JP3515996B2 - Gas cooker - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas cooker which incorporates a grill on a gas table and uses a temperature sensor for automatic grill control.

[0002]

2. Description of the Related Art In a conventional gas cooker, a grill case is provided in the main body of the gas cooker, an upper burner made of a ceramic burner is arranged at the upper part of the grill case, and lower burners are arranged at the lower parts on both sides of the grill case. An exhaust pipe with one end connected to the rear opening of the grill case is provided.A temperature sensor is provided at one end of the exhaust pipe.The temperature sensor detects the exhaust temperature in the grill case. The proper baking condition of the cooked food is judged based on the data.

Another conventional gas cooker is disclosed in Japanese Unexamined Patent Publication No. Hei 3 (1999) -311.
As disclosed in Japanese Patent Publication No. 272717 (A47J37 / 06), a locking piece is provided on the front part of the supporting plate of the grill, and a horizontal supporting rod is projected on the rear part of the supporting plate to support the locking piece. It is locked in the locking hole provided below the plate, the tip of the support rod is placed on the vertical measuring arm of the weight sensor, and the mesh is supported by the lock rod and the support rod. The weight of the cooked product is obtained by deducting the known weight of the net itself with a weight sensor by applying a moment corresponding to the weight of the net and the cooked product to the weighing arm with the engagement part between the Is calculated, the weight reduction rate of the cooked food from the start of cooking is calculated, and when the reduction rate reaches a preset value set by the user, it is determined that the cooked food is in an appropriate baking condition. There is.

[0004]

In the former gas cooker using a conventional temperature sensor, the temperature detected by the temperature sensor has no correlation with the amount or size of the food to be exhausted by the hot air radiation of the upper burner. Since the gas and the exhaust gas of the lower burner that exchanges heat with the food are mixed, the data accuracy is low, and there is a problem that the determination of the proper cooking condition of the food is impaired.

Further, in the latter gas cooker using a weight sensor, there is a problem that the structure of the support plate and the pan of the grill becomes complicated. An object of the present invention is to provide a gas cooker capable of judging the proper baking condition of a cooked food, keeping the above points in mind and improving the data accuracy.

[0006]

In order to solve the above-mentioned problems, a gas cooker according to the present invention comprises a grill case provided in the gas cooker body, and an upper burner arranged above the grill case. A lower burner disposed on the lower part of each side of the grill case, a pilot burner having a flame port near the upper and lower burners, one end connected to the rear opening of the grill case, and the other end An exhaust pipe connected to the exhaust port of, and a partition plate provided below the one end of the exhaust pipe and forming a flow passage through which exhaust gas of the upper burner does not flow and exhaust gas of the lower burner flows, And a temperature sensor provided in the flow passage.

Further, it is preferable that the front end of the upper plate of the partition plate is provided with a shield plate for shielding hot air radiation from the upper burner into the flow passage. Further, it is preferable that the temperature sensor is mounted on the side of the flow passage where the flame burner of the pilot burner is not located and at a position laterally displaced from the center of the flow passage. Further, it is more preferable that the temperature sensor is attached to a central portion of the flow passage and a side of the flow passage where the flame burner of the pilot burner is not located and a position laterally displaced from the central portion.

[0008]

In the gas cooker of the present invention constructed as described above, a partition plate is provided below one end of the exhaust pipe, and the partition plate forms a flow passage through which only the exhaust gas of the lower burner flows. Since the temperature sensor is provided in the flow passage, mixing of the exhaust gas of the upper burner is prevented, the data accuracy of the temperature sensor is improved, and the proper baking condition of the cooked product is determined.

Further, since the shielding plate is provided at the front end of the upper plate of the partition plate, the hot air radiation from the upper burner to the flow passage is shielded, and the exhaust gas from the lower burner is efficiently trapped. Accuracy is improved.

Further, since the temperature sensor is mounted on the side of the flow passage where the flame port of the pilot burner is not located and at a position deviated laterally from the center of the flow passage, the influence of the hot air of the pilot burner is eliminated. The data accuracy is further improved.

Further, since the temperature sensors are attached to the center of the flow passage and the side where the flame port of the pilot burner of the flow passage is not located, and the position deviated laterally from the center, both temperature sensors are attached. The data is compared and the control is performed based on the high temperature, that is, the temperature that is not influenced by the position of the food, the data accuracy is further improved, and the proper cooking condition of the food can be determined. .

[0012]

Embodiment 1 Embodiment 1 will be described with reference to FIGS. First, in FIGS. 2 to 4 showing the configuration of the gas cooker, 1 is a gas cooker main body, 2 is a stove burner arranged on both sides of an upper part of the main body 1, and 3 is a ceiling mounted on the upper part of the main body 1. Plates 4 are soup saucers provided on both sides of the top plate 3, respectively.

