JPH03230033A - Dehumidifying air control device for dehumidifier - Google Patents

Abstract

PURPOSE:To control dehumidifying air easily and assuredly by a method wherein an evaporator and condenser are turnably provided in the front and rear direction to passing through air, and it is constituted in such a manner that passing resistance of the passing through air can be changed, and thus dehumidifying air is controlled. CONSTITUTION:A dehumidifier 4 has a box shape, and on the front wall panel of the box, an outside air suction port 28 from which the outside air is drawn is provided, and on the rear wall panel, a blowing port 29 which blows dehumidifying air, which has been converted from the outside air drawn in the dehumidifier 4, into a blowing chamber is provided. In the box, an evaporator 1 is provided on the front side, and a condenser 2 is provided on the rear side, the these evaporator 1 and condenser 2 are individually turnably provided in the front and rear direction to the drawn outside air, with the lower end parts as their turning centers. By this turning, tilting angles of the evaporator 1 and condenser 2 change, and accompanying with the change of these tilting angles, resistance of passing through air changes, and the quantity of passing through air is controlled. By control of the quantity of passing through air, temperature and humidity of the dehumidifying air are controlled, and the capability of this dehumidifier 4 is controlled.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a dehumidifying air control device for a dehumidifier.

Conventional technology Conventionally, the dehumidified air of a dehumidifier is controlled by passing through an evaporator 1 and a condenser 2 to obtain the dehumidified air. It was a dehumidifying air control device that controlled

Problems to be Solved by the Invention For example, when a dehumidifier is attached to a grain dryer to dehumidify and dry grains, the grains are fed out from the storage chamber in the upper part of the dryer to the drying chamber in the lower part. As the process is repeated, the dehumidifier generates dehumidified air with a predetermined temperature and humidity set depending on the type of grain to be dried, the amount of grain, etc., and as this dehumidified air passes through the drying chamber, the interior of the drying chamber is The grains flowing down are dried by being exposed to this dehumidified air, and when the moisture content of the grains becomes equal to the finishing target moisture content, this dryer is automatically stopped and drying of the grains is stopped.

During this dehumidifying and drying work, the temperature and humidity of the dehumidifying air generated from the dehumidifier are set depending on the type of grain to be dried, the amount of grain, etc. The rotation speed of the compressor of a dehumidifier was controlled, or the flow of refrigerant flowing inside the compressor, condenser, expansion valve, evaporator, etc. was controlled. The purpose is to control the capacity of the dehumidifier by individually controlling the amount of air passing through the condenser section and controlling the dehumidifying air.

Means for Solving the Problems The present invention provides a dehumidifier in which dehumidified air is obtained by passing an evaporator 1 and a condenser 2. The dehumidifying air control device is characterized in that it is movably provided and configured to change the passage resistance of the passing air to control the dehumidifying air.

Effect of the Invention While the grain is repeatedly circulated from the storage chamber at the top of the grain dryer to the drying chamber at the bottom, the grain is dried at a predetermined amount set by the dehumidifier depending on the type of grain to be dried, the amount of grain, etc. Dehumidified air with a predetermined temperature and humidity is generated by passing through the evaporator 1 and condenser 2, and as this dehumidified air passes through the drying chamber, the grains flowing down in the drying chamber are absorbed by the dehumidified air. When the moisture content of the grains reaches the target moisture content, the dryer is automatically stopped and drying of the grains is stopped.

During this dehumidifying and drying work, the temperature and humidity of the dehumidifying air generated from the dehumidifier are set depending on the type of grain to be dried, the amount of grain, etc., and in order to control the dehumidifying air to the set dehumidifying air. The evaporator 1 and the condenser 2 of the machine are controlled to be tilted in the front-rear direction, and this inclination changes the resistance of the air passing through the evaporator 1 part and the condenser 2 part, controlling the air volume. The temperature and humidity of this dehumidified air are controlled to set values by the control, and the grains are dried.

