JP3476609B2 - Cooker burner - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stove burner provided with an integrated thermocouple capable of obtaining high electromotive force.

[0002]

2. Description of the Related Art An integrated thermocouple in which a plurality of thermocouple elements are connected in series to a stove burner composed of a burner body and a burner head used in a gas table or the like has its hot junction as the main flame outlet on the periphery. Face the main flame that is formed, the cold junction faces the center secondary air hole, and assemble it integrally.
For example, a stove burner that can be used also as a charging power source for charging a secondary battery has been previously filed and proposed by the applicant of the present application (Japanese Patent Application No. 6-305476).
This technique is very excellent because it can efficiently obtain a high electromotive force and can be effectively used as a power source for charging a secondary battery.

[0003]

However, in the above stove burner, when the stove burner including the burner main body and the burner head is made of a metal having conductivity, it is used as an insulating measure between the stove burner and the integrated thermocouple. Since it is necessary to interpose an insulating material on or to apply an insulating coating to the thermocouple element, not only the structure becomes complicated, but also the cost becomes high,
In addition, the temperature difference between the hot junction and the cold junction of the integrated thermocouple is difficult to obtain, and there is a problem that it is difficult to assemble it on the stove burner.

The stove burner of the present invention solves the above-mentioned problems, and in addition to sufficient insulation measures, it is easy to obtain a temperature difference between the hot junction and the cold junction, and a high electromotive force is efficiently obtained. The purpose is to provide a stove burner that can be easily attached to the stove.

[0005]

A first hob burner according to the present invention, which solves the above problems, mounts a burner head on a burner body to form a large number of main flame openings at its peripheral edge, and Is a stove burner that forms secondary air holes, an integrated thermocouple in which a plurality of thermocouple elements are connected in series is made to face its hot junction into the main flame formed at the main flame port, and the cold junction is Installed so as to face the inside of the secondary air hole, the integrated thermocouple is incorporated into a thermocouple holder having a heat-resistant insulating property such as ceramics to form a donut plate shape, and the donut plate integrated type top thermocouple Symbol burner body and the bar
And summary a configuration in which Installation between Naheddo. In the first stove burner of the present invention having the above-mentioned configuration, the integrated thermocouple is formed in a donut plate shape by being incorporated in a thermocouple holder having heat-resistant insulation such as ceramics,
Since the thermocouple holder serves as an insulator, a sufficient insulating effect can be obtained, and the temperature difference between the hot junction and the cold junction can be easily obtained. Also, it can be easily installed in the burner. As a result, a high electromotive force can be efficiently obtained with a simple structure.

A second hob burner according to the present invention which solves the above-mentioned problems is characterized in that the donut plate-shaped integrated thermocouple is integrally mounted on a burner head.
Further, the gist of the third stove burner is a configuration in which the donut plate-shaped integrated thermocouple is integrally assembled and installed in the burner body. According to the second or third stove burner of the present invention having the above-mentioned configuration, the donut plate-shaped integrated thermocouple is integrally installed on the burner head or the burner body, and therefore, the first stove is provided. In addition to the action and effect of the burner, the burner body and the burner head can be attached and detached without any trouble. As a result, the stove burner can be easily and surely cleaned.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A structure in which an integrated thermocouple is incorporated into a ceramic or other thermocouple holder having heat-resistant insulation and formed into a donut plate shape is integrally assembled and installed in a stove burner. A large number of flame hole grooves that form a main flame hole are radially provided on the lower surface of the peripheral edge made of another object having heat resistant insulation, and a short cylinder portion that forms a secondary air hole is provided in the central portion, and , A donut plate-shaped thermocouple holder A having a structure in which a fitting groove into which each thermocouple element of an integrated thermocouple described later can be fitted, copper, chromel and constantan etc. Such as two different metal wires are alternately arranged, and by connecting them, an integrated thermocouple TC in which a plurality of thermocouple elements having hot junctions and cold junctions are connected in series, metal or ceramic, etc. Of the above thermocouple holder A It has a short tubular joint that fits and connects to the tubular part to form a secondary air hole in the center, and an umbrella that prevents the inflow of broth etc. is provided on the upper part, and the thermocouple on the lower surface of the periphery. A head plate B having a structure in which a bonding portion for adhesively fixing to the holder A is provided, and each of the integrated thermocouples TC is fitted in a fitting groove formed in the upper surface of the donut plate-shaped thermocouple holder A. After the thermocouple element is fitted and held, the head plate B is overlaid on the thermocouple holder A, and the peripheral joint portion and the central short tubular joint portion are attached to the thermocouple holder A by a heat resistant adhesive or the like. By integrally bonding the thermocouple holder A having the integrated thermocouple TC and the head plate body B by adhesive bonding, the burner head D in which the integrated thermocouple TC is assembled and installed is configured.

