WO2021135972A1 - 一种集成烹饪器具及其控制方法 - Google Patents

一种集成烹饪器具及其控制方法 Download PDF

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Publication number
WO2021135972A1
WO2021135972A1 PCT/CN2020/137167 CN2020137167W WO2021135972A1 WO 2021135972 A1 WO2021135972 A1 WO 2021135972A1 CN 2020137167 W CN2020137167 W CN 2020137167W WO 2021135972 A1 WO2021135972 A1 WO 2021135972A1
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air inlet
oil fume
inlet channel
range hood
channel
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PCT/CN2020/137167
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English (en)
French (fr)
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李斌
蔡玉标
黄友根
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宁波方太厨具有限公司
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Publication of WO2021135972A1 publication Critical patent/WO2021135972A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2035—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

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  • the invention relates to the technical field of kitchen appliances, in particular to an integrated cooking appliance and a control method thereof.
  • the suction port of the range hood is set on the front end of the stove rack, the suction port is provided with a fume separation net cover, the bottom of the cabinet body is provided with an oil collecting box, and the bottom of the oil fume separation net cover is connected to the oil collecting box through an oil pipe
  • the oil fume is sucked into the range hood from the suction port, which can suck the oil fume clean and prevent the oil fume from spreading into the room.
  • the oil fume separation net cover can effectively separate the oil fume; another example is the Chinese patent CN208740670U (patent number 201820749334.2 ) Disclosed is an integrated stove with a steam box, which includes an entire range hood, the bottom of the entire range hood is connected with the cooktop, the bottom of the entire steam box is provided with a base, and the front of the entire steam box is installed with a door through a second hinge.
  • the existing technology has the following problems: 1.
  • the outlet connection needs to destroy the public flue: an integrated stove is installed upstairs, and a hole is opened below the flue. For example, if a traditional range hood is used downstairs and smoke is exhausted from the top, then two smoke outlets If the distance is close, the upstairs will affect the downstairs exhaust, the non-return valve will be opened or the downstairs oil fume will be poured into the upstairs exhaust outlet, and the user experience of the peculiar smell will be poor; 2.
  • the effect of cooking fume needs to be improved: combined with frying
  • No oil fume purification treatment inside the range hood Facilities, cleaning and maintenance inside the machine need to disassemble other appliances, which is not convenient for cleaning and maintenance; 4.
  • the operation between integrated cooking appliances is relatively simple, lacking intelligence and interconnection.
  • the first technical problem to be solved by the present invention is to provide an integrated cooking appliance in view of the above-mentioned shortcomings of the prior art, which can improve the safety, the effect of oil fume absorption and the effect of oil fume purification.
  • the second technical problem to be solved by the present invention is to provide a control method of the above-mentioned integrated cooking appliance.
  • an integrated cooking appliance including a stove body, a stove set on the top of the stove body, and a range hood
  • the range hood includes an air inlet mechanism, an outlet
  • the wind mechanism, the filter assembly and the fan system are respectively connected with the air inlet mechanism and the air outlet mechanism
  • the air inlet mechanism includes an air inlet channel and an air inlet opened on the air inlet channel, and is characterized in that:
  • the filter assembly is arranged in the air inlet channel along the oil fume flow path, and the filter assembly includes a first stage oil fume filter module for filtering the first type of particulate matter, which is arranged in sequence from the upstream to the downstream of the oil fume flow path, and is used for filtering the second type of particulate matter.
  • the second stage oil fume filter module for particulate matter and the third stage oil fume filter module for filtering the third particulate matter, and the particle sizes of the first particulate matter, the second particulate matter
  • the air inlet channel includes a first air inlet channel arranged on the rear side of the stove body and extending longitudinally and a first air inlet channel located above the first air inlet channel.
  • the second air inlet channel the air inlet is opened on the front side of the second air inlet channel, the cross-sectional area of the first air inlet channel gradually decreases from top to bottom, and the second stage oil fume filter module is arranged at At the inlet end of the first air inlet channel, the third-stage oil fume filter module can be vertically arranged in the first air inlet channel, and the outlet end of the first air inlet channel is connected with the fan system.
  • the area of the inlet end of the first air inlet channel is S2
  • the area of the outlet end is S1
  • the cross-sectional area of the third stage oil fume filter module is S3, and set
  • K A*S 3 *n/v section , where K—the purification and adsorption efficiency of the third stage oil fume filter module; n—the speed of the fan system; V section —the wind speed of the third stage oil fume filter module section, and satisfies A ⁇ ( 1/6, 1/2); And, the vertical distance between the third stage oil fume filter module and the second stage oil fume filter module is 1/ of the vertical distance between the inlet end and the outlet end of the first air inlet channel 4 ⁇ 1/2.
  • the air outlet mechanism includes an air outlet channel connected to the fan system and an air outlet opened on the air outlet channel
  • the air outlet channel is located at the rear side of the air inlet channel, and the air outlet is located above the air inlet.
  • a fan air inlet and a fan air outlet are formed on the fan system, the fan air inlet is in communication with the first air inlet channel, and the fan air outlet is in communication with the air outlet channel.
  • the filter assembly further includes a first stage peculiar smell adsorption module arranged downstream of the third stage oil fume filter module, and a second stage peculiar smell adsorption module arranged downstream of the first stage peculiar smell adsorption module Secondary odor adsorption module.
  • the air inlet channel is provided with a spare air inlet communicating with the stove body.
  • a sensor assembly that includes a TVOC concentration sensor adjacent to the air outlet opened on the air outlet mechanism, a temperature sensor set on the cooker, and a gas odor concentration set in the cooker body sensor.
