JP2000283464A - Cooking temperature detecting device for gas cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cooking temperature detecting device for a gas cooker capable of detecting temperature correctly without increasing costs. SOLUTION: A cooking temperature detecting device A for detecting temperature at a bottom face of a cooking appliance 2 by bringing an upper end thereof into elastic contact with the bottom face of the cooking appliance 2 such as a pan is inserted vertically in an approximately central part of an annular cooker burner 1. A temperature sensor 6 is embedded in a center of a heat accumulating member 4 provided on an upper end of the cooking temperature detecting member A and the top face of the heat accumulating member 4 abutted against the bottom of the cooking appliance 2 is formed as a protruding part 7 slightly raised at a center of the top face.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking temperature detecting device for detecting the temperature of the bottom of a cooking appliance such as a pot placed above a stove burner in a gas stove.

[0002]

2. Description of the Related Art In recent years, it has been widely used to attach a cooking temperature detecting device for detecting the temperature at the bottom of a cooking appliance such as a pan to a gas stove. In this case, FIG.
As shown in (a), a cooking temperature detecting device A is disposed so as to be vertically inserted substantially in the center of an annular stove burner 1, and a cooking utensil 2 such as a pot placed on a gotoku 3. The upper surface of the cooking temperature detector A is brought into contact with the bottom surface to detect the temperature of the bottom surface of the cooking appliance 2. In the cooking temperature detecting device A, the upper end surface moves up and down by a predetermined height due to the elasticity of the spring so as to elastically contact the bottom surface of the cooking appliance 2.

At the upper end of the cooking temperature detecting device A, a temperature sensor is buried at the center of the heat collector 4, and the upper surface of the heat collector 4 that contacts the bottom surface of the cooking appliance 2 is a flat surface having a certain area. It has become. However, if the upper surface of the heat collector 4 is flat, and if an abnormal force is applied to the cooking temperature detecting device A, the upper surface of the heat collector 4 is placed on the bottom of the cooking appliance 2 as shown in FIG. There is a case in which a large gap is formed between the upper surface of the heat collector 4 and the bottom surface of the cooking appliance 2 without the center of the upper surface of the heat collector 4 coming into contact with the bottom surface of the cooking appliance 2. In this case, heat such as convection heat from the flame of the stove burner 1 is transmitted to this gap, and the temperature of the bottom surface of the cooking appliance 2 is not accurately detected by the temperature sensor under the influence of the combustion of the stove burner 1. There is a problem that occurs.

In order to solve such a problem, FIG.
As shown in (a), the heat insulation tube 5 is arranged so as to surround the outer periphery of the cooking temperature detection device A, and the heat insulation tube 5 is attached to the stove burner 1.

[0005]

However, when the heat insulating cylinder 5 is attached to the burner cap 1a of the stove burner 1 as described above, the material cost and the processing cost of the burner cap 1a are added, and the cost is increased. There's a problem.

[0006] The present invention has been made in view of the above points, and an object of the present invention is to provide a cooking stove temperature detection device for a gas stove that can accurately detect the temperature without increasing the cost.

[0007]

In order to solve the above-mentioned problems, a cooking stove cooking temperature detecting device according to the present invention has an upper end elastically contacting the bottom surface of a cooking utensil 2 such as a pot so as to measure the temperature of the bottom surface of the cooking utensil 2. The cooking temperature detecting device A to be detected is disposed so as to be vertically inserted substantially in the center of the annular stove burner 1, and the temperature sensor 6 is embedded in the center of the heat collector 4 provided at the upper end of the cooking temperature detecting device A. In addition, the upper surface of the heat collector 4 that is applied to the bottom surface of the cooking appliance 2 is formed as a convex portion 7 in which the center of the upper surface is slightly higher. As described above, the upper surface of the heat collector 4 is formed as the convex portion 7 having a slightly higher center, so that the center of the upper surface of the heat collector 4 always comes into contact with the bottom of the cooking appliance 2 and the conventional unevenness is obtained. It is possible to accurately detect the temperature of the bottom surface of the cooking utensil 2 without having a large gap and without being affected by heat generated by the combustion of the stove burner 1. For this reason, the temperature can be accurately detected without increasing the cost such as providing a heat insulating cylinder as in the related art.

It is also preferred that the upper surface of the heat collector 4 is formed as a gentle R surface 7a to form a convex surface portion 7 whose central portion is higher. It is also preferable that the upper surface of the heat collector 4 is formed as the inclined surface 7b so as to form the convex portion 7 whose central portion becomes higher.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 3 and 4, a temperature detecting device A for cooking includes a heat collector 4, a spring 8, a temperature sensor 6 such as a thermistor element, a lead wire 9, a sleeve 10, and a support pipe 11. And so on. A heat collector 4 is integrally mounted on the upper end of the sleeve 10, a temperature sensor 6 is embedded in the center of the heat collector 4, and a lower portion of the sleeve 10 is vertically movable on an upper portion of the support pipe 11. And the collar 1 at the upper end of the support pipe 11 in the sleeve 10.
A spring 8 is provided between the heat collector 2 and the heat collector 4, and a lead wire 9 connected to the temperature sensor 6 is inserted through the sleeve 10 and the support pipe 11. The heat collector 4 is formed of, for example, brass, the sleeve 10 is formed of stainless steel, and the heat collector 4 and the sleeve 10 are made of different materials so that the space between the heat collector 4 and the sleeve 10 is reduced. Heat conduction is reduced.

