JP3375873B2 - Control device for constant ventilation device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a constant ventilation device, which constantly ventilates a house with high airtightness at a low air volume and controls the operation of the constant ventilation device depending on the environment of a ventilation target area.

[0002]

2. Description of the Related Art In recent years, it has become necessary to constantly ventilate a house with a high degree of air tightness at a low air flow rate, constantly maintain a comfortable environment in the room by performing ventilation at a low air flow rate, and respond to the environment when the environment changes. There is an increasing demand to be able to control the operation of the ventilation system at all times as much as possible.

Conventionally, as an example of this type of ventilation fan, the one described in Japanese Patent Application Laid-Open No. 9-79623 has been known. The configuration will be described below with reference to FIGS. 15 and 16.

As shown in the figure, a fan motor 104 is provided inside a main body 103 of a ventilation fan attached to a ventilation opening 102 formed in a wall 101, and a constant low speed rotation means 105 for constantly rotating the fan motor 104 at a low speed. Environment detecting means 10 comprising an infrared sensor for detecting that the environment of the room has changed due to temperature, humidity, presence of people, etc.
6 is provided, and the fan motor 104 operates at high speed after detection by the high-speed variable means 107 for changing the rotation of the fan motor 104 from low speed to high speed and the environment detection means 106 while the detection signal from the environment detection means 106 is being sent. When the environment detection means 106 detects a change in the environment after a lapse of a predetermined time, the high speed operation is continued again for a predetermined time, and after the lapse of the predetermined time, the environment detection means is started. If the control unit 106 does not detect a change in the environment, the control unit 109 including the calculation unit 108 that calculates the remaining time of the high speed operation is provided so that the low speed rotation unit 105 always performs the low speed rotation.

[0005]

In such a conventional ventilating fan, the ventilating fan, which is constantly rotating at low speed by the low speed rotating means 105, is operated at high speed when the environment detecting means 106 detects temperature, humidity and presence of a person. Since it switches, if the ventilation fan is operated strongly when a person is detected, it feels cold due to the strong airflow by the ventilation fan at low temperatures such as in winter, especially when it is installed in the toilet, the effect is remarkable. was there.

The present invention solves the above problems. When the ventilation is always low, when a person is present in the ventilation area, it is operated at a low air volume so that the person does not feel cold. An object of the present invention is to provide a control device for a constant ventilation device that improves the environment by operating for a predetermined time with an air volume.

[0007]

In a controller for a constant ventilation device of the present invention, a constant ventilation device capable of varying the air flow rate and constantly performing ventilation operation at a predetermined air flow rate, and a ventilation target area of the constant ventilation device. A person detecting means for detecting the presence of a person,
A person is detected by the person detecting means, and while the detection of the person is continued, the continuous ventilation device continues the continuous ventilation operation. A large air volume operating means for operating with a large air volume is provided, and a control means is provided, and after being operated for a predetermined time by the large air volume operating means, it is constantly switched to ventilation operation, and
Being in a ventilation target area that is detected by human detection means
Large air volume operation of the continuous ventilation system based on the occupancy time of a person
The occupancy time calculation means for calculating time is provided, and the control means is provided.
Is the predetermined time calculated by the occupancy time calculating means,
It is configured such that the ventilation device is always operated by the large air volume operation means .

