CN112781086A

CN112781086A - Multifunctional range hood and control method thereof

Info

Publication number: CN112781086A
Application number: CN202110082391.6A
Authority: CN
Inventors: 王亚男; 王发银; 张傲林
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-05-11

Abstract

The invention relates to a multifunctional range hood, comprising: the range hood main body comprises a shell and a fan system arranged in the shell; the disinfection chamber component comprises a first box body with a disinfection chamber and a disinfection unit, the first box body is arranged on the shell of the range hood main body, and the disinfection unit is arranged on the first box body and can act on tableware placed in the disinfection chamber; the refrigeration cavity component comprises a second box body with a refrigeration cavity and a refrigeration unit, the second box body is arranged on the shell of the range hood main body, and the refrigeration unit is arranged on the second box body and acts on the refrigeration cavity. Carry out rational utilization to the space that range hood saved, realize range hood's multi-functional utilization, wherein, the walk-in can place the sauce material or the edible material that need keep fresh, and the disinfection chamber can realize the disinfection treatment to tableware such as chopsticks, ladle, needn't additionally add equipment such as refrigerator and sterilizer again, has avoided occuping the kitchen space. Also relates to a control method of the range hood.

Description

Multifunctional range hood and control method thereof

Technical Field

The invention relates to the technical field of range hoods, in particular to a multifunctional range hood and a control method thereof.

Background

With the improvement of living standard and the change of living conditions, the range hood becomes an essential kitchen device. In the actual use process, the temperature in the kitchen is high, especially in summer, and the temperature is high, and in winter, the temperature is opposite, so that great inconvenience exists, and the cooking mood is also influenced. In order to solve the problems of heat and cold of a kitchen, some users choose to install air conditioning equipment in the kitchen and independently install an air conditioner, so that the occupied space of the kitchen cannot be avoided, and the problems of installing an external unit, damaging an external wall, increasing cost, corroding an internal unit of the air conditioner by kitchen oil smoke and the like also exist.

In order to solve the above technical problem, a range hood with an air conditioning function is provided, for example, chinese patent application with application number CN202010285938.8 (publication number CN111473379A) discloses a range hood with an air conditioning function, which includes: the range hood comprises a range hood body, an air conditioning module and a control module, wherein the air conditioning module comprises a first air channel, a second air channel, a semiconductor module and a second fan module, an air inlet of the first air channel is communicated with the outside, an air outlet of the first air channel is communicated with the first fan module, an air inlet of the second air channel is communicated with the outside, and the air outlet of the second air channel is communicated with the second fan module and faces a user. The range hood integrates the voltage switching component and the semiconductor module on the basis of the existing range hood, so that heating and refrigerating of a local kitchen space are realized, the cost is low, the volume is small, the kitchen space is not additionally occupied, the added value of the existing range hood is increased, the problems of high kitchen temperature in summer and low kitchen temperature in winter are solved, and the user experience degree is improved.

Although the range hood that has air conditioning function in the above-mentioned patent has solved the higher and lower problem of winter kitchen temperature in summer kitchen temperature, however, the edible material or the sauce article that present kitchen needs to keep fresh need be put in the refrigerator usually, place the refrigerator in the kitchen, also can occupy the great space in kitchen, and, place the refrigerator with sauce article, occupied the volume of refrigerator on the one hand, also can cause the refrigerator to play the flavor, especially, do not put down the refrigerator to the user kitchen of small house type, need put in the sitting room, this has just led to getting and putting the trouble problem of sauce. Furthermore, at present, the disinfection cabinet is also independently arranged in the kitchen, occupies the space of the kitchen, and the disinfection cabinet heats the tableware or dries the tableware through an independent heating module, so that the cost is higher. Therefore, as the living standard of people is improved, people expect how to integrate the disinfection function, the refrigeration function and the equipment with the air conditioning function with the range hood, so as to avoid occupying extra kitchen space as much as possible.

Therefore, the existing range hood needs to be further improved.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a range hood with a disinfection function and a refrigeration function, which can not only disinfect tableware, but also refrigerate food materials and other articles.

A second technical problem to be solved by the present invention is to provide a range hood with a disinfection function, a refrigeration function, and an air conditioning function, which can disinfect tableware, achieve the purpose of refrigerating food materials and other objects, and has an air conditioning function, thereby improving kitchen environment.

The third technical problem to be solved by the present invention is to provide a control method of a range hood in view of the current situation of the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a multifunctional range hood, comprising:

the range hood main body comprises a shell and a fan system arranged in the shell, and the shell is provided with an air outlet cavity;

the first box body is arranged on the shell of the range hood main body, and the disinfection unit is arranged on the first box body and can act on tableware placed in the disinfection cavity;

the refrigeration cavity component comprises a second box body with a refrigeration cavity and a refrigeration unit, wherein the second box body is arranged on the shell of the range hood main body, and the refrigeration unit is arranged on the second box body and acts on the refrigeration cavity.

In order to simplify the structure of the sterilization chamber assembly and the refrigeration chamber assembly, improve the energy utilization rate and reduce the cost, the sterilization unit comprises a heating module; the range hood also comprises a semiconductor refrigerating device with a refrigerating end and a heating end, the second box body is arranged adjacent to the first box body, the semiconductor refrigerating device is positioned between the first box body and the second box body, the heating end of the semiconductor refrigerating device correspondingly faces the disinfection cavity of the first box body so as to form the heating module, and the refrigerating end of the semiconductor refrigerating device correspondingly faces the refrigerating cavity of the second box body so as to form the refrigerating unit.

