CN214760554U

CN214760554U - Steaming and baking integrated machine

Info

Publication number: CN214760554U
Application number: CN202022424526.6U
Authority: CN
Inventors: 安宏伟; 张权; 杨均
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-11-19
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to a evaporate roast all-in-one, including inner bag, setting exhaust passage and the water tank in this inner bag top, above-mentioned inner bag has gas vent and water inlet, and installs built-in steam generator in this inner bag, and above-mentioned exhaust passage has air inlet and exhaust fan, and this gas vent passes through the blast pipe intercommunication with the air inlet, and above-mentioned water inlet passes through the inlet tube intercommunication with the delivery port of water tank, the length direction winding of partial pipeline section in the inlet tube along the blast pipe is on the surface of this blast pipe, and this partial pipeline section and blast pipe are heat conduction material, and the rivers direction in this partial pipeline section of inlet tube is opposite with the air current in the blast pipe. The utility model discloses cold water in the well water pipe can carry out the heat exchange with the outer exhaust gas in the blast pipe, through heat exchange between them, reduces the outer exhaust gas's in the blast pipe temperature on the one hand, and on the other hand can preheat the water in the inlet tube to improve the efficiency that steam produced.

Description

Steaming and baking integrated machine

Technical Field

The utility model relates to a cooking equipment field especially relates to an evaporate roast all-in-one.

Background

The steaming and baking integrated machine is a cooking device having both a baking function and a steaming function, for example: the steaming and baking integrated machine structure is disclosed in Chinese utility model patent with the patent number ZL201921826168.2 (the grant publication number is CN211511431U), Chinese invention patent with the application number is CN202010333603.9 (the publication number is CN111358283A) and the like. The existing embedded electric steaming and baking integrated machine is often electrically driven, so that gas with higher temperature can be discharged in the working process, wherein the temperature of the discharged gas is about 90-100 ℃ when the steaming function is used, and the temperature of the discharged gas is often higher and exceeds 100 ℃ when the baking function is used. The excessive high temperature of the discharged gas can not only damage the internal components of the device, affect the service life of the cabinet, but also take away a large amount of heat and cause energy waste. In addition, the existing steaming and baking all-in-one machine generally utilizes the heating plate at the bottom of the inner container to heat water to generate steam, and the general cold water introduced into the inner container is low in efficiency of heating the cold water to generate steam, so that the cooking efficiency is influenced.

Disclosure of Invention

The utility model aims to solve the first technical problem that a can effectively cool down radiating steaming and baking all-in-one to the external exhaust body is provided to prior art.

The utility model aims to solve the second technical problem that provide an efficient roast all-in-one evaporates of steaming and steam production to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a evaporate roast all-in-one, includes the inner bag, sets up exhaust passage and the water tank in this inner bag top, and above-mentioned inner bag has gas vent and water inlet, and installs built-in steam generator in this inner bag, and above-mentioned exhaust passage has air inlet and exhaust fan, and this gas vent passes through the blast pipe intercommunication with the air inlet, and the delivery port of above-mentioned water inlet and water tank passes through the inlet tube intercommunication, its characterized in that, the length direction winding of part pipeline section in the inlet tube along the blast pipe is on the surface of this blast pipe, and this part pipeline section and blast pipe are heat conduction material, and the rivers direction in this part pipeline section of inlet tube is opposite with the air current in the blast pipe.

