CN110367812B - Safe and energy-saving cooking utensil - Google Patents

Safe and energy-saving cooking utensil Download PDF

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Publication number
CN110367812B
CN110367812B CN201810329045.1A CN201810329045A CN110367812B CN 110367812 B CN110367812 B CN 110367812B CN 201810329045 A CN201810329045 A CN 201810329045A CN 110367812 B CN110367812 B CN 110367812B
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China
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steam
cooling
air
inlet
air inlet
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CN110367812A (en
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朱泽春
于凌振
邱雄杰
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Joyoung Co Ltd
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Joyoung Co Ltd
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/04Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/38Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/04Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • A47J2027/043Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam

Abstract

The invention discloses a safe and energy-saving cooking utensil, which comprises a body, a pot body and a steam generator arranged in the body, wherein the pot body is placed in the body, the steam generator is communicated with the inside of the pot body to supply steam to heat food in the pot body, it is characterized in that a steam condensing device which is communicated with the pot body to condense steam is also arranged in the main body, the steam condensing device comprises a cooling mixing cavity and a fan for accelerating steam cooling, the cooling mixing cavity is provided with an air inlet, an air outlet, a first steam inlet and a water outlet, the first steam inlet introduces steam into the cooling mixing cavity, the water outlet is arranged at the bottom of the cooling mixing cavity, the fan is provided with an air suction opening and an air outlet, cold air blown out from the air outlet enters the cooling mixing cavity from the air inlet to be mixed and cooled with steam, the cooled gas is discharged out of the condensing device through the air outlet, and the water outlet is directly or indirectly communicated with the steam generator to heat condensed water to form steam. The invention can ensure the cooling effect and improve the cooling efficiency.

Description

Safe and energy-saving cooking utensil
Technical Field
The invention relates to the field of kitchen appliances, in particular to a safe and energy-saving cooking appliance.
Background
Electric rice cooker, pressure cooker are as the kitchen necessity, and the food taste of its culinary art is agreed and accepted by everybody, in order to promote the culinary art effect, further promotes the food effect, and a kind of electric rice cooker with steam heating has appeared in the trade, and this kind of steam heating's electric rice cooker, the steam volume of its production is bigger, more, and in the culinary art in-process, it need discharge more steam, may cause the risk of polluting the kitchen environment, also may scald the user.
For solving above-mentioned problem, the practice in the trade is for setting up the water-cooling tank, with the leading-in cold aquatic cooling of steam and collect the comdenstion water, this kind of structure is to long-time culinary art, the temperature rises obviously, and the cooling effect is relatively poor to inside the water tank still need regularly change water and clearance water tank, the user used and trouble, and caused a large amount of water energy extravagant.
Disclosure of Invention
The invention provides a cooking appliance which is good in cooling effect and energy-saving.
The invention adopts the following technical scheme:
a safe and energy-saving cooking utensil, which comprises a body, a pot body and a steam generator arranged in the body, wherein the pot body is arranged in the body, the steam generator is communicated with the interior of the pot body to supply steam to heat food in the pot body, a steam condensing device communicated with the pot body to condense steam is also arranged in the pot body, the steam condensing device comprises a cooling mixing cavity and a fan for accelerating steam cooling, the cooling mixing cavity is provided with an air inlet, an exhaust port, a first steam inlet and a water outlet, the first steam inlet introduces steam into the cooling mixing cavity, the volume of the cooling mixing cavity is 100ml to 600ml, the water outlet is arranged at the bottom of the cooling mixing cavity, the fan is provided with an air suction opening and an air outlet, cold air blown out from the air outlet enters the cooling mixing cavity from the air inlet to be mixed and cooled with steam, the cooled gas is discharged out of the condensing device through the air outlet, and the water outlet is directly or indirectly communicated with the steam generator to heat condensed water to form steam.
The fan is fixedly arranged on the outer side wall of the cooling mixing cavity, and the air outlet is communicated with the air inlet.
The air inlet is arranged on the side wall of the cooling mixing cavity, and the air outlet is arranged on the top wall of the cooling mixing cavity; or the air inlet and the air outlet are arranged on the adjacent side walls of the cooling mixing cavity; or the air inlet and the air outlet are arranged on the side wall of the cooling mixing cavity, and the heights of the air inlet and the air outlet are different; or the air inlet and the air outlet are both arranged on the top wall of the cooling mixing cavity, and the distance between the air inlet and the air outlet is 1 cm-8 cm.
The cooling mixing cavity is internally provided with a steam guide section and a mixing part, the mixing part is arranged at the rear end of the steam guide section, and the air inlet is arranged at the end part of the steam guide section.
A cooling channel is arranged in the cooling mixing cavity, and an air inlet and a first steam inlet are arranged at the front end of the cooling channel; or a condensing plate or a water condensing bulge is arranged in the cooling mixing cavity.
