JP2008170054A - Ventilation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation system capable of carrying out ventilation causing no accumulation of dust on a floor or the like, by providing a blow-out opening blowing out air. <P>SOLUTION: A ventilator comprised of a motor 14 rotating a fan 13, a damper 15 switching between circulation and ventilation, and a louver 16 having a vent hole provided to cover a suction opening, are provided in a body 4 interior. A human body detecting device 17 capable of detecting movements of the human body, and a light detecting device 18 judging the night and day are provided on the louver 16. In the human body detecting device 17, a dust device 19 is provided for detecting an amount of dust in the vent hole. A swing mechanism 21 is provided in a blow-out grille 10 such that a blowing direction of air can be changed. A control circuit 22 controlling the human body detecting device 17, the light detecting device 18, the dust device 19, a display means 20, the swing device 21, the motor 14, and the damper 15 is configured to be connected by a line. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a ventilation system that is attached to a building and blows away accumulated dust in a room and ventilates the blown-off dust so as to be sucked from a suction port.

  Conventionally, this type of ventilator has an air supply fan and an exhaust fan, forcibly exhausts the indoor air, and takes in the outside air to secure the ventilation air volume and exhausts the dirty air to the outside. (For example, refer to Patent Document 1).

  Hereinafter, the ventilator will be described.

The ventilator is installed on, for example, a wall surface. The ventilator is provided with an air supply fan and an exhaust fan. The ventilator can forcibly exhaust indoor air and take in outside air to secure a desired ventilation air volume. In the ventilation device, a formaldehyde detector that detects formaldehyde in the room, a first temperature detector that detects the temperature in the room, and a second temperature detector that detects the temperature outside the room are provided. The ventilation air volume is secured corresponding to the detected temperature difference detected by the first temperature detector and the second temperature detector and the value detected by the formaldehyde detecting means, and dirty air is exhausted to the outside of the room. It was a ventilation device.
JP 2005-147469 A

  In such a conventional ventilator, since the ventilation air volume is secured and dirty air is discharged to the outside based on the result of the formaldehyde detection means and the temperature difference, the fan operates only with the ventilation air volume even when the above conditions are satisfied. Therefore, there is a problem that the dust accumulated on the floor or the like remains as it is.

  Also, since dirty air is always discharged outside the room, air that has been cooled in summer and air that has been heated in winter are exhausted at the same time. For this reason, there is a problem that the electricity bill is a burden on the user and has an adverse effect on the environment.

  The present invention solves such a conventional problem, and by providing an air outlet for blowing air to the ventilation system body, dust is not accumulated on the floor and the exhaust is automatically changed by a damper. The purpose is to provide an environmentally friendly ventilation system that eliminates the feeling of cold wind in winter.

  In order to solve the above-mentioned problem, the ventilation system of the present invention is characterized in that the air blown out from the outlet by a fan is used to blow out accumulated dust in the room and suck the blown-out dust from the suction port. To do.

  In the ventilation system of the present invention, the dust is measured by the dust device by rotating the fan, blowing the wind from the blow grill to the floor, circulating the air, and switching the damper according to the dust amount. It is characterized by.

  The ventilation system of the present invention is characterized in that the swing mechanism swings up and down.

  The ventilation system of the present invention is characterized in that the swing mechanism swings left and right.

  In the ventilation system of the present invention, the motor for driving the fan is a DC motor.

  Moreover, the ventilation system of this invention judges the particle size of dust, and when the particle size of dust is large, it switches the wind blown from a blower outlet to the maximum.

  Moreover, the ventilation system of this invention judges the particle size of dust, and displays the kind of dust.

  In addition, a human detection device is provided, and when a person is detected, the wind blown out from the blowout grill is made to be a breeze.

  In addition, a human detection device is provided, and when the person is not detected for a certain period of time, the wind blown from the outlet is switched to the maximum.

  In addition, the ventilation system of the present invention is provided with a human detection device, and when it is determined that there is a person, the wind blows out from the blowing grill in a region other than the area where the person is present.

  In addition, the ventilation system of the present invention includes a light detection device, and when the light detection device determines that it is night, the ventilation system is switched from circulation to exhaust.

