JPH10253106A - Indoor ventilating device and method for ventilation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively use temperature difference ventilation and improve energy efficiency by providing an indoor ventilator for ventilating from a first room to a second room, stopping the indoor ventilator when the temperature of the first room is higher than that of the second room and operating the indoor ventilator when the temperature of the first room is lower than that of the second room. SOLUTION: An indoor ventilator 1 is installed on a partition wall between adjacent first and second rooms. A temperature sensor 4 is attached to the first room and a temperature sensor 5 is attached to the second room. The output signals thereof are inputted to a control means 3. The control means 3 comprises an AC controller 31 and a microcomputer 32 so that it calculates the difference between the temperature detected by the temperature sensor 4 and the temperature detected by the temperature sensor 5 by the microcomputer 32, digitally convertes the calculated result and inputs the converted result to the AC controller 31. In case α-β=-5 deg.C or lower or within a range of -5 to 5 deg.C, the gain of a commercial power 6 is adjusted to rotate the inner ventilator 1. However, in case, α-β=10 deg.C or higher or within the range of 5 to 10 deg.C, the indoor ventilator 1 is stopped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an indoor ventilation device and a ventilation method.

[0002]

2. Description of the Related Art It is customary to ventilate a building by using a gap between a door and an opening. However, a vent provided with a vent (such as a rag) in the door to make it adjustable. It is known (see Japanese Utility Model Laid-Open No. Sho 56-110288). Further, Japanese Patent Application Laid-Open No. 1-182488 discloses a door device in which dampers, which are opened and closed by a humidity sensor, are provided above and below a door, and the interior space is always kept in a low humidity state. Furthermore, in Japanese Unexamined Utility Model Publication No. 2-68989, a ventilating fan attached to a door is also known.

[0003]

In the above-mentioned prior art, it is structurally difficult to secure a sufficient gap necessary for ventilation in a conventional door having no ventilation hole. When ventilating from the inside to the outside of a door with a vent,
If the room inside the door is lower than the outside of the door, such as a corridor, the temperature difference may cause the air to flow backward from the ventilation port, preventing proper ventilation. Further, in the case of a door to which a ventilation fan is attached, there is a problem that energy efficiency is poor because temperature difference ventilation is not effectively used.

The present invention has been made in view of the above-mentioned problems, and aims at solving these problems, effectively utilizing temperature difference ventilation, and improving energy efficiency. It is to provide a good indoor ventilation device and a ventilation method, and a door device and a door ventilation method.

[0005]

According to a first aspect of the present invention, there is provided an indoor ventilation fan installed in a partition between adjacent first and second rooms in a building and ventilating from the first room to the second room. An indoor ventilation device comprising: a detection unit that detects a temperature of an adjacent room; and a control unit that controls an operation of an indoor ventilation fan, wherein the control unit is configured such that the temperature of the first room is higher than the temperature of the second room. In such a case, means is provided for stopping the indoor ventilation fan and activating the indoor ventilation fan when the temperature of the first room is lower than or approximately equal to the temperature of the second room.

According to a second aspect of the present invention, there is provided a ventilation method in which a ventilation fan is provided in a partition between adjacent first and second rooms in a building, and ventilation is performed from the first room to the second room. When the temperature of one room is higher than the temperature of the second room, the indoor ventilation fan is stopped, and when the temperature of the first room is lower than or almost equal to the temperature of the second room, the indoor ventilation fan is operated. It is characterized by.

According to a third aspect of the present invention, there is provided a detecting means for detecting a temperature of an adjacent room, provided with vents at upper and lower portions of a partition between adjacent first and second rooms in a building,
An opening and closing control unit for controlling opening and closing of a vent, wherein the opening and closing control unit opens the upper vent when the temperature of the first room is higher than the temperature of the second room, When the temperature of the first room is lower than the temperature of the second room, means for closing the lower vent and opening the lower vent are provided.

According to a fourth aspect of the present invention, vents are provided at upper and lower portions of a partition between adjacent first and second rooms in a building, and the opening and closing of the vents are controlled to switch from the first room to the second room. A ventilation method for ventilating toward the first room, wherein when the temperature of the first room is higher than the temperature of the second room, the upper ventilation port is opened, the lower ventilation port is closed, and the temperature of the first room is reduced to the second room. When the temperature is lower than the temperature, the upper vent is closed and the lower vent is opened.