The air inlet direction of the air inlet faces the mixing part; or a turbulent baffle facing the mixing part is arranged in the cooling mixing cavity.
The front end of the first steam inlet is also provided with a cooling buffer cavity and a second steam inlet, the leading-in steam of the second steam inlet enters the cooling buffer cavity, and the first steam inlet is communicated with the cooling buffer cavity to lead the steam in the cooling buffer cavity into a cooling mixing cavity.
And a cooling piece is arranged in the cooling buffer cavity, and the cooling piece is a condenser or cooling plates or cooling channels which are arranged in a staggered mode.
The exhaust port is connected with an exhaust pipe, and at least part of the exhaust pipe is provided with a metal cooling part.
The cooling buffer cavity is arranged around the exhaust pipe.
The invention has the beneficial effects that:
according to the safe and energy-saving cooking utensil, the steam condensing device is arranged in the cooking utensil body and comprises the cooling mixing cavity and the fan for accelerating steam cooling, cold air is sucked by the fan and continuously enters the cooling mixing cavity to be mixed with steam for cooling, and cooled gas is discharged out of the cooling mixing cavity to form flowing mixed cooling, so that the cooling effect is ensured, and the cooling efficiency is greatly improved. In addition, due to the driving force of the fan, the amount of cold air entering the steam turbine is larger than that of steam, the mixing and cooling effect is obvious, and the temperature of the discharged steam is lower than 50 ℃. In addition, the cold air in the invention has lower temperature relative to steam, is mainly taken from the environment, and can be obtained by refrigeration equipment. Furthermore, the water outlet is directly or indirectly communicated with the steam generator to heat the condensed water to form steam, so that the condensed water obtained by condensing the steam is recycled, water energy is saved, and the amount of stored water is reduced. And the volume of the cooling mixing cavity is 100ml to 600ml, so that the space and time for mixing cold air and steam can be effectively ensured, and the cooling is more sufficient.
Furthermore, the fan is fixedly arranged outside the cooling mixing cavity, the air outlet is communicated with the air inlet, and the fan is fixedly arranged on the side wall or the lower part of the cooling mixing cavity. The installation of the fan can be facilitated, and the influence of condensed water in the cooling mixing cavity on the fan is avoided.
Furthermore, the air inlet is arranged on the side wall of the cooling mixing cavity, the exhaust port is arranged on the top wall of the cooling mixing cavity, and the exhaust port is arranged on the upper portion of the cooling mixing cavity, so that condensed water at the exhaust port can be guaranteed to flow back to the cooling mixing cavity and cannot overflow. And the risk of an optimal path can not occur, and the effect of mixed cooling is ensured. In the same way, the air inlet and the air outlet are arranged on the adjacent side walls of the cooling mixing cavity; or the air inlet and the air outlet are arranged on the side wall of the cooling mixing cavity, and the heights of the air inlet and the air outlet are different; or the air inlet and the air outlet are both arranged on the top wall of the cooling mixing cavity, and the distance between the air inlet and the air outlet is 1 cm-8 cm.
Furthermore, a steam guide section and a mixing part are arranged in the cooling mixing cavity, the mixing part is arranged at the rear end of the steam guide section, and an air inlet is formed in the end part of the steam guide section. So, set up through the guide section, guarantee in the leading-in cavity of steam, avoid the fan to blow and cause the risk of steam backward flow. Through setting up at steam guide section tip at the air intake, can guarantee that steam comes out the back by the guide section, contact with cold wind promptly, realize the cooling mixture, promote cooling efficiency.
Furthermore, the air inlet direction of the air inlet faces the mixing part, so that the air is driven to enter the mixing part through the entering cold air, and the risk of impacting the steam guide section is avoided; similarly, the cooling mixing cavity is internally provided with a turbulence baffle facing the mixing part, and can also guide steam and cold air to enter the mixing part together.
Furthermore, a cooling channel is arranged in the cooling mixing cavity, the air inlet and the first steam inlet are arranged at the front end of the cooling channel, the time for discharging steam is prolonged by arranging the cooling channel, and the effect of mixed cooling is ensured. Further, the cooling mixing cavity is internally provided with a condensing plate or a water condensing protrusion to realize condensation of steam condensate water and effectively reduce water content.
Further, the first condensate water outlet is arranged on the bottom wall of the cooling and mixing cavity. Therefore, the condensed water formed in the cooling mixing cavity can be directly discharged.
