CN223392336U - Electric pizza stove heat radiation structure and electric pizza stove - Google Patents

Abstract

The utility model discloses a heat dissipation structure of an electric pizza oven and an electric pizza oven, comprising a shell, an isolation cover, electronic components and a fan. A baking cavity is provided inside the shell, a first isolation cavity is provided between the shell and the baking cavity, the isolation cover is located inside the first isolation cavity, the isolation cover and the inner wall of the shell form a second isolation cavity, an air inlet connecting the second isolation cavity and the outside of the shell is provided on the side wall of the shell, an air outlet connecting the first isolation cavity and the second isolation cavity is provided on the side wall of the shell, the electronic components and the fan are arranged in the second isolation cavity, when the fan is powered on, the air outside the shell flows into the second isolation cavity and forms cold wind, the cold wind cools the electronic components, and then the cold wind is blown out to the first isolation cavity to cool the shell and the baking cavity, which solves the technical problem that the fan of the heat dissipation structure of the traditional electric pizza oven will inhale hot air and cold air at the same time when inhaling air, so that the heat dissipation effect is better.

Description

Electric pizza stove heat radiation structure and electric pizza stove

Technical Field

The utility model relates to the field of kitchen appliances, in particular to a heat dissipation structure of an electric pizza oven and the electric pizza oven using the heat dissipation structure.

Background

The electric pizza oven is a common kitchen appliance and generally comprises a shell and a baking cavity, wherein an isolation cavity is arranged between the shell and the baking cavity, and electronic components are arranged in the isolation cavity. When the electric pizza oven works, heat generated by the baking cavity can be conducted to the electronic components and the shell, so that the temperature of the electronic components and the temperature of the shell are increased, the service life of the electronic components can be shortened and the electronic components are easy to break down due to the fact that the temperature is too high, and meanwhile, the shell with the too high temperature is easy to scald due to the fact that a user touches the electronic components and the shell by mistake. In the prior art, a fan is arranged in an isolation cavity, an air inlet and an air outlet are formed in a shell, when the electric pizza furnace works, the fan can blow air in the isolation cavity out of the air outlet to form a negative pressure area in the isolation cavity, the negative pressure area can suck air outside the shell from the air inlet and form cold air, and the cold air flows into the isolation cavity to exchange heat with the electronic component and the shell, so that the electronic component and the shell can be simultaneously cooled. However, when the heat dissipation structure is adopted, the negative pressure area is easy to suck hot air at other positions of the isolation cavity and mix with cold air sucked by the air inlet to form mixed gas, and the temperature of the mixed gas is slightly higher than that of the cold air sucked by the air inlet, so that the cooling effect of the mixed gas on the electronic components and the shell is not obvious, the heat dissipation effect is poor, and particularly the heat dissipation requirement of the electronic components is difficult to meet.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric pizza furnace heat radiation structure, which can avoid the influence of mixed gas formed by mixing cold air and hot air on heat radiation and can better radiate the heat of electronic components.

The utility model also provides an electric pizza oven with the heat dissipation structure.

An electric pizza oven heat dissipation structure according to an embodiment of the first aspect of the present utility model includes:

The baking oven comprises a shell, an insulating cover, an electronic component, a fan and a cooling fan, wherein a baking cavity is arranged in the shell, a first insulating cavity is arranged between the shell and the baking cavity, the insulating cover is arranged in the first insulating cavity, the insulating cover is enclosed with the inner wall of the shell to form a second insulating cavity, an air inlet which is communicated with the second insulating cavity and the outside of the shell is formed in the side wall of the shell, an air outlet which is communicated with the first insulating cavity and the second insulating cavity is formed in the side wall of the insulating cover, the electronic component is arranged in the second insulating cavity, the fan is arranged in the second insulating cavity, when the fan is electrified, air outside the shell flows into the second insulating cavity from the air inlet to form cold air, the cold air dissipates heat of the electronic component, and then the cold air is blown out of the first insulating cavity from the air outlet to the shell and the baking cavity.

According to the embodiment of the utility model, the electric pizza stove heat dissipation structure has at least the following beneficial effects:

The electronic components and the fan are arranged in the second isolation cavity, when the fan is electrified and works, the fan can suck air outside the shell into the second isolation cavity from the air inlet to form cold air, the cold air flows through the electronic components and dissipates heat of the electronic components, then the cold air is blown out from the air outlet to the first isolation cavity, and at the moment, the cold air can cool the shell and the baking cavity. Through adopting foretell structure, can make electronic components be cooled off the heat dissipation by external cold air all the time, consequently can make the electric pizza stove heat radiation structure of this embodiment have better cooling radiating effect to electronic components, solved the fan of traditional electric pizza stove heat radiation structure and inhaled hot air and cold air's technical problem simultaneously when inhaling to improve the cooling effect of cold wind to electronic components, casing and roast cavity, make the radiating effect better.

