JP2012242040A - Gas cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas cooker that emits a buzzer sound of a sufficient volume without increasing power consumption of a buzzer sound generating means included in a control unit.SOLUTION: A front face of a gas cooker body 2 accommodating burners 4, 5, 6 is provided with operating parts 16, 17 for turning the gas cookers 4, 5, 6 on/off and controlling their flames. In the gas cooker body 2, the control unit 34 is disposed to control cooking operation by the burners 4, 5, 6 according to the operation by the operating parts 16, 17. The control unit 34 includes: an electric board 37 with a control circuit constituted of electronic components, and a buzzer 36 as a buzzer sound generating means generating the buzzer sound; and a case 38 housing the electric board 37. The case 38 has a buzzer sound guide tube 39 communicating with the inside thereof to guide the buzzer sound of the buzzer 36 to the outside of the case 38. The buzzer sound guide tube 39 has a tip opening 43 used as an outlet of the buzzer sound and opened to a front face side of the gas cooker body 2.

Description

  The present invention relates to a gas stove provided with a notification sound generating means for generating a notification sound.

  Conventionally, a burner that heats cooked food, a stove main body that accommodates the burner, an operation unit that is provided on the front surface of the stove main body to operate point / fire extinguishing and heating power adjustment of the burner, and operation in the operation unit Accordingly, a gas stove including a control unit that controls cooking operation by the burner is known (see Patent Document 1).

  As seen in Patent Document 1, this type of control unit includes an electrical board on which a control circuit made of electronic components is mounted and a case for housing the electrical board, and is located on the back side of the operation unit. It is attached to the inner surface of the side wall of the stove body.

Japanese Patent Laid-Open No. 2002-243159 (FIG. 6)

  Incidentally, in recent years, in this type of gas stove, for example, a notification sound is generated at the time of setting the timer operation mode, the hot water kettle mode, or the like, and the notification is made to the user. For this reason, a notification sound generating means such as a buzzer or a speaker is mounted on the electrical board together with the control circuit.

  However, while the electrical circuit board is accommodated in the case, the spilled juice and dust are prevented from adhering during cooking, but the sound leakage from the inside of the case to the outside is small. Moreover, since the case is arranged on the back side that is not easily affected by the heat from the burner inside the stove body, there is an inconvenience that the notification sound is difficult to reach the user.

  Therefore, it is conceivable that the volume of the notification sound is relatively large. However, since the power consumption for driving the notification sound generating means increases, for example, in the case of a gas stove using a battery as a power source, the battery life is short. Become.

  In view of the above points, an object of the present invention is to provide a gas stove that can obtain a sufficient sound volume without increasing the power consumption of the sound generation means included in the control unit.

  The present invention includes a burner for heating a cooked food, a stove main body that accommodates the burner, an operation unit that is provided on the front surface of the stove main body to operate point / fire extinguishing and heating power adjustment of the burner, A gas stove that is provided inside and includes a control unit that controls cooking operation by the burner according to an operation in the operation unit, wherein the control unit generates a control circuit composed of electronic components and a notification sound. An information board having an electric circuit board on which generating means is mounted and a case for housing the electric circuit board, wherein the case communicates with the inside and guides an alarm sound of the alarm sound generating means to the outside of the case The notification sound guide tube includes a tube, and a tip serving as a notification sound outlet opens toward the front side of the stove body.

  According to the present invention, when the notification sound generating means mounted on the electrical board generates a notification sound, the notification sound is guided outside the case by the notification sound guide tube. At this time, the front end of the notification sound guide tube serving as an outlet for the notification sound is opened toward the front side of the stove body, so that the notification sound is provided to the user facing the operation unit on the front side of the gas stove. Is easy to reach. Therefore, it is possible to obtain a sufficient notification sound without increasing the power for driving the notification sound generating means.

