JP2005241130A - Range hood for ih cooking heater - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a range hood for an IH cooking heater capable of being easily maintained, reducing its equipment cost and preventing dew condensation. <P>SOLUTION: A contaminated air capturing space S is formed by closing an opening part of a thin hood main body 1 opened at its lower face, by a recessed detachable hood cover 4, an incandescent bulb B or an incandescent lamp is mounted on a desired position of the range hood A to directly heat the hood cover 4 to which the steam included in the contaminated air C generated in heating cooking, is attached, and the hood cover 4 is heated and dried by the transmission of heat energy by radiation heat from the incandescent bulb B or the incandescent lamp to prevent dew condensation. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a range hood for an IH cooking heater that sucks and exhausts contaminated air from an IH cooking heater that does not generate combustion gas.

Conventionally, a range hood for an IH cooking heater has a U-shaped convection flow blowing pipe suspended from the back of the hood main body having an open portion so that the height can be adjusted. It is known that the convection flow is blown upward, and the contaminated air that does not generate an updraft by the traction flow is urged into the hood main body, and the hood main body has an atmosphere in which no condensation occurs ( For example, Patent Document 1).
In addition, in the range hood for IH cooking heaters, a heating device such as a sheet heater or conductive heat-generating paint is adhered to the inner surface of the hood body, and the hood body is heated by the generated heat to condense inside the hood body. It is also known to prevent the occurrence of (for example, Patent Document 2).

By the way, the gas appliance generates a combustion gas together with steam from a cooking pan, etc., reduces the humidity of the steam with the heat of the combustion gas, warms the upstream side member including the hood main body and the filter, The stove similarly heats the upstream side member including the inner surface of the hood main body and the filter with the heat of the rising airflow.
Therefore, no condensation occurs during cooking.
However, in the above-mentioned IH cooking heater, since no combustion gas or ascending airflow is involved, steam generated during cooking adheres to the inner surface of the hood main body and the upstream side member including the filter, condenses, and drops during cooking. In addition, there is a current situation that fouls heaters, cooking containers, and even cooking being cooked.
For such a reality, in Patent Document 1, a convection flow is blown upward from a U-shaped convection flow blowing tube whose height can be adjusted from the back of the hood body. Condensation is prevented from occurring inside the hood.
However, the range hood for an IH cooking heater having such a configuration is used in a state where it is positioned as far down as possible from the convection-flow blowing pipe in order to effectively induce contaminated air generated during cooking.
Therefore, the induced flow is diffused to the outside of the hood body as it rises, and it is difficult to say that it is suitable for preventing condensation.
In addition, in the case of a seat heater or a conductive heat-generating paint as in Patent Document 2, it is not only a cause of fire, but it is troublesome to replace at the time of failure together with its temperature control, and the cost becomes high.

In addition, various kitchen layouts incorporating Western styles have been proposed today, and many system kitchens that emphasize design in harmony with them have appeared. The range hoods incorporated in these system kitchens are also expected to have a design that matches these, and recently the hood body that has the greatest influence on the capture of contaminated air generated by cooking has been made very thin. The slim type range hood is eagerly desired.
And since the IH cooking heater does not generate combustion gas or ascending airflow, it can capture contaminated air even in a shallow capture space without providing a deep capture space. However, in a thin (slim) range hood with an exhaust means installed outside, the degree of freedom in design can be expanded and the flexibility according to the needs of customers can be provided.
In reality, a range hood that requires a deep capture space and a range hood for an IH cooking heater that installs an exhaust device in the hood body are provided, causing a problem that a novel design cannot be implemented as the hood body. Not only is it naughty.
Japanese Patent Laid-Open No. 2002-168896 JP 2002-168495 A

The present invention has been made in view of the above-described conventional circumstances, and its object is to provide a range hood for an IH cooking heater that is easy to maintain, has low equipment costs, and prevents condensation. .
Another object is to provide a range hood for a slim IH cooking heater.

