JPH0233516A - Heating power control device for gas apparatus - Google Patents

Abstract

PURPOSE:To facilitate ignition/shut-off operation by installing a first on/off valve which interlocks with an actuator for ignition/shut-off operation on the upper stream side of the branch section to two burners for a gas supply passage, and a gas flow rate control means to a branch gas supply passage for the two burners and providing and ignition means which interlocks with the ignition/ shut-off actuator to one burner, and a second on/off valve which shuts off gas to the branch supply passage to the other burner. CONSTITUTION:A first on/off valve 4 is opened when an ignition actuator 11 is depressed, thereby actuating an ignition burner 9 and a spark electrode 10. Then, a burner 2 is ignited. If a throttle valve 8 (a second on/off valve 14) for a burner 2 is closed, only the burner 2 will be ignited. Then, if an attempt is made to operate a control actuator 15 within the range from a closed position to a low position and a high position, a burner 3 will be ignited as well so that cooking may be carried out by the two burners 2 and 3, responding to the controlled variables of the control actuators 13 and 15. If the throttle valve 8 (the second on/off valve 14) for the burner 3 is opened, the burners 2 and 3 will be ignited. The two burners can be used even their performance is different. It is, therefore, possible to improve the manipulation capacity.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a fire power adjustment device that is effective for gas appliances equipped with two burners, particularly gas stoves.

(Prior art) As a conventional device of this type, a gas supply path to one burner and a gas supply path to the other burner are opened and closed in conjunction with the operation of an ignition operator and a fire extinguishing operator, respectively. A valve is provided, and a throttle valve is provided on the downstream side of the valve that changes the gas amount in conjunction with the operation of an adjustment operator that can be freely adjusted between a weak position and a strong position, and a throttle valve is provided for each of the two burners. It is known to include an ignition means that operates in conjunction with the operation of an ignition operator.

(Problems to be Solved by the Invention) However, in the above-mentioned conventional device, as shown in FIG.
1.It is equipped with a fire extinguishing operator A and an adjusting operator C, and is further equipped with an ignition means, which allows for a wide range of firepower adjustments. Therefore, there is a problem that ignition and extinguishing operations are troublesome.

(Means for Solving the Problems) The present invention aims to provide an apparatus that eliminates the above-mentioned disadvantages, and the apparatus according to claim 1 is provided on the upstream side of the branch part of the gas supply path into the small burner and the large burner. A first opening/closing means that opens and closes in conjunction with the operation of the light/extinguishing operator is interposed, and the amount of gas is controlled from weak to strong in the gas branch supply paths to the small burner and the large burner, respectively. The small burner is provided with an ignition means that operates in conjunction with the ignition operation of the point/extinguishing operator, and the branch supply path to the large burner is provided with a gas amount adjustment means. The apparatus of claim 2 further comprises a second opening/closing means for opening and closing the gas in series with the means, and the apparatus according to claim 2 has a second opening/closing means for opening and closing the gas in series with the means.
A first opening/closing means that opens and closes in conjunction with the operation of the extinguishing operator is interposed, and gas amount adjusting means for varying the gas amount from weak to strong are provided in the branch gas supply paths to the two burners. One burner is provided with an ignition means that operates in conjunction with the ignition operation of the point/extinguishing operator, and a branch supply path to the other burner is provided with a gas in series with the gas amount adjustment means. A second opening/closing means is provided to open the passage.

(Function) The present invention has the above configuration, and according to this, the ignition operator common to the two burners is operated to open the first opening/closing means, and the small burner or one burner of the same capacity is activated. Light it, open the second opening/closing means of the large burner or the other burner of the same capacity, and then operate the respective gas amount adjusting means of both burners to the desired gas amount as in the conventional case. The burner burns with the desired power. After that, if the fire extinguishing operator common to both burners is operated to extinguish the fire, both burners are extinguished.

When using a small burner or one burner of the same capacity alone, the second opening/closing means of the large burner or the other burner of the same capacity shuts off the gas to the burner, and then the small burner or the other burner of the same capacity is used. The desired gas amount can be achieved by operating the gas amount adjusting means of one of the burners.

(Example) Next, embodiments of the present invention will be described based on the drawings.

In FIG. 1, reference numeral 1 indicates a gas supply path for a gas appliance, such as a table stove, and the gas supply path 1 has a first opening/closing means located upstream from a branch point to a small burner 2 and a large burner 3 at the end thereof. A first on-off valve 4 is interposed, and throttle valves 7 and 8 are interposed as means for adjusting gas amounts in the branch supply passage 5 to the small burner 2 and the branch supply passage 6 to the large burner 3, respectively.

