Gas cooking stove

Abstract

To provide a technology that allows a user to easily hear a sound emitted from a gas cooking stove more clearly.SOLUTION: A gas cooking stove 1 includes: a cylindrical part 120; and a holding part 130 for holding a speaker 160 on a back side of the cylindrical part 120, in a front configuration part 110. The cylindrical part 120 has a rear end part that is disposed in a position of a front surface of the holding part 130 or a position in proximity to the front surface of the holding part 130. A space through which air passes from a front end part to a rear end part continuously is configured inside the cylindrical part 120. The front surface of the holding part 130 faces the space. At least part of the speaker 160 is disposed in a position overlapping on the space longitudinally. The speaker 160 is fixed to the holding part 130 in a configuration that a discharge part for discharging a sound is oriented on a rear side in a position separated from a pair of side surface walls 2A, 2B and a back surface wall 2C constituting a housing 2 and in a configuration of being surrounded by the pair of side surface walls 2A, 2B, the back surface wall 2C, a bottom surface wall 2D, and a top plate 3.SELECTED DRAWING: Figure 11

Description

[Technical Field]

[0001] The present disclosure relates to gas stoves. [Background technology]

[0002] Patent Document 1 discloses a gas stove that can give voice commands. The gas stove in Patent Document 1 has a speaker fixed to the side of the housing, and the sound from the speaker is diffused to the side through many small holes provided on the side of the housing. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-074215 Summary of the Invention [Problem to be solved by the invention]

[0004] The speaker fixing method as disclosed in Patent Document 1 has the problem that the sound emitted from the speaker through the small hole is diffused to the sides of the gas stove, making it difficult for a user in the front to hear the sound.

[0005] One of the objectives of the present disclosure is to provide a technology that allows users to more clearly hear the sounds coming from a gas stove. [Means for solving the problem]

[0006] The gas stove that is one of the disclosures is A gas stove having a housing whose upper and front ends are open, a top plate attached to the upper end of the housing, a stove burner for emitting flames above the top plate, a grill chamber housed within the housing, the grill burner for heating the inside of the grill chamber, and a speaker for emitting sound, a front component fixed to a front portion of the housing; a front panel portion attached to the front structural portion and exposed to the outside of the gas stove, forming a part of the front portion of the gas stove; an operating section that is displaceably provided in the front component and configured to receive an operation from outside; and The housing has a pair of side walls, a rear wall, and a bottom wall, The front component includes a cylindrical portion extending forward from a predetermined position, and a holding portion that holds the speaker at the rear of the cylindrical portion. The cylindrical portion has an opening on its front end side, a rear end of the cylindrical portion is disposed at a position on a front surface of the holding portion or at a position close to the front surface of the holding portion; a space through which air passes continuously from the front end to the rear end is defined within the cylindrical portion, a front surface of the holding portion faces the space, and at least a portion of the speaker is positioned so as to overlap the space in the front-rear direction; The speaker has an emission portion that emits sound, and is fixed to the holding portion in a configuration in which the emission portion faces rearward at a position away from the pair of side walls and the rear wall, and is surrounded by the pair of side walls, the rear wall, the bottom wall, and the top plate. [Effects of the Invention]

[0007] The technology disclosed herein allows users to more clearly hear the sounds coming from the gas stove. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view schematically illustrating a gas stove according to a first embodiment. [Figure 2] FIG. 2 is a front view of the gas stove of FIG. [Figure 3] FIG. 3 is an explanatory diagram schematically showing a gas supply structure to each gas burner in the gas stove of FIG. [Figure 4] FIG. 4 is a block diagram illustrating an example of the electrical configuration of the gas stove of FIG. [Figure 5] 5 is an exploded perspective view showing the gas stove of FIG. 1 with the top plate, the front component, the grill door, etc. disassembled. [Figure 6] FIG. 6 is a perspective view illustrating a front unit that forms a part of the gas stove of FIG. [Figure 7] FIG. 7 is a perspective view of the front unit of FIG. 6 as seen obliquely from the rear side. [Figure 8] 8 is a perspective view schematically illustrating a state in which the operation portion of the front unit of FIG. 6 is displaced to a second position. [Figure 9] FIG. 9 is a perspective view that schematically illustrates a state in which the operation unit is removed from the front unit of FIG. [Figure 10] 10 is a front view schematically illustrating a state in which the operation unit is removed from the front unit of FIG. 6. FIG. [Figure 11] FIG. 11 is a perspective cross-sectional view that schematically illustrates a cross-sectional configuration taken along a line near the cylindrical portion in a state where the operation portion is removed from the front unit of FIG. [Figure 12] 12 is a perspective cross-sectional view showing a schematic example of a cross-sectional configuration cut near the cylindrical portion in a state where the operation portion is removed from the front unit in FIG. 6, from a direction different from that shown in FIG. [Figure 13] 13 is a perspective cross-sectional view showing a schematic example of a cross-sectional configuration cut near the cylindrical portion in a state where the operation portion is removed from the front unit in FIG. 6, from a direction different from that of FIGS. 11 and 12. FIG. [Figure 14] FIG. 14 is a perspective cross-sectional view that schematically shows the configuration of a gas stove, with a part cut at a predetermined position. [Figure 15] FIG. 15 is a perspective cross-sectional view that schematically shows the configuration of a part of the gas stove cut at a position different from that shown in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] Each of the following [1] to [5] is an example of a characteristic technique included in the present disclosure.

