temperature of the site | part located in the block used as ventilation target is higher than window determination temperature Tw, it transfers to step S63, it is determined whether clothing drying driving | operation is complete | finished, and is complete | finished. If there is, the clothes drying operation is stopped, and if not finished, the window determination is performed for the next block to be blown, and the process proceeds to step S54.
In step S55, when the surface temperature of the block is higher than the window determination temperature Tw, the measurement of the elapsed time Bx is stopped and the data of the elapsed time Bx is reset.

Next, in step S56, based on steps S47 to S53, it is determined whether the current clothing drying operation is the same environment as the past (previous).
If the environment is not the same as the past, the process proceeds to step S57, the window determination time is set to B1 of the normal value, and the process proceeds to step S61.

  If the environment is the same as the past, the process proceeds to step S58. In this step S58, if the number of times that the window is determined to be present in the past block drying operation in the target block is less than the prescribed number, the process proceeds to step S59, and the window determination time is set to the normal value B1. The process proceeds to S61.

  In step S58, if the number of times that the target block is determined to have a window in the past clothes drying operation is equal to or more than the specified number, the process proceeds to step S60, and the window determination time is shorter than the normal value B1. The window determination time, which is time, is set to a special value B2, and the process proceeds to step S61 (B1> B2).

  Next, in step S61, the window determination times B1 and B2 set in steps S57, S59, and S60 are compared with the elapsed time Bx that has elapsed since the window low temperature determination. That is, it is determined whether the surface temperature of the part located in the target block is equal to or lower than the window determination temperature continuously for a predetermined time.

  Here, the surface temperature of the laundry increases as the drying progresses. However, in the case of a window, the surface temperature does not increase even if the clothes drying operation proceeds (there is no change). When the temperature is equal to or lower than the window determination temperature (the temperature is low), it is determined that the window is located in the block.

  And when time (elapsed time Bx) below window judgment temperature is less than window judgment time B (B1 or B2), it shifts to Step S63, it is judged whether clothing drying operation is completed, If it is completed, the clothes drying operation is stopped. If not completed, the window determination is performed for the next block to be blown, and the process proceeds to step S54.

  If the time (elapsed time Bx) that is equal to or lower than the window determination temperature is equal to or longer than the window determination time B (B1 or B2), the process proceeds to step S62. Then, in step S62, assuming that a window is detected in the target block, the number of window detections of the block is added and stored, and the process proceeds to step S63.

In step S63, it is determined whether or not the clothes drying operation is completed. If the clothes drying operation is ended, the clothes drying operation is stopped. If not, the window determination is performed for the next air blow target block. Transition.
It should be noted that during the clothes drying operation being performed, the block in which it is determined that the window is positioned as described above does not actively send dry air, but is focused on the block in which the laundry is determined to be positioned. Controlled to send dry air to

As described above, in this embodiment, in order to determine whether or not the environment is the same as the stored environment, 90% of the blocks determined to be the window position in the window determination performed at the previous driving. Check if the above is the target block of the laundry.
If 90% or more is determined to be a laundry target block, it is determined that there is a high possibility that it is the same as the stored environment, and a block determined in the past is subjected to window determination with a special value.

Thereby, the determination time of the position of a window can be shortened and clothes drying operation can be performed efficiently.
In particular, a plurality of window position determinations made in the past clothes drying operation are stored as comparison targets with the environment of the current clothes drying operation, and the determination time can be further shortened by comparing with these.

  DESCRIPTION OF SYMBOLS 1 Wind direction variable means, 1a Longitudinal louver, 1b Lateral louver, 1c Longitudinal variable motor, 1d Lateral variable motor, 2 Blower fan, 2a fan motor, 3 Temperature sensor, 4 Humidity sensor, 5 Dehumidifier, 6 Infrared sensor , 6a Infrared absorbing film, 6b Thermistor, 7 Microcomputer, 7a Input circuit, 7b Output circuit, 7c CPU, 7d Storage unit, 7e Timer unit, 8 Operation switch, 12 Display unit, 100 Dehumidifier housing, 101 Suction port, 102 water storage tank, 103 exhaust port, 200 full scanning range, 201 divided area, P indoor air, Q dry air

Claims (13)

