JPH07239142A - Method, equipment and system for multiroom ventilation - Google Patents

Abstract

PURPOSE:To execute an optimum ventilation for multiroom ventilation by a system wherein blower equipment having a plurality of intake structures is used and an intake in a fixed quantity of air is conducted through one intake passage, while the intake in the quantity of air corresponding to the respective draft areas of intake passages is conducted through the other intake passages communicating with discrete rooms. CONSTITUTION:Blower equipment 4 having a plurality of intake structures 1, 2 and 3 is used and the intake structures 1, 2 and 3 are made to communicate respectively with discrete rooms 10, 11 and 12 which can be supplied with air in parallel. On the occasion, one of the intake structures is made to communicate with the room (e.g. a toilet) 10 for which the amount of ventilation may be fixed, and the blower equipment 4 is controlled so that the quantity of air for one intake structure 1 made to communicate with this room 10 be fixed, while discrete adjustment of the quantity of air for the intake structures 2 and 3 other than the above is controlled by adjusting the respective draft areas thereof. By controlling the quantity of air for one place, accordingly, the amount of ventilation of the other discrete rooms 11 and 12 can also be controlled and adjustment of distribution of the amount of ventilation to the discrete rooms 10, 11 and 12 can also be executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-room ventilation method for ventilating multiple rooms in a house, a multi-room ventilation device and a multi-room ventilation system for realizing the method.

[0002]

2. Description of the Related Art Multi-room ventilation in which a plurality of rooms such as bathrooms and toilets in a house are ventilated by a single blower is conventionally performed by using a blower having a single exhaust structure and a plurality of intake structures. ing. That is, a plurality of exhaust structures of such a blower are individually connected to each room of the house by ducts. With this, if the ventilation capacity of each duct is taken into consideration and the capacity of the air blower is determined to be optimal, each room will be able to obtain the optimal ventilation volume, and the layout will be the same for all houses. Then, such a blower can be applied to any house.

However, many houses have different configurations and layouts, and the length of the duct and the number of bent portions also differ. Therefore, the ventilation resistance of the duct is taken into consideration to determine the capacity of the blower. However, the optimal ventilation cannot be obtained. As a ventilation technique that can cope with individuality of a house, for example, there is one disclosed in Japanese Patent Laid-Open No. 1-239330. In this system, the total ventilation is set by the exhaust side of the blower, and the individual ventilation is set by each intake side.

That is, as shown in FIG. 8, a pressure sensor 103 for detecting wind pressure is provided on the side of the exhaust structure 102 of the blower 101.
Is provided. The output of the pressure sensor 103 is input to the wind pressure change rate measuring means 104. The wind pressure change rate measuring means 104 includes a preset reference wind pressure and the pressure sensor 10.
The change rate of the wind pressure is measured from the output of No. 3, and is output to the exhaust air flow rate determination unit 105. The exhaust air volume determination means 105 determines the exhaust volume from the rate of change of the wind pressure, and the blower drive means 106 controls the air blower 101. In addition, each intake structure 1
An electric damper 108 is provided on the 07 side, and the electric damper 108 is controlled by an individual control means 109 having the same configuration as the exhaust structure 102 side.

As a result, the air blower 101 is controlled to obtain a preset total optimal ventilation amount of each room, and each electric damper 108 obtains a preset optimal ventilation amount of each room. The opening is controlled, and the individuality of the house can be handled by adjusting the set value.

However, in the multi-room ventilation method using this multi-room ventilation device, since the optimum ventilation of each room is obtained from the total optimum ventilation of a plurality of rooms, the ventilation volume is almost flexible. Inconveniently, for example, even if the bathroom is not required to be ventilated, it will be ventilated according to the set ventilation, and the ventilation will be the same at both the winter bathing and the summer bathing. is there.