Adopt above-mentioned semiconductor refrigerating plant can save traditional compressor refrigeration structure, and semiconductor refrigerating plant is small, and power is little, and satisfies the refrigerated requirement of kitchen (cold-stored function and air conditioning function), and the heat that semiconductor refrigerating plant produced can be arranged to the disinfection cavity simultaneously, realizes the stoving of tableware such as chopsticks ladle in the sterilizer, has promoted the utilization efficiency of energy.

In order to reasonably design the space of the sterilization chamber assembly and the refrigeration chamber assembly and fully utilize the energy generated by the semiconductor refrigerating device, the sterilization chamber assembly comprises two first box bodies, the second box body is positioned between the two first box bodies, and the number of the semiconductor refrigerating devices is correspondingly two.

In order to further optimize the structure of the all-in-one machine formed by the range hood main body, the disinfection chamber component and the refrigeration chamber component and improve the aesthetic property of the all-in-one machine, the bottom of the range hood main body is provided with an air inlet, the second box body and the two first box bodies are arranged on the front side of the shell of the range hood main body and are sequentially arranged on the transverse direction, so that a combined box body structure is formed, the combined box body structure is positioned above the air inlet, and the bottom wall of the combined box body structure forms a smoke baffle plate structure used for gathering smoke.

In order to improve the refrigeration effect, a refrigeration panel is arranged on the inner wall of the refrigeration cavity of the second box body and is connected with the refrigeration end of the semiconductor refrigeration device.

In order to improve the drying effect of the disinfection cavity, a first fan used for circulating air flow in the disinfection cavity is further arranged in the first box body.

In order to monitor the temperature in the refrigerating cavity in real time and control the refrigerating cavity to be in a reasonable temperature range through the control system, the temperature monitoring device further comprises a first temperature probe used for detecting the temperature in the refrigerating cavity.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the second box body comprises a box body with an opening at the front part and a door body covering the opening position of the box body, and the door body can move to a set position relative to the box body, so that the opening part is opened to form an air outlet for exhausting air flow.

The door body is relative the box body moves to the set position and opens above-mentioned air exit after, and the second fan of second box can provide certain wind pressure, discharges the air conditioning of refrigeration chamber through above-mentioned air exit, cools down the environment in the kitchen, can realize the air conditioning function from this.

In order to drive the door body to act and open or close the air outlet, the air outlet structure further comprises an electric push rod arranged on the box body, and the power output end of the electric push rod is connected with the door body so as to drive the door body to move.

In order to discharge the kitchen environment again after the air purification with cold-stored intracavity, get rid of the smell, improve user experience, still include air purification module, this air purification module is located on the second box to can cover the air exit. The air purification module is preferably an activated carbon box device, and the activated carbon box device can be arranged on the door body of the second box body and also can be arranged on the box body of the second box body.

In order to realize the automatic opening of the air conditioning function (mode) of the refrigeration cavity component, the user experience is further improved, and the refrigeration cavity component further comprises a second temperature probe for detecting the temperature of the outside air and an infrared sensor for identifying whether a user is positioned on the front side of the air outlet. The infrared sensors can be at least two, are correspondingly arranged on the left side and the right side of the range hood main body or two second boxes (corresponding to two cookers below the range hood main body), and are used for identifying whether a user is positioned on the left side or the right side, so that the refrigeration cavity component on one side where the user is positioned starts an air conditioning function, the user is provided with a targeted cooling experience, and energy waste can be avoided.

After the ultraviolet lamp shines to disinfect, after heating a period, the disinfection room inner chamber still has the ozone of not decomposing, in order to in time get rid of the ozone that will have not decomposing, avoids kitchen room air to be influenced, the disinfection unit still including can act on the ozone generation module in disinfection chamber, the disinfection chamber with the air-out chamber intercommunication of range hood main part to locate through corresponding the disinfection chamber with the break-make is controlled to the control valve in the flow path between the air-out chamber.

In order to reasonably design a flow path between the disinfection cavity and the air outlet cavity and realize automatic control of on-off of the control valve, a through hole communicated with the air outlet cavity of the range hood main body is formed in the rear side wall of the first box body, and the control valve is an electromagnetic valve and is connected with the through hole.

The technical scheme adopted by the invention for solving the third technical problem is as follows: the control method of the multifunctional range hood further comprises a semiconductor refrigerating device with a refrigerating end and a heating end, the second box body is arranged adjacent to the first box body, the semiconductor refrigerating device is positioned between the first box body and the second box body, the heating end of the semiconductor refrigerating device correspondingly acts on a disinfection cavity of the first box body so as to form the heating module, and the refrigerating end of the semiconductor refrigerating device correspondingly acts on a refrigerating cavity of the second box body so as to form the refrigerating unit;

the disinfection unit also comprises an ozone generation module which can act on the disinfection cavity;

the second box body comprises a box body with an opening at the front part and a door body covering the opening position of the box body, and the door body can move to a set position relative to the box body, so that the opening part is opened to form an air outlet for exhausting air flow.