  Further, the ventilation system of the present invention is characterized in that a filter is attached to an adapter B connected to a circulation grille to be circulated.

  In addition, the ventilation system of the present invention is provided with a dirt detection means, and air is not circulated while the dirt is detected.

  In addition, the ventilation system of the present invention includes a window opening / closing switch, and controls the fan according to the opening / closing state of the window.

  As described above, according to the ventilation system of the present invention, it is possible to provide an environment-friendly ventilation system that does not accumulate dust on the floor or the like, eliminates the feeling of cold in winter, and accurately reduces the duct path pressure loss. Therefore, it is possible for the living room designer and the contractor to design and construct without worrying about the effect of the duct length and piping, so that the number of ventilations can be ensured, and the ventilation is more than necessary. From the standpoint of not doing so, the noise of the blower can be reduced and the power consumption can be reduced, so that environmentally friendly products can be provided.

  The invention of the ventilation system according to claim 1 includes a suction port for sucking air, a blowout port for blowing out air, and a fan for blowing air to the blowout port, and uses the air blown from the blowout port by the fan. The dust accumulated in the room is blown away, and the dust blown off is sucked in from the suction port, and the dust accumulated in the room is blown off using the air blown out from the blow outlet, and the dust is blown off. Since the dust is sucked from the suction port, the accumulated dust is eliminated and the room can be kept clean.

  The invention of the ventilation system according to claim 2 has an inlet A below and is connected to an adapter A connected to an exhaust duct, a blowout grill for blowing out air for circulating air, and the blowout grill connected to the circulation duct. Adapter B, a ventilation fan body installed on the ceiling surface of the room, a fan that ventilates or circulates in the ventilation fan body, a damper that switches between circulation and ventilation, and a vent that is provided to cover the suction port In the ventilation system having the main body with a louver provided, a dust device for measuring the amount of dust, and a control unit for controlling the fan and the damper according to the amount of the dust device, the fan is rotated. The air is blown out from the blow grill to the floor, and the dust device measures the amount of dust in the air that circulates and circulates, and switches the damper according to the amount of dust. Since the damper can be switched according to the amount of dust, it can be circulated in the room when there is little dust, and the temperature is controlled by an air conditioner in summer or winter Since air can be maintained, it is possible to eliminate the feeling of cold wind especially in winter without burdening the user with the cost of electricity, saving energy and being friendly to the environment.

  The invention of the ventilation system according to claim 3 is characterized in that the blowout grill is provided with a swing mechanism, and the swing mechanism swings up and down. Dust can be blown farther and the room can be kept clean.

  The invention of the ventilation system according to claim 4 is characterized in that the blowout grill is provided with a swing mechanism, and the swing mechanism swings left and right, and the blowout grill can swing, so that the room has accumulated. Dust can be blown farther and the room can be kept clean.

  The invention of the ventilation system according to claim 5 is characterized in that the motor for driving the fan is a DC motor, and the output efficiency can be improved, so that the power consumption can be reduced.

  The invention of the ventilation system according to claim 6 is characterized in that the particle size of the dust is judged, and when the particle size of the dust is large, the wind blown out from the outlet is switched to the maximum. Since the diameter can be determined, accumulated dust can be reliably blown up and the room can be kept clean.

  The invention of the ventilation system according to claim 7 is characterized in that the particle size of the dust is judged and the type of the dust is displayed, and the type of the dust is displayed. In the case of pollen, you can take measures such as putting on a mask when you go out.

  The invention of the ventilation system according to claim 8 is provided with a human detection device, and when a person is detected, the wind blown from the blowout grill is made into a slight wind, and when a person is detected, In order to make the wind breeze, it can be ventilated without giving a cold wind feeling to the user especially in winter.

  The invention of the ventilation system according to claim 9 is provided with a human detection device, and when the person is not detected for a certain period of time, the wind blown out from the outlet is switched to the maximum, and the person is detected for a certain period of time. If not, the wind blown from the outlet can be switched to the maximum, so that even when the user is absent during a trip or the like, the accumulated dust can be kept clean without accumulating in the room. In addition, it can exert its maximum ability even in rooms where there are not many people (barn, dresser, etc.), and prevent it from accumulating in things stored in the door or clothes stored in the dresser. be able to.