Further, still include the wet return, the water tank still has the return water mouth, above-mentioned inlet tube includes first inlet tube and second inlet tube, wherein, the winding of part pipeline section in the first inlet tube is on above-mentioned blast pipe, the first end of above-mentioned first inlet tube and the delivery port intercommunication of above-mentioned water tank, the second end of second inlet tube and the water inlet intercommunication of above-mentioned inner bag, the second end of wet return and the return water mouth intercommunication of water tank, and the second end of above-mentioned first inlet tube, the first end of second inlet tube and the first end of wet return are linked together through three way connection, and, be provided with the first solenoid valve that is used for controlling this second inlet tube to open and close on the above-mentioned second inlet tube, be provided with the second solenoid valve that is used for controlling this wet return to open and close on the wet return. When the steam function is performed, the first electromagnetic valve is opened, the water in the water inlet pipe cools the high-temperature gas in the exhaust pipe, so that the temperature of the exhaust gas is reduced, meanwhile, the cold water in the water inlet pipe is preheated, and the preheated water enters the inner container and is heated by the built-in steam generator to generate steam, so that the steam generation speed is increased; during the roast function, first solenoid valve is closed and the second solenoid valve is opened, and the outer exhaust gas in the water cooling blast pipe in the first inlet tube flows back to the water tank through the wet return after like this to form water circulation, and the water that continuously flows can reduce the temperature of outer exhaust gas in the blast pipe better, and then greatly reduced evaporates roast all-in-one outer exhaust gas's temperature.

Further, install the water pump on the first inlet tube to improve the water intake efficiency of first inlet tube, make the outer exhaust gas in the hydroenergy high efficiency cooling blast pipe in the first inlet tube.

Further, the exhaust pipe includes an exhaust joint connected to the exhaust port of the inner container, an intake joint connected to the intake port of the exhaust passage, and an exhaust connection pipe connected between a free end of the exhaust joint and a free end of the intake joint, and the exhaust connection pipe is a straight pipe. The flow velocity of gas in the blast pipe can be guaranteed like this, the corresponding pipeline section that enables first inlet tube simultaneously can fully contact with this exhaust connection pipe, and then guarantees both heat transfer efficiency.

Further, the exhaust connecting pipe is obliquely arranged from bottom to top. Therefore, condensed water formed in the exhaust pipe can flow back to the inner container through the exhaust joint, and recycling of the condensed water is achieved.

Furthermore, the surface of the first water inlet pipe, which is contacted with the exhaust connecting pipe, in the pipe section is recessed outwards along the length direction of the first water inlet pipe, so that a spiral ring groove matched with the outer surface of the exhaust connecting pipe is formed. Therefore, the corresponding pipe section of the first water inlet pipe can be in close contact with the exhaust connecting pipe, and the heat exchange efficiency of the first water inlet pipe and the exhaust connecting pipe is further improved.

Further, the air outlet and the water inlet are respectively arranged on the back plate of the liner, the air outlet is arranged at the upper end of the liner back plate, the water inlet is arranged at the lower end of the liner back plate, and the water tank is arranged above the liner. The high-temperature gas has the characteristic of rising upwards, so that the exhaust efficiency can be ensured by arranging the exhaust port at the upper end of the liner back plate, and the water tank is arranged above the liner, so that a corresponding pipeline wound on the water inlet pipe of the exhaust pipe can better flow from top to bottom along the exhaust pipe.

Further, an upper mounting plate is horizontally arranged above the inner container, an air guide cover is covered on the upper surface of the upper mounting plate, the air guide cover and the upper surface of the upper mounting plate enclose the exhaust channel, the exhaust fan comprises a centrifugal fan blade and a volute cover, the volute cover is covered on the upper mounting plate, the centrifugal fan blade is eccentrically mounted in a fan cavity enclosed by the volute cover and the upper surface of the upper mounting plate, an air inlet hole is formed in the top wall of the volute cover, an air outlet hole of the volute cover is communicated with an air inlet of the air guide cover, and the air inlet is formed in the upper mounting plate and located in the fan cavity. When the centrifugal fan blades rotate, negative pressure is formed in the fan cavity, and the air inlet is arranged at the position to accelerate the exhaust speed of the exhaust pipe under the action of the centrifugal negative pressure.

Furthermore, the air inlet is positioned at the air outlet section of the fan cavity, so that the flowing speed of the gas in the exhaust pipe can be further accelerated, and the exhaust speed is further accelerated.

Further, the built-in steam generator is a heating plate arranged on the bottom wall of the inner container, so that the heating plate can heat water entering the inner container to generate steam.