According to the present invention, the ventilation is always performed at a low air flow rate, and when a person exists in the ventilation area, the air volume is operated so that the person does not feel cold, and when there is no person, the air volume is increased. To improve the environment and keep people occupied
The time for large air volume operation is set based on the time, and the ventilation target
Generates odors and humidity that worsen the environment generated in the area
Accordingly, it is possible to provide a control device for the constant ventilation device that can efficiently discharge the air.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention relates to a continuous ventilation device capable of varying the air flow rate and constantly performing a ventilation operation at a predetermined air flow rate, and a person in a ventilation target area of this continuous ventilation device. The person detecting means for detecting the presence, and the person detecting means detects the person, and while the person detecting is continued, the continuous ventilation device continues the continuous ventilation operation. And a control means provided with a large air volume operating means for operating the device with a larger air volume than during constant ventilation,
After being operated for a predetermined time by the large air volume operation means, it is switched to the continuous ventilation operation and detected by the human detection means.
When people who are in a known ventilation area
A room that constantly calculates the large air volume operating time of the ventilation system based on
A time calculation means is provided, and the control means controls the time in the room.
For a predetermined time calculated by the calculation means,
It is configured as a control device of a continuous ventilation device that operates the ventilation device at a time, and while a person is present in the ventilation area, the continuous ventilation device continues to ventilate at a low air volume and the person does not exist. With the large air flow operating means, the air flow will be operated for a predetermined time with a large air flow, and the ventilation flow with a large air flow will not come into contact with the person, and it will be possible to prevent the person from feeling cold in the winter and the like. since it is operated a predetermined time large volume is deteriorated environment by the presence of a person have a effect that quickly is improved, also, human occupancy time
The time of large air volume operation is set based on
Depending on the amount of odors and moisture generated that adversely affect the environment
To have the effect that it is possible to efficiently discharged Te.

FIG. 1 shows an embodiment of the present invention.
~ It demonstrates, referring to FIG. (Embodiment 1) As shown in FIG. 1 and FIG. 2, a person detecting means 2 for detecting the presence of a person in a ventilation target area of a constant ventilation device 1 in which the air volume can be varied and which is constantly ventilated at a predetermined air volume. The human detection means 2 detects a person, and the continuous ventilation device 1 continues the continuous ventilation operation while the detection of the person is continued, and when the detection of the person is stopped, the continuous ventilation device 1 is operated. Large air volume operation means 3 that operates with a larger air volume than during constant ventilation
The control means 4 provided with is provided, and after the large air volume operation means 3 has been operated for a predetermined time, it is switched to the continuous ventilation operation.

The operation of the above structure will be described with reference to FIG. In step 5, the constant ventilation device 1 is constantly operated with a predetermined low air volume, and in step 6, the person detecting means 2 detects whether or not a person is present in the ventilation target area. When no person is present, the person detecting means is again activated. When the presence of a person is detected by detecting the presence of a person by 2, the person detecting means 2 detects whether or not there is a person in the ventilation area while continuing the continuous ventilation operation in step 7, and the presence of the person is detected. During this time, the ventilation operation is constantly continued, and when the presence of a person is no longer detected, the large air flow operating means 3 operates at a large air flow in step 8, and after a predetermined time elapses in step 9, the process returns to step 5 and step 9 If a person is detected by the person detecting means 2 in step 10 before the predetermined time has passed, the operation of returning to step 7 is repeated.

As described above, according to the control device for the constant ventilation device of the first embodiment of the present invention, while the person is detected in the ventilation area of the constant ventilation device 1 which is constantly ventilated at the predetermined air volume, The ventilation operation continues, and if there is no person detected, it will be operated with a large amount of air for a predetermined time, so it will not be operated with a large amount of air while a person is present, and the airflow due to large air volume ventilation will contact the person. It is possible to improve the environment by eliminating ventilation, keeping people from feeling cold, and continuing ventilation operation at all times.

(Embodiment 2) As shown in FIGS. 3 and 4, the size of the continuous ventilation device 1 is determined based on the presence time of the person in the ventilation target area detected by the person detecting means 2. The in-room time calculating means 11 for calculating the air volume operating time is provided, and the control means 4A for operating the large air volume operating means 3 for the predetermined time calculated by the in-room time calculating means 11 is provided.