In the inventions according to the first to fourth aspects, the partition includes not only the partition wall but also doors, fittings such as shojis, etc. installed at the openings of the partition wall. Therefore, in the invention described in claim 1 or 2, the indoor ventilation fan may be installed on the partition wall, or may be installed on a fitting such as a door or a shoji. Further, in the invention according to claim 3 or 4, a door provided at the opening of the partition wall, a fitting such as a shoji, or the like is provided with a vent, or a partition provided with a vent in the partition wall. It may be.

[0010]

According to the first aspect of the present invention, when the temperature of the first room is higher than the temperature of the second room, the indoor ventilation fan is stopped and the temperature difference ventilation is effectively used. Energy efficiency. Further, when the temperature of the first room is lower than or substantially equal to the temperature of the second room, the indoor ventilation fan is operated, so that forced ventilation is performed from the first room to the second room, and insufficient ventilation can be prevented.

[0011] The indoor ventilation device according to the third aspect and the fourth aspect.
According to the described ventilation method, when the temperature of the first room is higher than the temperature of the second room, the upper ventilation port is opened and the lower ventilation port is closed, so that the ventilation volume from the first room to the second room increases. And better ventilation. When the temperature of the first room is lower than the temperature of the second room, the upper ventilation port is closed and the lower ventilation port is opened, and similarly, the ventilation volume from the first room to the second room increases. Ventilation improves.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show one embodiment of the present invention according to claims 1 and 2, wherein FIG. 1 is a system diagram of an indoor ventilation device, FIG. FIG. 3 is an explanatory view showing a ventilation path of a building.

As shown in FIG. 1, the indoor ventilator of this embodiment controls the operation of the indoor ventilating fan 1, detecting means (temperature sensors) 4, 5 for detecting the temperature of the adjacent room, and the indoor ventilating fan 1. The control means 3 comprises an AC controller 31 and a microcomputer 32. 7
Is a cable connecting the indoor ventilation fan 1 to the AC controller 31, 8 is a cable connecting the AC controller 31 and the microcomputer 32, 9 is a microcomputer 32 and the temperature sensor 4
Is a cable connecting the microcomputer 32 and the temperature sensor 5.

As shown in FIG. 2, the indoor ventilation fan 1 comprises:
Partition wall of the first and second rooms adjacent to each other (above door 2)
The temperature sensor 4 is attached to the first room, the temperature sensor 5 is attached to the second room, and the control means 3 is housed inside the partition wall.

The indoor ventilation fan 1 is a wall pass fan,
11 is a first room side, and 12 is a second room side. In this embodiment, the first room is a living room, and the second room is a hall. Reference numeral 13 denotes a ventilation pipe, in which a fan driven by an electric motor is incorporated, and is adapted to ventilate from the first room to the second room.

The microcomputer 32 calculates the difference between the temperature α detected by the temperature sensor 4 in the first room (living room) and the temperature β detected by the temperature sensor 5 in the second room (hall). The calculation result is converted into digital information, and a control signal is transmitted to the cable 8. For example, α-β = 10 ° C. or more, 5 ° C. to 10 ° C.,
If the temperature is between -5 ° C and 5 ° C and below -5 ° C, the control signal is 2bi
The information of t is “11”, “10”, “0”, respectively.
1 "and" 00 "are transmitted.

If α-β = −5 ° C. (when the temperature of the first room is lower than the temperature of the second room), a “00” signal is transmitted to control the AC controller 31. The AC controller 31 adjusts the gain of the commercial power supply 6 to rotate the indoor ventilation fan 1.

When α-β = −5 ° C. to 5 ° C. (when the temperature of the first room is substantially equal to the temperature of the second room), the controller sends an “01” signal to control the AC controller 31. AC
The controller 31 adjusts the gain of the commercial power supply 6 to rotate the indoor ventilation fan 1 slightly. As described above, the wind power of the indoor ventilation fan 1 is changed according to the temperature difference condition to create the optimum ventilation condition for the second room.

Α-β = 10 ° C. or more, 5 ° C. to 10 ° C. (when the temperature of the first room is higher than the temperature of the second room)
By transmitting “11” and “10” signals, the AC controller 31 is controlled. At this time, the AC controller 31 stops the indoor ventilation fan 1.

Next, a ventilation method using the above-described indoor ventilation device will be described with reference to FIG. The building shown in FIG. 3 is a two-story building, T1 is a centralized ventilation fan, T2 is an air supply port, and outdoor air is introduced from the air supply port T2, and the first floor is the first floor.
Room T4 (1st floor living room) and 2nd floor first room T3 (2nd floor living room)
, Through the second room T5 (hall), the centralized ventilation fan T1
Is ventilated outdoors.

