CN111096686B - Embedded oven - Google Patents

Abstract

The invention relates to an embedded oven, which comprises a door body and a box body, wherein an inner container is arranged in the box body, the door body can open or close the inner container, a cavity separator can be transversely arranged in the inner container in a detachable mode, the cavity separator divides an inner cavity of the inner container into an upper cooking chamber and a lower cooking chamber which are independent from each other up and down, a lower vent pipe is further arranged in the inner container, a bottom heat dissipation channel is arranged at the bottom of the box body, the lower vent pipe is communicated with the lower cooking chamber and the bottom heat dissipation channel, and air outlet of the bottom heat dissipation channel is downwards communicated with the front lower part of the box body. The invention can avoid energy efficiency waste, improve cooking efficiency, avoid food tainting odor and ensure food taste, in addition, hot air generated by the lower cooking chamber can be effectively discharged, the door body is prevented from being pushed open, the heat in the bottom heat dissipation channel can dry the ground below the oven, the oven is prevented from being rusted by the damp ground to influence the service life of the oven, meanwhile, the bacterial breeding can be avoided, and the safety of the use environment of the oven is ensured.

Description

Embedded oven

Technical Field

The invention relates to the field of household cooking devices, in particular to an embedded oven.

Background

An oven is a common cooking device in modern kitchens and can be used for roasting roast chicken, roast duck, roast bread, cakes and the like. The volume of oven inner bag is great, and when the food that needs the baking is less, utilizes whole inner bag space to cook, not only can cause the waste of the energy, compares whole baking speed also slower with the food volume moreover, and baking efficiency is not high. In addition, the existing liner structure is prone to taint of taste when cooking two different foods simultaneously, such as roast chicken and cake. In addition, different foods have different cooking conditions (such as cooking time and cooking temperature), and different foods are cooked in the same cooking space, so that the mouthfeel of the foods is influenced.

When the oven normally works, the highest temperature of the outer side of the oven door glass can reach about 80 ℃, an adult can feel that the outer side of the door body is scalded by touching the door body with hands, and the main reason of the rise of the temperature of the oven door body is as follows: when the oven works, the heating pipe radiates heat to the inner cavity of the oven, and the air heat of the inner container is transferred and radiated to the door body of the oven, so that the temperature of the door body of the oven is increased. In addition, embedded oven is generally placed in the lower-most portion of cupboard, because the needs of cooking operation, the ground of kitchen is generally more moist, especially the ground of oven below department, is difficult to clear up when daily cleaning, and the oven is placed in this kind of environment for a long time, not only can lead to the box to rust and influence the life of oven, and the bacterium is bred easily in moist environment moreover to when using the oven to toast the operation, toast food and have the risk of being polluted by the bacterium.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide an embedded oven that can effectively utilize the cooking space of the inner container and has high cooking efficiency.

The second technical problem to be solved by the present invention is to provide an embedded oven capable of cooking a plurality of dishes simultaneously and ensuring the taste of each dish, aiming at the prior art.

The third technical problem to be solved by the present invention is to provide an embedded oven with uniform heating in view of the prior art.

A fourth technical problem to be solved by the present invention is to provide a built-in oven capable of drying the floor of a kitchen.

The fifth technical problem to be solved by the invention is to provide an embedded oven capable of effectively reducing the temperature of the door body aiming at the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an embedded oven, includes the door body and box, is provided with the inner bag in this box, and this inner bag can be opened or close to above-mentioned door physical stamina, its characterized in that, can be with the horizontal cavity separator of detachable mode in the inner bag, this cavity separator separates the inner chamber of inner bag for independent upper and lower culinary art room, and the inside of this cavity separator is hollow structure, and this hollow structure's upper portion is provided with the zone of heating, and the lower part is provided with down the zone of heating, and is provided with the insulating layer between this upper and lower zone of heating, still be provided with down the permeability cell in the inner bag, and the bottom of box is provided with bottom heat dissipation channel, and above-mentioned permeability cell intercommunication down cooks room and bottom heat dissipation channel, and the air-out of this bottom heat dissipation channel is down accesss to the front lower of box.

The cavity separating part can have various specific implementation modes, and the cavity separating part is of a flat plate structure and comprises a base plate and a cover plate covered and sealed on an opening of the base plate, the periphery of the base plate extends outwards horizontally and is welded with the periphery of the cover plate into a whole, the heat-insulating layer matched with the cross section of the inner cavity is flatly laid in an inner cavity defined by the cover plate and the base plate, the upper heating layer is flatly laid on the lower bottom surface of the cover plate, and the lower heating layer is flatly laid on the inner bottom surface of the base plate.

Preferably, the inner container is provided with a heating pipe, an air heater and a hot air baffle, the heating pipe comprises an upper heating pipe arranged at the top of the inner container, a lower heating pipe arranged at the bottom of the inner container and two back heating pipes respectively arranged at the back of the inner container, the hot air baffle is covered on the back plate of the inner container, the hot air baffle and the back plate enclose a hot air chamber, the two hot air machines are arranged in the hot air chamber up and down, the two back heating pipes are respectively annular in shape and respectively arranged on the corresponding air heaters in an enclosing way, the upper part and the lower part of the hot air baffle are provided with hot air return ports respectively corresponding to the hot air blowers, when the cavity separator is inserted into the inner container, the upper heating pipe, the air heater positioned at the upper part and the back heating pipe corresponding to the upper heating pipe are respectively positioned in the upper cooking chamber, and the lower heating pipe, the other air heater and the corresponding heating pipe are respectively positioned in the lower cooking chamber. In addition, the top, the bottom and the back of each cooking chamber can be heated simultaneously, so that uniform heating of each cooking chamber can be better realized.