[0010] [1] A gas stove having a housing whose upper and front ends are open, a top plate attached to the upper end of the housing, a stove burner for emitting flames above the top plate, a grill chamber housed in the housing, a grill burner for heating the inside of the grill chamber, and a speaker for emitting sound, a front component fixed to a front portion of the housing; a front panel portion attached to the front structural portion and exposed to the outside of the gas stove, forming a part of the front portion of the gas stove; an operating section that is displaceably provided in the front component and configured to receive an operation from outside; and The housing has a pair of side walls, a rear wall, and a bottom wall, The front component includes a cylindrical portion extending forward from a predetermined position, and a holding portion that holds the speaker at the rear of the cylindrical portion. The cylindrical portion has an opening on its front end side, a rear end of the cylindrical portion is disposed at a position on a front surface of the holding portion or at a position close to the front surface of the holding portion; a space through which air passes continuously from the front end to the rear end is defined within the cylindrical portion, a front surface of the holding portion faces the space, and at least a portion of the speaker is positioned so as to overlap the space in the front-rear direction; The speaker has an emission portion that emits sound, and is configured so that the emission portion faces rearward at a position away from the pair of side walls and the rear wall, and is surrounded by the pair of side walls, the rear wall, the bottom wall, and the top plate, and is fixed to the holding portion. Gas stove.

[0011] The gas stove described in [1] above has an open front end, and the speaker is fixed facing backward so as to emit sound toward the rear in a space surrounded by a pair of side walls, a back wall, a bottom wall, and a top plate of the housing. This configuration allows sound emitted from the speaker to easily resonate inside the housing, preventing excessive sound diffusion from the sides of the gas stove. More specifically, sound emitted from the speaker held facing backward near the front component is reflected and collected by the pair of side walls, a back wall, a bottom wall, and a top plate of the housing, improving the sound resonance. This sound is also more likely to be guided toward the front of the gas stove through an opening in the top plate or a gap near the front component. Furthermore, a cylindrical portion is provided in front of the holder that holds the speaker, extending forward from a predetermined position. An opening is provided at the front end of the cylindrical portion, and the rear end of the cylindrical portion is positioned at or near the front of the holder. This configuration allows the vibrations of the holder caused by the speaker to easily propagate through the space within the cylindrical part, and the sound generated by the speaker can be transmitted to the front more emphatically around the cylindrical part and the holder. Therefore, if a user is in front of the gas stove, the user can more easily hear the sound emitted from the speaker.

[0012] [2] The front panel portion has a front covering plate that covers the tubular portion from the front side, the holding portion has a rear covering plate that covers the cylindrical portion from the rear side, The space is surrounded by the cylindrical portion and the rear covering plate on the top, bottom, left, right, and rear sides, a front surface of the rear covering plate facing the space, and the speaker fixed to a back surface of the rear covering plate; The rear covering plate vibrates in response to vibration of the speaker. The gas stove described in [1].

[0013] The gas stove described in [2] above has a structure in which the cylindrical portion is covered from the rear with a rear covering plate, forming an enclosed space, and the vibrations of the speaker are transmitted to the rear covering plate facing the space. In this gas stove, the rear covering plate is easily vibrated by the vibrations of the speaker, and the influence of the speaker is easily propagated through the space.