The control method of the multifunctional range hood comprises the following steps:

s1, starting a program;

s2, in a normal working state, the semiconductor refrigerating device is in a low-power running state, the heating end of the semiconductor refrigerating device acts on the disinfection cavity to provide heat for the disinfection cavity, so that the disinfection cavity is in a continuous drying state, and the refrigerating end of the semiconductor refrigerating device acts on the refrigerating cavity to provide cold for the refrigerating cavity, so that the refrigerating cavity is in a continuous refrigerating state;

s3, when the tableware placed in the disinfection cavity needs to be disinfected, the ozone generating module of the disinfection cavity assembly is started, the ozone generating module is closed after the tableware is operated for a set time, then the semiconductor refrigerating device is adjusted to be in a high-power operation state, and the semiconductor refrigerating device returns to be in a low-power operation state after the tableware is operated for the set time.

S4, detecting the temperature in the refrigerating cavity by the first temperature probe correspondingly arranged in the refrigerating cavity while the step S3 is carried out or after the step S3, acquiring a temperature value T1, judging whether T1 is lower than a set temperature T1, if yes, entering the step S5, and if not, repeating the step;

s5, starting the second fan, moving the door body to a set position relative to the box body, opening the opening part to form an air outlet for exhausting air flow, exhausting cold air in the refrigerating cavity outwards through the air outlet, and then returning to the step S4.

The refrigerating chamber component of the range hood also has an air conditioning function (mode), and in order to improve the use experience of the air conditioning function of a user, the control method of the air conditioning function is as follows:

the range hood further comprises a second temperature probe for detecting the temperature of the outside air and an infrared sensor for identifying whether a user is positioned on the front side of the air outlet.

The control method of the multifunctional range hood further comprises the following steps:

the first step, starting a program;

detecting the room temperature of the kitchen through a second temperature probe, acquiring a temperature value T2, judging whether T2 is lower than a set temperature T0, if so, entering a third step, and if not, repeating the step;

a third step of detecting whether a user is positioned at the front side of the air outlet through an infrared sensor, if so, entering a fourth step, and if not, repeating the step;

a fourth step of adjusting the semiconductor refrigeration device to a high-power operation state, starting a second fan, moving the door body to a set position relative to the box body, opening the opening part to form an air outlet for exhausting air flow, exhausting cold air in the refrigeration cavity outwards through the air outlet, and then carrying out the next step;

and step five, when the infrared sensor does not detect the user, starting timing, acquiring the time length S, judging whether the time length S is more than or equal to the set time length S0, if so, adjusting the semiconductor refrigerating device to a low-power operation state, returning to the step three, and if not, repeating the step five.

In the second step, the value of T0 is in the range of 25-35 degrees, preferably 26 degrees.

In the fifth step, the value range of S0 is 1min to 5min, preferably 2 min.

In order to timely discharge the air with residual ozone in the disinfection cavity after the disinfection is finished, the disinfection cavity is communicated with the air outlet cavity of the range hood main body, the range hood also comprises a control valve which is correspondingly arranged in a flow path between the disinfection cavity and the air outlet cavity, and the control valve is used for switching on and off between the disinfection cavity and the air outlet cavity;

in the control method, after the step S3 is finished, the fan system of the range hood is controlled to start, and the control valve is opened, so that the air with residual ozone in the disinfection cavity is discharged into the air outlet cavity of the range hood main body, and the operation of the fan system of the range hood is finished after the set time.

Compared with the prior art, the invention has the advantages that: on the range hood basis that tends to miniaturization (slimming) at present, the integration has disinfection cavity subassembly and cold-stored cavity subassembly, carry out rational utilization to the space that the range hood saved, realize range hood's multi-functional utilization, wherein, the cold-stored walk-in of cold-stored cavity subassembly can be placed the sauce material that needs keep fresh or eat the material, the disinfection chamber of disinfection cavity subassembly can be realized the disinfection processing to tableware such as chopsticks, ladle, and needn't additionally add equipment such as refrigerator and sterilizer again, the occupation kitchen space has been avoided. In preferred scheme, adopt semiconductor refrigerating plant to come to provide the stoving for the disinfection chamber and use the heat, for cold-stored cold volume of using that provides in cold-stored chamber, it has saved traditional compressor refrigeration structure, and small in size, and power is little, can satisfy the refrigerated requirement of kitchen (cold-stored function and air conditioning function), and the heat that semiconductor refrigerating plant produced can act on in the disinfection chamber simultaneously, realizes the stoving of tableware such as chopsticks ladle in the sterilizer, has promoted the utilization efficiency of energy. In a further preferred scheme, on the basis of the refrigeration cavity component, the cold air source in the refrigeration cavity can be blown to a user who is cooking in front of a pot in a hot kitchen environment through the matching of the fan and the air outlet, cool cold air is blown off, the temperature is reduced, the irritation is reduced, and good experience is provided.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of the embodiment of the present invention (the door of the second casing is not lifted, and the air outlet is not opened);

FIG. 3 is a front view of the embodiment of the present invention (the door of the second casing is lifted to a predetermined position, and the air outlet is opened);

FIG. 4 is a schematic view of a partial structure of the embodiment of the present invention (the door of the second box on the left side is hidden);

FIG. 5 is a schematic view of the internal structure of the first casing according to the embodiment of the present invention;

FIG. 6 is a vertical cross-sectional view of a partial structure of an embodiment of the present invention;

