CN115777737A

CN115777737A - Rotary pizza oven

Info

Publication number: CN115777737A
Application number: CN202211487908.0A
Authority: CN
Inventors: 李明明; 余文硕; 朱毅明
Original assignee: Taishan Guanli Metal Products Co ltd
Current assignee: Taishan Guanli Metal Products Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-14

Abstract

The invention discloses a rotary pizza oven, which comprises a bottom plate, a combustion bin and a motor, wherein the upper surface of the bottom plate is respectively provided with a pizza stone and an upper shell component for placing pizza, the pizza stone and the combustion bin are both positioned in the upper shell component, the motor drives the pizza stone to rotate, the rotary pizza oven also comprises a temperature difference semiconductor component, one end of the temperature difference semiconductor component is contacted with or close to the combustion bin, and the other end of the temperature difference semiconductor component is electrically connected with the motor.

Description

Rotary pizza oven

Technical Field

The invention relates to the technical field of pizza ovens, in particular to a rotary pizza oven.

Background

When going out, the pizza just heated is difficult to eat. Many manufacturing and heating devices for pizza and other food are designed, which generally rely on a rotary plate to rotate the pizza inside and provide high temperature heating, so as to heat the pizza uniformly.

According to the prior art, a rotary pizza oven is disclosed as CN216018780U, and comprises a base and a shell covered on the base, wherein the base and the shell are detachably connected to form a closed space for heating pizza, and a turntable is arranged on the base corresponding to the bottom of the closed space; a support frame is arranged below the corresponding rotary table in the base, a manual knob is arranged on one side of the base and connected with the support frame through a linkage mechanism, a driving motor is arranged below the support frame, and the support frame is controlled to rotate through the manual knob or the driving motor so as to drive the rotary table to rotate; the base is also internally provided with a furnace end which is electrically connected with a heating knob arranged on one side of the base. The turntable can be driven to rotate in a manual or electric mode to control the heating position of food, and the turntable is driven to rotate manually, so that the use is inconvenient; the electric drive carousel is rotatory, needs additionally to carry the power, and the energy consumption is high, and is with high costs.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art and provides the rotary pizza oven with convenient use, low energy consumption and low cost.

In order to realize the purpose, the technical scheme of the invention is as follows: a rotary pizza oven comprises a bottom plate, a combustion bin and a motor, wherein a pizza stone and an upper shell assembly for placing pizza are respectively arranged on the upper surface of the bottom plate, the pizza stone and the combustion bin are both positioned in the upper shell assembly, the motor drives the pizza stone to rotate, the rotary pizza oven also comprises a temperature difference semiconductor assembly, one end of the temperature difference semiconductor assembly is in contact with or close to the combustion bin, and the other end of the temperature difference semiconductor assembly is electrically connected with the motor.

After adopting the structure, compared with the prior art, the invention has the following advantages: establish the difference in temperature semiconductor subassembly, difference in temperature semiconductor subassembly one end and combustion chamber contact or be close to the combustion chamber, the difference in temperature semiconductor subassembly other end is connected with the motor electricity, through burning fuel production heat source in the combustion chamber, the heat source gives the heat transfer for difference in temperature semiconductor subassembly upper end, the difference in temperature semiconductor subassembly two sides produces relative difference in temperature, thereby it is rotatory to produce the thermoelectric force and remove driving motor, drive pizza stone low-speed rotation, high durability and convenient use, do not need additionally to increase the power, the energy consumption is low, and is with low costs.

Preferably, the thermoelectric semiconductor component comprises a radiating fin, a thermoelectric effect semiconductor and a heat source heat conducting fin, the thermoelectric effect semiconductor is positioned between the radiating fin and the heat source heat conducting fin, the heat source heat conducting fin is in contact with or close to the combustion chamber, and the thermoelectric effect semiconductor is electrically connected with the motor, so that the thermoelectric semiconductor component is simple in structure.