The technical means taken in order to solve the above-mentioned problem is that a light bulb or an electric lamp with a large calorific value is attached to the range hood so as to directly heat the range hood component to which steam contained in the contaminated air generated by cooking is attached. A range hood for an IH cooking heater, which is installed at a required position and is heated by propagation of thermal energy due to radiant heat from the light bulb or electric light to prevent the formation of dew on the range hood components (Claim 1). .
Here, the range hood includes various types such as a flat range hood, a boot type range hood, an open kitchen range hood, and an island type range hood.
And the range hood component to which steam adheres changes with forms of a range hood, respectively. That is, the contact surface of the contaminated air, which is in an arrangement relationship crossing the suction direction of the exhaust means in the range hood, is the main steam adhesion surface. For example, in the case of a boot type, a partition plate that supports the front plate and the filter so that it can be inserted and removed corresponds to the attachment surface, and in a flat range hood, the lower surface portion corresponds to the attachment surface.
A light bulb or an electric lamp with a large calorific value includes those that emit incandescent light, and examples thereof include an incandescent light bulb (electric light), a krypton sphere, a halogen sphere, a reflex sphere, and a beam sphere.

  According to the above means, the range hood component is heated by direct heating of the range hood component to which steam adheres with a light bulb or electric light with a large calorific value and propagation of heat energy by radiant heat.

Then, an exhaust means is installed outside the thin hood main body that opens the lower surface to secure a capture space for contaminated air, and a suction port member for the exhaust means is provided inside the hood main body, so that a light bulb or an electric light that generates a large amount of heat. Can be installed at the required location of the hood body so that the hood body is heated directly, and the hood body may be heated so as not to condense due to the propagation of thermal energy due to radiant heat from the bulb or electric light. (Claim 2).
According to the second aspect of the present invention, the hood main body is formed in a thin flat shape with the lower surface open, while the exhaust means is installed outside the hood main body, and a suction port member (filter or exhaust means to the exhaust means is installed in the hood main body. A blindfold plate (such as a lattice frame or a plate having a plurality of relatively large slits) is provided so as not to enter the field of view.
This range hood meets the need to capture contaminated air in a shallow capture space without the need for a deep capture space.
The steam contained in the contaminated air adheres to the hood body, and there is a risk of condensation and dripping.
This is heated so that the hood body does not condense by direct heating by a light bulb or electric lamp with a large calorific value installed at a required location of the hood body and propagation of thermal energy by the radiant heat.

Then, the open portion of the thin hood body that opens the lower surface is closed with a concave detachable hood cover to form a trapping space for contaminated air, and the exhaust cover installed outside the hood body on the hood cover. Install a suction port member and install a light bulb or electric lamp with a large amount of heat generation in the space behind the hood cover so that the hood cover is directly heated, and then spread the hood cover by the propagation of thermal energy from the light bulb or electric light. Heating may be performed to prevent condensation (Claim 3).
According to the third aspect of the present invention, the hood main body itself is not used as a trapping space for contaminated air as in the second aspect, but the hood main body is closed with a concave hood cover so that it can be opened and closed in order to improve cleanability. Is a range hood installed outside the hood.
In the hood cover, the corners of the side peripheral surface and the bottom surface are connected by an arc surface having a relatively large curvature, thereby improving the cleaning performance.
For this reason, steam contained in the contaminated air adheres to the hood cover, and there is a risk of condensation and dripping.
This is prevented by direct heating of the hood cover by a light bulb or an electric light with a large calorific value that does not take up a place installed in the space behind the hood cover, and by propagation of thermal energy by the radiant heat.