  • the technical solution adopted by the present invention to solve the above-mentioned second technical problem is: a control method of a cooking appliance as described above, including the following steps:
  • TVOC concentration sensor temperature sensor
  • gas odor concentration sensor respectively monitor the values of the corresponding positions.
  • the initial value monitored by the TVOC concentration sensor is Q0 and the current value is Q1
  • the initial value monitored by the temperature sensor is T0 and the current value is T1.
  • the initial value monitored by the gas odor concentration sensor is P0, and the current value is P1;
  • the range hood works, the standby air inlet is opened, the fan system speed of the range hood increases, and it automatically switches to the instantaneous maximum speed; if the TVOC concentration sensor detects it afterwards Q1 does not decrease, indicating that the service life of the filter assembly is attenuated and needs to be replaced.
  • the speed of the fan system (44) of the range hood is increased at the same time, and then the concentration monitored by the gas odor concentration sensor decreases to When P0 is below, the standby air inlet is closed, the bracket is reset, and the fan system of the range hood automatically switches to meet the effect of range hood.
  • the present invention has the advantages of: 1) by setting multiple composite purification paths for oil fume filtration and purification adsorption, so that cooking oil fume enters and is purified and discharged without destroying the public flue; 2) by making one
  • the two-stage oil fume filter module can be raised and lowered, which can change the distance between the two-stage oil fume filter modules according to the gas concentration, reduce the oil fume flow speed, improve the adsorption and filtration of oil fume particles, avoid falling and accumulating in the stove body, and avoid high temperature conditions.
  • Figure 1 is a schematic diagram of an integrated cooking appliance according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view (front and back cross-section) of the integrated cooking appliance according to an embodiment of the present invention
  • Figure 3 is a cross-sectional view (left-right cross-section) of an integrated cooking appliance according to an embodiment of the present invention
  • Figure 4 is a schematic diagram of an air inlet filter assembly according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an exploded structure of an air inlet filter assembly according to an embodiment of the present invention.
  • Fig. 6 is a control flowchart of an integrated cooking appliance according to an embodiment of the present invention.
  • an integrated cooking appliance includes a stove body 1, a stove set on the top of the stove body 1, a steaming oven 3 set in the stove body 1, and a range hood 4.
  • the steamer and the oven are integrated.
  • the steamer and the oven can be set separately.
  • the range hood 4 includes a casing 4a, an air inlet mechanism 41, an air outlet mechanism 42, a filter assembly and a fan system 44. As shown in Fig. 1, the casing 4a is located above and behind the stove body 1, and is assembled with the stove body 1 to form a flat and movable appliance.
  • the air inlet mechanism 41 includes a first air inlet channel 411 arranged on the rear side of the stove body 1 and extending longitudinally, a second air inlet channel 413 located above the first air inlet channel 411, and a second air inlet channel 413 opened on the front side of the second air inlet channel 413.
  • Air inlet 412 wherein, the air inlet 412 is opened on the front side of the casing 4a located above the stove body 1, and the second air inlet channel 413 is surrounded by the casing 4a located above the stove body 1 and connected to the air inlet 412
  • a pair of symmetrically distributed inclined plates 4b are provided in the stove body 1, the rear side of the steaming oven 3, and the position below the second air inlet channel 413, and the first air inlet channel 411 is located here
  • the pair of sloping plates 4b, and the bottoms of the sloping plates 4b are close to each other, and the tops are close to the stove bodies 1 on both sides, so that the cross-sectional area of the first air inlet channel 411 gradually decreases from top to bottom.
  • the second air inlet channel 413 is located above the stove body 1 and communicates with the first air inlet channel 411 up and down to form an integrated air inlet channel.
  • the air outlet mechanism 42 includes an air outlet channel 421 arranged on the rear side of the first air inlet channel 411 and extending longitudinally, and an air outlet 422 formed at the top of the air outlet channel 421; wherein, the top of the cabinet 4a located above the stove body 1 Extending forward to form an air outlet 423, the air outlet 422 is opened at the bottom of the air outlet 423, the opening is downward, and the air outlet 422 is located above the air inlet 412; the air outlet channel 421 is enclosed by the casing 4a and is connected to the air inlet 412 is connected, the air outlet channel 421 extends upward to exceed the top of the second air inlet channel 413, and the air outlet channel 421 is separated from the first and second air inlet channels by the casing 4a.
  • the air inlet 412 may have two spaced apart left and right, which are closer to the pots on the stove 2 and close to the oil fume in all directions to the maximum extent, which can instantly absorb the oil fume generated by cooking and improve the overall smoking effect.
  • a side of the first air inlet channel 411 facing the inside of the stove body 1 is provided with a spare air inlet 414, and the spare air inlet 414 is located below the countertop of the stove 2 and above the steaming oven 3. It can be turned on when the peculiar smell of gas in the stove body 1 is too strong, so as to discharge peculiar smell gas into the first air inlet channel 411.
  • the opening and closing of the spare air inlet 414 can adopt common technical means, such as a sliding baffle, an overturning baffle, and the like.
  • the fan system 44 is arranged in the stove body 1, and in this embodiment, is located below the steaming oven 3 and at the bottom of the stove body 1.
  • the fan system 44 is formed with a fan air inlet 441 and a fan air outlet 442.
  • the fan system 44 is arranged horizontally, that is, the fan air inlet 441 of the fan system 44 faces upward and communicates with the first air inlet channel 411.
  • the fan of the fan system 44 The air outlet 442 faces the side, such as towards the rear side, and communicates with the air outlet channel 421.
  • the filter assembly includes a first-stage oily smoke filter module 431, a second-stage oily smoke filter module 432, a third-stage oily smoke filter module 433, a first-stage odor adsorption module 434, and a second-stage odor adsorption module 435.
