JPH09112984A - Ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decompose and vaporize cooked oil adhered after cooking at the ambient temperature by providing a filter in a hood body, providing catalysts in the body and on the filter surface and providing exciting means for exciting and activating the catalysts. SOLUTION: At the time of cooking, the motor 4 if a blower 5 is rotatably driven to suck the generated oil smoke 6 from the suction port 2 of a hood body 1, sucked to a filter 9, and oil drop 8 in the smoke 6 is adhered to and captured to the filter 9. The air that the drop 6 is purified is exhausted to the outdoor through an exhaust port 7 without almost contaminating the innermost part in the body 1, the motor 4 and the blower 5. When the suction hole 10 is gradually clogged by the adherence of the drop 8 to the filter 9, the near ultraviolet radiation lamp 14 of exciting means 13 is lit to react the radiated exciting light with the catalyst 12 provided on the surface of the filter 9, the drop 8 adhered to the filter 9 is decomposed and vaporized to low carbon molecule, carbon dioxide and steam in the ambient temperature state to purify the filter 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator for a kitchen or a business for home use, and ventilation for controlling operation of a self-oil purifying function for preventing an unpleasant condition due to oil stains such as oil smoke. Regarding the device.

[0002]

2. Description of the Related Art In recent years, due to increased hygiene, a feeling of cleanliness, and labor saving, a ventilation device for a kitchen or a business at home is always maintained in a clean and clean state due to self-decomposition of oil stains. Is required.

Conventionally, this type of ventilator has been disclosed in
A configuration as shown in JP-A-151029 was common. The configuration will be described below with reference to FIG.

As shown in the figure, a fan motor 202 is provided inside the main body 201, and an intake port 203 of the main body 201 is provided.
Is provided with a filter 204. An exhaust port 205 is provided on the rear surface of the main body 201, and a far infrared heat source 206 is provided inside the main body 201. A heating catalyst 207 is applied to the filter 204.

In the above structure, when the far-infrared heat source 206 is electrically heated, the filter 204 is heated and the heating catalyst 2 is heated.
By the action of 07, the cooking oil attached to the surface of the filter 204 is catalytically decomposed and vaporized.

[0006]

In such a conventional ventilator, it is necessary to raise the temperature of the filter 204 to 300 ° C. or higher in order to activate the heating catalyst 207.
There was a problem that safety against fire and burns, energy loss was large, and operation control for catalytic decomposition of cooking oil was not clarified.

The present invention solves the above problems, and provides a ventilator having a self-cleaning function of decomposing and vaporizing cooking oil attached after cooking at room temperature and capable of controlling the operation of this self-cleaning function. The purpose is to

[0008]

In order to achieve the above object, the first aspect of the present invention is to provide a ventilator having a motor and a fan for exhausting indoor air to the outside and supporting the ventilator. And, a filter is provided inside the hood main body provided with an exhaust port, a catalyst is provided inside the hood main body and the filter surface to excite and activate the catalyst, and a blower for driving and stopping the motor. A switch, a motor drive means for controlling the motor, and an excitation drive means for controlling the excitation means are provided, and the blower switch, the motor drive means and the excitation drive means drive the motor and the excitation means of the blower. A circuit is provided.

A second means for achieving the above object is to provide a predetermined time measuring means for measuring the lapse of a predetermined time, and use a blower switch, a motor driving means, an excitation driving means and the predetermined time measuring means. A drive circuit for driving the motor of the blower and the excitation means is provided.

A third means for achieving the above object is provided with a blower switch operation judging means for judging whether the blower switch has been operated within a certain period of time, the blower switch, the motor driving means, Excitation driving means, a predetermined time measuring means, and a drive circuit for driving the motor of the blower and the excitation means by the blower switch operation determination means are provided.

The fourth means for achieving the above object is to judge whether the blower switch has been operated within a certain period of time and to operate the blower switch,
A remaining time storage means for storing a remaining time obtained by subtracting a predetermined time from a fixed time is provided, and the blower switch, the motor driving means, the excitation driving means, and the predetermined time measuring means,
The blower switch operation determination means and the remaining time storage means are provided with a drive circuit for driving the blower motor and the excitation means.

Further, a fifth means for achieving the above object is to provide a motor automatic drive means for controlling a blower motor separately from the motor drive means, and to provide a blower switch, the motor drive means, and an excitation drive means. A drive circuit for driving the motor and the exciting means of the blower by the motor automatic driving means and the predetermined time measuring means is provided.

A sixth means for achieving the above object is to use a blower switch, a motor driving means, an excitation driving means, a motor automatic driving means, a predetermined time measuring means and a blower switch operation judging means. A drive circuit for driving the motor and the excitation means is provided.

A seventh means for achieving the above object is a blower switch, a motor driving means, an excitation driving means, a motor automatic driving means, a predetermined time measuring means,
The blower switch operation determination means and the remaining time storage means are provided with a drive circuit for driving the motor and the excitation means of the blower.

An eighth means for achieving the above object is to provide an intake port side carbon dioxide amount detecting element at the intake port,
The inlet side carbon dioxide amount detecting means for detecting the input of the inlet side carbon dioxide amount detecting element is provided, the blower side carbon dioxide amount detecting element is provided at the exhaust port, and the input of the blower side carbon dioxide amount detecting element is detected. A blower side carbon dioxide amount detecting means is provided, and the intake side carbon dioxide amount detected by the intake side carbon dioxide amount detecting means and the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means are compared and judged. A carbon dioxide amount calculating means is provided, a blower switch, a motor driving means, an excitation driving means, a motor automatic driving means, the intake side carbon dioxide amount detecting element, and the intake side carbon dioxide amount detecting means, The blower side carbon dioxide amount detecting element, the blower side carbon dioxide amount detecting means and the carbon dioxide amount calculating means drive a blower motor and an exciting means. Configured to provided the that the drive circuit.

The ninth means for achieving the above object is whether the blower switch is operated while the carbon dioxide amount calculating means compares the intake side carbon dioxide amount with the blower side carbon dioxide amount. A blower switch input judging means for judging is provided, and the blower switch, the motor driving means,
Excitation driving means, motor automatic driving means, inlet side carbon dioxide amount detecting element, inlet side carbon dioxide amount detecting means, blower side carbon dioxide amount detecting element, blower side carbon dioxide amount detecting means, and A drive circuit for driving the motor and the excitation means of the blower by the carbon dioxide amount calculation means and the blower switch input determination means is provided.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is capable of controlling the operation of the self-cleaning function of a ventilation device capable of decomposing and vaporizing cooking oil attached after cooking at room temperature by the constitution of the above-mentioned first to ninth means. It is in.

