KR20000003787U - Reflective Structure of Halogen Lamp for Microwave Oven - Google Patents

Abstract

The present invention relates to a reflective structure that can block the transmission of light and heat generated from one halogen lamp to an adjacent halogen lamp in a microwave oven equipped with a plurality of halogen lamps.

According to the present invention, a reflection plate including a plurality of halogen lamps (12a, 12b) provided on one side of the cavity of the microwave oven, and a plurality of reflecting portions (12a, 12b) for reflecting light generated from the halogen lamp into the cavity (14); And it discloses a reflective structure of a halogen lamp comprising a shielding film 20 for blocking the transmission of light from each halogen lamp to an adjacent halogen lamp.

Description

Reflective Structure of Halogen Lamp for Microwave Oven

The present invention relates to a reflective structure of a halogen lamp used in a microwave oven, and more particularly, to a reflective structure that can protect the halogen lamp by preventing light emitted from the halogen lamp from being incident on another adjacent halogen lamp. .

Various kinds of apparatuses have been proposed to date as heating apparatuses for heating foods. The most primitive heating mechanism is a container of a predetermined shape in direct contact with a heat source, and the contents to be cooked are placed in such a container, and the desired cooking is performed by applying heat.

In addition, many types of cooking apparatuses have been developed that use electric energy directly or indirectly. As an example, a microwave oven using microwaves as a heating source may be cited. A microwave oven is a cooking apparatus in which microwaves are generated using electricity, and the microwaves penetrate the object to be cooked, causing molecular motion inside the object, and thereby heating. Such microwave ovens are widely used for simple heating, for example, a thawing process for dissolving frozen food or a device for heating food such as milk to a predetermined temperature due to its simple configuration and ease of use. It is used.

However, the microwave oven cannot be said to be suitable for heating various objects due to the disadvantages in use due to the heating method and the limitation of its output. That is, the conventional microwave oven using only microwaves as a heating source is pointed out that there is a problem in that it is not possible to provide fast and high-quality cooking because of the unity of the heating method by the microwave and its output. . For example, when heated by microwave, the object is heated both inside and outside together, but this advantage is a significant disadvantage depending on the cooking object. When cooking pizza as described later, it is judged that heating by microwaves is not suitable due to the properties of the object. In addition, it is also pointed out that in the case of heating by a microwave oven, too much moisture is removed from the object.

For these current microwave ovens, various types of microwave ovens using different heat sources have been developed and commercialized. For example, a microwave oven capable of performing appropriate heating on various cooking objects may be mentioned by attaching a convection heater, which can be said to be another heat source, separately from the microwave. In this way, however, even in a microwave oven in which the heater is built, it is true that such a heater does not have various functions as a whole because it only serves as another heat source.

In conclusion, when heating by the conventional microwave only, the limitation of the heating method of the single method of heating by the microwave, the disadvantages of the output, and various disadvantages due to the evaporation of water have been pointed out. Even in the case of installation, the above-mentioned disadvantages cannot be sufficiently solved.

In order to solve the above-mentioned problems of the conventional microwave oven, a microwave oven using light waves as a heating source has been proposed. That is, by using a lamp having a wavelength of at least 90% of the radiant energy of 1 μm or less as a heating source, by appropriately using the visible light and infrared rays emitted from such a lamp, the characteristics of the surface and the inside of the heating object can be adjusted. It is to be able to perform heating while keeping enough power. Halogen lamps are mentioned as such a heating source.

The difference between the wavelengths of the infrared light and the visible light is represented by the difference in the heating method by the different wavelengths applied to the object, and the outside and the inside of the object are heated in different forms by this difference. Using such a halogen lamp, for example, in the case of pizza, it is possible to obtain a cooking state in which the outside has a crisp heating degree and the inside is sufficiently heated and softly heated with a predetermined moisture. .

1 shows a microwave oven using such a halogen lamp as another heating source. As shown in the figure, a halogen lamp 12 is provided on the upper surface 10 of the cavity 2 of the microwave oven. The use of the light waves emitted from the halogen lamp 12 as a heating source for heating the heating object and the properties of the light waves generated from the halogen lamp are as described above.