  • the first stage oil fume filter module 431 is arranged at the air inlet 412
  • the second stage oil soot filter module 432 is arranged in the first air inlet passage 411, above the standby air inlet 414, and is located in the first air inlet passage 411
  • the third stage oil fume filter module 433 is arranged in the first air inlet channel 411, located below the second stage oil smoke filter module 432
  • the first stage odor adsorption module 434 is arranged in the first air inlet channel 411, located in the first Below the three-stage oil fume filter module 433
  • the second-stage odor adsorption module 435 is arranged at the fan outlet 442 of the fan system 44
  • the two-stage odor adsorption module is used to adsorb VOCs.
  • the particle size of the oil fume particles filtered by the first stage oil fume filter module 431, the second stage oil fume filter module 432, and the third stage oil fume filter module 433 gradually decreases.
  • the first stage oil fume filter module 431 primary filtration
  • the first stage oil fume filter module 431 (primary filtration) is used to intercept the first type of particulate matter, which is large particles (above PM5).
  • the structure of a dynamic net plate is adopted. See Figures 4 and 5, including the net plate 4311.
  • the disc can be rotated at a high speed at 1100 rpm to realize the interception and collision of large particles and ensure that particles above PM5 do not enter the air inlet channel.
  • the net plate 4311 can include a composite curved net and a flat net.
  • the curved net is located upstream of the flat net and is designed in a radius R arc segment, which is more effective for smoking and collecting cigarettes, and high-speed rotation can effectively intercept and filter.
  • the second stage oil fume filter module 432 (intermediate filter) is used to filter the second type of particulate matter between PM2.5 and 5 microns, which is a medium oil fume particulate matter.
  • a porous filter material is used.
  • the third stage oil fume filtration module 433 (high efficiency filtration) is used to filter the third 0.3 micron particles, which are fine particles. Preferably, a high efficiency HEPA net is used. Through the first three stages of filtering the particles from large to small layers, more than 98% of the particles have been filtered and adsorbed.
  • the first-stage odor adsorption module 434 preferably uses activated carbon fiber mesh, and the second-stage odor adsorption module 435 preferably uses a honeycomb activated carbon device.
  • the oil fume after adsorption is filtered through the third-stage oil fume filter module, and then the first-stage odor adsorption module 434 is used for processing. After the first odor adsorption, after entering the fan system 44, the second stage odor adsorption module 435 performs the second oil fume and odor removal, and finally, it is cleanly discharged to the air outlet channel 421.
  • the third stage oil fume filtering module 433 and the first stage odor adsorption module 434 are arranged on the same bracket 436 and can move up and down in the first air inlet channel 411.
  • Any existing linear drive module can be used to drive the bracket 436 to move, such as a combination of an electric push rod, a motor, and a rack and pinion.
  • the cross-sectional area of the first air inlet channel 411 gradually decreases from top to bottom.
  • an inverted trapezoidal structure can be adopted.
  • the inlet end 4111 of the first air inlet channel 411 (second-stage oil fume filter The area where the module 432 is located) is S2, and the area of the outlet end 4112 of the first air inlet channel 411 (connected with the fan system 44) is S1.
  • the lowest position of the third stage oil fume filter module 433 and the first stage odor adsorption module 434 can be set in the middle part of the entire first air inlet channel 411 to reduce the flow speed of soot particles, which is beneficial to 90%
  • the oily fume material can be filtered by the third-stage oily fume filter module 433 and the first-stage odor adsorption module 434 is adsorbed to improve the purification efficiency; namely:
  • K A*S 3 *n/v section , where K—the purification and adsorption efficiency of the third-stage oil fume filter module 433; S3—the cross-sectional area of the third-stage oil fume filter module 433; n—the speed of the fan system 44; and the V section— The cross-sectional wind speed of the third stage oil fume filter module 433.
  • a ⁇ (1/6, 1/2) the vertical distance between the third stage oil fume filter module 433 and the second stage oil fume filter module 431 is the vertical distance between the inlet end and the outlet end of the entire first air inlet channel 411 1/4 ⁇ 1/2 of 1/4, can be set at 1/4 initially.
  • the present invention also includes a sensor assembly.
  • the sensing assembly includes a TVOC concentration sensor 51 arranged on the air outlet 423 of the range hood 4, a temperature sensor 52 arranged on the cooktop 2 and a gas odor concentration sensor 53 arranged inside the cooker body 1.
  • the TVOC concentration sensor 51 is arranged adjacent to the air outlet 422 on the air outlet 423, and the temperature sensor 52 is arranged at the bottom of the countertop of the stove 2 for detecting the countertop temperature of the stove 2, and the gas odor concentration sensor 53 is used for monitoring the inside of the stove 1
  • the odor concentration can be detected by the gas odor concentration sensor 53 when the stove 2 is incompletely burned, the gas leaks, or the odor when the steaming oven 3 is exhausted.
  • the linkage control method of the components (stove 2, steaming oven 3, and range hood 4) of the above-mentioned integrated cooking appliance, see FIG. 6, includes the following steps:
  • the TVOC concentration sensor 51, the temperature sensor 52 and the gas odor concentration sensor 53 respectively monitor the values of the corresponding positions.
  • the TVOC concentration sensor 51 monitors the current indoor air concentration Q1 at the location, the initial value is Q0, and the temperature sensor 52 currently monitors the surface of the stove 2
  • the initial value of the temperature T1 is T0
  • the gas odor concentration sensor 53 monitors the odor concentration P1 in the current stove 1 at the corresponding location, and the initial value is P0;
  • the speed of the fan system 44 of the range hood can be increased at the same time. If a gear is increased, the odorous gas will flow into the negative pressure zone quickly. Odor treatment adsorption and purification. After that, when the concentration detected by the gas odor concentration sensor 53 drops below P0, the backup air inlet 414 is automatically closed, the bracket 436 is reset, and the fan speed of the range hood is automatically switched to meet the range hood effect.