  In the present invention, it is preferable that the notification sound guide tube is formed in a tapered shape that gradually increases in diameter toward a tip that becomes an outlet of the notification sound. According to this, for example, a loudspeaker action like a megaphone can be obtained, and the volume of the notification sound can be increased without increasing the power for driving the notification sound generating means.

  Moreover, in the present invention, it is preferable that the notification sound guide tube includes a convex portion that protrudes in the radial direction around the entire periphery of the tip that becomes the exit of the notification sound. According to this, even if boiled spilled juice during cooking flows down to the upper surface of the notification sound guide tube, the spilled juice is dammed up by the convex portion to prevent intrusion of the boiled juice into the notification sound guide tube can do.

  In the present invention, it is preferable that the notification sound guide tube is provided so that an axis thereof is inclined downward toward a tip serving as an outlet for the notification sound. According to this, even when boiled spilled juice during cooking wraps around from the tip of the notification sound guide tube, the boiled spilled juice flows out in the direction of the tip of the notification sound guide tube on the opposite side of the case. Can prevent the invasion of spilled juice.

The perspective view which shows the external appearance of a gas stove. Explanatory drawing which shows the inside of a stove main body. Explanatory sectional drawing of a control unit. An explanatory front view of a control unit.

  An embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the gas stove 1 which concerns on this embodiment is a drop-in type gas stove installed in the counter of the kitchen which is not shown in figure.

  The gas stove 1 has a stove body 2 formed in a box shape with an open top surface, and the top surface of the stove body 2 is closed by a top plate 3. Three stove burners 4, 5, 6 are provided to be exposed from the top plate 3, and a grill 7 is provided inside the stove main body 2. An exhaust port 8 for the grill 7 is provided at the rear portion of the top plate 3. Pan bottom temperature sensors 9, 10, 11 are provided at the center of each of the stove burners 4, 5, 6, and five virtues 12, 13, 14 are provided at the outer periphery of each of the stove burners 4, 5, 6.

  A grill door 15 for opening and closing the grill 7 is provided on the front surface of the stove body 2, and operation panels 16 and 17 (operation units) are provided on both sides of the grill door 15. The right operation panel 16 includes pressure switches 18 and 19 for igniting and extinguishing the right stove burner 4 and the grill 7, a heating power adjusting lever 20 for adjusting the heating power of the right stove burner 4, and the grill 7 There is provided a thermal power switching button 21 for switching the thermal power.

  The left operation panel 17 is provided with push switches 22 and 23 for igniting and extinguishing each of the central stove burner 5 and the left stove burner 6, and heating power adjusting levers 24 and 25.

  In the lower half of the right operation panel 16, switches (not shown) for timer setting and cooking mode selection are accommodated so as to be openable and closable, and in the lower half of the left operation panel 17, dry batteries (not shown) are provided. It is housed so that it can be pulled out.

  Each of the heating power adjusting levers 20, 24, 25 is slidable along sliding through holes 26, 27, 28 formed in the operation panels 16, 17, respectively, and protrudes in front of the operation panels 16, 17. Each of the push switches 18, 19, 22, and 23 can be pressed and operated through switch holding holes 29, 30, 31, and 32 formed in the operation panels 16 and 17, respectively, and protrudes forward of the operation panels 16 and 17. ing.

  Between the operation panels 16 and 17 and the top plate 3 on the front surface of the stove body 2, a plurality of ventilation holes 33 are formed to allow ventilation between the inside and outside of the stove body 2. The vent hole 33 functions as an intake port for combustion air and cooling air for the stove burners 4, 5, and 6. Although the amount of ventilation is small, the sliding through holes 26, 27, 28 and the switch holding holes 29, 30, 31, 32 formed in the operation panels 16, 17 can be vented inside and outside the stove body 2. It is.