The reflection plate 14 is installed above the halogen lamp 12 to reflect the light waves generated upward from the halogen lamp 12 into the lower cavity 2. A plurality of transmission holes 16 are formed on the upper surface of the cavity 2 in which the halogen lamp 12 is provided.

Next, a structure of a conventional reflector will be described with reference to FIG. 2. As described above, the reflector 14 is for reflecting light generated from the halogen lamp 12 into the cavity 2. In general, the halogen lamp 12, in order to enable the desired cooking in a short time, should generate sufficient light energy, for this purpose, a pair of halogen lamps (12a, 12b) are provided as shown. In addition to the upper side of the cavity 2 as shown, the halogen lamp is provided in the structure similar to the above on the lower surface of the cavity. In FIG. 2, reference numeral 15 denotes a mesh formed with a through hole for guiding light from the halogen lamp 12 into the cavity and preventing microwaves supplied into the cavity from entering the surface of the halogen lamp if possible. 17 is a glass filter for preventing water vapor or the like containing foreign substances generated from food during heating from adhering to the surface of the halogen lamp.

The conventional structure includes a pair of halogen lamps 12a and 12b and a reflector 14 reflecting light from the halogen lamps 12a and 12b above the halogen lamps 12a and 12b into the lower cavity. You can see that is installed. For the convenience of configuration, the configuration includes one reflecting portion 14a, 14b corresponding to each halogen lamp 12a, 12b of the reflecting plate 14. Substantially light emitted from the halogen lamps 12a and 12b inside the reflector 14 is reflected by the reflector 14 and is incident into the cavity, but reflection of various angles is performed inside the reflector 14. At the same time, the light emitted from one halogen lamp is also incident on the surface of another halogen lamp.

Light emitted from the filament located inside the halogen lamp 12 is a light energy having a predetermined wavelength as described above, the surface of the halogen lamp may be damaged when reflected back to the surface of the halogen lamp. In the conventional structure as described above, there is a case where incident from adjacent halogen lamps directly into another halogen lamp or incident through adjacent reflections into adjacent halogen lamps. The incident light of adjacent halogen lamps damages the surface of the halogen, shortening the lifetime of the halogen lamp itself, and at the same time, also causing the reliability of the microwave oven equipped with the halogen lamp. This means that the light generated from one halogen lamp and its reflection part and the accompanying heat energy are transferred to the adjacent halogen lamp, which causes temperature overheating.

In terms of energy efficiency, it is most preferable that all the light emitted from one halogen lamp is incident into the cavity 2. In other words, light entering another adjacent halogen lamp has a disadvantage of undesirable effects in terms of energy efficiency.

The present invention is to solve the above problems, when installing a plurality of halogen lamps, by minimizing the amount of light incident to the adjacent halogen lamp side, it is possible to prevent damage to the halogen lamp by the light generated from the adjacent halogen lamp. It is an object to provide a reflective structure.

Another object of the present invention is to provide a reflective structure in which the loss of light energy is minimized by guiding light emitted from each halogen lamp to the inside of the cavity if possible.

1 is an exemplary configuration diagram of a microwave oven equipped with a halogen lamp.

Figure 2 is a side view showing the structure of a conventional reflector.

Figure 3 is a side view showing the structure of a reflector according to the present invention.

Explanation of symbols on the main parts of the drawings

2 ..... cavity 12a, 12b ..... halogen lamp

14a, 14b ..... Reflector 14 ..... Reflector

Reflective structure according to the present invention for achieving the above object, a plurality of light emitting means is provided on one side of the cavity of the microwave; Reflecting means including a plurality of reflecting portions reflecting the light generated by the light emitting means into the cavity; And it characterized in that it comprises a blocking means for blocking the transmission of light from each light emitting means to the adjacent light emitting means.

The blocking means is composed of a blocking film provided between each reflecting portion, the blocking film is installed in a state fixed to the reflecting means so as to block the reflecting portion.

According to one embodiment of the blocking film, an inverted triangle is configured to reflect light from each light emitting unit into the cavity.