The first embodiment of the present invention will be described below with reference to FIGS. 1, 2 and 3.

As shown in the figure, 1 is a hood main body of a ventilation device, the lower part of which is opened to form an intake port 2 and which is attached to a wall surface 3 so as to be located above a range (not shown). A blower 5 having a motor 4 and a fan 4a is housed inside the hood body 1, and oil smoke 6 generated from the range is sucked by the blower 5 from the intake port 2 and provided on the upper surface of the hood body 1. It is formed so as to be discharged to the outside of the room through the exhaust port 7. further,
A filter 9 for catching oil droplets 8 in the oil smoke 6 is arranged in a ventilation path connecting the air intake 2 of the hood body 1 and the blower 5. The filter 9 is formed of punching metal or the like having an intake hole 10 on the entire surface. A constant space 11 is provided on the intake side of the filter 9 inside the hood body 1, and a catalyst 12 (for decomposing and vaporizing the cooking oil attached to the inner surface of the hood body 1 and the surface of the filter 9 of the space 11) For example, an oxidation catalyst, a photocatalyst, etc.) is provided. Further, a filter 9 is provided below the inside of the hood body 1.
Excitation means 13 for exciting and activating the catalyst 12 is provided on the surface opposite to. This exciting means 13 is
It is composed of a near-ultraviolet light irradiation lamp 14. The hood body 1 is provided with a blower switch 15 for driving and stopping the motor 4 of the blower 5, and receives a signal from the blower switch 15 to control the motor 4 of the blower 5 and the excitation means 13. 16A and this control unit 16A
Is a motor drive means 17 for controlling the motor 4 of the blower 5.
And an excitation drive means a19 for controlling the excitation means 13, the blower switch 15, the motor drive means 17 and the excitation drive means a19 to drive the motor 4 and the excitation means 13 of the blower 5. The drive circuit 18 is provided.

With the above structure, the motor 4 of the blower 5 is driven and rotated during cooking, and the generated oil smoke 6 is generated by the hood body 1.
The oil drops 8 in the oil smoke 6 are attached to and captured by the filter 9. Therefore, the air from which the oil droplets 8 have been purified is exhausted to the outside through the exhaust port 7 without almost contaminating the inner part of the hood body 1, the motor 4, and the blower 5. On the other hand, in the filter 9, the intake hole 10 is gradually clogged due to the adhesion of the oil droplets 8, but it is necessary to remove it regularly. In this case, the near-ultraviolet light irradiation lamp 14 of the excitation means 13 is turned on, the emitted excitation light is caused to react with the catalyst 12 provided on the surface of the filter 9, and the oil droplets 8 attached to the filter 9 are kept at room temperature. Can be decomposed and vaporized into low carbon molecules, carbon dioxide and water vapor, and the filter 9 can be purified. And the space portion 11
Although the oil droplets 8 adhere to the inner surface of the hood body 1, the amount of the oil droplets 8 is small as compared with the surface of the filter 9 and the reflected light of the excitation light with which the filter 9 is irradiated allows the oil droplets 8 to be sufficiently carbon molecule,
It is possible to control the operation of the self-cleaning function of the ventilation device that decomposes and vaporizes carbon dioxide and water vapor.

Further, in the control part of the ventilation device, the motor driving means 17 drives the motor 4 through the drive circuit 18 for controlling the operation of the blower 5 in response to the signal of the operation input of the blower switch 15. The excitation driving means a19 receives the signal of the operation input of the blower switch 15, and the excitation means 13
The excitation means 13 is driven through the drive circuit 18 that controls the operation of the. The motor drive means 17 receives the signal of the stop input of the blower switch 15 and stops the motor 4 through the drive circuit 18 which controls the operation of the blower 5. The excitation drive means a19 receives the signal of the stop input of the blower switch 15 and stops the excitation means 13 through the drive circuit 18 which controls the operation of the excitation means 13.

As for the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 40, and if there is no input, step 40 is repeated until there is input. When the operation input of the blower switch 15 is confirmed in step 40,
Proceeding to step 41, the motor driving means 17 proceeds to step 4
The motor 4 is driven through the drive circuit 18 in response to the signal of the operation input of the blower switch 0 of 0, and the process proceeds to step 42. Further, the excitation drive means a19 receives the signal of the operation input of the blower switch 15 in step 40 and receives the drive circuit 18
The excitation means 13 is driven through, and the process proceeds to step 43. In step 43, the stop input of the blower switch 15 is confirmed, and if there is no input, step 43 is repeated until there is input. When the stop input of the blower switch 15 is confirmed in step 43, the process proceeds to step 44, and the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 43 to stop the motor 4 through the drive circuit 18, Moving to 45, the excitation drive means a19 receives the signal of the stop input of the blower switch 15 in step 43 to stop the excitation means 13 through the drive circuit 18, and returns to step 40.

As described above, according to the ventilator of the first embodiment of the present invention, the catalyst and the excitation means operate the self-cleaning function of the ventilator for decomposing and vaporizing the adhering oil during cooking at room temperature during cooking. Can be controlled.

Next, a second embodiment of the present invention will be described with reference to FIGS. 4 and 5. The same portions as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control unit 16A is provided with an excitation drive means b20 for controlling the excitation means 13 and a predetermined time measuring means 21 for measuring the elapse of a predetermined time. The blower switch 15 and the motor drive. Means 17 and a drive circuit 18 for driving the motor 4 of the blower 5 and the excitation means 13 by the excitation drive means b20 and the predetermined time measuring means 21 are provided.

With the above-mentioned structure, in the control part of the ventilation device, the excitation drive means b20 drives the excitation means 13 through the drive circuit 18 which receives the signal of the stop input of the blower switch 15 and controls the operation of the excitation means 13. The predetermined time measuring means 21 measures a predetermined time from the time when the exciting means 13 is driven. The excitation drive means b20 stops the excitation means 13 through the drive circuit 18 which controls the operation of the excitation means 13 from the signal of the measurement means 21 for a predetermined time.