Preferably, the bottom surface of the bottom plate is provided with a mounting hole, the temperature difference semiconductor assembly is arranged in the mounting hole, the heat source heat-conducting fin is positioned in the mounting hole and close to the combustion chamber, the radiating fin is positioned below the bottom plate, the temperature difference semiconductor assembly is arranged on the bottom plate, the installation is simple, the space is not occupied, the temperature difference between the radiating fin and the heat source heat-conducting fin is large, and the motor is driven to rotate more easily.

Preferably, the heat sink is provided with a first through hole, and the bolt passes through the first through hole and is fixed on the bottom surface of the bottom plate, so that the heat sink is convenient to mount.

Preferably, the heat-insulating gasket is arranged on the upper surface of the radiating fin, so that heat is prevented from being conducted to the radiating fin, the temperature difference between the radiating fin and the heat source heat-conducting fin is ensured, and the reliability is high.

Preferably, the heat sink is provided with a connecting through hole, the bottom surface of the heat source heat conducting fin is provided with a threaded hole, a bolt penetrates through the connecting through hole and is screwed on the threaded hole to realize the connection of the heat sink and the heat source heat conducting fin, so that the heat sink and the heat source heat conducting fin are conveniently connected, and the temperature difference semiconductor assembly is conveniently mounted and dismounted.

Preferably, the middle of the bottom plate is hollow, the heat source heat-conducting fins are positioned in the bottom plate, and the combustion bin is positioned right above the heat source heat-conducting fins, so that the combustion bin is closer to the heat source heat-conducting fins, and the reliability is high.

Preferably, the heat source heat conducting sheet is provided with a second through hole, the bolt penetrates through the second through hole and is fixed on the top surface of the bottom plate, the heat source heat conducting sheet is in contact with the top surface of the bottom plate, the bottom surface of the combustion bin is in contact with the upper surface of the bottom plate, and heat generated by the combustion bin is transferred to the heat source heat conducting sheet more easily.

Preferably, the pizza tray further comprises a pizza tray, a groove is formed in the upper surface of the bottom plate, a motor shaft of the motor drives the pizza tray to be in rotating fit with the groove, the pizza stone is arranged on the pizza tray, and the pizza tray rotates to drive the pizza stone to rotate, so that the pizza tray is simple in structure.

Preferably, the bottom surface of the groove is provided with a roller for assisting the rotation of the pizza tray, and the bottom surface of the pizza tray is matched with the roller in a rolling way, so that the pizza tray can be more easily rotated.

Drawings

FIG. 1 is an exploded view of a rotary pizza oven according to the present invention.

FIG. 2 is a perspective view of the connection between the motor and the thermoelectric semiconductor module of the rotary pizza oven according to the present invention.

FIG. 3 is an exploded view of a thermoelectric semiconductor assembly of a rotary pizza oven according to the present invention.

FIG. 4 is an exploded view of a rotary pizza oven pizza stone, a base plate and thermoelectric semiconductor elements according to the present invention.

Fig. 5 is a perspective view of a motor for a rotary pizza oven according to the present invention.

FIG. 6 is a perspective view of a chimney assembly and a front baffle of a rotary pizza oven motor according to the present invention.

Fig. 7 is a perspective view of a front door assembly of a rotary pizza oven according to the present invention.

FIG. 8 is a perspective view of a rotary pizza oven according to the present invention.

