CN112914354A - Cooking device with door body heat dissipation function - Google Patents
Cooking device with door body heat dissipation function Download PDFInfo
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- CN112914354A CN112914354A CN202110143835.2A CN202110143835A CN112914354A CN 112914354 A CN112914354 A CN 112914354A CN 202110143835 A CN202110143835 A CN 202110143835A CN 112914354 A CN112914354 A CN 112914354A
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- water
- heat dissipation
- exhaust
- water outlet
- door body
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a cooking device with a door body heat dissipation function, which comprises an inner container with an open front side, a door body capable of covering the opening of the inner container, and a water tank with a water outlet and a water return port, wherein an installation cavity is formed between an outer door plate and a middle door plate of the door body, a first heat dissipation interlayer channel capable of dissipating heat of the outer door plate and a second heat dissipation interlayer channel capable of dissipating heat of the middle door plate are sequentially arranged in the installation cavity from outside to inside, the first heat dissipation interlayer channel is provided with a first water inlet hole and a first water outlet hole, the second heat dissipation interlayer channel is provided with a second water inlet hole and a second water outlet hole, an exhaust interlayer channel with an open lower end is formed between the middle door plate and the inner door plate, an exhaust port communicated with the inner cavity of the inner container is formed in the inner door plate, and an exhaust joint for controlling the opening and closing of the. The invention can avoid the user from being scalded due to overhigh temperature of the outer surface of the door body, and can fully avoid the high-temperature gas discharged from the inner container from scalding the user, thereby greatly improving the use experience of the user.
Description
Technical Field
The invention relates to the field of cooking devices, in particular to a cooking device with a door body heat dissipation function.
Background
Cooking devices such as oven, steam ager, evaporate roast all-in-one generally include the inner bag and cover the door body on the front side opening of this inner bag, utilize heating element heating to place the food in the inner bag among the culinary art process to the realization is to the culinary art of food. Heat in the inner container can be radiated to the door body in the cooking process, so that the temperature of the door body is increased, and the risk of scalding a user exists. At present, in order to avoid the overhigh temperature of the surface of the door body, the door body of the existing cooking device is generally of a three-layer door glass structure, and the high temperature of the inner container during the operation of the oven can be still transferred to the outer door glass of the oven door body, so that the potential safety hazard of scalding users still exists in the oven door body in the operation process of the oven.
In addition, an exhaust passage with an exhaust fan is generally arranged above the existing cooking device, hot air (hot air, hot steam and the like) generated in the inner container in the cooking process is exhausted from the exhaust passage through an exhaust port on the inner container, and the exhaust port of the exhaust passage is generally arranged above the door body. Although the air outlet of the exhaust fan can play a certain cooling role on the exhaust gas entering the exhaust channel, the temperature of the gas discharged from the exhaust port of the exhaust channel is still higher, and the gas is discharged from the upper part of the door body, so that the risk of scalding a user still exists.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a cooking device with a door body heat dissipation function, which can reduce the temperature of a door body.
The second technical problem to be solved by the present invention is to provide a cooking device with a door heat dissipation function, which can prevent the user from being scalded by the discharged gas, aiming at the prior art.
The technical scheme adopted by the invention for solving at least one technical problem is as follows: a cooking device with a door body heat dissipation function comprises an inner container with a front opening, a door body capable of covering an opening of the inner container, and a water tank with a water outlet and a water return opening, wherein the door body comprises an outer door plate, an inner door plate and a middle door plate arranged between the outer door plate and the inner door plate, the cooking device is characterized in that an installation cavity is formed between the outer door plate and the middle door plate, a first heat dissipation interlayer channel capable of dissipating heat of the outer door plate and a second heat dissipation interlayer channel capable of dissipating heat of the middle door plate are sequentially arranged in the installation cavity from outside to inside, the first heat dissipation interlayer channel is provided with a first water inlet hole in fluid communication with the water outlet of the water tank and a first water outlet hole in fluid communication with the water return opening of the water tank, the second heat dissipation interlayer channel is provided with a second water inlet hole in fluid communication with the water outlet of the water tank and a second water outlet hole in fluid communication with the water return opening of the, an exhaust interlayer channel with an opening at the lower end is formed between the middle door plate and the inner door plate, an exhaust port communicated with the exhaust interlayer channel and the inner cavity of the inner container is formed in the inner door plate, and an exhaust joint used for controlling the opening and closing of the exhaust port is arranged on the exhaust port.
Further, the exhaust joint comprises an exhaust seat embedded in the exhaust port and an exhaust plate embedded in the exhaust seat, the exhaust seat is provided with an air guide port for communicating the inner cavity of the inner container with the exhaust interlayer, the exhaust plate is vertically arranged, the back surface of the air guide plate is a pressure surface and faces to the inner cavity of the inner container, the front surface of the air guide plate is connected with the air exhaust seat through a first spring, the first spring enables the air exhaust plate to have the tendency of moving backwards to shield the air guide opening, when the pressure on the pressure-receiving surface of the exhaust plate is less than or equal to the elastic force of the first spring, the exhaust plate shields the air guide opening to separate the air guide opening from the inner cavity of the inner container, when the pressure on the pressure-receiving surface of the exhaust plate is greater than the elastic force of the first spring, the exhaust plate moves forward, the air guide port is exposed, and the exhaust interlayer channel is communicated with the inner cavity of the inner container through the air guide port. In the initial cooking stage, the temperature and the humidity in the inner container are low (namely the air pressure in the inner container is less than a certain value), the pressure applied to the pressure-receiving surface of the exhaust plate is less than the elastic force of the first spring, the exhaust plate shields the air guide port, the exhaust port is closed, the gas in the inner container cannot be exhausted, and the requirement of rapid temperature rise of the inner container is met; along with the culinary art goes on, when the humiture in the inner bag reachd the threshold value (promptly the inside atmospheric pressure of inner bag is greater than a definite value), the pressure that the compression face of air discharge plate received is greater than the elastic force of first spring, the air discharge plate moves forward under the effect of the inside atmospheric pressure of inner bag, each air guide port exposes, steam in the inner bag is discharged into the exhaust intermediate layer passageway through each air guide port, the steam of second heat dissipation intermediate layer passageway in to the exhaust intermediate layer passageway cools down, the steam after the cooling is arranged outward by the opening of exhaust intermediate layer passageway lower extreme, prevent effectively that outer discharge gas from scalding the user.
