KR20200137468A - Safety system for electric range - Google Patents

Abstract

The present invention relates to a safety system for an electric range. More particularly, the present invention relates to a safety system for an electric range which may ensure safe use of the electric range by confirming whether a cooking vessel is placed through a support communicating with the electric range in a short distance scheme while providing an aesthetic advantage by preventing fire accidents by checking and supporting a temperature of the cooking vessel even if the electric range is configured to be located at a lower portion of a shelf or configured not to be exposed outward. In the safety system for an electric range, the electric range is configured to be located at a lower portion or an inside at a shelf. Even if a support device does not directly make contact with the cooking vessel, the support device is placed at an upper portion of the shelf so that the cooking vessel is placed on an upper portion of the support device. The support device receives power from the electric range through electromagnetic induction between the support device and the electric range, and supports to heat the cooking vessel by the electromagnetic induction. A sensor configured to be located at the support device on which the cooking vessel is placed measures a temperature of the cooking vessel so that the support device provides temperature information to the electric range by short range communication. Therefore, since the electric range may be configured not to be exposed to an upper portion of the shelf, aesthetic appearance can be improved while ensuring selection autonomy of disposal of the electric range, and fire accidents can be prevented through temperature checking.

Description

Safety system for electric range

The present invention relates to a safety system for an electric cooker, and in more detail, even if the electric cooker is configured under the shelf or not exposed to the outside, it supports to check the temperature of the cooking container, thereby preventing a fire accident and providing an aesthetic advantage. At the same time, it relates to a safety system for an electric lage that ensures safe use of the electric range by ensuring that the cooking vessel is seated or not through a stand communicating with the electric range in close range.

In general, a conventional electric range (or induction range) is composed of an induction working coil that generates an electric induction action by operating a main controller, a top glass capable of raising a dedicated cooking vessel, and a temperature sensor that reads the temperature value of the vessel.

The electric range constructed in this way generates heat by reacting with an induction cooking vessel by electromagnetic induction by operating the induction working coil from the main controller when power is applied, and the temperature sensor under the top glass of the electric range Not only can you read the value and adjust the cooking vessel temperature from the main controller, but when the water in the pot evaporates, there is an automatic power off function to stop the operation by itself to prevent fire accidents caused by overheating, and to use the electric range safely. To support.

This electric range is configured to heat the cooking container through electromagnetic induction as described above, so if it is configured not to be exposed to the shelf, it is not restricted to the placement position, but the cooking container is not in close contact with the electric range, so that the temperature sensor The value becomes unreadable, which makes it inconvenient to use the electric range because it is not possible to control the temperature of the cooking container, and there is a problem that a fire accident may occur due to overheating of the cooking container.

Korean Patent Registration No. 10-1015763

In order to solve the above-described problem, the present invention supports to check the temperature of the cooking container even if the electric range for heating the cooking container is not exposed to the outside through electromagnetic induction or is configured under the shelf. Its purpose is to support the use and provide the aesthetic advantage of the shelf.

A safety system for an electric range according to an embodiment of the present invention includes a first main body of an electric range configured under or inside a shelf, and wirelessly transmitting power through electromagnetic induction. A first coil unit for short-range communication, a first short-range communication unit for short-range communication, a power supply unit for providing power, and a power supply of the power supply unit to the first coil unit to generate electromagnetic induction, and transmit information through the first short-range communication unit. An electric range including a first control unit to receive; And a second main body configured in the form of a pedestal and on which a cooking container is mounted, and a second main body configured inside the second main body to receive power wirelessly from the first coil part of the electric range and provide power through electromagnetic induction. A sensor unit for sensing the temperature of the cooking vessel mounted on the second coil unit and the second body unit in a non-contact method using infrared light, a second short range communication unit for short range communication with the first short range communication unit, and the After receiving power from the second coil unit and operating the sensor unit to generate temperature information about the temperature of the cooking container regardless of the irregularities of the cooking container based on the sensing signal of the sensor unit, the first short-range communication unit and the second Including a support device including a second control unit for controlling the temperature of the cooking vessel by the first control unit by transmitting to the first control unit of the electric range through short range communication between the short range communication unit, wherein the support device Is configured to further include a magnet, wherein the electric range is switched upon approaching the magnet to generate and provide a detection signal for the proximity of the magnet, and the first control unit of the electric range comprises the A safety system for an electric range that supplies power to the first coil unit only when the detection signal is received from the reed switch unit.