The multi-room ventilator itself includes a control means for controlling the total ventilation of a plurality of rooms to a set value and a plurality of control means 109 for controlling the individual ventilation of each room to a set value. In addition to the problem that the configuration is complicated and the cost is high, the individual control means 10 is required.
Since there are several 9s, the work of setting the reference value is complicated and troublesome, and it is difficult to deal with a failure.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a simple method which allows flexible and optimal ventilation for multiple chambers using a single blower with multiple intake structures. To obtain a multi-room ventilator that has a simple and easy-to-handle configuration that can achieve optimal ventilation of multiple rooms, reduce equipment costs, and make it easy to switch ventilation air volumes, depending on the scale and season of the house. It is possible to control the ventilation volume. Further, in recent years, there are attempts to ventilate the entire house in a sanitary zone in an apartment that is becoming highly airtight, for example, if the bathroom, washroom and toilet are individually ventilated. However, there are problems that the ventilation volume of the entire house becomes excessive and deficient and proper ventilation cannot be implemented, and that it is difficult to realize individual comfortable ventilation, which are also problems to be solved by the present invention.

[0009]

In order to solve the above-mentioned problems, the invention of claim 1 uses an air blower having a plurality of intake structures, and each of the intake structures is provided in parallel in an individual room capable of supplying air. And one of the intake passages are individually connected to each other, and for one of them, the air blower is controlled so that the air volume to the intake structure is constant, and the air volume to the other intake structures is controlled. The means for individually adjusting the air flow rate for each intake structure by adjusting the ventilation area is adopted.

In order to solve the above-mentioned problems, the invention of claim 2 forms an exhaust structure for exhaust, a plurality of intake structures for intake, and a ventilation flow from the intake structure side to the exhaust structure side. For each intake structure of the blower equipped with a blower, an air volume adjusting member is provided to adjust the ventilation area of each, and the air volume for one of the intake structures is detected, and the detected air volume matches the preset target air volume. A means for feedback controlling the blower is adopted so as to.

In order to solve the above problems, the invention of claim 3 forms an exhaust structure for exhaust, a plurality of intake structures for intake, and a ventilation flow from the intake structure side to the exhaust structure side. For each intake structure of the blower equipped with a blower, an air volume adjusting member that adjusts each ventilation area and an electric damper that opens and closes and holds a small ventilation area even in the closed position are provided, and the air volume for one of the intake structures And a means for feedback controlling the blower so that the detected air volume matches the preset target air volume.

In order to solve the above problems, the invention of claim 4 is directed to an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower for forming a ventilation flow from the intake structure side to the exhaust structure side. For each of the above-mentioned intake structures of the blower equipped with, an air volume adjusting member for adjusting the respective ventilation areas, and an electric damper for opening and closing and maintaining a small ventilation area even in the closed position are provided, and the air volume for one of the intake structures is provided. Is detected, and the blower is feedback-controlled so that the detected air volume matches the preset target air volume, and two of the other suction structures are individually connected to the bathroom and the washroom by the intake passages. The means for opening each electric damper of the two intake structures when one of them is closed is adopted.

In order to solve the above-mentioned problems, the invention of claim 5 is an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower for forming a ventilation flow from the intake structure side to the exhaust structure side. For each intake structure of the blower equipped with, an air volume adjusting member for adjusting each ventilation area, and an electric damper for opening and closing and maintaining a small ventilation area even in the closed position,
Detects the air volume for one of the intake structures and feedback-controls the blower so that the detected air volume matches the preset target air volume, and also connects the other two intake structures to the upper part of the bathroom and the bathroom by the intake passages. A means is provided that is individually connected to a room capable of supplying air, and that two air supply ports, an upper side and a lower side, which can be opened and closed by an opening / closing shutter, are provided between the bathroom and the following room.

In order to solve the above-mentioned problems, the invention of claim 6 provides a clothes dryer having a blower having the bathroom as a drying chamber in the bathroom according to the means of the invention of claim 5, A means for communicating one of the intake passages with the bathroom via the exhaust connection is adopted.

[0015]

According to the above-mentioned means, in one intake passage, the intake air has a constant air volume, and in the intake passages communicating with other individual chambers, the air volume corresponding to the individually adjusted ventilation areas. Will be inhaled.
Therefore, by controlling the air flow rate at one location, it is possible to control the ventilation rates of other individual rooms as well, and it is possible to adjust the distribution of the ventilation rates of the individual rooms.

According to the second aspect of the present invention, one air volume of the intake structure is maintained constant, so that the other intake structures are also constant according to the respective ventilation areas individually adjusted by the air volume adjusting members. It will be controlled by the air volume, and the total ventilation can be adjusted.

