CN101217836A - Rapid heating device based on microwave energy capture - Google Patents
Rapid heating device based on microwave energy capture Download PDFInfo
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Abstract
基于微波能量俘获的快速加热装置,涉及一种加热装置,尤其是涉及一种基于微波能量俘获的快速加热装置。提供一种可迅速将微波能均匀集中地俘获至加热物,利用微波陶瓷圆柱体的谐振,以提高微波的加热效率,减少加热时间,加热负载与微波源达最佳匹配,反射波趋于零,可延长磁控管的寿命,降低微波能的泄漏,减少电磁污染,主要用于微波炉的基于微波能量俘获的快速加热装置。设有支撑体和至少1块微波陶瓷圆柱体,微波陶瓷圆柱体嵌入支撑体内,微波陶瓷圆柱体的直径D为5~120mm,高度L为4~20mm,微波陶瓷的相对介电常数εr为5~150。
A rapid heating device based on microwave energy capture relates to a heating device, in particular to a rapid heating device based on microwave energy capture. Provide a method that can quickly and uniformly capture microwave energy to the heating object, use the resonance of the microwave ceramic cylinder to improve the heating efficiency of the microwave, reduce the heating time, and achieve the best match between the heating load and the microwave source, and the reflected wave tends to zero , can prolong the life of the magnetron, reduce the leakage of microwave energy, and reduce electromagnetic pollution. It is mainly used in the rapid heating device based on microwave energy capture of microwave ovens. A support body and at least one microwave ceramic cylinder are provided, and the microwave ceramic cylinder is embedded in the support body. The diameter D of the microwave ceramic cylinder is 5-120 mm, the height L is 4-20 mm, and the relative dielectric constant ε r of the microwave ceramic is 5~150.
Description
技术领域technical field
本发明涉及一种加热装置,尤其是涉及一种基于微波能量俘获的快速加热装置。The invention relates to a heating device, in particular to a rapid heating device based on microwave energy capture.
背景技术Background technique
近年来采用微波加热的应用越来越广,提高微波能量的转换效率,减少微波加热装置的电磁污染,将是一件很有意义的工作。In recent years, the application of microwave heating has become more and more widespread. It will be a very meaningful work to improve the conversion efficiency of microwave energy and reduce the electromagnetic pollution of microwave heating devices.
例如现有的微波炉加热容器,通常由玻璃、陶瓷及塑料等普通材料制成,在微波炉腔内主要起到承物的作用,微波能直接透过容器,在微波炉腔内部来回振荡,经过多次反射在微波炉腔内产生基模及各种高次模,整个炉腔不均匀地充满微波能量,并部份反射回磁控管及泄漏到微波炉的外部对环境产生电磁污染。For example, existing microwave oven heating containers are usually made of ordinary materials such as glass, ceramics, and plastics. They mainly play the role of bearing objects in the microwave oven cavity. Microwave energy directly passes through the container and oscillates back and forth inside the microwave oven cavity. The reflection produces the basic mode and various higher-order modes in the microwave cavity, and the entire cavity is unevenly filled with microwave energy, and part of it is reflected back to the magnetron and leaks to the outside of the microwave oven, causing electromagnetic pollution to the environment.
公开号为CN1410736的中国发明专利申请提供一种装备有加热室和传送设备的微波连续加热装置,该加热室在其前面和后面部分具有开口,在该传送设备上携带要加热的物体通过该加热室,并且微波电能照射在穿过该加热室要加热的物体上去加热其。二个微波吸收室被分别连接到该加热室的前面和后面部分,要加热的物体通过该二个微波吸收室。多个金属反射板在向前和向后方向彼此隔开由该传送设备传送。要加热的物体被放置在二个相邻的反射板之间。该反射板被放置在传送设备上,使得至少微波进入该加热室之内照射的期间,至少一个反射板被放置在每个微波吸收室中。The Chinese invention patent application with the publication number CN1410736 provides a microwave continuous heating device equipped with a heating chamber and a conveying device, the heating chamber has openings in its front and rear parts, and objects to be heated are carried on the conveying device through the heating chamber. chamber, and microwave electric energy is irradiated on the object to be heated passing through the heating chamber to heat it. Two microwave absorbing chambers through which objects to be heated pass are connected to the front and rear portions of the heating chamber, respectively. A plurality of metal reflective plates are conveyed by the conveying device spaced apart from each other in forward and backward directions. The object to be heated is placed between two adjacent reflectors. The reflecting plates are placed on the transfer device such that at least one reflecting plate is placed in each microwave absorbing chamber at least during the irradiation of microwaves into the heating chamber.