As an example related to the present invention, the first control unit of the electric range may be characterized in that it automatically cuts off the power supplied to the first coil unit when the temperature value according to the temperature information exceeds a preset reference value.

As an example related to the present invention, further comprising a user input unit for receiving a user input and generating input information, wherein the first control unit of the electric range is based on input information of the user input unit among a plurality of different heating strengths set in advance. It may be characterized in that the power supplied to the first coil unit is controlled by controlling the power supply unit according to a preset setting value corresponding to the heating intensity selected by the user.

As an example related to the present invention, the user input unit is configured in at least one of the first and second body parts, and when configured in the second body part, the second control unit transmits the input information to the first And transmission to the first control unit through short-range communication between the second short-range communication units.

As an example related to the present invention, the user input unit is configured to be fixed at least partially exposed on the upper portion of the shelf, and the electric range is wired to the user input unit to receive input information received from the user input unit and the first control unit It may be characterized in that it is configured to further include an interface to transmit to.

As an example related to the present invention, the user input unit may be configured as a remote control device that transmits the input information to the first control unit through short range communication with the first short range communication unit.

As an example related to the present invention, further comprising a display unit for displaying at least one of a temperature according to the temperature information, the heating intensity, and an operation state, wherein the first control unit includes a temperature according to the temperature information, the heating intensity, and State information on at least one of the operating states may be generated and displayed through the display unit.

The safety system for an electric cooker according to an embodiment of the present invention includes a pedestal device configured to be mounted on the shelf and the cooking container to be mounted on the shelf even when the electric range is configured at the bottom or inside of the shelf and there is no direct contact with the cooking container. Through electromagnetic induction between the electric ranges, the pedestal device receives power from the electric range and supports heating the cooking vessel through electromagnetic induction, and also measures the temperature of the cooking vessel through a sensor unit configured in the pedestal device on which the cooking vessel is seated. Therefore, by being configured to provide temperature information to the electric range through short-range communication from the pedestal device, the electric range can be configured so that it is not exposed to the top of the shelf, thereby ensuring the autonomy in selecting the location of the electric range while ensuring the beauty of the shelf. At the same time, it has the effect of supporting the prevention of fire accidents through temperature check.

1 is a cross-sectional view of a safety system for an electric range according to an embodiment of the present invention.
2 is a detailed configuration diagram of a pedestal device according to an embodiment of the present invention.
3 is a block diagram of a safety system for an electric range according to an embodiment of the present invention.
4 is a flowchart illustrating an operation of a safety system for an electric range according to an embodiment of the present invention.

Hereinafter, detailed embodiments of the present invention will be described with reference to the drawings.

1 is a cross-sectional configuration diagram of a safety system for an electric range according to an embodiment of the present invention, Figure 2 is a detailed configuration diagram of a pedestal device according to an embodiment of the present invention, Figure 3 is according to an embodiment of the present invention It is a block diagram of the construction of a safety system for an electric range.

As shown, the safety system for the electric range 10 according to the embodiment of the present invention is configured under or inside the shelf (shelf of the kitchen or dining table) 1, and the electric range that transmits power through electromagnetic induction (10), and may be configured to include a pedestal device 20 for receiving the power wirelessly from the electric range 10.

In this case, the cooking container may be a cooking container for exclusive use of induction.

In addition, the electric range 10 is configured with a first coil unit for wirelessly transmitting power to the pedestal device 20, and the pedestal device 20 is electromagnetically transmitted from the first coil unit 13 A second coil unit 25 for wirelessly receiving power through induction may be configured.

Accordingly, the second coil unit 25 configured in the pedestal device 20 generates an induced current based on the power wirelessly received from the electric range 10.

In addition, the electric range 10 can communicate with each other through short-range communication with the pedestal device 20, and the pedestal device 20 includes a sensor unit 22 for sensing temperature, and the sensor unit 22 ), the measured temperature information may be transmitted to the electric range 10 through short-range communication. At this time, the sensor unit 22 may be a non-contact temperature sensor composed of an infrared light emitting unit and a light receiving unit. Through this, even when the bottom of the container and the base 20 are not in close contact (corrugations, container legs, etc.) You can check the temperature.

Through this, the electric range 10 can check (confirm) the temperature of the cooking container 2 based on the temperature-related temperature information of the cooking container 2 generated by the pedestal device 20, and the temperature is When it rises above the set reference value, it is automatically turned off to prevent overheating of the cooking container 2 and a fire accident resulting therefrom.

