CN211795977U - Baking oven - Google Patents

Abstract

The utility model relates to an oven, including casing and the inner bag of setting in this casing, a serial communication port, the clearance that forms between each lateral wall of inner bag and the corresponding curb plate of casing communicates each other, still including the heat dissipation channel of utensil fan, and this heat dissipation channel has seted up the fresh air inlet on the curb plate of above-mentioned casing including the inlet air duct of utensil air intake and the air-out passageway of utensil air outlet, and this fresh air inlet communicates with each other with above-mentioned inlet air duct's air intake phase fluid, and above-mentioned air-out passageway sets up and communicates with each other with the external world in the bottom of casing and its air outlet. Compared with the prior art, the utility model discloses a to each curb plate of casing and bottom plate heat dissipation to effectively avoid oven working process in the high temperature and lead to the too high and life who influences the cupboard of cupboard temperature rise.

Description

Baking oven

Technical Field

The utility model relates to a culinary art device field especially relates to an oven.

Background

The oven is a cooking device for baking food, the back of the inner container of the oven is provided with a hot air baffle with an air inlet and an air outlet, the hot air baffle and the back side plate of the inner container enclose a hot air chamber, an air heater and a back heating pipe are arranged in the hot air chamber, and the back heating pipe is annular in shape and is arranged at the periphery of the air heater. In the cooking process, air flow in the inner container of the oven enters the hot air chamber through the air inlet on the hot air baffle plate, after being heated in the hot air chamber, the air flow flows back to the inner container through the air outlet on the hot air baffle plate under the centrifugal action of the hot air blower, and the heated hot air can heat and bake food in the inner container. Therefore, when the oven works, the inner container of the oven transfers heat to each side wall, so that the temperature rise of the side walls and the bottom wall is too high. Furthermore, the oven is usually embedded in the cabinet, and it is necessary to ensure that the temperatures of the left and right side plates and the rear cover plate of the oven are lower than 70 degrees, and the temperature of the bottom plate is lower than 90 degrees to avoid the deformation of the cabinet due to heating, thereby prolonging the service life of the cabinet.

Disclosure of Invention

The utility model aims to solve the first technical problem that provides an oven that can effectively avoid curb plate and bottom plate high temperature to prior art.

The second technical problem to be solved by the utility model is to provide an oven with warm dish, heat preservation effect to prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an oven comprises a casing and an inner container arranged in the casing, and is characterized in that gaps formed between each side wall of the inner container and a corresponding side plate of the casing are communicated with each other, the oven also comprises a heat dissipation channel with a fan, the heat dissipation channel comprises an air inlet channel with an air inlet and an air outlet channel with an air outlet, an air inlet hole is formed in the side plate of the casing and is in fluid communication with the air inlet of the air inlet channel, the air outlet channel is arranged at the bottom of the casing, and the air outlet of the air outlet channel is communicated with the outside.

In order to better cool each side plate of the casing, the number of the air inlet channels is two, each air inlet channel is respectively arranged in a gap formed by the left side wall and the right side wall of the inner container and the left side plate and the right side plate of the casing, air inlet holes are respectively arranged on the left side plate and the right side plate of the casing, and each air inlet hole is respectively communicated with the air inlet of the corresponding air inlet channel in a fluid mode.

Further, preferably, the left side and the right side of the inner container are respectively provided with an air inlet cover, each air inlet cover is respectively covered on the inner surface of the corresponding side plate of the casing to form the air inlet channel, the cover opening of each air inlet cover forms the air inlet of the corresponding air inlet channel, the part of the casing side plate corresponding to the cover opening of each air inlet cover is respectively provided with the air inlet hole, the lower end of each air inlet cover is provided with a first notch, the left side and the right side of the upper end of each air inlet cover are respectively provided with a second notch, the first notches and the corresponding casing side plates form the air guide opening of the air outlet channel, and the second notches and the corresponding casing side plates form the flow guide opening of the air outlet channel.

The air flow between the gaps formed between the side walls of the inner container and the corresponding side plates of the casing can be further promoted through the flow guide openings, so that the outside cold air can be better cooled for the side plates of the casing. Further, preferably, the area of the cross section of each air inlet cover is reduced from top to bottom, and the height of each flow guide opening is at least 1/2 corresponding to the height of the side plate of the enclosure.

