JP2001241718A - Countertop ventilation system - Google Patents

Abstract

(57) [Summary] [Problem] An easy-to-use cooktop ventilation system that can be used as a face-to-face kitchen with a large face-to-face space by preventing the front and back of the cooking workbench of the heating cooker from being blocked by each duct and having no feeling of oppression. The purpose is to obtain. SOLUTION: The cooking work table having a heating cooker disposed in a kitchen room or the like, and an exhaust blower installed on one of the right and left sides of the cooking work table and for sucking air on the heating cooker are provided. An exhaust duct, and a discharge nozzle which is installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and which blows air to a suction port of the exhaust duct. An air supply duct having a built-in blower, wherein the ducts do not block the front and back of the cooking workbench of the cooking device so that people can face each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a worktop ventilation system for ventilating a kitchen.

[0002]

2. Description of the Related Art In a conventional cooking table ventilation system,
Combustion exhaust gas, oil smoke, water vapor,
In order to discharge odors and the like outside the room, a range hood fan is installed above the gas heating cooker, and ventilation and exhaust are performed by operating the range hood fan. Also, combustion exhaust gas,
In order to improve the efficiency of collecting exhaust gas such as oil smoke, water vapor, and odor, a large hood and a large capacity fan, for example, 400 to
An exhaust fan of about 600 m ³ / h was used.

[0003] In addition, in the kitchen, in addition to the gas heating cooker, a dish dryer for drying the washed dishes, a fan used in a hot summer season, and a foot heater used in a cold winter season. Also, various devices for cooling hot cooked food were provided.

A typical example of such a conventional cooking-stand ventilation system is disclosed, for example, in Japanese Examined Patent Publication No. Hei 8-22248, and FIG. 9 is a schematic longitudinal sectional view of a typical example of an electric cooking device for a kitchen. As shown in FIG. 1, an electric heating cooker 1 is provided on a heating and cooking support base 2 to constitute a cooking work table 5, and an air supply port and an air supply fan are provided at the bottom of the cooking work table 5. 29 is provided to penetrate the floor 9 of the building to exhaust air.

Further, a rising edge 10 is provided at the front edge of the upper surface of the cooking table 5, and the rising edge 10 is formed of a channel material having a downward U-shaped cross section. Open to the inner space of
A long slit-shaped air outlet 11 in the longitudinal direction of the side surface of the cooking device at the rising edge 10 of the cooking table 5 is arranged over the entire width of the electric cooking device top plate 14.

A movable fin 12 is provided behind the air outlet 11 and a fin angle adjusting lever 13 is provided at one end of the movable fin 12. The tip of the fin angle adjusting lever 13 is exposed outside the front edge of the rising edge 10. ing.

[0007] Further, an exhaust duct 25 having a width corresponding to the width of the electric heating cooker top plate 14 along the inner side surface of the wall 8.
The exhaust duct 25 is provided at its upper end with an exhaust port 28 that is 0 cm to 40 cm higher than the air outlet 11, and the filter 21 and the louver 20 are detachably attached to the exhaust port 28.

The exhaust duct 25 is drawn into the support base 2 and connected to an exhaust case 26 provided inside the support base 2.
Is connected to a discharge port 27 penetrating through, and a ventilation fan 19 is provided in the discharge port 27 to exhaust air.

Next, this operation will be described. First,
When cooking on the electric cooker top plate 14, the air outlet 11 is operated by operating the fin angle adjusting lever 13.
When the ventilation fan 19 and the air supply fan 29 are driven after adjusting the opening degree of the air, the air sucked from the air inlet 7 is
After passing through the inside of the cooking worktable 5, the air flows from the air blow-out port 11, passes over the electric heating cooker top plate 14, and further flows to the upper exhaust port 28, forming an air screen-like flow (a).

That is, in the air flow (a) in the form of an air screen, the angle of the blow-out fins is adjusted by the fin angle adjusting lever 13 so that the air adjacent to each other influences each other, causing laminar flow and turbulence. The steam flows, smoke, gas, and odor generated during cooking on the electric cooker top plate 14 which covers the upper surface of the cooking work table 5 including the electric cooker top plate 14. And the like are placed in the flow, moved to the exhaust port 28, and discharged from the exhaust port 28 through the exhaust duct 25 to the outside of the room together with the air at the blowout port 11.