According to the above-described configuration, the safety system for the electric range 10 according to the embodiment of the present invention is configured to heat the cooking vessel 2 through electromagnetic induction, so that the electric range 10 is not limited to the placement position. (1) In the case of the lower part or the inside of the shelf (1), the electric range (10) is placed because it does not directly contact the cooking container (2) and the temperature of the cooking container (2) cannot be checked by the electric range (10). It is possible to easily solve the problem of limitation in the shelf (20), through which the electric range (10) can be configured under or inside the shelf (1), thereby improving the aesthetic advantage of the shelf (1). At the same time, even when the electric range 10 is configured under or inside the shelf 1, it is possible to easily prevent a fire accident so that it can be used safely.

In this case, the electric range 10 described in the present invention may be an induction range for heating the cooking vessel 2 through electromagnetic induction.

Hereinafter, a detailed embodiment of the present invention will be described with reference to FIGS. 1 to 3 based on the above-described configuration.

As shown, the safety system for the electric range 10 according to the embodiment of the present invention may be configured to include the electric range 10 and the pedestal device 20.

At this time, the electric range 10 is configured in the first body portion 11 of the electric range 10 configured in the lower or inside of the shelf 1 and the inside of the first body portion 11 to prevent electromagnetic induction. The first coil unit 13 for wirelessly transmitting power through the first coil unit 13, the first short-range communication unit 15 for short-range communication, the power supply unit 14 for providing power, and the power supply unit ( 14) may be provided to generate electromagnetic induction, and may include a first control unit 12 for receiving information through the first short-range communication unit 15.

In this case, the first coil unit 13, the first short-range communication unit 15, the power supply unit 14, and the first control unit 12 may be included in the first body unit 11 and configured.

In addition, the power supply unit 14 may be connected to an external power source by wire, and may include a plug to provide power provided from the external power source to the first control unit 12 and the first coil unit 13. .

On the other hand, the pedestal device 20 is configured in the form of a pedestal, the second main body 21 on which the cooking vessel 2 is seated, and the second main body 21 is configured in the electric range 10 A second coil unit 25 for wirelessly receiving power from the first coil unit 13 of ), and a sensor unit for sensing the temperature of the cooking vessel 2 mounted on the second body unit 21 ( 22) and a second short range communication unit 24 for short range communication with the first short range communication unit 15.

In addition, the pedestal device 20 receives power from the second coil unit 25 and operates the sensor unit 22, so that the cooking container 2 is After generating temperature information about the temperature, it is transmitted to the first control unit 12 of the electric range 10 through short-range communication between the first short-range communication unit 15 and the second short-range communication unit 24 to transmit the first It may be configured to include a second control unit 23 for controlling the temperature of the cooking container 2 by the control unit 12.

At this time, the second coil unit 25, the sensor unit 22, the second short-range communication unit 24, and the second control unit 23 are included in the second body unit 21 to be configured. Can be.

In the above configuration, the first control unit 12 and the second control unit 23 may be configured as a microcontroller unit (MCU).

In addition, the first short range communication unit 15 of the electric range 10 may communicate with the second short range communication unit 24 of the pedestal device 20 in short range.

At this time, short-range communication described in the present invention includes Bluetooth, Long Range (LoRa), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), ZigBee, and Near Field Communication. : NFC) can be applied to various communication methods.

Based on the above-described configuration, a detailed operation configuration of the safety system for the electric range 10 according to the embodiment of the present invention will be described in detail with reference to FIG. 4.

First, the first control unit 12 of the electric range 10 is provided from the power supply unit 14 when the pedestal device 20 is mounted on the shelf 1 to face the electric range 10 The first coil unit 13 provides the power to the first coil unit 13, and the first coil unit 13 includes a first coil and provides the power to the first coil to provide a second Electric power may be wirelessly transmitted to the second coil unit 25 of the pedestal device 20 through electromagnetic induction with the second coil included in the coil unit 25 (S1).

Accordingly, the second coil portion 25 of the pedestal device 20 is configured to include the second coil, and the power provided from the first coil portion 13 is transmitted to the second coil portion 25 of the pedestal device 20. It can be provided to the control unit 23.

That is, even when the electric range 10 is located under or inside the shelf 1 and there is no direct contact with the cooking container 2, the cooking container 2 can be heated through the support device 20.

In addition, the second control unit 23 of the pedestal device 20 operates based on the power provided from the second coil unit 25, and the power is supplied to the sensor unit 22 configured in the pedestal device 20. By providing a temperature-related sensing signal of the cooking vessel 2 measured by the sensor unit 22 may be received from the sensor unit 22 (S2).

