TWI719507B - Heating pad for dining plate - Google Patents

Abstract

A heating pad for a dining plate is disclosed, wherein it comprises a heating device and a base having a receiving space with a battery power source module and a control circuit module disposed therein; the control circuit module further connects to a sensing module, and the heating device connects onto the receiving space of the base and includes a conducting member and a heat-generating body for heating the dining plate disposed thereon; the bottom of the dining plate is fully in contact with the conducting member; further, the heating device is disposed with a plurality of elastic bodies to allow the heating device to be elastically displaced up and down in the receiving space, and the heating device is also connected to the sensing module, so that when the dining plate is placed on the conducting member, the heating device is moved downward due to the weight of the dining plate and the connection with the sensing module is disrupted, and thus the control circuit module could drive the heating device to heat.

Description

Plate heating pad

The present invention relates to a plate heating pad which is simple in structure, safe to use and can keep the heat of the food in the plate at any time.

At present, the general way to heat the dishes is to use an electric pot or a pot to heat it directly or after it is heated by a microwave oven before serving it to the table. However, no matter what method it is, it will cool down quickly when eating at the table, especially It is more obvious when dining in a restaurant. Therefore, in order to keep the food hot, it is common to use another heating vessel, pour alcohol paste and ignite it, and place the tableware with the food on it for heating, or use an induction cooker to heat it. Heat or keep food warm.

However, although the above method can achieve the effect of rapid heating of food, the temperature cannot be controlled in the case of using alcohol to heat, which makes the food easy to deteriorate due to overheating. In addition, the use of alcohol is added to the consumer or service staff during meals. Dangerous, although the use of induction cooker heating can solve the above-mentioned safety problem of alcohol heating and has the advantages of constant temperature, induction cooker can only be limited to the bottom of the pot material, etc., which can be used on the induction cooker. Since the bottom of the dish is equipped with an annular bottom edge, it can only conduct heat through the annular bottom edge of the bottom of the dish after it is placed on the induction cooker, which not only conducts heat slowly but also consumes electricity, and the plug-in induction cooker is in use. Unable to move arbitrarily, adding to the trouble of diners picking dishes from a distance.

In view of the above-mentioned problems, the inventor has accumulated many years of experience and continuously researched and improved Advances, and then the present invention came into being.

The main purpose of the present invention is to provide a plate heating pad which is simple in structure, safe to use and can keep the food in the plate hot at any time.

In order to achieve the above-mentioned purpose, a heating pad for a dinner plate provided by the present invention includes a base and a heating device. The base has an accommodating space in which a power supply and a battery module and a control are provided. A circuit module, the control circuit module is further connected with a sensing module, the heating device is combined with the accommodating space of the base, and the heating device is combined with the accommodating space of the base, including a conductive And a heating element for heating the dinner plate placed on it, and the bottom of the dinner plate can be in full contact with the conductive element, and the heating device is provided with several elastic bodies, so that the heating device can be elastic up and down Displacement in the accommodating space, and the heating device is also connected with the above-mentioned induction device, so that when the dinner plate is placed on the conductive member, the heating device is displaced downward due to the weight of the dinner plate to block the induction When the device is connected, the control circuit module can drive the heating device to generate heat.

In implementation, the heating device includes a heat conductor, and the heat conduction system is arranged on the surface of the heating device, and the conductive member can be controlled by the control circuit module to maintain a constant temperature after being heated to a preset temperature.

When implemented, it further includes a cover for covering the base, a pressure relief hole is provided on the cover, and a groove is provided on both sides of the conductive member for injecting water into the cover.

In implementation, the base includes an upper half and a lower half, wherein the conductive member is formed above the protruding upper half, and the upper half is a block that can move up and down, so that It can sink with the downward displacement of the heating device.

In implementation, the power supply and battery module includes a rechargeable battery.

In implementation, the periphery of the heating device is provided for a ring-shaped bottom edge of the bottom of the dinner plate to be placed on.

In implementation, the conducting element includes a first conducting unit and a plurality of second conducting units, wherein the plurality of second conducting units are sequentially stacked and arranged around the first conducting unit, so that the conducting element is formed A stepped top, where the bottom of the dinner plates of different sizes can fully contact the conductive member, and the heating element and the elastic body are distributed on the bottom of the first conductive unit and the bottoms of the second conductive units to make The first conduction unit and the plurality of second conduction units can both generate heat and can be elastically displaced up and down in the accommodating space.

In order to further understand the present invention, the following is a detailed description of the specific components of the present invention and the effects achieved by the preferred embodiments, in conjunction with the drawings and figure numbers.

1‧‧‧Pedestal

11‧‧‧Accommodation space

12‧‧‧Power supply and battery module

121‧‧‧Rechargeable battery

13‧‧‧Control circuit module

14‧‧‧Sensing Module

15‧‧‧Upper half

16‧‧‧The lower half

2‧‧‧Heating device

20‧‧‧Heating body

21‧‧‧Transmitting parts

211‧‧‧Groove

212‧‧‧The first conduction unit

213‧‧‧Second Conduction Unit

22‧‧‧Elastomer

23‧‧‧Heat Conductor

3‧‧‧Dish plate

31‧‧‧Annular bottom edge

4‧‧‧Hood

41‧‧‧Pressure relief hole

5‧‧‧Water

a‧‧‧Tableware

b‧‧‧Dish plate

c‧‧‧Dish plate

L‧‧‧Interval

Fig. 1 is a schematic diagram of the structure of an embodiment of the present invention before the plate is placed.