Therefore, in a structure in which such an air screen-shaped air flow is blown toward the exhaust port 28 above the blow port, the rising air flow of the object to be heated due to the heat of the electric heating cooker and the turbulence described above. In consideration of the flow, it is necessary to increase the blowing wind speed in order to surely guide the steam, smoke, gas, odor oil, etc. generated during the cooking to the exhaust port 28 and discharge it. Large air volume ventilation (about 400 to 600 m ³ / h) is indispensable.

As a result, a large amount of air in the kitchen room is blown out of the room, and outside air is sucked into the kitchen from the air supply opening 7 by the amount of the blown air. It is necessary to additionally cool the inside of the kitchen by that much, and in the cold winter season, it becomes necessary to additionally heat it.

[0013]

As described above,
In a conventional cooking stove ventilation system, there is a problem that an exhaust duct is provided over the entire length of the cooking stall at the front of the cooking stall, so that it is not suitable for a face-to-face kitchen stove.

Further, since the air supply / exhaust volume is large, there is a problem that the air blowing noise is loud, and when the kitchen is not cooled or heated, the summer becomes hot and humid and the winter becomes cold. In addition, when cooling and heating the inside of the kitchen, there is a problem that extra energy for cooling and heating is required and energy consumption is increased.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has as its object to provide an easy-to-use worktop ventilation system that can be used as a face-to-face kitchen that has a large face-to-face space and has no feeling of oppression.

It is another object of the present invention to provide a worktop ventilation system that is quiet and energy efficient.

It is another object of the present invention to provide an easy-to-use cooking stove ventilation system in which a supply / exhaust system can be changed according to a use state or a season (outside air temperature).

[0018]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a cooking workbench, which is disposed in a kitchen room or the like and has a heating cooker, on one of right and left sides of the cooking workbench. An exhaust duct that is installed and has an exhaust blower that sucks in air on the heating cooker; and an exhaust duct that is installed on the other side on the left and right so as to face the exhaust duct and the cooking workbench. An air supply duct having a blower nozzle for blowing air to a suction port of the duct, and an air supply blower incorporated therein, so that the ducts do not block the front and back of the cooking workbench of the heating cooker. In this way, people can meet each other.

A cooking workbench, which is disposed in a kitchen room or the like and has a heating cooker, and an exhaust blower which is installed on one of the left and right sides of the cooking worktable and inhales air on the heating cooker. An exhaust duct having a discharge nozzle, which is installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blows air to a suction port of the exhaust duct. An air supply duct having a built-in air blower, wherein a blow nozzle of the air supply duct is arranged at a height equal to or higher than a suction port of the exhaust duct, and blows air from the blow nozzle downward. The rising object airflow of the object to be heated on the heating cooker is guided substantially parallel to the suction port of the exhaust duct.

Further, a cooking work table having a heating cooker disposed in a kitchen room or the like, and an exhaust blower installed on one of the left and right sides of the cooking work table for sucking air from the heating cooker are provided. An exhaust duct having an air supply blower installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blowing air to a suction port of the exhaust duct. An air supply duct communicating with the outside air, the air supply duct being connected to a suction side of the air supply blower, and an indoor communication duct communicating with the kitchen room, and a connection between the indoor communication duct. And an air supply switching device for switching the air supplied by the air supply blower to be supplied from the kitchen room and / or the outside air.

Further, a cooking work table having a heating cooker, which is disposed in a kitchen room or the like, and an exhaust blower which is installed on one of the left and right sides of the cooking work table and inhales air on the cooking device, is provided. And an air supply blower that is installed on the other side of the left and right sides so as to face the air discharge duct with the cooking work table interposed therebetween and that blows air to a suction port of the air discharge duct. An exhaust duct for treating dirt of air in the duct and supplying the treated air to the kitchen room.