Further, the exhaust seat is accommodated in the exhaust interlayer channel and comprises a circular bottom wall vertically arranged along the left-right direction, the size of the bottom wall is matched with the exhaust port, the periphery of the bottom wall horizontally extends backwards along the circumferential direction to form a side wall, the front end edge of the side wall is circumferentially connected with the opening edge of the exhaust port, the side wall is provided with the air guide ports at intervals along the circumferential direction, the shape of the exhaust plate is matched with the bottom wall and is oppositely arranged in the exhaust seat in a spaced manner from the front to the back, the center of the front surface of the exhaust plate is connected with the center of the rear surface of the bottom wall through the first spring, and the exhaust plate can move back and forth along the inner circumferential surface of the side wall. Therefore, the exhaust plate can move back and forth better under the action of the internal pressure of the liner and the elastic force of the first spring, so that the opening and closing of each air guide port can be better realized, and finally the control of the exhaust joint on the opening and closing of the exhaust port can be better realized.
Furthermore, the at least two exhaust ports are arranged on the inner door panel at intervals along the left-right direction, so that gas in the inner container can be uniformly discharged through the exhaust ports, and the stability of a temperature field in the inner container is ensured.
Further, a heat insulation layer is arranged between the first heat dissipation interlayer channel and the second heat dissipation interlayer channel in a clamping mode. Through setting up the insulating layer can avoid taking place the heat transfer and influence respective radiating effect between first heat dissipation intermediate layer passageway and the second heat dissipation intermediate layer passageway to can improve the respective radiating effect of first heat dissipation intermediate layer passageway and second heat dissipation intermediate layer passageway.
Furthermore, a heat dissipation channel with a heat dissipation fan is arranged above the inner container, a mounting opening is formed in the top wall of the heat dissipation channel, the water tank is embedded in the mounting opening, the lower portion of the water tank is submerged in the heat dissipation channel, the bottom surface of the water tank is suspended, and a heat dissipation flow channel for the air outlet of the heat dissipation fan to pass through is formed between the bottom surface of the water tank and the inner bottom surface of the heat dissipation channel. The air outlet of the heat dissipation fan can flow into the heat dissipation channel, so that the water tank is cooled, the effect of cooling water in the water tank is achieved, the temperature of water flowing into the first heat dissipation interlayer channel and the second heat dissipation interlayer channel is reduced, and the heat dissipation effect of the first heat dissipation interlayer channel and the second heat dissipation interlayer channel is improved. In addition, because the water tank is arranged above the inner container, a height difference is formed between the water tank and the water inlet holes of the radiating interlayer channels, a driving device does not need to be additionally arranged, and water in the water tank can flow into the radiating interlayer channels from the water outlet of the water tank under the siphon action.
Furthermore, the water inlets are respectively arranged at the upper ends of the corresponding heat dissipation interlayer channels, and the water outlets are respectively arranged at the lower ends of the corresponding heat dissipation interlayer channels, so that the flow area of water flowing into the heat dissipation interlayer channels can be increased, and the heat dissipation efficiency of the heat dissipation interlayer channels is further improved.
Furthermore, the water inlet holes and the water outlet holes in the radiating interlayer channels are arranged in a vertically staggered manner. Thereby further increasing the flow area of water flowing into each heat dissipation interlayer channel and further improving the heat dissipation efficiency of each heat dissipation interlayer channel.
Furthermore, a water guide inclined plane inclined from top to bottom is formed on the bottom surface of each heat dissipation interlayer channel, and each water outlet is formed at the lowest position of the corresponding heat dissipation interlayer channel. Therefore, the flow efficiency of water in each heat dissipation interlayer channel can be increased, and the heat dissipation efficiency of each heat dissipation interlayer channel is further ensured.
Further, the water outlet of the water tank comprises a first water outlet and a second water outlet, the water return port of the water tank comprises a first water return port and a second water return port, a first water inlet hole of the first heat dissipation interlayer channel is communicated with the first water outlet through a first water inlet pipe, a first water outlet hole of the first heat dissipation interlayer channel is communicated with the first water return port through a first water outlet pipe, a second water inlet hole of the second heat dissipation interlayer channel is communicated with the second water outlet through a second water inlet pipe, and a second water outlet hole of the second heat dissipation interlayer channel is communicated with the second water return port through a second water outlet pipe. Therefore, the first heat dissipation interlayer channel, the second heat dissipation interlayer channel and the water tank are communicated through independent water paths respectively, and the heat dissipation effect of each heat dissipation interlayer channel is guaranteed.