And, a space for suction is secured between the lower edge of the hood cover and a current plate is provided, and a light bulb or an electric lamp with a large amount of heat is also installed at a required position of the current plate so that the current plate is directly heated. Then, the rectifying plate may be heated so as not to condense due to propagation of thermal energy due to radiant heat from the light bulb or the electric light (claim 4).
According to the fourth aspect of the present invention, a narrow suction space is secured around the hood cover according to the third aspect, and the contaminated air generated by heating cooking is sucked from the suction space at a high flow rate. This is a range hood that prevents the diffusion of contaminated air to the outside.
In this range hood, steam contained in the contaminated air adheres to the rectifying plate together with the hood cover described above, and there is a risk of condensation and dripping.
This is prevented by heating directly with a light bulb or electric lamp with a large calorific value installed at a required location of the rectifying plate, and by direct heating and propagation of thermal energy due to the radiant heat.

Then, the rectifying plate is formed in an internal hollow shape, and a light bulb or an electric lamp having a large calorific value is installed at a required position in the rectifying plate so as to directly heat the rectifying plate, and the radiant heat from the electric bulb or the electric light is used. Of course, the current plate may be heated so as not to condense by the propagation of thermal energy (claim 5).
According to the fifth aspect of the present invention, the rectifying plate having a hollow structure is directly heated from the inside so that the entire rectifying plate is uniformly heated and dried uniformly.

In addition, the open portion of the thin hood body that opens the lower surface is closed with a concave detachable hood cover to form a trapping space for contaminated air, and the hood cover is connected to exhaust means installed outside the hood body. A suction port member is provided, a suction space is ensured between the lower edge of the hood cover and a current plate is provided, and the current plate is formed in an internal hollow shape, and the inside of the current plate and the space behind the food cover Install a light bulb or lamp that generates a large amount of heat at a required location in the rectifier plate or in the space behind the hood cover so that the rectifier plate and hood cover are heated directly. It is also preferable to heat the current plate and the hood cover so as not to condense due to the propagation of thermal energy.
That is, both the hood cover and the current plate are heated uniformly and without unevenness.

  Further, the suction port member and the exhaust means are connected by an intake duct, and a heating chamber is formed between the hood body in the space behind the hood cover around the intake duct, and the heating chamber is provided at a required position of the heating chamber. It is preferable that a light bulb or an electric light with a large calorific value is installed (Claim 7), and the electric light bulb or the electric light is effectively used as an illumination at the time of maintenance and internal lighting with the hood cover removed. Is preferable (claims 8 and 9).

  In each of the above claims, a plurality of light bulbs or electric lamps that generate a large amount of heat may be scattered in a place where condensation is likely to occur, or may be installed in a place where condensation is most likely to occur. It is also possible to effectively prevent the occurrence of condensation by heating effectively.

Since the present invention is configured as described above, it has the following advantages.
(Claim 1) Using a light bulb or an electric lamp with a large calorific value as a heating source, the range hood constituent member to which steam adheres is directly heated, and the heat energy is propagated by the radiant heat. It is possible to provide an inexpensive range hood for an IH cooking heater that prevents dew condensation, has a simple structure, is easy to maintain and replace, and does not cause fire.

(Claim 2) In addition, the dew condensation of the hood main body constituting the capture space of the slim range hood that constitutes the capture space for contaminated air with the thin and flat hood main body with the lower surface open is maintained and replaced. It can be prevented with a light bulb or electric light that is easy and cheap and does not worry about fire, and that generates a large amount of heat.

(Claim 3) In addition, since the light bulb and the electric light with a large calorific value are small and do not occupy a place, even if the back space between the hood cover and the hood main body is narrow, the heating means can be used without any problem. It is possible to provide a thin range hood that can prevent dew condensation by preventing the dew condensation without impairing the trapping performance and cleanability of contaminated air.

(Claim 4) In addition, in the range hood which arranges a current plate which forms a suction space for sucking contaminated air by increasing the flow rate between the hood cover and prevents external diffusion of the contaminated air as much as possible. Condensation on the current plate can be prevented.

(Claim 5) Moreover, since the current plate is hollowed and a light bulb or an electric lamp with a large amount of heat is installed in the current plate, the air in the current plate is heated by radiant heat, and the entire current plate Can be heated and dried without unevenness, and condensation of the current plate can be prevented simply by installing a light bulb and an electric lamp inside.