By mounting the burner head D, on which the integrated thermocouple TC is assembled and installed, on the burner body E made of sheet metal having a mixing chamber, a large number of main flame openings due to flame openings are provided on the periphery. The hot junction is heated by facing the main flame formed in the main flame opening, and the cold junction is cooled by facing the central secondary air hole. The stove burner is equipped with an integrated thermocouple TC. It can be achieved by the means. The stove burner is used as a stove burner such as a gas table.

Although an example of the embodiment of the present invention has been described above, the present invention is not limited to the embodiment and can be implemented in various forms without departing from the scope of the present invention. Of course.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to further clarify the structure, operation, and embodiment of the present invention described above, an embodiment in which a stove burner of the present invention is specifically described will be described with reference to the drawings.

The first embodiment shown in FIGS. 1 to 7 is an embodiment in which an integrated thermocouple is integrally mounted on a burner head of a stove burner, and A is a ceramic or other heat-resistant material. A donut plate-shaped thermocouple holder made of an insulative material, with a large number of flame hole grooves 1a forming a main flame hole 1 radially on the lower surface of the peripheral edge, and a secondary air hole 2 at the center.
Has a short tubular portion 2a that forms a groove, and has a structure in which a fitting groove 4 into which an individual thermocouple element 3 of an integrated thermocouple TC described later can be fitted and held is formed on the upper surface (FIG. 3 and FIG. (See FIG. 7).

TC is an integrated thermocouple, in which two different kinds of metal wires 3a and 3b, which are metal wires such as copper and chromel and metal wires such as constantan, which are cut to a certain size, are alternately arranged. A plurality of thermocouple elements 3 having a hot junction a and a cold junction b connected to each other are connected in series and arranged in a circular shape (see FIG. 6). As the integrated thermocouple TC, in addition to the above-mentioned wire rod, for example,
As in the embodiment shown in FIGS. 10 and 11, two different donut-shaped metal plates provided with a plurality of fan-shaped holes and element forming portions on the same circumference are provided with adjacent fan-shaped holes and element forming portions. A plate having a structure in which a plurality of thermocouple elements 3 having two different metal pieces 3a and 3b formed by the element forming portion as a pair are connected in series by shifting in the circumferential direction by the pitch between the portions and integrally superposing. An integrated thermocouple TC may be used.

Reference numeral B denotes a head plate made of metal or ceramics, which is a short tube-shaped joint 2b which is fitted and connected to the short tube 2a of the thermocouple holder A to form the secondary air hole 2. Is provided in the center, an umbrella 5 for preventing the inflow of broth and the like is provided on the upper part thereof, and a joint portion 6 for adhesively fixing to the thermocouple holder A is provided on the lower surface of the peripheral edge (Fig. 3).
As the head plate B, for example, a head plate B made of sheet metal may be used as shown in FIG. In this case, the connection with the thermocouple holder A is preferably performed by crimping or fitting.