As for the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 46, and if there is no input, step 46 is repeated until there is an input. When the operation input of the blower switch 15 is confirmed in step 46,
Proceeding to step 47, the motor driving means 17 makes step 4
In response to the signal of the operation input of the blower switch 15 of 6, the motor 4 is driven through the drive circuit 18, and the process proceeds to step 48. In step 48, the stop input of the blower switch 15 is confirmed, and if there is no input, step 48 is input until there is input.
repeat. When the stop input of the blower switch 15 is confirmed in step 48, the process proceeds to step 49, in which the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 48 to stop the motor 4 through the drive circuit 18, 50, the excitation drive means b20 receives the signal of the stop input of the blower switch 15 in step 48 to drive the excitation means 13 through the drive circuit 18, then moves to step 51, and the predetermined time measuring means 21 measures the predetermined time. Start and move to step 52. Step 52
At step 51, the predetermined time when the measurement is started is confirmed, and step 52 is repeated until a fixed time has elapsed. If a certain time has passed in step 52, step 5
3, the predetermined time measuring means 21 stops the measurement of the predetermined time started in step 51, and the process proceeds to step 54, in which the excitation driving means b20 receives the signal of the predetermined time measuring means 21 in step 53 and the driving circuit. The excitation means 13 is stopped through 18 and the process returns to step 46.

As described above, according to the ventilator of the second embodiment of the present invention, the cooking oil adhered after cooking for a certain period of time after use of the ventilator is decomposed and vaporized at room temperature by the catalyst and the exciting means. It is possible to control the operation of the self-cleaning function.

Next, a third embodiment of the present invention will be described with reference to FIGS. 6 and 7. Note that the first and second
The same parts as those in the embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control section 16A is provided with a blower switch operation judging means a22 for judging whether the blower switch 15 has been operated within a predetermined time, and the blower switch 15 and the motor driving means 17 are provided. The motor 4 of the blower 5 is controlled by the excitation driving means b20, the predetermined time measuring means 21 and the blower switch operation judging means a22.
And a drive circuit 18 for driving the excitation means 13 is provided.

With the above-mentioned structure, in the control part of the ventilation device, the blower switch operation judging means a22 judges whether the blower switch 15 has been operated while the predetermined time measuring means 21 is measuring the predetermined time.

In the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 55, and if there is no input, step 55 is repeated until there is an input. When the operation input of the blower switch 15 is confirmed in step 55,
Proceeding to step 56, the motor drive means 17 executes step 5
In response to the operation input signal of the blower switch 15 of No. 5, the motor 4 is driven through the drive circuit 18, and the routine proceeds to step 57. In step 57, the stop input of the blower switch 15 is confirmed. If there is no input, step 57 is entered until there is input.
repeat. When the stop input of the blower switch 15 is confirmed in step 57, the process proceeds to step 58, in which the motor drive means 17 receives the signal of the stop input of the blower switch 15 in step 57 to stop the motor 4 through the drive circuit 18, 59, the excitation drive means b20 receives the signal of the stop input of the blower switch 15 in step 57 to drive the excitation means 13 through the drive circuit 18, then moves to step 60, and the predetermined time measuring means 21 measures the predetermined time. After the start, the flow proceeds to step 61, and the blower switch operation determination means a22 causes the blower switch 15
It is determined whether or not is operated, and the process proceeds to step 62. In step 62, the predetermined time when the measurement is started in step 60 is confirmed, and if the predetermined time has not elapsed, the process proceeds to step 63, the operation of the blower switch 15 is confirmed, and if there is no operation input, the process returns to step 62. . If there is an operation input of the blower switch 15 in step 63, the process proceeds to step 64, and the motor driving means 17 makes the step 63.
The motor 4 is driven through the drive circuit 18 in response to the signal of the operation input of the blower switch 15 of No. 6, and the process proceeds to Step 65, and the predetermined time measuring means 21 resets the measurement of the predetermined time started in Step 60, and Step 66. The excitation drive means b20 receives the signal of the predetermined time measuring means 21 in step 65, stops the excitation means 13 through the drive circuit 18, and returns to step 57.

If the predetermined time has elapsed in step 62, the process proceeds to step 67, the predetermined time measuring means 21 stops the measurement of the predetermined time started in step 60, and the process proceeds to step 68, and the excitation driving means. b20 receives the signal from the measuring means 21 for a predetermined time in step 67 and stops the exciting means 13 through the drive circuit 18,
Return to 5.

As described above, according to the ventilator of the third embodiment of the present invention, the cooking oil attached after cooking can be decomposed and vaporized at room temperature for a certain period of time after the use of the ventilator by the catalyst and the exciting means. . In addition, if you use the ventilation device within a certain period of time when the cooking oil is decomposed and vaporized,
The self-cleaning function of the ventilation device that decomposes and vaporizes cooking oil can be controlled.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 8 and 9. The same parts as those in the first, second and third embodiments are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control unit 16A judges whether the blower switch 15 has been operated within a certain period of time, and when the blower switch 15 is operated, the remaining amount obtained by subtracting a predetermined period from the constant period A remaining time storage means 23 for storing time is provided, and the blower switch 15 and
Motor drive means 17, excitation drive means b20, predetermined time measuring means 21, blower switch operation determination means a22
Further, a drive circuit 18 for driving the motor 4 and the excitation means 13 of the blower 5 by the remaining time storage means 23 is provided.

With respect to the control portion of the ventilator having the above-mentioned configuration, the remaining time storage means 23 determines whether the blower switch 15 has been operated within a certain time period after the predetermined time measuring means 21 starts measuring the predetermined time. When the blower switch 15 is operated, the remaining time obtained by subtracting a predetermined time from a fixed time is stored.

