WO2012097672A1 - 一种热风加热面包机 - Google Patents

一种热风加热面包机 Download PDF

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Publication number
WO2012097672A1
WO2012097672A1 PCT/CN2011/085104 CN2011085104W WO2012097672A1 WO 2012097672 A1 WO2012097672 A1 WO 2012097672A1 CN 2011085104 W CN2011085104 W CN 2011085104W WO 2012097672 A1 WO2012097672 A1 WO 2012097672A1
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heating
chamber
hot air
bread
heating chamber
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PCT/CN2011/085104
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English (en)
French (fr)
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郭建刚
谢春芳
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广东新宝电器股份有限公司
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Publication of WO2012097672A1 publication Critical patent/WO2012097672A1/zh

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    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B7/00—Baking plants
    • A21B7/005—Baking plants in combination with mixing or kneading devices

Definitions

  • the invention relates to a hot air heating bread machine, in particular to a full-automatic bread machine with hot air heating function using a hidden heating element, belonging to the transformation technology of the bread machine.
  • the bread machine is widely used in countries and regions where pasta is mainly used in foreign countries. Generally, the bread machine can achieve the whole process of breading, fermentation, baking and heat preservation, and complete the bread making process, as shown in Figure 1 and Figure 2. Including transmission system 1.1, housing 1.2, motor 1.3, baking room 1.4, heating tube 1.5, power board 1.6, bread barrel 1.7, controller 1.8, upper cover 1.9 and so on.
  • the stirring surface is realized by the controller controlling the motor 1.3 transmission, and the heating tube 1.5 is controlled to heat and bake the bread in the bread barrel 1.7.
  • the heating tube 1.5 is placed in the oven 1.4, and the heat of the heating tube is directly radiated onto the bread barrel to achieve the purpose of roasting the bread.
  • the shortcoming of the structure is affected by the cold end of the heating tube and the installation position of the heating tube, and the total bread The skin is thicker and the surface is not very uniform.
  • the heat generating portion is a heat generating component formed by a winding surface of a heating wire, which does not have an anti-dry function. Once the fan motor fails, the heating wire will burn out quickly.
  • An object of the present invention is to provide a hot air heating bread machine which adopts a concealed heat pipe and a hot air heating method, which not only improves the safety of use of the bread machine but also achieves a better bread baking effect, in consideration of the above problems.
  • the hot air-heated bread machine of the present invention has a thin skin and a uniform surface. It is a convenient and practical hot air heating bread machine.
  • the hot air heating bread machine of the present invention comprises a casing, a baking chamber, a heating pipe, a bread barrel, a controller, and an upper cover.
  • the baking chamber is disposed in the hollow cavity of the outer casing
  • the bread bucket is disposed in the baking chamber
  • the top of the bread bucket is provided with the upper cover
  • the controller is electrically connected with the heating pipe
  • the heating chamber is provided on the outer side of the baking chamber
  • the heating tube is disposed in the heating chamber, and a centrifugal driving fan is disposed beside the heating tube, and the centrifugal driving fan is mounted on the output shaft of the driving motor
  • the controller is electrically connected with the driving motor, the baking chamber and the heating chamber
  • the side wall of the connection is provided with a heating chamber air inlet hole and a heating chamber air outlet hole communicating with each other.
  • the above-mentioned heating chamber has a multilayer structure including at least two layers of materials except for the side wall connected to the baking chamber.
  • the heating chamber is a double metal layer including an inner layer and an outer layer, and the outer surface of the outer layer is covered with a heat insulating layer made of a heat insulating material.
  • the outer layer is provided with a temperature fuse for fixing an insulating sleeve with a fuse holder.
  • the outer layer is provided with at least two temperature fuses sealed with an insulating sleeve by a fuse fixing piece.
  • the heat pipe is a metal tubular heat generating body having a dry burning capability.
  • the heat pipe is surrounded by a centrifugal drive fan.
  • the back of the heating chamber is provided with a dry-fired temperature fuse; the centrifugal fan drive motor has an own cooling fan on the output shaft.
  • the heating chamber air inlet holes provided in the side walls of the baking chamber connected to the heating chamber are disposed at positions corresponding to the geometric center of the centrifugal driving fan.
  • the air outlet direction of the air outlet opening of the heating chamber provided on the side wall of the baking chamber connected to the heating chamber and the baking chamber have an air blowing angle between the baking chamber and the direct blowing of the hot air to the bread barrel.
  • the invention adopts a heating chamber on the outer side of the baking chamber, the heat generating tube is disposed in the heating chamber, and a centrifugal driving fan is mounted on the side of the heating tube, and the centrifugal driving fan is mounted on the output shaft of the driving motor.
  • the heat pipe of the present invention is fixed in the heat generating room, and the user cannot see the heat pipe in the baking chamber of the bread machine, thereby ensuring that the user does not touch the heat generating body during the operation of the bread bucket, thereby improving the safety.