Reference numeral 5 is a through hole which is transparently provided at the position of the stove burner 2 of the soup saucer 4, 6 is a burner head mounted on the stove burner 2 through the through hole 5, and 7 is a burner head of the right stove burner 2. 6 is a temperature sensor for detecting the temperature of the bottom of the pot, 8 is a virtue placed on the periphery of the soup pan 4, and 9 is a grill formed in the central part on the rear side of the top plate 3. The exhaust port 10 is an exhaust cover placed on the periphery of the exhaust port 9.

Reference numeral 11 denotes a grill door provided at the center of the front surface of the main body 1 so as to be openable and closable, 12 denotes a handle attached to the center portion of the front surface of the door 11, and 13 denotes a grill provided at the upper portion of the door 11. A monitoring window for monitoring the baking condition of the food to be cooked, 14
Is a control lever provided on the upper left side of the front surface of the main body 1, and adjusts the heating power of the left stove burner 2.
Reference numeral 15 is a stove push button switch provided on the lower left side of the front surface of the main body 1, and opens and closes the cock of the left stove burner 2.

Reference numeral 16 denotes a control lever provided on the upper right side of the front surface of the main body 1 for adjusting the heating power of the right stove burner 2. Reference numeral 17 denotes a type selection lever provided on the right side of the control lever 16 for selecting the type of cooked food, that is, the type of fish such as raw fish and dried fish. 18 is the main body 1
This is a baking condition selection button switch arranged in the central part on the right side of the front side of, to select the baking condition of the food. Reference numeral 19 denotes a plurality of quantity selection button switches arranged on the right side of the baking condition selection button switch 18 to select the quantity of the food.

Reference numeral 20 denotes a stove push button switch provided on the lower right side of the front surface of the main body 1, and opens and closes the cock of the right stove burner 2. Reference numeral 21 is a grille push button switch arranged on the right side of the stove push button switch 20 to open and close the grill cock.

Next, FIG. 1 showing the internal structure of the grill.
In FIG. 5 and FIG. 6, 22 is a grill case provided in the main body 1, 23 is a combustion chamber formed in the grill case 22, 24 is an upper burner made of a ceramic burner arranged above the grill case 22, 25 is a grill case 22
Lower burners disposed on the lower portions of both sides of the grill case 22, secondary air inlets 26 formed above the lower burners 25 on both side walls of the grill case 22, and a bottom plate 28.
Inner plates that are provided integrally with the bottom plate 28 on both sides of the lower burner 25 and are arranged inside the lower burners 25. Reference numerals 29 are flame outlets of the lower burners 25 formed below the inner plate 27.

Reference numeral 30 denotes a bat provided on the bottom plate 28, and 31
Is a supporting leg placed on the vat 30 and integrally fitted with a grill 32 on the upper surface, 33 is a plurality of fish dishes placed on the grill 32, 34 is provided at the rear of the grill case 22, and both ends Is a pilot burner located in the vicinity of the upper and lower burners 24, 25, and the upper and lower burners 24, 25 formed at both ends.
It is composed of an ignition burner 35 for igniting and a flame transfer flame port 36 formed inside. 37 is an opening formed on the upper rear side of the grill case 22, and 38 is an opening 37 at one end.
Is an exhaust pipe connected to the exhaust port 9 and the other end is connected to the exhaust port 9.

Reference numeral 39 denotes a temperature sensor provided below one end of the exhaust pipe 38, on the side where the upper flame port 35 of the pilot burner 34 at the one end is not located and at the center of the one end. It is attached at a position that is laterally displaced from the part. Four
0 consists of both side plates and the upper plate, both sides of the temperature sensor 39,
A partition plate covering the upper part, 41 is a mounting piece formed by bending outward at the lower ends of both side plates of the partition plate 40, and 42 is a through hole penetrating the mounting piece 41, through which a mounting screw is inserted. It is attached to the exhaust stack 38. Reference numeral 43 denotes a flow passage formed by the partition plate 40, in which the exhaust gas of the upper burner 24 does not flow but the exhaust gas of the lower burner 25 flows. Reference numeral 44 denotes a shielding plate that extends downwardly at the front end of the upper plate of the partition plate 40 and shields hot air radiation from the upper burner 24 to the flow passage 43.

When the grill is to be cooked, the door 11 is opened by the handle 12 of the door 11 and the cooked product 3 is placed on the grill 32.
3 is placed, the door 11 is closed, the type of the cook 33 is selected by the type selection lever 17, and the quantity selection button switch 1
The quantity of the cooked food 33 is selected by 9, and the grill push button switch 21 is pressed to ignite the upper and lower burners 24 and 25.

At this time, the exhaust gas of the lower burner 25 is mixed with the secondary air from the secondary air intake 26 and the hot air generated by the gas combustion, and is introduced into the combustion chamber 23 through the flame port 29 to prepare the cooked food. The heat is exchanged with the food 33 at 33, and the temperature information after the heat exchange is transmitted to the temperature sensor 39 in the flow passage 43. In the flow passage 43, since the mixed flow of the exhaust gas from the upper burner 24 is prevented by the partition plate 40, highly reliable temperature information is transmitted to the temperature sensor 39.