[0014] [3] The front component has a cylindrical housing portion that forms a housing space that houses the operating portion, The storage section includes a pair of side wall portions disposed on both the left and right sides of the storage space, an upper wall portion disposed on an upper side of the storage space, and a lower wall portion disposed on a lower side of the storage space, the operation unit is held by the front component so as to be displaceable between a first position where the operation unit is housed inside the housing unit and a second position where at least a portion of the operation unit is moved forward from the first position, the cylindrical portion is disposed between the pair of side wall portions within the accommodation portion, The operation unit is configured by integrating a front panel and an operation panel, When the operation unit is in the first position, the front plate portion is in proximity to the front end portion of the cylindrical portion and functions as a front covering plate so as to cover the front end portion from the front side, and the operation panel is accommodated between the cylindrical portion and the upper wall portion in the accommodation portion, When the operation unit is in the second position, the operation panel moves to the outside of the storage unit and is exposed to the outside of the gas stove. A gas stove according to [1] or [2].

[0015] The gas stove described in [3] above can be configured so that the operating unit equipped with the operating panel can be displaced between a first position housed inside the housing and a second position moved forward from the first position. In such a configuration, the cylindrical portion can be efficiently arranged in the housing that houses the operating unit in a configuration that minimizes interference with the displaceable operating unit.

[0016] [4] The speaker is an element-type speaker having a plate-shaped element, the element is arranged with one plate surface portion facing rearward and functioning as the emission portion, a covering portion having a hole is provided to cover the one plate surface portion, The sound emitted from the one plate surface portion is emitted to the rear side of the element through the hole portion. A gas stove according to [1] or [2].

[0017] The gas stove described in [4] above uses an element-type speaker with a plate-shaped element, which facilitates size reduction. Furthermore, the rear plate surface of the element is covered with a covering having a hole, which protects the element from the rear and allows sound generated by the element's vibration to easily propagate through the hole to the rear space (the space within the housing). Furthermore, the speaker is located away from the pair of side walls and the rear wall, and the rear space is surrounded by the top plate, the pair of side walls, the rear wall, and the bottom wall. This prevents sound waves emitted rearward through the hole from diffusing to the sides or rear of the housing. This allows sound waves to more easily travel forward and propagate to the front of the gas stove through the open front end of the housing and gaps near the front component. This configuration allows a user in front of the gas stove to more easily hear the sound emitted from the speaker.

[0018] [5] The speaker is an element-type speaker having a plate-shaped element, the element is arranged with one plate surface portion facing rearward and functioning as the emission portion, the holding portion is provided with a rear covering plate so as to close the rear end portion of the cylindrical portion, The front surface of the rear covering plate is exposed to the space within the cylindrical portion, and the other plate surface portion of the element is supported on the back surface of the rear covering plate, so that the element is held by the holding portion. A gas stove according to [1] or [2].

[0019] The gas stove described in [5] above uses an element-type speaker with a plate-shaped element, which makes it easy to reduce the speaker size. Furthermore, since the plate surface of the element of the element-type speaker is supported on the back surface of the rear covering plate, vibrations of the element are easily transmitted to the rear covering plate, and since the front surface of the rear covering plate is exposed to the space within the cylindrical portion, vibrations of the rear covering plate that receive vibrations of the element are easily transmitted to the space within the cylindrical portion.

[0020] First Embodiment The following description relates to the first embodiment. 1. Overview of Gas Stove 1 The gas stove 1 shown in FIGS. 1 and 2 is configured as a built-in stove capable of heating cooking utensils such as cooking pots. The gas stove 1 has an outer shell (case body) formed by a stove main body 1A, and various components such as a gas burner are housed inside the stove main body 1A. The stove main body 1A includes a box-shaped housing 2, a top plate 3 fixed to the upper end of the housing 2, and panel units 70A and 70B (upper panel units) and panel units 80A and 80B (lower panel units) fixed to the front end side of the housing 2. The housing 2 is configured to house at least a portion of the operated device 190 and gas burners 51, 52, 53, and 54, which will be described later.

[0021] In this specification, in gas stove 1, the thickness direction of top plate 3 is the up-down direction, the direction parallel to the rotation axes of operation buttons (rotation operation units) 6A, 6B, 6C, and 6D is the front-rear direction, and the direction perpendicular to the up-down direction and the front-rear direction is the left-right direction. In Figure 2, the left-right direction is the left-right direction of gas stove 1, and the up-down direction is the up-down direction of gas stove 1.