In the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 69, and if there is no input, step 69 is repeated until there is an input. When the operation input of the blower switch 15 is confirmed in step 69,
Proceeding to step 70, the motor driving means 17 executes step 6
In response to the signal of the operation input of the blower switch 15 of 9, the motor 4 is driven through the drive circuit 18, and the process proceeds to step 71. In step 71, the stop input of the blower switch 15 is confirmed. If there is no input, step 71 is entered until there is input.
repeat. When the stop input of the blower switch 15 is confirmed in step 71, the process proceeds to step 72, and the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 71 to stop the motor 4 through the drive circuit 18, 73, the excitation drive means b20 receives the stop input signal of the blower switch 15 in step 71 to drive the excitation means 13 through the drive circuit 18, then moves to step 74, and the predetermined time measuring means 21 measures the predetermined time. After the start, the process proceeds to step 75, and the blower switch operation determining means a22 causes the blower switch 1
After determining whether 5 is operated, the process proceeds to step 76, and the remaining time storage means 23 starts storing the remaining time after subtracting the predetermined time when the measurement was started in step 74 from the fixed time, and step 77. Move to. In step 77, the predetermined time when the measurement is started in step 74 is confirmed, and if the fixed time has not elapsed, the process proceeds to step 78, the operation of the blower switch 15 is confirmed, and if there is no operation input, the process returns to step 77. . If there is an operation input of the blower switch 15 in step 78, step 79
Then, the motor drive means 17 receives the signal of the operation input of the blower switch 15 in step 78 to drive the motor 4 through the drive circuit 18, and the process proceeds to step 80. The remaining time after subtracting the predetermined time when the measurement is started is stored, and a new fixed time is set as the drive time of the excitation means 13, and the process proceeds to step 81. Step 81 blower switch 15
If the stop input is confirmed, and if there is no input, step 81 is repeated until there is input. When the stop input of the blower switch 15 is confirmed in step 81, the process proceeds to step 82, in which the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 81 to stop the motor 4 through the drive circuit 18, Return to 77.

If the predetermined time has elapsed in step 77, the process proceeds to step 83, the predetermined time measuring means 21 stops the measurement of the predetermined time started in step 74, and the process proceeds to step 84 to drive the excitation. The means b20 receives the signal of the predetermined time measuring means 21 in step 83, stops the excitation means 13 through the drive circuit 18, and returns to step 69.

As described above, according to the ventilator of the fourth embodiment of the present invention, once the ventilator is used, the cooking oil adhered after cooking is decomposed by the catalyst and the exciting means at room temperature until a certain period of time elapses. , It is possible to control the operation of the self-cleaning function of the vaporizing ventilation device.

Next, a fifth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same parts as those in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control section 16A is provided with a motor automatic drive means a24 for controlling the motor 4 of the blower 5 in addition to the motor drive means 17, and a blower switch 15 and
The motor driving means 17, the excitation driving means b20, the motor automatic driving means a24 and the predetermined time measuring means 2
1, a drive circuit 18 for driving the motor 4 and the excitation means 13 of the blower 5 is provided.

With the above-mentioned structure, in the control part of the ventilation device, the motor automatic drive means a24 is the motor drive means 17
A drive circuit for controlling the operation of the blower 5 in response to the signal of the stop input of the blower switch 15 in addition to driving and stopping the motor 4 through the drive circuit 18 in response to the signal of the operation of the blower switch 15 The motor 4 is driven through 18 and the motor automatic drive means a2
4 receives the signal from the excitation drive means b20 and stops the motor 4 through the drive circuit 18 that controls the operation of the blower 5.

As for the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 85, and if there is no input, step 85 is repeated until there is an input. When the operation input of the blower switch 15 is confirmed in step 85,
Proceeding to step 86, the motor drive means 17 proceeds to step 8
In response to the operation input signal of the blower switch 15 of No. 5, the motor 4 is driven through the drive circuit 18, and the routine proceeds to step 87. In step 87, the stop input of the blower switch 15 is confirmed. If there is no input, step 87 is entered until there is input.
repeat. When the stop input of the blower switch 15 is confirmed in step 87, the process proceeds to step 88, in which the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 87 to stop the motor 4 through the drive circuit 18, 89, the excitation drive means b20 receives the signal of the stop input of the blower switch 15 at step 87 to drive the excitation means 13 through the drive circuit 18, then proceeds to step 90, and the motor automatic drive means a24 causes the blower switch at step 87 to be operated. In response to the stop input signal of 15, the motor 4 is driven through the drive circuit 18, and step 91
Then, the predetermined time measuring means 21 starts the measurement of the predetermined time, and then proceeds to step 92. In step 92, the predetermined time when the measurement is started in step 91 is confirmed, and step 92 is repeated until a fixed time has elapsed. When a certain time has passed in step 92, the process proceeds to step 93,
The predetermined time measuring means 21 stops the measurement of the predetermined time started in step 91, and then proceeds to step 94, and the excitation driving means b20 receives the signal of the predetermined time measuring means 21 in step 93 and the excitation means through the drive circuit 18. 13 is stopped, and the routine proceeds to step 95, where the motor automatic drive means a24 receives the signal from the excitation drive means b20 at step 94 to stop the motor 4 through the drive circuit 18, and returns to step 85.

As described above, according to the ventilator of the fifth embodiment of the present invention, the cooking oil attached after cooking can be decomposed and vaporized at room temperature for a certain period of time after the use of the ventilator by the catalyst and the exciting means. , Decomposed and vaporized components (low carbon molecules,
It is possible to control the operation of the self-cleaning function of the ventilation device that discharges (carbon dioxide, water vapor) to the outside by the blower.

Next, a sixth embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG. The same parts as those in the first, second, third and fifth embodiments are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control section 16A is provided with a motor automatic drive means b25 for controlling the motor 4 of the blower switch 15 in addition to the motor drive means 17, and determines whether the blower switch 15 has been operated within a certain period of time. A blower switch operation judging means b26 for judging is provided, and the blower switch 15, the motor driving means 17, the excitation driving means b20, the motor automatic driving means b25, the predetermined time measuring means 21, and the blower switch operation judging means. The motor 4 and the excitation means 1 of the blower 5 by b26
3 is provided with a drive circuit 18 for driving 3.

With the above structure, in the control part of the ventilation device, the motor automatic drive means b25 is the motor drive means 17
A drive circuit for controlling the operation of the blower 5 in response to the signal of the stop input of the blower switch 15 in addition to driving and stopping the motor 4 through the drive circuit 18 in response to the signal of the operation of the blower switch 15 The motor 4 is driven through 18, and the motor automatic drive means b2
5 receives the signal from the excitation drive means b20 and stops the motor 4 through the drive circuit 18 that controls the operation of the blower 5. The blower switch operation determining means b26 sends a signal to the motor automatic drive means b25 when it determines that the blower switch 15 has been operated and input while the predetermined time measuring means 21 is measuring the predetermined time, and the motor automatic drive means. b2
The motor 5 stops the motor 4 through the drive circuit 18 that controls the operation of the blower 5.