Further, the first water outlet, the second water outlet, the first water return port and the second water return port are all arranged at the lower part of the water tank and are positioned in the heat dissipation channel. In a certain temperature range, the lower the water temperature is, the higher the density of the water is, the lower the temperature of the water at the lower part of the water tank is lower than that of the water at the upper part of the water tank, thus the first water outlet and the second water outlet are arranged at the lower part of the water tank to ensure that the temperature of the water flowing into each heat dissipation interlayer channel is lower, the first water return port and the second water return port are arranged at the lower part of the water tank to ensure that the water flowing back in each heat dissipation interlayer channel is rapidly cooled, the air outlet of the heat dissipation fan in each heat dissipation channel can rapidly cool the water at each water outlet and each water return port, and the heat dissipation effects of the first heat dissipation interlayer channel and the second heat.
Furthermore, the inner door plate of the door body is respectively provided with a first mounting hole for each water inlet pipe to penetrate and a second mounting hole for each water outlet pipe to penetrate, each water inlet pipe comprises an inner water inlet branch pipe positioned inside the door body and an outer water inlet branch pipe positioned outside the door body, each water outlet pipe comprises an inner water outlet branch pipe positioned inside the door body and an outer water outlet branch pipe positioned outside the door body, each inner water inlet branch pipe is communicated with the corresponding outer water inlet branch pipe through a first water guide assembly, each first water guide assembly comprises a first water guide connector embedded in the corresponding first mounting hole and a first water guide valve connected to the corresponding outer water inlet branch pipe, each inner water outlet branch pipe is communicated with the corresponding outer water outlet branch pipe through a second water guide assembly, each second water guide assembly comprises a second water guide valve embedded in the corresponding second mounting hole and a second water guide connector connected to the corresponding outer water inlet branch pipe, when the door body is closed, the water guide joints are inserted into the corresponding water guide valves to form water guide gaps for water flow to pass through, when the door body is opened, the water guide joints are separated from the corresponding water guide valves, and the water guide valves are closed respectively. When the door body is closed, each outer water inlet branch pipe is communicated with the corresponding inner water inlet branch pipe through the first water guide assembly, so that water in the water tank can flow into each heat dissipation interlayer channel, and meanwhile, each inner water outlet branch pipe is communicated with the corresponding outer water outlet branch pipe through the second water guide assembly, so that the water in each heat dissipation interlayer channel can flow back into the water tank. When the door body is opened, the first water guide joints in the first water guide assemblies are separated from the corresponding first water guide valves, the first water guide valves close the pipe orifices of the corresponding outer water inlet branch pipes, so that water is prevented from overflowing from the pipe orifices of the outer water inlet branch pipes, meanwhile, the second water guide joints in the second water guide assemblies are separated from the corresponding second water guide valves, and the second water guide valves close the pipe orifices of the corresponding inner water outlet branch pipes, so that water is prevented from overflowing from the pipe orifices of the inner water outlet branch pipes.
Furthermore, each water guide joint comprises a cylindrical shell, one end of the shell is communicated with the corresponding inner water inlet branch pipe or the corresponding outer water outlet branch pipe, a water guide plug which is coaxially arranged with the shell and has a smaller radius than the first shell is arranged on the inner circumferential surface of the other end in an axially outward convex manner, each water guide valve comprises a cylindrical valve body, one end of the valve body is communicated with the corresponding outer water inlet branch pipe or the corresponding inner water outlet branch pipe, the other end of the valve body is provided with a valve core in a direction vertical to the valve body, a water guide opening is formed at the port of the other end, the size of the valve core is matched with the water guide opening and can seal the water guide opening, an installation convex ring is arranged in the middle of the inner cavity of the valve body, a second spring is clamped between the installation convex ring and the valve core, the second spring enables the valve core to have the tendency of moving towards the direction of the corresponding water guide plug and closing the water guide opening, and, the water guide plug is inserted into the water guide opening, and the water guide gap is formed between the valve core and the opening edge of the water guide opening. Therefore, the water guide joints in the water guide assemblies can be better communicated with and separated from the corresponding water guide valves.
Compared with the prior art, the invention has the advantages that: the door body is respectively provided with a first heat dissipation interlayer channel and a second heat dissipation interlayer channel, and an exhaust interlayer channel is formed between the middle door plate and the inner door plate, wherein the first heat dissipation interlayer channel can dissipate heat of the outer door plate, so that the phenomenon that a user is scalded due to overhigh temperature of the outer surface of the door body is avoided, meanwhile, in the cooking process, excessive hot gas in the inner container can enter the exhaust interlayer channel through an exhaust joint in an exhaust port, the second heat dissipation interlayer channel can dissipate heat and cool the hot gas entering the exhaust interlayer channel, and the gas after heat dissipation and cooling is discharged through an opening at the lower end of the exhaust interlayer channel, so that the user is fully prevented from being scalded by the high-temperature gas discharged from the inner container, the use experience of the user is greatly improved, the first heat dissipation interlayer channel and the second heat dissipation interlayer channel are prevented from realizing the heat dissipation effect by using cold water in a water tank, the, the cooking device is simple in structure, and the water paths entering the first heat dissipation interlayer channel and the second heat dissipation interlayer channel are independent, so that the temperature of water entering each heat dissipation interlayer channel is low, and the influence on the heat dissipation effect of each heat dissipation interlayer channel caused by overhigh water temperature entering each heat dissipation interlayer channel is fully avoided.