[0022] The gas stove 1 has a right burner section 4A, a left burner section 4B, and a rear burner section 4C, each of which is exposed from a top plate 3 that forms the upper surface of the stove body 1A. A grill compartment 5 is provided below the top plate 3. The grill compartment 5 is housed within the housing 2, located near the center of the interior of the stove body 1A, and can be opened and closed by a grill door 5B. The right burner section 4A, the left burner section 4B, the rear burner section 4C, and the grill compartment 5 are provided with gas burners 51, 52, 53, and 54, as shown in FIG. 3. Branch supply paths 61, 62, 63, and 64 are connected to the gas burners 51, 52, 53, and 54, respectively, and these branch supply paths 61, 62, 63, and 64 branch off from a common supply path 60.

[0023] Common supply path 60 is provided with a main solenoid valve N1 that opens and closes common supply path 60, and each branch supply path 61, 62, 63 is provided with solenoid valves (safety valves) 51G, 52G, 53G, shut-off valves 51F, 52F, 53F, and heat power adjustment valves 51E, 52E, 53E that can open and close each branch supply path 61, 62, 63. Safety valve 51G, shut-off valve 51F, and heat power adjustment valve 51E are driven by a stepping motor M1, safety valve 52G, shut-off valve 52F, and heat power adjustment valve 52E are driven by a stepping motor M2, and safety valve 53G, shut-off valve 53F, and heat power adjustment valve 53E are driven by a stepping motor M3.

[0024] Gas burners 51, 52, and 53 provided in right burner section 4A, left burner section 4B, and rear burner section 4C are gas burners for emitting flames upward on top plate 3 and are an example of a burner burner. Gas burner 54 in grill chamber 5 is a gas burner for heating the interior of grill chamber 5 and is an example of a grill burner. Gas burner 54 includes upper burner 54A disposed on the upper side within grill chamber 5 and lower burner 54B disposed on the lower side. Branch supply passage 64 branches off from common supply passage 60 and leads gas to gas burner 54, and from this branch supply passage 64, a first supply passage 65A that leads gas to upper burner 54A and a second supply passage 65B that leads gas to lower burner 54B branch off. Gas supply is controlled by solenoid valve 54G, shut-off valve 54F, and solenoid valves 54H, 54J, and 54K.

[0025] 1 and 2, four operation buttons (rotary operation units) 6A, 6B, 6C, and 6D for igniting, extinguishing, and adjusting the heat are provided corresponding to right burner unit 4A, left burner unit 4B, rear burner unit 4C, and grill chamber 5. As shown in Fig. 4, switches 30A, 30B, 30C, and 30D are provided corresponding to operation buttons (rotary operation units) 6A, 6B, 6C, and 6D, respectively, and ignition signal input circuits 40A, 40B, 40C, and 40D are provided corresponding to switches 30A, 30B, 30C, and 30D, respectively. Furthermore, displacement detection units 32A, 32B, 32C, and 32D are provided corresponding to the operation buttons (rotation operation units) 6A, 6B, 6C, and 6D, respectively, and heating signal input circuits 42A, 42B, 42C, and 42D are provided corresponding to the displacement detection units 32A, 32B, 32C, and 32D, respectively.

[0026] Furthermore, igniters 26A, 26B, 26C, and 26D are provided adjacent to the gas burners 51, 52, 53, and 54, respectively, and igniter circuits 46A, 46B, 46C, and 46D are provided corresponding to the igniters 26A, 26B, 26C, and 26D, respectively. The control circuit 10 is configured as, for example, a microcomputer and includes a CPU 10A, a ROM 10B, and a RAM 10C. The control circuit 10 controls the above-mentioned solenoid valves, igniters 26A, 26B, 26C, and 26D, motors M1, M2, M3, and M4, non-volatile memory 16, and the like. The operation unit 18 is configured with a known input interface such as an operation button or a touch panel. The power supply circuit 48 receives power from batteries 49 (e.g., two dry batteries) housed in a battery box and generates a predetermined power supply voltage. The control circuit 10 is electrically connected to a speaker drive circuit (not shown), and the control circuit 10 and the speaker drive circuit control the sound emitted from a speaker 160 (described later).