公开号为CN1416366的中国发明专利申请提供一种微波加热装置,包括微波发生器,用于将产生的微波导向供料器的波导管,和由闭合环形成的定义一个平面的偏转器,所述的偏转器具有固定的共振频率和在垂直于所述平面方向上的厚度,该偏转器可以绕至少基本上平行于所述平面的轴转动,该偏转器置于波导管中,以便与样品和波导供料器形成共振腔。共振器的共振条件和从波导管到腔的辐射的耦合因子容易通过偏转器的旋转而调节。共振条件和耦合因子可以响应样品介电性质而调节,以便优化吸收功率的量从而获得样品加热过程的控制。The Chinese invention patent application with the publication number CN1416366 provides a microwave heating device, including a microwave generator, a waveguide for guiding the generated microwaves to a feeder, and a deflector defining a plane formed by a closed loop, said The deflector has a fixed resonant frequency and a thickness perpendicular to the plane, the deflector can be rotated about an axis at least substantially parallel to the plane, the deflector is placed in the waveguide so as to communicate with the sample and The waveguide feeder forms a resonant cavity. The resonance conditions of the resonator and the coupling factor of the radiation from the waveguide to the cavity are easily tuned by rotation of the deflector. Resonance conditions and coupling factors can be tuned in response to sample dielectric properties in order to optimize the amount of absorbed power and thus gain control over the sample heating process.
公开号为CN87101881的中国发明专利申请提供一种借助于微波能加热的装置,该装置包括有至少两个微波发生器(1,2),每个发生器能给各自馈给波导(3,4)供波.馈给波导(3,4)是功率分配器,它将输入功率基本上相等地分配给至少两个加热感应器(7,8;9,10),加热感应器(7,8;9,10)相对于馈给波导成一角度延伸.在至少四个加热感应器(7,8;9,10)中的每一个加热感应器的一个侧表面上装有介质板(11,12,13,14).加热感应器的布置使得所有的介质板都处于同一平面上。The Chinese invention patent application whose publication number is CN87101881 provides a kind of device by means of microwave energy heating. ) for the wave. The feed waveguide (3, 4) is a power divider that distributes the input power substantially equally to at least two heating inductors (7, 8; 9, 10), the heating inductors (7, 8 ; 9, 10) extend at an angle relative to the feed waveguide. A dielectric plate (11, 12, 13, 14). The heating inductors are arranged so that all the dielectric plates are on the same plane.
公开号为CN1339674的中国发明专利申请提供一种微波炉均匀加热装置,包括:一产生微波的磁控管;一引导磁控管产生的微波的波导装置;一对以圆形极化波的形式辐射波导装置引导的微波的开口;以及一构成多面体而非矩形的腔,其中构成该多面体的一个以上的内壁相对于相邻内壁倾斜除直角以外的一预定角度(θ1)。采用这种结构,磁控管产生的微波在通过波导装置和开口被辐射时,通过腔的倾斜内壁被反射到腔内并传送给食物,从而保证微波在整个食物上均匀分布,并使食物得到均匀烹调。The Chinese invention patent application with the publication number CN1339674 provides a uniform heating device for a microwave oven, including: a magnetron for generating microwaves; a waveguide device for guiding the microwaves generated by the magnetron; a pair of circularly polarized waves radiating an opening for microwaves guided by the waveguide; and a cavity constituting a polyhedron rather than a rectangle, wherein more than one inner wall constituting the polyhedron is inclined at a predetermined angle (θ1) other than a right angle relative to adjacent inner walls. With this structure, when the microwave generated by the magnetron is radiated through the waveguide device and the opening, it is reflected into the cavity through the inclined inner wall of the cavity and transmitted to the food, thus ensuring that the microwave is evenly distributed on the whole food and makes the food get better Cook evenly.