The novel multifunctional electric heating furnace comprises a base plate 1, a bottom plate 2, a combustion bin 3, a motor 4, pizza stones 5, an upper shell assembly 6, a thermoelectric semiconductor assembly 610, a radiating fin 620, a thermoelectric effect semiconductor 630, a heat source heat conducting fin 7, a mounting hole 8, a first through hole 9, a heat insulation gasket 10, a connecting through hole 11, a threaded hole 12, a second through hole 13, a pizza tray 14, a groove 15, a roller 16, a chimney assembly 17, a material cabin door handle assembly 18, a portable handle 19, a front door assembly 20, a front baffle 21 and a protection box.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 and 8, the invention provides a rotary pizza oven, which comprises a bottom plate 1, a pizza stone 4 for placing pizza, a motor 3 for driving the pizza stone 4 to rotate, a combustion bin 2 for heating the pizza stone 4 and an upper shell component 5, wherein the pizza stone 4, the combustion bin 2 and the upper shell component 5 are all positioned on the upper surface of the bottom plate 1, the pizza stone 4 and the combustion bin 2 are both positioned in the upper shell component 5, the pizza stone 4 is heated by using the heat generated by the combustion bin 2, and the motor 3 is used for driving the pizza stone 4 to rotate, so that the pizza on the pizza stone 4 is uniformly heated. Specifically, as shown in fig. 2 and 3, in order to facilitate the use of the motor 3 in the open air to drive the pizza stone 4 to rotate, the energy consumption and the cost are reduced, the electric pizza stone further comprises a temperature difference semiconductor component 6, a mounting hole 7 is arranged on the bottom surface of the bottom plate 1, the temperature difference semiconductor component 6 is mounted in the mounting hole 7, the upper end of the temperature difference semiconductor component 6 is in contact with the combustion chamber 2 or is close to the combustion chamber 2, the lower end of the temperature difference semiconductor component 6 is electrically connected with the motor 3, because the combustion chamber 2 transfers heat to the upper end of the temperature difference semiconductor component 6, the temperature difference semiconductor component 6 forms temperature difference with the lower end of the temperature difference semiconductor component 6, thereby generating the temperature difference electromotive force to drive the motor 3 to rotate, driving the pizza stone 4 to rotate at a low speed, no additional power supply is needed, and no hand shaking is needed. (the thermoelectric semiconductor element 6 may be provided on the upper case element 5)

As an embodiment, as shown in fig. 2, the thermoelectric semiconductor assembly 6 includes a heat sink 610, a thermoelectric effect semiconductor 620, and a heat source thermal conductive fin 630, the heat sink 610, the thermoelectric effect semiconductor 620, and the heat source thermal conductive fin 630 are sequentially disposed from bottom to top, the heat source thermal conductive fin 630 is located at a position close to the combustion chamber 2 of the mounting hole 7, the heat sink 610 is located at a position far from the combustion chamber 2, and the thermoelectric effect semiconductor 620 is electrically connected to the motor 3. The fuel is combusted through the combustion bin 2 to generate a heat source, and the heat source heat conducting fins are heated to enable the two surfaces of the temperature difference effect semiconductor to generate relative temperature difference, so that the temperature difference electromotive force is generated to drive the motor to rotate, and the pizza stone is driven to rotate at a low speed. Specifically, in order to prolong the service life of the thermoelectric semiconductor assembly 6 and ensure that the combustion chamber 2 has more heat transferred to the heat source heat-conducting fins 630 to ensure sufficient temperature difference, the bottom plate 1 is hollow, the heat source heat-conducting fins 630 are arranged on the top surface of the bottom plate 1, and the combustion chamber 2 is arranged on the upper surface of the bottom plate 1 corresponding to the upper surface of the heat source heat-conducting fins 630. Specifically, as shown in fig. 3, the heat source heat conduction sheet 630 is provided with a second through hole 12, and the heat source heat conduction sheet 630 is fixedly mounted by screwing a bolt on the top surface of the base plate 1 through the second through hole 12. Specifically, the mounting hole 7 penetrates the upper surface of the base plate 1 upward, so that the heat source heat conduction fin 630 communicates with the firebox 2.