Effects of the Invention According to this invention, the control of dehumidified air generated from a dehumidifier can be carried out by
By controlling the evaporator 1 and condenser 2 of this dehumidifier in an inclined state to control the amount of air passing through, and by controlling this dehumidifying air, it is possible to easily control the dehumidifying air, and at the same time, It has become possible to reliably control the dehumidified air.

Embodiment In the ward system, a state in which a dehumidifier 4 is attached to a grain dryer 3 will be explained.

The dryer 3 has a rectangular shape that is long in the front and back direction, and has a transfer gutter 6 and a ceiling plate 7 equipped with a rotatable transfer spiral at the upper end of the machine wall 5, and the lower side of the ceiling plate 7 is used to store grains. A storage chamber 8 for storage is formed, and drying chambers 11 are formed below this storage chamber 8 between ventilation chambers 9 on both left and right outer sides and a ventilation chamber 10 in the center. At the bottom of this drying chamber 11, there is a feed-out valve 19 that feeds out the grains and allows them to flow down.
The drying chamber 11 is rotatably supported by a shaft, and a grain collection gutter 12 in which a transfer spiral is rotatably installed is provided below the drying chamber 11 for communication.

The front machine wall 5 is provided with the dehumidifier 4 and an operating device 13 for starting and stopping the dehumidifier 4 and the dryer 3 for each operation of loading, drying, and discharging. and the ventilation chamber lO are configured to communicate with each other, and an exhaust passage chamber 14 is formed on the rear side of the rear machine wall 5, and an exhaust fan 15 and this An exhaust fan motor 16 that rotationally drives the exhaust fan 15 is provided, and this exhaust fan 15 and each of the exhaust chambers 9
is a structure in which each of the delivery valves 19 is connected to a deceleration mechanism 17 at the lower part of the rear machine wall 5.
This configuration includes a valve motor 18 that is rotationally driven via a valve motor 18.

The grain raising machine 21 is provided in the front part of the front machine wall 5, and a packet conveyor 22 belt is stretched between the upper pulleys inside.
A dispensing tube 23 is provided between the upper end and the starting end of the transfer gutter 6 for communication, and a supply gutter 24 is provided between the lower end and the terminal end of the grain collection gutter 12 for communication. be.

A grain raising machine motor 25 is provided above the grain raising machine 21, and the grain raising machine motor 25 rotationally drives the belt of the packet conveyor 22, the transfer spiral in the transfer gutter 6, and the spreading plate 20, and The structure is such that the transfer spiral in the grain collecting trough 6 is rotationally driven via the packet conveyor 22 belt.

Further, a moisture sensor 26 for detecting grain moisture is provided at the vertical center of the grain raising machine 21, and this moisture sensor 26 is activated by transmitting an electrical measurement signal from the operating device 13. The internal moisture motor 27 rotates,
It is configured to rotationally drive each part of this moisture sensor 26,
The grains falling while being transported to the upper part of the packet conveyor 22 are received and crushed under pressure, and at the same time, the water content of the crushed grains is detected.

The dehumidifier 4 has a box shape and is provided with an outside air inlet 28 on the front wall of the box for sucking in outside air, and the dehumidifier W is provided on the rear wall plate.
The configuration is such that an air outlet 29 is provided for blowing the dehumidified air, which is obtained by converting the outside air sucked into the room i, 4 into the air blowing chamber 10, into the air blowing chamber 10.

In order to convert the outside air sucked into the dehumidifier 4 from the outside air inlet 28 into dehumidified air, the low-temperature, low-pressure gas that is the refrigerant is adiabatically compressed into high-temperature, high-pressure gas by the compressor 30, and then the condenser 2 is compressed. As it passes through, it loses heat and changes into a high-temperature, high-pressure liquid.
After that, the pressure is reduced to a low-temperature, low-pressure liquid at the expansion valve 31, and when it passes through the evaporator 1, it absorbs heat and changes to a low-temperature, low-pressure gas, and the refrigerant repeats this cycle in sequence. The structure is such that the outside air passing through the dehumidifier 4 is dehumidified into dehumidified air.