As for the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 96, and if there is no input, step 96 is repeated until there is an input. When the operation input of the blower switch 15 is confirmed in step 96,
Proceeding to step 97, the motor driving means 17 makes step 9
In response to the signal of the operation input of the blower switch 15 of 6, the motor 4 is driven through the drive circuit 18, and the process proceeds to step 98. In step 98, the stop input of the blower switch 15 is confirmed. If there is no input, step 98 is entered until there is input.
repeat. When the stop input of the blower switch 15 is confirmed in step 98, the process proceeds to step 99, where the motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 98 to stop the motor 4 through the drive circuit 18, 100, the excitation drive means b20 receives the signal of the stop input of the blower switch 15 in step 98 to drive the excitation means 13 through the drive circuit 18, then moves to step 101, and the motor automatic drive means b25 drives the blower switch in step 98. In response to the stop input signal of 15, the motor 4 is driven through the drive circuit 18, the process proceeds to step 102, the predetermined time measuring means 21 starts the measurement of the predetermined time, the process proceeds to step 103, and the blower switch operation determining means b26 is started. Blower switch 1 within a fixed time
5. Start judgment whether 5 is operated or not, and step 104
Move to In step 104, the predetermined time when the measurement is started in step 102 is confirmed, and if the predetermined time has not elapsed, the process proceeds to step 105 and the blower switch 15
If the operation input is confirmed and there is no operation input, the process returns to step 104. If there is an operation input for the blower switch 15 in step 105, the process proceeds to step 106, in which the motor automatic drive means b25 receives the signal from the blower switch operation determination means b26 to stop the motor 4 through the drive circuit 18, and then proceeds to step 107. The motor drive means 17 is step 105.
The motor 4 is driven through the drive circuit 18 in response to the signal of the operation input of the blower switch 15 in step 108, the process proceeds to step 108, and the predetermined time measuring means 21 resets the measurement of the predetermined time started in step 102, and step 1
In step 09, the excitation driving means b20 receives the signal from the predetermined time measuring means 21 in step 108, stops the excitation means 13 through the drive circuit 18, and returns to step 98.

If the predetermined time has elapsed in step 104, the process proceeds to step 110 and the predetermined time measuring means 2
1 stops the measurement of the predetermined time started in step 102 and moves to step 111, and the excitation drive means b20 receives the signal of the predetermined time measurement means 21 of step 110 and stops the excitation means 13 through the drive circuit 18. , Step 112, motor automatic drive means b25
Receives the signal from the excitation drive means b20 in step 111 and stops the motor 4 through the drive circuit 18,
Return to 6.

As described above, according to the ventilator of the sixth embodiment of the present invention, the cooking oil adhering after cooking can be decomposed and vaporized at room temperature for a certain period of time after the use of the ventilator by the catalyst and the exciting means. , If cooking equipment is decomposed and vaporized and a ventilation device is used within a fixed time, cooking oil can be decomposed and vaporized again for a fixed time, and decomposed and vaporized components (low carbon molecules, carbon dioxide, steam) It is possible to control the operation of the self-cleaning function of the ventilation device for discharging the air to the outside by the blower.

Next, the seventh embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG. The same parts as those in the first, second, third, fourth and fifth embodiments are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control unit 16A has a blower switch 15, a motor driving means 17, an excitation driving means b20, a motor automatic driving means b25, a predetermined time measuring means 21, and a blower switch operation judging means. A drive circuit 18 for driving the motor 4 and the excitation means 13 of the blower 5 by means of b26 and the remaining time storage means 23 is provided.

With the above-described structure, the operation of the ventilation device confirms the operation input of the blower switch 15 in step 113, and if there is no input, repeats step 113 until there is an input. When the operation input of the blower switch 15 is confirmed in step 113, the process proceeds to step 114, in which the motor driving means 17 receives the signal of the operation input of the blower switch 15 in step 113 to drive the motor 4 through the drive circuit 18, and Move to 115. In step 115, the stop input of the blower switch 15 is confirmed, and if there is no input, step 115 is repeated until there is input. Step 115
When the stop input of the blower switch 15 is confirmed in step S116, the process proceeds to step 116, and the motor drive unit 17 causes step S11.
In response to the signal of the stop input of the blower switch 15 of No. 5, the motor 4 is stopped through the drive circuit 18, and Step 117
The excitation driving means b20 receives the signal of the stop input of the blower switch 15 in step 115 to drive the excitation means 13 through the drive circuit 18, and moves to step 118, and the motor automatic driving means b25 drives the blower switch 15 in step 115. Drive circuit 18 in response to the stop input signal
Drive the motor 4 through and move to step 119.
The predetermined time measuring means 21 starts measurement of a predetermined time, and then proceeds to step 120, and the blower switch operation determining means b26 starts determining whether or not the blower switch 15 is operated within a certain time, and then proceeds to step 121 to leave the rest. The time storage means 23 starts storing the remaining time after subtracting the predetermined time when the measurement was started in step 119 from the fixed time, and then proceeds to step 122. Step 1
In step 22, the predetermined time when the measurement is started in step 119 is confirmed, and if the fixed time has not elapsed, the process proceeds to step 123, the operation of the blower switch 15 is confirmed, and if there is no operation input, the process returns to step 122. Step 12
If there is an operation input of the blower switch 15 in 3, the motor automatic drive means b25 receives the signal of the blower switch operation determination means b26 to stop the motor 4 through the drive circuit 18, and moves to step 125. The drive means 17 is the blower switch 1 of step 123
The motor 4 is driven through the drive circuit 18 in response to the signal of the driving input of No. 5, and the process proceeds to step 126, and the remaining time storage means 23 subtracts the remaining time obtained by subtracting the predetermined time when the measurement was started in step 119 from the fixed time. Remember
The new fixed time is set as the drive time of the excitation means 13, and the routine proceeds to step 127. In step 127, blower switch 15
If the stop input is confirmed, and if there is no input, step 127 is repeated until there is input. When the stop input of the blower switch 15 is confirmed in step 127, step 128
The motor drive means 17 receives the stop input signal of the blower switch 15 at step 127 to stop the motor 4 through the drive circuit 18, and the process proceeds to step 129. The motor automatic drive means b25 moves the blower switch 15 at step 127. Upon receiving the stop input signal, the drive circuit 18 drives the motor 4 and the process returns to step 122.

If the predetermined time has elapsed in step 122, the process proceeds to step 130 and the predetermined time measuring means 2
1 stops the measurement of the predetermined time started in step 119 and moves to step 131, and the excitation drive means b20 receives the signal of the predetermined time measurement means 21 of step 130 and stops the excitation means 13 through the drive circuit 18. , Step 132, motor automatic drive means b25
Receives the signal from the excitation drive means b20 in step 131 and stops the motor 4 through the drive circuit 18,
Return to 13.