Drawings
FIG. 1 is a schematic structural diagram of a cooking device 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 cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a schematic view of a partial structure of a cooking apparatus 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 a schematic view of another partial structure of a cooking apparatus according to an embodiment of the present invention;
FIG. 9 is a schematic view of a vent fitting according to an embodiment of the present invention;
FIG. 10 is an exploded view of an exhaust fitting according to an embodiment of the present invention;
FIG. 11 is an enlarged view of portion D of FIG. 3;
FIG. 12 is an enlarged view of section E of FIG. 3;
fig. 13 is an enlarged view of portion F of fig. 3.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 13, a cooking apparatus (for example, an oven, a steam box, a steaming and baking all-in-one machine, in this embodiment, a steaming and baking all-in-one machine) with a door heat dissipation function includes an inner container 1 having an opening at a front side, a door 2 capable of covering the opening of the inner container 1, and a water tank 3 having a water outlet and a water return opening, wherein the door 2 includes an outer door panel 2a, an inner door panel 2c, and a middle door panel 2b disposed between the outer door panel 2a and the inner door panel 2 c. In this embodiment, the outer door panel 2a, the middle door panel 2b, and the inner door panel 2c are respectively an outer door glass, a middle door glass, and an inner door glass.
A mounting cavity is formed between the outer door panel 2a and the middle door panel 2b, a first heat dissipation interlayer channel 21 capable of dissipating heat from the outer door panel 2a and a second heat dissipation interlayer channel 22 capable of dissipating heat from the middle door panel 2b are sequentially arranged in the mounting cavity from outside to inside, the first heat dissipation interlayer channel 21 is provided with a first water inlet 211 which is in fluid communication with the water outlet of the water tank 3 (the fluid communication can be realized in various manners, namely, when the water outlet of the water tank 3 is adjacent to the first water inlet 211, the water outlet of the water tank 3 can be directly communicated with the first water inlet 211, and when the water outlet of the water tank 3 is far away from the first water inlet 211, the water outlet of the water tank 3 can be communicated with the first water inlet through a pipeline, as shown in fig. 3, the meaning of the fluid communication is the same as that of the fluid communication described below, and will not be described again), and the second heat dissipation interlayer channel 22 is provided with a second water inlet 221 which is in fluid communication with the water outlet of the water tank 3 and a second And the hole 222 is formed between the middle door panel 2b and the inner door panel 2c to form an exhaust interlayer channel 23 with an opening at the lower end, the inner door panel 2c is provided with an exhaust port 24 for communicating the exhaust interlayer channel 23 with the inner cavity of the liner 1, and the exhaust port 24 is provided with an exhaust joint 4 for controlling the opening and closing of the exhaust port 24.
Thus, in the invention, the door body 2 is respectively provided with the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22, and the exhaust interlayer channel 23 is formed between the middle door panel 2b and the inner door panel 2c, wherein the first heat dissipation interlayer channel 21 can dissipate heat of the outer door panel 2a, so as to prevent the user from being scalded due to overhigh temperature of the outer surface of the door body 2, meanwhile, in the cooking process, excessive hot air in the inner container 1 can enter the exhaust interlayer channel 23 through the exhaust joint 4 in the exhaust port 24, and the second heat dissipation interlayer channel 22 can dissipate heat and cool the hot air entering the exhaust interlayer channel 23, and the air after heat dissipation and temperature reduction is discharged through the opening at the lower end of the exhaust interlayer channel 23, so as to fully prevent the high-temperature air discharged from the inner container 1 from scalding the user, greatly improve the use experience of the user, and prevent the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22 from realizing the, the cooking device has a simple structure, and the water paths entering the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22 are independent from each other, so that the temperature of water entering each heat dissipation interlayer channel is ensured to be lower, and the influence on the heat dissipation effect of each heat dissipation interlayer channel caused by overhigh water temperature entering each heat dissipation interlayer channel is fully avoided.
In this embodiment, the exhaust joint 4 includes an exhaust seat 41 fitted in the exhaust port 24 and an exhaust plate 42 fitted in the exhaust seat 41, the exhaust seat 41 is provided with an air guide port 43 for communicating the inner chamber of the liner 1 with the exhaust interlayer, the exhaust plate 42 is vertically disposed, a rear surface thereof is a pressure receiving surface 421 and faces the inner chamber of the liner 1, a front surface thereof is connected to the exhaust seat 41 through a first spring 44, the first spring 44 causes the exhaust plate 42 to have a tendency of moving backward to shield the air guide port 43, when the pressure received by the pressure receiving surface 421 of the exhaust plate 42 is equal to or less than the elastic force of the first spring 44, the exhaust plate 42 shields the air guide port 43 to block the air guide port 43 from the inner chamber of the liner 1, and when the pressure received by the pressure receiving surface 421 of the exhaust plate 42 is greater than the elastic force of the first spring 44, the exhaust plate 42 moves forward, the air guide opening 43 is exposed, and the exhaust interlayer channel 23 is communicated with the inner cavity of the liner 1 through the air guide opening 43. In the initial cooking stage, the temperature and humidity in the inner container 1 are low (namely, the internal air pressure of the inner container 1 is less than a certain value), the pressure applied to the pressure-receiving surface 421 of the exhaust plate 42 is less than the elastic force of the first spring 44, the exhaust plate 42 shields the air guide port 43, the exhaust port 24 is closed, the gas in the inner container 1 cannot be exhausted, and the requirement of rapid temperature rise of the inner container 1 is met; along with the progress of cooking, when the humiture in the inner bag 1 reaches the threshold value (namely the internal air pressure of the inner bag 1 is greater than a certain value), the pressure that receives of the pressure surface 421 of the air discharge plate 42 is greater than the elastic force of the first spring 44, the air discharge plate 42 moves forward under the effect of the internal air pressure of the inner bag 1, each air guide opening 43 is exposed, hot air in the inner bag 1 is discharged into the exhaust interlayer channel 23 through each air guide opening 43, the second heat dissipation interlayer channel 22 cools the hot air in the exhaust interlayer channel 23, the cooled hot air is discharged from the opening at the lower end of the exhaust interlayer channel 23, and the user is effectively prevented from being scalded by the discharged air.