The evaporator 1 is installed on the front side of the box body, and the condenser 2 is installed on the rear side of the box body.
The evaporator 1 and the condenser 2 are provided so as to be individually rotatable in the front and rear directions with respect to the outside air that is taken in, with the lower end being the center of rotation. The inclination angle of the dehumidifier changes, and as the inclination angle changes, the resistance of the passing air changes and the amount of passing air is controlled. By controlling the amount of passing air, the temperature and humidity of this dehumidifying air are controlled. This is a configuration in which four abilities are controlled.

The evaporator 1 is configured to be rotated by an evaporator motor 32, and the condenser 2 is configured to be rotated by a condenser motor 33, and the refrigerant passes through the evaporator 1 and condenser 2. It has a configuration in which a vibrator 34 and a fin 35 fixed to the vibrator 34 are wrapped in a sandwich shape with wire mesh on both sides, and these evaporator 1, condenser 2, compressor 30, expansion valve 31, etc. 37, and a rotary joint 52 is provided at the connecting portion between the vibrator 34 and the connecting vibrator 37 so as to be rotatable.

The outside air sucked into the dehumidifier 4 is cooled when passing through the evaporator 1, moisture in the air condenses, and the absolute humidity becomes low-temperature, low-humidity air, which then passes through the condenser. This structure absorbs heat when passing through the second part to obtain low dehumidified air with a temperature slightly higher than room temperature.

As shown in Figure 7, when increasing the temperature of the dehumidified air, 1
ii) One side of the left and right sides of the evaporator 1 may be configured as a rotation fulcrum, and the other side may be configured to rotate in the front and rear directions, and as shown in Fig. 8, the temperature of the dehumidified air is lowered. In some cases, one of the right and left sides of the condenser 2 may be configured as a rotation fulcrum, and the other side may be configured to rotate in the front-rear direction.

The operating device 13 has a box shape, and the surface plate of the box has a
A start switch 38 for starting the dryer 3 and the dehumidifier 4 for each operation of loading, drying, and discharging, a stop switch 39 for stopping the dryer 3 and the dehumidifier 4, and a moisture setting switch for setting the finishing target moisture content of grains depending on the operating position. grain type setting oscillation 41 and loading amount setting oscillation 42 for setting the temperature and humidity of the dehumidified air generated from the dehumidifier 4 according to the operating position, detected grain moisture, detected drying temperature, and remaining drying time. It has a configuration including a display window 43 and a monitor display etc. that alternately display the following.
Inside, there are an AD converter 44 for AD converting the detected value, an input circuit 45 to which the converted value converted by the AD converter 44 is input, an input circuit 46 to which various input values are input, and each of these. A CPU 47 that performs arithmetic and logical operations, comparison operations, etc. on various input values input from input circuits 45 and 46;
The structure includes a drying control device 49 consisting of an output circuit 48 etc. which receives and outputs various commands from the PU 47, and each setting 40, 41, 42 is a rotary switch type, and is set to a predetermined value depending on the operating position. This is a configuration in which the numerical value and type of , etc. are set.

The drying control by the drying control device 49 is performed as follows, and the operation of the moisture setting resistor 40 is performed by the CPU.
When the grain moisture detected by the moisture sensor 26 is inputted to the CPU 47, the finishing target moisture content of the grain is set by this input, and when the grain moisture detected by the moisture sensor 26 is inputted to the CPU 478, the detected grain moisture and the finishing target moisture are set. When they are compared and found to be the same, the drying control device 49 automatically controls the drying machine 3.
The drying of the grains is stopped by automatic stop control.

When the operations of the grain type setting button 41 and the loading amount setting pusher 42 are input to the CPU 47, the dehumidified air generated from the MiJ dehumidifier 4 which has been set and stored in the CPU 47 by this input is inputted to the CPU 47. The temperature and humidity of are selected, and by this selection, the inclination angle of the evaporator l and condenser 2 that is set and stored in the CPU 47 is selected, so that it is the same as the selected inclination angle, The evaporator motor 32 and the condenser motor 33, which tilt the evaporator 1 and the condenser 2, are rotationally controlled by the CPU 47 for a predetermined period of time.