According to the third aspect of the present invention, one air volume of the intake structure is kept constant, so that the other intake structures have their respective ventilation areas adjusted individually by the air volume adjusting member and the electric damper. The air volume is controlled according to the above, and the air volume passing through the intake structure can be switched between large and small by opening and closing the electric damper.

In the means according to claim 4, the air volume of one of the air intake structures is kept constant, whereby each air intake structure communicating with the bathroom and the washroom is individually adjusted by the air volume adjusting member and the electric damper. The air volume can be controlled according to each ventilation area, and the distribution of ventilation in the bathroom and washroom can be changed.

In the means according to claim 5, the air volume of one of the air intake structures is kept constant, whereby each air intake structure communicating with the bathroom and the room following it is also individually provided by the air volume adjusting member and the electric damper. In addition to controlling the air volume according to each ventilation area adjusted to, it is possible to change the distribution of the ventilation volume of the bathroom and the room that follows it, moreover, the air supply accompanying the ventilation to the bathroom is the upper side of the bathroom. It can be done from both the bottom side.

In the means according to the sixth aspect, in addition to the action according to the fifth aspect, it is possible to share the exhaust passage of the clothes dryer with the intake passage of the bathroom without separately providing it.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 uses the air blower 4 shown in FIG. 1 having a plurality of intake structures 1, 2, 3 and uses each of the intake structures 1, 2, 3
When communicating with each room that can supply air in a parallel relationship individually, one of them communicates with a room such as a toilet where the ventilation volume may be constant, and one of the rooms is connected to this room. The air blower 4 is controlled so as to keep the air volume to the intake structure 1 constant, the air volumes to the other intake structures 2 and 3 are controlled, and the air volumes to the other intake structures 2 and 3 are individually adjusted. It shows a multi-chamber ventilation system that implements a multi-chamber ventilation method by adjusting the respective ventilation areas.

In the multi-chamber ventilation method adopted by this system, a constant amount of air is taken in the intake passage that communicates with a room where the ventilation is constant, and it is adjusted individually in the suction passage that communicates with other individual rooms. Intake of the air volume corresponding to each of the ventilation areas is performed. Therefore, by controlling the air volume at one location, the ventilation volume of other individual rooms can also be controlled, and the ventilation volume distribution of individual rooms can be adjusted as well, allowing flexible ventilation of multiple rooms. It will be.

In FIG. 2 showing a multi-room ventilation system, the house 5 shown as an application example of the system is highly airtight, and the entire house 5 is ventilated by the ventilation in the sanitary zone. That is, in the figure, reference numeral 6 denotes, for example, a room facing the outside, and this room 6 is provided with an outside air supply port 8 provided with an air supply device 7 capable of adjusting the supply air volume, and the necessary air supply for the entire house 5 is provided. The amount is supplied by the air supply from the outside air supply port 8.

In this room 6, for example, a corridor (not shown)
Etc., a ventilation port 9 communicating with another space in the house 5 is configured. The ventilation port 9 has a function of exhausting the living room 6 and a function of supplying air to other parts. A space such as a corridor that communicates with the ventilation port 9 is a path for air supply, and sanitary zones such as a toilet 10, a washroom 11, and a bathroom 12 face each. A toilet air supply port 13 communicating with an air supply path is provided at the doorway of the toilet 10. Similarly, the toilet 11 is also provided with a toilet air supply port 14 communicating with the air supply path at the upper part. Bathroom 12
Like the floor plan in many houses 5, it is configured to go in and out of the washroom 11, and an opening / closing shutter 16 is provided at an upper part on the ceiling side and a lower part on the floor side with respect to a partition wall 15 with the washroom 11, respectively. Upper and lower bathroom air supply openings that can be opened and closed with 17 and 1
9 is provided.

