JP2013063244A - Automatic bread maker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic bread maker that suppresses the number of components and size increase of a device and improves heating efficiency so that a difference of a baked color between a top surface and other sides of bread can be reduced.SOLUTION: The automatic bread maker includes: a bottomed cylindrical heater case 2 arranged within equipment body, which forms a heating chamber 1a; a kneading container 7 stored in the heating chamber 1a, which houses a cooking material; a heater 10 arranged around the kneading container 7; and a lid 12 which can open and close an upper opening of the heater case 2. The lid 12 has an inner lid 14 facing the heating chamber 1a. The inner lid 14 is formed of a metal material whose surface facing the heating chamber 1a is subjected to mirror surface treatment so as to reflect heat of the heater 10.

Description

  The present invention relates to an automatic bread maker used for home use, which can automatically add auxiliary materials such as yeast and raisins into cooking ingredients during the bread making process.

  Conventionally, as this type of automatic bread maker, for example, the one shown in FIG. 5 and FIG. 6 is known (for example, Patent Document 1: Japanese Patent No. 3928592, Patent Document 2: JP 2011-010910 A). No. publication). FIG. 5 is a sectional view of a conventional automatic bread maker, and FIG. 6 is a perspective view thereof.

  5 and 6, a conventional automatic bread maker includes a bottomed cylindrical device body 101. In the apparatus main body 101, a bottomed cylindrical heater case 102 forming a heating chamber 101a is provided. A kneading container 103 for storing cooking materials such as bread dough is detachably attached in the heater case 102.

  An operation unit 104 including various electronic components is provided on the front upper part of the apparatus main body 101 (upper left side in FIG. 5). The operation unit 104 includes a selection unit 105 that can select a specific cooking course from a plurality of cooking courses, and a display unit 106 that displays various types of information such as information selected by the selection unit 105.

  A hinge portion 101b is provided on the upper rear portion (upper right side in FIG. 5) of the device main body 101. A lid 107 that can open and close the upper opening 102a of the heater case 102 is rotatably attached to the hinge 101b. The lid 107 includes an inner lid 108, a lid body 109, and an outer lid 110.

  The inner lid 108 is provided so as to face the heating chamber 101a. The lid main body 109 is attached with a secondary material container 111 for storing a secondary material with a relatively small volume such as yeast and a secondary material container 112 for storing a secondary material with a relatively large volume such as raisins and nuts. . The auxiliary material containers 111 and 112 are disposed above the kneading container 103. The outer lid 110 is attached so that the upper opening 111a of the secondary material container 111 and the upper opening 112a of the secondary material container 112 can be opened and closed.

  The bottom wall of the auxiliary material container 112 is constituted by an opening / closing plate 112b. The opening / closing plate 112 b is configured to be rotatable so that the auxiliary material accommodated in the auxiliary material container 112 can be put into the kneading container 103. The opening / closing plate 112b is biased by a spring (not shown) so as to close the lower opening of the sub-material container 112.

  A solenoid 113 is disposed below the selection unit 105 or the display unit 106. The plunger 113 a of the solenoid 113 is provided so as to pass through the side wall 104 a of the operation unit 104 and the side wall 109 a of the lid main body 109 and move into the lid main body 109. When the plunger 113a of the solenoid 113 moves into the lid main body 109, the opening / closing plate 112a is pushed by the link member 114 in contact with the plunger 113a and rotates against the elastic force of the spring. As a result, the auxiliary material in the auxiliary material container 112 is put into the kneading container 103. As for the secondary material container 111, the secondary material in the secondary material container 111 is charged into the kneading container 103 by the same mechanism as the secondary material container 112.

  A bottomed cylindrical kneading container base 103 a is provided on the outer surface of the bottom of the kneading container 103. The kneading container base 103 a is configured to be bayonet-coupled to a bottomed cylindrical container support base 115 provided on the bottom surface 102 b of the heater case 102. The kneading container base 103a is bayonet-coupled to the container support base 115, whereby the kneading container 103 is supported in the heating chamber 101a.