As an example, referring to fig. 1, in order to ensure that the heat sink 610 is far away from the combustion chamber 2, the heat sink 610 is located below the bottom plate 1, so that the temperature difference between the heat sink 610 and the heat source heat conduction fin 630 is large, and the motor 3 is more easily driven to rotate. Specifically, in order to fix the heat sink 610 to the bottom surface of the base plate 1, the heat sink 610 is provided with a first through hole 8, and the heat sink 610 is fixedly mounted by screwing a bolt to the bottom surface of the base plate 1 through the first through hole 8. Specifically, in order to prevent heat on the base plate 1 from being transferred to the heat sink 610, the heat sink 610 is further provided with a heat insulating spacer 9 to prevent heat from being transferred to the heat sink 610, so that a temperature difference between the heat sink 610 and the heat source heat conduction fin 630 is ensured, and reliability is high. Specifically, the heat insulating gasket 9 is arranged at a position of the heat sink 610 corresponding to the first through hole 8, the bolts respectively penetrate through the first through hole 8 and the heat insulating gasket 9 and are screwed on the bottom surface of the bottom plate 1, and the heat insulating gasket 9 is in one-to-one correspondence with the first through hole 8, so that the heat insulating gasket 9 is positioned and fixed conveniently.

As an embodiment, as shown in fig. 3, in order to facilitate the assembly of the thermoelectric semiconductor assembly 6, a connection through hole 10 is formed on the heat sink 610, a threaded hole 11 is formed in the bottom surface of the heat source heat conducting fin 630, and a bolt passes through the connection through hole 10 and is screwed into the threaded hole 11 to connect the heat sink 610 and the heat source heat conducting fin 630, so that the thermoelectric effect semiconductor 620 is clamped in the middle, and the assembly and disassembly are convenient. Specifically, the projected area of the thermoelectric effect semiconductor 620 on the horizontal plane is smaller than the projected area of the heat sink 610 and the projected area of the heat source heat conducting fin 630 on the horizontal plane.

As an embodiment, as shown in fig. 1 and 4, in order to facilitate the rotation of the pizza stone 4, a groove 14 is formed on the upper surface of the base plate 1, a pizza tray 13 is formed in the groove 14, a transmission shaft of the motor 3 is connected to the pizza tray 13, the motor 3 drives the pizza tray 13 to be rotatably fitted in the groove 14, and the pizza stone 4 is placed on the pizza tray 13, so that the pizza stone 4 rotates with the pizza tray 13. In particular, the centre of the pizza tray 13 is on the same vertical line as the centre of the pizza stone 4, ensuring a synchronous rotation. Specifically, the pizza stone 4 is also positioned in the groove 14, and the upper surface of the pizza stone 4 is flush with the upper surface of the bottom plate 1, so that the pizza can be placed conveniently. Specifically, the pizza stone 4 has a diameter larger than that of the pizza tray 13.

As an embodiment, as shown in fig. 4, in order to assist the rotation of the pizza tray 13 and support the pizza tray 13, a roller 15 is provided at the bottom of the groove 14, the bottom surface of the pizza tray 13 abuts against the roller 15, the pizza tray 13 is in rolling fit with the roller 15, and when the motor 3 drives the pizza tray 13 to rotate, the pizza tray 13 drives the roller 15 to rotate, thereby making the rotation of the pizza tray 13 smoother. Specifically, the number of the rollers 15 is four, the rollers 15 are uniformly distributed along the circumferential direction of the pizza tray 13, the axial line of the rollers 15 and the diameter of the pizza tray 13 are in the same vertical plane, and the effect is good. Specifically, the roller 15 is a metal roller.

As an example, fig. 1 shows that the combustion chamber 2 can be used for three fuels: the firewood, the charcoal and the particles are combined into a whole. Specifically, the combustion chamber 2 is internally provided with an inclined plate, so that the depth of one end of the combustion chamber 2 close to the center of the bottom plate 1 is gradually reduced to the depth of one end of the combustion chamber 2 far away from the center of the bottom plate 1, and the combustion chamber 2 can use firewood, charcoal or particles.