FIG. 7 is a control flow diagram of the sterilization function of the control method of an embodiment of the present invention (interacting with the refrigeration cavity temperature control);

fig. 8 is a control flow chart of an air conditioning function of the control method of the embodiment of the invention;

fig. 9 is a control flowchart (constant temperature range control flow) of the refrigerating function of the control method according to the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 9, a multifunctional range hood includes a range hood main body 10, a sterilization chamber assembly, and a refrigeration chamber assembly. The multifunctional range hood of the embodiment can integrate the functions of oil fume suction, tableware disinfection, food material refrigeration and preservation and air conditioning. The range hood main body 10 can realize a conventional oil smoke suction function, and specifically includes a housing 11 and a fan system (not shown) disposed in the housing 11, where the housing 11 has an air outlet chamber 12. The air outlet chamber 12 has an air inlet 13, and the air inlet 13 is correspondingly located at the bottom of the housing 11. The disinfection chamber subassembly can realize the function of disinfecting the tableware. The refrigeration chamber component has the functions of refrigeration and preservation and air conditioning of food materials.

Referring to fig. 1 and 5, the sterilization chamber assembly includes a first case 20 having a sterilization chamber 21, and a sterilization unit including a heating module 51 and an ozone generating module 53. The first box 20 is disposed on the housing 11 of the range hood main body 10, wherein the first box 20 of the disinfection unit is disposed on the first box 20 and can act on the tableware placed in the disinfection chamber 21, specifically, the tableware is disinfected by ozone generated by the ozone generating module 53 (such as ultraviolet lamp irradiation), and the disinfected tableware is dried by the heating module 51.

Referring to fig. 1, the first casing 20 includes a basket 23 drawably provided in the sterilizing compartment 21, the basket 23 being used for placing dishes.

Referring to fig. 1 and 4, the refrigerating chamber assembly includes a second casing 30 having a refrigerating chamber 33 and a refrigerating unit 52. The refrigerating unit 52 is provided in the second casing 30, and acts on the refrigerating chamber 33, specifically, generates cold energy, and supplies the cold energy to the refrigerating chamber 33 to perform cryopreservation or freshness keeping treatment on the food in the refrigerating chamber 33. The second casing 30 of the present embodiment is also disposed on the housing 11 of the range hood main body 10.

The range hood also comprises a semiconductor refrigerating device with a refrigerating end and a heating end. The semiconductor refrigeration device of the present embodiment is a prior art, and for example, a semiconductor refrigeration device of the present applicant's prior application No. CN201711448403.2, or the semiconductor refrigeration sheet structure in the patent, or other conceivable variant structures based on the semiconductor refrigeration sheet, can be adopted.

Referring to fig. 4 and 5, the second casing 30 of the present embodiment is disposed adjacent to the first casing 20, and the semiconductor refrigeration device is located between the first casing 20 and the second casing 30. Wherein, the heating end of the semiconductor refrigerating device is correspondingly faced to the sterilizing cavity 21 of the first box 20, thereby forming the heating module 51. The refrigerating end of the semiconductor refrigerating device is correspondingly oriented to the refrigerating chamber 33 of the second box body 30, thereby forming the refrigerating unit 52.

Referring to fig. 4 and 5, in order to improve the energy utilization efficiency and reduce the cost of the semiconductor refrigeration device, the sterilization chamber assembly of the present embodiment includes two first cases 20, wherein the second case 30 is located between the two first cases 20. There are also two semiconductor refrigeration devices, which are respectively located between the two first boxes 20 and the second box 30. Therefore, the heat in the disinfection cavity 21 of the first box body 20 can be provided by the heating ends of the two semiconductor refrigerating devices, the heating is faster, and the drying effect is better.

In order to further optimize the structure of the all-in-one machine formed by the range hood main body 10, the sterilization chamber assembly and the refrigeration chamber assembly and improve the aesthetic property thereof, the second box body 30 and the two first box bodies 20 are both arranged at the front side of the shell 11 of the range hood main body 10 and are arranged in sequence in the transverse direction, so as to form a combined box body structure 40, the combined box body structure 40 is positioned above the air inlet 13, and the bottom wall of the combined box body structure 40 forms a smoke baffle plate structure for collecting smoke, which is shown in detail in fig. 3.

For the combined box structure 40, the second box 30 and the first box 20 may share a partition structure, and the semiconductor refrigeration device is correspondingly disposed in the partition. In order to improve the refrigerating effect, a refrigerating panel 34 is disposed on an inner wall of the refrigerating chamber 33 of the second casing 30, and the refrigerating panel 34 is connected to a refrigerating end of the semiconductor refrigerating apparatus. In order to improve the drying effect of the disinfection chamber 21, a first fan 22 for circulating the air flow in the disinfection chamber 21 is further arranged in the first box body 20, and the first fan 22 is arranged to accelerate the air flow circulation in the disinfection chamber 21 and facilitate the rapid discharge of residual ozone after the disinfection is completed.

Referring to fig. 4 and 5, the range hood of the embodiment can omit a traditional compressor refrigeration structure by adopting the semiconductor refrigeration device, the semiconductor refrigeration device has small volume and low power, and can meet the refrigeration requirements of a kitchen (refrigeration function and air conditioning function), and meanwhile, heat generated by the semiconductor refrigeration device can be discharged into the disinfection cavity 21, so that the drying of tableware such as chopsticks and spoons in the disinfection cabinet is realized, and the utilization efficiency of energy is improved.