(Claim 6) With the light bulb or the electric lamp, it is possible to prevent the condensation of the rectifying plate and the condensation of the hood cover at once.

(Claim 7) Further, the suction port member on the bottom of the hood cover and the exhaust means are connected by an intake duct, and a large amount of heat is generated at a required portion of the heating chamber secured around the intake duct in the hood body. Since the light bulb or the electric lamp is installed, the radiant heat that directly heats the hood cover heats the intake duct with the radiant heat, thereby preventing condensation in the intake duct.

(Claims 8 and 9) In addition, in the range hood in which the open portion of the hood main body is detachably closed by the hood cover to improve the cleaning property, the light bulb or the electric lamp for heating and drying the hood cover includes the hood cover. Since the interior upper space after removal is brightly illuminated, for example, when cleaning the exhaust means or checking the electrical components, the hand can be illuminated and the workability can be greatly improved.

  Next, several embodiments of the IH cooking heater range hood according to the present invention will be described. FIGS. 1, 2, 3, and 4 show the first, second, third, and fourth embodiments, respectively. Yes.

The first embodiment shown in FIG. 1 will be described. Reference numeral A is a range hood for the IH cooking heater. In each embodiment, a thin type range hood is shown.
In the range hood A, the exhaust means 2 is installed on the top plate portion 11 of the flat and thin box-shaped hood main body 1 whose lower surface is opened, and the exhaust means 2 is concealed by a curtain plate 3 erected from the front to open the lower surface. A hood cover 4 that can be engaged and disengaged is provided at the part, and the hood cover 4 is used as a capture space (contaminated air capture part) S for contaminated air C generated by cooking, and is sucked into the top surface (bottom face) 14 of the hood cover 4 The opening 24 is opened and a filter or a blindfold member is provided as a suction port member 5 so that it can be engaged and disengaged. The suction port member 5 and the housing case 2 ′ of the exhaust means 2 are connected by an intake duct 22, A heating chamber 6 is formed so as to surround the space behind the hood cover 4.

  As shown in the figure, the hood cover 4 is formed with a gentle guide curved surface 34 at a corner between a side peripheral surface and a bottom surface (top surface portion), and the suction port 24 is continuously opened, and a filter, A suction port member 5 such as a blindfold plate (a blindfold plate (a plate having a plurality of lattice frames, a plurality of relatively large slits, etc.) is provided so that the exhaust means does not enter the field of view.

  As shown in the figure, the heating chamber 6 is provided with a light bulb B or an electric lamp having a large calorific value at a position closer to the front side thereof.

  The incandescent bulb or the incandescent lamp is used as the light bulb B or the electric lamp having a large calorific value, and as shown in the drawing, the sphere and the lamp are left bare and exposed to the heating chamber 6. The range hood constituent member to which the steam contained in the contaminated air C generated by cooking is attached, that is, the hood cover 4 is directly heated, and the air in the heating chamber 6 is heated by radiant heat, so that the entire hood cover 4 is heated. Heat drying to prevent condensation.

Since the IH cooking heater is disposed not in the center of the range hood A but relatively in front of the position, the flow of the contaminated air C is less on the rear side of the hood body 1, and steam adheres in proportion thereto. Although the amount is small, there is a large amount of steam adhering to the position closer to the front side, and there is a high risk of condensation and dropping downward.
For this reason, as shown in the drawing, the light bulb B or the electric lamp having a large calorific value is installed in a portion inside the heating chamber 6 closer to the front side as it is.
The light bulb B or the electric light is controlled to be turned on / off in synchronization with the operation of the range hood 1, but may be individually turned on / off by an operation different from the operation of the range hood 1. However, it is not limited to the position shown in the figure, and it may be installed at a required position or another part.