As described above, according to the ventilator of the seventh embodiment of the present invention, once the ventilator is used, the cooking oil adhering after cooking is decomposed by the catalyst and the exciting means at room temperature until a certain period of time elapses. The self-cleaning function of the ventilator, which can be vaporized and decomposed and vaporized components (low carbon molecules, carbon dioxide, water vapor) to be discharged outside by a blower, can be controlled.

Next, an eighth embodiment of the present invention will be described with reference to FIG.
6, and FIG. 17 and FIG. As shown in the figure, the intake port 2 is provided with an intake-side carbon dioxide amount detecting element 27 whose conductivity characteristic changes in response to the carbon dioxide amount of the air sucked in from the intake port 2, and the exhaust port 7 is provided with the blower 1
A blower-side carbon dioxide amount detecting element 28, whose conductivity characteristic changes in response to the carbon dioxide amount of the air discharged from No. 5, is provided. In response to the input of the blower switch 15, the blower 5
16 for controlling the motor 4 and the excitation means 13 of the
B is provided, the excitation drive means c29 for controlling the operation of the excitation means 13 is provided in the control unit 16B, and the intake side carbon dioxide amount detection means 30 for detecting the input of the intake side carbon dioxide amount detection element 27 is provided. A blower side carbon dioxide amount detecting means 31 for detecting an input of the blower side carbon dioxide amount detecting element 28 is provided, and the intake port side carbon dioxide amount detecting means 30.
Is provided with a carbon dioxide amount calculating means 32 for comparing and judging the intake side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means 31 and the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means 31, and the blower switch 15 and the motor driving means 17 are provided. The excitation drive means c29, the motor automatic drive means a24, the intake side carbon dioxide amount detecting element 27, the intake side carbon dioxide amount detecting means 30, and the blower side carbon dioxide amount detecting element 28. , The blower side carbon dioxide amount detecting means 3
1 and the blower 5 by the carbon dioxide amount calculating means 32
A drive circuit 18 for driving the motor 4 and the excitation means 13 is provided.

With the above-mentioned structure, in the control portion of the ventilation device, the excitation drive means c29 drives the excitation means 13 through the drive circuit 18 which receives the signal of the stop input of the blower switch 15 and controls the operation of the excitation means 13. The motor automatic driving means a24 outputs a signal for a stop input of the blower switch 15 in addition to a signal for driving and stopping the blower switch 15 by the motor driving means 17 to drive and stop the motor 4 through the drive circuit 18. The motor 4 is driven through the drive circuit 18 that receives and controls the operation of the blower 5, and the motor automatic drive means a24 receives the signal from the excitation drive means c29 and drives the motor 4 through the drive circuit 18 that controls the operation of the blower 5. Stop. The intake port side carbon dioxide amount detecting means 30 detects the input of the intake side carbon dioxide amount detecting element 27, and the blower side carbon dioxide amount detecting means 31 detects the input of the blower side carbon dioxide amount detecting element 28. The carbon dioxide amount computing means 32 compares and judges the inlet side carbon dioxide amount detected by the inlet side carbon dioxide amount detecting means 30 and the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means 31. The excitation drive means c
29 receives the signal from the carbon dioxide amount calculating means 32 and stops the exciting means 13 through the drive circuit 18 which controls the operation of the exciting means 13.

As for the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 133, and if there is no input, step 133 is repeated until there is input. When the operation input of the blower switch 15 is confirmed in step 133, the process proceeds to step 134, and the motor driving means 17 receives the signal of the operation input of the blower switch 15 in step 133 to drive the motor 4 through the drive circuit 18, and Move to 135. Blower switch 15 in step 135
The stop input is confirmed, and if there is no input, step 135 is repeated until there is input. When the stop input of the blower switch 15 is confirmed in step 135, step 136
The motor drive means 17 receives the signal of the stop input of the blower switch 15 at step 135 to stop the motor 4 through the drive circuit 18, and the process proceeds to step 137. The excitation drive means c29 causes the blower switch 1 at step 135.
In response to the signal of the stop input of No. 5, the excitation means 13 is driven through the drive circuit 18, the process proceeds to step 138, and the motor automatic drive means a24 causes the blower switch 1 of step 135.
In response to the stop input signal of No. 5, the motor 4 is driven through the drive circuit 18, and the routine proceeds to step 139, where the intake side carbon dioxide amount detecting means 30 detects the input of the intake side carbon dioxide amount detecting element 27 and the intake air is taken. The measurement of the amount of carbon dioxide on the mouth side is started, and the process proceeds to step 140, where the blower side carbon dioxide amount detecting means 31 is the blower side carbon dioxide amount detecting element 2.
The input of 8 is detected to start the measurement of the amount of carbon dioxide on the blower side, and the process proceeds to step 141, where the carbon dioxide amount calculation means 32 detects the intake side carbon dioxide amount detected by the intake side carbon dioxide amount detection means 30. The comparison confirmation of the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means 31 is started, and the routine proceeds to step 142. In step 142, the amount of carbon dioxide on the inlet side and the amount of carbon dioxide on the blower side are compared and confirmed, and step 142 is repeated until the amount of carbon dioxide on the blower side becomes equal to or less than the amount of carbon dioxide on the inlet side. Step 1
If the amount of carbon dioxide on the side of the blower becomes equal to or less than the amount of carbon dioxide on the side of the intake port at 42, the routine proceeds to step 143, and the excitation drive means c2.
9 receives the signal from the carbon dioxide amount calculation means 32, and stops the excitation means 13 through the drive circuit 18, and step 144
The automatic motor drive means a24 receives the signal from the excitation drive means c29 in step 143, stops the motor 4 through the drive circuit 18, and returns to step 133.

As described above, according to the ventilator of the eighth embodiment of the present invention, when the cooking oil adhering to the ventilator is decomposed and vaporized by the catalyst and the exciting means, it becomes low carbon molecules, carbon dioxide and water vapor, and the blower is used. The amount of carbon dioxide on the side becomes larger than the amount of carbon dioxide on the inlet side, and while the amount of carbon dioxide on the blower side is larger than the amount of carbon dioxide on the inlet side, the cooking oil adhering after using the ventilation device is activated by the catalyst and the excitation means. It can be decomposed and vaporized at room temperature, and the self-cleaning function of the ventilation device that discharges the decomposed and vaporized components (low carbon molecules, carbon dioxide, steam) to the outside by the blower can be controlled.