The indoor ventilation fans 1, 1 are installed on the partition wall between the living room T4 on the first floor and the hall T5, and on the partition wall between the living room T3 and the hall T5 on the second floor. An arrow Y1 indicated by a solid line is a ventilation path by the indoor ventilation fan 1.

Normally, the first floor living room T4 and the second floor living room T3 in summertime
Is cooled, and when the room temperature is lower than that of the hall T5, the temperature sensors 4 and 5 detect the room temperature and the indoor ventilation fans 1 and 1
Is operated to ventilate the ventilation path in the direction of arrow Y1.

In the winter, the first floor living room T4 and the second floor living room T3 are heated, and if the room temperature is higher than that of the hall T5,
The temperature sensors 4 and 5 detect and stop the indoor ventilation fans 1 and 1, and the ventilation is performed in the ventilation path in the direction of arrow Y1 utilizing the natural phenomenon of temperature difference ventilation.

On the other hand, if the indoor ventilation fan 1 is not provided and only the open passage is provided, the air path Y2 indicated by the dotted arrow is provided.
Air flows easily in the direction of. That is, the high temperature hole T
It becomes easier for the air to flow from the 5 side to the lower temperature room T3, T4 side. Therefore, introduction of outside air from the air supply port T2 is hindered by the influence of the air path Y2. In particular, in the second floor living room T3, the air supply port T2 is located at a high position, so that insufficient ventilation is likely to occur.
There is also a method of increasing the capacity of the centralized ventilation fan T1 in order to solve the insufficient ventilation, but the ventilation efficiency is deteriorated, such as an increase in the draft of the hall T5 and an increase in the operation noise of the centralized ventilation fan T1.

Next, another embodiment of the present invention according to claims 3 and 4 will be described with reference to FIGS. 4 is an explanatory diagram of the indoor ventilation device, FIG. 5 is a system diagram of the indoor ventilation device, and FIG. 6 is an explanatory diagram showing a ventilation method using the indoor ventilation device.

As shown in FIG. 4, the indoor ventilating apparatus of this embodiment has vents 1A and 2A at the upper and lower portions of a door 3A installed at the opening of the partition wall, and adjusts the temperature of the adjacent room. Detecting means (temperature sensor) 4A, 5 for detecting
A and an opening / closing control means 14A (microcomputer) for controlling the opening / closing of the vents 1A and 2A. The opening / closing control means 4A is provided when the temperature of the first room is higher than the temperature of the second room. Open the upper vent 1A, lower vent 2
A, when the temperature of the first room is lower than the temperature of the second room, the upper vent 1A is closed and the lower vent 2A is closed.
Is provided.

FIG. 5 shows a specific example of the opening / closing mechanism of the vents 1A and 2A. The temperature α detected by the temperature sensor 4A installed in the first room (living room) and the second
The microcomputer 14A calculates the difference between the temperatures β detected by the temperature sensors 5A installed on the room (hall) side.

The calculation result is converted into digital information, and a control signal is transmitted to the cable 20a. For example, α−β = 1
If the temperature is 0 ° C. or higher, 5 ° C. to 10 ° C., −5 ° C. to 5 ° C., and −5 ° C. or lower, the control signal is “1” as 2-bit information.
1 "," 10 "," 01 ", and" 00 "are transmitted.

If α-β = 12 ° C., a signal “11” is transmitted to rotate the gear-type stepping motor 17A so that the shutter 10A opens. Conversely, the stepping motor 18A rotates so that the shutter 11A closes. As described above, the opening and closing patterns of the shutters 10A and 11A are changed according to the temperature difference condition, so that the optimal ventilation condition of the living room can be created. Reference numerals 12A and 13A denote ventilation holes, and 19A denotes a shutter stroke pressing plate.

Next, a ventilation method using the above-described indoor ventilation device of the present embodiment will be described with reference to FIG. The building shown in FIG. 6 is a two-story building, T1 is a centralized ventilation fan, T2
Is an air supply port, and outdoor air is introduced from the air supply port T2, and the first room T4 on the first floor (living room on the first floor) and the first room T3 on the second floor.
After passing through the (room on the second floor), the room is ventilated outdoors by the centralized ventilation fan T1 through the second room T5 (hall).

The opening from the living room T4 on the first floor to the hall T5 and the opening from the living room T3 on the second floor to the hall T5 are:
A door 3A is provided. This door 3A corresponds to FIG.
As shown in FIG. 1, vents 1A and 2A are provided at the upper and lower portions. An arrow Y3 indicated by a solid line is a ventilation path.