申请号为02128724.4的发明专利申请提供一种微波炉加热容器,它包括由塑料制成的器体,其底部由电介质性能的塑料或陶瓷材料制成,器体的侧壁上制有一层金属层;器体的底部设置有一金属环;另器体配置有盖,盖上设置有出汽孔并配有安全阀;而在盖上设置有金属环,产生蒸煮的辅助加热效果。The invention patent application with application number 02128724.4 provides a microwave oven heating container, which includes a body made of plastic, the bottom of which is made of plastic or ceramic material with dielectric properties, and a metal layer is formed on the side wall of the body; There is a metal ring at the bottom of the body; the body is equipped with a cover, and the cover is provided with a steam outlet and a safety valve; and a metal ring is set on the cover to produce an auxiliary heating effect for cooking.
发明内容Contents of the invention
本发明的目的主要是针对现有的微波加热设备中微波能分布面较广等问题,提供一种可迅速将微波能均匀集中地俘获至加热物,利用微波陶瓷圆柱体的谐振,以提高微波的加热效率,减少加热时间,加热负载与微波源达最佳匹配,反射波趋于零,可延长磁控管的寿命,降低微波能的泄漏,减少电磁污染,主要用于微波炉的基于微波能量俘获的快速加热装置。The purpose of the present invention is mainly to solve the problem of wide distribution of microwave energy in the existing microwave heating equipment, and to provide a method that can quickly and uniformly capture the microwave energy to the heating object, and use the resonance of the microwave ceramic cylinder to increase the microwave energy. Excellent heating efficiency, reduced heating time, the best match between the heating load and the microwave source, the reflected wave tends to zero, which can prolong the life of the magnetron, reduce the leakage of microwave energy, and reduce electromagnetic pollution. It is mainly used in microwave ovens based on microwave energy. Captured rapid heating device.
本发明设有支撑体和至少1块微波陶瓷圆柱体,微波陶瓷圆柱体嵌入支撑体内,微波陶瓷圆柱体的直径D为5~120mm,高度L为4~20mm,微波陶瓷的相对介电常数εr为5~150。The invention is provided with a support body and at least one microwave ceramic cylinder, the microwave ceramic cylinder is embedded in the support body, the diameter D of the microwave ceramic cylinder is 5-120 mm, the height L is 4-20 mm, and the relative dielectric constant ε of the microwave ceramic is r is 5-150.
支撑体可设为塑料板、玻璃板、陶瓷板或其复合材料板等。支撑体可设为板形、盘形、锅形、盒形、筒形等支撑体。微波陶瓷圆柱体的尺寸大小可相同或不同。The supporting body can be set as a plastic plate, a glass plate, a ceramic plate or a composite material plate thereof, and the like. The support body can be set as a plate-shaped, disc-shaped, pot-shaped, box-shaped, cylindrical and other support bodies. The dimensions of the microwave ceramic cylinders can be the same or different.
本发明由于设有至少1块微波陶瓷圆柱体,利用微波陶瓷圆柱体的谐振,使微波能量被这些微波陶瓷圆柱体俘获,加热负载与微波源达到最佳匹配,反射波趋于零。因此在加快加热速度的同时避免了对磁控管的破坏,削弱了微波能的泄漏,减少电磁污染,可均匀集中地对加热物快速加热,提高了微波加热装置的加热效率。本发明可应用于各种微波加热装置在液状、粉状和块状的含水物体加热、烘干和杀菌等过程中,特别是应用于各种微波炉的食品解冻、加热和烹调等过程中。Since the present invention is provided with at least one microwave ceramic cylinder, the microwave energy is captured by the microwave ceramic cylinder by utilizing the resonance of the microwave ceramic cylinder, the heating load is optimally matched with the microwave source, and the reflected wave tends to zero. Therefore, the damage to the magnetron is avoided while the heating speed is accelerated, the leakage of microwave energy is weakened, electromagnetic pollution is reduced, the heating object can be heated evenly and intensively, and the heating efficiency of the microwave heating device is improved. The present invention can be applied to various microwave heating devices in the process of heating, drying and sterilizing liquid, powder and bulk water-containing objects, especially in the process of food thawing, heating and cooking in various microwave ovens.