Further, a cooking work table having a heating cooker, which is disposed in a kitchen room or the like, and an exhaust blower installed on one of the left and right sides of the cooking work table for sucking air on the heating cooker, are provided. An exhaust duct communicating with the outside air, and a supply duct installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and for blowing air to a suction port of the exhaust duct. An air supply duct having an air blower, wherein the exhaust duct is connected to the outlet side of the exhaust blower, and is provided in the exhaust circulation duct, which communicates with the kitchen room. ,
A regeneration processing device for treating moisture, odor, and the like of air in the duct, and a connection part of the exhaust circulation duct, wherein the air blown by the exhaust blower is supplied to the outside and / or the kitchen room. An exhaust switching device for switching to
It is provided with.

[0023] Further, a filter is detachably attached to the suction port of the exhaust duct to remove dirt from the air sucked into the duct.

Further, the control means drives the exhaust blower when an odor sensor provided in the kitchen room detects a predetermined odor or more.

Further, the control means is provided in the air supply duct, and is cooled by blast air of the air supply blower.

Further, only the exhaust blower can be operated by the operation panel regardless of the operation of the heating cooker.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Embodiment 1 of the present invention will be described with reference to FIGS. Note that FIG.
FIG. 2 is a perspective view schematically showing the external configuration of a face-to-face kitchen, and FIG. 2 is a detailed internal perspective view thereof. As shown in FIG. 1, an electric heating cooker 52 and a sink 53 for washing dishes are incorporated in a cooking work table 51 of a kitchen 50, and a wall cabinet 54 is attached above the cooking table 52.

Further, the kitchen 5 is sandwiched between the cooking work table 51.
The living room 55 communicates with the other side of the cooking work table 51, and on the cooking work table 51, the inlet side exhaust duct 6 of the cooking table ventilation system is provided.
9, an exhaust box 56 is located on the kitchen wall side, and the exhaust inlet 57 of the exhaust box 56 is connected to an electric heating cooker 52 as a heating cooker. Is opposed to the blowing nozzle 58.

As shown in FIG. 2, one end of the suction side air supply pipe 60 penetrates through the kitchen floor 61 and communicates with the outside air, and the other end is connected to the air supply blower 63. The other end of 63 is connected to an outlet side air supply pipe 64. The outlet side air supply pipe 64 is provided with a blowing nozzle 58 for blowing fresh outside air above the pot 65 of the cooking table 51 so as to be positioned higher than the lower end of the exhaust suction port 57 of the exhaust box 56. .

Further, at one end of the inlet side exhaust duct 69,
An exhaust box 56 having an exhaust inlet 57 is connected,
An exhaust fan 70 is connected to the other end. Further, an outlet-side exhaust duct 71 penetrating the floor 61 and the like and communicating with the outside is connected to the exhaust blower 70. A filter 67 is provided at an exhaust suction port 57 of the exhaust box 56, and a tank (oil receiver) 68 is provided at the bottom of the filter 67.

The operation of the cooking stove ventilation system configured as described above will be described. First, when the cooking is performed by placing the pot 65 on the electric heating cooker 52, the air supply blower 63 and the exhaust air blower 70 are operated, and fresh air is sucked from outside through the air supply pipes 60 and 64. It blows out from the exhaust ducts 69 and 71 while doing so.

At this time, since the air is blown out from the blow-out nozzle 58 toward the lower end of the exhaust suction port 57 below, in other words, the air or the pot 65 which rises due to the heat energy of the electric heating cooker 52 is heated. As a result, the fresh air blown out from the blow-out nozzle 58 is sucked in a substantially horizontal state in the vicinity of the exhaust inlet 57 from the relationship of the wind vector. Become.

Therefore, from the blowing nozzle 58, for example,
With a small air volume (50 m ³ / h) of about 1/10 or less of the conventional level, a fresh thin film air stream (b) is blown out so as to cover the upper side of the pan of the cooking work table 51,
Updraft of exhaust (c) such as water vapor and odor (wind speed 1m /
While suppressing s), the flow of the exhaust gas (c) is carried on the thin film air flow (b) and is guided to the exhaust suction port 57 in a substantially horizontal state.