  • the invention adopts a hidden heating tube and a hot air heating method, which not only improves the safety of the bread machine, but also achieves a better bread baking effect.
  • the hot air-heated bread machine of the present invention has a thin skin and a uniform surface. It is a convenient and practical hot air heating bread machine.
  • the invention is a hot air heating breadmaker with ingenious design, excellent performance and convenient and practical use.
  • FIG. 1 is a schematic structural view of a conventional ordinary bread machine
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a schematic view showing the bread bucket of the present invention disposed in a baking chamber
  • Figure 4 is a schematic view showing the structure of the inlet and outlet air of the baking chamber of the present invention.
  • Figure 5 is a schematic view showing the assembly between the baking chamber and the heating chamber of the present invention.
  • Figure 6 is an assembled view of the heating chamber of the present invention.
  • Figure 7 is a bottom view of Figure 6;
  • Figure 8 is a schematic view showing the installation of a hot air room temperature test fuse according to the present invention.
  • Fig. 9 is a cross-sectional view taken along line B-B of Fig. 8;
  • the hot air heating bread machine of the present invention comprises a casing 1.2, a baking chamber 1.4, a heating pipe 1.5, a bread barrel 1.7, a controller 1.8, and a top cover 1.9.
  • the baking chamber 1.4 is disposed in the hollow cavity provided in the outer casing 1.2, the bread barrel 1.7 is disposed in the baking chamber 1.4, the top of the bread barrel 1.7 is provided with the upper cover 1.9, and the controller 1.8 is electrically connected to the heating tube 1.5, wherein
  • the heating chamber 2.3 is disposed outside the baking chamber 1.4, the heating tube 1.5 is disposed in the heating chamber 2.3, and the centrifugal driving fan 2.4 is mounted on the side of the heating tube 1.5, and the centrifugal driving fan 2.4 is mounted on the driving motor 2.6.
  • the controller 1.8 is electrically connected to the driving motor 2.6, and the heating chamber air inlet hole 2.1 and the heating chamber air outlet hole 2.2 are communicated with each other on the side wall of the baking chamber 1.4 connected to the heating chamber 2.3.
  • the present invention also includes a transmission system 1.1, a motor 1.3, a power supply board 1.6, and the like.
  • the motor 1.3 is controlled by the controller (1.8) to drive the transmission system 1.1 to realize the stirring surface.
  • the power supply board 1.6 supplies power to the heating pipe 1.5, the drive motor 2.6, the motor 1.3, and the like.
  • the above-described heating chamber 2.3 is a multi-layer structure including at least two layers of materials except for the side wall connected to the baking chamber 1.4.
  • the heating chamber 2.3 is a two-layer metal layer including an inner layer 2.5 and an outer layer 2.8, and the outer surface of the outer layer 2.8 is covered with a heat insulating layer 2.9 made of a heat insulating material.
  • the space layer formed by the inner layer 2.5 and the outer layer 2.8 is initially insulated.
  • the insulating layer 2.9 made of a heat insulating material again reduces the temperature of the heat generating outdoor layer to reduce the influence on the ambient temperature of the control portion.
  • the outer layer 2.8 is provided with a thermal fuse 2.11 with a fuse holder 2.10 fixed with an insulating sleeve 2.12.
  • the outer layer 2.8 is provided with a thermal fuse 2.11 with at least two sets of insulating sleeves 2.12 fixed by a fuse fixing piece 2.10.
  • the heat generating tube 1.5 is a metal tubular heating element having a dry burning capability.
  • the heat pipe 1.5 surrounds the centrifugal drive fan 2.4.
  • the back of the heating chamber 2.3 is provided with a dry-fired temperature fuse; the output shaft of the centrifugal fan drive motor is also provided with a self-cooling fan.
  • the heating chamber air inlet holes 2.1 provided on the side walls of the baking chamber 1.4 connected to the heating chamber 2.3 are provided at positions corresponding to the geometric center of the centrifugal driving fan 2.4.
  • the hot air is directly blown to the bread.
  • the air outlet direction of the heating chamber outlet hole 2.2 is blown into the baking chamber 1.4 at a certain angle to prevent the hot air from being directly blown to the position of the bread barrel 1.7.
  • the working principle of the invention is as follows: the pre-process of the bread making of the invention, such as stirring and fermentation, is the same as the ordinary automatic bread machine, but the heating process is different from that of the ordinary automatic bread machine, and the specific heating process is as follows: the controller 1.8 sends out The signal, the heating tube 1.5 of the heating system starts to work, and the controller 1.8 also synchronously sends a working signal to the hot air driving motor 2.6, driving the centrifugal hot air driving fan 2.4 to rotate at a high speed, and generating a negative pressure belt at its center position.
  • the heating chamber air inlet hole 2.1 is advantageous in this position, under the action of the negative air pressure, the air in the baking chamber 1.4 flows into the heating chamber 2.3 through the heating chamber air inlet hole 2.1.
  • the guiding structure of the hole 2.2 blows hot air between the bread barrel 1.7 in the baking chamber 1.4 and the side wall of the baking chamber 1.4, around the bread barrel 1.7, the heat of the hot air is absorbed by the bread barrel 1.7, and the bread is heated. After that, it reaches the negative pressure zone of the centrifugal hot air driven fan 2.4, that is, the heating chamber air inlet hole 2.1, and enters the heating chamber 2.3 again through the heating chamber air inlet hole 2.1. At the same time, the fan motor simultaneously drives the cooling fan 2.7 to cool the motor itself.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)

