JP2008096016A - Fire power auxiliary tool for stove burner and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fire power auxiliary tool for a stove burner and its manufacturing method capable of not only preventing diffusion of heat by flame from a burner portion but also promoting complete combustion of the flame at the burner portion, obtaining sufficient fire power even though the supply amount of a fuel is small, and considerably saving the fuel. <P>SOLUTION: This fire power auxiliary tool for the stove burner has a cylindrical hood 11 disposed between the burner portion 3 and a trivet 4 disposed around the burner portion 3, and a wire rod 12 hung between upper end portions of a peripheral wall 11a of the hood 11 over a plurality of or number of places in a net-like state, and heated by the flame from the burner portion 3. The wire rod 12 is composed of a metallic wire rod of nickel-chromium, iron-chromium and the like, or a metallic wire rod of simple substance such as tungsten and molybdenum. A number of holes 13 or slit holes 23 are formed along the circumferential direction on the upper end portion of the peripheral wall 11a of the hood 11, and one wire rod 12 is successively inserted to the holes to be hung on the upper end portion of the peripheral wall 11a of the hood 11 in a net-like state. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a stove-type heat assisting tool capable of obtaining sufficient thermal power even when the amount of fuel supplied is small and saving fuel, and a method for manufacturing the same.

Conventionally, a general stove, for example, a gas stove, has a large gap between the pot placed on the virtues and the virtues, so that the heat of the flame in the burner part is dissipated from the gaps and the heat efficiency is low. For this reason, various ideas for improving the thermal efficiency of the gas stove have been made conventionally. For example, an inverted conical reflector is installed inside the virtues to prevent the heat from the burner from being dissipated from the gaps around the virtues (Patent Document 1), and the virtues in the form of hoods (patents) Document 2) has been proposed.
Registered Utility Model No. 3004311 JP-A-9-276150

  However, the proposals in Patent Document 1 and Patent Document 2 both prevent the heat of the flame from dissipating from the gap between the five virtues of the gas stove, and prevent the extinction by the wind. There was a limit.

  The present invention has been made in view of the above circumstances, and its object is not only to prevent heat dissipation from the flame from the burner part, but also to promote complete combustion of the flame in the burner part, It is an object of the present invention to provide a stove-type heating power assisting device that can obtain a sufficient heating power even if the amount of supply is small, and that can greatly save fuel.

  Another object of the present invention is to provide a method for manufacturing a stove-type heat assisting tool that can be manufactured at low cost.

  In order to solve the above-mentioned problems, a stove-type heating power assisting device according to claim 1 of the present invention includes a cylindrical hood installed between a burner portion and five virtues arranged around the burner portion, and a peripheral wall of the hood. And a wire rod that is installed at a plurality of or a large number of locations between the upper end portions of the steel and is heated by a flame from the burner portion.

  According to the heating aid for a stove according to claim 1, the cylindrical hood installed between the burner part and the five virtues arranged around the burner part prevents the heat from being diffused, and the heat of the flame of the burner part. Aggregate inside the five virtues. At the same time, the wire erected between the upper ends of the peripheral wall of the hood is heated to a high temperature by the flame from the burner, and the incompletely combusted portion of the flame (around the flame core) (Part) is completely combusted and firepower is increased. As a result, the heat efficiency of the stove is greatly improved by the synergistic effect of these hoods and wires heated to a high temperature.

  The stove fire power auxiliary tool according to claim 2 is characterized in that the wire is disposed so as to hit a flame core ejected from a flame opening of a burner portion.

  The core part of the flame is the complete combustion part and the part with the highest thermal calories. By arranging the wire to hit the part, the thermal calorie transmitted to the wire is maximized, and the incomplete combustion part around the flame core through the wire heated to a high temperature is completely Combustion can be further promoted.

  According to a third aspect of the present invention, there is provided a stove-type heat assisting tool, wherein the wire is arranged in a mesh shape when the hood is viewed in a plan view.

  According to the heating aid for a stove according to claim 3, the wire is arranged in a mesh shape when the hood is seen in a plan view, so that the entire flame coming out from the flame outlet of the burner portion can be efficiently obtained. It will be heated, and the fire power of each flame can be raised efficiently.

