JP2007234270A - Temperature detection unit and cooking vessel provided therewith - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a temperature detection unit that can be mounted to a pan without working the pan and is capable of accurately detecting a pan temperature, or a cooking vessel provided with the temperature detection unit. <P>SOLUTION: The temperature detection unit is provided with a temperature sensor 26 for detecting a temperature of the side face of the pan 21, an infrared transmitter 35 for transmitting an output signal sent from the temperature sensor 26 with an infrared ray, a holder 44 extended to the outside of a contact 25, and a spring 50 for urging the holder 44 in a direction of the contact 25. The temperature of the pan 21 is detected while holding the side of the pan 21 by adjusting an interval between the contact 25 and the holder 44, with an operating member 42 for adjusting the interval between the contact and the holder by moving the holder 44. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a temperature detection unit having transmission means for transmitting temperature information by infrared rays, and a cooking container provided with the temperature detection unit.

There is a cooking device that incorporates a temperature sensor and an infrared transmitter in the handle portion of the cooking container and transmits infrared communication temperature information to the heating cooker (see, for example, Patent Document 1).

A temperature sensor is installed in the cooking device, the RFID tag is stored in the handle, and the heating container is RF
Some devices have an ID reader and wirelessly transmit temperature information (see, for example, Patent Document 2).
JP-A-2005-158407 JP 2005-31890 A

However, in the cooking container shown in Patent Document 1, the temperature detection unit having an infrared transmitter is housed inside the handle, and the infrared transmitter must be fixed to the handle at the time of manufacture, so that the productivity is poor. there were.

Moreover, although the handle which accommodates a temperature detection unit is removable and the cooking container shown in patent document 2 can be used for various cooking utensils, since it is the composition which attaches a temperature sensor to a pan, processing to a pan itself is required. There was a problem that the production cost was high.

This invention is made | formed in view of the said situation, It aims at providing the cooking container which has the temperature detection unit which can be mounted | worn without processing a pan, and can detect the temperature of a pan correctly, or its temperature detection unit. .

In order to achieve the above object, the temperature detection unit according to the first aspect of the present invention is a temperature detection unit for detecting the temperature of the pan, and is provided so as to extend outward from the contact portion that contacts the pan and the contact portion. A clamping unit, a moving unit that moves the clamping unit and adjusts a distance between the contact unit and the clamping unit, a biasing unit that biases the clamping unit in the direction of the contact unit, and a pan provided in the contact unit. Temperature detecting means for detecting the temperature of the side surface, and transmission means for transmitting an output signal from the temperature detecting means by infrared rays, adjusting the interval between the sandwiching portion and the contact portion by the moving means, The temperature of the pan is detected by sandwiching the side portion.

In addition, in order to achieve the above object, a cooking container provided with the temperature detection unit of the invention of claim 2 is a cooking container constituted by a pan and a temperature detection unit for detecting the temperature of the pan, The temperature detection unit includes a contact portion that contacts the pan, a sandwiching portion provided outside the contact portion, a moving unit that moves the sandwiching portion and adjusts a distance between the contact portion and the sandwiching portion, and the sandwiching portion. Urging means for urging in the contact portion direction, temperature detecting means for detecting the temperature of the side surface of the pan provided in the contact portion, and transmission means for transmitting an output signal from the temperature detecting means by infrared rays, By adjusting the distance between the holding part and the contact part by the moving means, the side part of the pan is detachably held.

According to the present invention, since the temperature detection unit can be attached to and detached from the pan, there is no need to process the temperature detection unit to the pan, and the cost can be reduced. Furthermore, since the clamping part is provided so as to be urged toward the contact part side, the contact surface comes into contact with the outer surface of the pan, and the temperature sensor can detect the accurate surface temperature of the pan.