After the ultraviolet lamp irradiates for sterilization and is heated for a period of time, undecomposed ozone still exists in the inner cavity of the sterilizing chamber, in order to timely remove the undecomposed ozone and avoid the influence of the air in the kitchen, the sterilizing chamber 21 is communicated with the air outlet cavity 12 of the range hood main body 10, and a control valve is arranged in a flow path between the sterilizing chamber 21 and the air outlet cavity 12 to control the on-off. Specifically, a through hole 24 communicating with the air outlet cavity 12 of the range hood main body 10 is disposed on the rear side wall of the first box 20, the control valve of this embodiment is an electromagnetic valve 25, and the electromagnetic valve 25 is connected to the rear side wall of the first box 20 and is communicated with the through hole 24. The electromagnetic valve 25 is electrically connected with the control system, when the exhaust is needed, the electromagnetic valve 25 is controlled to be opened, and when the exhaust is completed, the electromagnetic valve 25 is controlled to be closed, so that the smoke is prevented from entering the disinfection chamber 21.

Referring to fig. 4, in order to monitor the temperature in the refrigerating chamber 33 in real time to control the refrigerating chamber 33 to be in a reasonable temperature range through the control system, a first temperature probe 35 for detecting the temperature in the refrigerating chamber 33 is further included, and specifically, the first temperature probe 35 is disposed on the inner wall of the refrigerating chamber 33. In order to increase the accuracy of the temperature detection, two or more first temperature probes 35 may be provided, arranged in a plurality of location areas on the inner wall of the refrigeration cavity 33.

Referring to fig. 4, a second fan 36 is provided in the second casing 30 of the present embodiment. The second fan 36 is used to accelerate the air flow in the cooling chamber 33, so that the internal temperature is more uniform; on the other hand, when the second fan 36 has a high rotation speed, it can function as a blower fan to quickly discharge the low-temperature air flow inside the kitchen through the air outlet 37, thereby satisfying the air conditioning function.

The second casing 30 of the present embodiment includes a casing body 31 opened at the front, and a door 32 covering an opening position of the casing body 31. The door 32 can move or rotate relative to the box body 31 to open the opening, so that a user can take and place food materials. More specifically, the door 32 of the present embodiment can also move to a set position relative to the box body 31, so that the opening portion (partially) opens to form the air outlet 37 for discharging the air flow. The second fan 36 may be disposed on the rear sidewall of the cooling chamber 33 and face the air outlet 37.

After the door 32 moves to a predetermined position relative to the cabinet body 31 and opens the air outlet 37, the second fan 36 of the second cabinet 30 can provide a certain air pressure to discharge the cool air in the cooling chamber 33 through the air outlet 37, thereby cooling the environment in the kitchen, and thus realizing an air conditioning function. Wherein, the relatively long and narrow bar mouth that above-mentioned air exit 37 can design to make the velocity of flow that blows out the cold air current great relatively, improve the cooling effect in the kitchen, perhaps directly blow to user in-process cooling effectual, improve user experience.

Referring to fig. 1, the box body 31 of the second box 30 of the present embodiment is provided with an electric push rod 41, and a power output end of the electric push rod 41 is connected to the door 32, so as to drive the door 32 to move. The electric push rod 41 is electrically connected with the control system, and after the electric push rod 41 is started, the door body 32 can be driven to act, and the air outlet 37 can be opened or closed. The moving direction of the power output end of the electric push rod 41 can be vertically arranged (the door body 32 moves up and down, and the air outlet 37 is positioned above or below), or horizontally arranged (the door body 32 moves horizontally, and the air outlet 37 is positioned on the left side or the right side). Referring to fig. 2 and 3, the door 32 is shown in a vertical movement.

Referring to fig. 1, the second casing 30 further includes an air cleaning module 42 thereon. When the door 32 moves to the set position, the air purification module 42 can cover the air outlet 37. The air purification module 42 is preferably an activated carbon box device, and the activated carbon box device may be disposed on the door 32 of the second casing 30 or on the casing body 31 of the second casing 30. Accordingly, in order to purify the air in the refrigerating chamber 33 and discharge the purified air to the kitchen environment, the odor is removed, and the user experience is improved.

The activated carbon box device can be detached and replaced. Wherein, be equipped with the windage detection instrument (not shown) in the activated carbon box device, after detecting that the windage is greater than the setting value, remind the user to change through bee calling organ.

Referring to fig. 1 and 2, the extractor hood of this embodiment further includes a second temperature probe 43 for detecting the temperature of the outside air, and an infrared sensor 44 for identifying whether the user is located in front of the air outlet. The second temperature probe 43 can be disposed on the range hood main body 10, the refrigeration chamber assembly or the sterilization chamber assembly, and can only accurately identify the temperature in the kitchen. The infrared sensors 44 may be at least two, and are correspondingly disposed on the left and right sides of the range hood main body 10 or the two second boxes 30 (corresponding to the two cooking holes 60 below the range hood main body 10) to identify whether the user is on the left side or the right side, so that the refrigeration chamber component on the side where the user is located starts the air conditioning function, and provides a targeted cooling experience for the user, and energy waste can be avoided.