Furthermore, the heat dissipation channel further comprises a volute channel arranged at the bottom of the casing, the fan is a centrifugal fan and is arranged in the volute channel, an air inlet cavity is arranged at the air inlet end of the volute channel, the air inlet cavity is communicated with the inside of the volute channel through an air inlet port arranged on the volute channel, two ventilation openings are formed in the air inlet cavity, each ventilation opening is respectively in fluid communication with the corresponding air guide port of the air inlet channel, and the air outlet port of the volute channel is in fluid communication with the air inlet port of the air outlet channel. The two air inlet channels can more stably supply air to the volute channel through the arrangement of the air inlet cavity.

The volute passage may have a plurality of specific implementation manners, and preferably, the heat dissipation passage further includes a volute casing cover, the volute casing cover is covered on the lower surface of the casing bottom plate to form the volute passage, a partition plate is transversely arranged at the upper end of the volute casing cover, the partition plate is provided with the air inlet port, the partition plate, the volute casing cover side wall on the upper portion of the partition plate and the casing bottom plate enclose the air inlet cavity, the side walls of the air vents of the air inlet cavity respectively extend outwards to form ventilation covers, the ventilation covers are covered on the lower surface of the casing bottom plate to respectively form ventilation pipes, and the free end ports of the ventilation pipes are respectively communicated with the air guide ports of the corresponding air inlet passages.

The volute channel can be realized in various specific modes, an object placing cavity for placing an object to be insulated is further arranged below the casing, and a warm air inlet of the object placing cavity is in fluid communication with an air outlet of the air outlet channel. The hot air blown out from the air outlet of the air outlet channel can be used for heating and insulating the articles in the storage cavity, so that the heat generated during the operation of the oven can be fully utilized. For example, food to be kept warm can be put into the storage cavity, and warm air blown out through the air outlet channel keeps warm for the food in the storage cavity. In addition, tableware such as bowls and chopsticks can be placed in the storage cavity, and dishes can be warmed through warm air blown out of the air outlet channel.

In order to better heat the articles in the storage cavity by the air outlet of the air outlet channel, preferably, the storage box is arranged below the casing, the inner cavity of the storage box forms the storage cavity, the back side plate of the storage box is provided with the warm air inlet, the side wall of the air outlet channel is provided with an air outlet cover, and the air outlet of the air outlet cover is opposite to the warm air inlet.

In order to further improve the heating effect on the articles in the article placing cavity, a bottom heating pipe is installed on the bottom plate of the casing, a warm air inlet is formed in the bottom plate, a warm air inlet is formed in the air outlet end of the air outlet channel, and the warm air inlet is communicated with the warm air inlet through a warm air pipeline.

Further, put and be provided with the temperature sensor with the controller signal of electricity connection of oven on the box, can monitor the temperature of putting the box like this through temperature sensor to promote the heating effect of putting the box, convenience of customers uses.

Compared with the prior art, the utility model has the advantages of: because the fresh air inlet has been seted up on the casing curb plate, like this under the effect of fan, during external cold air passed through the fresh air inlet and gets into the clearance that the curb plate of inner bag and casing formed, thereby drive the air current in this clearance and flow, realize the cooling to the casing curb plate, the air-out passageway sets up in chassis bottom simultaneously, the air-out through the air-out passageway can be taken away the heat of casing diapire, and then the realization is to the cooling of chassis bottom, then can effectively avoid oven working process in the high temperature and lead to the too high life that influences the cupboard temperature rise.

Drawings

Fig. 1 is a schematic structural diagram of an oven according to an embodiment of the present invention;

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

FIG. 3 is a schematic view of the structure of FIG. 1 in still another direction;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a schematic view of a partial structure of an oven according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 in another direction;

fig. 8 is an exploded view of a partial structure of an oven according to an embodiment of the present invention;