[0027] 2. Structure of the housing 2, top panel 3, front component 110, etc. As shown in FIG. 5 , the housing 2 is box-shaped and has a pair of side walls 2A and 2B, a rear wall 2C, and a bottom wall 2D. The top and front ends of the housing 2 are open. Specifically, the top end of the housing 2 is open as an opening 2Z, and a top plate 3 is attached to the top end of the housing 2 in a manner that closes the opening 2Z. The front end of the housing 2 is also open as an opening 2Y, and a front component 110 and other components are attached so as to be inserted into the opening 2Y at the front end of the housing 2.

[0028] As shown in Figures 5 to 8, the gas stove 1 is provided with a front component 110 that is fixed to the front portion of the housing 2. Specifically, the front component 110 is attached so as to be inserted into part of an opening 2Y provided at the front end of the housing 2. The front component 110 is configured to partially cover the opening 2Y of the housing 2, and as shown in Figures 6 and 8, the operating unit 18 is provided so as to be displaceable.

[0029] As shown in Fig. 6, the panel sections 70B and 80B are attached to the front side of the front component section 110 in a configuration that covers the front surface of the front component section 110. The panel sections 70B and 80B and the front component section 110 are integrally assembled to form a front unit 108, which is attached to the housing 2 from the front side. As shown in Fig. 7, the front component section 110 has an upper section 110A that holds the upper panel section 70B and a lower section 110B that holds the lower panel section 80B.

[0030] The panel portions 70B, 80B shown in Figure 6 correspond to an example of a front panel portion. The panel portions 70B, 80B are configured in a plate shape. The panel portions 70B, 80B are attached to the front component portion 110 directly or indirectly via other members, and are configured to be exposed to the outside of the gas stove 1, forming part of the front portion of the gas stove 1. Each surface of the panel portions 70B, 80B forms part of the front portion of the gas stove 1, as shown in Figure 1.

[0031] As shown in Fig. 6, the panel portion 70B is provided with a through-hole 102 penetrating through the panel portion 70B in the thickness direction. Furthermore, a hole 110C is provided in the upper portion 110A of the front component 110 at a position rearward of the through-hole 102, and the through-hole 102 and the hole 110C are adjacent to each other in the front-rear direction and communicate with each other. As shown in Figs. 5 to 7, the operation button 6B is inserted and held in the through-hole 102 and the hole 110C, and is movable forward and backward and rotatable. Furthermore, a through-hole 103 corresponding to the operation button 6C is also provided, and the operation button 6C has a similar configuration.

[0032] As shown in Figures 8 to 10, the front component 110 has a cylindrical housing portion 140 that forms a housing space that houses the operating unit 18. The housing portion 140 includes a pair of side wall portions 142 arranged on both the left and right sides of the housing space 140A, an upper wall portion 144 arranged on the upper side of the housing space 140A, and a lower wall portion 146 arranged on the lower side of the housing space 140A. The housing portion 140 is configured as an opening with an open front end. As shown in Figures 8 and 9, the operating unit 18 is provided in the housing portion 140 so as to be inserted from the front side.

[0033] 6 and 8, an operating unit 18 configured to receive an external operation is displaceably provided on the front component 110. The operating unit 18 is held by the front component 110 so as to be displaceable between a first position (FIG. 6) where it is housed inside the housing portion 140, and a second position (FIG. 8) where at least a portion of the operating unit 18 is moved forward from the first position.

[0034] 3. Speaker-related configuration As shown in Fig. 7, a speaker 160 is attached to the front component 110. Meanwhile, as shown in Figs. 9 to 13, a cylindrical portion 120 is provided in the front component 110 at a position in front of the speaker 160, and the cylindrical portion 120 extends forward from a predetermined position. Furthermore, the front component 110 is provided with a holding portion 130 behind the cylindrical portion 120 to hold the speaker 160.

[0035] As shown in Figures 9 and 10, the tubular portion 120 has a rectangular tube shape when viewed from the front. As shown in Figure 9, the front end of the tubular portion 120 is open and is provided near the opening of the front end of the storage portion 140. The tubular portion 120 is disposed between a pair of side wall portions 142 inside the storage portion 140. As shown in Figures 11 to 13, the rear end of the tubular portion 120 is disposed at the front position of the holding portion 130 or in a position close to the front position of the holding portion 130. A space through which air can pass is formed continuously from the front end to the rear end inside the tubular portion 120.