A housing,
Air blowing means for taking in room air into the housing and blowing it out to the outside;
Dehumidifying means for removing moisture from room air taken into the housing;
Air temperature detecting means for measuring the temperature of the room air;
Wind direction varying means for varying the wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing;
A surface temperature detecting means for detecting a surface temperature of a portion located in a direction in which the dry air is blown out, and a control means for controlling the means.
The control means divides an area that can be blown by the wind direction changing means into a plurality of blocks, detects the surface temperature by the surface temperature detecting means for each block, and detects the temperature of the room air and the surface temperature. Determining whether or not the drying object is located in the block, by comparing the temperature difference and a predetermined first determination temperature ,
Having storage means for storing past driving history;
The operation history includes a determination history as to whether or not a drying object for each block is located,
The dehumidifier characterized in that the control means changes the value of the first determination temperature based on the determination history . In the determination history, when the value of the first determination temperature is determined to be less than the specified number of times when it is determined that the drying target is located more than the specified number of times in the past operation of each block The dehumidifier according to claim 1 , wherein the dehumidifier is smaller than the dehumidifier. Said control means, said drying the block in which the object is made is determined to be located to direct dry air as blowing subject claim 1 or claim, characterized in that controlling the direction of the wind direction changing means 2. The dehumidifier according to 2 . The control means performs a dehumidifying operation by controlling the dehumidifying means after the position of the drying object is determined, and detects the surface temperature by the surface temperature detecting means for each block during the dehumidifying operation. Then, by comparing the detected surface temperature with a predetermined second determination temperature, it is determined whether or not a non-dry object that is not a dry object is located in the block. The dehumidifier according to any one of claims 1 to 3 . The dehumidifier according to claim 4 , wherein when the surface temperature is lower than the second determination temperature, it is determined that a non-dry object that is not a dry object is located in the block. The state in which the surface temperature is lower than the second determination temperature continues for a predetermined determination time or more, and it is determined that a non-dry object that is not a dry object is located in the block. 5. A dehumidifier according to 5 . A housing,
Air blowing means for taking in room air into the housing and blowing it out to the outside;
Dehumidifying means for removing moisture from room air taken into the housing;
Air temperature detecting means for measuring the temperature of the room air;
Wind direction varying means for varying the wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing;
A surface temperature detecting means for detecting a surface temperature of a portion located in a direction in which the dry air is blown out, and a control means for controlling the means.
The control means divides an area that can be blown by the wind direction changing means into a plurality of blocks, detects the surface temperature by the surface temperature detecting means for each block, and detects the temperature of the room air and the surface temperature. Determining whether or not the drying object is located in the block, by comparing the temperature difference and a predetermined first determination temperature ,
The control means performs a dehumidifying operation by controlling the dehumidifying means after the position of the drying object is determined, and detects the surface temperature by the surface temperature detecting means for each block during the dehumidifying operation. When the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or more, it is determined that a non-dry object that is not a dry object is located in the block,
The length of the determination time is changed based on a determination history of whether or not the non-drying object is positioned for each block . In the determination history, the value of the determination time when it is determined that the non-drying object is located more than the specified number of times in the past operation of each block is compared with the case where the determination number is less than the specified number of times. The dehumidifier according to claim 7 , wherein the dehumidifier is small. A housing,
Air blowing means for taking in room air into the housing and blowing it out to the outside;
Dehumidifying means for removing moisture from room air taken into the housing;
Air temperature detecting means for measuring the temperature of the room air;
Wind direction varying means for varying the wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing;
A surface temperature detecting means for detecting a surface temperature of a portion located in a direction in which the dry air is blown out, and a control means for controlling the means.
The control means divides an area that can be blown by the wind direction changing means into a plurality of blocks, detects the surface temperature by the surface temperature detecting means for each block, and detects the temperature of the room air and the surface temperature. Determining whether or not the drying object is located in the block, by comparing the temperature difference and a predetermined first determination temperature ,
The control means performs a dehumidifying operation by controlling the dehumidifying means after the position of the drying object is determined, and detects the surface temperature by the surface temperature detecting means for each block during the dehumidifying operation. When the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or more, it is determined that a non-dry object that is not a dry object is located in the block,
The control means determines the determination time in accordance with a determination as to whether or not there is a drying object in a predetermined ratio or more of the blocks determined as a drying object during the previous operation. Features a dehumidifier. A housing,
Air blowing means for taking in room air into the housing and blowing it out to the outside;
Dehumidifying means for removing moisture from room air taken into the housing;
Air temperature detecting means for measuring the temperature of the room air;
Wind direction varying means for varying the wind direction of the dry air when the dry air from which moisture has been removed by the dehumidifying means is blown out of the housing;
A surface temperature detecting means for detecting a surface temperature of a portion located in a direction in which the dry air is blown out, and a control means for controlling the means.
The control means divides an area that can be blown by the wind direction changing means into a plurality of blocks, detects the surface temperature by the surface temperature detecting means for each block, and detects the temperature of the room air and the surface temperature. Determining whether or not the drying object is located in the block, by comparing the temperature difference and a predetermined first determination temperature ,
The control means performs a dehumidifying operation by controlling the dehumidifying means after the position of the drying object is determined, and detects the surface temperature by the surface temperature detecting means for each block during the dehumidifying operation. When the detected surface temperature is lower than the predetermined second determination temperature for a predetermined determination time or more, it is determined that a non-dry object that is not a dry object is located in the block,
The control means compares the arrangement pattern of the block determined to be located with the non-drying object determined in the past operation and the arrangement pattern of the block determined to be the non-drying object in the current operation. Thus, it is determined whether or not the vehicle is operated in the same environment as the past operation, and the determination time is determined based on the determination . Said control means, said block in which the drying object is made is determined to be located to direct dry air as blowing target, claim claim 7, characterized in that controlling the direction of the wind direction changing means The dehumidifier according to any one of 10 . Said control means, said about the block non-drying object is made is determined to be located, to disengage from the target to send the drying air, claim 4, characterized in that controlling the direction of the wind direction changing means The dehumidifier according to claim 11. The dehumidifier according to any one of claims 4 to 12, wherein the non-drying object is a window.

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