Specifically, in the present embodiment, the exhaust seat 41 is accommodated in the exhaust sandwich duct 23, the exhaust seat 41 includes a circular bottom wall 411 vertically arranged along the left-right direction, the size of the bottom wall 411 matches with the size of the exhaust port 24, the periphery of the bottom wall 411 horizontally extends backward along the circumferential direction to form a side wall 412, the front end edge of the side wall 412 is circumferentially connected with the opening edge of the exhaust port 24, the air guide ports 43 are circumferentially arranged on the side wall 412, the exhaust plate 42 is shaped to match with the bottom wall 411 and is spaced in the exhaust seat 41 in a manner of being opposite to the front and the back, the center of the front surface of the exhaust plate 42 is connected with the center of the back surface of the bottom wall 411 by the first spring 44, and the exhaust plate 42 can move back and forth along the inner circumferential surface of the side wall 412. Therefore, the exhaust plate 42 can move forward and backward better under the action of the internal pressure of the inner container 1 and the elastic force of the first spring 44, and further, the opening and closing of each air guide opening 43 can be better realized, and finally, the opening and closing of the exhaust port 24 can be better controlled by the exhaust joint 4. Preferably, in this embodiment, the four exhaust ports 24 are arranged on the inner door panel 2c at intervals in the left-right direction, so that the gas in the inner container 1 can be uniformly discharged through the exhaust ports 24, and the stability of the temperature field inside the inner container 1 is ensured. Preferably, in this embodiment, the exhaust plate 42 is provided with guide plates 45 at intervals along the circumferential direction on the circumference, and each guide plate 45 extends along the circumferential direction, so that when the exhaust plate 42 moves back and forth relative to the exhaust seat 41, each guide plate 45 can move back and forth along the inner circumferential surface of the sidewall of the exhaust seat 41, respectively, thereby making the movement of the exhaust plate 42 more stable.
Preferably, in the present embodiment, a heat insulating layer 25 (made of a heat insulating material, such as heat insulating cotton) is interposed between the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22. The heat insulating layer 25 can prevent the heat transfer between the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22 from affecting the respective heat dissipation effect, so that the respective heat dissipation effects of the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22 can be improved. Further, a heat dissipation channel 5 having a heat dissipation fan 51 is disposed above the inner container 1, a mounting opening 501 is disposed on a top wall of the heat dissipation channel 5, the water tank 3 is embedded in the mounting opening 501, a lower portion of the water tank 3 is submerged in the heat dissipation channel 5, a bottom surface of the water tank 3 is suspended, and a heat dissipation flow channel 52 through which outlet air of the heat dissipation fan 51 passes is formed between the bottom surface and an inner bottom surface of the heat dissipation channel 5. The air outlet of the heat dissipation fan 51 can flow into the heat dissipation channel 52, so as to dissipate heat from the water tank 3, thereby cooling the water in the water tank 3, reducing the temperature of the water flowing into the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22, and improving the heat dissipation effect of the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22. In this embodiment, an upper mounting plate 11 is disposed above the inner container 1, an air guiding plate 50 is disposed on the upper cover of the upper mounting plate 11, the air guiding plate 50 and the upper surface of the upper mounting plate 11 enclose the heat dissipation channel 5, support pads 33 are respectively fixed at four corners of the bottom surface of the water tank 3, and each support pad respectively abuts against the upper surface of the upper mounting plate 11, so as to form the heat dissipation channel 52. In addition, because the water tank 3 is arranged above the inner container 1, a height difference is formed between the water tank 3 and the water inlet holes of the radiating interlayer channels, a driving device does not need to be additionally arranged, and water in the water tank 3 can flow into the radiating interlayer channels from the water outlet of the water tank 3 under the siphon action.
Further, each of the water inlets is respectively disposed at the upper end of the corresponding heat dissipation interlayer channel and each of the water outlets is respectively disposed at the lower end of the corresponding heat dissipation interlayer channel, thereby increasing the flow area of water flowing into each heat dissipation interlayer channel, further improving the heat dissipation efficiency of each heat dissipation interlayer channel, and each of the water outlets is respectively disposed at the lower end of the corresponding heat dissipation interlayer channel, so that the kinetic energy of water at the water outlet of each heat dissipation interlayer channel is relatively large, and meanwhile, because the water in the water tank 3 flows out from the water outlet thereof, pressure is formed at the water outlet of the water tank 3, and thus, under the dual actions of hydrodynamic energy and hydraulic pressure, the water in each heat dissipation interlayer channel flows out from the corresponding water outlet and flows back into the inner container 1 through the water return port of the water tank 3. Preferably, the water inlet holes and the water outlet holes in the heat dissipation interlayer channels are arranged in a vertically staggered manner, so that the flow area of water flowing into the heat dissipation interlayer channels can be further increased, and the heat dissipation efficiency of the heat dissipation interlayer channels is further improved. The bottom surface of each heat dissipation interlayer channel is respectively provided with a water guide inclined plane 28 which is inclined from top to bottom, and each water outlet is respectively arranged at the lowest part of the corresponding heat dissipation interlayer channel, so that the flow efficiency of water in each heat dissipation interlayer channel can be increased, and the heat dissipation efficiency of each heat dissipation interlayer channel is further ensured.