[0036] As shown in FIGS. 11 to 13, speaker 160 is configured as an element-type speaker having a plate-shaped element 162. Element 162 is disposed with one plate surface portion (specifically, the portion forming the rear plate surface) facing rearward and functions as a sound emission portion that emits sound. Covering portion 170 having hole 172 is provided to cover the one plate surface portion of element 162. In the vicinity of speaker 160, sound emitted from one plate surface portion is emitted rearward from element 162 through hole 172. Speaker 160 is configured to be located away from the pair of side walls 2A, 2B and rear wall 2C with its emission portion facing rearward, and is surrounded by the pair of side walls 2A, 2B, rear wall 2C, bottom wall 2D, and top plate 3, and is fixed to holder 130.

[0037] 11 to 13, holding section 130 that holds speaker 160 is provided with rear covering plate 132 that closes the rear end of cylindrical section 120. Element 162 is held by holding section 130 in a configuration in which front surface 132A of rear covering plate 132 is exposed to the space within cylindrical section 120, and the other plate surface portion of element 162 (specifically, the portion that forms the front plate surface) is supported by back surface 132B of rear covering plate 132. The front surface of holding section 130 faces the space within cylindrical section 120, and speaker 160 is disposed in a position where at least a portion thereof overlaps with the space in the front-to-rear direction.

[0038] The panel portions 70B, 80B (front panel portions) have a front covering plate that covers the cylindrical portion 120 from the front side. The holding portion 130 has a rear covering plate 132 that covers the cylindrical portion 120 from the rear side. The cylindrical portion 120 and the rear covering plate 132 surround the space from above, below, left, right, and rear. A front surface 132A of the rear covering plate 132 faces the space, and a speaker 160 is fixed to a back surface 132B of the rear covering plate 132. The rear covering plate 132 vibrates in response to vibration of the speaker 160. Specifically, the rear covering plate 132 vibrates in response to vibration of the element 162, and this vibration is easily propagated to the air inside the cylindrical portion 120.

[0039] In this configuration, a plate-like panel portion 80B forming part of the operation unit 18 functions as a front plate portion of the operation unit 18, and this front plate portion is integrally formed with the operation panel 180. As shown in FIG. 6, when the operation unit 18 is in the first position, the panel portion 80B (front plate portion) functions as a front covering plate so as to be close to the front end portion of the cylindrical portion 120 and cover the front end portion from the front side, and the operation panel 180 is accommodated between the cylindrical portion 120 and the upper wall portion 144 in the accommodation portion 140. When the operation unit 18 is in the first position, a small gap is formed between the front plate portion and the front end portion of the cylindrical portion 120. On the other hand, as shown in FIG. 8, when the operation unit 18 is in the second position, the operation panel 180 moves outside the accommodation portion 140 and is exposed to the outside of the gas stove 1. At this time, a large gap is formed between the front plate portion and the front end portion of the cylindrical portion 120.

[0040] 4.Example of effects The gas stove 1 is configured with an open front end of the housing 2, and a speaker 160 is fixed facing backward so as to emit sound rearward in the space surrounded by a pair of side walls 2A, 2B, a back wall 2C, a bottom wall 2D, and a top plate 3 of the housing 2. This configuration makes it easier for sound emitted from the speaker 160 to resonate inside the housing 2, and prevents the sound from diffusing too much to the outside from the sides of the gas stove 1. More specifically, sound emitted from the speaker held facing backward near the front component is reflected and collected by the pair of side walls, back wall, bottom wall, and top plate of the housing, improving the resonation of the sound, and such sound is more likely to be guided to the front of the gas stove 1 through an opening in the top plate or a gap near the front component 110 provided on the front side. Furthermore, a cylindrical portion 120 is provided on the front side of the holding portion 130 that holds the speaker 160, extending forward from a predetermined position, an opening is provided on the front end side of the cylindrical portion 120, and the rear end of the cylindrical portion 120 is located at the front side of the holding portion 130 or a position close to the front side of the holding portion 130. With this configuration, the influence of vibrations of the holding portion 130 caused by vibrations of the speaker 160 is easily propagated into the space within the cylindrical portion 120, and sound propagating within the cylindrical portion 120 can be emitted from the opening on the front end side of the cylindrical portion 120. As a result, sound generated by the speaker 160 can be transmitted forward with greater emphasis around the cylindrical portion 120 and the holding portion 130. In this way, both the sound propagating backward from the speaker 160 and the sound propagating inside the cylindrical portion 120 tend to propagate to the front side of the gas stove 1, so if a user is in front of the gas stove 1, the user can more easily hear the sound emitted from the speaker 160.