Fig. 2 is a schematic diagram of the structure of the dinner plate after placement of the embodiment of the present invention.

FIG. 3 is a schematic diagram of the structure of the embodiment of the present invention when a heat conductor is provided.

Figure 4 is a schematic view of the structure of the embodiment of the present invention when the heat conductor is provided and the plate is placed.

Figure 5 is a schematic diagram of the embodiment of the present invention in use when the cover is provided.

Figure 6 is a schematic diagram of the embodiment of the present invention when the base is set to the upper half and the lower half.

Figure 7 is a schematic diagram of the embodiment of the present invention when the upper half of the base sinks.

Fig. 8 is a schematic diagram of the conductive member arranged in a laminated shape in the embodiment of the present invention.

Figures 9-11 are schematic diagrams of the state of the embodiment of the present invention when it is applied to dinner plates of different sizes.

Please refer to Figures 1 and 2, which are an embodiment of a heating pad for a dinner plate of the present invention.

A heating pad for a dinner plate provided by the present invention includes a base 1 and a heating device 2.

The base 1 has an accommodating space 11, and a power supply and battery module 12 and a control circuit module 13 are arranged in the accommodating space 11, and the control circuit module 13 is further connected to a sensing module 14, the power supply and The battery module 12 includes a rechargeable battery 121.

The heating device 2 is combined with the accommodating space 11 of the base 1. The heating device 2 includes a conductive element 21 and a heating element 20 for heating the dinner plate 3 placed thereon, and the conductive element 21 The top of the plate 3 is in full contact with the bottom of the plate 3, and an annular bottom edge 31 of the bottom of the plate 3 spans the periphery of the heating device 2.

In addition, the heating device 2 is provided with several elastic bodies 22 (such as springs) so that the heating device 2 can be elastically displaced up and down in the accommodating space 11, and the heating device 2 is also connected to the above-mentioned induction device 14.

Therefore, in implementation, when the dinner plate 3 is placed on the conductive member 21, the heating device 2 is displaced downward due to the weight of the dinner plate 3 to block the connection with the sensing device 14, the control circuit module 13 can drive the heating device 2 to generate heat.

As shown in Figures 3 and 4, the heating device 2 may additionally include a heat conductor 23, and the heat conductor 23 is disposed on the surface of the heating device 2, and the conductive member 21 is heated to a preset temperature Then, it can be controlled by the control circuit module 13 to maintain a constant temperature. The heat conductor 23 can be designed to be level with the top surface of the base 1, but a space L is formed between the heat conductor 23 and the base 1, so that the annular bottom edge 31 of the bottom of the dinner plate 3 can be accommodated inside. After that, the heat conductor 23 can all contact the bottom of the dinner plate 3, so that the dinner plate 3 can achieve uniform and rapid heating or heat preservation.

In addition, in order to reduce the heating or holding time of the dishes in the dinner plate 3, the moisture or soup of the dishes will dry out, as shown in Figure 5, the present invention can further add a cover 4 for covering the base. On the seat 1, the cover body 4 is provided with a pressure relief hole 41, and the conductive member 21 is provided with a groove 211 on both sides for injecting water 5 into it, so that when the dishes in the cover body 4 are heated, the groove The water 5 in the 211 volatilizes into water vapor to achieve the moisturizing effect of the inside of the shell 4.

In addition, in order to better adapt to the different thicknesses of the annular bottom edge 31 of the bottom of the various dinner plates 3, as shown in Figures 6 and 7, the base 1 of the present invention can be provided with an upper half 15 and a lower half 16. The conductive member 21 is formed above the protruding upper half 15. The upper half 15 is a block that can move up and down, and can sink as the heating device 2 moves downwards. Therefore, the conductive member 21 and the base 1 can be gradually sunk according to the thickness of the bottom of the dinner plate 3 to accommodate the thicker annular bottom edge 31 of the bottom of the dinner plate 3.

Moreover, as shown in FIGS. 8-11, the conductive member 21 can be designed to be laminated. For example, the conductive member 21 includes a first conductive unit 212 and a plurality of second conductive units 213, wherein the plurality of second conductive units 213 is sequentially stacked and arranged around the first conductive unit 212, so that the conductive member 21 forms a stepped top, so that the bottom of the dinner plate of different sizes can fully contact the conductive member 21, and the The heating element 20 and the elastic body 22 are distributed on the bottoms of the first conductive unit 212 and the plurality of second conductive units 213, so that the first conductive unit 212 and the plurality of second conductive units 213 can both generate heat and be flexible up and down Displaced in the accommodating space 11. Taking Fig. 9 as an example, when a tableware a with a small volume, such as a soup bowl or a soup cup, is heated, the purpose of heating and keeping warm can be achieved by contact with the first conducting unit 212, while the larger tableware is shown in Fig. 10. In the case of the dinner plate b in the figure, the purpose of heating and keeping warm can be achieved by contacting the first conduction unit 212 and the second conduction unit 213 at the same time. Conduction unit 212, multiple second conduction units 213 The contact to achieve the effect of full contact heating and heat preservation at the bottom of the dinner plate c.