  A heater 116 is provided in the heating chamber 101a. The heater 116 is provided around the kneading container 103. The center of the heat generating portion of the heater 116 is fixed to the side surface 102c of the heater case 102 via a ceramic insulator.

  In the conventional automatic bread maker having the above-described configuration, the heater 116 is provided so as to mainly heat the kneading container 103, so that the upper surface of the cooking material that does not directly contact the kneading container 103 directly contacts the kneading container 103. It is hard to be heated compared with the other side of cooking ingredients. For this reason, the upper surface of the baked bread has the subject that a baked color tends to become thin compared with another surface.

  For example, Patent Document 3 (Japanese Patent Laid-Open No. 5-344932), Patent Document 4 (Patent No. 2529844), and Patent Document 5 (Patent No. 2559585) disclose automatic breadmakers that improve the above problems. Has been.

  Patent Document 3 discloses an automatic bread maker in which a heater for heating the upper surface of a cooking material is provided above the kneading container separately from the heater for mainly heating the kneading container.

  Patent Document 4 and Patent Document 5 describe an automatic bread maker in which air in a heating chamber is sucked by a fan, the air is heated by a fan heater, and discharged into the heating chamber, so that the heating chamber is soaked. A machine is disclosed.

Japanese Patent No. 3928592 JP2011-010910A JP-A-5-344932 Japanese Patent No. 2529844 Japanese Patent No. 2559585

  However, in the automatic bread maker of patent document 3, since the heater which heats the upper surface of a cooking material is provided separately, the number of parts increases. For this reason, the control system becomes complicated and the manufacturing cost increases.

  Further, in the automatic bread maker disclosed in Patent Documents 4 and 5, it is necessary to separately secure a space for providing a fan and a fan casing for housing the fan heater outside the heating chamber, which increases the size of the apparatus. Moreover, since a fan and a fan heater are separately provided, the number of parts increases as in the automatic bread maker disclosed in Patent Document 3. For this reason, the control system becomes complicated and the manufacturing cost increases. Moreover, in the automatic bread maker of patent document 4 and 5, since the air of the whole heating chamber is circulated and equalized, heat loss is large and heating efficiency is bad.

  Accordingly, an object of the present invention is to solve the above-mentioned problems, and while suppressing an increase in the number of parts and an increase in the size of the apparatus, the heating efficiency is improved, and the baking color between the upper surface of the bread and the other surface is improved. The object is to provide an automatic bread maker that can reduce the difference.

In order to solve the above-described conventional problems, according to the present invention, a bottomed cylindrical heater case that is provided inside the apparatus main body and forms a heating chamber;
A kneading container housed in the heating chamber and containing cooking ingredients;
A heater provided around the kneading container;
A lid capable of opening and closing the upper opening of the heater case;
An automatic bread machine comprising:
The lid has an inner lid facing the heating chamber;
The inner lid is provided with an automatic bread maker, which is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the heat of the heater.

  According to the automatic bread maker according to the present invention, an increase in the number of parts and an increase in the size of the apparatus can be suppressed, and heating efficiency can be improved to reduce the difference in baking color between the upper surface of the bread and the other surface. it can.

It is sectional drawing of the automatic bread maker concerning 1st Embodiment of this invention. 1 is a perspective view of an automatic bread maker according to a first embodiment of the present invention. It is sectional drawing of the automatic bread maker concerning 2nd Embodiment of this invention. It is sectional drawing of the automatic bread maker concerning 3rd Embodiment of this invention. It is sectional drawing of the conventional automatic bread maker. It is a perspective view of the conventional automatic bread maker.

According to the first aspect of the present invention, a bottomed cylindrical heater case that is provided inside the apparatus main body and forms a heating chamber;
A kneading container housed in the heating chamber and containing cooking ingredients;
A heater provided around the kneading container;
A lid capable of opening and closing the upper opening of the heater case;
An automatic bread machine comprising:
The lid has an inner lid facing the heating chamber;
The inner lid is provided with an automatic bread maker, which is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the heat of the heater.