As an embodiment, as shown in fig. 1 and 8, a chimney assembly 16, a material compartment door handle assembly 17, a carrying handle 18 and a front door assembly 19 are respectively arranged on the upper shell assembly 5, the chimney assembly 16 is arranged at a position corresponding to the pizza stone 4 on the upper surface of the upper shell assembly 5, specifically, as shown in fig. 6, a front baffle 20 is further arranged in the upper shell assembly 5, the front baffle 20 is positioned below the chimney assembly 16, heat is retained, the heat cannot quickly escape from the chimney assembly 16, and the heating effect is good. Specifically, the upper surface of the front baffle 20 is a slope, the upper end of the slope abuts against one side of the lower end of the chimney assembly 16 close to the center of the bottom plate 1, and the chimney assembly 16 and the combustion chamber 2 are respectively located at two ends of the upper shell assembly 5. Specifically, the bunker door handle assembly 17 is located on the upper surface of the upper housing assembly 5 at a position corresponding to the combustion chamber 2, so as to facilitate refueling. Specifically, the carrying handle 18 is provided at a position intermediate the upper surface of the upper case assembly 5. Specifically, the front door assembly 19 is arranged on the left side surface of the upper shell assembly 5, the combustion chamber 2 is arranged on the right side surface of the upper shell assembly 5, the front door assembly 19 is provided with a glass window and a temperature display meter, the change, the flame size and the pizza baking effect in the baking process can be directly observed, and the glass window is tempered glass which is high-temperature resistant and impact resistant, as shown in fig. 7.

As an embodiment, the bottom surface of the base plate 1 is provided with a protection case 21 for fixing and protecting the motor 3.

Specifically, the pizza stone 4 can resist the high temperature of 1000 ℃; the heat source heat conducting fins and the heat radiating fins for the thermoelectric power generation are made of AL6063; the roller is made of high-temperature resistant material powder copper base.

Specifically, as shown in fig. 5, the motor 3 is equipped with a gear reduction box, the working voltage of the motor 3 is 3V to 6V and 3000rpm/Min, the motor 3 adjusts the rotation speed through the gear reduction box, and the reduction box (the transmission stage is four-stage reduction ratio i =750 1) is controlled to output 4rpm/Min to drive the pizza stone 4 to rotate, so as to control the optimal low rotation speed of the baked pizza.

Specifically, the principle of the invention is that a semiconductor 620 with thermoelectric effect is tightly attached to a heat source heat conducting fin 630 and a heat radiating fin 610, the temperature difference of the semiconductor generates thermoelectric electromotive force to drive a motor 3, so as to drive a pizza tray 13 and further drive a pizza stone 4 to rotate, and the rotating device has small volume, simple structure and convenient installation and replacement. The effect that the pizza is placed in and the pizza is controlled to rotate by the switch is realized, the process that the pizza shovel adjusts the pizza is reduced, the pizza is prevented from deforming or the food material falls off in the rotating process to influence the overall appearance of the pizza, the temperature in the cavity is ensured, and the risk of being scalded by flame is avoided.

The working principle is as follows: the heat source heat conducting fin 630 heats through fuel combustion and dissipates heat with air exposed outside of the heat dissipating fin 610, the electron densities of the two metal sheets on the hot and cold surfaces are affected by different temperatures to generate difference, the thermoelectric effect semiconductor 620 generates electron flow, electrons flow from one end with high density to one end with low density, and when the electron diffusion speed is in direct proportion to the temperature, the two ends of the thermoelectric effect semiconductor 620 generate potential difference to generate electromotive force of current.