In this embodiment, the water outlets of the water tank 3 include a first water outlet 311 and a second water outlet 312, the water return port of the water tank 3 includes a first water return port 321 and a second water return port 322, the first water inlet 211 of the first heat dissipation interlayer channel 21 is communicated with the first water outlet 311 through a first water inlet pipe 6a, the first water outlet 212 of the first heat dissipation interlayer channel 21 is communicated with the first water return port 321 through a first water outlet pipe 7a, the second water inlet 221 of the second heat dissipation interlayer channel 22 is communicated with the second water outlet 312 through a second water inlet pipe 6b, and the second water outlet 222 of the second heat dissipation interlayer channel 22 is communicated with the second water return port 322 through a second water outlet pipe 7 b. Therefore, the first heat dissipation interlayer channel 21 and the second heat dissipation interlayer channel 22 can be communicated with the water tank 3 through independent water paths, and the heat dissipation effect of each heat dissipation interlayer channel is ensured. The first water outlet 311, the second water outlet 312, the first water return port 321, and the second water return port 322 are all disposed at a lower portion of the water tank 3 and are located in the heat dissipation channel 5. In a certain temperature range, the lower the water temperature is, the higher the density of the water is, so that the temperature of the water at the lower part of the water tank 3 is lower than that of the water at the upper part of the water tank 3, the first water outlet 311 and the second water outlet 312 are arranged at the lower part of the water tank 3 to ensure that the temperature of the water flowing into each heat dissipation interlayer channel is lower, the first water return port 321 and the second water return port 322 are arranged at the lower part of the water tank 3 to ensure that the water flowing back in each heat dissipation interlayer channel can be rapidly cooled, the air outlet of the heat dissipation fan 51 in the heat dissipation channel 5 can rapidly cool the water at each water outlet and each water return port, and the heat dissipation effects of the first heat dissipation interlayer channel 21 and the second heat dissipation.
Further, in this embodiment, the inner door panel 2c of the door body 2 is respectively provided with a first mounting hole 261 for each water inlet pipe to pass through and a second mounting hole 262 for each water outlet pipe to pass through, each water inlet pipe respectively comprises an inner water inlet branch pipe 61 located inside the door body 2 and an outer water inlet branch pipe 62 located outside the door body 2, each water outlet pipe respectively comprises an inner water outlet branch pipe 71 located inside the door body 2 and an outer water outlet branch pipe 72 located outside the door body 2, each inner water inlet branch pipe 61 is communicated with the corresponding outer water inlet branch pipe 62 through a first water guide assembly 8, each first water guide assembly 8 comprises a first water guide connector 8a embedded in the corresponding first mounting hole 261 and a first water guide valve 8b connected to the corresponding outer water inlet branch pipe 62, each inner water outlet branch pipe 71 is communicated with the corresponding outer water outlet branch pipe 72 through a second water guide assembly 9, each second water guide assembly 9 includes a second water guide valve 9b embedded in the corresponding second mounting hole 262 and a second water guide joint 9a connected to the corresponding water outlet branch pipe 72, when the door body 2 is closed, each water guide joint is inserted into the corresponding water guide valve to form a water guide gap 88 through which water flows, when the door body 2 is opened, each water guide joint is separated from the corresponding water guide valve, and each water guide valve is closed respectively. Thus, when the door body 2 is closed, each external water inlet branch pipe 62 is communicated with the corresponding internal water inlet branch pipe 61 through the first water guide assembly 8, so that water in the water tank 3 can flow into each heat dissipation interlayer channel, and meanwhile, each internal water outlet branch pipe 71 is communicated with the corresponding external water outlet branch pipe 72 through the second water guide assembly 9, so that water in each heat dissipation interlayer channel can flow back into the water tank 3. When the door body 2 is opened, the first water guide joint 8a in each first water guide assembly 8 is separated from the corresponding first water guide valve 8b, and the first water guide valve 8b seals the pipe orifice of the corresponding external water inlet branch pipe 62, so as to prevent water from overflowing from the pipe orifice of the external water inlet branch pipe 62, meanwhile, the second water guide joint 9a in each second water guide assembly 9 is separated from the corresponding second water guide valve 9b, and the second water guide valve 9b seals the pipe orifice of the corresponding internal water outlet branch pipe 71, so as to prevent water from overflowing from the pipe orifice of the internal water outlet branch pipe 71. In addition, in this embodiment, the first water outlet 311 and the second water outlet 312 are respectively disposed at two ends of the bottom surface of the water tank 3, the outer water inlet branch pipes 62 respectively extend vertically downward and then are bent in an arc shape to extend horizontally forward, the upper ends of the inner water inlet branch pipes 61 respectively extend horizontally and the lower ends thereof extend vertically downward, and the upper ends and the lower ends of the inner water inlet branch pipes 61 are connected by the arc-shaped bent sections, so that the water in the inner water inlet branch pipes 61 can be well prevented from overflowing. The first water return port 321 and the second water return port 322 are respectively provided at both ends of a lower portion of the rear side surface of the water tank 3, and free ends of the respective outlet branch pipes 72 are respectively extended horizontally to extend downward, so that the water in the outlet branch pipes 72 can be well prevented from overflowing, and the respective inner outlet branch pipes 71 are extended horizontally.