Compared with the prior art, the utility model has the advantages of: partial pipe section in the inlet tube twines on the surface of this blast pipe along the length direction of blast pipe, and this pipe section and blast pipe are heat conducting material, and cold water that gets into in the inlet tube by the water tank like this can carry out the heat exchange with the outer exhaust gas in the blast pipe, through heat exchange between them, reduces the temperature of the outer exhaust gas in the blast pipe on the one hand, and on the other hand can preheat the water in the inlet tube to improve the efficiency that steam produced. And the water flow direction in the part of the pipe section of the water inlet pipe is opposite to the air flow in the exhaust pipe, so that the cold water in the water inlet pipe can be subjected to heat exchange with the high-temperature gas in the exhaust pipe sufficiently.

Drawings

Fig. 1 is a schematic structural view of a steaming and baking integrated machine in 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 a partial structure of the steaming and baking integrated machine according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a portion of a pipe section of the first water inlet pipe in the 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 4, an all-in-one steaming and baking machine comprises a liner 1, an exhaust passage 30 and a water tank 8, wherein the exhaust passage 30 is arranged above the liner 1, the liner 1 is provided with an exhaust port 12 and a water inlet 11, a built-in steam generator is arranged in the liner 1, the exhaust passage 30 is provided with an air inlet 21 and an exhaust fan 4, the exhaust port 12 is communicated with the air inlet 21 through an exhaust pipe 5, and the water inlet 11 is communicated with a water outlet 81 of the water tank 8 through a water inlet pipe 6. Specifically, the above-mentioned built-in steam generator in this embodiment is a heating plate 7 mounted on the bottom wall of the inner container 1, so that the heating plate 7 can heat the water entering the inner container 1 to generate steam. An upper mounting plate 2 is horizontally arranged above the inner container 1, an air guiding cover 3 is covered on the upper surface of the upper mounting plate 2, the air guiding cover 3 and the upper surface of the upper mounting plate 2 enclose the exhaust channel 30, the exhaust fan 4 comprises a centrifugal fan blade 41 and a volute cover 42, the volute cover 42 is covered on the upper mounting plate 2, the centrifugal fan blade 41 is eccentrically arranged in a fan cavity enclosed by the volute cover 42 and the upper surface of the upper mounting plate 2, an air inlet hole 421 is arranged on the top wall of the volute cover 42, an air outlet hole of the volute cover 42 is communicated with an air inlet of the air guiding cover 3, the volute cover 42 and the air guiding cover 3 are integrated, and the air inlet 21 is arranged on the upper mounting plate 2 and is positioned in the fan cavity. When the centrifugal fan blades 41 rotate, negative pressure is formed in the fan cavity, and the air inlet 21 is opened at the position, so that the exhaust speed of the exhaust pipe 5 can be increased under the action of the centrifugal negative pressure. Further, preferably, the air inlet 21 is located at an air outlet section of the fan cavity, so that the flow speed of the gas in the exhaust pipe 5 can be further increased, and the exhaust speed can be further increased.

Further, a part of the pipe section 610 of the water inlet pipe 6 is wound around the outer surface of the exhaust pipe 5 along the length direction of the exhaust pipe 5, the pipe section 610 and the exhaust pipe 5 are both made of a heat conductive material, such as metal, in this embodiment, the pipe section 610 and the exhaust pipe 5 are both made of copper pipes with good heat conductivity, and the water flow direction in the part of the pipe section 610 of the water inlet pipe 6 is opposite to the air flow direction in the exhaust pipe 5. Therefore, cold water entering the water inlet pipe 6 from the water tank 8 can exchange heat with the exhaust gas in the exhaust pipe 5, and through the heat exchange between the cold water and the exhaust gas, the temperature of the exhaust gas in the exhaust pipe 5 is reduced, and on the other hand, the water in the water inlet pipe 6 can be preheated, so that the steam generation efficiency is improved. And, the water flow in the portion 610 of the water inlet pipe 6 is opposite to the air flow in the exhaust pipe 5, so that the cold water in the water inlet pipe 6 can be sufficiently heat-exchanged with the high-temperature gas in the exhaust pipe 5.