The transverse specific implementation modes of the cavity separator in the inner container are various, and one preferable implementation mode is as follows: the utility model discloses a hot-blast baffle of cavity separator, including cavity separator, the inside of the cavity separator is provided with the hot-blast baffle of cavity separator, the side of cavity separator is provided with the side branch frame on the lateral margin of edge, and the outside of should borduring is fixed with the sealing strip along its length direction, be provided with the side branch frame on the left and right lateral wall of inner bag respectively, and the back is provided with hot-blast baffle, and when the cavity separator inserted the inner bag, its left and right sides supported respectively on the side branch frame that corresponds, and the sealing strip of each side offsets with left and right lateral wall and hot-blast baffle respectively.

Another preferred implementation is: the utility model discloses a hot-blast baffle of cavity separator, including the hot-blast baffle of cavity separator, the hot-blast baffle of cavity separator is fixed with the support frame, and the hot-blast baffle of cavity separator is fixed with the sealed limit of U-shaped along circumference peridium, is fixed with the sealing strip along its length direction on this peridium's the outside, the left and right lateral wall of inner bag is fixed with the support frame respectively, and is fixed with the brace groove on the hot-blast baffle, and the appearance of above-mentioned support frame is the form of buckling, including mutually perpendicular's horizontal wall and vertical wall, when the cavity separator inserts the inner bag, the left and right side of cavity separator is shelved respectively on the corresponding horizontal wall, and the sealing strip on the left and right side offsets with the vertical wall that corresponds respectively, and the back side of cavity separator inserts in above-mentioned brace groove, and the periphery side of the sealing strip on the back side rises and tightly in the brace groove, and the interior periphery side of this sealing strip exposes outside.

For conveniently realizing the conversion of the cooking mode of the whole inner container and the modes of the upper cooking chamber and the lower cooking chamber, the back side edge of the cavity separator is provided with a detection piece, the back plate of the box body is provided with a press switch connected with the controller of the oven, when the cavity separator is inserted into the inner container, the detection piece triggers the press switch, and the controller respectively controls the upper cooking chamber and the lower cooking chamber.

Further, preferably, the press switch is a microswitch, a high-temperature-resistant conversion piece is fixed at the free end of the microswitch, the conversion piece comprises a connecting column connected with the microswitch and a contact part fixed at the free end of the connecting column, a heat insulation sleeve is sleeved on the connecting column, the cavity separator is inserted into the inner container, and the detection piece is in contact with the contact part and presses the contact part to trigger the microswitch. Set up high temperature resistant adaptor and can avoid high temperature to cause the influence to micro-gap switch's performance, and the radiation shield can further be isolated high temperature and micro-gap switch to can further protect micro-gap switch.

In order to prevent a user from being scalded by a door body of the oven in work, the door body comprises outer glass and middle glass arranged behind the outer glass, a ventilation gap is reserved between the outer glass and the middle glass, a cold air channel is further arranged at the bottom of the oven body, and air outlet of the cold air channel is communicated with the ventilation gap. The cold air channel leads to the ventilation gap in the door body, thereby fully and effectively cooling the door body and avoiding the oven door body from being too hot and scalding hands.

Preferably, the bottom of the box body is provided with an airflow channel, the bottom heat dissipation channel and the cold air channel are both arranged in the airflow channel, the airflow channel is further provided with a fan and a refrigeration assembly, the fan is located at one end of the airflow channel, air outlet of the fan can enter the cold air channel and the bottom heat dissipation channel through air inlets of the cold air channel and the bottom heat dissipation channel respectively, the refrigeration assembly comprises a cold end and a hot end, the cold end can refrigerate air in the cold air channel, and the hot end can heat air in the bottom heat dissipation channel. Set up refrigeration assembly and make airflow channel inner structure succinct, when the air of cooling cold wind passageway, the heat that its hot junction produced can act on the mist among the bottom heat dissipation channel (the steam of deriving in the inner bag and the air current that the fan blew off), can carry out the drying to mist (contain vapor in the steam) when heating mist to further improve the drying effect to ground.

Further, in order to make the structure of the air flow channel more simple, the air flow channel is transversely arranged at the bottom of the box body, one end of the air flow channel is an inlet, the fan is arranged on the air flow channel, the other end of the air flow channel is an outlet, a partition plate is transversely arranged in the air flow channel and divides the air flow channel into the cold air channel and the bottom heat dissipation channel from top to bottom, the inlet is divided into two parts from top to bottom, the two parts are respectively an air inlet of the cold air channel and an air outlet of the bottom heat dissipation channel, the two parts are respectively air outlets of the cold air channel and the bottom heat dissipation channel, the refrigerating assembly is arranged on the partition plate, the cold end of the refrigerating assembly is positioned in the cold air channel, and the hot end of the refrigerating assembly is positioned in the bottom heat dissipation channel. The installation of the refrigeration assembly can be well realized through the partition plate, meanwhile, the hot end of the refrigeration assembly is positioned in the bottom heat dissipation channel, and the cold end of the refrigeration assembly is positioned in the cold air channel.

In order to enable hot air in the lower cooking chamber to be more efficiently guided to the bottom heat dissipation channel, the upper port of the lower vent pipe is communicated with the bottom liner wall of the inner liner, and the other end of the lower vent pipe vertically extends downwards to enable the lower port of the lower vent pipe to be located in the bottom heat dissipation channel.