Air intake terminal parts 21 such as an air intake grill having a filter 20 inside are provided on the ceilings of the toilet 10 and the washroom 11.
Are installed respectively. In addition, a clothes dryer 24 including a heating coil 22 and a blower 23 is installed on the ceiling of the bathroom 12 so that the bathroom 12 can be put in a dry atmosphere and used to heat the clothes drying room or the bathroom 12. The clothes dryer 24 is a dryer that sucks in the air from the bathroom 12 and blows it out as warm air, and is provided with an exhaust connection port 25 for exhausting air that is adjacent to the intake port and communicates with the bathroom 12. This exhaust connection port 25 is normally connected to an exhaust device such as a ventilation fan via a duct and communicated with the outside, but in this embodiment, it is also used as a suction port for ventilation of the bathroom 12, so the facility Construction costs can be kept low.

As for the ventilation of the house 5 having the above structure, as shown in FIG. 1, one exhaust structure 26 for exhaust and a plurality of intake structures (three in this embodiment) 1 and 2 for intake. ，
3 and a blower 27 that forms a ventilation flow from the intake structure 1, 2 and 3 side to the exhaust structure 26 side by a multi-chamber ventilation device mainly configured. The intake structures 1, 2 and 3 of the blower device 4 have the same structure, and the air flow rate adjusting plates 28, 29 and 30 as air flow rate adjusting members for adjusting the respective ventilation areas are opened in steps from full open to closed. It is provided so that can be set. In addition, the air volume control plates 28, 29 of the intake structures 1, 2, 3
On the downstream side of 30, there are provided electric dampers 31, 32, and 33 that open and close the parts and maintain a small ventilation area even in the closed position.

In particular, with respect to the intake structure 1, the pressure inside the intake structure 1 between the upstream side and the downstream side of the air volume adjusting plate 28 is detected by the pressure pipe 34, and the pressure is applied to the diaphragm 35 so that the downstream side. Differential pressure sensor 36 for detecting the pressure difference on the upstream side
Is provided. The relationship between the air volume passing through the intake structure 1 and the pressure difference between the upstream side and the downstream side of the air volume adjusting plate 28 is shown in FIG.
As shown in, an exponential function is obtained, and the differential pressure corresponding to the passing air volume appears. Therefore, the differential pressure sensor 36 is a means for detecting the air volume flowing through the intake structure 1.

The output of the differential pressure sensor 36 is input to the control device that controls the blower 27. The control device is shown in FIG. 2 and FIG.
As shown in FIG. 3, a comparison unit 38 that compares the output of the differential pressure sensor 36 with the reference signal set by the setting unit 37, and a blower drive unit 39 such as an inverter that receives the output of the comparison unit 38 and directly controls the blower 27. It is composed by. The control function of this control device is feedback control, and drives and controls the motor of the blower 27 to be controlled so that there is no difference between the output of the differential pressure sensor 36 and the reference signal. That is, the blower 27 is controlled so that the amount of air passing through the one intake structure 1 of the blower 4 becomes constant. The reference signal is output by the adjusting means 3 connected to the setting means 37.
It can be changed to any value by 7a.

Of the electric dampers 31, 32, 33 provided in each of the intake structures 1, 2, 3, those provided in the intake structures 2, 3 other than the intake structure 1 in which the air volume is kept constant. In each case, the opening / closing control is performed by the damper control device 40 as shown in FIG. That is, these electric dampers 32, 3
Each of the opening / closing means 41, 42 for opening / closing 3 is connected to the damper control device 40 via the switching means 43. Further, the opening / closing shutters 16 and 17 provided at the upper and lower bathroom air supply ports 18 and 19 of the bathroom 12 are also configured to be similarly opened and closed by the damper control device 40. The damper control device 40 causes the switching means 43 to switch the other electric dampers 33, 33 when one of the electric dampers 32, 33 is opened.
32 is closed, and one of the open / close shutters 1
6 and 17 are opened and the other open / close shutters 17 and 16 are closed. The electric damper 31 of the intake structure 1 for keeping the air volume constant is a matter of convenience depending on the application and need not necessarily be provided, but its opening and closing is performed by its own opening / closing means.