Therefore, through the above design, the present invention has the following advantages:

1. The present invention utilizes the gravity relationship after the dinner plate is placed, and cooperates with the heating device to be elastically displaced up and down in the accommodating space to control whether it is energized or not, and has the advantages of simple structure and low cost.

2. In the present invention, the top of the conductive member is fully in contact with the bottom of the dinner plate, and the annular bottom edge of the bottom of the dinner plate straddles the periphery of the heating device, etc., so that the heating area of the dinner plate is greatly increased, and The effect of uniform and rapid heating or heat preservation is achieved, which is different from the conventional induction cooker which can only conduct heat through the annular bottom edge of the dinner plate, and the effect of the present invention is better.

3. In the present invention, the design of adding a cover body is matched with the grooves on both sides of the conductive member to inject water into it, so that when the dishes in the cover are heated, the water in the grooves volatilizes into water vapor to prevent the problem of the dishes from burning , And the pressure relief hole of the cover can effectively balance the pressure inside and outside, making the cover easy to take.

4. The base of the present invention can also be designed to sink when the heating device is displaced downwards, so that it can be used according to the bottom thickness of different dishes.

5. The conductive element of the present invention can be designed to be laminated so that the bottom of the cutlery or dinner plate of different sizes can fully contact the conductive element.

6. The present invention is suitable for the use of any dinner plate, and through the battery setting, it is not limited by the occasion and is convenient to move. Therefore, whether it is for personal, family use or restaurant use, it can provide effective heating for each dinner plate. Or the effect of heat preservation is very convenient.

The above are the specific embodiments of the present invention and the technical means used. Many changes and corrections can be derived from the disclosure or teaching in this article, which can still be regarded as the present invention. The equivalent changes made to the conception, and the effects thereof do not exceed the essential spirit covered by the specification and the drawings, and should be regarded as falling within the technical scope of the present invention, and shall be explained first.

In summary, based on the content disclosed above, the present invention clearly achieves the intended purpose of the invention. It provides a heating pad for dinner plates, which is of great value for industrial use. Yan filed an application for a patent for invention in accordance with the law.

1‧‧‧Pedestal

11‧‧‧Accommodation space

12‧‧‧Power supply and battery module

121‧‧‧Rechargeable battery

13‧‧‧Control circuit module

14‧‧‧Sensing Module

2‧‧‧Heating device

20‧‧‧Heating body

21‧‧‧Transmitting parts

22‧‧‧Elastomer

3‧‧‧Dish plate

31‧‧‧Annular bottom edge

Claims (6)

A heating pad for a dinner plate, comprising: a base with an accommodating space, a power supply and a battery module and a control circuit module are arranged in the accommodating space, and the control circuit module is further connected with an induction module; And a heating device for combining with the accommodating space of the base. The heating device includes a conductive element and a heating element for heating the dinner plate placed on it, and the bottom of the dinner plate can be fully Contact with the conductive member; and, the heating device is provided with a number of elastic bodies, so that the heating device can be elastically displaced up and down in the accommodating space, and the heating device is also connected with the above-mentioned induction device, so that when the plate is placed After being placed on the conductive member, when the heating device is displaced downward due to the weight of the dinner plate to block the connection with the sensing device, the control circuit module can drive the heating device to generate heat; wherein the conductive member includes a A first conduction unit and a plurality of second conduction units, wherein the plurality of second conduction units are sequentially stacked and arranged around the first conduction unit, so that the conduction member forms a stepped top for different sizes The bottom of the dinner plate can be in full contact with the conductive member, and the heating element and the elastic body are distributed on the bottoms of the first conductive unit and the second conductive units, so that the first conductive unit and the second conductive units Both of the two conducting units can generate heat and can be elastically displaced up and down in the accommodating space. As described in the first item of the scope of patent application, the heating pad for a dinner plate, wherein the heating device includes a heat conductor, and the heat conduction system is arranged on the surface of the heating device, and the conductive member is heated to a preset temperature. It can be controlled by the control circuit module to maintain a constant temperature. As described in item 1 or 2 of the scope of patent application, the plate heating pad further includes a cover for covering the base, the cover is provided with a pressure relief hole, and the conductive member is provided with a Groove for Pour water into it. For the dish heating pad described in item 1 of the scope of patent application, the base includes an upper half and a lower half, wherein the conductive member is formed above the protruding upper half, and the upper half The part is a block that can move up and down, so that it can sink as the heating device moves downward. According to the first item of the scope of patent application, the heating pad for a dinner plate, wherein the power supply and battery module include a rechargeable battery. As described in the first item of the scope of patent application, the heating pad for a dinner plate, wherein the periphery of the heating device is provided for a ring-shaped bottom edge of the bottom of the dinner plate to be placed on.

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