  The invention of the ventilation system according to claim 10 is provided with a human detection device, and when it is determined that there is a person, it can be characterized in that the wind blows out from the blowout grill outside the area where the person is present. The ventilation system can be used without causing discomfort to the person.

  The invention of the ventilation system according to claim 11 includes a light detection device, and when the light detection device determines that it is night, it can switch from circulation to exhaust, so that the user can sleep. Since ventilation can be performed without receiving blowing air from the outlet, the present ventilation system can be used without discomfort.

  The invention of the ventilation system according to claim 12 can be characterized in that a filter is attached to the adapter B connected to the circulating grill to be circulated, so that dust contained in the circulated air is further removed. Therefore, it is possible to always supply clean air to the user.

  The invention of the ventilation system according to claim 13 is provided with a dirt detecting means, and air can not be circulated while the dirt is being detected. Therefore, when the user smokes tobacco, etc. Since the air can be ventilated without being circulated, fresh air can always be supplied to the user.

  The invention of the ventilation system according to claim 14 includes a window opening / closing switch, and can control the fan according to the opening / closing state of the window. Therefore, when the user is opening / closing the window, Since fresh air is supplied from the window, the fan can be stopped and the power consumption can be reduced.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

(Embodiment 1)
As an example of the ventilation system of the present invention, a ventilation system provided on the ceiling in a building will be described as an example.

  As shown in FIGS. 1 and 2, for example, the adapter 5 is installed on the ceiling 3 of the room 2 of the house 1, has a suction port below the main body 4, and is provided on the side surface of the main body 4. The air is exhausted from the exhaust port 7 provided on the wall surface of the room through the outside.

  The second adapter 8 provided on the side surface of the main body 4 communicates with the blowing grill 10 through the circulation duct 9 and the ceiling 3 of the room 2. The adapter 8 is provided with a filter 11 that mechanically removes dust from the circulated air. The wall surface of the room is provided with a natural air inlet 12 for taking in air from outside air. The outside air is sucked into the room and exhausted to the outside. Yes.

  The main body 4 includes a ventilation device including a fan 13 and a motor 14 that rotates the fan 13 (for example, the motor 14 is a DC motor having high output efficiency), a damper 15 that switches between circulation and ventilation, and covers the suction port. The louver 16 is provided with a louver 16 having a vent hole, and the louver 16 includes a human body detection device 17 (for example, a human sensor) that can detect the movement of a human body and a light detection device 18 (for example, a photodiode) that determines day and night. ), The human detection device 17 includes a setting switch (for example, a slide switch (not shown)) that allows the user to set the operation of the blowout port, and a dust device that detects the amount of dust in the ventilation port. 19 (for example, an optical dust sensor), and the louver 16 uses display means 20 (for example, an LED) for displaying a value obtained by the dust sensor. The blow grill 10 is provided with a swing mechanism 21 (for example, the swing mechanism is configured by changing resin to a stepping motor (the structure of the resin is not shown)) so that the direction in which the air is blown out can be changed. The detection device 17, the light detection device 18, the dust device 19, the display means 20, the swing mechanism 21, the motor 14, and the control circuit 22 for controlling the damper 15 are provided on the top surface of the main body 4, and the human body detection device 17 and the light detection device 18. The dust circuit 19, the display means 20, the swing mechanism 21, the motor 14, and the control circuit 22 for controlling the damper 15 are connected by lines (not shown).

  The damper 15 is composed of a stepping motor and a resin, and by switching the phase of the stepping motor between one phase and two phases alternately and passing an electric current, the motor is rotated and the resin is operated to switch the damper 15. is there.

  The configuration of the human body detection device 17 is a combination of a heat ray that detects a heat ray emitted from the human body, an amplifier (for example, an operational amplifier) that amplifies the signal of the heat ray, and a light receiving lens that collects the heat ray from the detection region on the heat ray). When the heat ray emitted from the human body is detected by the light receiving lens that collects the heat ray, the heat ray signal is expressed as a voltage change, the subtle change is amplified by the operational amplifier, and the change is output electrically. Is.