The control method of the multifunctional range hood of the embodiment comprises a control process of an air conditioning function, a constant temperature adjustment process of the refrigerating chamber 33 in a non-air conditioning function state and a control process of the sterilizing chamber 21 (including an interaction process with the air conditioning function adjustment).

Referring to fig. 7, the control process of the sterilization chamber of the range hood of the present embodiment includes the following steps:

s1, starting a program;

s2, in a normal working state, the semiconductor refrigerating device is in a low-power running state, the heating end of the semiconductor refrigerating device acts on the disinfection cavity 21 to provide heat for the disinfection cavity 21, so that the disinfection cavity 21 is in a continuous drying state, and the refrigerating end of the semiconductor refrigerating device acts on the refrigerating cavity 33 to provide cold for the refrigerating cavity 33, so that the refrigerating cavity is in a continuous refrigerating state;

s3, when the tableware placed in the sterilizing chamber 21 needs to be sterilized, the ozone generating module 53 of the sterilizing chamber assembly is turned on, after the set time of operation, the ozone generating module 53 is turned off, and then the semiconductor refrigerating apparatus is adjusted to the high power operation state, and after the set time of operation, the semiconductor refrigerating apparatus returns to the low power operation state.

In the step S3, due to the inherent characteristics of the semiconductor refrigerator, a large amount of heat is generated and a large amount of cold is also generated, so that the temperature of the refrigerating chamber 33 may be lower than the set temperature, and the air conditioning function is required to be turned on to dissipate the extra cold.

And S4, detecting the temperature in the refrigerating cavity 33 by the first temperature probe 35 correspondingly arranged in the refrigerating cavity 33 at the same time of the step S3 or after the step S3, acquiring a temperature value T1, judging whether the temperature T1 is lower than the set temperature T1, if so, entering the step S5, and if not, repeating the step.

The number of the first temperature probes 35 may be one, two or more, and the detected temperature value t1 may be an average value or a minimum temperature value among a plurality of detected temperature values.

S5, the second fan 36 is started, the door 32 is moved to a predetermined position relative to the cabinet body 31, the opening is opened to form an air outlet 37 for exhausting air, and the cool air in the cooling chamber 33 is exhausted through the air outlet 37, and then the process returns to S4.

Referring to fig. 8, the control process of the air conditioning function of the range hood of the present embodiment includes the following steps:

the first step, starting a program;

secondly, detecting the room temperature of the kitchen through a second temperature probe 43, acquiring a temperature value T2, judging whether T2 is lower than a set temperature T0, if so, entering a third step, and if not, repeating the step;

a third step of detecting whether the user is positioned in front of the air outlet through an infrared sensor 44, if so, entering a fourth step, and if not, repeating the steps;

a fourth step of adjusting the semiconductor refrigeration device to a high-power operation state, starting the second fan 36, moving the door 32 to a set position relative to the box body 31, opening the opening portion to form an air outlet 37 for exhausting air flow, exhausting cold air in the refrigeration cavity 33 outwards through the air outlet 37, and then performing the next step;

and a fifth step of starting timing when the infrared sensor 44 does not detect the user, acquiring the time length S, judging whether the time length S is more than or equal to the set time length S0, if so, adjusting the semiconductor refrigerating device to a low-power operation state, returning to the third step, and if not, repeating the fifth step.

Wherein, the fourth step further comprises a performance detection step of the activated carbon box device, so that the activated carbon box can be replaced in time after being out of work.

The performance detection step of the activated carbon box device mainly comprises the following steps:

1. detecting the wind resistance through a wind resistance detector arranged in the activated carbon box device to obtain a wind resistance value f;

2. judging whether the wind resistance value F is within a set wind resistance range (F1, F2), if so, increasing the rotating speed of the second fan 36 and increasing the working power of the semiconductor refrigerating device, then the step 1 is carried out, the detection is continued, and if not, the step 3 is carried out;

3. and (3) judging whether the wind resistance value F is larger than F0, if so, prompting a user to replace the activated carbon box device by the buzzer, and if not, then carrying out the step 1 and continuously detecting.

The wind resistance value F0 is larger than F2.

In the fifth step, the value range of S0 is 1min to 5min, preferably 2 min.

In order to timely discharge the air with residual ozone in the disinfection cavity 21 after the disinfection is finished, the disinfection cavity 21 is communicated with the air outlet cavity 12 of the range hood main body 10, the range hood further comprises a control valve correspondingly arranged in a flow path between the disinfection cavity 21 and the air outlet cavity 12, and the control valve is used for switching between the disinfection cavity 21 and the air outlet cavity 12;

after the step S3 is finished, the fan system of the range hood is controlled to start, and the control valve is opened, so that the air with residual ozone in the disinfection chamber 21 is discharged into the air outlet chamber 12 of the range hood main body 10, and the operation of the fan system of the range hood is finished after the set time.

Referring to fig. 9, the process of thermostat adjustment of the cooling chamber 33 in the non-air-conditioning functional state of the range hood of the present embodiment:

1) starting a program;

2) detecting the temperature in the refrigerating cavity 33 through the first temperature probe 35, obtaining a temperature value T1, judging whether T1 is smaller than a set temperature T2, if yes, entering step 3), if not, increasing the refrigerating power of the semiconductor refrigerating device to enable the refrigerating panel 34 to continuously refrigerate, and then returning to the step for continuous detection;

3) and judging whether T1 is greater than the set temperature T1, if yes, controlling the semiconductor refrigeration device to continuously operate in a low-power operation state, returning to the step 2), if not, stopping the semiconductor refrigeration device, and repeating the step 3) for continuous detection.