The above-mentioned donut plate-shaped thermocouple holder A
The burner head D is constructed by assembling the components including the integrated thermocouple TC and the head plate B according to the following procedure. That is, each of the thermocouple elements 3 of the integrated thermocouple TC is fitted into the fitting groove 4 formed in the upper surface of the donut plate-shaped thermocouple holder A.
The metal wire 3a, 3b of the thermocouple holder A is fitted and held.
Assemble the integrated thermocouple TC (see FIG. 2). In addition,
After fitting the metal wires 3a and 3b of each thermocouple element 3 of the integrated thermocouple TC into the fitting groove 4 of the thermocouple holder A, insulation is provided in the gap between the fitting groove 4 and the metal wires 3a and 3b. When the objects 7 are packed and integrated with each other, not only the holding thereof becomes firm but also the insulating effect is secured (see FIG. 4). But,
This is not necessary if the metal wires 3a and 3b are immersed in the fitting groove 4 and fitted and held.

After that, the head plate B is overlaid on the thermocouple holder A, and the joint portion 6 on the lower surface of the peripheral edge thereof and the short tubular joint portion 2b at the center are attached to the thermocouple holder A by a heat-resistant adhesive or the like. By integrally fixing the thermocouple holder A having the integrated thermocouple TC and the head plate B by adhesive fixing, the burner head D having the integrated thermocouple TC installed therein is installed.
When the head plate B is made of metal, the thermocouple holder A
The insulating performance is improved by interposing the insulating material 8 between the head plate body B and the head plate body B just in case (see FIG. 5). In addition, FIG.
When the plate-shaped integrated thermocouple shown in FIG. 11 is used, for example, the integrated thermocouple TC is sandwiched and held between the thermocouple holder A and the head plate B in a donut shape. (Not shown).

A burner head E having a mixing chamber 9 and a burner head E on which an integrated thermocouple TC is assembled is installed.
By placing it on the top, it has a large number of main flame openings 1 formed by the flame opening grooves 1a on the periphery, and the hot junction a faces the main flame 9 formed in the main flame opening 1 and is heated, so that the cold junction b has a large temperature difference due to being cooled by facing the inside of the secondary air hole 2 in the center, and for example, is an integrated thermocouple TC that obtains a high electromotive force that can be sufficiently used as a power source for charging a secondary battery. The equipped stove burner is configured (see FIGS. 1 and 5).

Next, a second embodiment shown in FIGS. 8 and 9 is one in which an integrated thermocouple is integrally assembled and installed in the burner main body of the stove burner. The same functional parts as those in FIG. A doughnut-shaped thermocouple holder A made of ceramic or other material having heat-resistant insulation is provided with a short tubular joint 2a, and a gas passage 10 communicating with the mixing chamber 9 of the burner body E is provided.
The gas from the mixing chamber 9 is guided to the main flame port 1 through the gas passage holes 10 by making holes between the fitting grooves 4. Incidentally, flame hole grooves forming a main flame ports thermoelectric Taiho lifting bodies in this embodiment is not provided. Further, in the thermocouple holder A, as in the first embodiment, the metal wire 3a of each thermocouple element 3 of the integrated thermocouple TC is provided in the fitting groove 4 formed in the upper surface thereof.
3b is fitted and held, and the integrated thermocouple TC is assembled to the thermocouple holder A. The thermocouple holder A having the integrated thermocouple TC assembled is laid on the burner body E, and the peripheral edge of the burner body E is attached. The thermocouple holder A is bonded and fixed to the burner body E at the upper joint portion 11 and the central joint portion 12 with a heat-resistant adhesive or the like (see FIG. 9).