  According to a second aspect of the present invention, the inner lid is formed in a shape that reflects the heat of the heater toward the upper surface of the cooking material accommodated in the kneading container. Provide an automatic bread machine.

According to a third aspect of the present invention, the heater emits infrared rays,
The inner lid is provided with the automatic bread maker according to the first or second aspect, which is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the infrared rays.

According to a fourth aspect of the present invention, the heater emits radiation,
The inner lid provides the automatic bread maker according to the first or second aspect, wherein the inner lid is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the radiation.

According to a fifth aspect of the present invention, there is provided a secondary material container for storing a secondary material, which is attached to the lid so as to penetrate a part of the inner lid, and the secondary material is charged into the kneading container. A secondary material container in which at least a part of the bottom wall is configured to be openable and closable,
A container lid for opening and closing the upper opening of the sub-material container;
Further comprising
The container lid is made of a metal material whose surface facing the bottom wall is mirror-finished so as to reflect the heat of the heater, and is made automatically according to any one of the first to fourth aspects. Provide bread machine.

  According to the sixth aspect of the present invention, in any one of the first to fifth aspects, at least a part of the heater case is formed in a shape that reflects the heat of the heater toward the inner lid. An automatic bread machine as described is provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by the following embodiment.

(First embodiment)
The configuration of the automatic bread maker according to the first embodiment of the present invention will be described. FIG. 1 is a cross-sectional view of an automatic bread maker according to a first embodiment of the present invention, and FIG. 2 is a perspective view thereof.

  1 and 2, the automatic bread maker according to the first embodiment includes a bottomed cylindrical device body 1. A heater case 30 that forms a heating chamber 1a is provided inside the apparatus body 1. A chassis 2 is attached to the lower part of the device body 1. A motor 3 that is an example of a drive unit and a bottomed cylindrical container support 4 are attached to the chassis 2.

  The motor 3 applies a rotational force to the lower connector 6 that is rotatably supported by the container support 4 via a transmission mechanism 5 including a pulley and a belt. The lower connector 6 is configured to be able to engage with an upper connector 8 that is rotatably supported at the bottom of the kneading container 7.

  The kneading container 7 is a container that is accommodated in the heating chamber 2a and that contains cooking materials such as bread dough, cake, and rice cake. A cylindrical kneading container base 7 a is provided on the bottom outer surface of the kneading container 7. The kneading container base 7a is configured to be bayonet-coupled to the container support base 4. When the kneading container base 7a and the container support base 4 are bayonet-coupled, the lower connector 6 and the upper connector 8 are engaged, and the kneading container 7 is supported in the heating chamber 1a. On the other hand, when the bayonet coupling between the kneading container base 7a and the container support base 4 is removed, the connector lower 6 and the connector upper 8 are disengaged, and the kneading container 7 can be removed from the heating chamber 1a.

  The connector upper 8 is attached so as to protrude upward from the bottom wall of the kneading vessel 7. A kneading blade 9 for kneading the cooking material accommodated in the kneading container 7 is detachably attached to the tip of the connector upper 8. The kneading blade 9 is driven to rotate when the rotational force of the motor 3 is transmitted to the transmission mechanism 5 and the lower connector 6 and the upper connector 8 rotate.

  A heater 10 is provided around the kneading container 7. The heater 10 is arranged to surround the kneading container 7 attached on the container support 4 with a predetermined gap. As the heater 10, for example, a sheathed heater can be used. The center of the heat generating portion of the heater 10 is fixed to the side surface 30a of the heater case 30 via a ceramic insulator (not shown).

  Moreover, the temperature sensor 11 which detects the temperature in the heating chamber 1a is provided in the heating chamber 1a. The temperature sensor 11 is disposed at a position slightly away from the heater 10 so that the average temperature in the heating chamber 1a can be detected.