In this state, the blowing nozzle 58
Is determined by the exhaust gas rising wind speed (approximately 1 m / s), the diffusivity with respect to the reaching distance, the blowing angle, and the like. If the outlet area is determined, the blowing air volume is also determined.

Next, the exhaust gas (c) guided to the exhaust gas suction port 57 is filtered by the filter 6 by the suction force of the exhaust blower 70.
7, after the oil and the like are purified as shown in FIG.
The air is exhausted outside through the exhaust ducts 69 and 71. The oil or the like collected by the filter 67 is stored in an insertable / removable tank (oil receiver) 68, and is periodically cleaned and removed. Note that this filter 67 is attached to the suction port of the exhaust duct also in the following embodiments.

Also, as shown in FIG. 1, the exhaust duct and the air supply duct do not block the front and rear of the cooking work table of the heating cooker 52 by such an operation, so that the space facing the person is reduced. Because it becomes bigger, it becomes a face-to-face kitchen without feeling of pressure.

As described above, a cooking workbench having a heating cooker, which is disposed in a kitchen room or the like, and which is installed on one of the left and right sides of the cooking worktable, sucks air on the heating cooker. An exhaust duct having an exhaust blower, a blow nozzle that is installed on the other side on the left and right sides to face the exhaust duct and the cooking workbench, and blows air to a suction port of the exhaust duct. An air supply duct having a built-in air supply blower, and the front and back of the cooking workbench of the heating cooker is not blocked by the respective ducts so that a person can face each other. Since the space is large, an easy-to-use countertop ventilation system that can be used as a face-to-face kitchen without feeling of pressure can be obtained.

Further, the blowing nozzle 58 is connected to the exhaust suction port 57.
And fresh air is blown out from the blow-out nozzle 58 toward the exhaust inlet 57, so that the air that has risen due to the heat energy of the electric heating cooker 52, which is a heating cooker, is provided. The exhaust gas (c) generated from the pan 65 flows into the exhaust suction port 57 while being held down, and becomes substantially horizontal in the vicinity of the exhaust suction port 57, so that the air is generated from the pan 65 with a small amount of blown air. An economical cooktop ventilation system for treating exhaust (c) is obtained.

Embodiment 2 In the second embodiment, as shown in FIG. 3 or FIG. 4, the indoor communication duct 73 communicating with the room is connected to the suction side so that the air blown from the air supply blower 63 can be introduced from both inside and outside the room. The air supply pipe 60 is connected to the air supply pipe 60, and an air supply switching device 74 is provided at the connection portion. The air supply switching device 74 sucks air blown out from the blowing nozzle 58 from the indoor side or from the outdoor side.

In FIGS. 3 and 4, reference numeral 73 denotes an indoor communication duct having an indoor suction port for sucking indoor air, and reference numeral 73 denotes an indoor communication duct having an indoor suction port for sucking indoor air. An air supply switching device 75 that rotates in the air path of the side air supply pipe 60 to communicate the air supply pipe 60 with the room and / or the outside, and a drive device 75 for driving the air supply switch 74, such as a motor Drive means. Other configurations are almost the same as those of the first embodiment.

The operation of the cooking stove ventilation system configured as described above will be described. First, as shown in FIG. 3, the outdoor air passage of the suction side air supply pipe 60 is closed by an air supply switching device 74 to block the inflow of outdoor air, and the indoor air inlet 73 and the suction side air supply pipe 60 are connected to each other. , And air-conditioned room air is introduced from the room suction port 73, and the introduced room air is blown from the blowing nozzle 58 above the pan 65, is sucked into the exhaust suction port 57, and is discharged to the outlet side exhaust duct. The air is exhausted to the outside via the air 71. In this case, especially in winter when the outside air temperature is low, cold outside air is not blown above the pot 65, and the cooking temperature is kept optimal, so that optimum cooking can be performed.

Further, as shown in FIG. 3, the rotatable air supply switching device 74 does not block the air passage of either the indoor suction port 73 or the suction side air supply pipe 60, and both air supply blowers are used. When it is made to communicate with 63, the pot 65 is not cooled too much,
It is possible to cook comfortably without the indoor pressure in the chitin becoming too negative.

