KR20230081118A - Beverage container with heat and automatic temperature control by wireless charging - Google Patents

Abstract

The present invention relates to a beverage container, and more particularly, to a beverage container capable of charging power supplied from a wireless charging pad and generating heat by the charged power to heat a beverage.
To this end, the present invention is seated on top of the wireless charging pad and a container for receiving a beverage; a power receiving module positioned in a space provided below the bottom of the container to receive and charge the current induced from the wireless charging pad; a chip-type circuit unit that controls charging of the power receiving module and determines whether or not to supply the charged power; It consists of a PTC heater located below the inner bottom of the container in the space and heating the beverage received with the power charged in the power receiving module by the control of the circuit, and the circuit and the outside of the PTC heater are insulated. characterized in that it is insulated by

Description

Beverage container with heat and automatic temperature control by wireless charging}

The present invention relates to a beverage container, and more particularly, to a beverage container that charges power supplied from a wireless charging pad, heats a beverage by generating heat with the charged power, and automatically adjusts the temperature to prevent overheating. .

In homes and offices, mugs, which are pottery-shaped containers, are widely used to drink hot coffee, tea, etc., but these pottery-type beverage containers do not have excellent heat retention, so the beverage contained inside is easily cooled. there is.

In addition, in order to drink a warm beverage, the beverage is accommodated in a separate container and then heated using a heating tool, or coffee or tea is put into the beverage container and then heated water is poured to drink it. It is very inconvenient to need a gas stove, electric stove, coffee pot, etc. for heating.

Therefore, recently, a heater and a charger that can be charged wirelessly are built into the beverage container to receive power from the wireless charging pad and then supply the charged power to the heater to heat the beverage or maintain the temperature of the heated beverage. A beverage container capable of generating heat has been proposed.

As an example of such a beverage container, as shown in Figure 1, a wireless charging pad 10 that generates an induced current by power supply; A container 20 seated on the wireless charging pad 10 and accommodating a beverage; A power receiving module 30 located in the space portion S provided below the bottom portion of the container 20 to receive and charge the current induced from the wireless charging pad 10; a chip-type circuit unit 40 that controls charging of power to the power receiving module 30 by a user's selection and determines whether or not to supply the charged power; A PTC heater (50) located in close contact with the lower side of the bottom surface of the container (20) in the space (S) and heating the beverage received with the power charged in the power receiving module (30) under the control of the circuit unit (40). );

Therefore, when the user accommodates the beverage in the container 20 and then puts it on the upper side of the wireless charging pad 10, the induced current generated from the wireless charging pad 10 is supplied to the receiving module 30 to The battery is charged, and the PTC heater 50 is operated by the charged power to heat or keep the beverage warm.

By the way, since the container 20 has a built-in PTC heater 50 in the space portion S formed on the lower side of the bottom portion, the heat generated from the PTC heater 50 heats the beverage, but also the heat generated in the container ( 20) is directly transferred to the circuit part 40 along the wall, and since the PTC heater 50 is exposed from the inside of the space S, heat due to radiant heat and convection is directly transmitted to the circuit part 40. There is a problem in that the applied circuit unit 40 in the form of a chip is damaged by heat.

That is, since the beverage accommodated in the container 20 is usually heated to 60 to 100 ° C, the temperature of the heat transferred from the PTC heater 50 is higher than the heat resistance temperature of the chip constituting the circuit unit 40 as shown in FIG. In this case, the circuit unit 40 is damaged by heat and does not operate normally, and as a result, the container 20 is overheated and the risk of safety accidents such as burns is very high.

In addition, when the beverage is heated in a state in which the beverage is not accommodated in the container 20, the container 20 itself may be heated to 100 ° C. or more. When the beverage is accommodated in the container 20, the beverage serves as a cooling water. Although the case where the PTC heater 50 is rapidly overheated does not occur by heat exchange, when the beverage is not received, the PTC heater 50 is rapidly overheated and the circuit part 40 is quickly damaged by the heat, When the user touches the container 20 with his/her hand without knowing that the container 20 is in an overheated state as the overheat is transmitted to the container 20, the risk of safety accidents such as burns is very high.

In addition, since this container 20 simply has a function of heating or maintaining a heated beverage, and does not have a function of maintaining the temperature of a cool cold beverage, it has limitations in use.