  The configuration of the setting switch that allows the user to set the operation of the outlet is composed of three contents. First, when a person is detected when a slide part is set at the right end, the wind blown from the outlet grill is made slightly breeze If a person is detected when the slide portion is set at the left end, the mode enters the mode in which the wind from the blowout grill blows out other than the area where the person is present.

  The configuration of the light detection device 18 (for example, a photodiode) is such that the current changes in proportion to the ambient brightness and the change is electrically output.

  The configuration of the dust device 19 (optical dust sensor) includes a heater inside the dust sensor, generates an updraft by Joule heat generation of the heater, and takes in air containing particles into the dust sensor. The inside of the sensor is illuminated with LEDs, and when particles such as smoke, dust, and pollen pass through the illumination area, a scattered light pulse is generated according to the particle system, and the pulse is converted into a voltage pulse and output.

  In the above configuration, the operation of the ventilation system will be described with reference to the flowchart shown in FIG.

  When the ventilator user turns on the ventilator to operate the ventilator, the power is applied to the control circuit 22. When power is applied to the control circuit 22, a program of a microcomputer (not shown) arranged in the control circuit 22 starts processing, and reading of the human body detection device 17, the light detection device 18, and the dust device 19 starts. A command to start the operation of the fan 13 at a certain time (for example, 5 minutes) and stronger than normal (for example, strong rotation) is output. However, the damper 15 is kept closed during a certain period of strong rotation. The reason for operating for a certain period of time (for example, 5 minutes) only at the initial stage of energization is stronger than usual (for example, strong rotation). The time taken for the dust device to detect the value of the dust from the mouth is assumed.

  The strong operation is finished for 5 minutes, the dust value set in the program in advance and the current value of the dust device 19 are compared, and if it is determined to be below the reference value, the fan 13 is operated in the normal operation, Circulate air without exhausting it outside. At this time, if the human body detection device 17 does not detect the presence of a person, the state is maintained. However, when it is determined that the light detection device is bright, the state is maintained, and when it is determined that the light detection device is dark, the damper 15 is changed from closed to open and switched from circulation to exhaust. When the human body detection device 17 does not detect the presence of a person for a certain period (24 hours), the fan 13 is operated strongly by switching the wind blown from the blow grill to the maximum. At this time, the swing mechanism in the blowout grill operates to the left and right. The same effect can be obtained when the swing mechanism operates up and down.

  At this time, the system is operated for a certain period of time, and if the dust device 19 is below the reference value, the state is maintained. If the dust device 19 is above the reference value, the damper 15 is switched to exhaust from the circulation.

  The reason why the certain period of time is 24 hours is that if the air does not move for 24 hours, it is assumed that there is a high possibility of absence and that dust is deposited so as to be visible.

  When the human body detection device 17 detects the presence of a person, the operation is performed in the state of a setting switch that allows the user to set the operation of the outlet.

  Next, when it is determined that the amount of dust is greater than the reference value, the particle size of the dust is determined. If it is determined that the particle size is larger than the reference value, the fan 13 is continuously operated to maximize the wind blown from the outlet, and after a certain period of time, the damper 15 is changed to the open state and dirty air is discharged outside the room. To do. If it is determined that the particle size is smaller than a reference value (for example, 0.5 μm), the possibility of cigarette smoke is high, so the damper 15 is immediately changed to the open state and dirty air is discharged outside the room.

  At this time, the type of dust such as smoke or pollen is determined from the particle size and displayed on the display means 20. For example, when the particle size is 0.5 μm or less, it is judged as smoke particles and displayed with a red LED, and when the particle size is about 20 to 30 μm, it is judged as pollen and displayed with a blue LED. The type is determined and displayed for each determined type, but there is no difference in effect regardless of which color is used for this LED display.

  In the ventilation system configured as described above, the accumulated dust is blown off by the wind blown from the blowout grill and exhausted to the outside using the ventilation device, so that the dust is not accumulated in the room.

  If there is no dust accumulation in the room, the indoor air is circulated to eliminate air conditioning energy loss in summer and winter. Can do.