According to some embodiments of the utility model, the electronic component divides the second isolation cavity into an air inlet channel and an air outlet channel, the air inlet channel is communicated with the air inlet and the air inlet end of the fan, and the air outlet channel is communicated with the air outlet and the air outlet end of the fan.

According to some embodiments of the utility model, a mounting frame is arranged in the second isolation cavity, the mounting frame is connected with the isolation cover and/or the side wall of the shell, and the electronic component is mounted on the mounting frame.

According to some embodiments of the utility model, the air inlet and the air outlet are located at the same end of the second isolation chamber, and the fan is located at the other end of the second isolation chamber.

According to some embodiments of the utility model, the air inlet is provided with a guiding structure at its periphery, the guiding structure being used for guiding air to flow to the electronic component.

According to some embodiments of the utility model, the air outlet is formed on one side surface of the isolation cover in a punching mode.

According to some embodiments of the utility model, a door body assembly is arranged on the outer side of the shell, and a first ventilation opening is formed in a position, corresponding to the door body assembly, of the shell.

According to some embodiments of the utility model, the baking cavity is provided with a baking cavity shell, a third isolation cavity is arranged between the outer bottom wall of the baking cavity and the inner bottom wall of the shell, two opposite sides of the baking cavity shell are provided with support side plates extending to the inner bottom wall of the shell, and two support side plates are provided with second ventilation openings which are communicated with the third isolation cavity and the first isolation cavity.

According to some embodiments of the utility model, the bottom wall of the housing is provided with a third vent communicating the third isolation chamber with the outside of the housing.

An electric pizza oven according to an embodiment of the second aspect of the present utility model includes an electric pizza oven body configured with the above-described heat dissipation structure.

The electric pizza oven provided by the embodiment of the utility model has at least the following beneficial effects:

According to the electric pizza stove, the electronic components and the fan are arranged in the second isolation cavity by adopting the heat dissipation structure, when the fan is electrified and works, the fan can suck air outside the shell into the second isolation cavity from the air inlet to form cold air, the cold air flows through the electronic components and dissipates heat of the electronic components, then the cold air is blown out from the air outlet to the first isolation cavity, and at the moment, the shell and the baking cavity can be cooled. Through adopting foretell structure, can make electronic components be cooled off the heat dissipation by external cold air all the time, consequently can make the electric pizza stove heat radiation structure of this embodiment have better cooling radiating effect to electronic components, solved the fan of traditional electric pizza stove heat radiation structure and inhaled hot air and cold air's technical problem simultaneously when inhaling to improve the cooling effect of cold wind to electronic components, casing and roast cavity, make the radiating effect better.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic cross-sectional view of an electric pizza oven according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the electric pizza oven shown in FIG. 1 at another angle;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a partially exploded view of an electric pizza oven in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic view of an electric pizza oven according to an embodiment of the present utility model;

Fig. 6 is another schematic cross-sectional view of an electric pizza oven according to an embodiment of the present utility model.

Reference numerals:

The air conditioner comprises a shell 100, a first isolation cavity 110, an air inlet 120, a guide structure 121, a first ventilation opening 130, a third isolation cavity 140, a third ventilation opening 150, a baking cavity 200, a baking cavity shell 210, a second ventilation opening 211, a supporting side plate 220, an electronic component 300, a fan 400, an isolation cover 500, a second isolation cavity 510, an air outlet 520, an air inlet channel 530, an air outlet channel 540, a mounting frame 600 and a door body assembly 700.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 and 2, according to an embodiment of the present utility model, an electric pizza stove heat dissipation structure includes a casing 100, an isolation cover 500, an electronic component 300 and a fan 400, wherein the casing 100 is internally provided with the baking cavity 200, the baking cavity 200 is generally connected with the casing 100 through a bolt connection, a clamping connection, a riveting connection or other connection modes, in this embodiment, the casing 100 and the baking cavity 200 are rectangular in shape, the baking cavity 200 is generally provided with a tray and a heating assembly, food can be placed on the tray, the heating assembly is electrified to generate heat to heat the food, meanwhile, the heat is conducted to other components of the electric pizza stove, a first isolation cavity 110 is provided between the casing 100 and the baking cavity 200, the first isolation cavity 110 can slow down the heat transfer of the baking cavity 200 to the casing 100, the isolation cover 500 is located inside the first isolation cavity 110, the isolation cover 500 and an inner wall of the casing 100 enclose to form a second isolation cavity 510, an air inlet 120 communicated with the second isolation cavity 510 and the outside the casing 100 is provided on a side wall of the casing 100, the isolation cavity 500 is provided with an air outlet 520 communicated with the first isolation cavity 110 and the second isolation cavity 510, the second component 300 is provided in the second isolation cavity 510, and the fan 400 is provided in the isolation cavity 510.