  According to a fourth aspect of the present invention, there is provided a stove-type heat assisting tool, wherein the wire is made of a metal wire such as nickel / chromium or iron / chromium or a single metal wire such as tungsten or molybdenum.

  According to the heating aid for stove according to claim 4, as a wire, a metal wire such as nickel / chromium or iron / chromium or a single metal such as tungsten or molybdenum which can be used at a high temperature around 1000 ° C. or higher. By using a wire, the heat resistance against the flame from the burner portion can be ensured.

  The firepower auxiliary tool for stove according to claim 5 is characterized in that the wire is subjected to stranded wire processing.

  According to the heating power auxiliary tool for stove according to claim 5, the wire heated by the flame can be prevented from being disconnected by subjecting the wire to stranded wire processing. That is, the wire is heated by the flame and thermally expanded, then cooled by extinguishing the flame, contracted to the original length, and repeatedly expanded and contracted. By constituting the wire from a stranded wire, the stress during expansion and contraction can be relaxed, and disconnection can be effectively prevented. Therefore, the durability of the wire can be maintained for a long time. As the wire, a flat wire having a width of about 1.5 mm to 2 mm is used.

  The stove-type heat assisting tool according to claim 6 is characterized in that an air intake port for taking air into the hood is formed in the lower portion of the peripheral wall of the hood.

  According to the heating aid for a stove according to claim 6, by forming an air intake port that takes air into the hood at the lower part of the peripheral wall of the hood, it is possible to increase the amount of air flowing into the burner part, This can contribute to complete combustion of the flame.

  According to a seventh aspect of the present invention, there is provided a stove-type heat assisting tool, wherein a heat-resistant paint is applied to a peripheral wall of the hood.

  According to the heating aid for a stove described in claim 7, when the hood installed around the burner portion is made of steel, the decorativeness of the hood can be improved by applying a heat resistant paint. The heat resistant paint only needs to have a heat resistance of about 500 ° C. to 600 ° C., and the color of the paint is preferably black, gray, brown, blue or the like.

  The method for manufacturing a stove-type heat assisting device according to claim 8 includes a cylindrical hood installed between the burner portion and the five virtues arranged around the burner portion, and a plurality or a large number between the upper end portions of the peripheral walls of the hood. It is a method of manufacturing a stove-type heat assisting tool that has a wire rod that is installed at a location and heated by a flame from a burner portion, and has holes at a plurality of or many locations along the circumferential direction at the upper end portion of the peripheral wall of the hood. It is characterized in that one wire is passed through the hole sequentially, and the wire is installed between the upper end portions of the peripheral wall of the hood at a plurality or a plurality of locations.

  According to the method for manufacturing a stove heating power assisting device according to claim 8, the heating power for the stove can be obtained by a simple operation in which one wire is successively passed through a hole formed in the upper end portion of the peripheral wall of the hood along the circumferential direction. An auxiliary tool can be manufactured and can be manufactured at low cost.

  The method for manufacturing a stove-type heat assisting tool according to claim 9, wherein a plurality of holes or a plurality of holes are formed in the upper end portion of the peripheral wall of the hood along the circumferential direction so as to open at the upper end of the peripheral wall of the hood. And the one wire is sequentially passed through each slit hole, and the wire is constructed between a plurality of or a plurality of locations between the upper end portions of the peripheral wall of the hood.

  According to the method for manufacturing a stove-type heat assisting tool according to claim 9, a single wire is sequentially inserted from above into a slit hole formed along the circumferential direction on the upper end of the peripheral wall of the hood, and is simply hooked. In addition, it is possible to manufacture a stove-type heat assisting tool, and it is possible to further reduce the manufacturing cost.

  As described above, the heating aid for a stove according to the present invention not only prevents the heat of the flame from being dissipated by the hood, but also heats the wire erected on the upper end of the hood to a high temperature with the flame, and heats it to the high temperature. The wire material promotes the complete combustion of the flame in the burner portion, so that a sufficient heating power can be obtained even if the amount of fuel supplied is small, and thus an excellent effect is achieved in that significant fuel saving can be achieved.