<Prior art literature>

1. Korean Patent Publication No. 10-2009-0040702

(heating container using wireless charging)

2. Registered Patent No. 10-2248151

(Smart electric heating heater)

3. Registered Patent No. 10-2038222

(Portable cup holder with wireless charging)

In order to solve these conventional problems, the present invention automatically adjusts the temperature of the beverage while preventing overheating of the PTC heater, and prevents damage by preventing heat from the container from being transferred to the circuit part, as well as preventing damage to the beverage contained in the container The purpose is to provide a beverage container that is heated and automatically temperature-controlled by wireless charging that can be heated as well as cooled.

In order to achieve the above object, the beverage container with heating and automatic temperature control by wireless charging according to the first embodiment of the present invention,

A container seated on top of the wireless charging pad and accommodating a beverage;

a power receiving module positioned in a space provided below the bottom surface of the container to receive and charge the current induced from the wireless charging pad;

a chip-type circuit unit that controls charging of the power receiving module and determines whether or not to supply the charged power;

A PTC heater located below the inner bottom of the container in the space and heating the beverage received with the power charged in the power receiving module under the control of the circuit unit;

The circuit part and the outside of the PTC heater are insulated by a heat insulating material, and the heat insulating material is characterized in that composed of graphite.

In addition, as a second embodiment of the present invention,

It is formed as a double container with an outer container surrounding the outer side of the inner container, a lower space is formed on the lower side between the inner container and the outer container, and a side space is formed on the side of the inner container and the outer container. A container formed to be in communication with and receiving power wirelessly from a wireless charging pad;

a power receiving module located in a lower space provided below the bottom of the container and receiving and charging the current induced from the wireless charging pad;

a chip-type circuit unit that controls charging of the power receiving module and determines whether or not to supply the charged power;

It is characterized by consisting of a; PTC heater located below the inner bottom surface of the container in the space part and heating the beverage received with the power charged in the power receiving module by the control of the circuit part.

In addition, the wireless charging pad is further provided with a power transmission module, a weight sensor, and a CPU, and the CPU compares the weight detected by the weight sensor with the weight of the predetermined container itself and transmits the comparison result to the container, According to the comparison result, the container is configured to perform the charging mode.

In addition, a temperature sensor is provided in close contact with the lower side of the lower surface of the container in the lower space, and the circuit unit controls the operation of the PTC heater by the temperature sensed by the temperature sensor.

The outer container is coupled to be separated from the inner container, and an ice pack filled with a coolant is inserted into the side space.

According to the present invention configured as described above, there is an advantage in preventing damage to the circuit unit by preventing the heat generated from the PTC heater from being transferred to the circuit unit only to the received beverage side by the heat insulation structure.

In addition, if you place a container on the wireless charging pad and want to heat it while no beverage is contained in the container, the power supply is cut off to prevent the empty container from overheating, thereby preventing damage to the circuit and safety accidents such as burns. has the advantage of preventing

In addition, since the ice pack is inserted into the side space of the double container, it is possible to drink a cool drink as needed.

Figure 1 is a diagram showing the cross-sectional structure of a beverage container that generates heat by a general wireless charging.
Fig. 2 is a graph showing the relationship between the temperature of the PTC heater and the heat resistance temperature of the chip of the circuit part according to the structure of Fig. 2;
Figure 3 is a diagram showing a first embodiment of a beverage container with heating and automatic temperature control by wireless charging according to the present invention.
Figure 4 shows a second embodiment of the present invention;
Fig. 5 shows a third embodiment of the present invention;
Fig. 6 shows a fourth embodiment of the present invention;
Figure 7 is a view showing another form of the container to which the present invention is applied.
Fig. 8 shows an exploded structure of a fifth embodiment of the present invention;
Figure 9 is a cross-sectional structural view of Figure 8;
10 is a circuit block diagram and a circuit block diagram of a wireless charging pad applied to the present invention.
Fig. 11 is a flowchart showing a sixth embodiment of the present invention;
Fig. 12 is a diagram for explaining the temperature increase in a state in which a beverage is contained in a container and in a state in which it is not contained;

The above objects, features and advantages will be described later in detail with reference to the accompanying drawings, and accordingly, those skilled in the art to which the present invention belongs will be able to easily implement the technical spirit of the present invention.

In describing the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, the embodiments of the present invention exemplified below may be modified in many different forms, and the scope of the present invention is not limited to the embodiments described below.

The embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art.

Figure 3 is a diagram showing a first embodiment of a beverage container that generates heat by wireless charging according to the present invention, the basic structure is the same as or similar to the prior art structure shown in FIG.