  • the emitted temperature is relatively high, and the cooking experience of the user will be affected if it reaches the surface of the stove 2.
  • the temperature sensor 52 detects that the temperature T1 is greater than the preset temperature, such as T1>T0>65
  • a control signal is issued, the backup air inlet 414 is opened, the speed of the fan system 44 of the range hood is increased, and the speed is automatically switched to the instantaneous maximum speed; rapid heat absorption and heat dissipation are performed to improve the user’s cooking experience; if the TVOC concentration sensor 51 detects There is no decrease in the value of Q1, especially if there is no significant decrease. If the decrease does not exceed Q0, it indicates that the life of the filter assembly is attenuated and needs to be replaced.
  • the main controller can be set on the integrated cooking appliance, such as the stove body 1, for receiving the signal of the sensor assembly, so as to control the operation of the fan system 44 of the range hood 4, the lifting of the bracket 436 and the opening and closing of the standby air inlet 414 .
  • the integrated cooking appliance can also integrate other cooking components, such as a sterilization cabinet, a microwave oven, and so on.

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Abstract

一种集成烹饪器具，包括灶体(1)、灶具(2)以及吸油烟机(4)，吸油烟机(4)包括进风机构(41)、出风机构(42)、过滤组件和风机系统(44)，风机系统(44)分别与进风机构(41)和出风机构(42)连通，进风机构(41)包括进风通道(411,413)和进风口(412)，过滤组件为设置在进风通道(411,413)内的三个油烟过滤模块(431,432,433)。还公开了一种上述集成烹饪器具的控制方法。所述集成烹饪器具能提高安全性、吸油烟效果和油烟净化效果。

Description

一种集成烹饪器具及其控制方法 技术领域
本发明涉及厨房家电的技术领域，尤其是一种集成烹饪器具及其控制方法。
背景技术
随着对健康生活品质的追求，为了实现空间利用率较高，外形美观，符合开放式厨房、厨电橱柜一体化的设计潮流。嵌入式及集成式的烹饪器具使用越来越多，但是集成过程中，由于在有限的空间，吸油烟机吸油烟效果和各方面性能相对单个产品会有所下降，同时下端排出口的连接要重新设置，就要破坏现有的公共烟道设施，带来了一系列的影响。同时在现有的集成烹饪器具里，吸油烟机很少考虑油烟净化功能，整个产品清洁保养维护不便。
现有集成烹饪器具，如中国专利CN207268465U(专利号为201721356099.4)公开的一种侧吸式集成环保灶，其包括有柜体、抽油烟机、燃具，柜体上端面的后侧固定有空心灶架，抽油烟机的吸风口设置在灶架的前端面上，吸风口处设有油烟分离网罩，柜体的底部设有集油盒，油烟分离网罩的底部通过油管连通集油盒，使用时，油烟由吸风口被吸进抽油烟机中，能够将油烟吸干净，防止油烟扩散到房间内，油烟分离网罩能有效地进行油烟分离；又如中国专利CN208740670U(专利号为201820749334.2)公开的一种带蒸箱的集成灶，包括油烟机整体，油烟机整体底部与灶台相连接，蒸箱整体底部设置有底座，蒸箱整体前方通过第二合页安装有箱门。
现有技术存在如下问题：1、出口连接需破坏公用烟道：楼上安装集成灶，在烟道下方开孔，如楼下用传统吸油烟机，在上方排烟，那么两户排烟口间距较近，使用中会出现楼上影响楼下排烟、止逆阀吸开或楼下油烟倒灌到楼上排烟口，异味倒灌用户体验不好；2、吸油烟效果需要提升：结合煎、炒、蒸、煮等多种不同烹饪方式的实际需求，在较大发烟量情况下，油烟逃逸量比较大，不能满足不同消费者的烹饪需求；3、吸油烟机内部无油烟净化处理设施，机器内部清洁保养需拆卸其他器具，不方便清理维护；4、集成烹饪器具之间操作比较单一，缺少智能和互联性。