As described above, when the indoor communication duct 73 communicating with the room is connected to the suction side air supply pipe 60 and the air supply switching device 74 is provided at the connection portion, the air supply duct 71 is connected to the air supply duct. The cooking air can be sucked in from the indoor side or from the outdoor side to blow out the air in the kitchen room or blow out the outdoor side (outside air side), so the cooking temperature according to the seasonal change (outside air temperature) And the temperature of the blown air related to the cooking can be adjusted, and a convenient cooking table ventilation system suitable for cooking can be obtained.

Embodiment 3 FIG. In the third embodiment, as shown in FIGS. 4 to 6, the exhaust circulation duct 7 having a regeneration processing device 80 for mainly processing odor, water vapor, and the like.
8 is connected to an outlet-side exhaust duct 71, and an exhaust switching device 81 is provided at the connection portion to return the air exhausted by the exhaust blower 70 to the room for reuse or exhaust to the outside of the room.

In these figures, 78 is connected to the outlet side exhaust duct 71, an exhaust circulation duct for returning the air exhausted by the exhaust blower 70 to the room, and 80 is provided in the exhaust circulation duct 78, A regeneration processing device 81 for processing (including oil smoke, odor, and water vapor) is provided at a connection portion between the outlet-side exhaust duct 71 and the exhaust-circulation duct 78, and controls the flow of exhaust air to the outlet-side exhaust duct 71 and / or the exhaust circulation. An exhaust switching device for switching to the duct 78 side, a driving means such as a motor for driving the exhaust switching device, and an indoor opening 83 of the exhaust circulation duct 78 are provided. Other configurations are almost the same as those of the first embodiment.

Next, the operation of the cooking stove ventilation system configured as described above will be described. First, when the exhaust gas switching device 81 rotates and completely blocks the passage of the exhaust gas circulation duct 78, the exhaust air blown by the exhaust blower 70 via the filter 67 is blown out of the room from the outlet-side exhaust duct 71. .
It should be noted that the inside of the kitchen has a negative pressure by the amount of the discharged air.

Next, when the exhaust gas switching device 81 completely closes the passage of the outlet-side exhaust duct 71, the exhaust air blown by the exhaust blower 70 and heated by the heating energy of the heating cooker is discharged into the exhaust circulation duct 78. Oil smoke by processing device 80,
Water vapor and odor are removed, resulting in clean, warm air,
The air is blown into the room from the room-side opening 83 through the exhaust circulation duct 78 to warm the room. Therefore, in winter or the like when the outside air temperature is low, the heating energy of the heating cooker is used as indoor heating energy.

Next, the exhaust gas switching device 81 opens a part of the passage of the outlet-side exhaust duct 71 and the exhaust circulation duct 78.
When the exhaust switching device 81 is set to a position where the exhaust-side exhaust duct 71 and the exhaust-circulation duct 78 communicate with each other, the exhaust air flows into the outlet-side exhaust duct 71. The exhaust air flowing to each of the exhaust circulation ducts 78 and flowing to the outlet-side exhaust duct 71 is discharged to the outside of the room, and the exhaust air flowing to the exhaust circulation duct 78 is subjected to removal of oil smoke, water vapor, and odor by the processing device 80. It becomes clean warm air and exhaust circulation duct 7
Since the air is blown into the room through the inside opening 8 through the inside 8, a part of the heating energy of the heating cooker is utilized as the indoor heating energy.

As described above, the outlet side exhaust duct 7
1 is connected to the exhaust circulation duct 78, and the exhaust air is supplied to the connection portion at the outlet side exhaust duct 71 and / or the exhaust circulation duct 78.
By installing an exhaust switching device that flows to the side, the heating energy of the heating cooker can be used or not used in the indoor heating energy. Thus, an easy-to-use countertop ventilation system can be obtained.

Embodiment 4 In the fourth embodiment, as shown in FIG. 8 in the first to third embodiments,
The electronic component 97, which is a control component that generates heat of the electric heating cooker 52, can be cooled by using the air blown by the air supply blower 63 in the air supply duct. In addition,
97 in this figure is provided in the outlet side air supply duct 64,
It is an electronic component that controls the operation of the electric heating cooker 52.
Other configurations are almost the same as those of the first embodiment.