  A hinge portion 1b is provided on the upper rear side of the device body 1 (upper right side in FIG. 1). The lid 12 capable of opening and closing the upper opening 30b of the heater case 30 is rotatably attached to the hinge 1b. The lid 12 includes an inner lid 13, a lid body 14, and an outer lid 15.

  The inner lid 13 is provided so as to face the heating chamber 1a. The inner lid 13 is made of a metal material (for example, aluminum, stainless steel, or the like) whose mirror surface is applied to the surface facing the heating chamber 1a so as to reflect the heat of the heater 10. For example, when the heater 10 is a heater that emits infrared rays, the inner lid 13 is made of a metal material that reflects the infrared rays. When the heater 10 is a heater that emits radiation, the inner lid 13 is made of a metal material that reflects the radiation. The inner lid 13 is formed in a shape that reflects the heat of the heater 10 toward the upper surface of the cooking material accommodated in the kneading container 7.

  The lid body 14 includes an auxiliary material container 16 for storing auxiliary materials with a relatively large volume such as raisins and nuts, and an auxiliary material container 17 for storing auxiliary materials with a relatively small volume such as yeast and spices. It is attached so as to penetrate a part of the lid 13. The auxiliary material containers 16 and 17 are disposed above the kneading container 7.

The outer lid 15 includes an upper opening 16 a of the secondary material container 16 and an upper opening 17 of the secondary material container 17.
It is attached so that a can be opened and closed. At a position corresponding to the secondary material container 16 of the outer lid 15, a secondary material container lid 15 a made of a heat insulating member such as resin is attached. A packing 15b is attached to the outer peripheral portion of the auxiliary material container lid 15a.

  The auxiliary material container 16 is configured to be detachable and includes a concave knob portion 16b for easy attachment / detachment. The bottom wall of the secondary material container 16 is an opening / closing plate 16c that is rotatably attached to the inner lid 13 so that the secondary material accommodated in the secondary material container 16 can be put into the kneading container 7. It is configured. The opening / closing plate 16 c is biased by a spring (not shown) so as to close the lower opening of the sub-material container 16. Further, the surface of the opening / closing plate 16c facing the heating chamber 1a is made of a metal material (for example, aluminum or stainless steel) that has been subjected to a mirror surface treatment so as to reflect the heat of the heater 10, similarly to the inner lid 13. Yes.

  In addition, a solenoid 18 and an operation unit 19 including various electronic components are provided at the front upper part of the device main body 1 (upper left side in FIG. 1). The plunger 18 a of the solenoid 18 passes through the side wall 19 c of the operation unit 19 and the side wall 14 a of the lid body 14 and is provided so as to be movable into the lid body 14. When the plunger 18a of the solenoid 18 moves into the lid body 14, the opening / closing plate 16c is pushed by the link member 18b that contacts the plunger 18a and rotates against the elastic force of the spring. Thereby, the auxiliary material in the auxiliary material container 16 is thrown into the kneading container 7. The secondary material container 17 is also configured such that the secondary material in the secondary material container 17 is charged into the kneading container 7 by the same mechanism as the secondary material container 16.

  The operation unit 19 includes a selection unit 19a that can select a specific cooking course from a plurality of cooking courses, and a display unit 19b that displays various types of information such as information selected by the selection unit 19a. The selection unit 19 is configured to be able to start or stop various operations, set a timer, and the like.

  Further, the device main body 1 includes a handle 21 for facilitating carrying of the automatic bread maker, a power cord 23 provided with an insertion plug 22 at the tip, and a control unit 24 for controlling driving of each unit. Is provided. The control unit 24 stores cooking sequences corresponding to a plurality of cooking courses. The cooking sequence refers to the energizing time of the heater 10, the temperature control temperature, the rotational speed of the kneading blade 9, the drive timing of the solenoid 18 and the like in each cooking process in order to perform each cooking process such as kneading, kneading, fermentation, and baking. A predetermined cooking procedure program. The control unit 24 controls driving of the motor 3, the heater 7, the solenoid 18, and the like based on the cooking sequence corresponding to the specific cooking course selected by the selection unit 19 and the temperature detected by the temperature sensor 11.