  Moreover, the combination of the hood and the wire has an excellent effect that the structure thereof is extremely simple and the manufacturing cost of the thermal auxiliary tool can be reduced.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 6 show an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a gas stove, and reference numeral 10 denotes a thermal power auxiliary tool. The gas stove 1 has a recess 2b formed in the upper surface 2a of the gas stove main body 2, and a gas burner portion 3 is formed around the gas burner portion 3 at the center of the recess 2b, and the corner of the recess 2b. Gotoku 4 is installed in the department. In addition, the code | symbol 5 has shown the pan which Gotoku 4 installed.

  As shown in FIG. 2, the thermal power assisting tool 10 is composed of a cylindrical hood 11 and a wire 12 erected on the upper end of the hood 11.

The hood 11 is made of cylindrical steel that opens upward and downward, and is installed inside the virtues 4 around the gas burner portion 3 as shown in FIG. Therefore, the inner diameter D ₁ of the hood 11 is larger than the outer diameter D ₀ of the gas burner portion 3, and the outer diameter D ₂ of the hood 11 is smaller than the inner diameter D _{3 of} the circle formed on the inner surface of the base end portion of each virtues 4. As shown in FIG. 2, a large number of holes 13 are formed in the upper end portion of the peripheral wall 11 a of the hood 11 along the circumferential direction. This hole 13 is for passing the wire 12.

  The wire 12 is obtained by applying a twisted wire process to a metal wire made of a flat wire having a width of about 1.5 mm. As shown in FIG. It is arranged in a mesh shape. That is, the wire 12 is passed through each hole 13 drilled in the upper end portion of the peripheral wall 11 a of the hood 11, and is installed at a number of locations between the opposite upper end portions of the peripheral wall 11 a of the hood 11.

  The material of the wire 12 can be a nickel / chromium-based metal wire, iron / chromium-based metal wire, tungsten, molybdenum or the like, which can be used at a high temperature of about 1000 ° C. or higher.

  A heat resistant paint is applied to the hood 11 in order to increase the heat resistance of the hood 11 made of steel. Examples of heat resistant paints include colloidal silica that can withstand high temperatures of about 500 ° C. to 600 ° C., and about 700 ° C. to 1000 ° C., and inorganic polymer heat resistant paints mainly composed of acid / alkali inorganic binders. Used. Colors such as black, gray, brown and blue are used for the heat resistant paint. In addition, as a material of the hood 11, it is possible to use the thing made from ceramics or carbon steel excellent in heat resistance, and also stainless steel.

  A plurality of air intakes 14 are provided in the lower part of the peripheral wall 11 a of the hood 11 along the circumferential direction. While the flame K is emitted from the gas burner unit 3, air is introduced into the hood 11 from the air intake 14. (Oxygen) is introduced to stabilize gas combustion.

  In order to manufacture the gas stove heating auxiliary tool 10 having the above-described configuration, one wire 12 is sequentially passed through each hole 13 at the upper end of the peripheral wall 11a of the hood 11 and is reciprocated in the vertical direction while being stretched. By reciprocating in the direction, as shown in FIG. 3, the wire 12 is installed between the upper end portions of the peripheral wall 11 a of the hood 11 in a state where the wire 12 is stretched in a mesh shape.

  Next, the usage method and effect | action of the thermal auxiliary tool 10 for gas stoves of the said structure are demonstrated.

  First, as shown in FIG. 1, the heating power auxiliary tool 10 is set on the recess 2 b on the upper surface 2 a of the gas stove body 2. The heat assisting tool 10 is provided with the hood 11 around the gas burner portion 3 and inside the virtues 4. Next, a pan 5 filled with water, for example, is placed on the virtues 4.

  In this state, the ignition switch 6 (see FIG. 5) of the gas stove 1 is pressed to ignite the gas, and the size of the flame K ejected from the flame port 7 of the gas burner unit 3 is adjusted by the heating power adjustment knob 8 (see FIG. 5). To do. That is, the size of the flame K is adjusted so that the wire 12 at the upper end portion of the heating power assisting tool 10 hits the core C of the flame K as shown in FIGS. In the present embodiment, the distance from the lower end of the hood 11 to the height of the wire 12 is set to about 4 cm, and the core of the flame L when the heating power adjustment knob 8 shown in FIG. It is set so that the wire 12 hits C.