Next, the operation of the cooking stove ventilation system configured as described above will be described. First, when the power is turned on and the cooking mode is turned on on the operation panel, the electronic component 97 is turned on by the electric heating cooker 52 and the air supply blower 6 based on the operation result.
3, and generates heat to control the operation of the exhaust blower 70. However, the heated electronic component 97 is cooled by the air blown by the air supply blower 63 that blows outside air or indoor air, and is maintained at an optimum temperature. The operation of the air blower 52, the air blower 63, and the exhaust blower 70 is controlled.

The electronic components 97 are provided in the outlet side air supply duct 64 in consideration of the case where the air supply switching device 74 described in the second embodiment is mounted.
When the air supply switching device 74 is not provided as described above, the air supply switching device 74 may be provided in the suction side air supply duct. Further, even if the air supply switching device 74 is provided, as shown in FIG.
3 can also be cooled by room air instead of the suction side air supply duct 60, so that it is not always necessary to provide it in the outlet side air supply duct 64.

As described above, in the fourth embodiment, the control means is provided in the air supply duct and is cooled by the air blown by the air supply blower. No other means of cooling is required, and the control means is maintained at a predetermined temperature or lower, so that an economical and more reliable cooktop ventilation system can be obtained.

When the control means drives the exhaust blower 70 when the odor sensor 77 provided in the kitchen room detects a predetermined odor or more, as shown in FIG. Is maintained at or below a predetermined value, so that a worktop ventilation system that keeps the interior of the kitchen comfortable can be obtained.

In the above state, as shown in FIG. 3, an operation panel (not shown), which is a part of the control means, is operated to
When only one pot 65 is placed on the electric heating cooker 52 near the exhaust suction port 57 and partial heating cooking is being performed, only the exhaust blower 70 is operated and the exhaust gas generated from the pan 65 ( If c) is sucked into the exhaust suction port 57 and discharged outside the room only by the suction force of the exhaust blower 70, the operating power consumption of the air supply blower 63 can be exhausted with zero operating power depending on the use state. Therefore, an easy-to-use and economical cooktop ventilation system can be obtained.

Further, when the operation panel is operated during the non-heating cooking operation to operate the exhaust blower 70 to exhaust the air in the kitchen, the exhaust blower 70 can be used instead of the ventilation fan. An unnecessary and economical cooktop ventilation system is obtained.

[0057]

As described above, in the cooking table ventilation system of the present invention, a cooking work table having a heating cooker, which is disposed in a kitchen room or the like, is installed on one of the left and right sides of the cooking work table. An exhaust duct having an exhaust blower that sucks air on the cooking device; and an exhaust duct installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table therebetween. An air supply duct having a blower nozzle for blowing air to the suction port of the air conditioner, and an air supply blower built therein. Since the person is face-to-face, the face-to-face space is increased, so that a convenient cooktop ventilation system that can be used as a face-to-face kitchen with no feeling of oppression can be obtained.

Further, the blowing nozzle 58 is connected to the exhaust suction port 57.
And fresh air is blown out from the blow-out nozzle 58 toward the exhaust inlet 57, so that the air that has risen due to the heat energy of the electric heating cooker 52, which is a heating cooker, is provided. The exhaust gas (c) generated from the pan 65 flows into the exhaust suction port 57 while being held down, and becomes substantially horizontal in the vicinity of the exhaust suction port 57, so that the air is generated from the pan 65 with a small amount of blown air. An economical cooktop ventilation system for treating exhaust (c) is obtained.

Further, a cooking work table having a heating cooker, which is disposed in a kitchen room or the like, and an exhaust blower which is installed on one of the left and right sides of the cooking work table and inhales air on the cooking device, are provided. An exhaust duct having an air supply blower installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blowing air to a suction port of the exhaust duct. An air supply duct communicating with the outside air, the air supply duct being connected to a suction side of the air supply blower, and an indoor communication duct communicating with the kitchen room, and a connection between the indoor communication duct. And an air supply switching device for switching the air supplied by the air supply blower to be supplied from the kitchen room and / or the outside air. The inside air can be blown out and the outside (outside air side) can be blown out. The blowout air temperature related to the cooking temperature can be adjusted according to the seasonal change (outside air temperature). In a low winter season or the like, an easy-to-use countertop ventilation system that can optimally cook is obtained.