此外，由于普通集成烹饪器具的进风口距锅面距离较近，流速速度较快，器具内整个流道内的油烟污染物很快容易集中在风道底部污染电控器件，风险较大。
发明内容
本发明所要解决的第一个技术问题是针对上述现有技术存在的不足，提供一种集成 烹饪器具，能提高安全性、吸油烟效果和油烟净化效果。
本发明所要解决的第二个技术问题是提供一种上述集成烹饪器具的控制方法。
本发明解决上述第一个技术问题所采用的技术方案为：一种集成烹饪器具，包括灶体、设置在灶体顶部的灶具、以及吸油烟机，所述吸油烟机包括进风机构、出风机构、过滤组件和风机系统，所述风机系统分别与进风机构和出风机构连通，所述进风机构包括进风通道和开设在进风通道上的进风口，其特征在于：所述过滤组件沿油烟流动路径设置在进风通道内，所述过滤组件包括由油烟流动路径的上游至下游依次设置的用于过滤第一种颗粒物的第一级油烟过滤模块、用于过滤第二种颗粒物的第二级油烟过滤模块和用于过滤第三种颗粒物的第三级油烟过滤模块，并且第一种颗粒物、第二种颗粒物和第三种颗粒物的粒径逐渐减小。
为便于降低油烟流动速度，提高吸附过滤效率，提高吸油烟效果，优选地，所述进风通道包括设置在灶体后侧并且纵向延伸的第一进风通道和位于第一进风通道上方的第二进风通道，所述进风口开设在第二进风通道的前侧，所述第一进风通道的横截面积由上至下逐渐减小，所述第二级油烟过滤模块设置在第一进风通道的进口端，所述第三级油烟过滤模块能升降地设置在第一进风通道内，所述第一进风通道的出口端与风机系统连接。
优选地，所述第一进风通道的进口端面积为S2、出口端面积为S1，第三级油烟过滤模块的截面积为S3，设定
Figure PCTCN2020137167-appb-000001
K＝A*S 3*n/v 截面，其中，K—第三级油烟过滤模块净化吸附效率；n—风机系统的转速；V 截面—第三级油烟过滤模块截面风速，并且满足A∈(1/6，1/2)；并且，所述第三级油烟过滤模块和第二级油烟过滤模块之间的垂直距离为第一进风通道的进口端和出口端之间垂直距离的1/4～1/2。
为使得气流在进风口和出风口循环，进一步确保室内循环排放，保持室内空气质量整洁，优选地，所述出风机构包括与风机系统连通的出风通道和开设在出风通道上的出风口，所述出风通道位于进风通道后侧，所述出风口位于进风口的上方。
优选地，所述风机系统上形成有风机进风口和风机出风口，所述风机进风口与第一进风通道连通，所述风机出风口与出风通道连通。
为便于吸附异味气体，进一步提高排出气体质量，优选地，所述过滤组件还包括设置在第三级油烟过滤模块下游的第一级异味吸附模块，以及设置在第一级异味吸附模块下游的第二级异味吸附模块。
为便于排出泄漏的燃气和其他烹饪组件的异味，优选地，所述进风通道上开设有与灶体内连通的备用进风口。
为便于自动控制吸油烟机，还包括传感组件，所述传感组件包括邻近出风机构上开设的出风口的TVOC浓度传感器、设置在灶具上的温度传感器以及设置在灶体内的气体异味浓度传感器。
本发明解决上述第二个技术问题所采用的技术方案为：一种如上所述的烹饪器具的控制方法，包括如下步骤：
1)集成烹饪器具开始工作；
2)TVOC浓度传感器、温度传感器和气体异味浓度传感器分别监测相应位置的数值，TVOC浓度传感器监测到的初始值为Q0、当前值为Q1，温度传感器监测到的初始值为T0、当前值为T1，气体异味浓度传感器监测到的初始值为P0、当前值为P1；
3)根据上述三个监测值进行相应的操作：
3.1)当TVOC浓度传感器监测到Q1＞气体浓度预设值，吸油烟机自动开启，过滤组件工作进行室内空气净化；当2Q0＜Q1＜4Q0时，吸油烟机的风机系统转速提升，自动切换至瞬时最高转速；如果此后TVOC浓度传感器监测到的Q1数值无降低，说明过滤组件寿命衰减，需进行更换；
3.2)当气体异味浓度传感器监测到的P1不变，则备用进风口保持关闭，支架处于初始位置；当气体异味浓度传感器监测到的P1增大，根据浓度数值变化，降低支架高度：
3.2.1)当P0＜P1＜2P0时，吸油烟机工作，备用进风口打开，支架下降第一高度；
3.2.2)当2P0＜P1＜4P0，吸油烟机工作，备用进风口打开，支架下降第二高度，第二高度大于第一高度；
3.2.3)当4P0＜P1，吸油烟机工作，备用进风口打开，支架下降第三高度，第三高度大于第二高度；
3.3)当温度传感器监测到温度T1＞温度预设值时，吸油烟机工作，备用进风口打开，吸油烟机的风机系统转速提升，自动切换至瞬时最高转速；如果此后TVOC浓度传感器监测到的Q1无降低，说明过滤组件寿命衰减，需进行更换。
优选的，在上述步骤3.2.1)、3.2.2)、3.2.3)中，分别同时使得吸油烟机的风机系统(44)转速增大，此后当气体异味浓度传感器监测到的浓度降低到P0以下时，备用进风口关闭，支架复位，吸油烟机的风机系统自动切换正常满足吸油烟效果。
与现有技术相比，本发明的优点在于：1)通过设置多重复合净化路径进行油烟过滤和净化吸附，实现烹饪油烟进入、净化洁净后排出，不需破坏公用烟道；2)通过使得一级油烟过滤模块可升降，由此可根据气体浓度使得两级油烟过滤模块之间的距离变化，降低油烟流动速度，提高油烟颗粒吸附和过滤，避免下降堆积在灶体内，避免在高温情况下，因为油气电的混合而引发各种安全问题；3)结合多种净化技术进行复合，实现全面拦截，过滤、吸附和异味去除，实现内循环排放；4)实现灶具、吸油烟机和其他烹饪组件的相互制约和联动节约能源，保持室内压力平衡。
附图说明
图1为本发明实施例的集成烹饪器具的示意图；