fig. 9 is a sectional view of a partial structure of a heat dissipation channel according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 9, an oven includes a casing 1 and an inner container 2 disposed in the casing 1, and gaps formed between side walls of the inner container 2 and corresponding side plates of the casing 1 are communicated with each other. Further, the heat dissipation device further comprises a heat dissipation channel 3 with a fan 30, the heat dissipation channel 3 comprises an air inlet channel 31 with an air inlet and an air outlet channel 32 with an air outlet 321, an air inlet 14 is formed on a side plate of the casing 1, the air inlet 14 is in fluid communication with the air inlet of the air inlet channel 31, the air outlet channel 32 is arranged at the bottom of the casing 1, and the air outlet 321 is communicated with the outside. Owing to seted up the fresh air inlet 14 on the 1 curb plate of casing, like this under the effect of fan 30, external cold air passes through the fresh air inlet 14 and gets into in the clearance that the curb plate of inner bag 2 and casing 1 formed, thereby it flows to drive air current in this clearance, realize the cooling to the 1 curb plate of casing, air-out passageway 32 sets up in casing 1 bottom simultaneously, the heat of 1 diapire of casing is taken away to the play wind energy through air-out passageway 32, and then the realization is to the cooling of casing 1 bottom, then can effectively avoid oven working process in the high temperature and lead to the too high and life that influences the cupboard of cupboard temperature rise.

In order to better cool down each side plate of the casing 1, in this embodiment, there are two air inlet channels 31, each air inlet channel 31 is respectively disposed in the gap formed by the left and right side walls of the liner 2 and the left and right side plates 11, 12 of the casing 1, and the left and right side plates 11, 12 of the casing 1 are respectively provided with an air inlet hole 14, and each air inlet hole 14 is respectively in fluid communication with the air inlet of the corresponding air inlet channel 31. Specifically, the left and right sides of the inner container 2 are respectively provided with an air inlet cover 4, each air inlet cover 4 is respectively covered on the inner surface of the corresponding side plate of the machine shell 1 to form the air inlet channel 31, the cover openings of the air inlet covers 4 form the air inlets of the corresponding air inlet channels 31, the air inlet holes 14 are respectively arranged on the side plates of the machine shell 1 corresponding to the cover openings of the air inlet covers 4, the lower end of each air inlet cover 4 is provided with a first notch 41, the left side and the right side of the upper end are respectively provided with a second notch 42, and each first gap 41 and the corresponding side plate of the casing 1 enclose an air guiding opening 311 of the air outlet channel 32, each second gap 42 and the corresponding side plate of the casing 1 enclose a flow guiding opening 312 of the air outlet channel 32, the circulation of the gap airflow formed between each side wall of the inner container 2 and the corresponding side plate of the casing 1 can be further promoted through the flow guide port 312, so that the outside cold air can be better used for cooling the side plate of the casing 1. Further, it is preferable that the cross-sectional area of each of the air inlet hoods 4 is reduced from top to bottom, and the height of each of the diversion openings 312 is at least 1/2 corresponding to the side plate of the cabinet 1. Thereby enabling each air inlet channel 31 to more efficiently bring the heat on each side plate into the heat dissipation channel 3, and further improving the heat dissipation effect on each side plate of the casing 1.

Further, the heat dissipating channel 3 further includes a volute channel 33 disposed at the bottom of the housing 1, the fan 30 is a centrifugal fan and disposed in the volute channel 33, an air inlet end of the volute channel 33 is disposed with an air inlet chamber 331, the air inlet chamber 331 is communicated with the interior of the volute channel 33 through an air inlet port 511 disposed on the volute channel 33, the air inlet chamber 331 is disposed with two air vents 3311, each air vent 3311 is respectively in fluid communication with an air outlet 311 of the corresponding air inlet channel 31, and an air outlet port 332 of the volute channel 33 is communicated with an air inlet of the air outlet channel 32. The two air inlet channels 31 can more smoothly supply air to the volute channel 33 through the air inlet cavity 331. The volute passage 33 may have a plurality of specific implementation manners, in this embodiment, the volute passage further includes a volute casing 5, the volute casing 5 is covered on the lower surface of the bottom plate 15 of the casing 1 to form the volute passage 33, a partition plate 51 is transversely disposed at the upper end of the volute casing 5, the partition plate 51 is provided with the air inlet port 511, the partition plate 51, the side wall of the volute casing 5 above the partition plate 51 and the bottom plate 15 of the casing 1 enclose the air inlet chamber 331, the side wall of each vent 3311 of the air inlet chamber 331 extends outwards to form a vent hood 6, each vent hood 6 is covered on the lower surface of the bottom plate 15 of the casing 1 to form a vent duct 60, and the free end port of each vent duct 60 is communicated with the air inlet 311 of the corresponding air inlet passage 31.