Further, a cooking work table having a heating cooker disposed in a kitchen room or the like, and an exhaust blower installed on one of the left and right sides of the cooking work table for sucking air on the heating cooker are provided. And an air supply blower that is installed on the other side of the left and right sides so as to face the air discharge duct with the cooking work table interposed therebetween and that blows air to a suction port of the air discharge duct. Air duct, and the exhaust duct processes the dirt of the air in the duct, and supplies the processed air into the kitchen room, so that the heating energy of the cooking device is used as the indoor heating energy. Since it is utilized, an economical cooktop ventilation system utilizing the heating energy can be obtained, especially in winter when the outside air temperature is low.

Further, a cooking work table having a heating cooker, which is arranged in a kitchen room or the like, and an exhaust blower which is installed on one of the left and right sides of the cooking work table and inhales air on the cooking device, are provided. An exhaust duct communicating with the outside air, and a supply duct installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and for blowing air to a suction port of the exhaust duct. An air supply duct having an air blower, wherein the exhaust duct is connected to the outlet side of the exhaust blower, and is provided in the exhaust circulation duct, which communicates with the kitchen room. ,
A regeneration processing device for treating moisture, odor, and the like of air in the duct, and a connection part of the exhaust circulation duct, wherein the air blown by the exhaust blower is supplied to the outside and / or the kitchen room. An exhaust switching device for switching to
So that the heating energy of the heating cooker can be blown into the kitchen room or blown out of the kitchen, and the heating energy can be used according to the season,
Because of this, an economical and easy-to-use countertop ventilation system that keeps the kitchen comfortable according to the season can be obtained.

Further, since a filter is detachably attached to the suction port of the exhaust duct to remove dirt from the air sucked into the duct, the exhaust air becomes clean, so that an environment-friendly cooking table ventilation system is provided. Is obtained.

When the control means drives the exhaust blower when the odor sensor provided in the kitchen room detects a predetermined odor or more, the odor in the kitchen room is maintained at a predetermined level or less. Therefore, a cooking table ventilation system that maintains the comfort of the kitchen room can be obtained.

Further, since the control means is provided in the air supply duct and is cooled by the blast air of the air supply blower, other means for cooling the control means, which is a heat generating object, is unnecessary. Since the control means is maintained at a predetermined temperature or lower, an economical and reliable cooking table ventilation system can be obtained.

Further, since only the exhaust blower can be operated by the operation panel irrespective of the operation of the heating cooker, the exhaust can be performed without operating the air supply blower according to the use condition. Therefore, an easy-to-use and economical cooking table ventilation system can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic layout diagram of a cooktop ventilation system according to Embodiment 1 of the present invention.

FIG. 2 is a schematic internal perspective view according to Embodiment 1 of the present invention.

FIG. 3 is a schematic internal perspective view according to Embodiment 2 of the present invention.

FIG. 4 is a schematic internal perspective view according to Embodiment 3 of the present invention.

FIG. 5 is a schematic internal perspective view according to Embodiment 3 of the present invention.

FIG. 6 is a schematic layout diagram in Embodiment 3 of the present invention.

FIG. 7 is a sectional view of a filter section according to Embodiments 1 to 4 of the present invention.

FIG. 8 is a schematic configuration diagram according to a fourth embodiment of the present invention.

FIG. 9 is a vertical cross-sectional view and an external perspective view showing a conventional cooktop ventilation system.