Still further, the water tank 8 further comprises a water return pipe 63, the water tank 8 further comprises a water return port 82, the water inlet pipe 6 comprises a first water inlet pipe 61 and a second water inlet pipe 62, wherein a part of pipe sections 610 in the first water inlet pipe 61 are wound on the exhaust pipe 5, a first end of the first water inlet pipe 61 is communicated with a water outlet 81 of the water tank 8, a second end of the second water inlet pipe 62 is communicated with a water inlet 11 of the liner 1, a second end of the water return pipe 63 is communicated with the water return port 82 of the water tank 8, a second end of the first water inlet pipe 61, a first end of the second water inlet pipe 62 and a first end of the water return pipe 63 are communicated through a three-way joint 9, a first electromagnetic valve 621 used for controlling opening and closing of the second water inlet pipe 62 is arranged on the second water inlet pipe 62, and a second electromagnetic valve 631 used for controlling opening and closing of the water return pipe 63 is arranged on the water return pipe 63. In this way, during the steaming function, the first electromagnetic valve 621 is opened, the water of the water inlet pipe 6 cools the high-temperature gas in the exhaust pipe 5, so as to reduce the temperature of the exhaust gas, meanwhile, the cold water in the water inlet pipe 6 is preheated, and the preheated water enters the inner container 1 and is heated by the built-in steam generator to generate steam, so as to improve the speed of generating the steam; during the roast function, first solenoid valve 621 closes and second solenoid valve 631 opens, and the outer exhaust gas in the water cooling blast pipe 5 in the first inlet tube 61 flows back to water tank 8 through wet return 63 after like this to form water circulation, and the water that continuously flows can reduce the temperature of outer exhaust gas in blast pipe 5 better, and then greatly reduced evaporates roast all-in-one outer exhaust gas's temperature. Preferably, the water pump 611 is installed on the first water inlet pipe 61, so as to improve the water inlet efficiency of the first water inlet pipe 61, and enable the water in the first water inlet pipe 61 to efficiently cool the exhaust gas in the exhaust pipe 5.

In the present embodiment, the exhaust pipe 5 includes an exhaust joint 51 connected to the exhaust port 12 of the inner container 1, an intake joint 52 connected to the intake port 21 of the exhaust passage 30, and an exhaust connection pipe 53 connected between a free end of the exhaust joint 51 and a free end of the intake joint 52, and the exhaust connection pipe 53 is a straight pipe. This ensures the flow velocity of the gas in the exhaust pipe 5, and at the same time, enables the corresponding pipe section 610 of the first water inlet pipe 61 to be in sufficient contact with the exhaust connection pipe 53, thereby ensuring the heat transfer efficiency between them. Further, the exhaust connection pipe 53 is inclined from bottom to top, so that condensed water formed in the exhaust pipe 5 can flow back to the inner container 1 through the exhaust joint 51, thereby recycling the condensed water. In addition, the surface of the first water inlet pipe 61 contacting the exhaust connection pipe 53 is recessed outward along the length direction thereof to form a spiral ring groove 612 matching the outer surface of the exhaust connection pipe 53, so that the corresponding pipe section 610 of the first water inlet pipe 61 can be in close contact with the exhaust connection pipe 53, and the heat exchange efficiency of the two is increased.

In addition, in this embodiment, the air outlet 12 and the water inlet 11 are respectively disposed on the back plate of the liner 1, the air outlet 12 is disposed at the upper end of the back plate of the liner 1 and the water inlet 11 is disposed at the lower end of the back plate of the liner 1, and the water tank 8 is disposed above the liner 1. The high-temperature gas has the characteristic of rising upwards, so that the exhaust efficiency can be ensured by arranging the exhaust port 12 at the upper end of the back plate of the inner container 1, and the water tank 8 is arranged above the inner container 1, so that a corresponding pipeline wound on the water inlet pipe of the exhaust pipe 5 can better flow from top to bottom along the exhaust pipe 5.