The operation of the above structure will be described with reference to FIG. In step 12, the constant ventilation device 1 is constantly operated at a predetermined low air volume, and in step 13, the human detection means 2 detects whether or not a person is present in the ventilation target area.
When no person is present, the presence of the person is detected again by the person detecting means 2 and the presence of the person is detected. In step 14, the person is always present in the ventilation target area based on the staying time of the person. When the occupancy time calculation means 11 for calculating the large air volume operation time of the ventilation device 1 is turned on and the person detection means 2 no longer detects a person in step 15, the occupancy time calculation means 11 calculates the large air volume operation time. In step 16, the constant ventilation device 1 is operated by the large air volume operating means 3 with a large air volume, and after the predetermined time calculated in step 17 has elapsed, the process returns to step 12 to perform continuous ventilation operation, and in step 17, the predetermined time has elapsed. Person detection means 2 in step 18 while not
When a person is detected by, the operation of returning to step 14 is repeated.

As described above, according to the control device for the constant ventilation device of the second embodiment of the present invention, when the person is no longer detected based on the time during which the person is in the ventilation area, the operation is performed with a large air volume. Therefore, the pollution of the ventilation area, which is different depending on the length of time the person stays in the room, can be efficiently discharged in a short time.

(Third Embodiment) As shown in FIGS. 5 and 6, an air volume determining means 19 for determining the air volume based on the large air volume operating time calculated by the in-room time calculating means 11A is provided.
The control means 4B is provided so that the determined air volume operation means 20 is operated by the air volume determined by the air volume determination means 19 for a predetermined time.

The operation of the above structure will be described with reference to FIG. In step 21, the constant ventilation device 1 is constantly operated at a predetermined low air volume, and in step 22, the human detection means 2 detects whether or not a person is present in the ventilation target area.
When the presence of a person is detected by detecting the presence of the person again by the person detecting means 2 when no person is present, in step 23, it is always based on the presence time of the person present in the ventilation target area. When the occupancy time calculation means 11A for calculating the large air volume operation time of the ventilation device 1 is turned on and the human detection means 2 no longer detects a person in step 24, step 25
In step 2, the air volume determination means 19 determines the air volume based on the large air volume operation time calculated by the in-room time calculation means 11A.
At 6 the constant ventilation device 1 is operated with the air volume determined by the determined air volume operating means 20, and after a lapse of a predetermined time at step 27, the routine returns to step 21 for constant ventilation operation, and at step 2
If a person is detected by the person detecting means 2 in step 28 while the predetermined time has not elapsed in step 7, the process returns to step 23 and the operation is repeated.

As described above, according to the control device for the constant ventilation device of the third embodiment of the present invention, the air volume is determined based on the time during which a person is present in the ventilation target area, so that the presence of the person in the room is determined. When the air conditioner disappears, the air volume is operated in proportion to the time the person stays in the room, and the contaminated air in the ventilation area contaminated by the person staying in the room can be efficiently discharged.

(Embodiment 4) As shown in FIGS. 7 and 8, the odor of the ventilation target area of the constant ventilation device 1 is detected, and the large air volume operation time of the constant ventilation device 1 is determined based on the detected odor concentration. The odor concentration detecting means 29 to be set is provided, and the control means 4C for operating the large air flow operating means 3 for the predetermined time set by the odor concentration detecting means 29 is provided.

The operation of the above structure will be described with reference to FIG. In step 30, the constant ventilation device 1 is constantly operated with a predetermined low air volume, and in step 31, the person detecting means 2 detects whether or not a person is present in the ventilation target area. When no person is present, the person detecting means 2 is again detected. When the presence of a person is detected by detecting the presence of a person, the odor concentration in the ventilation target area is detected in step 32 by the odor concentration detecting means 2
9 and when the human detection means 2 no longer detects a person in step 33, the large air volume operating time of the constant ventilation device 1 is set by the odor concentration detection means 29 based on the detected odor concentration, and in step 34. The large air flow rate operation means 3 is operated based on the set large air flow rate operation time, and after a predetermined time has elapsed in step 35, the routine returns to step 30 to perform continuous ventilation operation, and in step 35, while the predetermined time has not elapsed, step 3 continues.
When a person is detected by the person detecting means 2 in step 6, step 32
The operation is returned to and repeated.