According to the electric pizza stove heat dissipation structure provided by the embodiment of the utility model, the electronic components 300 and the fan 400 are arranged in the second isolation cavity 510, when the fan 400 is electrified and works, air outside the shell 100 flows into the second isolation cavity 510 from the air inlet 120 and forms cold air, the cold air dissipates heat of the electronic components 300, and then the cold air is blown out to the first isolation cavity 110 from the air outlet 520 and dissipates heat of the shell 100 and the baking cavity 200, so that the electric pizza stove heat dissipation structure provided by the embodiment has a better cooling heat dissipation effect on the electronic components, the technical problem that hot air and cold air are inhaled simultaneously when the fan of the traditional electric pizza stove heat dissipation structure inhales is solved, and the cooling effect of the cold air on the electronic components, the shell and the baking cavity is improved, and the heat dissipation effect is better.

It should be added that, the heat generated by the energizing operation of the heating assembly is also conducted to the shielding cover 500, and the cooling air in the second insulating cavity 510 and the cooling air in the first insulating cavity 110 can cool the shielding cover 500.

It should be noted that, the air inlet 120 and the air outlet 520 may have a mesh structure formed by a plurality of through holes arranged at intervals, so that the air can conveniently enter and exit the second isolation cavity 510 and simultaneously, the impurities with larger volume can be prevented from entering the second isolation cavity 510.

It should be noted that, the casing 100 may be provided with a communication port communicating the first isolation cavity 110 with the outside of the casing 100, so that hot air after cooling the casing 100 may be discharged, or a communication port communicating the first isolation cavity 110 with the inside of the baking cavity 200 may be provided on the baking cavity 200, and air may enter the baking cavity 200 from the first isolation cavity 110 and be discharged to the outside of the casing 100 through the baking cavity 200, and meanwhile, the air may also absorb a portion of heat of the baking cavity 200, so as to cool the baking cavity 200.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the electronic component 300 divides the second isolation cavity 510 into an air inlet channel 530 and an air outlet channel 540, the air inlet channel 530 communicates with the air inlet 230 and the air inlet end of the blower 400, and the air outlet channel 540 communicates with the air outlet 520 and the air outlet end of the blower 400.

Through adopting above-mentioned structure, air enters into air inlet channel 530 through air intake 120 and cools off one side of electronic components 300, then the air is inhaled the air inlet end of fan 400 and is blown out to air outlet channel 540 from the air-out end of fan 400 and cool off the opposite side of electronic components 300, can increase the area of contact on cold wind and electronic components 300 surface from this for cold wind and electronic components 300's heat conduction efficiency is higher, can also prolong the time that cold wind stays in cage 500 inside simultaneously, cools off electronic components 300 better.

Referring to fig. 2 and 3, in some embodiments of the present utility model, a mounting frame 600 is disposed in the second isolation chamber 510, the mounting frame 600 is connected to the isolation cover 500 and/or the side wall of the housing 100, and the electronic component 300 is disposed on a side of the mounting frame 600 facing away from the inner wall of the housing 100, and the mounting frame 600 is generally made of an insulating material.

Through adopting above-mentioned structure, set up electronic components 300 in the mounting bracket 600 one side of deviating from casing 100 inner wall, mounting bracket 600 can be with electronic components 300 and casing 100 lateral wall fixed connection, mounting bracket 600 can support protection electronic components 300 for electronic components 300 is difficult to take place to warp or fracture, when daily use, mounting bracket 600 that adopts insulating material to make can insulate protection electronic components 300, and when the outside liquid of appearance casing splashes into the condition in the second isolation chamber 510 from air intake 120, mounting bracket 600 can block liquid, prevent liquid splash to and damage electronic components 300.