Both burners 2 and 3 are configured as 2ffi inside and outside, and small burner 2
is equipped with an ignition burner 9 and a spark electrode 10 as ignition means.

The on-off valve 4 is opened and closed in conjunction with the operation of a push-button ignition operator 11 and a fire extinguisher 12, which are point/extinguisher operators, as shown in FIG. 2, which are provided on the front panel of the table stove, for example. , the ignition burner 9 and the spark electrode 10 operate in conjunction with the operation of the ignition operator 11.

The throttle valve 7 has a sliding type adjustment operator 13 as shown in FIG. 2, which can be freely adjusted between a weak position and a strong position.
The opening degree is changed in conjunction with the operation, and the gas amount to the small burner 2 is changed from weak to strong, for example 300 kcal/h -
It varies between 1200kcal/h.

The throttle valve 8 also serves as a second opening/closing valve 14 which is a second opening/closing means for passing gas to the large burner 3, and as shown in FIG. Slide-type adjustment operator 15 that can be freely adjusted to any position
The opening degree is changed in conjunction with the operation of
It varies between ~3000kcal/h.

To explain the above configuration in more detail, FIGS. 3 to 6
As shown in the figure, the ignition operator 11 opens the first opening/closing valve 4 by pushing forward and opens the locking member 1.
6, the fire extinguishing operator 12 is locked in its forward state, and when the self-returning fire extinguishing operator 12 is pressed forward, the lock is released and the fire extinguisher 12 returns to its original position, closing the first on-off valve 4.

Further, both throttle valves 7.8 (14) are equipped with an adjustment operator 13,
15 to slide the pressing member 17.18 to the fulcrum 19.
．． When rockingly displaced around 20, these suppressing members 1
The degree of opening is changed by being pressed by 8.19, and the degree of opening increases as the adjustment operator 13.15 approaches the strong position. The pressing member 17 is provided with a stopper 21 that stops the adjusting operator 13 at the weak position when the adjusting operator 13 is slid toward the weak position, and the pressing member 18 is provided with a stopper 21 that stops the adjusting operator 13 at the weak position. A step portion 22 is provided which closes the throttle valve 8 (second on-off valve) when the throttle valve 8 (second opening/closing valve) is slid toward the weak position and exceeds the weak position.

According to the embodiment described above, when the ignition operator 11 is pressed,
The ignition burner 9 and the spark electrode IO are activated, and the small burner 2 is ignited. At this time, the throttle valve 8 (second
If the on-off valve 14) is closed, only the small burner 2 is ignited, and if the adjustment operator 15 is then operated from the closed position to between the weak position and the strong position, the large burner 3 is also ignited, and the adjustment Both large and small burners 2, corresponding to the adjustment position of the operator H, 15.
You can do cooking etc. with 3. Also, the throttle valve 8 of the large burner 3 (
If the second opening/closing means 14) is open, both burners 2 and 3 are ignited in the order of the small burner 2 and the large burner 3 by the ignition burner 9 and the spark electrode lO.

After igniting both burners 2 and 3, the respective adjustment controls 13.1
The opening degree of the throttle valves 7 and 8 is changed by the operation 5, and the firepower of the gas is adjusted.

If the firepower is too strong and you want a weaker firepower, set both the large burner 3 adjustment knob 15 and the small burner 2 adjustment knob 13 to the minimum, but if it is still too strong, adjust the large burner 3. The throttle valve 8 (second on-off valve 14) is closed by setting the control element 15 to the closed position, and the supply of gas to the large burner 3 is stopped. Since only the small burner 2 is now combusting, the small burner 2 can be adjusted to the desired heating power from the maximum to the minimum using the adjustment operator 13 of the small burner 2.

If you want to use the small burner 2 alone from the beginning, you can set the small burner 2 to a state where only the small burner 2 burns using the procedure described above. After that, the ignition operator 11 may be operated.

When extinguishing a fire, even if both burners 2 and 3 are ignited, both burners 2 and 3 are extinguished by operating one common extinguishing operator 12.

In the above-described embodiment, the branch passage 5 to the small burner 2 was provided upstream of the branch passage 6 to the large burner 3;
As shown in the figure, the arrangement may be reversed.

In the embodiment described above, the ignition means was composed of the ignition burner 9 and the spark electrode IO, but a direct ignition method using only the spark electrode may be used.