The set temperature T2 is greater than the set temperature T1, so that the temperature of the refrigerating chamber 33 is controlled within the range of (T1, T2).

The first temperature probe 35 may be one, or two or more, and the detected temperature value t1 may be an average value, or any one of a plurality of detected temperature values, so as to ensure the sensitivity of the control process.

This embodiment is on present trend towards the range hood basis of miniaturization (slimming), the integration has disinfection chamber subassembly and cold-stored chamber subassembly, carry out rational utilization to the space that range hood saved, realize range hood's multi-functional utilization, wherein, the cold-stored walk-in of cold-stored chamber subassembly can be placed the sauce material that needs keep fresh or eat the material, the disinfection chamber 21 of disinfection chamber subassembly can realize the disinfection processing to tableware such as chopsticks, ladle, and needn't additionally add equipment such as refrigerator and sterilizer again, the space in the kitchen of having avoided occuping. In the preferred scheme, adopt semiconductor refrigerating plant to come to provide stoving for disinfection chamber 21 and use the heat, for cold-stored chamber 33 provides cold volume for cold-stored, it has saved traditional compressor refrigeration structure, and small in size, and power is little, can satisfy the refrigerated requirement of kitchen (cold-stored function and air conditioner function), the heat that semiconductor refrigerating plant produced can act on in disinfection chamber 21 body simultaneously, realize the stoving of tableware such as chopsticks ladle in the sterilizer, promoted the utilization efficiency of energy. In a further preferred scheme, on the basis of the refrigeration cavity component, the cold air source in the refrigeration cavity 33 can be blown to a user who is cooking in front of the pot in a hot kitchen environment through the matching of the fan and the air outlet 37, cool cold air is blown off, the temperature is reduced, the dysphoria is reduced, and good experience is provided.

Claims

1. A multifunctional range hood, comprising:

the range hood main body (10) comprises a shell (11) and a fan system arranged in the shell (11), wherein the shell (11) is provided with an air outlet cavity (12);

it is characterized by also comprising:

the disinfection chamber component comprises a first box body (20) with a disinfection chamber (21) and a disinfection unit, wherein the first box body (20) is arranged on the shell (11) of the range hood main body (10), and the disinfection unit is arranged on the first box body (20) and can act on tableware placed in the disinfection chamber (21);

the refrigeration cavity assembly comprises a second box body (30) with a refrigeration cavity (33) and a refrigeration unit (52), wherein the second box body (30) is arranged on the shell (11) of the range hood main body (10), and the refrigeration unit (52) is arranged on the second box body (30) and acts on the refrigeration cavity (33).

2. The multifunctional range hood of claim 1, wherein: the sterilization unit comprises a heating module (51); and

the range hood further comprises a semiconductor refrigerating device with a refrigerating end and a heating end, the second box body (30) is arranged adjacent to the first box body (20), the semiconductor refrigerating device is located between the first box body (20) and the second box body (30), the heating end of the semiconductor refrigerating device correspondingly faces the disinfection cavity (21) of the first box body (20) to form the heating module (51), and the refrigerating end of the semiconductor refrigerating device correspondingly faces the refrigerating cavity (33) of the second box body (30) to form the refrigerating unit (52).

3. The multifunctional range hood of claim 2, wherein: the sterilization chamber assembly comprises two first boxes (20), the second box (30) is located between the two first boxes (20), and the number of the semiconductor refrigerating devices is two correspondingly.

4. The multifunctional range hood of claim 3, wherein: the bottom of range hood main part (10) has air intake (13), second box (30) and two first box (20) are all located the front side of casing (11) of range hood main part (10) to arrange in proper order on horizontal, thereby form combination formula box structure (40), this combination formula box structure (40) are located the top of air intake (13) to constitute the cigarette board structure that keeps off that is used for holding together the cigarette by the diapire of this combination formula box structure (40).

5. The multifunctional range hood of claim 2, wherein: and a refrigerating panel (34) is arranged on the inner wall of the refrigerating cavity (33) of the second box body (30), and the refrigerating panel (34) is connected with the refrigerating end of the semiconductor refrigerating device.

6. The multifunctional range hood of claim 1, wherein: the first box body (20) is also internally provided with a first fan (22) used for circulating the air flow in the disinfection cavity (21).

7. The multifunctional range hood of claim 1, wherein: also included is a first temperature probe (35) for sensing a temperature within the refrigeration cavity (33).

8. The multifunctional range hood according to any one of claims 1 to 7, wherein: the second box (30) is internally provided with a second fan (36), the second box (30) comprises a box body (31) with a front opening and a door body (32) covering the opening position of the box body (31), and the door body (32) can move to a set position relative to the box body (31) to open the opening part to form an air outlet (37) for exhausting air flow.

9. The multifunctional range hood of claim 8, wherein: the refrigerator body is characterized by further comprising an electric push rod (41) arranged on the refrigerator body (31), and the power output end of the electric push rod (41) is connected with the door body (32), so that the door body (32) can be driven to move.