As described above, according to the control device for the constant ventilation device of the fourth embodiment of the present invention, operation is performed with a large air flow for a predetermined time set by the odor concentration detecting means 29 for detecting the odor generated in the ventilation area. Therefore, since the operation time of the large air volume is adjusted according to the odor concentration, the odor can be efficiently discharged.

(Embodiment 5) As shown in FIGS. 9 and 10, an air volume determining means 19A for determining the air volume based on the large air volume operating time set by the odor concentration detecting means 29 is provided, and the air volume determining means 19A is used. A configuration is provided in which a control unit 4D that operates for a predetermined time by the determined air volume operation unit 20A that is operated by the determined air volume is provided.

The operation of the above configuration will be described with reference to the flowchart of FIG. In step 37, the continuous ventilation device 1 is constantly operated with a predetermined low air volume, and in step 38
When the presence of a person is detected by detecting the presence of a person in the ventilation target area by the person detecting means 2 and detecting the presence of the person again by the person detecting means 2 when the person is not present. When the odor concentration in the ventilation target area is detected by the odor concentration detecting means 29 in step 39 and the human detection by the person detecting means 2 is stopped in step 40, the large air volume operation of the continuous ventilation device 1 is performed based on the detected odor concentration. The time is set by the odor concentration detection means 29, the air volume is determined by the air volume determination means 19A based on the large air volume operation time set at step 41, and the determined air volume operation means 20A operates at the air volume determined at step 42. In step 43, after a lapse of a predetermined time, the routine returns to step 37 and the ventilation operation is continuously performed. Operating return when a person is detected in step 39 is repeatedly performed.

As described above, according to the controller for the constant ventilation device of the fifth embodiment of the present invention, the air volume is determined based on the large air volume operation time set by the odor concentration detecting means 29 for detecting the odor generated in the ventilation area. Is determined and the operation is performed with the determined air flow rate, the operation is performed with a large air flow rate according to the generated odor concentration, and the odor can be discharged in a short time.

(Embodiment 6) As shown in FIGS. 11 and 12, the humidity of the ventilation area of the constant ventilation device 1 is detected, and the large air volume operation time of the constant ventilation device 1 is determined based on the detected humidity. The humidity detecting means 45 for setting is provided, and the control means 4E for operating the large air volume operating means 3 for the predetermined time set by the humidity detecting means 45 is provided.

The operation of the above structure will be described with reference to FIG. In step 46, the constant ventilation device 1 is constantly operated with a predetermined low air volume, and in step 47, the person detecting means 2 detects whether or not a person is present in the ventilation target area. When no person is present, the person detecting means is again activated. When the presence of a person is detected by detecting the presence of a person by means of 2, the humidity of the ventilation target area is detected by the humidity detecting means 45 in step 48, and the detection of the person by the person detecting means 2 is stopped in step 49. The humidity detection means 45 sets the large air volume operating time of the constant ventilation device 1 based on the detected humidity, and the large air volume operating means 3 operates the large air volume operating means 3 based on the large air volume operating time set in step 50. After a predetermined time has elapsed, the routine returns to step 46 and the ventilation operation is continuously performed. If the person detecting means 2 detects a person in step 52 while the predetermined time has not elapsed in step 51, the step is started. Operation returns to the flop 48 is repeatedly performed.

As described above, according to the control device for the constant ventilation device of the sixth embodiment of the present invention, operation is performed with a large amount of air for a predetermined time set by the humidity detecting means 45 for detecting the humidity generated in the ventilation target area. Therefore, the operating time of the large air volume is adjusted according to the humidity, and the humidity can be efficiently discharged.

(Embodiment 7) As shown in FIGS. 13 and 14, an air volume determining means 19B for determining the air volume based on the large air volume operating time set by the humidity detecting means 45 is provided.
A configuration is provided in which a control unit 4F is provided that operates the determined air volume operation unit 20B that is operated by the air volume determined by the air volume determination unit 19B for a predetermined time.