Normally, the first floor living room T4 and the second floor living room T3 in the winter season
Is heated, and when the room temperature is higher than that of the hall T5, the temperature sensors 4A and 5A detect and detect the upper vent 1
A is opened, the ventilation path in the direction of arrow Y3 is ventilated, and the lower vent 2A is closed.

Then, the hole T5 in the direction of the dotted arrow Y4
Since there is no air introduction from the outside, the introduction of outside air from the air supply port T2 can be increased, and insufficient ventilation can be eliminated. There is also a method of increasing the air volume of the centralized ventilation fan T1 in order to solve the insufficient ventilation, but it causes a problem that the draft in the hall T5 increases and the operation noise of the ventilation fan increases.

In the summer, when the rooms T3 and T4 are cooled, the temperatures of the rooms T3 and T4 become lower than those of the hall T5. In this case, the temperature sensors 4A and 5A detect the temperature of the upper vent 1A. Close and open the lower vent 2A. Then, for the same reason as in the case of the summer, the introduction of outside air from the air supply port T2 can be increased, and insufficient ventilation can be eliminated.

[0035]

According to the first aspect of the present invention, when the temperature of the first room is higher than the temperature of the second room, the indoor ventilation fan is stopped, and the temperature difference ventilation is performed. It is energy efficient because it is used effectively. When the temperature of the first room is lower than or almost equal to the temperature of the second room, the indoor ventilation fan is operated.
Forced ventilation from the room to the second room can prevent insufficient ventilation.

[0036] The indoor ventilation device according to claim 3 and a fourth aspect.
According to the described ventilation method, when the temperature of the first room is higher than the temperature of the second room, the upper ventilation port is opened and the lower ventilation port is closed, so that the ventilation volume from the first room to the second room increases. And better ventilation. When the temperature of the first room is lower than the temperature of the second room, the upper ventilation port is closed and the lower ventilation port is opened, and similarly, the ventilation volume from the first room to the second room increases. Ventilation improves.

[Brief description of the drawings]

FIG. 1 is a system diagram of an indoor ventilation device.

FIG. 2 is an explanatory diagram showing an attached state of an indoor ventilation device.

FIG. 3 is an explanatory diagram showing a ventilation path of a building.

FIG. 4 is an explanatory diagram of an indoor ventilation device.

FIG. 5 is a system diagram of an indoor ventilation device.

FIG. 6 is an explanatory diagram showing a ventilation method using an indoor ventilation device.

[Description of Signs] 1 indoor ventilation fan 2 door 3 control means 4, 5 detection means (temperature sensor) T1 centralized ventilation fan T2 air supply port T3, T4 first room (living room) T5 second room (hall) 1A, 2A ventilation port 3A door 4A, 5A detecting means (temperature sensor) 6A opening / closing control means

Claims (4)

[Claims] 1. An indoor ventilation fan which is installed in a partition between adjacent first and second rooms in a building and ventilates from the first room to the second room, and a detecting means for detecting a temperature of the adjacent room; An indoor ventilation device comprising: a control unit that controls an operation of an indoor ventilation fan, wherein the control unit stops the indoor ventilation fan when a temperature of the first room is higher than a temperature of the second room; When the temperature is lower than or substantially equal to the temperature of the second room, the indoor ventilation device is provided with means for operating the indoor ventilation fan. 2. A ventilation method in which a ventilation fan is installed in a partition between adjacent first and second rooms in a building, and ventilation is performed from the first room to the second room, wherein the temperature of the first room is the second room. A ventilation method comprising: stopping the indoor ventilation fan when the temperature is higher than the room temperature; and activating the indoor ventilation fan when the temperature of the first room is lower than or substantially equal to the temperature of the second room. 3. A ventilation means provided at upper and lower portions of a partition between adjacent first and second rooms in a building, detecting means for detecting a temperature of an adjacent room, and opening / closing control for controlling opening / closing of the ventilation holes. Means for opening and closing the lower vent when the temperature of the first room is higher than the temperature of the second room. If the room temperature is lower than the second room temperature,
An indoor ventilation system comprising means for closing the upper vent and opening the lower vent. 4. A ventilation method for providing ventilation holes at upper and lower portions of a partition between adjacent first and second rooms in a building and controlling opening and closing of the ventilation holes to ventilate from the first room to the second room. When the temperature of the first room is higher than the temperature of the second room, the upper vent is opened and the lower vent is closed, and when the temperature of the first room is lower than the temperature of the second room, A ventilation method, wherein the upper vent is closed and the lower vent is opened.