Furthermore, the refrigeration component is a semiconductor refrigeration piece, the semiconductor refrigeration piece is embedded in a through hole formed in the partition plate, the cold end of the semiconductor refrigeration piece faces the cold air channel, and the hot end of the semiconductor refrigeration piece faces the bottom heat dissipation channel. The planar cold junction and hot junction can better heating or cooling correspond the air in the passageway to improve the cooling efficiency of cold wind passageway and the heating efficiency of bottom heat dissipation channel.

In order to avoid the influence of the heat transfer between the bottom heat dissipation channel and the cold air channel through the partition plate on the heating efficiency and the cooling efficiency of the bottom heat dissipation channel and the cold air channel, one of the preferable implementation modes is as follows: the baffle adopts thermal-insulated material, for example: and the PP is enhanced by plastic nylon glass fiber.

Another preferred implementation is: the refrigeration assembly is arranged at one end, close to the outlet of the airflow channel, of the partition plate, so that air in the bottom heat dissipation channel is heated and guided into the ventilation gap after encountering the hot end of the refrigeration assembly, and air in the cold air channel is cooled and guided to the front lower part of the box body after encountering the cold end of the refrigeration assembly, heat transfer between hot air in the bottom heat dissipation channel and cold air in the cold air channel through the partition plate is avoided, and energy efficiency waste of the refrigeration assembly can be avoided.

In order to conveniently control the refrigeration assembly, the semiconductor refrigeration pieces are at least two, and each semiconductor refrigeration piece can be opened and closed respectively. Like this can control opening and close of each semiconductor refrigeration piece as required, for example, when closing all semiconductor refrigeration pieces, can cool down the door body through the air-out of fan (cooling efficiency is not as good as the cold wind cooling of cold wind passageway), when opening the semiconductor refrigeration piece of certain number as required, the air in the cold junction cooling cold wind passageway and cool off the door body, and the air in the hot junction heating bottom heat dissipation channel is dried to the ground of preceding below.

In order to better realize the arrangement of the airflow channel structure, an air guide cover is transversely arranged below a bottom plate of the box body, the air guide cover and the bottom surface of the bottom plate are surrounded to form the airflow channel, an air guide plate is sealed on the outlet, a flow guide gap communicated with the ventilation gap is reserved between the upper end of the air guide plate and the front end part of the bottom plate, the front end edges of the partition plate and the air guide cover are abutted against the air guide plate, and a vent hole is distributed at the air guide plate corresponding to an air outlet of the bottom heat dissipation channel. The cold air in the bottom heat dissipation channel can be guided into the ventilation gap through the flow guide gap, and the ventilation holes in the air guide plate can guide the cold air in the bottom heat dissipation channel to the ground below the front of the oven.

For guiding cold air in the cold air channel to the ventilation gap more efficiently, the front end of the partition plate is inclined upwards at the position corresponding to the flow guide gap.

In order to guide the hot air in the bottom heat dissipation channel to the ground in front and below the box body more efficiently, the bottom wall of the air guide cover is downwards inclined from the middle part of the air guide cover.

Further, the bottom of bottom plate is provided with rather than assorted base, and this base includes lower plate, left side board, right side board and dorsal scale board, and this lower plate is parallel with above-mentioned bottom plate and is located the below of this bottom plate, and above-mentioned left side board, right side board and dorsal scale board enclose to be established between bottom plate and lower plate, and above-mentioned aviation baffle seals and establishes in the front side of bottom plate and lower plate, and above-mentioned airflow channel sets up in the space that base and bottom plate enclose, and has laid ventilative mouthful on above-mentioned left side board, right side board and the dorsal scale board respectively.

Compared with the prior art, the invention has the advantages that: according to the invention, the inner cavity of the inner container is divided into the independent upper cooking chamber and the independent lower cooking chamber by the cavity separator, so that one cooking chamber can be selected for cooking when less food is cooked, the waste of energy efficiency caused by using the whole inner container is avoided, and the cooking efficiency can be effectively improved due to the reduction of the heating space; in addition, go up the culinary art room and cook different food with lower cooking chamber ability simultaneous cooking, can not only avoid different food to cross the flavor at the culinary art in-process, can set up the culinary art condition respectively according to the difference of food moreover to can effectively guarantee the taste of food. And, be provided with upper heating layer and lower heating layer in the cavity separator, can heat upper and lower culinary art room respectively through upper and lower heating layer respectively when the oven layering cooks like this to guarantee the homogeneity of each culinary art room heating, further guarantee the taste of food.

In addition, the lower vent pipe is communicated with the inner container and the bottom heat dissipation channel, and the air outlet of the bottom heat dissipation channel is communicated to the front lower part of the oven body, so that the oven is inserted into the cavity separator to work, hot air generated by the lower cooking chamber can be led out of the bottom heat dissipation channel through the lower vent pipe and then is communicated to the front lower part of the oven body through the bottom heat dissipation channel, the hot air generated by the lower cooking chamber during working can be smoothly discharged, the phenomenon that the hot air in the lower cooking chamber expands to push open the door body is avoided, the embedded oven is generally embedded at the lower part of the cabinet, heat in the bottom heat dissipation channel is downwards communicated to the front lower part of the oven body, the ground at the front lower part of the oven is dried, the oven is prevented from rusting due to the moist ground, the service life of the oven is influenced, meanwhile, bacterial breeding can be avoided, and the safety of the use environment of the oven is ensured.