图2为本发明实施例的集成烹饪器具的剖视图(前后向剖面)；
图3为本发明实施例的集成烹饪器具的剖视图(左右向剖面)；
图4为本发明实施例的进风口过滤组件的示意图；
图5为本发明实施例的进风口过滤组件的分解结构示意图；
图6为本发明实施例的集成烹饪器具的控制流程图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，由于本发明所公开的实施例可以按照不同的方向设置，所以这些表示方向的术语只是作为说明而不应视作为限制，比如“上”、“下”并不一定被限定为与重力方向相反或一致的方向。此外，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。
参见图1～图3，一种集成烹饪器具，包括灶体1、设置在灶体1顶部的灶具2、设置在灶体1内的蒸烤箱3以及吸油烟机4。在本实施例中，蒸箱和烤箱为一体机，可替代的，蒸箱和烤箱可单独设置。
吸油烟机4包括机壳4a、进风机构41、出风机构42、过滤组件和风机系统44。如图1所示，机壳4a位于灶体1的上方和后侧，并与灶体1组装成一平整的可整体搬动的器具。
进风机构41包括设置在灶体1后侧并且纵向延伸的第一进风通道411、位于第一进风通道411上方的第二进风通道413、开设在第二进风通道413前侧的进风口412；其中，进风口412开设在位于灶体1上方的机壳4a的正前侧上，第二进风通道413由位于灶体1上方的机壳4a围成而与进风口412相连通；在本实施例中，在灶体1之内、蒸烤箱3的后侧、第二进风通道413下方的位置设置有一对对称分布的斜板4b，第一进风通道411位于这一对斜板4b之间，并且，各斜板4b底部互相靠近，顶部向两侧的灶体1靠近，使得第一进风通道411的横截面积由上至下逐渐减小。
在本实施例中，第二进风通道413位于灶体1的上方，与第一进风通道411上下连通成为一体的一个进风通道。
出风机构42包括设置在第一进风通道411后侧并且纵向延伸的出风通道421、以及形成在出风通道421顶部的出风口422；其中，位于灶体1上方的机壳4a的顶部向前延伸形成出风部423，出风口422开设在出风部423的底部，开口向下，且出风口422位于进风口412的上方；出风通道421由机壳4a围成并与进风口412相连通，出风通道421向上延伸超过第二进风通道413的顶部，出风通道421与第一、第二进风通道通过机壳4a而分隔。
进风口412可具有左右间隔布置的两个，离灶具2上的锅具较近，全方位最大限度靠近油烟，能够瞬间吸走烹饪产生的油烟，提升了整个吸烟效果。
另外，第一进风通道411朝向灶体1内的一侧开设有备用进风口414，备用进风口414位于灶具2的台面下方、蒸烤箱3的上方。可在灶体1内气体异味过大时开启，从而将异味气体排入第一进风通道411。备用进风口414的启闭可采用常用的技术手段，如滑移挡板、翻转挡板等。
风机系统44设置在灶体1内，在本实施例中位于蒸烤箱3的下方、灶体1内的底部。风机系统44上形成有风机进风口441和风机出风口442，风机系统44呈卧式布置，即风机系统44的风机进风口441朝上、与第一进风通道411连通，风机系统44的风机出风口442朝向侧面，如朝向后侧、与出风通道421连通。
过滤组件包括第一级油烟过滤模块431、第二级油烟过滤模块432、第三级油烟过滤模块433、第一级异味吸附模块434和第二级异味吸附模块435。其中，第一级油烟过滤模块431设置在进风口412处，第二级油烟过滤模块432设置在第一进风通道411内、位于备用进风口414上方的位置，并且处于第一进风通道411的顶部；第三级油烟过滤模块433设置在第一进风通道411内、位于第二级油烟过滤模块432的下方，第一级异味吸附模块434设置在第一进风通道411内、位于第三级油烟过滤模块433的下方，第二级异味吸附模块435设置在风机系统44的风机出风口442，两级异味吸附模块用于吸附VOCs。
第一级油烟过滤模块431、第二级油烟过滤模块432和第三级油烟过滤模块433所过滤的油烟颗粒的粒径逐渐减小。第一级油烟过滤模块431(初级过滤)用于拦截第一种颗粒物，为大颗粒(PM5以上)，在本实施例中，采用动态网盘的结构，参见图4和图5，包括网盘4311、用于驱动网盘4311网旋转的电机4312以及用于固定电机4312的电机支架4313，由于进风口412处油烟浓度较大，电机4312采用全塑封电机，保护电机和延长使用寿命，动态网盘可在转速1100转下进行高速旋转，实现对大颗粒的拦截碰撞，保证PM5以上的颗粒不进入进风通道。网盘4311可包括复合的曲面网和平面网，曲面网位于平面网的上游，呈半径R圆弧段设计，更有效吸烟拢烟，高速旋转更是能有效拦截和过滤。第二级油烟过滤模块432(中级过滤)用于过滤PM2.5到5微米之间的第二种颗粒物，为中等油烟颗粒物，较好地，采用多孔滤材。第三级油烟过滤模块433(高效过 滤)用于过滤0.3微米的第三种颗粒物，为细小颗粒物，优选的，采用高效HEPA网。通过前三级对颗粒物由大到小层层过滤，98％以上的颗粒物已全部过滤和吸附。第一级异味吸附模块434优选的采用活性炭纤维网，第二级异味吸附模块435优选的采用蜂窝活性炭装置，经过三级油烟过滤模块过滤吸附后的油烟，再通过第一级异味吸附模块434进行初次异味吸附，进入风机系统44后，通过第二级异味吸附模块435进行第二次油烟异味去除，最终洁净的排出到出风通道421。
第三级油烟过滤模块433和第一级异味吸附模块434设置在同一个支架436上，可在第一进风通道411内上下移动。可采用任何现有的直线驱动模组驱动支架436移动，如电动推杆、电机和齿轮齿条的组合等。