Specifically, in this embodiment, each water guiding joint includes a cylindrical housing 81, one end of the housing 81 is communicated with the corresponding inner water inlet branch pipe 61 or the corresponding outer water outlet branch pipe 72, a water guiding plug 82 that is coaxially disposed with the housing 81 and has a smaller radius than the first housing 81 is disposed on the inner circumferential surface of the other end in an axially outward protruding manner, each water guiding valve includes a cylindrical valve body 83, one end of the valve body 83 is communicated with the corresponding outer water inlet branch pipe 62 or the corresponding inner water outlet branch pipe 71, the other end is provided with a valve core 84 in a direction perpendicular to the valve body 83, a port of the other end forms a water guiding port 85, the size of the valve core 84 is matched with the water guiding port 85 and can seal the water guiding port 85, a mounting convex ring 86 is disposed in the middle of an inner cavity of the valve body 83, a second spring 87 is interposed between the mounting convex ring 86 and the valve core 84, the second spring 87 makes the valve core 84 have a tendency of moving toward the corresponding water guiding plug 82 and sealing the water guiding port 85, in a state where the door 2 is closed, the water guide plug 82 is inserted into the water guide port 85, and the water guide gap 88 is formed between the valve body 84 and the edge of the water guide port 85. Therefore, the water guide joints in the water guide assemblies can be better communicated with and separated from the corresponding water guide valves.
The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.
Claims (13)
1. A cooking device with a door body heat dissipation function comprises an inner container (1) with a front opening, a door body (2) capable of covering an opening of the inner container (1) and a water tank (3) with a water outlet and a water return opening, wherein the door body (2) comprises an outer door plate (2a), an inner door plate (2c) and a middle door plate (2b) arranged between the outer door plate (2a) and the inner door plate (2c), the cooking device is characterized in that an installation cavity is formed between the outer door plate (2a) and the middle door plate (2b), a first heat dissipation interlayer channel (21) capable of dissipating heat of the outer door plate (2a) and a second heat dissipation interlayer channel (22) capable of dissipating heat of the middle door plate (2b) are sequentially arranged in the installation cavity from outside to inside, the first heat dissipation interlayer channel (21) is provided with a first water inlet hole (211) in fluid communication with the water outlet of the water tank (3) and a first water outlet (212) in fluid communication with the water return opening of the water tank (3), the second heat dissipation interlayer channel (22) is provided with a second water inlet hole (221) which is in fluid communication with a water outlet of the water tank (3) and a second water outlet hole (222) which is in fluid communication with a water return port of the water tank (3), an exhaust interlayer channel (23) with an opening at the lower end is formed between the middle door panel (2b) and the inner door panel (2c), an exhaust port (24) which is communicated with the exhaust interlayer channel (23) and an inner cavity of the inner container (1) is formed in the inner door panel (2c), and an exhaust joint (4) which is used for controlling the opening and closing of the exhaust port (24) is arranged on the exhaust port (24).
2. The cooking apparatus with door heat dissipation function according to claim 1, wherein the exhaust joint (4) comprises an exhaust seat (41) embedded in the exhaust port (24) and an exhaust plate (42) embedded in the exhaust seat (41), the exhaust seat (41) is provided with an air guide port (43) for communicating the inner cavity of the inner container (1) with the exhaust interlayer channel (23), the exhaust plate (42) is vertically arranged, the rear surface of the exhaust plate is a pressure receiving surface (421) and faces the inner cavity of the inner container (1), the front surface of the exhaust plate is connected with the exhaust seat (41) through a first spring (44), the first spring (44) enables the exhaust plate (42) to have a tendency of moving backwards to shield the air guide port (43), when the pressure received by the pressure receiving surface (421) of the exhaust plate (42) is less than or equal to the elastic force of the first spring (44), the exhaust plate (42) shields the air guide opening (43) to separate the air guide opening (43) and the inner cavity of the inner container (1), when the pressure applied to the pressure receiving surface (421) of the exhaust plate (42) is larger than the elastic force of the first spring (44), the exhaust plate (42) moves forwards, the air guide opening (43) is exposed, and the exhaust interlayer channel (23) is communicated with the inner cavity of the inner container (1) through the air guide opening (43).
3. The cooking apparatus with door heat dissipation function according to claim 2, wherein the exhaust seat (41) is accommodated in the exhaust sandwich channel (23), the exhaust seat (41) comprises a circular bottom wall (411) vertically arranged along the left-right direction, the size of the bottom wall (411) matches with the exhaust port (24), the periphery of the bottom wall (411) horizontally extends backwards along the circumferential direction to form a side wall (412), the front end edge of the side wall (412) is circumferentially connected with the mouth edge of the exhaust port (24), the side wall (412) is circumferentially provided with the air guide ports (43) at intervals, the shape of the exhaust plate (42) matches with the bottom wall (411) and is spaced in the exhaust seat (41) in a front-back opposite manner, and the center of the front surface of the exhaust plate (42) is connected with the center of the back surface of the bottom wall (411) through the first spring (44), the exhaust plate (42) is movable back and forth along the inner peripheral surface of the side wall (412).
4. The cooking apparatus with door body heat dissipation function according to claim 3, wherein the number of the exhaust ports (24) is at least two and is provided on the inner door panel (2c) at intervals in the left-right direction.