The integrated thermocouple TC described above is connected to the burner body E.
In the case where the burner head D is integrally connected to the burner head D, the burner head D has a cylindrical portion 13 that forms the secondary air hole 2 in the center like the conventional stove burner. Is provided with a flame port groove 1a that forms a large number of main flame ports 1.
Moreover, a structure is provided in which an umbrella 5 for preventing the inflow of broth or the like is provided in the upper center portion. By mounting this burner head D on the thermocouple holder A integrally connected to the burner body E, Has a large number of main flame openings 1 formed by the flame opening groove 1a, and a secondary air hole 2 formed by a joint portion 2a of the thermocouple holder A and a cylindrical portion 13 of the burner head D in the center. The hot junction a of the integrated thermocouple TC is formed in the main flame opening 1 and is exposed to the main flame f to be heated, and the cold junction b is exposed to the air hole 2 in the center to be cooled. A stove burner with a pair of TCs is constructed (see FIG. 8).

[0019]

As described above, in the above-described first stove burner of the present invention, the integrated thermocouple is incorporated into a thermocouple holder having a heat-resistant insulating property such as ceramic, and is integrally formed in a donut plate shape. The thermocouple holder acts as an insulator to obtain a sufficient insulating effect, and since a temperature difference between the hot junction and cold junction is easily obtained, high electromotive force is efficiently obtained, and the power source for charging the secondary battery is obtained. Can also be used effectively. Further, since the integrated thermocouple is formed in a donut plate shape, it can be easily and surely assembled and installed in the stove burner.

In a second stove burner of the present invention, the donut plate-shaped integrated thermocouple is integrally installed on a burner head, and a third stove burner is installed in the donut plate-shaped integrated type. Since the thermocouple is integrated and installed in the burner body, in addition to the effect of the above-mentioned first stove burner, the burner body and the burner head can be attached and detached without any trouble, so the stove burner can be easily cleaned. , You can definitely do it.

Further, since the integrated thermocouple is formed in a donut plate shape by the thermocouple holder, the cost is low in combination with the simplification of the assembling and installing structure.

[Brief description of drawings]

FIG. 1 is an overall sectional view of a first embodiment of a stove burner according to the present invention.

FIG. 2 is a plan view of an integrated thermocouple formed in a donut plate shape.

FIG. 3 is a sectional view showing a donut plate-shaped integrated thermocouple and a head plate separately.

FIG. 4 is an enlarged sectional view taken along line XX of FIG.

FIG. 5 is an overall cross-sectional view when the head plate is made of sheet metal.

FIG. 6 is a plan view of an integrated thermocouple only.

FIG. 7 is a plan view of only the thermocouple holder.

FIG. 8 is an overall sectional view of a second embodiment of the stove burner of the present invention.

FIG. 9 is a plan view with the burner head removed.

FIG. 10 is a perspective view of a different integrated thermocouple.

FIG. 11 is a plan view thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Main flame port, 2 ... Secondary air hole, 3 ... Thermocouple element, A ... Thermocouple holder, B ... Head plate body, TC ... Integrated thermocouple, D
… Burner head, E… Burner body

Continuation of the front page (56) Reference Japanese Unexamined Patent Publication No. 8-145347 (JP, A) Actually open 63-61616 (JP, U) Actually open 61-86601 (JP, U) Actually open 2-114393 (JP , U) Actually open 60-71850 (JP, U) Actually open 59-8045 (JP, U) Special public 38-10082 (JP, B1) Actual public 32-16387 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) F23N 5/10 F23D 14/06 H01L 35/32

Claims (3)

(57) [Claims] 1. A plurality of thermocouple elements are connected in series to a stove burner in which a burner head is mounted on a burner body and a large number of main flame openings are formed in the periphery and a secondary air hole is formed in the central portion. The integrated thermocouple connected to the above is installed such that its hot junction faces the main flame formed in the main flame mouth and the cold junction faces the secondary air hole. was formed in the ceramic other donut shaped incorporated thermocouple holder having heat insulating properties, the upper Symbol burner present the donut plate-shaped integrated thermocouple
Stove burner, characterized in that the Installation between body and the burner head. 2. The stove burner according to claim 1, wherein the integrated thermocouple in the form of a donut plate is integrally installed on a burner head. 3. The stove burner according to claim 1, wherein the integrated thermocouple in the form of a donut plate is installed integrally with the burner body.