JP2005273935A - High frequency heating device with range hood - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the quality performance of electric parts and structural parts in a body by removing impurities contained in a suction air in a high frequency heating device with a range hood having, at the suction port for a circulation fan formed at the bottom face of the body, a contamination prevention filter structure formed of a plurality of materials containing metals and suppressing the permeability of impurities. <P>SOLUTION: This high frequency heating device comprises, at the bottom surface of the body, the contamination prevention filter formed of the plurality of materials including the metals by suppressing the permeability of the impurities. Since the impurities contained in the suction air, the adhesion of oil and moisture to the electric parts and structural parts in the body can be suppressed. As a result, the safety and quality of the heating device can be improved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention has a function of exhausting the generated gas generated from another cooking device installed below the apparatus main body to the indoor circulation or outdoors, and sucks the generated gas from an intake port provided below the apparatus main body. In this case, a configuration that effectively removes impurity components contained in the generated gas by arranging a stain prevention filter composed of a non-metallic material having a fine shape with significantly reduced impurity transmittance in addition to the metal material This relates to a high-frequency heating apparatus with a range hood.

  Conventionally, a high-frequency heating device with a range hood sucks in from the bottom of the main body through the operation of a circulating fan provided with generated gas generated from cooking equipment installed in the lower part of the main body, circulates indoors from the exhaust port at the top front of the main body, or circulation fan The structure in which the sucked product gas is discharged from the upper part of the main body or from the rear is provided by having a structure in which the exhaust direction can be easily changed (see, for example, Patent Document 1).

  At this time, the filter provided at the intake port is arranged in the lower part of the main unit for the purpose of removing the components of the generated gas, and is configured with a mesh shape of a metal material to avoid burning due to the flame generated from the lower cooking device. Can prevent dust and dust from entering.

  For example, the mainstream of the inlet filter is a structure in which a mesh-shaped filter layer, which is made of only aluminum material and is thinly studded, is held by a metal outer frame frame on the bottom surface of the main device.

  Further, when exhaust air is circulated indoors, a structure in which a filter including a material having a deodorizing effect is provided in the vicinity of the inside of the exhaust port disposed on the upper front surface of the main device for the purpose of deodorizing the exhaust air has been the mainstream.

FIG. 2 shows a configuration when the air inlet filter is mounted on the main device.
Intake port filter 1, intake opening 12, circulation fan motor 11, heating chamber 18, heating unit 19, temperature sensing unit 15, microcomputer control unit 23, device main body display unit 24, and exhaust opening 6.
US Pat. No. 5,981,929

  However, in the conventional configuration, the air inlet filter provided on the bottom surface of the main device is made of only a metal material, so the mesh-like filter is rough and the oil and vapor fine particles contained in the generated gas are easily transmitted. It was a shape. A large amount of oil and moisture contained in the generated gas easily passes through a filter made of a metal material and adheres to the surface of the circulating fan motor and other electrical components installed inside the equipment, causing safety deterioration. There was a problem that caused the problem of the property and the component failure.

  For example, the circulation fan motor is configured to perform self-cooling with the intake air that it sucks in. However, if the partition is installed so that it is not exposed to the generated gas containing a large amount of oil and moisture, the cooling performance cannot be secured, so the motor is generated. There was a structural problem of being disposed in the gas passage.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to provide a safe and high-quality high-frequency heating apparatus with a range hood that can realize safety and quality assurance with a simple configuration.

  In order to solve the above-described conventional problems, the antifouling filter installed at the bottom air inlet of the main device of the present invention has a non-metallic material with a fine structure capable of greatly suppressing the transmittance of impurities. The filter is made up of a plurality of different materials with different thermal conductivities and heat retention rates, including the metal material and non-metallic filter structure that make up the filter surface. It is possible to improve the insulation performance of electrical components and improve the quality of components by removing the components and suppressing the penetration of water vapor and oil into the equipment body.

  In addition, when the dirt prevention filter is clogged with impurities, the rotation speed of the circulation fan motor becomes excessive as the intake air volume decreases, and the motor tends to overheat, but the temperature detection means that the abnormal temperature rise is arranged on the motor surface Is detected and an abnormality is displayed on the main body display unit, so that the user can be notified of the filter replacement timing, so that the destruction of parts can be prevented and the product quality can be greatly improved.

  According to the present invention, the safety of a product is greatly improved with a simple configuration, and a high-frequency heating apparatus with a range hood excellent in product quality can be realized.