In this case, the sensor unit 22 may include a temperature sensor that senses the temperature of the cooking container 2 and generates a sensing signal.

In addition, the second control unit 23 generates temperature-related temperature information of the cooking vessel 2 based on the sensing signal received from the sensor unit 22, and a second short-range communication unit configured in the pedestal device 20 The temperature information may be transmitted to the first short-range communication unit 15 of the electric range 10 through (24) (S3).

Accordingly, the first control unit 12 of the electric range 10 receives the temperature information transmitted from the pedestal device 20 through the first short-range communication unit 15, and based on the temperature information, the The temperature of the cooking vessel 2 can be checked.

Through this, the first control unit 12 checks the temperature of the cooking vessel 2 based on the temperature information, and provides a power supply unit 14 that provides power to the first coil unit 13 according to the temperature. By controlling, the power supplied to the first coil unit 13 may be adjusted.

As an example of controlling the temperature of the cooking vessel 2, the first control unit 12 of the electric range 10 is the first coil unit (S4) when the temperature value according to the temperature information is equal to or higher than a preset reference value (S4). The power provided to 13) can be automatically cut off (S5).

Through the above-described configuration, the safety system for the electric range 10 according to the embodiment of the present invention is that the electric range 10 is configured under or inside the shelf 1 so that there is no direct contact with the cooking container 2. Even in the case of short-range communication with the electric range 10 and measuring the temperature of the cooking vessel 2 through the sensor unit 22 configured in the pedestal device 20 on which the cooking vessel 2 is seated, By being configured to provide temperature information to the electric range 10 through communication, the electric range 10 can be configured so that it is not exposed to the top of the shelf 1, thereby ensuring autonomy in selecting the location of the electric range 10 While providing an advantage to the aesthetics of the shelf 1, it is possible to support to prevent a fire accident through a temperature check in the electric range 10.

Meanwhile, in the above-described configuration, the pedestal device 20 may be configured to further include a magnet 26.

In this case, the magnet 26 may be configured by exposing the inside or a part of the second body portion 21 of the pedestal device 20.

In addition, the electric range 10 may be configured to further include a reed switch 16 that is switched when the magnet 26 approaches and generates and provides a detection signal for the approach of the magnet 26. have.

In this case, the reed switch unit 16 may be configured inside the first main body 11 of the electric range 10.

According to the above-described configuration, the first control unit 12 of the electric range 10 can supply power to the first coil unit 13 only in a state in which the detection signal is received from the reed switch unit 16. have.

* That is, the electric range 10 may be operated only when the pedestal device 20 is positioned in a correct position facing the electric range 10 to prevent unnecessary power consumption.

Meanwhile, the safety system for the electric range 10 according to an embodiment of the present invention may further include a user input unit 30 that receives a user input and generates input information.

Accordingly, the first control unit 12 of the electric range 10 is set in advance corresponding to the heating intensity selected by the user based on the input information of the user input unit 30 among a plurality of different heating intensities set in advance. By controlling the power supply 14 (or power supply of the power supply) according to a value, power (or current amount) provided to the first coil unit 13 may be adjusted.

In this case, the user input unit 30 may be configured in at least one of the first body portion 11 and the second body portion 21.

In addition, when the user input unit 30 is configured in the second body portion 21 of the pedestal device 20, the second control unit 23 of the pedestal device 20 sends the input information to the first and second 2 It may be transmitted to the first control unit 12 through short-range communication between the short-range communication units 24.

In addition, the user input unit 30 may be configured to be fixed by at least partially exposed on the upper portion of the shelf 1.

In this case, the electric range 10 may further include an interface unit that is connected to the user input unit 30 by wire and transmits input information received from the user input unit 30 to the first control unit 12. .

In addition, the user input unit 30 may be configured as a remote control that transmits the input information to the first control unit 12 through short range communication with the first short range communication unit 15.

Through the above-described configuration, the first control unit 12 of the electric range 10 includes the cooking container 2 according to the heating intensity selected by the user based on the input information received through the user input unit 30. By operating to heat, it is possible to support the user to adjust the temperature of the cooking vessel 2 through the adjustment of the heating intensity through the user input unit 30.

Meanwhile, the safety system for the electric range 10 according to the embodiment of the present invention may further include a display unit 27 for displaying at least one of a temperature according to temperature information, the heating intensity, and an operation state. .