Description

一种热风加热面包机 技术领域
本发明是一种热风加热面包机，特别是一种采用隐藏发热元件的具有热风加热功能的全自动面包机,属于面包机的改造技术。
背景技术
面包机在国外以面食为主的国家和地区已普遍进入家庭，一般面包机可以实现搅面、发酵、烘烤、保温，完成面包制作的全过程，如图1、2所示，其结构主要包括传动系统1.1、外壳1.2、电机1.3、烘烤室1.4、发热管1.5、电源板1.6、面包桶1.7、控制器1.8、上盖1.9等。通过控制器控制电机1.3传动实现搅面，控制发热管1.5加热,烘烤面包桶1.7内的面包。其中发热管1.5是放置在烤箱1.4内，发热管的热量直接辐射到面包桶上，达到烤熟面包的目的，该结构存在的缺点是受发热管冷端及发热管安装位置的影响，面包总是烤得表皮较厚，表面上色不是很均匀。
中国专利申请号为200720175963.0中公开了另外一种隐藏发热管式面包机，其发热管是隐藏在烘烤室的底部，并且只是用简单的单层金属隔板遮挡住发热管。其发热部份在底部，同样受发热体位置影响，面包表皮烤色不均匀。
中国专利申请号为200820125449.0中公开了另外一种可隐藏加热元件的面包机，其隐藏加热元件的方案只是将发热元件安装在烘烤室的侧面的内凹的槽内，发热元件还是环绕在烘烤室的底部，同样受发热体位置影响，面包表皮烤色不均匀。
中国专利申请号为97245821.2中公开了另外一种热风循环加热式面包机，其发热部份为一种由发热丝缠绕面成的发热组件，其不具备防干烧功能。风扇电机一旦失效，发热丝会很快烧断。
中国专利申请号为200520119612.9中公开了另外一种热风加热的面包机。其发热室内的风扇和发热管的布置为并列式，即发热管在风扇的一侧。
 技术问题
本发明的目的在于考虑上述问题而提供一种采用隐藏式发热管和热风加热方式，不仅提高面包机的使用安全性，而且可达到更好的面包烘烤效果的热风加热面包机。本发明的热风加热面包机烤制的面包表皮薄，表面上色均匀。是一种方便实用的热风加热面包机。
技术解决方案
本发明的技术方案是：本发明的热风加热面包机，包括有外壳、烘烤室、发热管、面包桶、控制器、上盖, 其中烘烤室设置在外壳所设的中空腔体内，面包桶设置在烘烤室内，面包桶的顶部装设有上盖，控制器与发热管电连接，其中烘烤室的外侧设有加热室，发热管安置在加热室内，且发热管的旁侧装设有离心式驱动风扇，离心式驱动风扇装设在驱动电机的输出轴上，控制器与驱动电机电连接，烘烤室与加热室连接的侧壁上设有彼此相通的加热室进风孔及加热室出风孔。
上述加热室除与烘烤室连接的侧壁外，其它侧壁为包括至少2层材料的多层结构。
上述加热室为包括有内层和外层的双层金属层，且外层的外表面包裹一层由保温材料制成的隔热层。
上述外层上设有用熔断器固定片固定有用绝缘套管套好的温度熔断器。
上述外层上设有用熔断器固定片固定有至少2个用绝缘套管套好的温度熔断器。
上述发热管为具有干烧能力的金属管状发热体。
上述发热管环绕在离心式驱动风扇的周围。
上述加热室的背部装有干烧保护的温度保险丝；上述离心风扇驱动电机的输出轴上还装有一个自身散热风扇。
上述烘烤室与加热室连接的侧壁上设有的彼此相通的加热室进风孔设在与离心式驱动风扇的几何中心对应的位置处。
上述烘烤室与加热室连接的侧壁上设有的彼此相通的加热室出风孔的出风方向与烘烤室之间具有避免热风直接吹到面包桶上的出风角度。
 有益效果
本发明由于采用在烘烤室的外侧设有加热室，发热管安置在加热室内，且发热管的旁侧装设有离心式驱动风扇，离心式驱动风扇装设在驱动电机的输出轴上的结构，本发明发热管固定在发热室内，在面包机的烘烤室内用户无法看到发热管，确保用户在操作面包桶的过程中不会触碰到发热体，提高其安全性。本发明采用隐藏式发热管和热风加热方式，不仅提高面包机的使用安全性，而且可达到更好的面包烘烤效果。本发明的热风加热面包机烤制的面包表皮薄，表面上色均匀。是一种方便实用的热风加热面包机。本发明是一种设计巧妙，性能优良，方便实用的热风加热面包机。
附图说明
图1为现有普通面包机的结构示意图；
