JPH08136021A - Ventilation drier - Google Patents

Abstract

PURPOSE: To provide a ventilation drier which achieve a lower running cost by enabling effective operation of a heater. CONSTITUTION: This apparatus is provided with a blower 7 which is adapted to discharge air in a room to dry an object to be dried in the room, a heater 9 to raise temperature and a control means 12 to control the operation or the stoppage of the blower 7 and the heater 9 in a working sequence preset. The operation time of the heater 9 is controlled to be shorter than the operation time of the blower 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to operation control of a ventilation dryer which is attached to a ceiling of a bathroom or the like to dry an object to be dried such as a bathroom and laundry installed in the bathroom.

[0002]

2. Description of the Related Art In recent years, an increasing number of households have installed a ventilation dryer in a bathroom to ventilate the moisture in the bathroom and dry the laundry using the bathroom when the bathroom is not in use. .

A conventional ventilation dryer will be described below with reference to FIG. As shown in the figure, on the ceiling of the bathroom 101, a ventilation blower 102 for ventilating indoor air outside the room,
The main body 105 of the ventilation dryer equipped with the heating device 104 having the heater 103 for circulating and warming the indoor air is attached, the heating device 104 and the ventilation fan 102 are energized, and the ventilation dryer is continuously operated to operate the bathroom. 101 or bathroom 1
The object to be dried 106 such as a laundry hanging in 01 was dried.

Further, in order to effectively perform ventilation drying, the heating device 104 and the blower 102 are alternately alternated for about 20 minutes and 1 minute.
Some were configured to run at 0 minute intervals.

[0005]

In the structure of such a conventional ventilation dryer, since the heating device 104 and the ventilation fan 102 are continuously operated for the same time, the heating device 104 is operated more than necessary. It was operated and was performing inefficient ventilation drying. In addition, when the operation of the heating device 104 and the operation of the ventilation blower 102 are alternately performed, the moisture generated from the drying target 106 diffuses in the bathroom 101 while the ventilation blower 102 is stopped. Even if the ventilation blower 102 is operated next, the moisture cannot be exhausted sufficiently, and the heating target 104 causes the drying target 106 to be dried.
There is a problem in that even if it is warmed to promote the release of water, the effect is small and that it takes a long time to dry.

When the heating device 104 and the ventilation fan 102 are alternately operated, when the drying operation is stopped after the ventilation fan 102 is stopped, the object to be dried 106 becomes cold, Particularly, in the case of laundry such as clothes, there is a problem that the feeling of finishing is poor.

Further, the operating time varies depending on the amount of the object to be dried 106, and the drying operation is performed while confirming the drying condition. Therefore, the drying operation is performed more than necessary, resulting in a running cost. there were.

SUMMARY OF THE INVENTION The first object of the present invention is to provide a ventilation dryer for effectively operating a heating device to perform efficient ventilation drying.

The second object is to perform ventilation drying with a good feeling of finish at the end of ventilation drying operation.

A third object is to accurately detect the end of drying and automatically stop the operation even if the amount of the object to be dried is different.

[0011]

In order to achieve the above-mentioned first object, the ventilation dryer according to the present invention comprises a blower for exhausting indoor air to dry an object to be dried in the room.
A heating device that raises the temperature of the object to be dried in the room, and a control means that operates and stops the blower and the heating device in a preset operation sequence, and the operating time of the heating device from the execution time of the operation sequence The control means is configured to control the calculated time to be shorter than the operation time of the blower.

The second means for achieving the first object constitutes the control means so that the blower and the heating device are operated immediately after the start of operation.

The third means for achieving the second object constitutes the control means so that the heating device is operated at a preset time immediately before the operation is stopped.

A fourth means for achieving the third object is a blower for exhausting indoor air to dry the indoor drying object, and a heating device for raising the temperature of the indoor drying object. A control unit for operating and stopping the blower and the heating device in a preset operation sequence; and a measuring unit provided in the room for measuring the weight of the object to be dried, the change amount of the measurement value of the measuring unit. The control means is configured to automatically stop the operation of the blower and the heating device.

[0015]

The present invention has the structure of the above-mentioned first means.
The ventilation drying operation can be performed by setting the operating time of the heating device to be shorter than the operating time of the blower.

Further, with the configuration of the second means, the heating device can be operated together with the blower immediately after the start of the ventilation drying operation in the operation sequence of the ventilation drying operation.

With the configuration of the third means, the heating device can be operated for a preset time immediately before the ventilation drying operation is stopped in the operation sequence of the ventilation drying operation.

Further, according to the structure of the fourth means, by measuring the change in the weight of the object to be dried by the measuring means, the end of drying can be detected and the ventilation drying operation can be automatically stopped.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
This will be described with reference to FIG.