Further, a temperature sensor 50 provided in the ventilation chamber 10 detects the temperature of the dehumidified air and inputs it to the CPU 47, a humidity sensor 51 detects the humidity of the dehumidified air and inputs it to the CPU 47, and the detected temperature and humidity are inputted to the CPU 47. The evaporator motor 32 and the condenser motor 33 are
The rotation of the evaporator 1 and the condenser 2 is controlled for a predetermined period of time by the CPU 47, and the angle of inclination is changed. The configuration is such that the resistance changes to control the passing air volume, the temperature and humidity of the detected dehumidified air are controlled to be the same as the set values, and the dehumidifying capacity of the dehumidifier 4 is controlled.

Hereinafter, the operation of the above embodiment will be explained.

By operating each setting catch 40, 41, 42 of the operating device 13 to a predetermined position and operating the start switch 38 that starts dehumidifying and drying, each part of the grain dryer 3, the dehumidifier 4, the moisture sensor 26, etc. starts, and the outside air intake port 2 of this dehumidifier 4
The outside air sucked in from the dehumidifier 8 is converted into dehumidified air at a predetermined temperature and humidity in the dehumidifier 4, and this dehumidified air is passed through the air outlet 29, the air blowing chamber 10, the drying chamber 11, and the air exhaust chamber. The grains stored in the storage chamber 8 are sucked and exhausted outside the machine by the exhaust fan 15 through the storage chamber 8 and the exhaust duct chamber 14, while flowing down from the storage chamber 8 into the drying chamber 11. The grain is exposed to this dehumidified air and dried, and is fed out to the lower part by the feeding valve 19 and flows down from the inside of the collecting gutter 12 to the feeding gutter 24 to the grain hoisting machine 2.
1 by the lower transfer spiral, transported to the upper part by the packet conveyor 22, passed through the dispensing tube 23, and supplied into the transfer gutter 6, and from this transfer gutter 6 onto the spreading plate 20 by the upper transfer spiral. The moisture sensor 2 is transported and supplied, is evenly diffused and reduced into the storage chamber 8 by the diffusion plate 20, and is circulated and dried.
6 operates the moisture setting desk 40 and detects the same grain moisture as the finishing target moisture set, the drying control device 49 of the operating device 13 automatically controls and stops the drying of the grains.

During this dehumidifying and drying work, the temperature of the dehumidifying air having a predetermined temperature and a predetermined humidity set at the operating positions of the respective settings 41 and 42 is detected by the temperature sensor 50, and the humidity is detected by the humidity sensor 50.
1, the detected temperature and the set temperature are compared, and the detected humidity and the set humidity are compared, and if they are detected to be different, the evaporator motor 32 is operated so that the set temperature and the set humidity are the same. The condenser motor 33 is started and rotated, and the rotation of these motors 32 and 33 individually rotates the evaporator 1 and the condenser 2, changing the inclination angle in the front and rear direction. The resistance of the outside air passing through this first part of the evaporator and this second part of the condenser changes, and by controlling the amount of passing air, the detected temperature and detected humidity are controlled to be the same as the set temperature and set humidity, and this same temperature And the grains are dried with dehumidified air controlled to the same humidity.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is a block diagram, Fig. 2 is an enlarged side perspective view of a dehumidifier, Fig. 3 is an overall side view of a grain dryer, and Fig. 4 is a block diagram. FIG. 3 is a sectional view taken along line A-A in FIG. 3, FIG. 5 is a rear view of a portion of the grain dryer, FIG. 6 is an enlarged partially cutaway front view of a portion of the grain dryer, and FIG. FIG. 8 is an enlarged plan view of a portion of the dehumidifier. Explanation of symbols 1 Evaporator 2 Condenser

Claims (1)

[Claims] In a dehumidifier that obtains dehumidified air by passing an evaporator 1 and a condenser 2, the evaporator 1 and the condenser 2 are provided so as to be freely rotatable in the front and rear directions with respect to the passing air, thereby reducing the passage resistance of the passing air. 1. A dehumidifying air control device configured to control the dehumidifying air by changing the dehumidifying air.