The exhaust structure 26 of the multi-room ventilator having the above structure is connected to the outside by an exhaust duct. Of the three parallel intake structures 1, 2 and 3, the one having a constant air volume is suitable for ventilation of the toilet 10, and is connected to the intake terminal component 21 of the toilet 10 by the duct intake passage 44, The other is connected to the intake terminal part 21 of the washroom 11 by an intake passage 45 formed by a duct, and the other is connected to the exhaust connection port 25 of the clothes dryer 24 in the bathroom 12 by an intake passage 46 formed by a duct. Bathroom air supply openings 1 above and below the bathroom 12
The opening / closing shutters 16 and 17 of 8 and 19 open the lower bathroom air supply port 19 and close the upper bathroom air supply port 18 when the electric damper 32 of the air intake structure 2 communicating with the bathroom 12 is opened. , When the electric damper 32 is closed, the lower bathroom air supply port 19
Is connected to the damper control device 40 via the switching means 43 so as to close and open the upper part. This damper control device 4
0 is remotely operated by the remote controller. Further, the clothes dryer 24 can be operated by the same remote controller as in the damper control device 40. As a result, a multi-room ventilation system capable of performing ventilation of the entire house 5 by one blower device 4 in the sanitary zone is configured.

In this multi-chamber ventilation system, basically, each intake structure 1, 2, 3 of the multi-chamber ventilation device, which is the core of the multi-chamber ventilation system, has its respective air volume adjusting plates 28, 29, 30 and electric dampers 31, 32 ,. Although the air flows with an air volume according to the ventilation area determined by 33, the air blower 27 of the air blower 4 is feedback-controlled by the control device so that the air volume of one of the air intake structures 1 becomes constant. Structure 2, 3
Also, the respective air volume adjusting plates 29, 30 and the electric damper 3
The air flows with an air volume corresponding to the ventilation area determined by 2, 33.

It is almost unnecessary to change the air volume of the toilet 10 for ventilation, and in most cases, the air volume is set to about 20 cubic meters per hour. Also in the case of this embodiment, the passing air volume of one intake structure 1 connected to the toilet 10 is appropriately set to 20 cubic meters per hour by the air volume adjusting plate 28. That is, if the pressure difference between the upstream side and the downstream side of the air volume adjusting plate 28 of the intake structure 1 is made constant, the air volume passing therethrough will also be made constant, so that the setting means 37 corresponds to an air volume of 20 cubic meters per hour. Set the output reference signal. The blower 27 is controlled so that the output of the differential pressure sensor 36 coincides with this reference signal, and the toilet 10 is operated at 2 hours / hour.
It will be ventilated with an air volume of 0 cubic meters.

When the air volume of the intake structure 1 connected to the toilet 10 is controlled to be constant as described above, the bathroom 12 and the washroom 11
The air intake structures 2 and 3 communicated with the air intake structure are ventilated by the air flow rate adjusting plates 29 and 30 and the electric dampers 32 and 33 according to the air flow areas. The electric damper 32 of the intake structure 2 connected to the bathroom 12 is opened, and the air volume adjusting plate 29 is operated to set the air volume of, for example, 50 cubic meters per hour. The electric damper 32 holds a small ventilation area even in the closed state. If the air volume due to the ventilation area in the closed state of the electric damper 32 is, for example, 20 cubic meters per hour, the air volume flowing through the intake structure 2 is 50 cubic meters per hour. It will be controlled to cubic meters or 20 cubic meters per hour. In this embodiment, the intake structure 3 communicating with the washroom 11 is also set in the same manner.

As a result, the toilet 10 is ventilated by the blower 2
According to the control of 7, the intake of 20 cubic meters per hour is always performed, and the ventilation of the bathroom 12 and the washroom 11 is performed by the intake of 50 cubic meters per hour or 20 cubic meters per hour according to the opening and closing of the electric dampers 32 and 33. Therefore, by controlling the air volume for one intake structure 1,
The air flow rates for the other intake structures 2 and 3 are also controlled. That is, in this multi-chamber ventilation device, a plurality of intake structures 1,
The ventilation volume of each room by 2 and 3 is always a constant value.

Therefore, when the multi-room ventilation system as shown in FIG. 2 is constructed, the air supply suitable for the exhaust air is performed from the outside air supply port 8 through the air supply device 7, and energy saving and comfort are maintained. Optimum ventilation of the entire house 5 becomes possible by ventilation in the sanitary zone. The system itself is simple because it can be controlled at one place including the blower 4, and the setting of the air volume is simple and easy to handle. Since the ventilation air volume can be easily switched, the ventilation volume can be adjusted according to the scale and season of the house.