附图说明Description of drawings
图1为本发明实施例1的结构示意图。Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
图2为图1的A-A剖面图。FIG. 2 is a cross-sectional view along line A-A of FIG. 1 .
图3为本发明实施例2的结构示意图。Fig. 3 is a schematic structural diagram of
图4为图3的A-A剖面图。FIG. 4 is a cross-sectional view along line A-A of FIG. 3 .
图5为本发明实施例3的结构示意图。Fig. 5 is a schematic structural diagram of
图6为图5的A-A剖面图。FIG. 6 is a cross-sectional view along line A-A of FIG. 5 .
图7为本发明实施例3的加热盘盖的结构示意图。Fig. 7 is a schematic structural view of the heating tray cover according to
图8为本发明实施例4的结构示意图。Fig. 8 is a schematic structural diagram of
图9为图8的A-A剖面图。FIG. 9 is a cross-sectional view along line A-A of FIG. 8 .
图10为图8的B-B剖面图。FIG. 10 is a B-B sectional view of FIG. 8 .
图11为本发明实施例5的结构示意图。Fig. 11 is a schematic structural diagram of
图12为图11的A-A剖面图。FIG. 12 is a cross-sectional view along line A-A of FIG. 11 .
图13为图11的B-B剖面图。FIG. 13 is a B-B sectional view of FIG. 11 .
具体实施方式Detailed ways
以下实施例将结合附图对本发明作进一步的说明。The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.
实施例1:柔性板形快速加热器Embodiment 1: Flexible plate-shaped fast heater
参见图1和2,本发明设有支撑体1、4排大微波陶瓷圆柱体2、3排小微波陶瓷圆柱体3和钩形槽4,支撑体1为长方形柔性塑料板,4排大微波陶瓷圆柱体2和3排小微波陶瓷圆柱体3嵌入支撑体1内,4排大微波陶瓷圆柱体2和3排小微波陶瓷圆柱体3相间排列,大微波陶瓷圆柱体2的直径为15mm,高度为9mm,微波陶瓷的相对介电常数εr为40,小微波陶瓷圆柱体3的直径为10mm,高度为9mm,微波陶瓷的相对介电常数εr为70。钩形槽4分别设于支撑体1两端,支撑体1采用柔性塑料材料。Referring to Fig. 1 and 2, the present invention is provided with
2种尺寸的微波陶瓷圆柱体2和3分别对基模和高次模进行俘获,采用2片本发明即可构成环状体,当微波炉用于蒸饭或煲汤时,就可以将环状体包裹在加热容器外部,以增大加热效率。当微波炉用于解冻食品时,可用1片本发明直接盖在冻品上,如冻品较大,可采用上下2片本发明夹住冻品,并注意本发明的底部应放置在盘子上,有利于微波能的激励。Microwave
实施例2:锅形快速加热器Embodiment 2: Pot-shaped rapid heater
参见图3和4,本发明设有锅形支撑体5、锅盖6和4种大小不同规格的微波陶瓷圆柱体7~10,锅形支撑体5上设有把手11,4种大小不同规格的微波陶瓷圆柱体7~10分别对称嵌入锅形支撑体5和锅盖6中,在锅盖6上设有提手12,在锅形支撑体5的底部设有至少1个支脚13。微波陶瓷圆柱体7的直径为12mm,高度为7mm,微波陶瓷的相对介电常数εr为45,微波陶瓷圆柱体8的直径为10mm,高度为7mm,微波陶瓷的相对介电常数εr为50,微波陶瓷圆柱体9的直径为8mm,高度为7mm,微波陶瓷的相对介电常数εr为60,微波陶瓷圆柱体10的直径为7mm,高度为7mm,微波陶瓷的相对介电常数εr为70,锅形支撑体5采用玻璃材料。把手11、提手12和支脚13与锅形支撑体5的材料相同。Referring to Figures 3 and 4, the present invention is provided with a pot-
实施例3:盘形快速加热器Embodiment 3: Disc-shaped fast heater
参见图5~7,本发明设有盘形支撑体14、锅盖15和4种大小不同规格的微波陶瓷圆柱体16~19,4种大小不同规格的微波陶瓷圆柱体16~19分别对称嵌入盘形支撑体14和锅盖15中,在锅盖15上设有提手20。微波陶瓷圆柱体16的直径为12mm,高度为7mm,微波陶瓷的相对介电常数εr为45,微波陶瓷圆柱体17的直径为10mm,高度为7mm,微波陶瓷的相对介电常数εr为50,微波陶瓷圆柱体18的直径为8mm,高度为7mm,微波陶瓷的相对介电常数εr为60,微波陶瓷圆柱体19的直径为7mm,高度为7mm,微波陶瓷的相对介电常数εr为70,盘形支撑体14采用陶瓷材料。提手20与盘形支撑体14的材料相同。Referring to Figures 5-7, the present invention is provided with a disc-shaped