  1st invention is the heating chamber which accommodates the to-be-heated material, the circulation fan which ventilates the production | generation gas generated from the cooking appliance installed in the downward direction, the opening part which inhales or exhausts the said production | generation gas with a circulation fan And a heating means for heating the object to be heated, and a suction opening provided on the bottom surface of the device, and a shape capable of greatly suppressing the transmittance of impurities with a non-metallic material, and composed of a plurality of different materials When the product gas containing oil and steam generated from the lower cooking appliance passes through the antifouling filter by the circulation fan, the impurity component is removed and the intake air with high purity can be taken into the appliance. It becomes possible, and it can prevent that the insulation performance of the electrical component which comprises the inside of main body equipment deteriorates.

  The non-metallic materials that make up this antifouling filter are less susceptible to the heat from the lower cooker because the non-metallic materials that make up the antifouling filter have less heat retention and thermal conductivity than the metallic materials, so the surface temperature is kept lower than the metallic materials. be able to.

  On the other hand, the particulate impurity component of the product gas is hot and adheres to substances with a low surface temperature. Adsorbed efficiently.

  As a result, the impurity component of the product gas is removed, and the transmittance of the impurity component is greatly suppressed, and the cooling air of the high-purity circulating fan motor can be realized.

  According to the second aspect of the present invention, when a product gas is circulated indoors by arranging a component having a deodorizing function in the intake opening at the bottom of the device, another filter is newly provided on the exhaust port side located above the main device. It is possible to achieve the deodorizing function only with the antifouling filter without wearing a product, and the structure of the product can be simplified and the cost can be greatly reduced with a simple configuration.

  According to a third aspect of the present invention, when the dirt prevention filter is clogged by providing the temperature detection means in the circulation fan motor, even if the motor is overheated due to the rotation speed of the motor that increases as the intake air volume decreases, The temperature detecting means provided detects the abnormal temperature and stops the motor operation, so that it is possible to prevent the destruction of the parts of the motor, and the quality of the parts can be greatly improved.

  According to a fourth aspect of the present invention, when the antifouling filter is clogged, information on the circulating fan motor that stops with the operation of the temperature detecting means is displayed on the device main body display section as “CLEAN FILTERS”, “REPLACE FILTERS” or “F01”. By displaying "" (preset failure mode number) and notifying the user of the abnormality, it is possible to prevent motor parts from failing and to assure parts quality.

(Embodiment 1)
FIG. 1 is a diagram showing an installation state of a high-frequency heating apparatus with a range hood provided with a dirt prevention filter on the bottom surface of a main body apparatus according to an embodiment of the present invention.

  FIG. 2 is a diagram showing the internal structure of a high-frequency heating apparatus with a range hood provided with a dirt prevention filter on the bottom surface of the main device according to the embodiment of the present invention.

  FIG. 3 is a diagram showing the structure of a stain prevention filter composed of a plurality of materials capable of greatly suppressing the transmittance of impurities in an embodiment of the present invention in comparison with a conventional example.

  FIG. 4 is a diagram showing a display example of the main device display section by detecting an abnormal temperature when the antifouling filter on the bottom surface of the main device is abnormal in the embodiment of the present invention.

  In FIG. 1, the generated gas 14 generated from the lower cooking device 13 passes through the antifouling filter 12 on the bottom surface of the device by the operation of the circulation fan 11, passes through the inside of the main device, and is discharged from the exhaust port 6 on the top surface of the device. It has become.

  The operation and action of the high-frequency heating apparatus with a range hood having the antifouling filter 1 arranged on the bottom surface of the main device will be described below.

  First, as shown in FIG. 2 in the present embodiment, a portion of the inner layer made of a non-metallic material capable of greatly suppressing the transmittance of impurities in the intake opening 12 provided in the bottom surface of the device. By providing the filter 1 composed of a plurality of different materials in which the outer surface metal part is combined, the generated gas 14 containing oil and steam generated from the lower cooking device 13 is moved to the bottom surface of the main device by the operation of the circulation fan 11. By removing the impurity components when passing through the anti-smudge filter 1 of the part, it becomes possible to take a high-purity intake air into the main unit, and prevent deterioration of the insulation performance of the electrical components that make up the main unit Can do.

  In FIG. 3, the non-metallic material 33 constituting the antifouling filter 1 has a lower heat retention rate and thermal conductivity than the metal materials 31 and 32 used for the outer frame due to its material characteristics. The surface temperature can be kept lower than that of a metal material with respect to the heat.

  On the other hand, the particulate impurity component of the product gas 14 uses the property of adhering to a substance having a high temperature and a low surface temperature, and the fine filter layer 33 made of a nonmetallic material removes the impurity component of the high temperature product gas. Adsorption can significantly reduce the transmittance of the impurity component.

  Furthermore, the metal and non-metal part layers that make up the antifouling filter have a layer made of a metal material in consideration of strength and durability in the appearance part that is easy to touch the user's hand, and made of a non-metal material. A configuration in which the layers are arranged inside is desirable.