  According to the automatic bread maker according to the first embodiment, since the inner lid 13 is made of a metal material that has been subjected to mirror finishing, the heat of the heater 10 is efficiently applied to the upper surface of the cooking material in the kneading container 7. Can be supplied. Moreover, since the inner lid 13 is formed in a shape that reflects the heat of the heater 10 toward the upper surface of the cooking material accommodated in the kneading container 7, the upper surface of the cooking material in the kneading container 7 is heated by the heat of the heater 10. Can be supplied more efficiently. In addition, by forming the inner lid 13 with a metal material that reflects heat rays such as infrared rays and radiation, heat rays such as infrared rays and radiation generated from the heater 10 that has not been sufficiently utilized in conventional automatic bread machines are kneaded. The upper surface of the cooking material in the container 7 can be supplied. Thereby, heating efficiency can be improved and the difference in the baked color between the upper surface of the baked bread and the other surface can be further reduced. In addition, according to the automatic bread maker according to the first embodiment, heat can be efficiently supplied to the entire cooking material, so that the cooking time can be shortened.

  Further, according to the automatic bread maker according to the first embodiment, since it is not necessary to provide a heater or the like different from the heater 10, an increase in the number of parts and an increase in the size of the apparatus can be suppressed.

  Further, according to the automatic bread maker according to the first embodiment, since the surface of the opening / closing plate 16c facing the heating chamber 1a is also made of a metal material that has been subjected to a mirror surface treatment, Can be more efficiently supplied to the upper surface of the cooking material in the kneading container 7. Needless to say, the auxiliary material container 17 is preferably configured in the same manner as the opening / closing plate 16c.

  The inner lid 13 only needs to be made of a metal material whose surface facing the heating chamber 1a is mirror-finished, and the entire inner lid 13 need not be made of the metal material. For example, a metal material that has been separately subjected to a mirror finish may be provided on the surface of the conventional inner lid facing the heating chamber. In this case, the number of parts corresponding to the amount of the metal material is increased, but an increase in the number of parts can be suppressed as compared with a conventional configuration that requires a heater and a mounting part for the heater.

  Moreover, as a metal material of the inner lid 13, it is preferable to use a material having low heat conductivity and high heat retention such as stainless steel. As a result, the heating efficiency can be further improved. In addition, when stainless steel is used as the metal material of the inner lid 13, there is an advantage that it is excellent in strength and corrosion resistance.

  In addition, a heat insulating material is preferably provided on the surface of the inner lid 13 facing the lid body 14. Thereby, it can suppress that the heat | fever of the inner cover 13 is discharge | released to the lid main body 14 side, can improve heat retention, and, as a result, the cooking material in the kneading container 7 from the inner cover 13 can be improved. The amount of heat supplied to the upper surface can be increased.

  Moreover, you may make it coat | cover the metal material in which the mirror surface process of the inner cover 13 was performed with the photocatalyst material with a high antifouling function. Thereby, it can suppress that a specular reflection effect falls by fats and oils adhering to the inner cover 13. FIG.

(Second Embodiment)
FIG. 3 is a cross-sectional view of an automatic bread maker according to a second embodiment of the present invention. The automatic bread maker according to the second embodiment is different from the automatic bread maker according to the first embodiment in that a container lid 16d is provided in the upper opening 16a of the auxiliary material container 16, and the container lid 16d The surface facing the opening / closing plate 16c is made of a metal material subjected to a mirror finish.