5. The cooking device with the door body heat dissipation function according to any one of claims 1 to 4, wherein a heat insulation layer (25) is sandwiched between the first heat dissipation interlayer channel (21) and the second heat dissipation interlayer channel (22).
6. The cooking device with the door body heat dissipation function according to any one of claims 1 to 4, wherein a heat dissipation channel (5) having a heat dissipation fan (51) is disposed above the inner container (1), an installation opening (501) is formed in a top wall of the heat dissipation channel (5), the water tank (3) is embedded in the installation opening (501), a lower portion of the water tank (3) is submerged in the heat dissipation channel (5), a bottom surface of the water tank (3) is suspended, and a heat dissipation flow channel (52) for passing outlet air of the heat dissipation fan (51) is formed between the bottom surface of the water tank and an inner bottom surface of the heat dissipation channel (5).
7. The cooking device with the door body heat dissipation function according to any one of claims 1 to 4, wherein the water inlet holes are respectively formed in the upper end of the corresponding heat dissipation interlayer channel, and the water outlet holes are respectively formed in the lower end of the corresponding heat dissipation interlayer channel.
8. The cooking device with the door body heat dissipation function according to claim 7, wherein the water inlet holes and the water outlet holes in the heat dissipation interlayer channels are arranged in a vertically staggered manner.
9. The cooking apparatus with door body heat dissipation function according to claim 8, wherein the bottom surface of each heat dissipation sandwich channel is formed with a water guiding inclined surface (28) inclined from top to bottom, and each water outlet is formed at the lowest position of the corresponding heat dissipation sandwich channel.
10. The cooking device with door body heat dissipation function according to claim 6, the water outlet of the water tank (3) comprises a first water outlet (311) and a second water outlet (312), the water return port of the water tank (3) comprises a first water return port (321) and a second water return port (322), the first water inlet hole (211) of the first heat dissipation interlayer channel (21) is communicated with the first water outlet hole (311) through a first water inlet pipe (6a), the first water outlet hole (212) of the first heat dissipation interlayer channel (21) is communicated with the first water return hole (321) through a first water outlet pipe (7a), and a second water inlet hole (221) of the second heat dissipation interlayer channel (22) is communicated with the second water outlet hole (312) through a second water inlet pipe (6b), and a second water outlet hole (222) of the second heat dissipation interlayer channel (22) is communicated with the second water return hole (322) through a second water outlet pipe (7 b).
11. The cooking device with door body heat dissipation function according to claim 10, wherein the first water outlet (311), the second water outlet (312), the first water return opening (321) and the second water return opening (322) are all disposed at a lower portion of the water tank (3) and located in the heat dissipation channel (5).
12. The cooking device with door body heat dissipation function according to claim 10, wherein the inner door panel (2c) of the door body (2) is respectively provided with a first mounting hole (261) for each water inlet pipe to penetrate through and a second mounting hole (262) for each water outlet pipe to penetrate through, each water inlet pipe respectively comprises an inner water inlet branch pipe (61) located inside the door body (2) and an outer water inlet branch pipe (62) located outside the door body (2), each water outlet pipe respectively comprises an inner water outlet branch pipe (71) located inside the door body (2) and an outer water outlet branch pipe (72) located outside the door body (2),
moreover, each inner water inlet branch pipe (61) is communicated with the corresponding outer water inlet branch pipe (62) through a first water guide component (8), each first water guide component (8) comprises a first water guide joint (8a) embedded in the corresponding first mounting hole (261) and a first water guide valve (8b) connected to the corresponding outer water inlet branch pipe (62), each inner water outlet branch pipe (71) is communicated with the corresponding outer water outlet branch pipe (72) through a second water guide component (9), each second water guide component (9) comprises a second water guide valve (9b) embedded in the corresponding second mounting hole (262) and a second water guide joint (9a) connected to the corresponding outer water outlet branch pipe (72),
when the door body (2) is closed, each water guide joint is inserted into the corresponding water guide valve to form a water guide gap (88) for water flow to pass through, when the door body (2) is opened, each water guide joint is separated from the corresponding water guide valve, and each water guide valve is closed respectively.
13. The cooking device with door body heat dissipation function according to claim 12, wherein each water guiding joint comprises a cylindrical housing (81), one end of the housing (81) is communicated with the corresponding inner water inlet branch pipe (61) or outer water outlet branch pipe (72), a water guiding plug (82) which is coaxially arranged with the housing (81) and has a smaller radius than the first housing (81) is arranged on the inner circumferential surface of the other end in an axially outward protruding manner, each water guiding valve comprises a cylindrical valve body (83), one end of the valve body (83) is communicated with the corresponding outer water inlet branch pipe (62) or inner water outlet branch pipe (71), the other end of the valve body is provided with a valve core (84) in a direction perpendicular to the valve body (83), and a port of the other end forms a water guiding port (85),
the size of the valve core (84) is matched with the water guide port (85) and can seal the water guide port (85), an installation convex ring (86) is arranged in the middle of an inner cavity of the valve body (83), a second spring (87) is clamped between the installation convex ring (86) and the valve core (84), the valve core (84) is enabled to have the trend of moving towards the direction of the corresponding water guide plug (82) and sealing the water guide port (85) by the second spring (87), the water guide plug (82) is inserted into the water guide port (85) when the door body (2) is in a closed state, and the water guide gap (88) is formed between the valve core (84) and the port edge of the water guide port (85).
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| CN112914354B (en) | 2022-03-18 |
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