JP3439984B2 - Kitchen ventilation equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a kitchen ventilation device for ventilating a kitchen by a kitchen ventilation fan installed above a kitchen stove and a continuously operating ventilation fan separately provided in the kitchen.

[0002]

2. Description of the Related Art In recent years, in air-tight and highly heat-insulated houses, a ventilation device for constantly ventilating the whole house at a low air volume is required, and even in kitchen ventilation, oil smoke rising from the range is exhausted. There is an increasing demand for constant ventilation when the kitchen ventilation fan is not used.

Conventionally, as this type of kitchen ventilation device, FIG.
The one shown in was known. The configuration will be described below with reference to FIG.

As shown in FIG.
A natural air supply port 104 is provided on the outer wall 103 of the dining room 102, a bathroom ventilation fan 106 is provided at the bathroom 105, and a local ventilation fan 108 having a ventilation volume of 25 m ³ / hour during continuous ventilation operation is provided at the washroom 107. The toilet 109 is provided with a local ventilation fan 110 that provides a ventilation volume of 25 m ³ / hour during constant ventilation operation, and the kitchen 111 is operated above the range 112 during operation 60.
0 m ³ / when ventilation become kitchen ventilators 113 always ventilation operation at 100 m ³ / when in conjunction with the continuously operating the ventilating fan 114 and kitchen ventilators 113 to open and close, the air supply interlocking the shutter to form the air supply port 115 Was provided.

The local ventilation fan 108 provided in the washroom 107, the local ventilation fan 110 provided in the toilet 109, and the continuous operation ventilation fan 114 of the kitchen 111 perform continuous ventilation operation, and the living room 101 and the living / dining room 10 are operated.
The outside air is supplied from the natural air supply port 104 provided in No. 2, and in the drawing, the number of ventilations from the south side to the north side is set to 0.
There was airflow about 5 times / hour, and there was constant ventilation.

[0006]

In such a conventional ventilation system for a house, the normal ventilation is 120 m ²
In this house, the ventilation volume is equivalent to the air volume of 150 m ³ / hour, but when the kitchen ventilation fan 113 is operated during cooking, the ventilation volume at this time is 1
In addition to 50m ³ / hour, ventilation volume of kitchen ventilation fan 113 is 60
0 m ³ / h is applied across be 750 meters ³ / ventilation time, becomes ventilation excessive, by becoming much ventilation power generation and kitchen 111 cold draft in winter, contaminated air toilet 107 and the toilet 109 kitchen There was a problem of backflow to 111.

Further, in the kitchen 111, a kitchen ventilation fan 113, an air supply interlocking shutter 115 and a constant operation ventilation fan 114 are provided.
There was a problem that three devices had to be attached.

The present invention solves the above-mentioned problems, and is a ventilation system for a kitchen, which has a small number of equipment to be installed, which can prevent cold draft in winter and prevent backflow of contaminated air from a dirty zone such as a washroom or a toilet to the kitchen. The purpose is to provide.

[0009]

A kitchen ventilator of the present invention is provided in a kitchen of a house provided with an automatic ventilation fan provided in a washroom, a toilet and the like and a natural air supply port provided in a wall portion of a living room or the like. A continuous operation ventilation fan, and a kitchen ventilation fan provided above the range and provided with a shutter for preventing backflow that exhausts oil smoke generated from the range, and a control for controlling the operation of the kitchen ventilation fan and the constant operation ventilation fan. Means for operating the constant operation fan when the operation of the kitchen ventilation fan is stopped by the control means, and stops the operation of the constant operation fan when the kitchen fan is operating, and the ventilation port of the constant operation fan. Is a natural air supply port.