图2为图1的俯视图；
图3为本发明面包桶设置在烘烤室内的示意图；
图4为本发明烘烤室的进出风结构示意图；
图5为本发明的烘烤室与加热室之间的装配示意图；
图6为本发明发热室的装配图；
图7为图6的仰视图；
图8为本发明热风室温试熔断器的安装示意图；
图9为图8的B-B剖视图。
 本发明的最佳实施方式
实施例：
本发明的结构示意图如图3、4、5、6所示，本发明的热风加热面包机，包括有外壳1.2、烘烤室1.4、发热管1.5、面包桶1.7、控制器1.8、上盖1.9, 其中烘烤室1.4设置在外壳1.2所设的中空腔体内，面包桶1.7设置在烘烤室1.4内，面包桶1.7的顶部装设有上盖1.9，控制器1.8与发热管1.5电连接，其中烘烤室1.4的外侧设有加热室2.3，发热管1.5安置在加热室2.3内，且发热管1.5的旁侧装设有离心式驱动风扇2.4，离心式驱动风扇2.4装设在驱动电机2.6的输出轴上，控制器1.8与驱动电机2.6电连接，烘烤室1.4与加热室2.3连接的侧壁上设有彼此相通的加热室进风孔2.1及加热室出风孔2.2。此外，本发明也包括传动系统1.1、电机1.3、电源板1.6等。通过控制器（1.8）控制电机1.3带动传动系统1.1运动，实现搅面。通过电源板1.6给发热管1.5、驱动电机2.6、电机1.3等供电。
考虑到加热室2.3较小的空间内温度上升较快，会导致加热室2.3的外壁温度过高。上述加热室2.3除与烘烤室1.4连接的侧壁外，其它侧壁为包括至少2层材料的多层结构。本实施例中，上述加热室2.3为包括有内层2.5和外层2.8的双层金属层，且外层2.8的外表面包裹一层由保温材料制成的隔热层2.9。内层2.5和外层2.8形成的空间层初步隔热。再由保温材料制成的隔热层2.9再次降低发热室外层的温度，以减小对控制部份的环境温度的影响。
为确保使用的安全性，上述外层2.8上设有用熔断器固定片2.10固定有用绝缘套管2.12套好的温度熔断器2.11。本实施例中，上述外层2.8上设有用熔断器固定片2.10固定有至少2个用绝缘套管2.12套好的温度熔断器2.11。以防止风扇电机失效后，加热室2.3温度快速升高而引起的安全事故。这种温度熔断器靠近发热管的安装结构，其安全保护作用的反应更为迅速。
本实施例中，上述发热管1.5为具有干烧能力的金属管状发热体。
为进一步提高发热管表面与空气的热交换率，上述发热管1.5环绕在离心式驱动风扇2.4的周围。
此外，为确保使用的安全性，上述加热室2.3的背部装有干烧保护的温度保险丝；上述离心风扇驱动电机的输出轴上还装有一个自身散热风扇。
本实施例中，上述烘烤室1.4与加热室2.3连接的侧壁上设有的彼此相通的加热室进风孔2.1设在与离心式驱动风扇2.4的几何中心对应的位置处。
本实施例中，上述烘烤室1.4与加热室2.3连接的侧壁上设有的彼此相通的加热室出风孔2.2的出风方向与烘烤室1.4之间设有避免热风直接吹到面包桶1.7上的出风角度。加热室出风孔2.2的出风方向按一定的角度吹入烘烤室1.4、避免热风直接吹到面包桶1.7的位置上。
本发明的工作原理如下：本发明的面包制作的前期过程，如搅面、发酵，与普通自动面包机一样，但其加热过程与普通自动面包机不一样，具体加热过程如下：控制器1.8发出信号，发热系统的发热管1.5开始工作，控制器1.8也同步向热风驱动电机2.6发出工作信号，驱动离心式热风驱动风扇2.4高速旋转，在其中心位置产生负压带。加热室进风孔2.1正好处在此位置上，在负气压的作用下，烘烤室1.4内的空气经过加热室进风孔2.1流入发热室2.3。并沿风扇的离心方向流向环绕在风扇周围的发热管1.5，带走已同步由控制器启动工作的发热管加热的管身周围的热空气，流向加热室出风孔2.2，经加热室出风孔2.2的导向结构将热风吹向烘烤室1.4内面包桶1.7与烘烤室1.4的侧壁之间，环绕面包桶1.7，热空气热量被面包桶1.7吸收，面包被加热。之后到达离心式热风驱动风扇2.4的负压区，即加热室进风孔2.1，再次经加热室进风孔2.1进入发热室2.3。同时，风扇电机同时驱动散热风扇2.7给电机自身降温。