[0041] In particular, as shown in FIGS. 14 and 15 , in gas stove 1, space 2W behind speaker 160 (the space where hole 172 is exposed) is connected to opening 3A for releasing exhaust air from grill chamber 5. Sound emitted from speaker 160 into space 2W is likely to be released upward through opening 3A to the top plate 3 via the paths indicated by arrows F1 ( FIG. 5 ), F2 ( FIG. 14 ), and F3 ( FIG. 15 ). Specifically, as shown in FIG. 5 , opening 3A is provided near the rear end of top plate 3, and a mesh-like ventilation member (ventilation cover) 3B is provided to partially cover opening 3A. As shown in FIG. 15 , below opening 3A and below ventilation member 3B, an exhaust port 5Z for releasing exhaust air generated inside grill chamber 5 is provided. The exhaust air released from exhaust port 5Z is released upward toward the rear end of top plate 3 through holes provided in ventilation member 3B. In this configuration, a gap is formed between the exhaust port 5Z and the ventilation member 3B, and for example, the space in front of the exhaust port 5Z is connected to the hole in the ventilation member 3B and the space near the speaker 160, so that sound emitted backward from the speaker 160 into the space 2W is likely to propagate upward along the path indicated by arrow F3 toward the top plate 3. Also, as shown in Figure 2, gaps are formed between the panel portions 80A, 80B and the grill door 5B, and between the grill chamber 5 and the front component 110, so that sound reflected and collected in the space 2W is likely to propagate to the front side of the gas stove 1 through these gaps.

[0042] Gas stove 1 is configured such that cylindrical portion 120 is covered from the rear with rear covering plate 132 to form an enclosed space, and vibrations of speaker 160 are transmitted to rear covering plate 132 facing the space. In this gas stove 1, rear covering plate 132 is likely to vibrate due to vibrations of speaker 160, and the influence of speaker 160 is likely to propagate through the space.

[0043] The gas stove 1 can be configured such that the operating unit 18, which is equipped with the operation panel 180, can be displaced between a first position housed inside the housing 140 and a second position moved forward from the first position. In such a configuration, the cylindrical portion 120 can be efficiently arranged in the housing 140 that houses the operating unit 18 in a configuration that minimizes interference with the displaceable operating unit 18.

[0044] In gas stove 1, speaker 160 is configured using an element-type speaker having plate-shaped element 162, which makes it easy to reduce the size of speaker 160. Furthermore, since the rear plate surface of element 162 is covered by covering portion 170 having hole 172, element 162 is protected from the rear side, and sound generated based on vibration of element 162 is easily propagated through hole 172 to the space on the rear side (the space inside housing 2). Furthermore, because speaker 160 is located away from the pair of side walls 2A, 2B and the rear wall 2C, and the space on the rear side (the space inside housing 2) is surrounded by top plate 3, the pair of side walls 2A, 2B, the rear wall 2C, and the bottom wall 2D, sound waves emitted to the rear side through hole 172 can be prevented from diffusing to the sides or rear of housing 2, making it easier for sound waves to travel to the front side and propagate to the front side of gas stove 1 through gaps near the open front end of the housing and front component 110. With this configuration, when a user is in front of gas stove 1, the user can more easily hear the sound emitted from speaker 160.

[0045] In gas stove 1, speaker 160 is configured using an element-type speaker having plate-shaped element 162, which makes it easy to reduce the size of speaker 160. Furthermore, since the plate surface portion of element 162 of the element-type speaker is supported on back surface 132B of rear covering plate 132, vibrations of element 162 are easily transmitted to rear covering plate 132, and since front surface 132A of rear covering plate 132 is exposed to the space within cylindrical portion 120, vibrations of rear covering plate 132 that have received vibrations from element 162 are easily propagated to the space within cylindrical portion 120.

[0046] <Other embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, any combination of features of the above-described or following embodiments is possible within a range that does not contradict. Furthermore, any feature of the above-described or following embodiments may be omitted unless explicitly stated as essential. Furthermore, the above-described embodiments may be modified as follows.

[0047] In the above-described embodiment, as shown in Figures 11 to 13, the rear end of the tubular portion 120 is located at the front surface of the holding portion 130, but the rear end of the tubular portion 120 may also be located close to the front surface of the holding portion 130 at a position slightly away from the front surface of the holding portion 130.