Next, a ninth embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG. The first and fifth
The same parts as those in the eighth embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in the figure, the control section 16B is provided with a motor automatic drive means b25 for controlling the motor 4 of the blower 15 in addition to the motor drive means 17, and the carbon dioxide amount calculation means 32 determines the carbon dioxide amount on the intake side. A blower switch input determination means 33 for determining whether the blower switch 15 has been operated while comparing the blower side carbon dioxide amounts is provided, and the blower switch 15, the motor drive means 17, and the excitation drive means c29 are provided. The motor automatic drive means b25
An inlet side carbon dioxide amount detecting element 27, an inlet side carbon dioxide amount detecting means 30, a blower side carbon dioxide amount detecting element 28, a blower side carbon dioxide amount detecting means 31, and the carbon dioxide amount calculating means. A drive circuit 18 for driving the motor 4 and the excitation means 13 of the blower 5 by means of the blower switch input determination means 32 and the blower switch input determination means 33 is provided.

With the above structure, in the control part of the ventilation device, the motor automatic drive means b25 is the motor drive means 17
A drive circuit for controlling the operation of the blower 5 in response to the signal of the stop input of the blower switch 15 in addition to driving and stopping the motor 4 through the drive circuit 18 in response to the signal of the operation of the blower switch 15 The motor 4 is driven through 18, and the motor automatic drive means b2
5 receives the signal from the excitation drive means c29 and stops the motor 4 through the drive circuit 18 which controls the operation of the blower 5. The blower switch input determining means 33 determines whether the blower switch 15 has been operated while the carbon dioxide amount calculating means 32 compares and confirms the intake side carbon dioxide amount and the blower side carbon dioxide amount, and the blower switch 15 When it is determined that the operation input has been performed, the motor automatic drive means b25 receives the signal from the blower switch input determination means 33 and stops the motor 4 through the drive circuit 18 that controls the operation of the blower 5.

In the operation of the ventilation device, the operation input of the blower switch 15 is confirmed in step 145, and if there is no input, step 145 is repeated until there is input. When the operation input of the blower switch 15 is confirmed in step 145, the process proceeds to step 146, and the motor drive means 17 receives the signal of the operation input of the blower switch 15 in step 145 to drive the motor 4 through the drive circuit 18, Move to 147. Blower switch 15 in step 147
If the stop input is confirmed, and if there is no input, step 147 is repeated until there is input. When the stop input of the blower switch 15 is confirmed in step 147, step 148
The motor drive means 17 receives the stop input signal of the blower switch 15 in step 147 to stop the motor 4 through the drive circuit 18, and the process proceeds to step 149. The excitation drive means c29 causes the blower switch 1 in step 147.
In response to the stop input signal of No. 5, the excitation means 13 is driven through the drive circuit 18, the process proceeds to step 150, and the motor automatic drive means b25 causes the blower switch 1 of step 147.
In response to the stop input signal of No. 5, the motor 4 is driven through the drive circuit 18, and the routine proceeds to step 151, where the intake port side carbon dioxide amount detecting means 30 detects the input of the intake port side carbon dioxide amount detecting element 27 and the intake air. The measurement of the amount of carbon dioxide on the mouth side is started, and the process proceeds to step 152, where the blower side carbon dioxide amount detecting means 31 is the blower side carbon dioxide amount detecting element 2.
The input of 8 is detected to start the measurement of the amount of carbon dioxide on the side of the blower, and the process proceeds to step 153, where the carbon dioxide amount calculating means 32 detects the amount of carbon dioxide on the inlet side detected by the means 30 for detecting carbon dioxide on the inlet side. The comparison check of the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detection means 31 is started, and the process proceeds to step 154, while the carbon dioxide amount calculation means 32 compares and confirms the carbon dioxide amount, the blower switch is input. The judging means 33 starts judging whether or not the blower switch 15 is operated, and then proceeds to step 155. In step 155, the intake side carbon dioxide amount started in step 153 and the blower side carbon dioxide amount are compared and confirmed. If the blower side carbon dioxide amount is larger than the intake side carbon dioxide amount, the process proceeds to step 156, and the blower switch is operated. Confirm the operation of 15, and if there is no operation input, step 15
Return to 5. If there is an operation input of the blower switch 15 in step 156, the process proceeds to step 157, the motor automatic drive means b25 receives the signal of the blower switch input determination means 33, stops the motor 4 through the drive circuit 18, and moves to step 158. The motor drive means 17 is step 15
In response to the signal of the operation input of the blower switch 15 of No. 6, the motor 4 is driven through the drive circuit 18, and step 159
Move to In step 159, the stop input of the blower switch 15 is confirmed, and if there is no input, step 159 is repeated until there is input. Blower switch 1 in step 159
When the stop input of 5 is confirmed, the process proceeds to step 160,
The motor driving means 17 receives the signal of the stop input of the blower switch 15 in step 159 to stop the motor 4 through the drive circuit 18, and moves to step 161, and the motor automatic driving means b25 causes the blower switch 15 in step 159.
In response to the stop input signal, the motor 4 is driven through the drive circuit 18, and the process returns to step 155.

If the blower side carbon dioxide amount becomes equal to or smaller than the intake port side carbon dioxide amount in step 155, step 1
62, the excitation drive means c29 receives the signal from the carbon dioxide amount calculation means 32, and the excitation means 1 is passed through the drive circuit 18.
3 is stopped, the process proceeds to step 163, and the motor automatic drive means b25 receives the signal from the excitation drive means c29 of step 162 and stops the motor 4 through the drive circuit 18,
Return to step 145.

As described above, according to the ventilator of the ninth embodiment of the present invention, when the cooking oil adhering to the ventilator is decomposed and vaporized by the catalyst and the exciting means, it becomes low carbon molecules, carbon dioxide and water vapor, and the blower is used. The amount of carbon dioxide on the side becomes larger than the amount of carbon dioxide on the inlet side, and while the amount of carbon dioxide on the blower side is larger than the amount of carbon dioxide on the inlet side, the cooking oil adhering after using the ventilation device is activated by the catalyst and the excitation means. It can be decomposed and vaporized at room temperature, and decomposed and vaporized components (low carbon molecules, carbon dioxide, steam) can be discharged outside by a blower, and cooking oil can be decomposed and vaporized by a catalyst and excitation means. The self-cleaning function of the ventilation device can be controlled so that the ventilation device can be used while the ventilation device is in use.