Further, the shield plate 44 shields the hot air radiation from the upper burner 24 and efficiently captures the temperature information. In addition, since the temperature sensor 39 is provided on the side where the pilot burner 34 is not located, there is no influence of the hot air of the pilot burner 34, the data accuracy is further improved, and the proper baking condition of the cooked food 33 is determined. Is done.

Next, referring to FIG. 7 showing the second embodiment,
The same reference numerals as those in FIGS. 1 to 6 indicate the same or corresponding parts, and the difference from FIG. 1 is that the partition plate 40 having the shielding plate 44 and forming the flow passage 43 and the temperature sensor 39 are connected to the exhaust pipe 37. It is also provided at the center of one end.

After the start of cooking, both sensors 39, 39
The temperature is detected by and the cooking time etc. is set based on the data of the higher detected temperature. The reason is that when the detected temperature is low, the cook 33 is likely to be positioned in front of the temperature sensor 39, and the delicate position of the cook 33 changes the exhaust temperature to change the detected temperature. This is because the reliability of the temperature data is low and it is better to control based on the data of the higher detected temperature.

[0025]

Since the present invention is constructed as described above, it has the following effects. In the gas cooker of the present invention, a partition plate 40 is provided below one end of the exhaust pipe 38, and the partition plate 40 forms a flow passage 43 through which only the exhaust gas of the lower burner 25 flows, and the flow passage 43 is provided. Since the temperature sensor 39 is provided, it is possible to prevent the exhaust gas of the upper burner 24 from mixing with each other, improve the data accuracy of the temperature sensor 39, and determine the proper baking condition of the cooked food 33.

Further, since the shielding plate 44 is provided at the front end of the upper plate of the partition plate 40, the hot air radiation from the upper burner 24 to the flow passage 43 is shielded and the exhaust gas from the lower burner 25 is efficiently captured. It is possible to improve the data accuracy. In addition, the pilot burner 3 in the flow passage 43
Since the temperature sensor 39 is attached on the side where the flame port 35 of No. 4 is not located and to the side of the center of the flow passage 43, the influence of the hot air of the pilot burner 34 is eliminated and the data accuracy is further improved. can do.

Further, the central portion of the flow passage 43 and the flow passage 4
The temperature sensor 3 is provided on the side where the flame port 35 of the pilot burner 34 of No. 3 is not located and at a position deviated laterally from the central portion.
Since 9 is attached, the data of both temperature sensors 39 and 39 are compared, and the control is performed based on the higher temperature, that is, the temperature that is not affected by the position of the cook 33, and the data accuracy is further improved. Therefore, it is possible to determine the proper baking condition of the cooked food 33.

[Brief description of drawings]

FIG. 1 is a cut front view of a first embodiment of the present invention.

2 is a front view of the whole of FIG. 1. FIG.

FIG. 3 is a right side view of FIG.

FIG. 4 is a plan view of FIG.

5 is an enlarged cross-sectional view of FIG.

FIG. 6 is a perspective view of a part of FIG.

FIG. 7 is a cut front view of a second embodiment of the present invention.

[Explanation of symbols]

1 gas cooker body 10 exhaust port 22 grill case 24 Upper burner 25 Lower burner 34 fire burners 35 flame mouth 37 Rear opening 38 Exhaust stack 39 Temperature sensor 40 division plate 43 flow passage 44 Shield

─────────────────────────────────────────────────── ─── Continued Front Page (72) Kaoru Takeda Kaoru Takeda 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (72) Kouji Mikami 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tori Sanyo Denki Co., Ltd. (56) Reference JP-A-5-332560 (JP, A) JP-A-59-81426 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) F24C 3/00-3/12 A47J 37/06 F24C 3/02 F24C 15/20

Claims (4)

(57) [Claims] 1. A grill case provided in the main body of the gas cooker, an upper burner provided at an upper portion of the grill case, lower burners provided at lower portions on both sides of the grill case, respectively. A pilot burner having a flame opening near the upper and lower burners, an exhaust pipe having one end connected to a rear opening of the grill case and the other end connected to an exhaust port of the main body, and an exhaust pipe of the exhaust pipe. A partition plate which is provided on the lower side of the one end and which forms a flow passage through which the exhaust gas of the upper burner does not flow and through which the exhaust gas of the lower burner flows; and a temperature sensor which is provided in the flow passage. Gas cooker. 2. The gas cooker according to claim 1, further comprising a shield plate for shielding hot air radiation from the upper burner to the flow passage at a front end of the upper plate of the partition plate. 3. The gas according to claim 1, wherein the temperature sensor is mounted on a side of the flow passage where the flame burner of the pilot burner is not located and at a position laterally displaced from a central portion of the flow passage. Cooking device. 4. The temperature sensor is attached to a central portion of the flow passage, and to a side of the flow passage where the flame burner burner burner is not located and to a position laterally displaced from the central portion. 1
Or the gas cooker according to 2.