[0048] It should be noted that the embodiments disclosed herein should be considered to be illustrative in all respects and not restrictive. The scope of the present invention is not limited to the embodiments disclosed herein, but is intended to include all modifications within the scope indicated by the claims or the scope equivalent to the claims. [Explanation of symbols]

[0049] 1: Gas stove 2: Housing 3: Top plate 5: Grill compartment 5B: Grill door 18:Operation section 51: Gas burner (stove burner) 52: Gas burner (stove burner) 53: Gas burner (stove burner) 54: Gas burner (grill burner) 70B: Panel section (front panel section) 80A: Panel section (front panel section) 110: Front component 120: Cylindrical part 130: Holding part 132: Rear cover plate 132A:Front 132B: Back side 140: Storage unit 142: Side wall 144: Upper wall part 146: Lower wall part 160: Speaker 162: Element 170: Covering part 172: Hole 180: Operation panel

Claims

1. A gas stove having a housing whose upper and front ends are open, a top plate attached to the upper end of the housing, a stove burner for emitting flames above the top plate, a grill chamber housed within the housing, the grill burner for heating the inside of the grill chamber, and a speaker for emitting sound, a front component fixed to a front portion of the housing; a front panel portion attached to the front structural portion and exposed to the outside of the gas stove, forming a part of the front portion of the gas stove; an operating section that is displaceably provided in the front component and configured to receive an operation from outside; and The housing has a pair of side walls, a rear wall, and a bottom wall, The front component includes a cylindrical portion extending forward from a predetermined position, and a holding portion that holds the speaker at the rear of the cylindrical portion. The cylindrical portion has an opening on its front end side, a rear end of the cylindrical portion is disposed at a position on a front surface of the holding portion or at a position close to the front surface of the holding portion; a space through which air passes continuously from the front end to the rear end is defined within the cylindrical portion, a front surface of the holding portion faces the space, and at least a portion of the speaker is positioned so as to overlap the space in the front-rear direction; The speaker has an emission portion that emits sound, and is configured so that the emission portion faces rearward at a position away from the pair of side walls and the rear wall, and is surrounded by the pair of side walls, the rear wall, the bottom wall, and the top plate, and is fixed to the holding portion. Gas stove.

2. the front panel portion has a front covering plate that covers the tubular portion from the front side, the holding portion has a rear covering plate that covers the cylindrical portion from the rear side, the space is surrounded by the cylindrical portion, the front covering plate, and the rear covering plate, a front surface of the rear covering plate facing the space, and the speaker fixed to a back surface of the rear covering plate; The rear covering plate vibrates in response to vibration of the speaker.

2. The gas stove according to claim 1.

3. the front component has a cylindrical housing portion that forms a housing space that houses the operation portion, The storage section includes a pair of side wall portions disposed on both the left and right sides of the storage space, an upper wall portion disposed on an upper side of the storage space, and a lower wall portion disposed on a lower side of the storage space, the operation unit is held by the front component so as to be displaceable between a first position where the operation unit is housed inside the housing portion and a second position where at least a portion of the operation unit is moved forward from the first position, the cylindrical portion is disposed between the pair of side wall portions within the accommodation portion, The operation unit is configured by integrating a front panel and an operation panel, When the operation unit is in the first position, the front plate portion is in close proximity to the front end portion of the cylindrical portion and functions as a front covering plate so as to cover the front end portion from the front side, and the operation panel is accommodated between the cylindrical portion and the upper wall portion in the accommodation portion, When the operation unit is in the second position, the operation panel moves to the outside of the storage unit and is exposed to the outside of the gas stove.

3. A gas stove according to claim 1 or claim 2.

4. the speaker is an element-type speaker having a plate-shaped element, the element is arranged with one plate surface portion facing rearward and functioning as the emission portion, a covering portion having a hole is provided to cover the one plate surface portion, The sound emitted from the one plate surface portion is emitted to the rear side of the element through the hole portion.

3. A gas stove according to claim 1 or claim 2.

5. the speaker is an element-type speaker having a plate-shaped element, the element is arranged with one plate surface portion facing rearward and functioning as the emission portion, the holding portion is provided with a rear covering plate so as to close the rear end portion of the cylindrical portion, The front surface of the rear covering plate is exposed to the space in the cylindrical portion, and the other plate surface portion of the element is supported on the back surface of the rear covering plate, so that the element is held by the holding portion.

3. A gas stove according to claim 1 or claim 2.

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