The house 5 shown in FIG.
Assuming a general apartment house with a square meter and an average ceiling height of 2.4 meters, the air volume of the house 5 is 173 cubic meters. Further, the number of ventilations required at all times in the house 5 is generally set to 0.5 times / hour. From these, the above house 5
The required ventilation volume at about 90 cubic meters per hour. In this multi-room ventilation system, since the ventilation volume of each room can be controlled to be constant, for example, if the total ventilation volume of the toilet 10, bathroom 12, and washroom 11 is kept at 90 cubic meters per hour at all times, the required ventilation frequency will be 0. .5 times / hour can be secured. Ventilation exceeding this ventilation amount impairs comfort such as loss of air conditioning energy and chills in the outside air due to air supply during winter.

When the moisture in the bathroom 12 is discharged or when the clothes dryer 24 is operated, the damper controller 40 controls the electric damper 32 on the side of the intake passage 46 leading to the bathroom 12.
Is opened, the electric damper 33 on the side of the intake passage 45 leading to the toilet 11 is closed, and the bathroom air supply port 1 at the bottom of the bathroom 12 is closed.
The open / close shutter 17 of 9 is opened. Therefore, the toilet 10 is ventilated with a constant air volume of 20 cubic meters per hour, the bathroom 12 is ventilated with an air volume of 50 cubic meters per hour, and the bathroom 11 is ventilated with an air volume of 20 cubic meters per hour. Air is supplied to the bathroom 12 from the bathroom air supply port 19 at the lower part through the toilet 11, so that air flows through the entire bathroom 12 and the moisture in the bathroom 12 is smoothly removed. In addition, when the bathroom 12 is ventilated with an air volume of 50 cubic meters per hour, the bathroom 11 is 2 hours per hour.
Ventilation is performed with an air volume of 0 cubic meters, but since the toilet 11 and the bathroom 12 are in communication with each other, the actual ventilation volume of the toilet 11 is 70 cubic meters per hour.

When it is desired to reduce the ventilation of the bathroom 12 when taking a bath or the like, the damper control device 40 closes the electric damper 32 on the side of the intake passage 46 leading to the bathroom 12. Along with this, the electric damper 33 on the side of the intake passage 45 leading to the washroom 11 is opened, and the bathroom air supply port 1 above the bathroom 12 is opened.
Opening and closing shutter 16 of 8 opens the bathroom air supply port 1 at the bottom
The open / close shutter 17 of 9 is closed. Therefore, the toilet 10 is also ventilated with a constant air volume of 20 cubic meters per hour, the bathroom 12 is ventilated with an air volume of 20 cubic meters per hour, and the bathroom 11 is ventilated with an air volume of 50 cubic meters per hour. Air is supplied to the bathroom 12 from the bathroom air supply port 18 at the upper part through the washroom 11, so that almost no air flows below the bathroom 12 such as in the washroom, and the bather does not have an air flow on the skin, so the bath is comfortable. can do.

Air supply ports 14 and 1 of the washroom 11 and bathroom 12
The positions of 8 and 19 are important for improving ventilation efficiency. FIG. 6 shows the position of the bathroom air supply port of the bathroom 12 when the bathroom 12 is ventilated at 50 cubic meters per hour after bathing, and the change in the time when dew condensation in the bathroom 12 is eliminated. It can be seen that the elimination time is shorter and the ventilation efficiency is better when the air is ventilated. Further, also in drying clothes, it is possible to shorten the drying time when the airflow is applied from below the clothes. On the other hand, however, when heating the bathroom 12 with the clothes dryer 24 or when taking a bath in the winter, the air supply from below lowers the heating effect or causes chills. That is, when the ventilation operation is not performed, the air supply port for the bathroom 12 should be on the upper side. In this embodiment, the upper and lower bathroom air supply ports 1
By providing 8 and 19 and selectively opening and closing with the opening and closing shutters 16 and 17, both advantages described above are brought out. If the opening and closing shutters 16 and 17 are opened and closed manually, it is possible to supply air according to the wishes of individual users.