Drawings

Fig. 1 is a schematic structural view of a built-in oven according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a partial structural schematic view of a built-in oven according to embodiment 1 of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is an enlarged view of portion I of FIG. 5;

fig. 7 is another partial structural schematic view of the built-in oven according to embodiment 1 of the present invention;

FIG. 8 is an enlarged view of section II of FIG. 7;

fig. 9 is a partial exploded view illustrating the built-in toaster according to embodiment 1 of the present invention;

FIG. 10 is a partial structural view of a gas flow passage in example 1 of the present invention;

FIG. 11 is a schematic structural view of a partition plate in example 1 of the present invention;

FIG. 12 is a sectional view of a partition plate in example 1 of the present invention;

FIG. 13 is an enlarged view of section III of FIG. 12;

fig. 14 is a partial structural schematic view of a built-in oven according to embodiment 2 of the present invention.

Detailed Description

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

Example 1:

as shown in fig. 1 to 13, an embedded oven includes a door 2 and a box 1, wherein the box 1 is provided with an inner container 10 and a lower vent pipe 64, and the door 2 can open or close the inner container 10. Further, the oven in this embodiment is a dual-fan oven, the inner container 10 is further provided with a heating pipe, an air heater 91 and a hot air baffle 13, the heating pipe includes an upper heating pipe 93 disposed at the top of the inner container 10, a lower heating pipe 94 disposed at the bottom of the inner container 10, and two back heating pipes 92 disposed at the back of the inner container 10, the hot air baffle 13 is covered on the back plate of the inner container 10, the hot air baffle 13 and the back plate form a hot air chamber, the air heaters 91 are disposed in the hot air chamber from top to bottom, the two back heating pipes 92 are respectively annular and respectively surround the corresponding air heater 91, and the hot air baffle 13 is provided with a hot air return opening 131 corresponding to each air heater 91 from top to bottom.

The door body 2 includes an outer glass 21 and an intermediate glass 22 disposed behind the outer glass 21, and a ventilation gap 20 is left between the outer glass 21 and the intermediate glass 22. The bottom of the bottom plate 11 of the box body 1 is provided with a base 3 matched with the bottom plate 11, the base 3 comprises a lower bottom plate 31, a left side plate 32, a right side plate 33 and a back side plate 34, the lower bottom plate 31 is parallel to the bottom plate 11 and is positioned below the bottom plate 11, the left side plate 32, the right side plate 33 and the back side plate 34 are enclosed between the bottom plate 11 and the lower bottom plate 31, the front sides of the bottom plate 11 and the lower bottom plate 31 are sealed with air guide plates 4, and air vents 35 are respectively distributed on the left side plate 32, the right side plate 33 and the back side plate 34. In this embodiment, the bottom plate 11 and the base 3 are designed as a single piece, thereby facilitating the overall assembly of the oven.

An air flow channel 6 is arranged in a space 30 enclosed by the base 3 and the bottom plate 11, the air flow channel 6 includes a cold air channel 61 and a bottom heat dissipation channel 62, wherein the cold air channel 61 leads to the ventilation gap 20 and is discharged from the top end of the ventilation gap 20, and the bottom heat dissipation channel 62 leads to the front lower part of the box body 1 downward. Therefore, the door body 2 can be fully cooled through the cold air channel 61, and the phenomenon that the oven door body 2 is too high in temperature and scalds hands is avoided. In addition, embedded oven generally inlays the dress in the lower-most portion of cupboard, and the bottom heat dissipation channel 62 among the air current passageway 6 leads to the front lower place of box 1 downwards to dry the ground of oven front lower place, prevent that moist ground from making the oven rust and influence its life, also can avoid bacterial growing simultaneously, guarantee oven service environment's security.

In order to achieve smooth air outlet of the cold air channel 61 and the bottom heat dissipation channel 62, a fan 5 and a refrigeration assembly 630 are disposed in the air channel 6, the fan 5 is located at one end of the air channel 6, and the outlet air of the fan 5 can enter the cold air channel 61 and the bottom heat dissipation channel 62 through air inlets of the cold air channel 61 and the bottom heat dissipation channel 62, the refrigeration assembly 630 includes a cold end 630a and a hot end 630b, wherein the cold end 630a can refrigerate air in the cold air channel 61, and the hot end 630b can heat air in the bottom heat dissipation channel 62. Set up refrigeration subassembly 630 and make airflow channel 6 inner structure succinct, can utilize the heat that its hot junction 630b produced to heat bottom heat dissipation channel 62's air when cooling cold wind passageway 61's air, can not only avoid the influence of the heat that produces in refrigeration subassembly 630 work to the oven performance, can reduce the waste of efficiency moreover. In addition, in this embodiment, the fan 5 is a cross-flow fan, and the ventilation opening 35 can provide an air source for the operation of the fan 5.

Further, the structure of the airflow channel 6 is more simplified, the airflow channel 6 is horizontally disposed at the bottom of the box 1, one end of the airflow channel 6 is an inlet 601 and the fan 5 is disposed thereon, the other end of the airflow channel 6 is an outlet 602, a partition 63 is horizontally disposed in the airflow channel 6, the partition 63 vertically partitions the airflow channel 6 into the cold air channel 61 and the bottom heat dissipation channel 62, and vertically partitions the inlet 601 into two parts, which are respectively the air inlets of the cold air channel 61 and the bottom heat dissipation channel 62, and vertically partitions the outlet 602 into two parts, which are respectively the air outlets of the cold air channel 61 and the bottom heat dissipation channel 62, the refrigeration component 8 is disposed on the partition 63, and the cold end 630a of the refrigeration component 630 is disposed in the cold air channel 61, and the hot end 630b is disposed in the bottom heat dissipation channel 62. The installation of the cooling module 630 is also preferably accomplished by the partition 63, with the hot end 630b of the cooling module 630 being located in the bottom heat dissipation channel 62 and the cold end 630a being located in the cool air channel 61.