In the range hood A for the IH cooking heater configured as described above, the contaminated air C is captured by the hood cover 4 and the contained steam adheres to the surface of the hood cover 4. Then, the hood cover 4 is heated and dried so as not to condense by direct propagation with an incandescent lamp and propagation of heat energy by radiant heat to the entire area of the chamber 6 and the entire area of the hood cover 4.
Then, the light bulb B and the light are effectively used as a light when the hood cover 4 is removed and the exhaust means 2 and the electrical components installed in the heating chamber 6 are maintained.

  Next, a second embodiment shown in FIG. 2 will be described. In this embodiment, the exhaust means 2 is installed outside the thin hood main body 1 that opens the lower surface and secures the trapping space S for the contaminated air C. A range hood A is shown in which a suction port member 5 to the exhaust means 2 is provided at the bottom of the hood main body 1 and a trapping space S for contaminated air C is formed by the hood main body 1 itself.

  The suction port member 5 uses a blindfold plate so that the exhaust means 2 is not conspicuous from below, and has a concave and convex portion 32 formed on the inner surface of the casing 12 of the sirocco fan that constitutes the exhaust means 2, and has a filter function. The water receiving part 7 which can communicate with the lower end of the casing 12 and is detachable is provided, and the water receiving part 7 can be removed by removing the blindfold plate.

In the range hood A, a pair of light bulbs B or electric lamps having a large calorific value are installed with the exhaust device 2 sandwiched between the top plate portion 11 of the hood main body 1 and the top plate portion 11 which is a component member of the range hood is installed. It is designed to heat directly.
As shown in FIG. 2, the light bulb B or the electric lamp is accommodated in a lamp box b whose bottom surface is opened.

  The lamp box b is configured such that a reflecting plate b ′ such as an aluminum foil is lined on the inner surface thereof, and radiant heat is propagated as heat energy directly to the top plate portion 11 of the hood body 1 from the lower surface opening portion. .

  Since other configurations are the same as those of the above-described embodiment, the same reference numerals are given, and detailed descriptions thereof are omitted.

  Further, a third embodiment shown in FIG. 3 will be described. In this embodiment, the current plate 8 is secured so as to secure a narrow suction space 18 between the lower edge 4 edge of the hood cover 4. The range hood A is shown in which the contaminated air C is sucked from the suction space 18 without leaking out of the hood body 1.

  Then, a light bulb B or an electric lamp with a large calorific value is provided at a required portion of the rectifying plate 8 so that the rectifying plate 8 does not condense.

Similar to the second embodiment, the light bulb B or the electric lamp is housed in a lamp box b having a lower surface opened and an aluminum foil lined as a reflector b ′ on the inner surface, and radiant heat directly from the lower surface opening portion. Is propagated as thermal energy to the back surface of the rectifying plate 8 which is the surface of the range hood.
Since other configurations are the same as those of the above-described embodiment, the same reference numerals are given, and detailed descriptions thereof are omitted.

  Next, a fourth embodiment shown in FIG. 4 will be described. In this embodiment, the rectifying plate 8 is formed in an internal hollow shape, and the inside of the rectifying plate 8 and the space behind the hood cover 4. The range hood A which connected the heating chamber 6 is shown.

Then, the light bulb B or the electric light having a large calorific value is installed at a required position in the rectifying plate 8 or the heating chamber 6 so as to directly heat the rectifying plate 8 and the hood cover 4 which are the range hood components, The rectifying plate 8 and the hood cover 4 are heated and dried so as not to condense by the propagation of heat energy by the radiant heat from the light bulb B or the electric lamp.
Since other configurations are the same as those of the third embodiment, the same reference numerals are given, and detailed descriptions thereof are omitted.

  In the third embodiment, the rectifying plate 8 and the hood cover 4 may be individually heated and dried with a light bulb (a light bulb with a large amount of heat generation) or an electric light (a light with a large amount of heat generation). In addition, the upper surface of the lamp box b provided on the rectifying plate 8 is opened, and the radiant heat is radiated to the hood cover 4 from the open portion. The cover 4 may also be heated and dried. In that case, a light bulb (light bulb with a large calorific value) or an electric lamp (electric light with a large calorific value) in the heating chamber 6 is not necessary.