FIG. 7 shows a change in time for eliminating dew condensation due to high humidity in the washroom 11 depending on the combination of the position of the air supply port of the bathroom 12 and the position of the air supply port of the washroom 11 that follows. Is. That is, regardless of whether the position of the air supply port of the bathroom 12 is upper or lower, it is better to raise the air supply port 14 of the washroom 11 for ventilation of the washroom 11.

That is, the ventilation system of this embodiment has a feature that it is possible to perform flexible optimal ventilation for multiple rooms by using a single air blower 4, and the structure is simple and easy to handle. Further, even if the blower 4 installed in the sanitary zone is used for the entire house, the ventilation volume of the entire house does not become excessive or deficient and appropriate ventilation can be performed, and individual comfortable ventilation is also realized. Further, since the single differential pressure sensor 36 is sufficient, it is easy to deal with a failure due to a sensor trouble or the like, and malfunctions due to the sensor are less likely to occur than those having many sensors, and the function is stable. The toilet 10, the washroom 11, and the bathroom 12 are all examples of multiple rooms. In addition, the number of the intake structures 1, 2, and 3 may be plural to implement the invention.

[0042]

As is apparent from the above description of the embodiment, according to the invention of claim 1, the intake passage communicating with one chamber has a constant amount of air intake and communicates with other individual chambers. In the intake passage, the amount of air is inhaled in accordance with the individually adjusted ventilation areas. Therefore, by controlling the air volume at one location, the ventilation volumes of other individual rooms can also be controlled, and flexible optimal ventilation can be easily performed.

According to the second aspect of the present invention, one air volume of the intake structure is maintained constant, so that the other air intake structures have a constant air volume corresponding to each ventilation area individually adjusted by the air volume adjusting member. As a result, the ventilation volume of the entire house can be adjusted, so that the ventilation volume can be adjusted according to the scale and season of the house, and the structure is simple and easy to handle.

According to the third aspect of the present invention, one air volume of the intake structure is kept constant, so that the other intake structures have their respective ventilation areas adjusted individually by the air volume adjusting member and the electric damper. Since the air volume is controlled according to the present invention, the ventilation air volume can be easily switched by opening and closing the electric damper in addition to the effect of the invention of claim 2.

According to the invention of claim 4, the air volume of one of the air intake structures is maintained constant, whereby each air intake structure communicating with the bathroom and the washroom is individually adjusted by the air flow rate adjusting member and the electric damper. In addition to controlling the air volume according to each ventilation area, it is possible to change the distribution of ventilation volume in the bathroom and washroom, so it becomes possible to adjust the ventilation volume according to the scale and season of the house, and the configuration is also In addition to being simple and easy to handle, the ventilation of the entire house can be appropriately ventilated without causing excess or deficiency in ventilation volume.

According to the fifth aspect of the present invention, one air volume of the air intake structure is maintained constant, whereby each air intake structure that communicates with the bathroom and the subsequent chamber is individually provided by the air volume adjusting member and the electric damper. The air volume is controlled according to each adjusted ventilation area, and the distribution of the ventilation volume of the bathroom and the following room can be changed, and the air supply accompanying the ventilation to the bathroom can be adjusted to the upper and lower sides of the bathroom. Since it can be performed from either side, the ventilation volume can be adjusted according to the scale and season of the house, the structure is simple and easy to handle, and the ventilation of the entire house is over the ventilation volume. Ventilation can be performed properly without causing shortage, and comfort in ventilation of the bathroom is improved.

According to the invention of claim 6, in addition to the effect according to the invention of claim 5, the construction for exhausting the clothes dryer can be shared by the air intake passage of the bathroom without separately providing the equipment construction cost. .

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a multi-room ventilation device as an embodiment of the present invention.

FIG. 2 is a configuration diagram showing a configuration of a multi-room ventilation system as an embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a principle in controlling a constant air volume in the embodiment of the present invention.

FIG. 4 is a circuit configuration diagram of a control device according to an embodiment of the present invention.

FIG. 5 is a block configuration diagram relating to control of the electric damper in the embodiment of the present invention.

FIG. 6 is an explanatory view showing the ventilation effect in the bathroom of the embodiment of the present invention.

FIG. 7 is an explanatory view showing a ventilation effect in a bathroom and a washroom according to an embodiment of the present invention.