A cavity partition 81 may be detachably provided in the inner container 10 in a horizontal direction, and the cavity partition 81 may vertically partition the inner cavity of the inner container 10 into an upper cooking chamber 10a and a lower cooking chamber 10 b. The cavity separator 81 divides the inner cavity of the inner container 10 into the independent upper cooking chamber 10a and the independent lower cooking chamber 10b, when the cooked food is less, one cooking chamber can be selected for cooking, the waste of energy efficiency caused by the use of the whole inner container 10 is avoided, and the cooking efficiency can be effectively improved due to the reduction of the heating space; in addition, go up cooking chamber 10a and cook different food down with cooking chamber 10b simultaneously, can not only avoid different food to cross the flavor at the culinary art in-process, can set up the culinary art condition respectively according to the difference of food moreover to can effectively guarantee the taste of food. In this embodiment, when the cavity separator 81 is inserted into the inner container 10, the upper heating pipe 93, the upper air heater 91 and the corresponding back heating pipe 92 are respectively located in the upper cooking chamber 10a, and the lower heating pipe 94, the other air heater 91 and the corresponding heating pipe are respectively located in the lower cooking chamber 10 b. Thus, the upper cooking chamber 10a is more suitable for cooking cookies, biscuits, etc., and the lower cooking chamber 10b is more suitable for cooking meat foods.

Further, the cavity separator 81 includes a bottom plate 81b and a cover plate 81a covering the opening of the bottom plate 81b, the periphery of the bottom plate 81b extends horizontally outwards and is welded with the periphery of the cover plate 81a into a whole, a heat insulation layer 814 (in this embodiment, the heat insulation layer 814 is a mica plate) matched with the cross section of the inner cavity is tiled in the inner cavity surrounded by the cover plate 81a and the bottom plate 81b, the upper heating layer 815 is tiled on the lower bottom surface of the cover plate 81a, and the lower heating layer 816 is tiled on the inner bottom surface of the bottom plate 81b, so that the upper and lower cooking chambers 10a and 10b can be heated by the upper and lower heating layers 815 and 816 respectively, thereby ensuring the heating uniformity of each cooking chamber and further ensuring the taste of food. In this embodiment, the base plate 81b and the cover plate 81a are both made of enamel plates, the upper and lower heating layers 815 and 816 are thick film heating plates, the thickness of the thick film heating plates is 0.5mm, and the power is 600-6000W.

The side edge of the cavity separator 81 is coated with a U-shaped edge 812 along the circumferential direction, the outside of the edge 812 is fixed with a sealing strip 813 (resistant to high temperature of 250 ℃ and capable of continuously baking for more than 4 hours) along the length direction, the left and right side walls of the inner container 10 are respectively provided with a side bracket 12, the back surface is provided with a hot air baffle 13, when the cavity separator 81 is inserted into the inner container 10, the left and right sides of the cavity separator 81 are respectively supported on the corresponding side brackets 12, and the sealing strips 813 of each side are respectively abutted against the left and right side walls and the hot air baffle 13, so that the upper and lower cooking chambers 10a and 10b can be completely separated through the cavity separator 81, and the occurrence of odor tainting and heat tainting between the two cooking chambers can be effectively avoided.

The oven of the present invention can have a variety of modes of operation:

1. the upper cooking chamber 10a operates alone: the temperature control probe (not shown) at the upper part feeds back the temperature in real time, and the controller 16 of the oven controls the upper heating pipe 93, the hot air blower 91 at the upper part and the corresponding back heating pipe 92 to work, so that the upper cooking chamber 10a can work alone to bake food;

2. the lower cooking chamber 10b works alone: the temperature control probe (not shown) at the lower part feeds back the temperature in real time, and the controller 16 of the oven controls the lower heating pipe 94, the air heater 91 at the lower part and the corresponding back heating pipe 92 to work, so that the lower cooking chamber 10b can work alone to bake food;

3. the upper and lower cooking chambers 10b operate simultaneously: the temperature control probe at the upper part feeds back the temperature in real time, and the controller 16 of the oven controls the upper heating pipe 93, the air heater 91 at the upper part and the corresponding back heating pipe 92 to work; the temperature control probe at the lower part feeds back the temperature in real time, and the controller 16 of the oven controls the lower heating pipe 94, the air heater 91 at the lower part and the corresponding back heating pipe 92 to work; thereby realizing the layered temperature control of the upper cooking chamber 10a and the lower cooking chamber 10b and simultaneously baking the food with different temperatures. In this embodiment, the total volume of the inner container (not shown) is 60L, and the volumes of the upper and lower cooking chambers 10b are both 30L.

In order to conveniently realize the switching of the above various operation modes, a horizontally extending detection member 811 is fixed on the back side edge of the cavity partition 81, and a push switch 82 connected with the controller 16 of the oven is installed on the back plate of the box body 1, when the cavity partition 81 is inserted into the inner container 10, the detection member 811 triggers the push switch 82, and the controller 16 controls the upper and lower cooking chambers 10a, 10b, respectively. Specifically, the push switch 82 is a micro switch, a high temperature resistant converter 83 is fixed to a free end of the micro switch, the converter 83 includes a connecting post 831 connected to the micro switch and a contact portion 832 fixed to the free end of the connecting post 831, a heat insulating sleeve 84 is sleeved on the connecting post 831, and the detecting member 811 is a cylindrical structure. When the chamber separator 81 is inserted into the inner container 10, the detector 811 contacts the contact portion 832 and presses the contact portion 832 to trigger the micro switch. The high temperature resistant transition piece 83 is arranged to avoid the influence of high temperature on the performance of the micro switch, and the heat insulation sleeve 84 is used for isolating the high temperature from the micro switch, so that the micro switch can be further protected.