In order to fully utilize the heat generated by the oven, an object placing cavity 70 for placing the object to be insulated is further disposed below the casing 1, and a warm air inlet 701 of the object placing cavity 70 is in fluid communication with the air outlet 321 of the air outlet channel 32. Therefore, the hot air blown out from the air outlet 321 of the air outlet channel 32 can be used for heating and insulating the articles in the storage cavity 70, so that the heat generated during the operation of the oven can be fully utilized. For example, food to be kept warm can be put into the storage cavity 70, and warm air blown out through the air outlet channel 32 keeps warm for the food in the storage cavity 70. In addition, tableware such as bowls and chopsticks can be placed in the storage cavity 70, and dishes can be warmed by the warm air blown out from the air outlet channel 32. In order to make the air outlet of the air outlet channel 32 better heat the articles in the storage cavity 70, preferably, the storage box 7 is disposed below the casing 1, an inner cavity of the storage box 7 forms the storage cavity 70, the back plate of the storage box 7 is provided with the warm air inlet 701, the sidewall of the air outlet 321 of the air outlet channel 32 is provided with the air outlet cover 10, and the air outlet of the air outlet cover 10 is opposite to the warm air inlet 701. In addition, in order to further enhance the heating effect on the articles in the storage compartment 70, the bottom plate 15 of the casing 1 is provided with the bottom heating pipe 9, the bottom plate 15 is provided with a warm air inlet 81, the air outlet end of the air outlet channel 32 is provided with a warm air inlet 82, and the warm air inlet 81 and the warm air inlet 82 are communicated through the warm air duct 8. Therefore, the radiant heat of the bottom heating pipe 9 can be utilized to heat the articles in the article placing cavity 70, and the heating effect and efficiency are improved. In this embodiment, in order to improve the integrity of the oven, the side plates of the casing 1 extend downward and the lower ends of the extending portions are connected by a support plate to form a storage cabinet 11, and the storage box 7 has a drawer structure and is accommodated in the storage cabinet 11. In addition, above-mentioned put the temperature sensor (not shown) that is provided with the controller signal of telecommunication with the oven on the box 7, can monitor the temperature of putting the box 7 through temperature sensor like this to promote the heating effect of putting the box 7, convenience of customers uses.

The utility model provides a working process as follows:

when the oven works, the fan 30 in the volute channel 33 rotates, external cold air enters the corresponding air inlet channel 31 through the air inlet holes 14 on the left and right side plates 11, 12 of the enclosure 1, and hot air in a gap formed between each side wall of the liner 2 and the corresponding side plate of the enclosure 1 enters the corresponding air inlet channel 31 through each flow guide port 312, and the cold air and the hot air are mixed to drive the air in the gap to flow, so that the left side plate 11, the right side plate 12 and the back side plate 13 of the enclosure 1 are cooled. The air flow in the air inlet channel 31 enters the volute channel 33 and enters the air outlet channel 32 through the centrifugal action of the centrifugal fan 30, and the volute channel 33 and the air outlet channel 32 are both arranged on the lower surface of the bottom plate 15 of the casing 1, so that the heat at the bottom of the casing 1 can be taken away along with the air outlet of the air outlet channel 32, and the cooling and heat dissipation of the bottom plate 15 of the casing 1 are realized. Through the cooling to casing 1 left side board 11, right side board 12, dorsal scale board 13 and bottom plate 15 like this, can effectively reduce the heat that casing 1 transmitted to the cupboard to avoid the cupboard high temperature rise, effectively prolong the life of cupboard.

Claims (10)

1. An oven comprises a machine shell (1) and an inner container (2) arranged in the machine shell (1), and is characterized in that gaps formed between each side wall of the inner container (2) and a corresponding side plate of the machine shell (1) are communicated with each other, the oven also comprises a heat dissipation channel (3) with a fan (30), the heat dissipation channel (3) comprises an air inlet channel (31) with an air inlet and an air outlet channel (32) with an air outlet (321), the side plate of the machine shell (1) is provided with an air inlet hole (14), the air inlet hole (14) is in fluid communication with the air inlet of the air inlet channel (31), and the air outlet channel (32) is arranged at the bottom of a bottom plate (15) of the machine shell (1) and the air outlet (321) is communicated with the outside.