实施例4:筒形快速加热器Embodiment 4: Cartridge fast heater
参见图8~10,本发明设有筒形支撑体21和2种大小不同规格的微波陶瓷圆柱体22~23,2种大小不同规格的微波陶瓷圆柱体22~23分别对称嵌入筒形支撑体21中。微波陶瓷圆柱22的直径为8mm,高度为6mm,微波陶瓷的相对介电常数εr为100,微波陶瓷圆柱体23的直径为6mm,高度5mm,微波陶瓷的相对介电常数εr为120,筒形支撑体21可采用塑料板、玻璃板、陶瓷板或其复合材料板等。Referring to Figures 8-10, the present invention is provided with a
实施例5:刚性板形快速加热器Example 5: Rigid Plate Rapid Heater
参见图11~13,本发明设有刚性板形支撑体24、2种大小不同规格的微波陶瓷圆柱体25~26、放置花粉的传送带27和金属屏蔽罩28。2种大小不同规格的微波陶瓷圆柱体25~26分别对称嵌入刚性板形支撑体24中。微波陶瓷圆柱25的直径为16mm,高度为10mm,微波陶瓷的相对介电常数εr为35,微波陶瓷圆柱体26的直径为10mm,高度8mm,微波陶瓷的相对介电常数εr为55,刚性板形支撑体24可采用陶瓷板,传送带27可采用不锈钢板,金属屏蔽罩28可采用铁板。Referring to Fig. 11~13, the present invention is provided with the
实施例6:盒形快速加热器Embodiment 6: box-shaped rapid heater
与实施例2类似,其区别在于采用盒形支撑体。Similar to
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101568208B (en) * | 2009-01-21 | 2014-02-19 | 徐艳姬 | Microwave and exothermic element mixed heating heating cavity and manufacturing method thereof |
CN113353417A (en) * | 2021-05-10 | 2021-09-07 | 湖南航天诚远精密机械有限公司 | Material box for microwave heating |
CN115444954A (en) * | 2022-09-22 | 2022-12-09 | 四川大学 | Electromagnetic field distribution adjusting device, microwave heating device and heating method |
CN116537002A (en) * | 2023-03-13 | 2023-08-04 | 石家庄铁道大学 | Asphalt Mixture Heating Device Based on Microwave |
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2007
- 2007-12-29 CN CNA2007101441552A patent/CN101217836A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101568208B (en) * | 2009-01-21 | 2014-02-19 | 徐艳姬 | Microwave and exothermic element mixed heating heating cavity and manufacturing method thereof |
CN113353417A (en) * | 2021-05-10 | 2021-09-07 | 湖南航天诚远精密机械有限公司 | Material box for microwave heating |
CN113353417B (en) * | 2021-05-10 | 2023-02-21 | 湖南航天诚远精密机械有限公司 | Material box for microwave heating |
CN115444954A (en) * | 2022-09-22 | 2022-12-09 | 四川大学 | Electromagnetic field distribution adjusting device, microwave heating device and heating method |
CN115444954B (en) * | 2022-09-22 | 2023-10-13 | 四川大学 | Electromagnetic field distribution adjusting device, microwave heating device and heating method |
CN116537002A (en) * | 2023-03-13 | 2023-08-04 | 石家庄铁道大学 | Asphalt Mixture Heating Device Based on Microwave |
CN116537002B (en) * | 2023-03-13 | 2023-11-10 | 石家庄铁道大学 | Microwave-based asphalt mixture heating device |
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