Here, the operating state may mean an ON or OFF related state of the electric range 10.

In this case, the display unit 27 may be configured by partially exposing at least one of the first main body 11 of the electric range 10 and the second main body 21 of the pedestal device 20, It may be configured to include at least one of a display and an LED.

In addition, the display unit 27 may be configured by partially exposing the upper portion of the shelf 1 separately from the first and second body parts 11 and 12, and in this case, the interface unit of the electric range 10 And the display unit 27 may be wired to each other.

In addition, the display unit 27 may be configured as a touch screen together with the user input unit 30.

Accordingly, when the display unit 27 is configured in the electric range 10 or separately configured, the first control unit 12 provides state information on at least one of a temperature according to the temperature information, the heating intensity, and an operation state. It can be generated and displayed through the display unit 27.

In addition, when the display unit 27 is configured on the pedestal device 20, the second control unit 23 transmits the first control unit 12 of the electric range 10 through the second short-range communication unit 24 The state information may be received and the state information may be displayed through the display unit 27.

The various devices and components described herein may be implemented by hardware circuitry (eg, CMOS-based logic circuitry), firmware, software, or a combination thereof. For example, it may be implemented using transistors, logic gates, and electronic circuits in the form of various electrical structures.

The above contents may be modified and modified without departing from the essential characteristics of the present invention by those of ordinary skill in the technical field to which the present invention belongs. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

1: shelf 2: cooking container
10: electric range 11: first body portion
12: first control unit 13: first coil unit
14: power supply unit 15: first short-range communication unit
16: reed switch unit 20: pedestal device
21: second body portion 22: sensor portion
23: second control unit 24: second short-range communication unit
25: second coil unit 26: magnet
27: display unit 30: user input unit

Claims (7)

A first body part of an electric range configured under or inside the shelf, a first coil part configured inside the first body part to wirelessly transmit power through electromagnetic induction, and a first short-range communication part for short-range communication And, an electric range including a power supply unit for providing power, and a first control unit configured to generate electromagnetic induction by supplying power to the power unit to the first coil unit and receive information through the first short-range communication unit; And
A second main body configured in the form of a pedestal and on which a cooking container is mounted, and a second main body configured inside the second main body to receive power wirelessly from the first coil part of the electric range and provide power through electromagnetic induction. The second coil unit, the sensor unit for sensing the temperature of the cooking vessel seated on the second body unit in a non-contact method using infrared rays, a second short range communication unit for short range communication with the first short range communication unit, and the second 2 After receiving power from the coil unit and operating the sensor unit, based on the sensing signal of the sensor unit, temperature information on the temperature of the cooking container is generated, and then the first short-range communication unit and the second short-range Including a pedestal device including a second control unit for transmitting to the first control unit of the electric range through short-range communication between the communication units to control the temperature of the cooking container by the first control unit,
The pedestal device is configured to further include a magnet,
The electric range is configured to further include a reed switch unit that is switched when the magnet approaches and generates and provides a detection signal for the approach of the magnet,
A safety system for an electric range, wherein the first control unit of the electric range supplies power to the first coil unit only when the detection signal is received from the reed switch unit.
The method according to claim 1,
The safety system for an electric range, wherein the first control unit of the electric range automatically cuts off power provided to the first coil unit when the temperature value according to the temperature information is equal to or greater than a preset reference value.
The method according to claim 1,
Further comprising a user input unit for generating input information by receiving a user input,
The first control unit of the electric range controls the power supply unit according to a preset value in response to a heating intensity selected by a user based on input information of the user input unit among a plurality of preset heating intensities. Safety system for electric ranges, characterized in that regulating the power supplied to some.
The method of claim 3,
The user input unit
It is configured in at least one of the first body portion and the second body portion,
When configured in the second body unit, the second control unit transmits the input information to the first control unit through short range communication between the first and second short range communication units.
The method of claim 3,
The user input unit is configured to be fixed by at least partially exposed to the upper portion of the shelf,
The electric range further comprises an interface unit connected to the user input unit by wire to transmit input information received from the user input unit to the first control unit.
The method of claim 3,
The safety system for an electric range, wherein the user input unit is configured as a remote control device that transmits the input information to the first control unit through short range communication with the first short range communication unit.
The method of claim 3,
Further comprising a display unit for displaying at least one of a temperature according to the temperature information, the heating intensity, and an operating state,
The first control unit generates status information on at least one of a temperature according to the temperature information, the heating intensity, and an operation state, and displays the status information through the display unit.

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