  Note that the position of the flame core during low heat varies slightly depending on the type and size of the gas stove, the height of the gas burner section 3, and the height position of the flame outlet 7. In short, the flame position during low heat is important. Each height of the hood 11 and the wire 12 may be set in advance so that the wire 12 hits the position of the core.

  The heat of the flame from the gas burner unit 3 is transmitted to the water in the pan 5 through the bottom of the pan 5 and the water is boiled. Meanwhile, as shown in FIG. 1, the hood surrounding the gas burner unit 3 is surrounded. 11 prevents the heat of the flame from being dissipated, and takes in air (oxygen) from the air intake port 14 of the peripheral wall 11a of the hood 11 to stably burn the gas. During the combustion of the gas, the wire 12 at the upper end of the hood 11 hits the core C of the flame K and is heated red. The heat of the wire 12 heated to this high temperature causes the core C of the flame K (completely combusted portion). As a result, the complete combustion of the incomplete combustion portion A (see FIG. 6) around is promoted, so that even when the heating power adjustment knob 8 is in a low fire position and the supply amount of gas fuel is reduced to a small amount Increases firepower. Due to these synergistic effects, the water in the pot 5 boils very quickly. Enables significant savings in gas fuel.

  FIG. 7 shows another embodiment of the present invention. The thermal auxiliary tool 20 of the present embodiment has slit holes 23 opened at the upper end along the circumferential direction at the upper end of the peripheral wall 21a of the hood 21 at equal pitches. With the simple work of simply inserting the wire 22 into the slit hole 23 from the top and hooking it, the thermal power assisting tool 20 can be manufactured, compared with the thermal power assisting instrument 10 of the above embodiment, This makes it possible to further reduce the manufacturing cost.

  In the above embodiment, the example in which the thermal assisting tools 10 and 20 of the present invention are applied to the gas stove 1 has been described. However, the application range of the thermal assisting tool of the present invention is not limited to the gas stove 1, for example, a stove using solid fuel It is applicable to. It can arrange | position so that the wire rods 12 and 22 of the thermal power auxiliary tool 10 and 20 of this invention may be applied to the core of a solid fuel flame, and the thermal power of the flame of solid fuel can be raised.

  Furthermore, the thermal power assisting tool of the present invention can be used by being attached to or installed in another combustion engine.

  In order to confirm the effect of the heating aid for gas stove according to the present invention, the present inventor places 1 liter of water in a pan with the heating power adjustment knob 8 of the gas stove 1 of FIG. The test until the water was boiled was measured under the same conditions for each of the conventional example, the comparative example, and the example. Table 1 shows the test results. In the conventional example, when the hood is not installed around the gas burner part of the gas stove, the comparative example is the case where only the hood (no wire rod) is installed around the gas burner part of the gas stove. The case where the thermal auxiliary tool of the present invention is installed around the gas burner portion is shown.

表１によると、ガスコンロの着火後、７５℃に達するまでの時間は、従来例が１０分２４秒、比較例が８分２３秒、実施例が４分３２秒であり、比較例が約２分短縮できるにとどまったが、実施例は約６分短縮でき、比較例に対しても３倍程度の短縮効果が得られることが分かった。また、９０℃に達するまでの時間は、従来例が２４分３９秒、比較例が１２分４８秒、実施例が５分５９秒であり、比較例は従来例対比で約半分の短縮効果があるが、実施例は従来例対比で約１／４の短縮効果があり、いずれの場合であっても、従来例、比較例いずれに対しても十分な短縮効果が得られることが分かった。 The firepower auxiliary tool used in the example is of the structure shown in FIG. 7, the hood has a diameter of about 11 cm, a height of 5 cm (4 cm to the wire), and the number of slit holes is 23 in the circumferential direction. Nine nickel-chromium metal wires crossed 9 in the vertical direction and 8 in the horizontal direction, and the metal wire used the one that hit the flame core when the heat adjustment knob was in a low heat state.