10. The multifunctional range hood of claim 9, wherein: the air purifier also comprises an air purification module (42), wherein the air purification module (42) is arranged on the second box body (30) and can cover the air outlet (37).

11. The multifunctional range hood of claim 8, wherein: the air conditioner also comprises a second temperature probe (43) for detecting the temperature of the outside air and an infrared sensor (44) for identifying whether a user is positioned on the front side of the air outlet.

12. The multifunctional range hood according to any one of claims 1 to 7, wherein: the disinfection unit further comprises an ozone generation module (53) capable of acting on the disinfection chamber (21), the disinfection chamber (21) is communicated with the air outlet chamber (12) of the range hood main body (10), and on-off is controlled by a control valve correspondingly arranged in a flow path between the disinfection chamber (21) and the air outlet chamber (12).

13. The multifunctional range hood of claim 12, wherein: the rear side wall of the first box body (20) is provided with a through hole (24) communicated with the air outlet cavity (12) of the range hood main body (10), the control valve is an electromagnetic valve (25), and the electromagnetic valve (25) is connected with the through hole (24).

14. A control method of the multifunctional range hood as claimed in any one of claims 1 to 12, wherein: the range hood further comprises a semiconductor refrigerating device with a refrigerating end and a heating end, the second box body (30) is arranged adjacent to the first box body (20), the semiconductor refrigerating device is located between the first box body (20) and the second box body (30), the heating end of the semiconductor refrigerating device correspondingly acts on the sterilizing cavity (21) of the first box body (20) to form the heating module (51), and the refrigerating end of the semiconductor refrigerating device correspondingly acts on the refrigerating cavity (33) of the second box body (30) to form the refrigerating unit (52);

the disinfection unit further comprises an ozone generating module (53) capable of acting on the disinfection chamber (21);

the second box (30) is internally provided with a second fan (36), the second box (30) comprises a box body (31) with a front opening and a door body (32) covering the opening position of the box body (31), and the door body (32) can move to a set position relative to the box body (31) to open the opening part to form an air outlet (37) for exhausting air flow.

s1, starting a program;

s2, in a normal working state, the semiconductor refrigerating device is in a low-power running state, the heating end of the semiconductor refrigerating device acts on the disinfection cavity (21) to provide heat for the disinfection cavity (21) so that the disinfection cavity (21) is in a continuous drying state, and the refrigerating end of the semiconductor refrigerating device acts on the refrigerating cavity (33) to provide cold for the refrigerating cavity (33) so that the refrigerating chamber is in a continuous refrigerating state;

s3, when the tableware placed in the disinfection chamber (21) needs to be disinfected, the ozone generating module (53) of the disinfection chamber assembly is started, after the disinfection chamber assembly runs for a set time, the ozone generating module (53) is closed, then the semiconductor refrigerating device is adjusted to be in a high-power running state, and after the disinfection chamber assembly runs for the set time, the semiconductor refrigerating device returns to be in a low-power running state.

S4, detecting the temperature in the refrigerating cavity (33) by the first temperature probe (35) correspondingly arranged in the refrigerating cavity (33) at the same time of the step S3 or after the step S3, acquiring a temperature value T1, judging whether T1 is lower than a set temperature T1, if so, entering the step S5, and if not, repeating the step;

s5, starting the second fan (36), moving the door (32) to a set position relative to the box body (31), opening the opening part to form an air outlet (37) for exhausting air flow, exhausting cold air in the refrigerating chamber (33) outwards through the air outlet (37), and then returning to the step S4.

15. The control method according to claim 14, characterized in that:

the range hood also comprises a second temperature probe (43) for detecting the temperature of the outside air and an infrared sensor (44) for identifying whether a user is positioned on the front side of the air outlet.

the first step, starting a program;

secondly, detecting the room temperature of the kitchen through a second temperature probe (43), acquiring a temperature value T2, judging whether T2 is lower than a set temperature T0, if so, entering a third step, and if not, repeating the step;

a third step of detecting whether the user is positioned in front of the air outlet through an infrared sensor (44), if so, entering a fourth step, and if not, repeating the steps;

a fourth step of adjusting the semiconductor refrigerating device to a high-power operation state, starting a second fan (36), moving a door body (32) to a set position relative to the box body (31), opening the opening part to form an air outlet (37) for exhausting air flow, exhausting cold air in the refrigerating cavity (33) outwards through the air outlet (37), and then performing the next step;

and a fifth step of starting timing when the infrared sensor (44) cannot detect the user, acquiring the time length S, judging whether the time length S is larger than or equal to the set time length S0, if so, adjusting the semiconductor refrigerating device to a low-power operation state, returning to the third step, and if not, repeating the fifth step.

16. The control method according to claim 14, characterized in that:

the disinfection cavity (21) is communicated with the air outlet cavity (12) of the range hood main body (10), the range hood further comprises a control valve which is correspondingly arranged in a flow path between the disinfection cavity (21) and the air outlet cavity (12), and the control valve is used for switching between the disinfection cavity (21) and the air outlet cavity (12);

in the control method, after the step S3 is finished, the fan system of the range hood is controlled to start, and the control valve is opened, so that the air with residual ozone in the disinfection cavity (21) is discharged into the air outlet cavity (12) of the range hood main body (10), and the operation of the fan system of the range hood is finished after the set time.