As the best embodiment of the invention, the front end of the first steam inlet is also provided with a cooling buffer cavity and a second steam inlet, the second steam inlet introduces steam into the cooling buffer cavity, and the first steam inlet is communicated with the cooling buffer cavity to introduce the steam in the cooling buffer cavity into the cooling mixing cavity. Through setting up the cooling buffer chamber for the flow path of steam gets into the cooling buffer chamber precooling by second steam inlet, gets into the cooling mixing chamber by first steam inlet again, has realized the refrigerated effect of second grade. And set up the cooling cushion chamber, can avoid cooling mixing intracavity cold wind to get into steam inlet front end, produce the end to steam and exert an influence.
Furthermore, a cooling piece is arranged in the buffer cavity, and the cooling piece is a condenser or cooling plates or cooling channels which are arranged in a staggered mode. So as to play a better buffering effect, ensure that the steam generating end can not be cooled while ensuring the temperature reduction.
Further, the exhaust port is connected with an exhaust pipe, and at least part of the exhaust pipe is provided with a metal cooling part. In this way, the exhaust gas is further cooled. Still further, the cooling buffer chamber is disposed around the exhaust pipe. Therefore, the exhaust pipe is used for cooling steam in the cold buffer cavity, and the cooling effect is further improved.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a safe and energy-saving cooking appliance according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the vapor condensing unit of FIG. 1;
FIG. 3 is a schematic structural view of a second embodiment of the steam condensing apparatus according to the present invention;
FIG. 4 is a schematic diagram of a vapor condensing apparatus according to the third embodiment of the present invention.
Detailed Description
The invention relates to a safe and energy-saving cooking utensil, which comprises a body, a pot body and a steam generator arranged in the body, wherein the pot body is placed in the body, the steam generator is communicated with the interior of the pot body to supply steam to heat food in the pot body, a steam condensing device communicated with the pot body to condense steam is also arranged in the pot body, the steam condensing device comprises a cooling mixing cavity and a fan for accelerating steam cooling, the cooling mixing cavity is provided with an air inlet, an air outlet, a first steam inlet and a water outlet, the first steam inlet introduces steam into the cooling mixing cavity, the water outlet is arranged at the bottom of the cooling mixing cavity, the fan is provided with an air suction opening and an air outlet, cold air blown out from the air outlet enters the cooling mixing cavity from the air inlet to be mixed and cooled with steam, the cooled gas is discharged out of the condensing device through the air outlet, and the water outlet is directly or indirectly communicated with the steam generator to heat condensed water to form steam. So, realize that steam is cooled off in the cooling mixing chamber, the lower and water content of combustion gas temperature, temperature greatly reduced can directly drop to below 50 ℃, can not produce the risk of fog. In the invention, cold air blown out from the air outlet of the fan can completely enter the cooling mixing cavity or partially enter the cooling mixing cavity, but the amount of the cold air entering is ensured to be larger than the amount of steam entering, cold air and hot air in the cooling mixing cavity are fanned by the fan, the mixing effect is better, the steam can be rapidly cooled, the air formed after mixing and cooling is discharged out of the condensing device or out of the cooling mixing cavity through the air outlet and enters the ambient atmosphere, and the risk of scalding is avoided. In addition, the water outlet is directly or indirectly communicated with the steam generator to heat the condensed water to form steam, so that the recycling of the condensed water is realized, and the water energy is greatly saved.
The first embodiment is as follows:
referring to fig. 1 and 2, a first embodiment of a safe and energy-saving cooking device 50 according to the present invention includes a body 51, a pot 52, and a steam generator 53 disposed in the body, the pot 52 is disposed in the body 51, the steam generator 53 is communicated with the inside of the pot to heat food in the pot with steam, a steam condensing device 100 is further disposed in the body to be communicated with the pot to condense steam, the steam condensing device includes a cooling mixing chamber 1 and a fan 2 for accelerating steam cooling, the cooling mixing chamber 1 is provided with an air inlet 11, an air outlet 12, a first steam inlet 13 and a water outlet 14, the first steam inlet 13 introduces steam into the cooling mixing chamber 1, and the water outlet 14 is disposed at the bottom of the cooling mixing chamber 1. The fan 2 is provided with an air suction opening 21 and an air outlet 22, cold air blown out from the air outlet 22 enters the cooling mixing cavity 1 from the air inlet 11 to be mixed and cooled with steam, the cooled air is discharged out of the condensing device through the air outlet 12, and the water discharge opening 14 is directly or indirectly communicated with the steam generator 53 to heat condensed water to form steam.