As shown in the figure, the main body 2 of the ventilation dryer attached to the ceiling of the bathroom 1 has a suction port 3 communicating with the bathroom 1.
And a discharge port 4 that communicates with the outside of the room, an exhaust blower 7 that is operated / stopped according to a preset operation sequence 6 by a control switch 5 that is remotely operated from the main body 2, and drying of laundry or the like suspended in the bathroom 1. A heating device 9 for warming the object 8 is provided.

The control switch 5 includes an operation sequence setting means 10 for setting the operation of the main body 2, an operation time setting means 11 for setting the operating time of the main body 2, the operation sequence setting means 10 and the operation time setting means. 11, a control means 12 for setting and executing the operation sequence 6 in response to a signal, a display means 13 for displaying an operating state based on the operation sequence 6, a blower drive circuit 14 for driving the blower 7, and a heating device. 9 and the heating device drive circuit 15 for driving 9.

The operation sequence setting means 10 is shown in FIG.
Switch 1 from the left on the front of control switch 5 as shown in
0a, 10b, 10c, and 10d are arranged side by side and labeled as "operation off", "ventilation drying", "hot drying", and "ventilation".

Further, the operating time setting means 11 has a switch 11a for increasing the set value of the operating time and a switch 11b for decreasing the set value, which are arranged on the front surface of the control switch 5 in the vertical direction, and are "+", "-". Is displayed.

The display means 13 has a plurality of light emitting elements 13a for displaying the operating time on the front surface of the control switch 5.
And the light emitting element 13b, the light emitting element 13c, and the light emitting element 1 corresponding to the switches 10b, 10c, and 10d.
And 3d.

In the above structure, the operation of the ventilation dryer is
The operation is performed as shown in the operation sequence 6 of FIG. That is, when the switch 10b is pressed, the control means 12 causes the operating time setting means 11 to preliminarily use the weight of the object to be dried 8 as a guide.
The ventilation / drying operation is performed for the time t1 set in.

The time t2 for operating the heating device 9 by the control means 12 is shown in (Equation 1).

[0027]

[Equation 1]

As shown in (Equation 1), the control means 12
Calculates the time t2 for operating the heating device 9, sends a signal to the heating device drive circuit 15 immediately after the start of operation, operates the heating device 9 for the time t2, and sends a signal to the blower drive circuit 14 immediately after the start of operation 7 can be driven only for time t1.

Next, when the switch 10c is pressed, the control means 12 causes the blower 7 and the heating device 9 to operate in the same manner as when the switch 10b is pressed. The heating device 9 controls the control means 12 according to the operation sequence 6 when the time t2 elapses.
A stop signal is sent from the heater to the heating device drive circuit 15 to enter the stop state. Then, at t3 hours before the stop time of the ventilation drying operation, an operation signal is sent again from the control means 12 to the heating device drive circuit 15, and the operation is started to warm the drying object 8. When the operation time t1 elapses, a stop signal is issued from the control means 12 to the blower drive circuit 14 and the heating device drive circuit 15, and the blower 7 and the heating device 9 can be stopped.

As described above, according to the ventilation dryer of the first embodiment of the present invention, the operating time of the heating device 9 is set to the operation sequence 6
By making the time calculated from the execution time of (1) and shorter than the operation time of the blower 7, it is possible to shorten the time for operating the heating device 9 and perform energy-saving ventilation drying.

When the temperature of the object to be dried is low and the water content is high, the operation of the heating device 9 is set to a time calculated from the time preset by the operation time setting means 11 and started immediately after the start of the drying operation. The heating and drying can be effectively performed, the drying can be promoted by the temperature increase, and the ventilation drying operation can be efficiently performed by stopping when the water content becomes low.

By operating the heating device 9 at a preset time t3 immediately before the ventilation drying operation is stopped,
The finish state of the drying object 8 installed in the bathroom 1 becomes fluffy, and the feeling of finish can be improved.

Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. The second embodiment is the first
The structure of the main body and the structure of the control switch are different from those of the embodiment, and the same parts as those of the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

As shown in the figure, the ventilation dryer main body 16
Is provided with a measuring means 17 for measuring the weight of the object to be dried 8 suspended from the ceiling surface of the bathroom 1 toward the room.

The control switch 18 comprises an operation sequence setting means 21 for setting the operation of the main body 16, a control means 19 for receiving the signals from the operation sequence setting means 21 and the measuring means 17 and executing an operation sequence 20, and Display means 1 for displaying the operating state based on the operation sequence 20
3, a blower drive circuit 14 for driving the blower 7,
The heating device drive circuit 15 drives the heating device 9.