It is partially cut away in the side view of the first embodiment. It is partially cut away in the front view of the second embodiment. A part of the third embodiment is shown in a cutaway view. It is shown in a partially cutaway side view in the fourth embodiment.

Explanation of symbols

A: Range hood 1: Hood main body B: Light bulb or electric light with a large calorific value 6: Heating chamber 2: Exhaust means 5: Suction port member 4: Hood cover S: Capture space 18: Suction space 8: Current plate 22: Air intake duct

Claims (9)

  Install a light bulb or lamp with a large calorific value at the required position of the range hood so that the steam is contained in the contaminated air generated by cooking and directly heat the range hood components, and radiant heat from the light bulb or light A cooker hood for an IH cooking heater, which is heated by propagation of thermal energy to prevent dew condensation on the cooker hood components.   An exhaust means is installed outside the thin hood body that opens the lower surface to secure a capture space for contaminated air, and a suction port member for the exhaust means is provided inside the hood body, so that a light bulb or an electric light with a large amount of heat is generated. A range for an IH cooking heater, which is installed in a required place of the hood body so that the hood body is heated directly, and is heated so that the hood body is not condensed by the propagation of thermal energy due to radiant heat from the light bulb or electric light. hood.   The open part of the thin hood body that opens the lower surface is closed with a concave detachable hood cover to form a capture space for contaminated air, and the hood cover has a suction port for exhaust means installed outside the hood body A light bulb or lamp with a large amount of heat is installed in the space behind the hood cover so that the hood cover is heated directly, and the hood cover is not condensed by the propagation of thermal energy from the radiant heat from the light bulb or the lamp. A range hood for an IH cooking heater, characterized by being heated as described above.   A space for suction is secured between the lower edge of the hood cover and a rectifying plate is provided, and a light bulb or an electric lamp with a large amount of heat is also installed at a required portion of the rectifying plate so as to heat the rectifying plate directly. 4. The range hood for an IH cooking heater according to claim 3, wherein the rectifying plate is heated so as not to be condensed by propagation of thermal energy by radiant heat from the light bulb or electric light.   The current plate is formed hollow inside, and a light bulb or lamp with a large amount of heat is installed at a required location in the current plate so that the current plate is directly heated, and heat energy due to radiant heat from the light bulb or lamp The range hood for an IH cooking heater according to claim 4, wherein the rectifying plate is heated so as not to condense by propagation of the heat.   The open part of the thin hood body that opens the lower surface is closed with a concave detachable hood cover to form a capture space for contaminated air, and the hood cover has a suction port for exhaust means installed outside the hood body A member is provided, a suction space is provided between the lower edge of the hood cover and a rectifying plate is provided. The rectifying plate is formed in an internal hollow shape, and the inside of the rectifying plate communicates with the space behind the hood cover. Install a light bulb or lamp with a large amount of heat in a required location in the rectifier plate or in the space behind the hood cover so that the rectifier plate and hood cover are heated directly, and heat energy from the radiant heat from the bulb or electric lamp. A range hood for an IH cooking heater, wherein the rectifying plate and the hood cover are heated so as not to condense by propagation of the heat.   The suction port member and the exhaust means are connected by an intake duct, a heating chamber is formed between the hood body in the space behind the hood cover around the intake duct, and the heating value is generated at a required position of the heating chamber. A range hood for an IH cooking heater according to claim 6, wherein a light bulb or an electric lamp with a large amount of light is installed.   The range hood for an IH cooking heater according to any one of claims 3 to 5, wherein the light bulb or the electric light is used as illumination for maintenance, internal cleaning or the like performed by removing the hood cover.   8. The range hood for an IH cooking heater according to claim 6, wherein the light bulb or the electric light is used as illumination for maintenance, internal cleaning, or the like performed by removing the hood cover. 9.

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