[Explanation of symbols]

50 kitchen, 51 cooking work, 52 cooking device, 53 sink, 55 living, 56 exhaust box, 57 exhaust inlet, 58 blow nozzle,
63 air supply blower, 65, 66 pan, 67 filter, 68 tank (oil receiver), 69 inlet exhaust duct, 70 exhaust blower, 71 outlet exhaust duct, 73 indoor communication duct, 74 air supply switching device, 75 air supply motor, 77 various sensors,
78 exhaust circulation duct, 81 exhaust switching device, 82
Exhaust motor, 97 electronic components.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Tetsuya Tanaka 2-3-2 Marunouchi, Chiyoda-ku, Tokyo F-term in Mitsubishi Electric Corporation (reference) 3B060 GB00 GB01

Claims (9)

[Claims] 1. A cooking workbench, which is disposed in a kitchen room or the like and has a heating cooker, and an exhaust blower that is installed on one of the left and right sides of the cooking worktable and sucks air on the heating cooker. An exhaust duct having a discharge nozzle, which is installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blows air to a suction port of the exhaust duct. An air supply duct having a built-in air blower; and a cooking table characterized in that a person faces each other without blocking the front and rear of the cooking table of the heating cooker with the respective ducts. Ventilation system. 2. A cooking table provided in a kitchen room or the like and having a heating cooker, and an exhaust blower installed on one of the right and left sides of the cooking table and sucking air on the cooking apparatus. An exhaust duct having a discharge nozzle, which is installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blows air to a suction port of the exhaust duct. An air supply duct having a built-in air blower, and an outlet nozzle of the air supply duct is arranged at a height equal to or higher than a suction port of the exhaust duct,
A cooking table, wherein the air from the blowing nozzle is blown downward to guide an ascending airflow of the heated object on the heating cooker substantially parallel to a suction port of the exhaust duct. Ventilation system. 3. A cooking workbench disposed in a kitchen room or the like and having a heating cooker, and an exhaust blower installed on one of the left and right sides of the cooking worktable and sucking air on the heating cooker. An exhaust duct having an air supply blower installed on the other side of the left and right sides so as to face the exhaust duct with the cooking work table interposed therebetween, and blowing air to a suction port of the exhaust duct. An air supply duct communicating with the outside air, the air supply duct being connected to a suction side of the air supply blower, and an indoor communication duct communicating with the kitchen room, and a connection between the indoor communication duct. And a supply air switching device for switching the air supplied from the air supply blower to be supplied from the kitchen room and / or outside air. 4. A cooking table provided in a kitchen room or the like and having a heating cooker, and an exhaust blower installed on one of right and left sides of the cooking table and sucking air on the cooking apparatus. And an air supply blower that is installed on the other side of the left and right sides so as to face the air discharge duct with the cooking work table interposed therebetween and that blows air to a suction port of the air discharge duct. And a care duct,
A cooking-stand ventilation system, wherein the exhaust duct processes dirt of air in the duct, and supplies the processed air into the kitchen room. 5. A cooking workbench, which is disposed in a kitchen room or the like and has a heating cooker, and an exhaust blower which is installed on one of the left and right sides of the cooking worktable and inhales air on the heating cooker. An exhaust duct having and communicating with the outside air;
An air supply duct having an air supply blower that is installed on the other side of the left and right sides so as to face the exhaust duct and the cooking work table therebetween, and blows air to a suction port of the exhaust duct. The exhaust duct is connected to the outlet side of the exhaust blower, and an exhaust circulation duct communicating with the kitchen room, and is provided in the exhaust circulation duct to remove moisture, odor, etc. of air in the duct. A regeneration processing device for processing, and an exhaust switching device provided at a connection portion of the exhaust circulation duct, for switching the air blown by the exhaust blower to be supplied to the outside and / or the kitchen room. Cooking table ventilation system characterized by the following. 6. The cooking table according to claim 1, wherein a filter is detachably attached to a suction port of the exhaust duct to remove dirt from air sucked into the duct. Ventilation system. 7. The exhaust fan according to claim 1, wherein the control means drives the exhaust blower when an odor sensor provided in the kitchen room detects a predetermined odor or more.
Cooktop ventilation system as described above. 8. The cooktop ventilation system according to claim 1, wherein a control means is provided in the air supply duct, and is cooled by air blown by the air supply blower. 9. The cooktop ventilation system according to claim 1, wherein only the exhaust blower can be operated by the operation panel regardless of the operation of the heating cooker.