That is, a wireless charging pad 10 generating an induced current by power supply, a container 20 seated on the wireless charging pad 10 and accommodating a beverage, and a bottom portion provided on the lower side of the container 20 The power receiving module 30 located in the space portion S receives and charges the current induced from the wireless charging pad 10, and controls the charging of power to the power receiving module 30 by a user's selection, In addition, a chip-type circuit unit 40 that determines whether or not to supply charged power is located in close contact with the lower portion of the bottom surface of the container 20 in the space unit S, and the circuit unit 40 controls the The structure composed of the PTC heater 50 for heating the beverage accommodated with the power charged in the power receiving module 30 is similar or the same.

However, in the first embodiment of the present invention, a structure is further added to prevent the heat generated from the PTC heater 50 from being directly applied to the circuit part 40 by the heat insulating material 51, and the container is made of ceramics like a mug. It can be.

The PTC heater 50 is fixed in close contact with the lower part of the bottom of the container 20, so that the generated heat is directly transmitted through the bottom of the container 20 to heat or keep the beverage warm, and such a PTC heater ( 50) is covered with a heat insulator 51 to prevent heat from being transferred to the circuit part 40 located on the lower side in the space S.

This insulator 51 is composed of graphite, preferably composed of or containing expanded graphite to reduce thermal conductivity so that the heat generated from the PTC heater 50 is completely transmitted to the bottom of the container 20, By insulating the heat transferred to the space portion (S), while increasing thermal efficiency, radiant heat and convective heat transferred to the space portion (S) are blocked to prevent the circuit portion 40 made of chips from being damaged by heat.

In order to more stably protect the circuit part 40, the circuit part 40 also has a structure that completely blocks radiant heat and convective heat from the space part S by being covered with an insulating material 41 on the outside. there is.

4 is a second embodiment of the present invention, the PTC heater 50 is not in close contact with the bottom portion of the container 20 and is positioned so as to maintain a slight gap, and the bottom portion of the container 20 and the PTC heater 50 ) By positioning the heat insulator 51 up to the upper part of the PTC heater 50, the heat generated from the PTC heater 50 is transferred to the bottom part of the nearby container 20, and is transmitted to the circuit part 40 through the body of the container 20 It may have a structure to prevent it.

Of course, the structure in which the heat insulating material 41 is provided in the circuit unit 40 is the same as that of the first embodiment of the present invention.

Figure 5 is a diagram showing the structure of the third embodiment of the present invention, the container 100 is composed of a double container, the inner container 120 is located inside the cup-shaped outer container 110, the outer container 110 ) The upper part of the inner container 120 is configured to contact each other, and similarly, the lower part of the container 100 has a lower part between the lower part of the inner container 120 and the lower part of the outer container 110. A space portion (S) is formed.

In addition, since the side space S1 is formed between the side of the outer container 110 and the side of the inner container 120, the heat generated from the PTC heater 50 is transferred only to the inner container 120, and the outer container (110), the heat generated from the PTC heater 50 is not transferred to the lower space (S) and the side space (S1) as they communicate with each other. ), it is sufficiently cooled and does not have a large effect on the circuit part 40.

That is, in the structure described in FIG. 1, the heat generated from the PTC heater 50 is directly transmitted to the side portion of the container 20 where the space portion S is located and can affect the circuit portion 40, and also the space Since the size of the unit (S) is limited, convective heat and radiant heat are not easily cooled, but in the third embodiment of the present invention, the heat generated from the PTC heater 50 is transferred to the side surface of the inner container 120 As it is exchanged with the beverage inside, it is transferred to the outer container 110, so that the heat transmitted to the circuit unit 40 through the body of the container 100 is very weak.

In addition, since convective heat and radiant heat can be sufficiently cooled in the wide space of the lower space S and the side space S1, the effect of heat on the circuit part 40 is also minimized.

Of course, as in the fourth embodiment of FIG. 6, radiant heat can be prevented by providing an insulator 51 in the PTC heater 50, and also by providing an insulator 41 in the circuit part 40, the effect of radiant heat and convective heat By blocking it, damage can be prevented.

In the above, the structure of the container 100 of the present invention is shown in the form of a cup, but as shown in FIG. 7, it may also be applied to a container having a plate form.

That is, by accommodating the food in the dish-shaped container 100, it is possible to consume the food while heating it warmly for a relatively long time.