The action process is as follows: the pizza oven is placed on a table top or a table top without inflammable substances, a proper amount of fuel (particles, firewood and charcoal) is added into the combustion chamber 2, the mixture is ignited and placed back into the upper shell component 5, and the air regulating door of the chimney component 16 is opened to enable the oven chamber to generate a combustion flue. After observing the flame straightening and weakening of the combustion chamber 2 from the front door glass window in about 15-20 minutes, the fuel can be added to the material beating chamber door handle assembly 17 (the supplement time is adjusted according to the difference of the fuel, the particle is 2 buckets, and the proper amount of carbon and firewood is obtained), when the temperature display table reaches 650 DEG F, the temperature difference semiconductor assembly 6 generates enough electromotive force to drive the motor 3 to rotate, the front door assembly 19 can be drawn out and put in a pizza, then the front door assembly 19 is closed, and a switch is opened to control the pizza stone 4 to rotate for 1min (specifically adjusted according to the state of the pizza), so that the delicious and hot pizza can be enjoyed.

On the basis of the above-mentioned scheme, if various changes or modifications to the invention do not depart from the spirit and scope of the invention, the invention is also intended to include those changes and modifications, provided they come within the scope of the claims and the equivalent technology of the invention.

Claims

1. The utility model provides a rotation type pizza stove, includes bottom plate (1), combustion chamber (2) and motor (3), bottom plate (1) upper surface be equipped with pizza stone (4) and epitheca subassembly (5) that are used for placing the pizza respectively, pizza stone (4) and combustion chamber (2) all be located epitheca subassembly (5), motor (3) drive pizza stone (4) rotatory, its characterized in that: it still includes difference in temperature semiconductor subassembly (6), difference in temperature semiconductor subassembly (6) one end and combustion chamber (2) contact or be close to combustion chamber (2), difference in temperature semiconductor subassembly (6) other end and motor (3) electricity be connected.

2. A rotary pizza oven according to claim 1, wherein: thermoelectric semiconductor component (6) include fin (610), thermoelectric effect semiconductor (620) and heat source conducting strip (630), thermoelectric effect semiconductor (620) be located between fin (610) and heat source conducting strip (630), heat source conducting strip (630) contact or be close to burning storehouse (2), thermoelectric effect semiconductor (620) be connected with motor (3) electricity.

3. A rotary pizza oven according to claim 2, wherein: bottom plate (1) bottom surface on be equipped with mounting hole (7), thermoelectric semiconductor component (6) establish in mounting hole (7), heat source conducting strip (630) be located mounting hole (7) nearly combustion chamber's position, fin (610) be located bottom plate (1) below.

4. A rotary pizza oven according to claim 3, wherein: the radiating fin (610) is provided with a first through hole (8), and a bolt penetrates through the first through hole (8) and is fixed on the bottom surface of the bottom plate (1).

5. A rotary pizza oven according to claim 4, wherein: and the upper surface of the radiating fin (610) is provided with a heat insulation gasket (9).

6. A rotary pizza oven according to claim 2, wherein: the heat radiating fin (610) is provided with a connecting through hole (10), the bottom surface of the heat source heat conducting fin (630) is provided with a threaded hole (11), and a bolt penetrates through the connecting through hole (10) and is screwed in the threaded hole (11) to realize the connection of the heat radiating fin (610) and the heat source heat conducting fin (630).

7. A rotary pizza oven according to claim 3, wherein: the middle of the bottom plate (1) is hollow, the heat source heat-conducting fins (630) are positioned in the bottom plate (1), and the combustion bin (2) is positioned right above the heat source heat-conducting fins (630).

8. A rotary pizza oven according to claim 7, wherein: the heat source heat conducting fin (630) is provided with a second through hole (12), and a bolt penetrates through the second through hole (12) and is fixed on the top surface of the bottom plate (1).

9. A rotary pizza oven according to claim 1, wherein: the pizza tray is characterized by further comprising a pizza tray (13), a groove (14) is formed in the upper surface of the base plate (1), a motor shaft of the motor (3) drives the pizza tray (13) to be matched in the groove (14) in a rotating mode, and the pizza stone (4) is arranged on the pizza tray (13).

10. A rotary pizza oven according to claim 9, wherein: the bottom surface of the groove (14) is provided with a roller (15) for assisting the pizza tray (13) to rotate, and the bottom surface of the pizza tray (13) is matched with the roller (15) in a rolling way.