2. The oven according to claim 1, characterized in that there are two air inlet channels (31), each air inlet channel (31) is respectively disposed in the gap formed by the left and right side walls of the inner container (2) and the left and right side plates (11, 12) of the housing (1), the left and right side plates (11, 12) of the housing (1) are respectively provided with air inlet holes (14), and each air inlet hole (14) is respectively in fluid communication with the air inlet of the corresponding air inlet channel (31).

3. The oven according to claim 2, characterized in that the left and right sides of the inner container (2) are respectively provided with an air inlet cover (4), each air inlet cover (4) is respectively covered on the inner surface of the corresponding side plate of the case (1) to form the air inlet channel (31), the cover openings of the air inlet covers (4) form the air inlets of the corresponding air inlet channels (31), the side plate of the machine shell (1) corresponding to the cover opening of each air inlet cover (4) is respectively provided with the air inlet holes (14), the lower end of each air inlet cover (4) is provided with a first gap (41), the left side and the right side of the upper end are respectively provided with a second gap (42), and each first gap (41) and the corresponding side plate of the shell (1) enclose an air guide opening (311) of the air outlet channel (32), and each second gap (42) and the corresponding side plate of the shell (1) enclose an air guide opening (312) of the air outlet channel (32).

4. A toaster according to claim 3, wherein the cross-sectional area of each air inlet flap (4) decreases from top to bottom, and the height of each deflector opening (312) is at least 1/2 corresponding to the height of the side panel of the housing (1).

5. The oven according to claim 3, wherein the heat dissipating channel (3) further comprises a volute channel (33) disposed at the bottom of the housing (1), the fan (30) is a centrifugal fan and disposed in the volute channel (33), an air inlet end of the volute channel (33) is provided with an air inlet chamber (331), the air inlet chamber (331) is communicated with the inside of the volute channel (33) through an air inlet port (511) formed in the volute channel (33), the air inlet chamber (331) is provided with two air vents (3311), each air vent (3311) is respectively in fluid communication with the air guide opening (311) of the corresponding air inlet channel (31), and the air outlet port (332) of the volute channel (33) is in fluid communication with the air inlet opening (322) of the air outlet channel (32).

6. An oven according to claim 5, characterized in that the heat dissipation channel (3) further comprises a volute casing (5), the volute casing (5) is covered on the lower surface of the bottom plate (15) of the machine shell (1) to form the volute channel (33), the upper end of the volute casing (5) is transversely provided with a clapboard (51), the clapboard (51) is provided with the air inlet port (511), the air inlet cavity (331) is enclosed by the clapboard (51), the side wall of the volute casing cover (5) at the upper part of the clapboard (51) and the bottom plate (15) of the machine casing (1), the side walls of the ventilation openings (3311) of the air inlet cavity (331) respectively extend outwards to form ventilation hoods (6), each ventilation hood (6) is covered on the lower surface of the bottom plate (15) of the machine casing (1) to respectively form ventilation pipelines (60), and the free end port of each ventilation pipeline (60) is respectively communicated with the air guide port (311) of the corresponding air inlet channel (31).

7. An oven according to any of the claims 1 to 6, characterized in that a storage chamber (70) for storing an object to be insulated is further provided below the housing (1), and a warm air inlet (701) of the storage chamber (70) is in fluid communication with the air outlet (321) of the air outlet channel (32).

8. The oven according to claim 7, wherein a storage box (7) is disposed below the housing (1), an inner cavity of the storage box (7) forms the storage cavity (70), the back plate of the storage box (7) is provided with the warm air inlet (701), the sidewall of the air outlet (321) of the air outlet channel (32) is provided with an air outlet cover (10), and the air outlet of the air outlet cover (10) is opposite to the warm air inlet (701).

9. The oven according to claim 1, wherein the bottom heating pipe (9) is installed on the bottom plate (15) of the housing (1), and the bottom plate (15) is opened with a warm air inlet (81), and the air outlet end of the air outlet channel (32) is provided with a warm air inlet (82), and the warm air inlet (81) and the warm air inlet (82) are communicated through a warm air duct (8).

10. The oven according to claim 8, characterized in that the storage compartment (7) is provided with a temperature sensor in electrical signal connection with the oven controller.

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