JPH0242986Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention is a supply/exhaust type range hood that has an air supply function to prevent oxygen deficiency and an exhaust function to discharge oil smoke and exhaust smoke rising from a gas range, etc. Regarding.

<Conventional technology> Conventionally, this type of air supply/exhaust type range hood
The former method involves installing a hollow curtain plate with an outside air outlet between the top of the front plate and the ceiling of the room and connecting an outside air intake pipe to the curtain plate, or alternatively, the outside air outlet is opened directly at the top of the front plate. There is also the latter type, which is equipped with an outside air introduction pipe and connected to it.

However, both the former and the latter have an air supply structure that blows outside air into the room from the upper part of the range hood, which is close to the ceiling of the room, so while they can prevent oxygen deficiency, they also reduce the effectiveness of cooling and heating the room. If you do so, there will be problems.

However, this is because the indoor air is agitated by the flow of outside air blown into the room from the upper part of the range hood and is discharged together with the oil smoke, exhaust smoke, etc. that rises from the gas range.

<Problems to be solved by the invention> The problems to be solved by the invention are to provide an air supply/exhaust type range hood that not only prevents oxygen deficiency but also has an air supply structure that does not reduce the cooling and heating effects. It's about doing.

<Means for Solving the Problems> The technical measures taken by the present invention to solve the above problems include a front plate that is equipped with a built-in exhaust device and is attached to the front opening of the hood body, which has an open front and bottom surface. It is formed in a hollow shape, and an outside air outlet is provided at the lower end of the front plate, and a connection port with an outside air introduction pipe is provided at the upper part of the back surface.

<Function> The present invention connects an outside air introduction pipe to the connection port provided at the upper part of the back of the hollow front plate to send outside air into the front plate, and then blows the outside air into the room from the outside air outlet provided at the lower edge of the front plate. In other words, it blows out toward the gas range.

<Example> An example of the present invention will be described based on the drawings.
In the figure, 1 is a hood body, 2 is an exhaust device, 3 is a filter, 4 is a front plate, 5 is an exhaust duct connected to the exhaust device 2, and 6 is an outside air introduction pipe connected to the front plate 4.

The hood main body 1 is formed into a rectangular box shape with open front and bottom surfaces, and includes left and right side plates 1a, a back plate 1b, and a top plate 1c formed of flat metal plates.
Inside there are a casing 2a, a fan 2b and a motor 2c.
An exhaust system 2 composed of the following is housed, and a filter 3 is mounted in an inclined manner through a mounting frame 7 in front of the exhaust system 2.

The front plate 4 has a rectangular shape that closes the front opening of the hood body 1, and its upper edge has a desired height above the top plate 1c of the hood body 1, that is, the height is such that it abuts and approaches the ceiling of the room. Front plate 4a and this front plate 4
It is composed of triangular side plates 4b that are connected to the left and right sides of the front plate 4a, and a back plate 4c is placed on both sides at a desired interval behind the front plate 4a, extending from the lower edge to the upper edge of the front plate 4a. It is formed into a hollow shape with an outside air outlet 8 opened at the lower edge by being fixed between the plates 4b.

The upper part of the back plate 4c of this hollow front plate 4,
That is, a connection port 9 for connecting one end of the outside air introduction pipe 6 is formed in the back plate 4c that projects upward from the top plate 1c of the hood body 1.

Therefore, in this embodiment, the lower end edge located near the gas range 10 side is used as the outside air outlet 8, and the back plate 4c that projects upward from the top plate 1c of the hood body 1 has a connection port 9 with the outside air introduction pipe 6. With the hollow front plate 4 having an opening, outside air is once introduced into the front plate 4 from the outside air introduction pipe 6, and the outside air is directed to the gas range 10 side through an outside air outlet 8 at the lower edge.
To provide an air supply structure capable of reliably replenishing insufficient air that is blown out from a gas range near a gas range 10 indoors and discharged together with oil smoke, exhaust smoke, etc. rising from the gas range 10 without stirring the cooled or heated indoor air. That is.

The outside air may be introduced into the front plate 4 naturally or forcibly by equipping the outside air introduction pipe 6 with a motor, fan, etc., as desired.

<Effects of the invention> As mentioned above, the supply/exhaust type range hood of this invention has the following effects:
The front plate is hollow and is attached to the front opening of the hood body, which has a built-in exhaust device and is open on the front and bottom sides.An outside air outlet is provided at the lower end of the front plate, and an outside air introduction pipe is installed at the upper part of the back. The air supply structure allows outside air to be blown into the front plate and blows it out near the gas range from the outside air outlet on the lower edge of the front plate located on the gas range side, so it can be cooled or heated. Outside air can be supplied and replenished without stirring indoor air. Therefore, it is possible to provide a supply/exhaust type range hood that can reliably replenish outside air without reducing indoor cooling and heating effects.

Thus, the intended purpose can be achieved.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, with FIG. 1 being a longitudinal side view and FIG. 2 being a partially cutaway front view of the same. In addition, in the figure, 1: hood body, 2: exhaust system,
4: Front plate, 6: Outside air introduction pipe, 8: Outside air outlet,
9: Connection port.

Claims (1)

[Scope of utility model registration request] The front plate is hollow and is attached to the front opening of the hood body, which has a built-in exhaust device and is open on the front and bottom sides.An outside air outlet is provided at the lower end of the front plate, and an outside air introduction pipe is installed at the upper part of the back. A supply/exhaust type range hood with a connection port.