It will be appreciated that the mounting bracket 600 may be coupled to the cage 500 and/or the side walls of the housing 100 by bolting, clamping, pinning or other means of attachment, as the utility model is not specifically limited.

It can be appreciated that the fan 400 may be disposed on the mounting frame 600, so that the mounting frame 600 plays a role in supporting and protecting the fan 400.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the air inlet 120 and the air outlet 520 are located at the same end of the second isolation chamber 510, and the blower 400 is located at the other end of the second isolation chamber 510.

Through adopting above-mentioned structure, can prolong the distance that air got into second isolation chamber 510 to fan 400 flow and by the distance that fan 400 blown out second isolation chamber 510, improve the time of flowing in second isolation chamber 510 for heat conduction efficiency between cold wind and the electronic components 300 is higher, thereby can cool off electronic components 300 better.

Referring to fig. 2, 3 and 6, in some embodiments of the present utility model, a guiding structure 121 is disposed at a periphery of the air inlet 120, where the guiding structure 121 is used for guiding air to flow to the electronic component 300, specifically, the guiding structure 121 may be an obliquely disposed air guiding plate, an opening of the air guiding plate faces to the electronic component 300, and a cross section of an external shape of the air guiding plate may be a semicircle, a square or other shapes.

Through adopting above-mentioned structure, when air flows into second isolation cavity 510 through air intake 120, guide structure 121 can guide the air flow direction electronic components 300 for the air is more easy to be contacted with electronic components 300 surface, thereby reinforcing the cooling effect to electronic components 300, and guide structure 121 can also make the air flow into second isolation cavity 510 more orderly, accelerates the speed that the air flowed into second isolation cavity 510.

It should be understood that the air guiding sheet may be disposed at the periphery of the air inlet 120 by a connection manner such as welding connection, clamping connection, etc., or may be integrally formed by stamping the side wall of the housing 100, which is not particularly limited in the present utility model.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the air outlet 520 is punched and formed on one side surface of the shielding can 500.

By adopting the above structure, the air outlet 520 is formed by punching one side surface of the shield 500, thereby improving the efficiency of production and manufacturing and reducing the production and manufacturing cost.

Referring to fig. 1 and 4, in some embodiments of the present utility model, a door assembly 700 is provided at an outer side of the case 100, a roast cavity opening for storing and taking out food is provided at a sidewall between the roast cavity 200 and the door assembly 700, the door assembly 700 is used for opening and closing the roast cavity opening, and a first vent 130 is provided at a position of the case 100 corresponding to the door assembly 700.

By adopting the above structure, the air in the first isolation chamber 110 can cool the door assembly 700 through the first vent 130, thereby reducing the temperature of the door assembly 700, and simultaneously can discharge the air in the first isolation chamber 110 to the outside of the housing 100 through the door assembly 700.

It will be appreciated that the efficiency of the air flow out of the first isolation chamber 110 to the door assembly 700 may be improved by providing a plurality of first vents 130 and/or increasing the size of the first vents 130.

Referring to fig. 1, 2 and 6, in some embodiments of the present utility model, the cooking chamber 200 has a cooking chamber housing 210, a third isolation chamber 140 is disposed between an outer bottom wall of the cooking chamber 200 and an inner bottom wall of the casing 100, support side plates 220 extending to an inner bottom wall of the casing 100 are disposed at opposite sides of the cooking chamber housing 210, and the two supported side plates 220 are provided with second air vents 211 communicating the third isolation chamber 140 and the first isolation chamber 110.

By adopting the above structure, the air in the first isolation chamber 110 can enter the third isolation chamber 140 through the second ventilation opening 211 to cool the bottom of the roast chamber 200 and the bottom of the case 100, thereby lowering the temperature of the bottom of the roast chamber 200 and the bottom of the case 100.

It is understood that the efficiency of the air flowing into the third isolation chamber 140 may be improved by providing a plurality of second air vents 211 and/or increasing the size of the second air vents 211.

Referring to fig. 6, in some embodiments of the present utility model, a third vent 150 is formed in the bottom wall of the housing 100 to communicate the third isolated chamber 140 with the outside of the housing 100.

By adopting the above-described structure, the air in the third isolation chamber 140 can be discharged from the third vent 150 to the outside of the case 100.

It should be noted that, the third air port 150 may have a net structure formed by a plurality of through holes arranged at intervals, so that the air can be conveniently flowed out of the third isolation chamber 140, and meanwhile, the impurities with larger volume can be prevented from entering the third isolation chamber 140.