(Embodiment 2)
The second embodiment will be described with reference to FIG. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  A window opening / closing switch 23 (for example, a magnet switch) is provided in the window, the opening / closing switch 23 and the control circuit 22 are connected by a signal line (not shown), and the control circuit 22 confirms the opening / closing state of the window; It has become.

  The configuration of the window opening / closing switch 23 (magnet switch) applies a voltage of 5 V across the switch. This switch is composed of a magnet, and while the magnets are attached, the reed switch is short-circuited and current flows to indicate a closed window. When the window is opened and the magnet is separated, the window is opened and no current flows.

  In the above configuration, the operation of the ventilator according to the present embodiment will be described with reference to the flowchart shown in FIG.

  For example, when the ventilator user opens the window, the window opens and closes and fresh air is supplied. Therefore, the fan 13 can be stopped, and thus power consumption can be reduced.

  The ventilation system attached to a building according to the present invention is widely useful in a product or a product field that suppresses accumulated dust.

The attachment state figure of the ventilation system of Embodiment 1 of this invention Installation drawing showing the ventilation device installed on the ceiling Flow chart showing operation of the ventilator The attachment state figure of the ventilation system of Embodiment 2 of this invention Flow chart showing operation of the ventilator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 House 2 Room 3 Ceiling 4 Main body 5 Adapter 6 Exhaust duct 7 Exhaust port 8 Adapter 9 Circulation duct 10 Outlet grill 11 Filter 12 Natural inlet 13 Fan 14 Motor 15 Damper 16 Louver 17 Human body detection device 18 Light detection device 19 Dust device 20 Display means 21 Swing mechanism 22 Control circuit 23 Open / close switch

Claims (14)

An air inlet that sucks in air, an air outlet that blows out air, and a fan that blows air to the air outlet, and blows away accumulated dust in the room using the air blown from the air outlet by the fan, and the dust blown off A ventilation system that sucks in the air through the suction port. Installed on an indoor ceiling surface, having an inlet A below the adapter A connected to the exhaust duct, a blowout grill for blowing out air for circulating air, an adapter B connected to the blowout grill and the circulation duct A ventilation fan body, a fan that ventilates or indoors circulates in the ventilation fan body, a damper that switches between circulation and ventilation, a louver that has a ventilation port provided to cover the suction port, and the ventilation port, In a ventilation system equipped with a dust device for measuring the amount of dust and a control unit for controlling the fan and damper according to the amount of the dust device in the main body, the fan is rotated to blow air from the blow grill to the floor surface, A ventilation system characterized in that air is circulated and the dust device measures the amount of dust in the circulated air and switches the damper according to the amount of dust. . The ventilation system according to claim 1 or 2, wherein a swing mechanism is provided on the blowout grill, and the swing mechanism swings up and down. The ventilation system according to claim 1 or 2, wherein a swing mechanism is provided on the blowout grill, and the swing mechanism swings left and right. 5. A ventilation system according to claim 1, wherein the motor for driving the fan is a DC motor. 6. The ventilation system according to claim 1, wherein the particle size of the dust is judged, and when the particle size of the dust is large, the air blown from the outlet is switched to the maximum. The ventilation system according to claim 1, wherein the particle size of the dust is judged and the kind of the dust is displayed. 8. The ventilation system according to claim 1, further comprising a human detection device, wherein when a person is detected, the air blown from the blow-out grill is made into a breeze. The ventilation according to claim 1, further comprising a human detection device, wherein the air blown from the outlet is switched to the maximum when no person is detected for a certain period of time. system. A human detection device is provided, and when it is determined that there is a person, the wind blows out from the blowout grill in a region other than the area where the person is present, or 1, 2, 3, 4, 5, 6, 7, 8 or 9. The ventilation system according to 9. 11. The light detection device according to claim 1, wherein when the light detection device determines that it is night, switching from circulation to exhaust is performed. Ventilation system. The ventilation system according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11, wherein a filter is attached to the adapter B connected to the circulating grill. 13. A dirt detection means is provided, and air is not circulated while dirt is detected. 13. A method according to claim 1, wherein the air is not circulated. Ventilation system. 14. A window opening / closing switch is provided, and the fan is controlled according to the opening / closing state of the window, wherein the fan is controlled. The ventilation system described.

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