Claims (10)

  1. 一种热风加热面包机，包括有外壳（1.2）、烘烤室（1.4）、发热管（1.5）、面包桶（1.7）、控制器（1.8）、上盖（1.9）, 其中烘烤室（1.4）设置在外壳（1.2）所设的中空腔体内，面包桶（1.7）设置在烘烤室（1.4）内，面包桶（1.7）的顶部装设有上盖（1.9），控制器（1.8）与发热管（1.5）电连接，其特征在于烘烤室（1.4）的外侧设有加热室（2.3），发热管（1.5）安置在加热室（2.3）内，且发热管（1.5）的旁侧装设有离心式驱动风扇（2.4），离心式驱动风扇（2.4）装设在驱动电机（2.6）的输出轴上，控制器（1.8）与驱动电机（2.6）电连接，烘烤室（1.4）与加热室（2.3）连接的侧壁上设有彼此相通的加热室进风孔（2.1）及加热室出风孔（2.2）。
  2. 根据权利要求1所述的热风加热面包机，其特征在于上述加热室（2.3）除与烘烤室（1.4）连接的侧壁外，其它侧壁为包括至少2层材料的多层结构。
  3. 根据权利要求2所述的热风加热面包机，其特征在于上述加热室（2.3）为包括有内层（2.5）和外层（2.8）的双层金属层，且外层（2.8）的外表面包裹一层由保温材料制成的隔热层（2.9）。
  4. 根据权利要求3所述的热风加热面包机，其特征在于上述外层（2.8）上设有用熔断器固定片（2.10）固定有用绝缘套管（2.12）套好的温度熔断器（2.11）。
  5. 根据权利要求4所述的热风加热面包机，其特征在于上述外层（2.8）上设有用熔断器固定片（2.10）固定有至少2个用绝缘套管（2.12）套好的温度熔断器（2.11）。
  6. 根据权利要求1所述的热风加热面包机，其特征在于上述发热管（1.5）为具有干烧能力的金属管状发热体。
  7. 根据权利要求6所述的热风加热面包机，其特征在于上述发热管（1.5）环绕在离心式驱动风扇（2.4）的周围。
  8. 根据权利要求1至7任一项所述的热风加热面包机，其特征在于上述加热室（2.3）的背部装有干烧保护的温度保险丝；上述离心风扇驱动电机的输出轴上还装有一个自身散热风扇（2.7）。
  9. 根据权利要求8所述的热风加热面包机，其特征在于上述烘烤室（1.4）与加热室（2.3）连接的侧壁上设有的彼此相通的加热室进风孔（2.1）设在与离心式驱动风扇（2.4）的几何中心对应的位置处。
  10. 根据权利要求9所述的热风加热面包机，其特征在于上述烘烤室（1.4）与加热室（2.3）连接的侧壁上设有的彼此相通的加热室出风孔（2.2）的出风方向与烘烤室（1.4）之间具有避免热风直接吹到面包桶（1.7）上的出风角度。
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