Further, above-mentioned ventilative pipe 64 intercommunication lower cooking chamber 10b and bottom heat dissipation channel 62 down, during oven inserted cavity separator 81 work like this, the steam accessible ventilative pipe 64 derivation bottom heat dissipation channel 62 that lower cooking chamber 10b produced, lead to the front lower place of box 1 through this bottom heat dissipation channel 62 next, can not only make the steam that lower cooking chamber 10b during operation produced smoothly arrange outward, avoid the steam inflation in the lower cooking chamber 10b and push open door body 2. Specifically, the hot air outlet 101 has been seted up on the bottom courage wall of inner bag 10, the last port of lower permeability cell 64 is connected on this hot air outlet 101, the bottom plate 11 of box 1 is passed to lower permeability cell 64 lower extreme, with set up the hot air inlet 633 on baffle 63, make during hot air can get into bottom radiating passage 62, and seted up bleeder vent 641 on the lower terminal surface of this lower permeability cell 64, thereby can let in bottom radiating passage 62 through the hot air of lower permeability cell 64 in with inner bag 10, and finally blow the front lower place to box 1 downwards. In this embodiment, the hot air generated in the upper cooking chamber 10a is discharged outside through the original top heat dissipation channel of the oven.

In this embodiment, the refrigerating assembly 630 is a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is embedded in a through hole 631 formed in the partition plate 63, the periphery of the semiconductor refrigerating sheet is sealed by a heat insulating sealing ring 632, the cold end 630a of the semiconductor refrigerating sheet faces the cold air channel 61, and the hot end 630b faces the bottom heat dissipation channel 62. The cold end 630a and the hot end 630b having the flat shape can heat or cool the air in the corresponding channels better, thereby improving the cooling efficiency of the cold air channel 61 and the heating efficiency of the bottom heat dissipation channel 62. In this embodiment, four semiconductor cooling fins are arranged on the partition plate 63 at intervals in parallel. In addition, in order to conveniently control the refrigerating assembly 630, the semiconductor refrigerating pieces are at least two, and each semiconductor refrigerating piece can be opened and closed respectively. Like this can control the opening and close of each semiconductor refrigeration piece as required, for example, when closing all semiconductor refrigeration pieces, can cool down (the cooling efficiency is less than the cold wind cooling of cold wind passageway 61) to the door body 2 through the air-out of fan 5, when opening the semiconductor refrigeration piece of certain quantity as required, the air in cold junction 630a cooling cold wind passageway 61 cools off the door body 2, and the air in hot junction 630b heating bottom heat dissipation passageway 62 is dried the ground of preceding below.

In order to avoid the heat transfer between the bottom heat dissipation channel 62 and the cool air channel 61 through the partition 63 from affecting the heating efficiency and the cooling efficiency of the two, one preferred implementation is as follows: the partition 63 is made of a heat insulating material, for example: and the PP is enhanced by plastic nylon glass fiber. Another preferred implementation is: the refrigerating assembly 630 is disposed at one end of the partition 63 adjacent to the outlet of the airflow channel 6, so that the air in the bottom heat dissipation channel 62 meets the hot end 630b of the refrigerating assembly 630 and is heated and guided into the ventilation gap 20, and the air in the cold air channel 61 meets the cold end 630a of the refrigerating assembly 630 and is cooled and guided to the front lower portion of the box body 1, thereby preventing the hot air in the bottom heat dissipation channel 62 and the cold air in the cold air channel 61 from heat transfer through the partition 63, and simultaneously avoiding energy efficiency waste of the refrigerating assembly 630. In this embodiment, the two manners are combined, that is, the partition 63 is made of a heat insulating material, and the refrigerating assembly 630 is disposed at one end of the partition 63 adjacent to the outlet of the airflow channel 6, so as to achieve a better effect.

The airflow channel 6 may have a plurality of specific implementation manners, in this embodiment, an air guiding cover 7 is transversely disposed below the bottom plate 11 of the box body 1, a longitudinal section of the air guiding cover 7 is bent, and includes a bottom wall 71, a left side wall 72, and a right side wall 73, and a cross section of the air guiding cover 7 is in a trapezoid shape, the air guiding cover 7 and a bottom surface of the bottom plate 11 enclose to form the airflow channel 6, an inlet 601 of the airflow channel 6 is located at a narrower end of the air guiding cover 7, and an outlet 602 is located at a wider end of the air guiding cover 7. The outlet 602 is sealed with an air deflector 4, a flow guiding gap 100 communicating with the ventilation gap 20 is left between the upper end of the air deflector 4 and the front end of the bottom plate 11, the front end edges of the partition plate 63 and the air guiding cover 7 are both abutted against the air deflector 4, and a vent hole 41 is arranged at the air deflector 4 corresponding to the air outlet of the bottom heat dissipation channel 62. The cool air in the bottom heat dissipation channel 62 can be guided into the ventilation gap 20 through the guiding slits 100, and the ventilation holes 41 on the air deflector 4 can guide the cool air in the bottom heat dissipation channel 62 to the ground below and in front of the oven. Further, in order to guide the cool air in the cool air passage 61 to the ventilation gap 20 more efficiently, the front end of the partition 63 is inclined upward at the position corresponding to the diversion gap 100, and in this embodiment, the included angle between the front end of the partition 63 and the horizontal plane is 15 degrees. In order to guide the hot air in the bottom heat dissipation channel 62 to the ground in the front and lower part of the box 1 more efficiently, the bottom wall 71 of the wind scooper 7 is inclined downward from the middle part thereof, and the inclined part of the bottom wall 71 in this embodiment forms an angle of 15 degrees with the horizontal plane.