  Inside the stove main body 2, as shown in FIG. 2, the burner body portions of the three stove burners 4, 5 and 6 and the grill 7 are accommodated. Further, although not shown, the pressure switches 18, 19, A plurality of valve devices including the fuel control levers 22 and 23 and the thermal power control levers 20, 24, and 25 and a fuel gas supply pipe are accommodated. And as shown in FIG. 2, the control unit 34 is provided in the side wall inner surface side of the stove main body 2. As shown in FIG. The control unit 34 is provided in a space where there is little influence of heat, avoiding the parts occupied by the components such as the stove burners 4, 5, 6, the grill 7, and the valve device and fuel gas supply pipe (not shown).

  As shown in FIG. 3, the control unit 34 includes a control circuit 35 composed of electronic components and an electrical board 37 on which a buzzer 36 (notification sound generating means) for generating a notification sound is mounted, and a case 38 that houses the electrical board 37. It has. Further, as shown in FIGS. 2 to 4, a notification sound guide tube 39 communicating with the inside of the case 38 is provided on the front side wall of the case 38. As will be described in detail later, the notification sound guide tube 39 is shaped to spread forward while being biased inward of the stove body 2 as shown in FIGS. 2 and 4, and shown in FIGS. 3 and 4. Thus, it is set as the shape which spreads toward the front, deviating toward the bottom part direction of the stove main body 2. FIG.

  Further, on the side wall of the case 38, the above-described pan bottom temperature sensors 9, 10, 11 and switches for selecting timer settings and cooking modes, dry batteries, and other electrical components are connected to the electrical board 37. A plurality of wiring openings 40 through which lead wires (not shown) are passed are provided.

  The control circuit 35 of the electrical board 37 controls the combustion state, the heating temperature, the heating time, etc. in the burners 4, 5, 6 and the grill 7. An alarm sound is generated by driving.

  Here, the notification sound guide tube 39 will be described in more detail. The notification sound guide tube 39 is attached to a through hole 41 formed on the side wall of the case 38 and guides the notification sound of the buzzer 36 to the outside of the case 38. The notification sound guide tube 39 has a tapered shape in which a distal end opening 43 serving as a notification sound outlet has a larger diameter than a proximal end opening 42 serving as a notification sound inlet, and gradually increases in diameter from the proximal end opening 42 toward the distal end opening 43. Is formed. And as shown in FIG. 2, the front-end | tip opening 43 of the notification sound guide cylinder 39 is provided in the attitude | position which opens toward the front side of the stove main body 2. As shown in FIG.

  As shown by an arrow in FIG. 2, the notification sound emitted from the buzzer 36 is guided toward the front side of the stove body 2 with directivity by the notification sound guide tube 39 and is provided on the front side of the stove body 2. 1 is discharged from the front of the gas stove 1 through the through hole 26 for sliding formed in the operation panel 16 and the switch holding holes 29 and 30 shown in FIG. Thereby, even if the control unit 34 is provided in the stove body 2 at a position relatively far from the front side and hardly affected by heat, the user facing the operation unit on the front side of the gas stove 1 can The notification sound of the buzzer 36 generated inside the case 38 of the control unit 34 can be heard reliably.

  Even if a gap is formed between the tip opening 43 of the notification sound guide tube 39 and the vent hole 33 on the front side of the stove body 2 or the operation panels 16 and 17, the notification sound guide tube 39 notifies the buzzer 36. Since the sound is reliably guided toward the front side of the stove main body 2, the function as an intake port for the combustion air and cooling air of the stove burners 4, 5 and 6 provided in the vent hole 33 is notified. The guide tube 39 is not obstructed.

  In addition, the notification sound guide tube 39 is formed in a tapered shape that gradually increases in diameter from the proximal end opening 42 toward the distal end opening 43, thereby obtaining a loud sound effect and increasing the electric power for driving the buzzer 36. Sufficient sound volume can be obtained without causing the battery to be exhausted.

  In addition, the inventor gradually increases the sound pressure level of the buzzer 36 when the notification sound guide tube 39 is not provided on the front side of the gas stove 1 and the diameter from the proximal end opening 42 toward the distal end opening 43 of the present embodiment. When the sound pressure level of the buzzer 36 was measured when the notification sound guide tube 39 formed in a tapered shape was measured, the former was 42 dB while the latter was 55 dB. Thereby, according to the structure of this embodiment, it became clear that a high level alerting | reporting sound volume is obtained.