The operation of the above configuration will be described with reference to the flowchart of FIG. In step 53, the continuous ventilation device 1 is constantly operated with a predetermined low air volume, and in step 5
In 4, the human detection means 2 detects whether or not a person is present in the ventilation target area. When the person is not present, the human detection means 2 detects the presence of a person again to detect the presence of the person. Then, in step 55, the humidity of the ventilation area is detected by the humidity detecting means 45, and when the human detecting means 2 stops detecting the person in step 56, the large air volume operation time of the constant ventilation device 1 is based on the detected humidity. Is set by the humidity detection means 45, the air volume is determined by the air volume determination means 19B based on the large air volume operation time set at step 57, and the determined air volume operation means 20B operates at the air volume determined at step 58. At step 59, after a lapse of a predetermined time, the routine returns to step 53, and the ventilation operation is always performed. Is the operation returns to step 55 is repeated.

As described above, according to the controller for the constant ventilation device of the seventh embodiment of the present invention, the air volume is determined based on the large air volume operation time set by the humidity detecting means 45 for detecting the humidity generated in the ventilation target area. Since it is determined and operated with the determined air volume, it can be operated with a large air volume according to the generated humidity, and the moisture can be discharged in a short time.

[0031]

As is apparent from the above embodiments,
According to the present invention, it is possible to change the air volume and to constantly perform ventilation operation at a predetermined air volume, a person detecting means for detecting the presence of a person in the ventilation target area of the constant ventilation apparatus, and this person detecting means. While the person is detected and the person detection is continued, the constant ventilation device continues the constant ventilation operation, and when the detection of the person is stopped, the constant ventilation device is operated with a larger air volume than during the constant ventilation. It is provided with a control means provided with a large air volume operation, and after being operated for a predetermined time by the large air volume operation means, it is switched to a continuous ventilation operation and the human detection means is provided.
The presence of a person in the ventilation target area that is detected by
Calculate the large air volume operation time of the constant ventilation system based on time
And a control means for controlling the occupancy time.
For a predetermined time calculated by the time calculation means, the large air volume driver
Since the ventilator is always operated in stages, it operates with a low airflow even when people are present in the ventilation area, does not feel cold in winter, and also emits odors generated by high temperatures in summer Is continued, and when there are no more people, driving with a large air volume improves the environment
In addition, the time of large air volume operation based on the time the person is in the room
A odor that is set and deteriorates the environment generated in the ventilation area
Air and humidity can be efficiently discharged according to the amount generated.
It is possible to provide a control device for a constant ventilation device.

[0032]

[0033]

Further, the odor concentration detecting means for detecting the odor in the ventilation target area of the constant ventilation device and setting the large air volume operation time of the constant ventilation device based on the detected odor concentration, and the odor concentration detecting means. Since the control means for operating the large air flow operating means for the predetermined time is provided, the operating time of the large air flow is adjusted according to the odor concentration, and the odor can be efficiently discharged.

[0035]

Further, a humidity detecting means for detecting the humidity of a ventilation target area of the constant ventilation device and setting a large air volume operation time of the constant ventilation device on the basis of the detected humidity, and a predetermined value set by the humidity detecting means. Since the control means for operating the time and the large air volume operation means is provided, the large air volume operation time is adjusted according to the humidity, and the moisture can be efficiently discharged from the ventilation target area to prevent dew condensation.

[0037]

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a control device for a constant ventilation device according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the control device of the constant ventilation device.

FIG. 3 is a block diagram showing a configuration of a control device for a constant ventilation device according to a second embodiment of the present invention.

FIG. 4 is a flowchart showing the operation of the control device of the constant ventilation device.

FIG. 5 is a block diagram showing a configuration of a control device for a constant ventilation device according to a third embodiment of the present invention.

FIG. 6 is a flowchart showing the operation of the control device of the constant ventilation device.

FIG. 7 is a block diagram showing a configuration of a control device for a constant ventilation device according to a fourth embodiment of the present invention.

FIG. 8 is a flowchart showing the operation of the control device of the constant ventilation device.