In such a plate-shaped container 100, since the inner container 120 has a very large contact area with food, the heat transmitted to the circuit unit through the outer container 110 is weaker and has no effect.

8 is a diagram showing a fifth embodiment of the present invention, in which the lower portion of the outer container 120 is detachable, so that the ice pack 200 can be accommodated in the side space S1.

That is, by accommodating the cooled ice pack 200 in the side space S1 in order to drink a cold beverage in summer, the cooling heat is transferred to the beverage inside through the inner container 120.

To this end, a separate lower container 110-1 is detachably coupled from the middle to the lower part of the outer container 120. Along the threaded fastening portion 112 is formed.

Therefore, it is screwed and fastened with the fastening part formed along the lower circumference of the outer container 120, and when the lower container 110-1 is separated, the lower part of the side space S1 is opened.

The ice pack 200 is formed in a ring shape with an open lower side and a height to match the shape of the side space S1 so that it can be fitted into the side space S1, and a coolant such as water is filled therein. .

9 is a view showing a cross-sectional structure in which the lower container 110-1 is fastened in a state in which an ice pack 200 is inserted into the side space S1, and the lower space S is the bottom of the outer container 110. It has a structure that is not opened by the ring-shaped wall 114 connected to the part, and only the part of the lower container 110-1 is separated and it is possible to escape downward.

In the state where the side space (S1) is opened in this way, when the cooled ice pack 200 is also inserted into the side space (S1) and then the lower container (110-1) is fastened, the ice pack 200 is placed in the side space ( While being stably accommodated in S1), cooling heat is supplied to the inner container 120 to cool the beverage.

In addition, the lower portion of the lower container 110-1 is in contact with the wall 114 to seal the side space S1, and the inner circumference of the lower portion of the lower container 110-1 or the wall ( Packing 115 may be provided along the outer circumference of 114).

On the other hand, a pressure sensor 45 is provided on the side of the wall 114. When a coolant such as water inside the ice pack 200 melts, the liquid coolant is driven to the lower side of the ice pack 200, and the pressure sensor ( 45), the high pressure is applied evenly.

Accordingly, the pressure value sensed by the pressure sensor 45 is received by the controller 46 and notified to the user through the display unit 47 .

This display unit 47 may be formed of an LED and installed to be exposed through the outer container 20 .

For each embodiment of the present invention, when the container 20 or 100 is placed on the wireless charging pad 100 in a state where the beverage is not accommodated or the heating mode of the container 20 or 100 itself is selected, the container 20 or 100 Overheating may occur.

That is, when the beverage is heated while it is received, the temperature rises slowly as shown in the graph of FIG. , in the state where there is no beverage, since there is no coolant, the temperature rises rapidly and overheating occurs.

Therefore, a temperature sensor 44 is further provided in contact with the bottom surface of the bottom of the containers 20 and 100 in the lower space S, and the temperature value from the temperature sensor 44 is received from the controller 46 and is higher than the set temperature. If it is high, the switch 43 is turned off to stop the operation of the PTC heater 50.

Through this operation, overheating of the containers 20 and 100 is prevented, and when the beverage is received, the temperature of the beverage can be automatically maintained at a constant temperature.

As another form for resolving the overheating state of the containers 20 and 100, a weight sensor 13 may be provided on the wireless charging pad 10. When the containers 20 and 100 are placed on the wireless charging pad 10, the weight The sensor 13 detects the weight and supplies it to the CPU 11, and the CPU 11 controls the power transmission module 12 through this to control the power supplied to the containers 20 and 100.

That is, the CPU 11 already knows the intrinsic weight of the containers 20 and 100, receives the detected weight from the weight sensor 13, compares it with the intrinsic weight, and determines that the weight is the same or within the set value, the transmission module The operation of (12) is stopped, and the comparison result is transmitted to the communication unit 48 of the containers 20 and 100 through the communication unit 140.

Accordingly, the communication unit 48 of the containers 20 and 100 performs only a charging mode for charging the power received in the charging unit 42, and the heating operation is not performed by turning off the switch 43.

The communication unit 14, 48 communicates by short-range communication such as Bluetooth, and when linked with a user's smartphone, it is possible to inform the smartphone that it is in a charging mode.

11 is a flow chart for automatically adjusting the temperature of the beverage accommodated therein and preventing overheating in a state in which the containers 20 and 100 are placed on the wireless charging pad 10, and the temperature change of the beverage by various experiments. When the beverage is heated by the heater 50 in a state in which the reference value is set by storing the standard data value in the controller 46, the controller 46 receives the temperature change value of the beverage from the temperature sensor 44.