An embodiment of the present invention will be described with reference to FIGS.
FIG. 2 is a schematic view of the entire induction heating cooker. FIG. 1 is a longitudinal sectional view of the induction heating cooker and the cooking container. FIG. 3 is a perspective view of the cooking container. FIG. 4 is a perspective view of the temperature detection unit. FIG. 5 is a sectional view of the temperature detection unit in a normal state in which the temperature detection unit is removed from the pan. FIG. 6 is a cross-sectional view of the temperature detection unit in a state where the operation member is moved.
As shown in FIG. 2, an induction heating cooker 2 is housed inside the cabinet 1.
The induction heating cooker 2 includes a top plate 3 and a heating case 4 below the top plate 3. Among them, the top plate 3 is made of heat-resistant glass and is fixed to the upper surface of the cabinet 1, while the heating case 4 is housed inside the cabinet 1.
An operation panel 5 is fixed to the front surface of the heating case 4, and a power switch, a switch capable of adjusting heating, and the like are arranged.

A circular heating mark 6 is provided on the upper surface of the top rate 3, and serves as a mark so that the cooking container 20 is placed on the heating mark 6. A translucent part 7 capable of transmitting infrared light is formed at a position adjacent to the heating mark 6.
As shown in FIG. 1, an induction heating coil 8 is installed inside the heating case 4 below the heating mark 6, and a temperature at which the temperature of the cooking container 20 is detected via the top plate 3 at the center. A sensor 9 is provided.

Further, an infrared light receiving unit 10 is provided below the light transmitting unit 7 and has a function of receiving infrared light that has passed through the light transmitting unit 7 of the top plate 3.
In addition, a control unit 11 and a drive unit 12 are provided in the heating case 4, and the control unit 1
1 calculates the temperature of the cooking container 20 based on information from the temperature sensor 9 and the infrared transmitter 35, and performs induction heating coil 8 based on the cooking conditions input from the operation panel 5.
The induction heating cooker 2 as a whole is controlled such as heating control. The drive unit 12 has a function of adjusting the heating output by controlling the voltage input to the induction heating coil 8 according to the command of the control unit 11.

Next, the structure of the temperature detection unit 22 and the cooking vessel 20 will be described with reference to FIGS.
The cooking container 20 is comprised from the temperature detection unit 22 with which the pan 21 and the side part of the pan 21 are mounted | worn as shown in FIG. The temperature detection unit 22 is detachably attached to the pan 21 as will be described later with reference to FIGS. 5 and 6.
As will be described later, the temperature detection unit 22 has a function of detecting the temperature of the pot 21 and transmitting the temperature information downward by infrared rays. The temperature detection unit 22 is formed in a substantially inverted L-shape.
The temperature detection part 23 along the side surface and the extension part 2 extending outwardly from the temperature detection part 23 vertically
4.

In the temperature detection unit 23, three temperature sensors 26 serving as temperature detection means are accommodated in a portion in contact with the pot 21 (hereinafter referred to as a contact unit 25) in the vertical direction.
The temperature sensor 26 accommodated in the accommodating portion 27 of the contact portion 25 is accommodated via an elastic cushion 28, and is accommodated in a state where the temperature sensor 26 slightly protrudes from the contact surface of the contact portion 25 in a free state. The temperature of the pan 21 can be detected by directly contacting the pan 21.
Further, the temperature detector 23 stores a processing circuit 30 for reading the output of the temperature sensor 26 and converting it into information of infrared communication, a battery 31 for driving the processing circuit 30 and an infrared transmitter 35 described later. Yes.

Further, the extending portion 24 is provided with an infrared transmitter 35 as a transmitting means on the back surface, and is configured to transmit the temperature information output from the temperature sensor 26 from the infrared transmitter 35 downward. Yes. In addition, the extension part 24 is provided with a power switch 36 for starting supply of power from the battery 31 to the processing circuit 30.

Further, the temperature detection unit 22 is provided with a fixing unit 40 so as to be detachable from the pan 21.
The fixing unit 40 includes a fixing device 41 and an operation member 42 that is a moving means. Among these, the fixing device 41 is formed in an inverted L shape, and is fixed to the operation member 42.
A fixing portion 43 having a predetermined length, and a clamping portion 44 extending from the fixing portion 43 in parallel with the contact portion 25.
It consists of and.
The fixing unit 40 is housed in a slide groove 45 formed in the upper part of the temperature detection unit 23, and the holding part 44 of the fixing device 41 is opened from the opening 46 of the contact part 25 formed in communication with the slide groove 45. Is located outside (on the side in the figure) of the temperature detector 23.