In the embodiment described above, both adjustment operators 13.15 can be independently slid, but as shown in FIG. 8, both adjustment operators 13.15 are arranged side by side, A hook part 15a for the adjustment operator 13 is provided on the child 15, and when the adjustment operator 15 is slid from the weak position to the strong position, the adjustment operator I3 is moved from the weak position in conjunction with this. It may be arranged so that the movement is adjusted to the strong position side.

In the embodiment described above, the ignition operator 11 and the fire extinguisher operator 12 are configured with separate push-button types, but they are of the conventionally known common push-button type (for example, a special push button type) as shown in FIG. (Refer to Japanese Patent No. 121376/1983), and the first and second opening/closing means may be configured by the first and second opening/closing valves 4.
．． 14, it may be constructed with a rotary cock, and furthermore, although the adjustment operator and the gas amount adjusting means are constructed as separate members, they may be constructed with a rotary cock.

In the above-mentioned embodiment, the throttle valve 8 also served as the second on-off valve 14, but the second on-off valve 14 is configured as a separate on-off valve as shown in FIG. 1O, and this on-off valve is configured as shown in FIG. It may be opened and closed by operating the push button 16.

Furthermore, in the embodiment described above, the two burners are replaced by the small burner 2.
Although the burner is composed of the large burner 3 and the large burner 3, the two burners may be composed of burners of the same capacity.

(Effects of the Invention) According to the present invention, since the two burners, that is, the small burner and the large burner, or the two burners of the same capacity are provided with a common point/extinguishing operator, each burner has a point/extinguishing operator. This has the effect of improving the operability of lighting and extinguishing, especially the operability of extinguishing a fire, compared to the conventional type which is provided with a fire extinguishing operator.

Furthermore, since the firepower of the two burners can be adjusted independently, the range of adjustment of the firepower is wider than that of a system in which the firepower of the two burners is related.

[Brief explanation of the drawing]

Fig. 1 is a schematic explanatory diagram showing an example of the implementation of the present invention, Fig. 2 is an explanatory diagram of the arrangement of the controls, Fig. 3 is a detailed explanatory diagram thereof, and Fig. 4 is the point/extinguishing diagram of Fig. 3. 5 is a perspective view of the small burner adjustment operator in FIG. 3; FIG. 6 is a perspective view of the large burner adjustment operator in FIG. 3;
Fig. 7 is a schematic explanatory diagram showing another embodiment of the present invention, Fig. 8 is an explanatory diagram of an arrangement showing another embodiment of the controls, and Fig. 9 shows still another embodiment of the controls. Detailed explanatory drawing, FIG. 10 is a schematic explanatory drawing showing still another embodiment of the present invention, FIG. 11
This figure is an explanatory diagram of the arrangement of the operators in FIG. 10, and FIG. 12 is an explanatory diagram of the arrangement of the operators in the conventional example. 1... Gas supply path 2... Small burner 3...
- Large burner 4... First on-off valve (first on-off means) 5.6... Branch supply path 7... Throttle valve (gas amount adjustment means) 8... Throttle valve (gas amount adjustment means, 2nd opening/closing means) 9.
...Ignition burner (ignition means) lO...Spark electrode (ignition means)

Claims (1)

[Claims] 1. A first opening/closing means that opens and closes in conjunction with the operation of a lighting/extinguishing operator is provided on the upstream side of the branch part of the gas supply path into the small burner and the large burner, and A gas amount adjusting means for changing the gas amount from weak to strong is provided in the gas branch supply path to the small burner and the large burner, respectively, and the small burner is controlled by the ignition operation of the point/extinguishing operator. Equipped with ignition means that operate in conjunction with each other,
A fire power adjustment device for a gas appliance, wherein a second opening/closing means for opening and closing gas in series with the gas amount adjustment means is interposed in a branch supply path to the large burner. 2. A first opening/closing means that opens and closes in conjunction with the operation of the point/extinguishing operator is provided on the upstream side of the branch part of the gas supply path to two burners of the same capacity, and gas is supplied to both burners. A gas amount adjusting means for changing the gas amount from weak to strong is provided in each of the branch supply channels, and one burner is provided with an ignition means that operates in conjunction with the ignition operation of the point/extinguishing operator. A fire power adjustment device for a gas appliance, wherein a second opening/closing means for opening and closing gas in series with the gas amount adjusting means is interposed in a branch supply path to the other burner.