Example 2:

as shown in fig. 14, in the present embodiment, as different from embodiment 1, a support frame 14 is fixed on each of the left and right side walls of the inner container 10, the hot air baffle 13 is fixed with a supporting groove 15, the supporting frame 14 is bent and comprises a horizontal wall 142 and a vertical wall 141 which are vertical to each other, when the cavity separator 81 is inserted into the inner container 10, the left and right sides of the cavity separator 81 are respectively placed on the corresponding horizontal wall 142, and the sealing strips 813 on the left and right side edges are respectively abutted against the corresponding vertical walls 141, the back side edge of the cavity divider 81 is inserted into the supporting groove 15, and the outer peripheral side of the weather strip 813 on the back side is tightened in each support groove 15, while the inner peripheral side of the weather strip 813 is exposed to the outside, therefore, the upper cooking chamber 10a and the lower cooking chamber 10b can be completely separated by the cavity separating piece 81, and the occurrence of odor and heat leakage between the two cooking chambers can be effectively avoided.

Claims (15)

1. An embedded oven comprises a door body (2) and an oven body (1), wherein a liner (10) is arranged in the oven body (1), the door body (2) can open or close the liner (10), the embedded oven is characterized in that a cavity separator (81) can be transversely arranged in the liner (10) in a detachable mode, the cavity separator (81) can vertically separate the inner cavity of the liner (10) into an upper cooking chamber (10a) and a lower cooking chamber (10b), the interior of the cavity separator (81) is of a hollow structure, an upper heating layer (815) is arranged at the upper part of the hollow structure, a lower heating layer (816) is arranged at the lower part of the hollow structure, and a heat insulation layer (814) is arranged between the upper heating layer (815) and the lower heating layer (816),

the inner container (10) is also provided with a lower vent pipe (64), the bottom of the box body (1) is provided with a bottom heat dissipation channel (62), the lower vent pipe (64) is communicated with the lower cooking chamber (10b) and the bottom heat dissipation channel (62), and the air outlet of the bottom heat dissipation channel (62) is downwards communicated to the front lower part of the box body (1),

the cavity separating part (81) is of a flat plate structure and comprises a base plate (81b) and a cover plate (81a) covering and sealing the opening of the base plate (81b), the periphery of the base plate (81b) extends outwards horizontally and is welded with the periphery of the cover plate (81a) into a whole, the heat insulating layer (814) matched with the cross section of the inner cavity is flatly paved in the inner cavity surrounded by the cover plate (81a) and the base plate (81b), the upper heating layer (815) is flatly paved on the lower bottom surface of the cover plate (81a), the lower heating layer (816) is flatly paved on the inner bottom surface of the base plate (81b),

the heating pipe comprises an upper heating pipe (93) arranged at the top of the inner container (10), a lower heating pipe (94) arranged at the bottom of the inner container (10) and two back heating pipes (92) respectively arranged at the back of the inner container (10), the hot air baffle (13) is covered on a back plate of the inner container (10), the hot air baffle (13) and the back plate form a hot air chamber, the hot air heaters (91) are arranged in the hot air chamber from top to bottom, the two back heating pipes (92) are respectively annular in shape and respectively surround the corresponding hot air heaters (91), the hot air baffles (13) are provided with hot air backflow ports (131) respectively corresponding to the hot air heaters (91) from top to bottom, and when the cavity separator (81) is inserted into the inner container (10), the upper heating pipe (93), the air heater (91) positioned at the upper part and the back heating pipe (92) corresponding to the air heater are respectively positioned in the upper cooking chamber (10a), and the lower heating pipe (94), the other air heater (91) and the corresponding heating pipe are respectively positioned in the lower cooking chamber (10 b).

2. The built-in toaster according to claim 1, wherein the side edges of the cavity divider (81) are circumferentially coated with a U-shaped rim (812), the outer side of the rim (812) having a sealing strip (813) affixed along its length,

the left side wall and the right side wall of the inner container (10) are respectively provided with a side bracket (12), when the cavity separator (81) is inserted into the inner container (10), the left side and the right side of the cavity separator are respectively supported on the corresponding side brackets (12), and the sealing strips (813) on each side are respectively abutted against the left side wall, the right side wall and the hot air baffle (13).

3. The built-in toaster according to claim 1, wherein the side edges of the cavity divider (81) are circumferentially coated with a U-shaped rim (812), the outer side of the rim (812) having a sealing strip (813) affixed along its length,

the hot air baffle plate is characterized in that support frames (14) are respectively fixed on the left side wall and the right side wall of the inner container (10), support grooves (15) are fixed on the hot air baffle plate (13), the support frames (14) are bent and comprise horizontal walls (142) and vertical walls (141) which are perpendicular to each other, when the cavity partition (81) is inserted into the inner container (10), the left side edge and the right side edge of the cavity partition (81) are respectively placed on the corresponding horizontal walls (142), sealing strips (813) on the left side edge and the right side edge are respectively abutted against the corresponding vertical walls (141), the back side edge of the cavity partition (81) is inserted into the support grooves (15), the outer peripheral side edge of the sealing strip (813) on the back side edge is tensioned in the support grooves (15), and the inner peripheral side of the sealing strip (813) is exposed outside.