  According to the automatic bread maker according to the second embodiment, even when the opening / closing plate 16c is opened, the heat of the heater 10 can be reflected by the surface of the container lid 16d facing the opening / closing plate 16c. Thereby, the heat of the heater 10 can be more efficiently supplied to the upper surface of the cooking material in the kneading container 7. This structure is particularly useful for an automatic bread maker that does not have a mechanism for returning the opened opening / closing plate 16c to the closed position. Needless to say, it is preferable that the sub-material container 17 has a similar structure.

(Third embodiment)
FIG. 4 is a cross-sectional view of an automatic bread maker according to a third embodiment of the present invention. The automatic bread maker according to the third embodiment is different from the automatic bread maker according to the first embodiment in that the bottom wall 30c of the heater case 30 reflects the heat of the heater 10 toward the inner lid 13. It is the point formed in. In

  According to the automatic bread maker according to the third embodiment, the heat of the heater 10 can be collected on the inner lid 13 by the bottom wall 30c of the heater case 30, so that it is supplied to the upper surface of the cooking material in the kneading container 7. The amount of heat generated can be increased. Thereby, heating efficiency can be improved.

  In the third embodiment, the bottom wall 30c of the heater case 30 is formed in a shape that reflects the heat of the heater 10 toward the inner lid 13, but the present invention is not limited to this. What is necessary is just to form the heater case 30 in a shape that reflects the heat of the heater 10 with the part facing the inner lid 13.

  It is to be noted that, by appropriately combining any of the various embodiments, the effects possessed by them can be produced.

  The automatic bread maker according to the present invention can suppress the increase in the number of parts and the size of the apparatus, improve the heating efficiency, and reduce the difference in baking color between the upper surface of the bread and the other surface. It is useful not only for home use but also for various automatic bread machines.

DESCRIPTION OF SYMBOLS 1 Apparatus main body 1a Heating chamber 1b Hinge part 2 Chassis 3 Motor 4 Container support stand 5 Transmission mechanism 6 Under connector 7 Kneading container 7a Kneading container stand 8 On connector 9 Kneading blade 10 Heater 11 Temperature sensor 12 Lid 13 Inner lid 14 Lid main body 14a Side wall 15 Outer lid 16, 17 Secondary material container 16a Upper opening 16b Knob 16c Opening / closing plate 16d Container lid 18 Solenoid 18a Plunger 18b Link member 19 Operation part 19a Selection part 19b Display part 19c Side wall 30 Heater case 30a Side face 30b Upper opening part 30c Bottom

Claims (6)

A bottomed cylindrical heater case that is provided inside the device body and forms a heating chamber;
A kneading container housed in the heating chamber and containing cooking ingredients;
A heater provided around the kneading container;
A lid capable of opening and closing the upper opening of the heater case;
An automatic bread machine comprising:
The lid has an inner lid facing the heating chamber;
The inner lid is an automatic bread maker that is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the heat of the heater.   2. The automatic bread maker according to claim 1, wherein the inner lid is formed in a shape that reflects heat of the heater toward an upper surface of a cooking material accommodated in the kneading container. The heater emits infrared rays;
3. The automatic bread maker according to claim 1, wherein the inner lid is made of a metal material in which a surface facing the heating chamber is subjected to a mirror finish so as to reflect the infrared light. The heater emits radiation;
The automatic bread maker according to claim 1 or 2, wherein the inner lid is made of a metal material having a mirror-finished surface facing the heating chamber so as to reflect the radiation. A secondary material container for containing a secondary material, wherein the secondary material container is attached to the lid so as to penetrate a part of the inner lid, and at least a part of the bottom wall is placed so that the secondary material is introduced into the kneading container. A secondary material container configured to be openable and closable;
A container lid for opening and closing the upper opening of the sub-material container;
Further comprising
The said container lid is comprised by the metal material which performed the mirror surface process on the surface facing the said bottom wall so that the heat of the said heater may be reflected, The automatic manufacture as described in any one of Claims 1-4 Bread machine.   The automatic bread maker according to any one of claims 1 to 5, wherein at least a part of the heater case is formed in a shape that reflects heat of the heater toward the inner lid.

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