Then, the operation sequence setting means 21 is
As shown in FIG. 6, a switch 10a, a switch 21a, and a switch 10d are arranged side by side on the front surface of the control switch 5 and are labeled with "operation off", "ventilation drying", and "ventilation".

In the above structure, when the switch 21a is pushed, the control means 19 operates the ventilation / drying operation in the operation sequence 20 of FIG.
7, the control means 19 determines the stop time of the heating device 9 based on the weight of the drying object 8 at the start of the drying operation, and issues a stop signal to the heating device drive circuit 15. The heating device 9 is stopped, the saturation point of the weight change is determined, it is determined that the drying is completed, a stop signal is issued to the blower drive circuit 14 to stop the blower 7, and the ventilation drying operation is automatically performed. It will be stopped.

As described above, according to the ventilation dryer of the second embodiment of the present invention, the measuring means 1 for measuring the weight of the object 8 to be dried.
7 is provided to change the weight of the drying object 8 from the heating device 9
By stopping the operation of the fan 7 and the blower 7, it is possible to accurately detect the degree of drying of the object 8 to be dried, and to automatically perform the ventilation drying operation. Can be lowered.

Further, it becomes unnecessary to set the operation time by the operation time setting means 11 in advance with the weight of the object to be dried 8 as a guide, and the ventilation drying operation can be performed easily.

Although there is generally one in which the blower 7 is operated for 1 to 2 minutes to cool the heating device at the end of the ventilation drying operation, the number of hours handled in the ventilation drying operation of the embodiment of the present invention is Operation sequence 20 because it is longer
The above does not include the operations performed for quality maintenance of such a device.

[0041]

As is apparent from the above embodiments, according to the present invention, an air blower for exhausting indoor air to dry an indoor drying object, and a heating device for raising the temperature of the indoor drying object. And a control means for operating the blower and the heating device to start / stop in a preset operation sequence, wherein the operating time of the heating device is a time calculated from the execution time of the operating sequence and shorter than the operating time of the blower. Since the control means is provided to control the time,
It is possible to provide an efficient ventilation dryer that supplies less energy.

Further, since the blower and the heating device are operated immediately after the start of the ventilation drying operation, the heating device is operated when the water content of the object to be dried is large and the temperature of the object to be dried is low. The supplied energy can be used effectively and efficient ventilation drying can be performed.

Further, since the heating device is operated for a preset time immediately before the ventilation / drying operation is stopped, the finish condition of the object to be dried placed in the room becomes warm and the finish feeling can be improved.

Further, the measuring means for measuring the weight of the object to be dried is provided to stop the ventilation drying operation from the change in the weight of the object to be dried. The operation can be automatically terminated, the operation is not continued more than necessary, the running cost can be reduced, and the ventilation drying can be safely performed.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a ventilation dryer according to a first embodiment of the present invention.

FIG. 2 is a front view of a control switch of the ventilation dryer of the first embodiment.

FIG. 3 is an operation explanatory diagram of the ventilation dryer of the first embodiment.

FIG. 4 is a sectional view showing a construction state of the ventilation dryer of the first embodiment.

FIG. 5 is a sectional view showing a construction state of the ventilation dryer of the second embodiment.

FIG. 6 is a front view of a control switch of the ventilation dryer of the second embodiment.

FIG. 7 is a block diagram showing the configuration of the ventilation dryer of the second embodiment.

FIG. 8 is an operation explanatory view of the ventilation dryer of the second embodiment.

FIG. 9 is a sectional view showing a construction state of a conventional ventilation dryer.

[Explanation of symbols]

 6 Operation Sequence 7 Blower 8 Drying Object 9 Heating Device 12 Control Means 17 Measuring Means 19 Control Means 20 Operation Sequence

Claims (4)

[Claims] 1. A blower for exhausting indoor air to dry an object to be dried in the room, a heating device for raising the temperature of the object to be dried in the room, and an operation sequence in which the fan and the heating device are preset. A ventilation dryer comprising: a control unit for stopping the operation, the control unit configured to control the operating time of the heating device to a time calculated from the execution time of the operation sequence and shorter than the operating time of the blower. 2. The ventilation dryer according to claim 1, wherein the control means is configured to operate the blower and the heating device immediately after the start of operation. 3. The control means is configured to operate the heating device at a preset time immediately before the operation is stopped.
Ventilation dryer described. 4. A blower for exhausting indoor air to dry an object to be dried in the room, a heating device for raising the temperature of the object to be dried in the room, and an operation sequence in which the fan and the heating device are preset. A control means for stopping the operation and a measuring means for measuring the weight of the object to be dried provided in the room are provided, and control is performed so as to automatically stop the operation of the blower and the heating device based on the change amount of the measurement value of the measuring means. A ventilation dryer that constitutes a means.