The heat collector 4 is provided on its outer periphery with a flange 4a projecting from the sleeve 10 to the outer periphery, so that the area of the upper surface of the heat collector 4 is increased. The upper surface of the heat collector 4 is formed as a convex portion 7 whose central portion is slightly higher. In the case of the present example, the convex portion 7 is provided by forming a gentle R surface 7a having a high center portion, and the convex portion has a convex curved shape. Even if such a convex portion 7 is provided by forming an inclined surface 7b such that the central portion of the upper surface becomes higher as shown in FIG.
It may be formed by providing a small step 7c around the periphery as shown in FIG.

[0011] The cooking temperature detecting device A thus configured
As shown in FIGS. 1 and 2, a cooking temperature detecting device is disposed vertically so as to be inserted through the center of an annular stove burner 1, and when a cooking utensil 2 such as a pot is placed on a gotoku 3. The upper surface of the heat collector 4 of A is in contact with the bottom surface of the cooking appliance 2 so as to be in elastic contact therewith. The cooking utensil 2 with the upper surface of the heat collector 4
When the heat collector 4 is brought into elastic contact with the bottom surface, the upper surface of the heat collector 4 is the convex portion 7, so that the center of the convex portion 7 always comes into contact with the bottom surface of the cooking appliance 2, and heat is collected as in the conventional uneven contact. The gap formed between the upper surface of the body 4 and the bottom surface of the cooking utensil 2 is small, and even if convective heat is transmitted from the flame F of the stove burner 1 as shown by an arrow a in FIG. , The temperature of the bottom surface of the cooking appliance 2 is accurately transmitted to the temperature sensor 6, and the temperature sensor 6 accurately detects the temperature of the bottom surface of the cooking appliance 2. This makes it possible to accurately detect the temperature at the bottom of the cooking appliance 2 so as not to be affected by the combustion of the stove burner 1 without providing a heat shield cylinder as in the related art.

[0012]

As described above, according to the present invention, a cooking temperature detecting device for detecting the temperature of the bottom surface of a cooking appliance by the upper end elastically contacting the bottom surface of the cooking appliance such as a pot is provided substantially at the center of an annular stove burner. Arranged vertically so that the temperature sensor is buried in the center of the heat collector provided at the upper end of the cooking temperature detector, and the upper surface of the heat collector that is applied to the bottom of the cooking appliance is slightly convex in the center of the upper surface. So that the center of the top surface of the heat collector always contacts the bottom surface of the cooking utensil, and there is no gap as large as that of the conventional eccentricity, and it is not affected by the heat generated by the combustion of the stove burner. Thus, the temperature of the bottom surface of the cooking appliance can be accurately detected, and therefore, the temperature can be accurately detected without increasing the cost of providing a heat insulating cylinder as in the related art.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view illustrating an operation of an example of an embodiment of the present invention.

FIG. 2 is a sectional view of a specific example of the above.

FIG. 3 is a partially cutaway front view showing a specific structure of the cooking temperature detecting device of the above.

FIG. 4 is a sectional view showing an internal structure of the cooking temperature detecting device according to the first embodiment;

FIGS. 5A and 5B are cross-sectional views of a heat collector according to another example of the embodiment of the above embodiment.

FIG. 6 (a) is a front view of a conventional example, and FIG. 6 (b) is a front view showing a conventional uneven contact.

[Explanation of symbols]

 A Cooking Temperature Detector 1 Stove Burner 2 Cooking Appliance 4 Heat Collector 6 Temperature Sensor 7 Convex Surface

Claims (3)

[Claims] 1. A cooking temperature detecting device for detecting a temperature of a bottom surface of a cooking appliance by an upper end elastically contacting a bottom surface of the cooking appliance such as a pot is disposed so as to be vertically inserted into a substantially center of an annular stove burner. The temperature sensor is buried in the center of the heat collector provided at the upper end of the cooking temperature detecting device, and the upper surface of the heat collector, which is applied to the bottom of the cooking appliance, is formed as a convex portion in which the center of the upper surface is slightly higher. Gas stove cooking temperature detection device. 2. The cooking stove temperature detecting device for a gas stove according to claim 1, wherein the upper surface of the heat collector is formed as a gentle R surface so as to form a convex portion having a higher central portion. 3. The cooking stove temperature detecting device for a gas stove according to claim 1, wherein the upper surface of the heat collector is formed as an inclined surface so that the central portion is formed as a convex surface having a height.