  As shown in FIG. 3, the notification sound guide tube 39 is formed such that an axis s connecting the center of the base end opening 42 and the center of the tip opening 43 is inclined downward toward the tip opening 43. Yes. As a result, even if the boiled juice that has entered the inside of the stove main body 2 wraps around the inside of the notification sound guide tube 39, the boiled juice will be stored in the notification sound guide tube 39 on the side opposite to the case. Since it flows out to the front-end | tip direction, the penetration | invasion of the boiled juice to the inside of case 38 can be prevented.

  Further, as shown in FIG. 3, the notification sound guide tube 39 has convex portions 44 and 45 formed on the entire outer peripheral surface of the distal end opening 43 and the entire outer peripheral surface of the proximal end opening 42. Since the spilled juice can be dammed by the convex portions 44, 45, it is possible to prevent the spilled juice from entering the inside of the notification sound guide tube 39 and the case 38.

  As mentioned above, although one Embodiment of this invention was described, this invention is not limited to this. For example, as the shape of the notification sound guide tube 39, a taper shape in which the diameter gradually increases from the proximal end opening 42 toward the distal end opening 43 is mentioned. It may be formed in a cylindrical shape with the same diameter over the tip opening. Also in this case, when the sound pressure level of the buzzer 36 is measured on the front side of the gas stove 1, it is 53 dB, and a sufficient sound volume can be obtained.

  Further, in the present embodiment, the notification sound guide tube 39 formed so that the axis s connecting the center of the base end opening 42 and the center of the tip opening 43 is inclined downward toward the tip opening 43 is exemplified. However, in the case where adhesion of the simmered juice to the notification sound guide tube 39 is reliably prevented, the axis s connecting the center of the base end opening 42 and the center of the tip opening 43 is inclined horizontally or upward. Furthermore, the convex portions 44 and 45 may not be provided.

  In the present embodiment, the electric circuit board 37 on which the buzzer 36 is mounted has been described. In addition, the present invention provides a control including an electric circuit board on which a speaker for performing sound notification is mounted as a notification sound generating means. The unit can also be suitably employed.

  DESCRIPTION OF SYMBOLS 1 ... Gas stove, 2 ... Stove main body, 4, 5, 6 ... Stove burner (burner), 16, 17 ... Operation panel (operation part), 34 ... Control unit, 35 ... Control circuit, 36 ... Buzzer (notification sound generating means) 37... Electrical board, 38. Case, 39. Notification sound guide tube, 44.

Claims (4)

A burner that heats the cooked food, a stove body that houses the burner, an operation unit that is provided on the front surface of the stove body and operates to control point / fire extinguishing and heating power of the burner, and provided inside the stove body A gas stove comprising a control unit that controls cooking operation by the burner according to an operation in the operation unit,
The control unit includes a control circuit composed of electronic components and an electrical board on which a notification sound generating means for generating a notification sound is mounted and a case for housing the electrical board.
The case includes a notification sound guide tube that communicates with the inside and guides the notification sound of the notification sound generating means to the outside of the case.
A gas stove characterized in that the notification sound guide tube has a tip serving as an outlet for the notification sound that opens toward the front side of the stove body.   The gas stove according to claim 1, wherein the notification sound guide tube is formed in a tapered shape that gradually increases in diameter toward a tip serving as an outlet of the notification sound.   The gas stove according to claim 1 or 2, wherein the notification sound guide tube includes a convex portion projecting in a radial direction around a whole periphery of a tip end serving as an outlet of the notification sound.   The gas stove according to any one of claims 1 to 3, wherein the notification sound guide tube is provided such that an axis thereof is inclined downward toward a tip serving as an outlet of the notification sound. .