FIG. 8 is a configuration diagram showing a conventional multi-chamber ventilation device.

[Explanation of symbols]

 1 Air intake structure 2 Air intake structure 3 Air intake structure 4 Air blower 5 House 10 Toilet 11 Washroom 12 Bathroom 14 Washroom Air inlet 16 Open / close shutter 17 Open / close shutter 18 Bathroom air inlet 19 Bathroom air inlet 23 Blower 24 Clothes dryer 25 Exhaust connection port 26 Exhaust structure 27 Blower 28 Air volume adjusting plate 29 Air volume adjusting plate 30 Air volume adjusting plate 31 Electric damper 32 Electric damper 33 Electric damper 36 Differential pressure sensor 37 Setting means 38 Comparing means 39 Blower driving means 40 Damper control device 43 Switching means 44 Intake passage 45 Intake passage 46 Intake passage

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shin Shinozuka 1-3 Komaba-cho, Nakatsugawa-shi, Gifu Mitsubishi Electric Corporation Nakatsugawa Works

Claims (6)

[Claims] 1. A ventilation method for ventilating multiple chambers using a single air blower having a plurality of air intake structures, wherein each air intake structure of the air blower is arranged in parallel to allow individual air supply and air intake. The passages are individually communicated with each other, and for one of them, the air blower is controlled so that the air volume to the intake structure is constant, and the air volume to the other intake structures is controlled. A multi-room ventilation method characterized in that the air volume for each intake structure is individually adjusted by adjusting the ventilation area thereof. 2. Each of the intakes of an air blower including an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower that forms a ventilation flow from the intake structure side to the exhaust structure side. An air flow rate adjusting member for adjusting each ventilation area is provided for the structure, and a means for detecting the air flow rate flowing through the intake structure is provided for one of the intake structures, and the detected air flow rate is preset. A multi-room ventilator characterized in that the blower is controlled by a controller so as to match a target air volume. 3. Each of the intakes of a blower device including an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower forming a ventilation flow from the intake structure side to the exhaust structure side. An air volume adjusting member for adjusting each ventilation area is provided for the structure, and an electric damper that opens and closes and holds a small ventilation area even in a closed position is provided on the downstream side of the air volume adjusting member. The multi-chamber ventilation device is characterized in that means for detecting the air volume flowing through the intake structure is provided, and the blower is controlled so that the detected air volume matches a preset target air volume. 4. Each of the above-mentioned intakes of a blower including an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower that forms a ventilation flow from the intake structure side to the exhaust structure side. For the structure, an air volume adjusting member for adjusting each ventilation area is provided, and an electric damper that opens and closes and holds a small ventilation area even in the closed position is provided on the downstream side of the air volume adjusting member. On the other hand, a means for detecting the air volume flowing through the intake structure is provided, and the blower is controlled so that the detected air volume matches a preset target air volume, and the other two suction structures are respectively sucked. A multi-room ventilation system having a damper control means for individually communicating the bathroom and the washroom by a passage, and opening the other of the electric dampers of the two intake structures when one is closed. 5. Each of the above intakes of a blower including an exhaust structure for exhaust, a plurality of intake structures for intake, and a blower that forms a ventilation flow from the intake structure side to the exhaust structure side. For the structure, an air volume adjusting member for adjusting each ventilation area is provided, and an electric damper that opens and closes and holds a small ventilation area even in the closed position is provided on the downstream side of the air volume adjusting member. On the other hand, a means for detecting the air volume flowing through the intake structure is provided, and the blower is controlled so that the detected air volume matches a preset target air volume, and two of the other intake structures are respectively controlled by the intake passages. The bathroom is provided with a damper control means for communicating the upper part of the bathroom with a room capable of supplying air following the bathroom, and opening each of the electric dampers of the two intake structures when the other is closed. followed by A multi-chamber ventilation system having a structure in which two air supply ports, an upper side and a lower side, which can be opened and closed by an opening / closing shutter, are provided between the chambers. 6. The multi-room ventilation system according to claim 5, wherein the bathroom is provided with a clothes dryer having a blower having the bathroom as a drying chamber, and intake air is provided through an exhaust connection port of the clothes dryer. A multi-room ventilation system with one passage connected to the bathroom.