Further, as shown in FIG. 4, the operation member 42 is exposed upward from a groove-shaped opening which is a movement guide portion 47 formed on the upper surface of the temperature detection portion 23, and the contact portion 25 is along the movement guide portion 47.
It is configured to be slidable in the direction.
In the slide groove 45, a spring 50 is installed between the contact portion 25 and the operation member 42. The operation member 42 is urged in a direction opposite to the contact portion 25 in a free state so that the operation member 42 is moved. It is located on the far side of the extension part 24 direction of the movement guide part 47. Therefore, the clamping part 44 of the fixing device 41
Is biased toward the contact portion 25 side. This state is the normal state shown in FIG.
Thus, by sliding the operation member 42 from the normal state (FIG. 5) toward the contact portion 25, the spring 50 is compressed as shown in FIG. 6, and the entire fixed unit 40 can be slid horizontally. Accordingly, the holding portion 44 of the fixing device 41 can be moved in a direction away from the contact portion 25 (a direction in which the interval between the holding portion 44 and the contact portion 25 is increased).

Next, the operation of these configurations will be described.
First, a method for attaching the temperature detection unit 22 to the pan 21 will be described.
In order to attach the temperature detection unit 22 to the pan 21, first, the operating guide 42 of the temperature detection unit 22 is slid toward the contact portion 25 while the spring 50 is compressed,
The interval between the clamping unit 44 and the contact unit 25 is widened by moving the clamping unit 44 away from the contact unit 25.
Then, while the operation member 42 is slid, the side portion of the pan 21 is sandwiched from above the sandwiching portion 44.
And the contact portion 25, and the fixed portion 43 is placed on the upper end surface of the side portion.

Next, when the operation member 42 is released, the fixed unit 40 automatically moves in the direction of returning to the normal position by the bias of the spring 50. At this time, as shown in FIG. Pan 21
The temperature detection unit 22 is attached to the pan 21. This state is the cooking container 20 in which the temperature detection unit 22 is attached to the pan 21.
In this state, due to the elasticity of the spring 50, a force is generated in which the sandwiching portion 44 is sandwiched from the inside of the side portion of the pan 21 from the outside, and the contact portion 25 is in close contact with the outer surface of the side portion of the pan 21. .
At this time, the temperature sensor 26 which is slightly outside the contact surface of the contact portion 25 is used for the cushion 2.
By compressing 8, the entirety is stored in the storage portion 27 and becomes substantially flush with the contact surface. Accordingly, the temperature sensor 26 can be in close contact with the outer surface of the side of the pan 21 and can directly detect the temperature of the pan 21.

Next, the temperature detection unit 22 attached when the pan 21 is heated will be described.
The position of the infrared transmitter 35 of the temperature detection unit 22 attached to the pan 21 is adjusted to be positioned above the light transmitting portion 7 of the top plate 3.
When the power switch 36 of the temperature detection unit 22 is turned ON, the processing circuit 30 is driven, the temperature sensor 26 detects the surface temperature of the outer surface of the side of the pan 21, and the processing circuit 30 transmits the temperature information to the infrared communication. The information is converted into information and sent to the infrared transmitter 35.
To send downward.
The transmitted infrared temperature information passes through the light transmitting portion 7 of the top plate 3 and the infrared light receiving portion 10 receives the infrared temperature line information.
And the control part 11 of the induction heating cooking appliance 2 commands the drive part 12 based on the infrared temperature information and the heating information instruct | indicated by the operation panel 5, and the drive part 12 is induction-heated by the command of this control part 11. The voltage input to the coil 8 is controlled to adjust the heating amount and perform appropriate cooking.

With the above configuration, the temperature detection unit 22 is provided with the temperature sensor 26 in the contact portion 25 that contacts the pan 21, and the clamping portion 44 that can adjust the distance from the contact portion 25 is contacted by the spring 50 that is an urging means. Since it is provided so as to be biased toward the part 25 side, it can be detachably attached to the pan 21, can easily detect the temperature, and can be attached to various types of pans 21. Therefore, there is no need to fix the temperature sensor 26 to the pan 21 so as not to be detachable, and the processing cost for fixing can be reduced.