[0067]

As is apparent from the above embodiments, according to the present invention, a self-cleaning function of decomposing and vaporizing cooking oil adhering after cooking at room temperature is provided, and operation control of this self-cleaning function is possible. It is possible to provide a ventilation device capable of performing.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view of a ventilation device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing the control unit.

[Figure 3] Flow chart of the program

FIG. 4 is a block diagram showing a control unit of the ventilation device according to the second embodiment.

FIG. 5 is a flowchart of the program.

FIG. 6 is a block diagram showing a control unit of the ventilation device according to the third embodiment.

[Figure 7] Flow chart of the program

FIG. 8 is a block diagram showing a control unit of the ventilation device according to the fourth embodiment.

[Figure 9] Flow chart of the program

FIG. 10 is a block diagram showing a control unit of the ventilation device according to the fifth embodiment.

FIG. 11 is a flowchart of the program.

FIG. 12 is a block diagram showing a control unit of the ventilation device of the sixth embodiment.

FIG. 13 is a flowchart of the program

FIG. 14 is a block diagram showing a control unit of the ventilation device according to the seventh embodiment.

FIG. 15 is a flowchart of the program.

FIG. 16 is a vertical cross-sectional view of the ventilation device of the eighth embodiment.

FIG. 17 is a block diagram showing the control unit.

FIG. 18 is a flowchart of the program

FIG. 19 is a block diagram showing a control unit of the ventilation device of the ninth embodiment.

FIG. 20: Flow chart of the program

FIG. 21 is a vertical sectional view of a conventional ventilation device.

[Explanation of symbols]

 1 hood body 4 motor 4a fan 5 blower 7 exhaust port 9 filter 12 catalyst 13 excitation means 15 blower switch 16A control section 16B control section 17 motor drive means 18 drive circuit 19 excitation drive means a 20 excitation drive means b 21 predetermined time measurement means 22 Blower switch operation determination means a 23 Remaining time storage means 24 Motor automatic drive means a 25 Motor automatic drive means b 26 Blower switch operation determination means b 27 Intake port side carbon dioxide amount detection element 28 Blower side carbon dioxide amount detection element 29 Excitation Drive means c 30 Intake port side carbon dioxide amount detection means 31 Blower side carbon dioxide amount detection means 32 Carbon dioxide amount calculation means 33 Blower switch input determination means

Claims (9)

[Claims] 1. A blower having a motor and a fan for exhausting indoor air to the outside is provided, a filter is provided inside a hood body that supports the blower and has an exhaust port, and inside the hood body and the filter surface. A catalyst is provided in the device, and excitation means for exciting and activating the catalyst, a blower switch for driving and stopping the motor, a motor driving means for controlling the motor, and an excitation driving means for controlling the exciting means are provided. A ventilation device provided with the blower switch and a drive circuit for driving the motor and the excitation means of the blower by the motor drive means and the excitation drive means. 2. A predetermined time measuring means for measuring the lapse of a predetermined time, a blower switch, a motor driving means, an excitation driving means, and a drive circuit for driving the motor and the exciting means of the blower by the predetermined time measuring means. The ventilation device according to claim 1. 3. A blower switch operation judging means for judging whether the blower switch has been operated within a certain period of time is provided, and the blower switch, the motor driving means, the excitation driving means, the predetermined time measuring means and the blower switch are provided. The ventilation device according to claim 1 or 2, further comprising a drive circuit that drives the motor of the blower and the excitation means by the operation determination means. 4. A remaining time storage means for deciding whether a blower switch has been operated within a certain period of time, and storing a remaining time obtained by subtracting a predetermined period from a certain period when the blower switch is operated. A blower switch, a motor drive means, an excitation drive means, a predetermined time measurement means, a blower switch operation determination means, and a drive circuit for driving the blower motor and the excitation means by the remaining time storage means. The ventilation device according to 1, 2, or 3. 5. An automatic motor drive means for controlling a blower motor is provided separately from the motor drive means, and a blower switch is provided,
The ventilation device according to claim 1 or 2, further comprising: a drive circuit for driving the motor and the excitation means of the blower by the motor drive means, the excitation drive means, the motor automatic drive means, and the predetermined time measuring means. 6. A blower switch, a motor drive means, an excitation drive means, a motor automatic drive means, and a drive circuit for driving the blower motor and the excitation means by a predetermined time measuring means and a blower switch operation determination means. The ventilation device according to claim 1, 2, 3, or 5. 7. A blower switch, a motor drive means, an excitation drive means, a motor automatic drive means, a predetermined time measurement means, a blower switch operation determination means and a remaining time storage means to drive the blower motor and the excitation means. The ventilator according to claim 1, 2, 3, 4 or 5, further comprising a drive circuit for controlling the ventilation. 8. An intake port side carbon dioxide amount detecting element is provided at the intake port, an intake side carbon dioxide amount detecting means for detecting an input of the intake side carbon dioxide amount detecting element is provided, and a blower side carbon dioxide is provided at the exhaust port. A carbon amount detecting element is provided, and a blower side carbon dioxide amount detecting means for detecting an input of the blower side carbon dioxide amount detecting element is provided, and the intake side carbon dioxide amount detected by the intake side carbon dioxide amount detecting means and the above A carbon dioxide amount calculating means for comparing and judging the blower side carbon dioxide amount detected by the blower side carbon dioxide amount detecting means is provided, and a blower switch, a motor driving means, an excitation driving means, a motor automatic driving means, and the intake port Side carbon dioxide amount detecting element, the intake side carbon dioxide amount detecting means, the blower side carbon dioxide amount detecting element, the blower side carbon dioxide amount detecting means and the carbon dioxide. Claim the motor and excitation means of the blower is provided a driving circuit for driving the elementary charge calculation means 1
Or the ventilation device according to 5. 9. A blower switch input judging means for judging whether the blower switch has been operated while the carbon dioxide amount calculating means compares the intake side carbon dioxide amount and the blower side carbon dioxide amount, and the blower switch input means is provided. A motor driving means, an excitation driving means, a motor automatic driving means, an inlet side carbon dioxide amount detecting element, an inlet side carbon dioxide amount detecting means, a blower side carbon dioxide amount detecting element, and a blower side carbon dioxide. 9. The ventilator according to claim 1, 5 or 8, further comprising a carbon amount detecting means, and a drive circuit for driving the motor and the exciting means of the blower by the carbon dioxide amount calculating means and the blower switch input determining means.