Claims

1. A steaming and baking integrated machine comprises an inner container (1), an exhaust channel (30) arranged above the inner container (1) and a water tank (8), wherein the inner container (1) is provided with an exhaust port (12) and a water inlet (11), and a built-in steam generator is arranged in the inner container (1), the exhaust channel (30) is provided with an air inlet (21) and an exhaust fan (4), the exhaust port (12) and the intake port (21) are communicated through an exhaust pipe (5), the water inlet (11) is communicated with the water outlet (81) of the water tank (8) through the water inlet pipe (6), characterized in that a part of the pipe section (610) in the water inlet pipe (6) is wound on the outer surface of the exhaust pipe (5) along the length direction of the exhaust pipe (5), the partial pipe section (610) and the exhaust pipe (5) are both made of heat conducting materials, and the water flow direction in the partial pipe section (610) of the water inlet pipe (6) is opposite to the air flow in the exhaust pipe (5).

2. The steaming and baking all-in-one machine according to claim 1, further comprising a water return pipe (63), wherein the water tank (8) further comprises a water return port (82), the water inlet pipe (6) comprises a first water inlet pipe (61) and a second water inlet pipe (62), wherein a part of the pipe section (610) of the first water inlet pipe (61) is wound on the exhaust pipe (5), a first end of the first water inlet pipe (61) is communicated with the water outlet (81) of the water tank (8), a second end of the second water inlet pipe (62) is communicated with the water inlet (11) of the inner container (1), a second end of the water return pipe (63) is communicated with the water return port (82) of the water tank (8), a second end of the first water inlet pipe (61), a first end of the second water inlet pipe (62) and a first end of the water return pipe (63) are communicated with each other through a three-way joint (9), and a first electromagnetic valve for controlling the opening and closing of the second water inlet pipe (62) is disposed on the second water inlet pipe (62) The valve (621), the return pipe (63) is provided with a second electromagnetic valve (631) for controlling the opening and closing of the return pipe (63).

3. An integrated steaming and baking machine as claimed in claim 2, wherein the first water inlet pipe (61) is provided with a water pump (611).

4. An all-in-one steaming and baking machine as claimed in claim 2 or 3, wherein the exhaust pipe (5) comprises an exhaust joint (51) connected to the exhaust port (12) of the inner container (1), an intake joint (52) connected to the intake port (21) of the exhaust passage (30), and an exhaust connecting pipe (53) connected between the free end of the exhaust joint (51) and the free end of the intake joint (52), and the exhaust connecting pipe (53) is a straight pipe.

5. The steaming and baking all-in-one machine as claimed in claim 4, wherein the exhaust connecting pipe (53) is arranged obliquely from bottom to top.

6. The steaming and baking all-in-one machine as claimed in claim 4, wherein the surface of the partial pipe section (610) of the first water inlet pipe (61) contacting with the exhaust connecting pipe (53) is recessed outwards along the length direction thereof to form a spiral ring groove (612) matching with the outer surface of the exhaust connecting pipe (53).

7. An all-in-one steaming and baking machine as claimed in any one of claims 1 to 3, wherein the air outlet (12) and the water inlet (11) are respectively arranged on the back plate of the inner container (1), the height of the air outlet (12) is higher than that of the water inlet (11), and the water tank (8) is arranged above the inner container (1).

8. The steaming and baking all-in-one machine as claimed in any one of claims 1 to 3, wherein an upper mounting plate (2) is horizontally arranged above the inner container (1), the upper surface of the upper mounting plate (2) is covered with an air guide cover (3), the air guide cover (3) and the upper surface of the upper mounting plate (2) enclose the exhaust channel (30), the exhaust fan (4) comprises a centrifugal fan blade (41) and a volute casing (42), the volute casing cover (42) is covered on the upper mounting plate (2), the centrifugal fan blade (41) is eccentrically arranged in a fan cavity enclosed by the volute casing cover (42) and the upper surface of the upper mounting plate (2), the top wall of the volute casing cover (42) is provided with an air inlet hole (421), the air outlet hole of the volute casing cover (42) is communicated with the air inlet of the air guide cover (3), the air inlet (21) is arranged on the upper mounting plate (2) and is positioned in the fan cavity.

9. An integrated steaming and baking machine as claimed in claim 7, wherein the air inlet (21) is located on the air outlet section of the fan cavity.

10. An all-in-one steaming and baking machine as claimed in any one of claims 1 to 3, wherein the built-in steam generator is a heating plate (7) mounted on the bottom wall of the inner container (1).