At this time, if beverages are accommodated in the containers 20 and 100, the controller 46 compares the temperature value detected by the temperature sensor 44 with a preset temperature reference value, and if it is within the normal range of the temperature reference value, the power receiving module 30 The switch 430 is turned on so that the power received by the heater 50 can be supplied.

As a result, the beverage in the containers 20 and 100 is heated, and by repeatedly performing this process, the temperature is automatically adjusted to maintain the heated temperature.

On the other hand, when the detected temperature value exceeds the temperature reference value and is out of the normal range, either the container 20 or 100 is in an overheated state because the beverage is not accommodated, or an overheated state due to its abnormal operation due to a failure of the circuit part 40 or the like. would.

Therefore, the controller 46 transmits the information on the overheating state to the communication unit 14 of the wireless charging pad 10 through the communication unit 48, whereby the CPU 11 stops the operation of the power transmission module 12. By blocking the power transmission function, the supply of power to the containers 20 and 100 is blocked, thereby preventing the containers 20 and 100 from overheating.

In addition, without communication through the communication units 14 and 48, 120 KHz wireless communication between the power transmission module 12 and the power reception module 30 can enable the power transmission module 12 to enter the sleep mode, and the controller 46 ) transmits information on the overheating state of 120 KHz to the power transmission module 12 wirelessly through the power receiving module 30, the CPU 11 converts the power transmission module 12 to the sleep mode accordingly to supply power is blocked, and when the CPU 11 receives information that the overheating state is resolved through the power receiving module 30 and the power transmission module 12, the power transmission module 12 is switched to the operation mode again to supply power. You will be able to.

As another method, in the case of heating a beverage by power supplied from the wireless charging pad 40, it is necessary to appropriately control cutting off the power supplied according to the temperature change of the containers 20 and 100. For this purpose, the containers 20 and 100 By analyzing the change in the heating temperature and the change in the temperature at which the heater 50 cools down when the heat is cut off, the container 20 or 100 in a state in which no beverage is received is recognized by an algorithm, and the controller 46 communicates with the communication unit 48 A power supply cut-off signal is transmitted to the communication unit 14 of the wireless charging pad 10 through.

The controller 46 of the circuit part 40 has the temperature change data of the containers 20 and 100 being heated and the temperature change data of the cooling down, and monitors the temperature value input from the temperature sensor 44 to determine the temperature of the heater 50. When the temperature change of the containers 20 and 100 during operation rapidly rises as shown in FIG. 12, it is determined that the beverage is not received, and if the containers 20 and 100 are rapidly cooled when the operation of the heater 50 is stopped, This can also be determined as a state in which the beverage is not accepted.

Therefore, the CPU 11 of the wireless charging pad 10 cuts off power supply to the power receiving module 30 by switching the power transmission module 12 to a sleep mode.

In addition, it is possible to determine the amount of beverage according to the rate of increase or decrease in temperature. The CPU 11 also has data on the rate of increase or decrease in temperature according to the amount of beverage. Although the increase in temperature occurs more slowly than in the non-receiving state, it rises faster than when a lot of beverages are accommodated, so the amount of beverage can be determined through this, and the CPU 11 transmits information about the amount of beverage to the wireless charging pad ( 40), it is possible to appropriately control the power supplied to the power receiving module 30 according to the amount of beverage.

Of course, since the cooling speed varies depending on the amount of beverage accommodated in the containers 20 and 100 in a state in which the supply of power from the wireless charging pad 40 is cut off, the power supply state of the power transmission module 12 is controlled accordingly. , If a small amount of beverage is accommodated, the cooling rate is fast, and if a large amount of beverage is accommodated, the cooling rate is relatively slow. Is transmitted to the wireless charging pad (40).

As a result, the presence or absence of a beverage and the amount of the beverage are judged according to the rate of increase or decrease in the temperature of the container 20 or 100, and the power supplied from the wireless charging pad 40 is appropriately cut off to prevent overheating of the container 20 or 100 as well as overheating. It is possible to prevent the risk of burns caused by the container.

In addition, although wireless communication can be performed through the communication units 14 and 48 in each of the above-mentioned embodiments, the communication units 14 and 43 are not necessarily used, and the power transmission module 12 and the power reception module 30 Transmission of information may be possible with a frequency of 120 KHz.