  In addition, by adding a component having a deodorizing function to the dirt prevention filter 1 inside the metal material, it is possible to perform deodorization when sucked into the inside of the device main body, and for another deodorization near the exhaust port at the top of the main body. A deodorizing effect can be realized by using only the antifouling filter 1 provided on the bottom surface of the main device without having a filter.

(Embodiment 2)
FIG. 2 shows a structure in which the temperature detecting means is provided in the circulation fan motor in the embodiment of the present invention.

  In addition, in FIG. 2, the high-frequency heating apparatus with a range hood has an antifouling filter 1 installed at the bottom surface inlet so that the transmittance of impurities can be greatly suppressed inside the outer surface made of a metal material. It has a fine non-metallic material, and has a configuration in which means 8 for sensing self-heating and main device display 14 are arranged on the surface of the circulating fan motor.

  About the high frequency heating apparatus with a range hood comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, the generated gas 14 generated from the cooking device 13 installed below in FIG. 1 is circulated into the room through the exhaust port 6 through the antifouling filter 1 on the bottom surface of the device by the suction operation of the circulation fan 11.

  On the other hand, the antifouling filter 1 provided at the intake port adsorbs impurity components contained in the generated gas 14, and therefore requires regular cleaning and replacement in order to prevent root clogging according to the frequency of use. However, if the air flow is neglected, it becomes difficult for the intake air to pass through the antifouling filter 1, and the amount of intake air decreases, so that the rotational speed of the circulation fan motor 11 increases and the work of the motor 11 increases. It reaches.

  The temperature detecting means 8 attached to the surface of the circulating fan motor 11 according to the present invention detects an abnormal temperature rise even when the antifouling filter 1 is clogged and stops the circulating fan motor 11 to prevent a failure due to overheating. Can be realized, and the quality of parts can be greatly improved.

  Further, when the temperature detecting means 8 is operated during the operation of the circulation fan 11, the microcomputer control unit 23 reads the operation, and “CLEAN FILTERS”, “REPLACE FILTERS” or “F01” (preset failure) It is possible to easily notify the user of the abnormal location by displaying the (mode number), etc., even when the replacement time of the intake port filter 8 that requires periodic replacement is delayed, it is necessary before failure The user can be encouraged to improve the product quality, and the customer satisfaction as well as the product quality can be greatly improved.

  As described above, the high-frequency heating apparatus with a range hood according to the present invention can remove the impurity component of the intake air passing through the inside of the main body device with a simple configuration, and can improve safety and product quality. Therefore, it can be applied to uses such as a configuration in which ventilation air is taken into the device.

The figure which shows the installation state of the high frequency heating apparatus with a range hood provided with the antifouling filter in the bottom face part in embodiment of this invention. The figure which shows the internal structure of the high frequency heating apparatus with a range hood provided with the bottom face part stain | pollution | contamination prevention filter in embodiment of this invention. The figure which shows the filter structure of main body apparatus bottom face installation of this invention in comparison with a prior art example. The figure which shows the display which notifies the abnormality of the filter when the dirt prevention filter root clogging of the main unit equipment installation

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Antifouling filter 7 Exhaust air 11 Circulation fan motor 12 Bottom part inlet 13 Lower cooking appliance 14 Cooking production | generation gas 15 Temperature detection means 18 Heating chamber 19 Heating means 23 Microcomputer control part 24 Equipment main body display part 25 Cooling means

Claims (4)

In a high-frequency heating apparatus with a range hood, a circulation fan that ventilates a generated gas generated from a cooking appliance installed below, an opening for intake or exhaust of the generated gas by the circulation fan, and an object to be heated are accommodated A heating chamber, a heating unit that heats an object to be heated, and a cooling unit that cools the heating unit, and a dirt prevention filter that removes dirt in an intake opening that sucks the generated gas on a bottom surface of the main device. The high-frequency heating apparatus with a range hood is provided, and the antifouling filter is made of a metal material and a non-metal material having a fine shape capable of greatly suppressing the transmittance of impurities. A high-frequency heating apparatus with a range hood configured to arrange a component having a deodorizing function on a non-metallic material of a dirt prevention filter that removes dirt from an intake opening provided on the bottom surface of the main device. The high-frequency heating apparatus with a range hood according to claim 1, wherein the heating unit includes a temperature detection unit in a circulation fan motor. It has a microcomputer control unit that controls the operation of the main unit and a display unit that displays the operation of the main unit. When the temperature detection means is operating, the main unit display unit displays a message that informs the user that the filter needs to be cleaned or replaced. The high-frequency heating apparatus with a range hood according to claim 1 or 2, wherein the high-frequency heating apparatus is configured.

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