FIG. 9 is a block diagram showing a configuration of a control device for a constant ventilation device according to a fifth embodiment of the present invention.

FIG. 10 is a flowchart showing the operation of the control device of the constant ventilation device.

FIG. 11 is a block diagram showing a configuration of a control device for a constant ventilation device according to a sixth embodiment of the present invention.

FIG. 12 is a flowchart showing the operation of the control device for the constant ventilation device.

FIG. 13 is a block diagram showing a configuration of a control device for a constant ventilation device according to a seventh embodiment of the present invention.

FIG. 14 is a flowchart showing the operation of the control device for the constant ventilation device.

FIG. 15 is a sectional view showing the structure of a conventional ventilation fan.

FIG. 16 is a cross-sectional view showing a configuration of the ventilation fan in an installed state.

[Explanation of symbols] 1 Continuous ventilation 2 person detection means 3 Large air volume operation means 4 Control means 4A control means 4B control means 4C control means 4D control means 4E control means 4F control means 11 Occupancy time calculation means 11A Staying time calculation means 19 Air volume determination means 19A Air volume determination means 19B Air volume determination means 20 Determined air volume operation means 20A Determined air volume operation means 20B Determined air volume operation means 29 Odor concentration detection means 45 Humidity detection means

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) F24F 11/02 F24F 7/007

Claims (3)

(57) [Claims] 1. A continuous ventilation device capable of varying the air flow rate and constantly performing ventilation operation at a predetermined air flow rate, a person detecting means for detecting the presence of a person in a ventilation target area of the constant ventilation device, and the person detecting means. While the person is detected and the person detection is continued, the constant ventilation device continues the constant ventilation operation, and when the detection of the person is stopped, the constant ventilation device is operated with a larger air volume than during the constant ventilation. The large air flow rate operation means is provided with a control means, and after the air flow rate operation means has been operated for a predetermined time, the ventilation mode is switched to the continuous ventilation operation and the human detection hand.
For those who are in the ventilation area detected by the corrugation
Large air volume operation time of constant ventilation system based on time spent in room
A occupancy time calculation means is provided, and the control means is
For a predetermined time calculated by the occupancy time calculation means, the large air volume
A control device for a constant ventilation device that is configured to operate the constant ventilation device by means of a rolling mechanism . 2. The air flow rate can be varied and constantly changed at a predetermined air flow rate.
Air-operated continuous ventilation system and ventilation of this continuous ventilation system
Person detection means to detect the presence of people in the target area and this person
A person is detected by the detection means, and detection of the person continues.
During the period, the constant ventilation device continues the continuous ventilation operation,
If there is no detection, the operation of the constant ventilation device is
A control hand provided with a large air volume operation means for operating with a larger air volume
It has a step and is operated for a predetermined time by the large air flow operating means.
The switch to continuous ventilation operation and continuous ventilation
Detected odor in the ventilation target area of
The odor that sets the large air volume operation time of the continuous ventilation device based on
An air concentration detecting means is provided, and the control means controls the odor concentration.
For a predetermined time set by the detection means, the large air volume operation means
A control device for a continuous ventilation device configured to operate the continuous ventilation device. 3. The air flow rate can be varied and constantly changed at a predetermined air flow rate.
Air-operated continuous ventilation system and ventilation of this continuous ventilation system
Person detection means to detect the presence of people in the target area and this person
A person is detected by the detection means, and detection of the person continues.
During the period, the constant ventilation device continues the continuous ventilation operation,
If there is no detection, the operation of the constant ventilation device is
A control hand provided with a large air volume operation means for operating with a larger air volume
It has a step and is operated for a predetermined time by the large air flow operating means.
The switch to continuous ventilation operation and continuous ventilation
The humidity of the ventilation target area is detected and based on the detected humidity.
Based on this, the humidity test that sets the large air flow operating time of the continuous ventilation system
Intellectual means is provided, the control hand stage set by the humidity detecting means
Operate the ventilator continuously with a large air volume operation method for a specified time.
A control device for a continuous ventilation system configured to rotate.