According to the present invention, it is possible to prevent the light from one halogen lamp is incident to the adjacent halogen lamp, or the heat generated from one halogen lamp is transferred to the adjacent halogen lamp, the present invention The present invention will be described in more detail with reference to FIG. However, the same components as in the prior art will be described with the same reference numerals.

As shown, according to the present invention, by providing the blocking plate 20 between the pair of reflecting portions 14a and 14b in which the pair of halogen lamps 12a and 12b are respectively provided, the respective halogen lamps 12a are provided. The technical gist of the present invention is to configure so as to block light generated in (12b).

By providing the blocking plate 20 between each of the reflecting portions 14a and 14b which are concave from the inside, the halogen lamps 12a and 12b and the corresponding reflecting portions 14a and 14b are respectively independent. The light emitting source and the reflecting portion are formed. Therefore, the light generated from one halogen lamp is prevented from entering or reflecting into the multiple halogen lamp. Since the light generated in the halogen lamp is accompanied by heat, the provision of the blocking film 20 is independent of the amount of heat generated in each halogen lamp and the reflector without interfering with each other and independently into the cavity 2. It means to be incident. In other words, by minimizing the heat introduced into the adjacent halogen lamp and the reflecting portion, it is to prevent the temperature rise.

As described above, the blocking film 20 according to the present invention serves to block light generated from one halogen lamp 12a or 12b from entering the adjacent halogen lamp 12b or 12a and at the same time, one halogen lamp. And a function of preventing heat generated through the reflecting portion from being transferred to an adjacent halogen lamp and the reflecting portion side.

For example, the blocking of the light from the halogen lamp is not limited to blocking the light generated from the halogen lamp of one side, and it is more preferable to have a structure capable of reflecting the light inside the cavity 2 if possible. Can be. In this regard, many other modifications are possible to the blocking film 20.

For example, when the cross section of the said blocking film 20 is seen in FIG. 3, it is possible to form an inverted triangle. When the blocking film 20 is formed in an inverted triangle as described above, most of the light from the halogen lamp incident on the blocking film 20 can be reflected toward the cavity 2. Even when the blocking film 20 having the inverted triangle cross section is configured as described above, heat generated from adjacent halogen lamps can be prevented from being transferred to other halogen lamps.

As described above, according to the present invention, it can be seen that there is a technical point of providing a blocking device for blocking the transmission of light between adjacent reflection lamps between the respective reflecting portions. Therefore, it is apparent that the present invention cannot be limited by the blocking film according to the embodiment shown in the drawings. For example, it is also possible to comprise the blocking film which is not attached to the said reflecting plate 14, but is attached to the member below it.

As described above, according to the present invention, in a reflecting plate having a plurality of halogen lamps and reflecting portions corresponding to the plurality of halogen lamps, the light from one halogen lamp is adjacent by providing a reflecting plate between the halogen lamps. It can be seen that it is prevented from being incident or reflected by the halogen lamp. Therefore, by preventing light from adjacent halogen lamps from entering the surfaces of other halogen lamps, it is possible to protect the surface of the halogen lamps to secure their lifespan and to ensure the reliability of the product.

In addition, it is possible to prevent the heat generated from the halogen lamp of one side and the corresponding reflecting part to be transferred to the adjacent halogen lamp and the reflecting part side, thereby preventing the temperature rise of any one halogen lamp side to It is possible to improve the reliability.

In addition, the blocking film according to the present invention is capable of transferring light, which is substantially accompanied by heat generated from a halogen lamp, directly into the cavity, thereby improving the thermal efficiency.

Claims (4)

A plurality of light emitting means provided on one side of the cavity of the microwave oven; Reflecting means including a plurality of reflecting portions reflecting the light generated by the light emitting means into the cavity; And And a blocking means for blocking the light from each light emitting means from being transmitted to the adjacent light emitting means. The reflection structure for a microwave oven according to claim 1, wherein the blocking means comprises a blocking film provided between each reflecting unit. The light emitting lamp reflecting structure of claim 2, wherein the blocking film is provided in the reflecting means to block the reflecting unit. The light emitting lamp reflecting structure according to claim 3 or 4, wherein the blocking film is formed in an inverted triangle so as to reflect light from each light emitting unit into the cavity.