Moreover, since the clamping part 44 was provided so that it might be urged | biased to the contact part 25 side, the contact surface of the contact part 25 contacts in the state crimped | bonded to the outer surface of the pan 21, and the temperature sensor 26 detects exact surface temperature. Can do.
Further, since the temperature sensor 26 is stored in the storage portion 27 of the contact portion 25 via the elastic cushion 28 so that a part of the temperature sensor 26 comes out from the contact surface of the contact portion 25, the temperature detection unit 22 is placed in the pan. When attached to 21, the cushion 28 is compressed by the clamping force between the clamping part 44 and the contact part 25, and the temperature sensor 26 can be brought into close contact with the side surface of the pan 21. Therefore, the temperature sensor 26 can be brought into contact with the pan 21 or the like having a different curvature on the side of the pan 21, and the temperature can be accurately detected.
In addition, the cooking container 20 has the same effect as the above-described effects. The sandwiching section 4 is provided with a temperature detection unit 22 and a temperature sensor 26 on the contact surface, and the distance between the contact surface and the contact surface can be adjusted.
4 is configured to be urged toward the contact portion 25 by the urging means, so that it can be detachably attached to the pan 21, and it is not necessary to fix the temperature sensor 26 to the pan 21. Can do.
Furthermore, since the cooking container 20 has a configuration in which the temperature detection unit 22 is mounted on the pan 21 and can be detachably mounted, the cooking container 20 can be stored or washed with the temperature detection unit 22 removed from the pan 21. Easy to use because it can.

Note that the design of the extended portion 24 can be changed as appropriate, and the extended portion 24 may be further extended to form a handle portion that can be gripped by the user. According to this, the user can extend the extension 24 during cooking.
The cooking container 20 can be moved easily.
In addition, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

The longitudinal cross-sectional view of an induction heating cooking appliance and a cooking container. The external view of the whole induction heating cooking appliance. The perspective view of a cooking container. The perspective view of a temperature detection unit. The temperature detection unit sectional drawing of the normal state which removed the temperature detection unit from the pan. The temperature detection unit sectional drawing of the state which moved the operation member.

Explanation of symbols

In the figure, 1 is a cabinet, 2 is an induction heating cooker, 3 is a top plate, 4 is a heating case,
5 is an operation panel, 6 is a heating mark, 7 is a translucent part, 8 is an induction heating coil, 9 is a temperature sensor,
10 is an infrared light receiving unit, 11 is a control unit, 12 is a drive unit, 20 is a cooking container, 21 is a pan, 22 is a temperature detection unit, 23 is a temperature detection unit, 24 is an extension unit, 25 is a contact unit, and 26 is Temperature sensor, 27 is a storage unit, 28 is a cushion, 30 is a processing circuit, 31 is a battery, 35 is an infrared transmitter, 36 is a power switch, 40 is a fixing unit, 41 is a fixing device, 42 is an operation member, 4
3 is a fixed part, 44 is a holding part, 45 is a slide groove, 46 is an opening, 47 is a movement guide part, 50
Indicates a spring.

Claims (2)

A temperature detection unit for detecting the temperature of the pan,
A contact portion that contacts the pan;
A clamping part provided to extend outward from the contact part;
Moving means for moving the clamping part and adjusting the distance between the contact part and the clamping part;
Urging means for urging the clamping part in the direction of the contact part;
Temperature detecting means for detecting the temperature of the side surface of the pan provided in the contact portion;
Transmission means for transmitting the output signal from the temperature detection means by infrared rays,
A temperature detection unit that adjusts a distance between the sandwiching portion and the contact portion by the moving means, sandwiches a side portion of the pan, and detects the temperature of the pan. A cooking container comprising a pan and a temperature detection unit for detecting the temperature of the pan,
The temperature detection unit includes:
A contact portion that contacts the pan;
A clamping part provided outside the contact part;
Moving means for moving the clamping part and adjusting the distance between the contact part and the clamping part;
Urging means for urging the clamping part in the direction of the contact part;
Temperature detecting means for detecting the temperature of the side surface of the pan provided in the contact portion;
Transmission means for transmitting the output signal from the temperature detection means by infrared rays,
The cooking container provided with the temperature detection unit characterized by adjusting the space | interval of the said clamping part and the said contact part by the said moving means, and clamping the side part of a pan so that attachment or detachment is possible.

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