此外，由于进风口412和出风口422相邻设置，则烹饪油烟从进风口412进入通过拦截、过滤、异味去除后，气体从出风口422排出后，能够再一次到达进风口412，再次被产生的负压进行吸入，这样在进风口412和出风口422一直循环，进一步确保室内循环排放，保持室内空气质量整洁。
由于集成烹饪器具的进风口412与锅具的距离较近，流速速度较快，因此，整个进风通道内的油烟污染物很容易集中在进风通道底部污染电控器件，风险较大。因此，本发明中，第一进风通道411的横截面积由上至下逐渐减小，较好地，可采用倒梯形结构，第一进风通道411的进口端4111(第二级油烟过滤模块432所在位置)面积为S2，第一进风通道411的出口端4112(与风机系统44连通处)面积为S1。根据风速关系，为提升净化效率，第三级油烟过滤模块433与第一级异味吸附模块434最低位置可设置在整个第一进风通道411的中间部位，降低油烟颗粒流动速度，有利于90％的油烟物质能被第三级油烟过滤模块433过滤和第一级异味吸附模块434吸附，提升净化效率；即：
Figure PCTCN2020137167-appb-000002
K＝A*S 3*n/v 截面，其中，K—第三级油烟过滤模块433净化吸附效率；S3—第三级油烟过滤模块433截面面积；n—风机系统44的转速；V 截面—第三级油烟过滤模块433截面风速。A∈(1/6，1/2)，第三级油烟过滤模块433和第二级油烟过滤模块431之间的垂直距离为整个第一进风通道411的进口端和出口端之间垂直距离的1/4～1/2，初始时可设置在1/4处。
为便于自动控制上述的灶具2、蒸烤箱3和吸油烟机4，使得三者可相互制约和联动，本发明还包括传感组件。传感组件包括设置在吸油烟机4的出风部423上的TVOC浓度传感器51、设置在灶具2上的温度传感器52以及设置在灶体1内的气体异味浓度传感器53。TVOC浓度传感器51与出风部423上的出风口422相邻设置，温度传感器52设置在灶具2的台面底部，用于检测灶具2的台面温度，气体异味浓度传感器53用 于监测灶体1内的异味浓度，当灶具2不完全燃烧、燃气泄漏或蒸烤箱3排出时异味时，可被气体异味浓度传感器53监测到。
上述集成烹饪器具的各组件(灶具2、蒸烤箱3和吸油烟机4)联动控制方法，参见图6，包括如下步骤：
1)集成烹饪器具开始工作；
2)TVOC浓度传感器51、温度传感器52和气体异味浓度传感器53分别监测相应位置的数值，TVOC浓度传感器51监测所在位置的当前室内空气浓度Q1，初始值为Q0，温度传感器52当前监测灶具2表面的温度T1，初始值为T0，气体异味浓度传感器53监测相应位置当前灶体1内的异味浓度P1，初始值为P0；
3)根据上述三个监测值进行相应的操作：
3.1)当TVOC浓度传感器51监测到Q1＞气体浓度预设值，如1mg/m 3时，吸油烟机4自动开启，过滤组件工作进行室内空气净化；当2Q0＜Q1＜4Q0时，吸油烟机的风机系统44转速提升，自动切换至瞬时最高转速；如果此后TVOC浓度传感器51监测到的Q1数值无降低，尤其是无明显降低，如降低幅度不超过Q0，说明过滤组件寿命衰减，需进行更换；
3.2)当气体异味浓度传感器53监测到的P1不变，则备用进风口414保持关闭，支架436处于初始位置；当气体异味浓度传感器53监测到的P1增大，表示灶具2不完全燃烧、燃气有泄漏或者蒸烤箱3排出的异味较大，根据浓度数值变化，降低支架436高度，降低过滤组件的第二级油烟过滤模块432和第三级油烟过滤模块433之间的间距厚度，进而油烟流动速度降低，提升吸附净化效果：
3.2.1)当P0＜P1＜2P0时，吸油烟机4工作，备用进风口414打开，支架436下降第一高度，如10mm；
3.2.2)当2P0＜P1＜4P0，吸油烟机4工作，备用进风口414打开，支架436下降第二高度，如15mm；
3.2.3)当4P0＜P1，吸油烟机4工作，备用进风口414打开，支架436下降第三高度，如20mm，达到下降最大高度；
在上述步骤3.2.1)、3.2.2)、3.2.3)中，可同时使得吸油烟机的风机系统44转速增大，如增大一个档位，异味气体快速流入负压区，快速进行异味处理吸附和净化，此后当气体异味浓度传感器53监测到的浓度降低到P0以下时，备用进风口414自动关闭，支架436复位，吸油烟机风机风速自动切换正常满足吸油烟效果；
3.3)由于集成烹饪器具的蒸烤箱3工作时，散发的温度较高，至灶具2表面的话会影响用户烹饪体验，当温度传感器52监测到温度T1大于温度预设值，如T1＞T0＞65℃时，发出控制信号，备用进风口414打开，吸油烟机的风机系统44转速提升，自动切换至瞬时最高转速；进行快速吸热散热处理，提升用户烹饪体验；如果此后TVOC浓度 传感器51监测到的Q1数值无降低，尤其是无明显降低，如降低幅度不超过Q0，说明过滤组件寿命衰减，需进行更换。
可在集成烹饪器具上，如灶体1上设置主控制器，用于接收传感器组件的信号，从而控制吸油烟机4的风机系统44的运行、支架436的升降和备用进风口414的启闭。
当然，集成烹饪器具还可以集成其他烹饪组件，如消毒柜、微波炉等。

Claims (10)

  1. 一种集成烹饪器具，包括灶体(1)、设置在灶体(1)顶部的灶具(2)、以及吸油烟机(4)，所述吸油烟机(4)包括进风机构(41)、出风机构(42)、过滤组件和风机系统(44)，所述风机系统(44)分别与进风机构(41)和出风机构(42)连通，所述进风机构(41)包括进风通道(411,413)和开设在进风通道(411,413)上的进风口(412)，其特征在于：