4. The built-in oven according to any one of claims 1 to 3, characterized in that a detection member (811) is provided on a rear side edge of the cavity partition (81), and a push switch (82) connected to a controller (16) of the oven is installed on a rear plate of the case (1), and when the cavity partition (81) is inserted into the inner container (10), the detection member (811) triggers the push switch (82), and the controller controls the upper and lower cooking chambers (10b), respectively.

5. The built-in oven according to claim 4, characterized in that the push switch (82) is a microswitch, a high temperature resistant converter (83) is fixed at a free end of the microswitch, the converter (83) comprises a connecting post (831) connected with the microswitch and a contact part (832) fixed at the free end of the connecting post (831), a heat insulating sleeve (84) is sleeved on the connecting post (831), and the detection part (811) contacts with the contact part (832) and pushes the contact part (832) to trigger the microswitch when the cavity separator (81) is inserted into the inner container (10).

6. The built-in oven according to claim 1, characterized in that the door (2) comprises an outer glass (21) and a middle glass (22) arranged behind the outer glass (21), a ventilation gap (20) is left between the outer glass (21) and the middle glass (22), the bottom of the oven body (1) is further provided with a cold air channel (61), and the outlet air of the cold air channel (61) is communicated to the ventilation gap (20).

7. The built-in oven according to claim 6, characterized in that the bottom of the box (1) is provided with an air flow channel (6), the bottom heat dissipation channel (62) and the cold air channel (61) are both arranged in the air flow channel (6), in addition, a fan (5) and a refrigeration component (630) are arranged in the airflow channel (6), the fan (5) is positioned at one end of the airflow channel (6), and the outlet air can respectively enter the cold air channel (61) and the bottom heat dissipation channel (62) through the air inlets of the cold air channel (61) and the bottom heat dissipation channel (62), the refrigeration assembly (630) includes a cold side (630a) and a hot side (630b), wherein the cold end (630a) is capable of refrigerating air in the cold air passage (61), and the hot end (630b) is capable of heating the air in the bottom heat sink channel (62).

8. The built-in oven according to claim 7, characterized in that the air flow channel (6) is horizontally disposed at the bottom of the oven body (1), one end of the air flow channel is an inlet (601) and is provided with the fan (5), the other end of the air flow channel is an outlet (602), a partition (63) is horizontally disposed in the air flow channel (6), the partition (63) vertically divides the air flow channel (6) into the cold air channel (61) and the bottom heat dissipation channel (62), and the inlet (601) is vertically divided into two parts, which are respectively the air inlets of the cold air channel (61) and the bottom heat dissipation channel (62), and the outlet is vertically divided into two parts, which are respectively the air outlets of the cold air channel (61) and the bottom heat dissipation channel (62),

the refrigerating assembly (630) is arranged on the partition plate (63), a cold end (630a) of the refrigerating assembly (630) is positioned in the cold air channel (61), and a hot end (630b) is positioned in the bottom heat dissipation channel (62).

9. The built-in toaster according to claim 8, wherein said lower vent tube (64) has an upper end communicating with a bottom container wall of said inner container (10) and another end extending vertically downward with its lower end positioned in said heat dissipating channel (62).

10. The built-in oven according to claim 8, characterized in that said cooling assembly (630) is a semiconductor cooling plate inserted in a through hole (631) made in the partition (63) and having a cold end (630a) facing the cold air channel (61) and a hot end (630b) facing the bottom heat dissipation channel (62).

11. The built-in oven according to claim 8, 9 or 10, characterized in that said partition (63) is made of insulating material or said cooling assembly (630) is arranged at the end of the partition (63) adjacent to the outlet (602) of the air flow channel (6).

12. The built-in oven according to claim 8, 9 or 10, characterized in that a wind scooper (7) is transversely arranged below the bottom plate (11) of the oven body (1), the wind scooper (7) and the bottom surface of the bottom plate (11) are enclosed to form the airflow channel (6), the outlet (602) is sealed and provided with a wind deflector (4), the upper end of the wind deflector (4) and the front end of the bottom plate (11) are provided with a wind guiding gap (9) communicated with the ventilation gap (20), the front end edges of the partition plate (63) and the wind scooper (7) are both abutted against the wind deflector (4), and a vent hole (41) is arranged at the wind deflector (4) corresponding to the air outlet of the bottom heat dissipation channel (62).

13. The built-in oven according to claim 12, characterized in that the front end of said partition (63) is inclined upward in correspondence with said deflector slit (9).

14. The built-in oven according to claim 12, characterized in that the bottom wall (71) of said air deflector (7) is inclined downwards from its middle.

15. The built-in oven according to claim 12, characterized in that the bottom of the base plate (11) is provided with a base (3) matching with the base, the base (3) comprises a lower base plate (31), a left side plate (32), a right side plate (33) and a back side plate (34), the lower base plate (31) is parallel to the base plate (11) and is located below the base plate (11), the left side plate (32), the right side plate (33) and the back side plate (34) are enclosed between the base plate (11) and the lower base plate (31), the air guiding plate (4) is enclosed at the front side of the base plate (11) and the lower base plate (31), the air flow channel (6) is arranged in a space (30) enclosed by the base (3) and the base plate (11), and the left side plate (32), the right side plate (33) and the back side plate (34) are respectively provided with air vents (35).

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