Having described specific parts of the present invention in detail above, it is clear to those skilled in the art that these specific descriptions are merely preferred embodiments, and the scope of the present invention is not limited thereby. something to do.

Accordingly, the substantial scope of the present invention will be defined by the appended claims and their equivalents.

S,S1: space part
10: wireless charging pad
11 : CPU
12: power transmission module
13: weight sensor
14: Communication Department
20,100: Courage
30: power supply module
40: circuit part
41: insulation
42: charging part
43: switch
44: temperature sensor
45: pressure sensor
46: Controller
47: display
48: Ministry of Communications
50: heater
51: insulation
110: inner container
110-1: lower container
112: fastening part
114: wall
115: packing
120: outer container
200: ice pack

Claims (12)

A container seated on top of the wireless charging pad and accommodating a beverage;
a power receiving module positioned in a space provided below the bottom surface of the container to receive and charge the current induced from the wireless charging pad;
a chip-type circuit unit that controls charging of the power receiving module and determines whether or not to supply the charged power;
A PTC heater located below the inner bottom of the container in the space and heating the beverage received with the power charged in the power receiving module under the control of the circuit unit;
Heating and automatic temperature control beverage container by wireless charging, characterized in that the outside of the circuit and the PTC heater is insulated by a heat insulating material.
The beverage container according to claim 1, wherein the heat insulator is heat-generating and automatically temperature-controlled by wireless charging, characterized in that graphite.
It is formed as a double container with an outer container surrounding the outer side of the inner container, a lower space is formed on the lower side between the inner container and the outer container, and a side space is formed on the side of the inner container and the outer container. A container formed to be in communication with and receiving power wirelessly from a wireless charging pad;
a power receiving module located in a lower space provided below the bottom of the container and receiving and charging the current induced from the wireless charging pad;
a chip-type circuit unit that controls charging of the power receiving module and determines whether or not to supply the charged power;
A PTC heater located below the inner bottom of the container in the space and heating the beverage received with the power charged in the power receiving module by the control of the circuit unit; heating and automatic temperature by wireless charging, characterized in that consisting of Adjustable beverage containers.
The method according to any one of claims 1 to 3, wherein the wireless charging pad further includes a power transmission module, a weight sensor, and a CPU, and the CPU measures the weight detected by the weight sensor and the preset weight of the container itself. A beverage container with heating and automatic temperature control by wireless charging, characterized in that the comparison is performed to transmit the comparison result to the container, and the container is configured to perform a charging mode according to the comparison result.
The method of any one of claims 1 or 3, wherein a temperature sensor is provided in close contact with the lower side of the lower surface of the container in the lower space, and the circuit unit controls the operation of the PTC heater by the temperature detected by the temperature sensor. Beverage container with heating and automatic temperature control by wireless charging, characterized in that for controlling.
The beverage container according to claim 1 or 3, wherein an ice pack filled with a coolant is inserted into the side space.
The method of claim 1 or 3, wherein the outer container is detachably coupled from the inner container, and an ice pack filled with a coolant is inserted into the side space. and a thermostatically controlled beverage container.
According to any one of claims 1 or 3, wherein the circuit portion and the outside of the PTC heater is heated by wireless charging and automatically temperature-controlled beverage container, characterized in that insulated by a heat insulating material.
The beverage container according to claim 8, wherein the heat insulator is heat-generating and automatically temperature-controlled by wireless charging, characterized in that graphite.
According to any one of claims 1 or 3, wherein the circuit unit detects the temperature of the beverage accommodated in the container by the temperature sensor, and the wireless charging when the sensed temperature exceeds a preset temperature value range Heating and automatically temperature-controlled beverage container by wireless charging, characterized in that configured to cut off the power supplied from the wireless charging pad by transmitting information about the overheating state to the pad.
The method of any one of claims 1 or 3, wherein the circuit unit stores data on changes in the heating temperature and cooling temperature of the container, senses the temperature of the container by a temperature sensor, and stores the detected temperature in advance. Heating and automatically temperature-controlled beverage by wireless charging, characterized in that it is configured to determine whether the beverage is accommodated in the container by comparing with data on temperature change, and transmit the corresponding information to the wireless charging pad to cut off the power supply. courage.
The beverage container according to claim 1 or 3, wherein the power transmission module and the power reception module provided in the wireless charging pad communicate wirelessly at 120 KHz.

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