    所述过滤组件沿油烟流动路径设置在进风通道(411,413)内，所述过滤组件包括由油烟流动路径的上游至下游依次设置的用于过滤第一种颗粒物的第一级油烟过滤模块(431)、用于过滤第二种颗粒物的第二级油烟过滤模块(432)和用于过滤第三种颗粒物的第三级油烟过滤模块(433)，并且第一种颗粒物、第二种颗粒物和第三种颗粒物的粒径逐渐减小。
  2. 根据权利要求1所述的集成烹饪器具，其特征在于：所述进风通道(411,413)包括设置在灶体(1)后侧并且纵向延伸的第一进风通道(411)和位于第一进风通道(411)上方的第二进风通道(413)，所述进风口(412)开设在第二进风通道(413)的前侧，所述第一进风通道(411)的横截面积由上至下逐渐减小，所述第二级油烟过滤模块(432)设置在第一进风通道(411)的进口端(4111)，所述第三级油烟过滤模块(433)能升降地设置在第一进风通道(411)内，所述第一进风通道(411)的出口端(4112)与风机系统(44)连接。
  3. 根据权利要求2所述的集成烹饪器具，其特征在于：所述第一进风通道(411)的进口端(4111)面积为S2、出口端(4112)面积为S1，第三级油烟过滤模块(433)的截面积为S3，设定
    Figure PCTCN2020137167-appb-100001
    K＝A*S 3*n/v 截面，其中，K—第三级油烟过滤模块(433)净化吸附效率，n—风机系统(44)的转速，V 截面—第三级油烟过滤模块(433)截面风速，并且满足A∈(1/6，1/2)；
    并且，所述第三级油烟过滤模块(433)和第二级油烟过滤模块(432)之间的垂直距离为第一进风通道(411)的进口端(4111)和出口端(4112)之间垂直距离的1/4～1/2。
  4. 根据权利要求1～3中任一项所述的集成烹饪器具，其特征在于：所述出风组件(42)包括与风机系统(44)连通的出风通道(421)和开设在出风通道(421)上的出风口(422)，所述出风通道(421)位于进风通道后侧，所述出风口(422)位于进风口(412)的上方。
  5. 根据权利要求1～3中任一项所述的集成烹饪器具，其特征在于：所述风机系统(44)上形成有风机进风口(441)和风机出风口(442)，所述风机进风口(441)与第一进风通道(411)连通，所述风机出风口(442)与出风通道(421)连通。
  6. 根据权利要求1～3中任一项所述的集成烹饪器具，其特征在于：所述过滤组件还包括设置在第三级油烟过滤模块(433)下游的第一级异味吸附模块(434)，以及设置在第一级异味吸附模块(434)下游的第二级异味吸附模块(435)。
  7. 根据权利要求2或3所述的集成烹饪器具，其特征在于：所述进风通道上开设有与灶体(1)内连通的备用进风口(414)。
  8. 根据权利要求7所述的集成烹饪器具，其特征在于：还包括传感组件，所述传感组件包括邻近出风组件(42)上开设的出风口(422)的TVOC浓度传感器(51)、设置在灶具(2)上的温度传感器(52)以及设置在灶体(1)内的气体异味浓度传感器(53)。
  9. 一种如权利要求8所述的烹饪器具的控制方法，包括如下步骤：
    1)集成烹饪器具开始工作；
    2)TVOC浓度传感器(51)、温度传感器(52)和气体异味浓度传感器(53)分别监测相应位置的数值，TVOC浓度传感器(51)监测到的初始值为Q0、当前值为Q1，温度传感器(52)监测到的初始值为T0、当前值为T1，气体异味浓度传感器(53)监测到的初始值为P0、当前值为P1；
    3)根据上述三个监测值进行相应的操作：
    3.1)当TVOC浓度传感器(51)监测到Q1＞气体浓度预设值，吸油烟机(4)自动开启，过滤组件工作进行室内空气净化；当2Q0＜Q1＜4Q0时，吸油烟机的风机系统(44)转速提升，自动切换至瞬时最高转速；如果此后TVOC浓度传感器(51)监测到的Q1数值无降低，说明过滤组件寿命衰减，需进行更换；
    3.2)当气体异味浓度传感器(53)监测到的P1不变，则备用进风口(414)保持关闭，支架(436)处于初始位置；当气体异味浓度传感器(53)监测到的P1增大，根据浓度数值变化，降低支架(436)高度：
    3.2.1)当P0＜P1＜2P0时，吸油烟机(4)工作，备用进风口(414)打开，支架(436)下降第一高度；
    3.2.2)当2P0＜P1＜4P0，吸油烟机(4)工作，备用进风口(414)打开，支架(436)下降第二高度，第二高度大于第一高度；
    3.2.3)当4P0＜P1，吸油烟机(4)工作，备用进风口(414)打开，支架(436)下降第三高度，第三高度大于第二高度；
    3.3)当温度传感器(52)监测到温度T1＞温度预设值时，吸油烟机(4)工作，备用进风口(414)打开，吸油烟机的风机系统(44)转速提升，自动切换至瞬时最高转速；如果此后TVOC浓度传感器(51)监测到的Q1无降低，说明过滤组件寿命衰减，需进行更换。
  10. 根据权利要求9所述的集成烹饪器具的控制方法，其特征在于：在上述步骤3.2.1)、3.2.2)、3.2.3)中，分别同时使得吸油烟机的风机系统(44)转速增大，此后当气体异味浓度传感器(53)监测到的浓度降低到P0以下时，备用进风口(414)关闭，支架(436)复位，吸油烟机的风机系统(44)自动切换正常满足吸油烟效果。
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