According to Table 1, the time to reach 75 ° C. after ignition of the gas stove is 10 minutes 24 seconds for the conventional example, 8 minutes 23 seconds for the comparative example, 4 minutes 32 seconds for the example, and about 2 minutes for the comparative example. However, it was found that the example can be shortened by about 6 minutes, and the shortening effect of about 3 times can be obtained as compared with the comparative example. In addition, the time to reach 90 ° C. is 24 minutes and 39 seconds for the conventional example, 12 minutes and 48 seconds for the comparative example, and 5 minutes and 59 seconds for the comparative example. The comparative example is about half as short as the conventional example. However, it was found that the example had a shortening effect of about ¼ compared with the conventional example, and in any case, a sufficient shortening effect was obtained for both the conventional example and the comparative example.

  The stove thermal assisting tool according to the present invention can be used as a stove thermal assisting tool that assists the stove thermal power and saves fuel costs, and also as a combustion engine thermal assisting tool.

1 shows an embodiment of the present invention, and is a side view, partly in section, of a state where a heating power auxiliary tool is installed on a gas stove and a pan is heated by a flame from a gas burner portion. It is a whole perspective view of the thermal auxiliary tool shown in FIG. It is a top view of the thermal auxiliary tool shown in FIG. FIG. 3 is a side view of the thermal power auxiliary tool shown in FIG. 2. It is a side view of the gas stove shown in FIG. It is a principal part side view which shows the state in which the wire of a thermal auxiliary tool has hit the flame core from a gas burner part. The other embodiment of this invention is shown and it is the whole perspective view of a thermal power auxiliary tool.

Explanation of symbols

1 Gas stove (stove)
2 Gas stove body 2a Upper surface 2b Recess 3 Gas burner part (burner part)
4 Gotoku 5 Pan 6 Ignition switch 7 Flame outlet 8 Thermal power adjustment knob 10, 20 Thermal auxiliary tool 11, 21 Hood 11a, 21a Peripheral wall 12, 22 Wire material 13 Hole 14 Air intake 23 Slit hole D ₀ Outer diameter of gas burner D ₁ Inner diameter of the hood D ₂ Inner diameter of the circle formed by the inner ends of the five virtues K Flame C Core A Incompletely burned part

Claims (9)

  A cylindrical hood installed between the burner portion and the five virtues arranged around it, and a wire rod installed in plural or many places between the upper end portions of the peripheral wall of the hood and heated by the flame from the burner portion A firepower auxiliary tool for a stove.   2. The stove fire power assisting device according to claim 1, wherein the wire is disposed so as to contact a core of a flame coming out of a flame opening of a burner portion.   The stove fire power assisting device according to claim 1 or 2, wherein the wire is arranged in a mesh shape when the hood is seen in a plan view.   4. The heating aid for a stove according to claim 1, wherein the wire is made of a metal wire such as nickel / chromium or iron / chromium or a single metal wire such as tungsten or molybdenum. Ingredients.   The heating aid for a stove according to claim 1, wherein the wire is subjected to stranded wire processing.   6. The stove heating power assisting device according to claim 1, wherein an air intake port for taking air into the hood is formed in a lower portion of the peripheral wall of the hood.   The heat assisting tool for stove according to claim 1, wherein a heat-resistant paint is applied to a peripheral wall of the hood.   A cylindrical hood installed between the burner part and the five virtues arranged around the burner part, and a wire rod which is installed in plural or many places between the upper end parts of the peripheral wall of the hood and heated by the flame from the burner part A heat assisting tool for a stove having a hole in the upper end portion of the peripheral wall of the hood at a plurality or a plurality of locations along the circumferential direction, and sequentially passing one wire to the hole, A method for manufacturing a heating aid for a stove, characterized in that a plurality of or many places of the same wire material are installed between the upper end portions of the peripheral wall of the hood. A plurality of or many holes are formed in the upper end portion of the peripheral wall of the hood along the circumferential direction so as to open at the upper end of the peripheral wall of the hood to form slit holes, and one wire is sequentially formed in each slit hole. 9. The method for manufacturing a stove-type heat assisting tool according to claim 8, wherein the wire is installed at a plurality or a plurality of locations between the upper end portions of the peripheral wall of the hood.

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