Referring to fig. 1 to 6, an electric pizza oven according to a second aspect of the present utility model includes an electric pizza oven body configured with the electric pizza oven heat dissipation structure of the above-described embodiments.

By adopting the heat dissipation structure of any one of the embodiments, when the fan 400 is powered on and works, the fan 400 can suck air outside the shell into the second isolation cavity 510 from the air inlet 120 and form cold air, the cold air can exchange heat with the electronic component 300 with higher temperature to take away part of heat of the electronic component 300, then the cold air is blown out to the first isolation cavity 110 from the air outlet 520 by the fan 400, and the cold air exchanges heat with the shell 100 to take away part of heat of the shell 100. Therefore, the cold air with the lowest temperature just entering the second isolation cavity 510 can cool the electronic component 300 first, and then the cold air with slightly raised temperature cools the housing 100.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. An electric pizza oven heat dissipation structure, comprising:

The baking oven comprises a shell (100), wherein a baking cavity (200) is arranged in the shell (100), and a first isolation cavity (110) is arranged between the shell (100) and the baking cavity (200);

The isolation cover (500), the isolation cover (500) is located inside the first isolation cavity (110), the isolation cover (500) encloses with the inner wall of the shell (100) to form a second isolation cavity (510), an air inlet (120) communicated with the second isolation cavity (510) and the outside of the shell (100) is formed in the side wall of the shell (100), and an air outlet (520) communicated with the first isolation cavity (110) and the second isolation cavity (510) is formed in the side wall of the isolation cover (500);

An electronic component (300), the electronic component (300) being disposed within the second isolation cavity (510);

A fan (400), the fan (400) being disposed within the second isolation cavity (510);

When the fan (400) is electrified to work, air outside the shell (100) flows into the second isolation cavity (510) from the air inlet (120) to form cold air, the cold air dissipates heat of the electronic component (300), and then the cold air is blown out from the air outlet (520) to the first isolation cavity (110) and dissipates heat of the shell (100) and the baking cavity (200).

2. The electric pizza stove heat dissipation structure according to claim 1, wherein the electronic component (300) divides the second isolation cavity (510) into an air inlet channel (530) and an air outlet channel (540), the air inlet channel (530) is communicated with the air inlet (120) and the air inlet end of the fan (400), and the air outlet channel (540) is communicated with the air outlet (520) and the air outlet end of the fan (400).

3. The electric pizza stove heat radiation structure according to claim 2, characterized in that a mounting rack (600) is provided in the second isolation cavity (510), the mounting rack (600) is connected with the isolation cover (500) and/or the side wall of the casing (100), and the electronic component (300) is mounted on the mounting rack (600).

4. The electric pizza oven heat dissipating structure according to claim 1, wherein the air inlet (120) and the air outlet (520) are located at the same end of the second isolation chamber (510), and the blower (400) is located at the other end of the second isolation chamber (510).

5. The electric pizza oven heat dissipation structure according to claim 1, characterized in that the air inlet (120) is provided with a guiding structure (121) at the periphery, the guiding structure (121) being used for guiding air to flow to the electronic components (300).

6. The electric pizza oven heat dissipating structure according to claim 1, wherein the air outlet (520) is formed by stamping on a side surface of the shielding can (500).

7. The electric pizza stove heat radiation structure according to claim 1, characterized in that a door body assembly (700) is provided on the outer side of the casing (100), and a first ventilation opening (130) is provided at a position of the casing (100) corresponding to the door body assembly (700).

8. The electric pizza stove heat radiation structure according to claim 1, wherein the baking cavity (200) has a baking cavity housing (210), a third isolation cavity (140) is provided between an outer bottom wall of the baking cavity (200) and an inner bottom wall of the casing (100), two opposite sides of the baking cavity housing (210) are provided with support side plates (220) extending to the inner bottom wall of the casing (100), and two support side plates (220) are provided with second ventilation openings (211) communicating the third isolation cavity (140) and the first isolation cavity (110).

9. The electric pizza stove heat radiation structure according to claim 8, characterized in that the bottom wall of the casing (100) is provided with a third vent (150) communicating the third isolation cavity (140) with the outside of the casing (100).

10. An electric pizza oven, characterized by comprising an electric pizza oven body provided with the electric pizza oven heat dissipation structure as claimed in any one of claims 1 to 9.