According to the present invention, it is possible to provide a kitchen ventilator having a small number of installed equipments, which can prevent cold draft in winter and prevent backflow of contaminated air from a dirty zone such as a washroom or a toilet to the kitchen. it can.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is applied to a kitchen of a house provided with an automatic ventilation fan provided in a washroom, a toilet, etc. and a natural air supply port provided in a wall part of a living room, etc. A continuous operation ventilation fan provided, a kitchen ventilation fan provided above the range with a shutter for preventing backflow to exhaust oil smoke generated from the range, and a control for controlling the operation of the kitchen ventilation fan and the constant operation ventilation fan Means for operating the constantly operating ventilation fan when the operation of the kitchen ventilation fan is stopped by the control means, when the operation of the kitchen ventilation fan is stopped to stop the operation of the constant operation ventilation fan, the ventilation port of the constant operation ventilation fan This is a configuration of a kitchen ventilation device with a natural air supply port, and when the kitchen ventilation fan is operating, the operation of the continuous operation ventilation fan provided in the kitchen is stopped, Only the ventilation flow induced by the kitchen ventilation fan will be generated, and the contaminated air from the washroom or toilet will not be attracted, and the ventilation port of the continuous operation ventilation fan provided near the kitchen ventilation fan will be naturally supplied. It becomes an air vent, and the outside air is supplied to the kitchen, which reduces the amount of air supplied from other places in the house, prevents cold drafts in the winter, and from dirty zones such as washrooms and toilets. This has the effect of preventing backflow of contaminated air into the kitchen.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) As shown in FIGS. 1 to 4, a natural air inlet 5 with a filter is provided in a living room 2 in a house 1 or an outer wall 4 of a living / dining 3, and a bathroom ventilation fan 7 is provided in a bathroom 6. The toilet 8 is provided with a humidity sensor (not shown), the automatic ventilation fan 9 is automatically operated when the humidity is higher than the set humidity, and the toilet 10 is provided with a temperature sensor and a human sensor (not shown). When a person enters the toilet 10 when the temperature inside the toilet 10 is low, the operation is stopped and
After going out of the room, the automatic ventilation fan 11 is operated for a predetermined period of time, and when a person is in a high temperature, the operation is strong, and when there is no person in the room, a constant ventilation operation with a low air volume is performed.
And a kitchen ventilation fan 14 provided with a shutter (not shown) for preventing backflow installed above the range 13 in the kitchen 12, and a constantly operating ventilation fan 15 are provided.
When the operation of No. 4 is stopped, the constant operation ventilation fan 15 is operated, and when the kitchen ventilation fan 14 is operated, the control means 16 for stopping the operation of the constant operation ventilation fan 15 is provided, and the constant operation ventilation fan 15 is provided.
The ventilation port (not shown) of the above is used as a natural air supply port.

In the above construction, the natural ventilation fan 9 provided in the washroom 8 when the kitchen ventilation fan 14 is not in operation.
And the automatic ventilation fan 11 provided in the toilet 10 constantly ventilates, and the constantly operating ventilation fan 15 provided in the kitchen 12 constantly ventilates the entire house 1 at a low air volume, and the air flow in the house 1 is exhausted by the flow of the arrow. Ventilation of the washroom 8, the toilet 10 and the kitchen 12 is performed, and the air in the living room 2 and the living / dining 3 is supplied with a negative pressure, and dust is discharged from the natural air inlet 5 with a filter provided on the outer wall 4. The outside air containing pollen and pollen is supplied and the fresh outside air filtered by the filter is supplied to the living room 2 and the living / dining 3 to ventilate the entire house 1.

When the kitchen ventilation fan 14 is operated during cooking, the control means 16 stops the operation of the constant operation ventilation fan 15 provided in the kitchen 12, and the ventilation port of the constant operation ventilation fan 15 becomes a natural air supply port, so that the kitchen 12 is operated. In the inside, only the ventilation flow attracted by the kitchen ventilation fan 14 is generated, and the contaminated air is not attracted from the washroom 8 and the toilet 10.

Further, the constantly operating ventilation fan 15 provided in the vicinity of the kitchen ventilation fan 14 serves as a natural air supply port, and the outside air is supplied to the kitchen 12 so that it can be supplied from other places in the house 1. Will reduce the air supply.

As described above, according to the kitchen ventilation device of the first embodiment of the present invention, the control means 1 for controlling the operation of the kitchen ventilation fan 14 and the constantly operating ventilation fan 15 provided in the kitchen 12.
6 operates the constant operation ventilation fan 15 when the kitchen ventilation fan 14 is stopped, and stops the operation of the constant operation ventilation fan 15 when the kitchen ventilation fan 14 is operating to form a natural air supply port. The air supply from the place is eased, cold draft is prevented in winter, and the dirty zone such as the washroom 8 and toilet 10 moves from the kitchen 12 to the kitchen 12.
It is possible to obtain a kitchen ventilator with less equipment to be installed in the kitchen 12 that can prevent backflow of contaminated air into the kitchen 12.

(Embodiment 2) As shown in FIG. 5, an operating terminal 17 of the constantly operating ventilation fan 15 and an operating terminal 18 of the kitchen ventilation fan 14 are provided, and a terminal changeover switch 19 for switching to the operating terminal 17 or 18 is provided, A power supply switch 20 for turning on / off the power supply is connected to the terminal changeover switch 19 to configure the control means 16A.

In the above structure, the power switch 2 is normally used.
When 0 is set to ON, the terminal changeover switch 19 is connected to the operation terminal 17 of the constant operation ventilation fan 15 and
When the kitchen ventilation fan 14 is operated during cooking, by switching the terminal changeover switch 19 to the operation terminal 18, the connection with the operation terminal 17 is cut off, the operation of the constant operation ventilation fan 15 is stopped, and the kitchen ventilation fan 14 is operated. Only driven.

Further, by switching the power switch 20 to the off side at the time of maintenance or the like, the operation of the constantly operating ventilation fan 15 and the kitchen ventilation fan 14 is stopped. In this state, even if the terminal changeover switch 19 is switched to the operation terminal 17 or 18, the continuous operation ventilation fan 15 and the kitchen ventilation fan 14 are not operated, which is safe.

As described above, according to the kitchen ventilator of Embodiment 2 of the present invention, the operation terminal 17 of the constant operation ventilation fan 15 is used.
Alternatively, since the power source switch 20 is connected to the terminal changeover switch 19 for switching to the operation terminal 18 of the kitchen ventilation fan 14, a kitchen ventilation device provided with the control device 16A which is easy to operate and inexpensive can be obtained.

[0021]

As is apparent from the above embodiments,
According to the present invention, an automatic ventilation fan provided in a washroom, a toilet, etc. and a continuous exhaust ventilation fan provided in a kitchen of a house provided with a natural air supply port provided in a wall portion of a living room, etc. are provided above a range. A kitchen ventilation fan provided with a backflow prevention shutter for exhausting oil smoke and the like generated from the range, and a control means for controlling the operation of the kitchen ventilation fan and the constant operation ventilation fan, the kitchen ventilation fan by the control means. When the operation is stopped, the constant operation fan is operated, when the kitchen fan is operated, the operation of the constant operation fan is stopped, and the ventilation port of the constant operation fan is set as a natural air supply port. (EN) A ventilation device for a kitchen, which can prevent and prevent backflow of polluted air from a dirty zone such as a washroom or a toilet to the kitchen.

Further, since the control means is composed of the terminal changeover switch for switching to the operation terminal of the constant operation ventilation fan or the operation terminal of the kitchen ventilation fan and the power switch connected to this terminal changeover switch, the operation is easy and inexpensive. A ventilation system for the kitchen provided with control means is obtained.

[Brief description of drawings]

FIG. 1 is a schematic sectional view of a house showing a configuration of a kitchen ventilation device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a ventilation device of the kitchen.

FIG. 3 is a cross-sectional view of the kitchen showing the flow of airflow during operation of the constant operation ventilation fan of the ventilation device of the kitchen.

FIG. 4 is a sectional view of the kitchen showing the flow of airflow during operation of the kitchen ventilation fan of the kitchen ventilation device.

FIG. 5 is an electric circuit diagram showing a configuration of a control device for a kitchen ventilation device according to a second embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of a house showing the configuration of a conventional kitchen ventilation device.

[Explanation of symbols]

1 house 2 living room 4 outer wall 5 Natural air supply 8 washrooms 9 Automatic ventilation fan 10 toilets 11 Automatic ventilation fan 12 kitchen 13 ranges 14 Kitchen ventilation fan 15 Regular operation ventilation fan 16 Control means 16A control means 17 Driving terminal 18 Driving terminal 19 terminal changeover switch 20 power switch

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) F24F ^7/ 00-7/007

Claims (2)

(57) [Claims] 1. A continuous operation ventilation fan provided in a kitchen of a house provided with an automatic ventilation fan provided in a washroom, a toilet, etc. and a natural air supply port provided in an outer wall of a living room, etc., and a range provided above the range. A kitchen ventilator equipped with a backflow prevention shutter that exhausts oil smoke generated from the
The kitchen ventilation fan and a control unit for controlling the operation of the constant operation ventilation fan are provided, and the control unit operates the constant operation ventilation fan when the operation of the kitchen ventilation fan is stopped, and the constant operation when the kitchen ventilation fan is in operation. A ventilation device for a kitchen, in which the operation of the ventilation fan is stopped and the ventilation port of the constantly operating ventilation fan is used as a natural air supply port. 2. The ventilation of the kitchen according to claim 1, wherein the control means is constituted by a terminal changeover switch for changing over to an operation terminal of the constantly operating ventilation fan or an operation terminal of the kitchen ventilation fan, and a power switch connected to the terminal changeover switch. apparatus.