In this embodiment, the main body 51 includes a base 511 and a top 512, an open accommodating space 513 and a connecting portion 514 are disposed between the base 511 and the top 512, and the pot 52 is placed in the accommodating space 513 and has a frame structure. The steam generator 53 is arranged in the connecting part 514, the water tank 54 is arranged on the other side of the connecting part 514, the steam condensing device 100 is arranged in the top 512, the lower end of the top 512 is provided with a steam supply port communicated with the pot body 52 and a discharge port communicated with the steam condensing device 100, and furthermore, the water tank 54 supplies water to the steam generator through the water pump 55. The body with the frame structure can facilitate the taking and the placing of the pot body. In this embodiment, the pot body 52 is a double-layer vacuum metal pot body, and the steam generated by the steam generator 53 enters the pot body to realize pure steam heating. Of course, the skilled in the art can improve the material and structure of the pot body under the conception of the invention. The steam generator can also be used for auxiliary heating, other heating devices are additionally arranged, or the steam generator is matched with other heaters to heat food in the pot body. The combination of the heating modes is modified under the conception of the invention and also belongs to the protection scope of the invention. Of course, the base can also comprise a pot body and a pot cover, the pot body is an inner pot and is placed in the pot body, and the pot cover is hinged on the pot body to close the pot body. The pot body is equipped with steam generator, water tank, water pump, is equipped with steam condensing equipment on the pot cover, and steam generator passes through the steam port intercommunication pot body that the pot cover downside set up, and the pot cover still is equipped with the gas vent in addition to intercommunication steam condensing equipment. The steam generated by the steam generator may be heated as pure steam, or as primary or secondary heating. That is to say, the specific structure of the body and the pot body can be changed, and the core idea of the invention is to cool steam by a steam condensing device to realize the recycling of condensed water.
As the best embodiment, the water outlet of the invention is communicated with the water supply front section of the water pump, so that when the water pump works, condensed water is directly pumped away and enters the steam generator.
As an improved embodiment, the condensed water discharged from the water outlet of the steam condensing device flows to a water collecting box for storage or flows back to the steam generator for reuse. The structure of the flow back to the steam generator is that the water supply end of the water pump flows into the front end of the steam generator and can also flow into the water tank. Therefore, the utilization of water can be reduced, and energy can be saved.
As a modified example, the steam generator of the present invention adopts a boiler type heating structure, but of course, other structures of steam generating devices, such as a tube type steam generator, may be adopted.
In addition, when the cooking is finished, in order to avoid long-time storage of the condensed water, the cooling mixing cavity is provided with a second water outlet for discharging, and particularly provided with an electromagnetic valve, and after the cooking is finished, the second electromagnetic valve is opened to discharge the condensed water generated by the redundant steam.
Referring to fig. 2, as a preferred embodiment, the cooling mixing chamber 1 includes a cooling mixing chamber 1 and a fan 2 for accelerating steam cooling, the cooling mixing chamber 1 is provided with an air inlet 11, an air outlet 12, a first steam inlet 13 and a water outlet 14, the first steam inlet 13 introduces steam into the cooling mixing chamber 1, and the water outlet 14 is disposed at the bottom of the cooling mixing chamber 1. The fan 2 is provided with an air suction opening 21 and an air outlet 22, cold air blown out from the air outlet 22 enters the cooling mixing cavity 1 from the air inlet 11 to be mixed and cooled with steam, and the cooled air is discharged out of the condensing device through the air outlet 12.
As a preferred embodiment, the cooling mixing chamber 1 is made of metal or plastic, the air inlet 11 is disposed on a side wall of the cooling mixing chamber 1 and located in the middle of the cooling mixing chamber, so as to prevent condensed water in the cooling mixing chamber 1 from entering the air inlet 11, and the height h from the bottom wall of the cooling mixing chamber 1 is more than 2 cm. The exhaust port 12 is arranged at the top of the cooling mixing cavity 1 and is far away from the side wall provided with the air inlet 11, so that the gas discharge time is prolonged, the mixing is ensured to be sufficient, the condensed water near the exhaust port can flow back, or a guide structure is arranged to avoid the water flowing out. In addition, in this embodiment, in order to ensure the cooling effect, the volume of the cooling mixing chamber 1 is at least 100ml, but considering that the volume of the cooling mixing chamber 1 cannot be too large to avoid the product volume from being too large when it is applied to small kitchen appliances, the volume of the cooling mixing chamber 1 is set to be less than 600ml, specifically 100ml, 150ml, 200ml to 300ml, or 400ml, 450ml, or 500ml or 550ml, that is, the volume is greater than or equal to 100ml, and is any value less than 600ml, and the specific volume size can be selected by those skilled in the art according to the product shape to which it is applied, but is at least 100 ml.
Further, to ensure that the gas exhausted from the exhaust port 12 has a low moisture content, an exhaust pipe may be provided outside the exhaust port 12, and the exhaust pipe may condense a portion of the moisture to minimize the moisture. In order to improve the effect, the exhaust pipe can be a pipe made of metal or a pipe made of metal and plastic in a combined mode, or a part of the exhaust pipe is a metal pipe, so that a further heat dissipation effect is achieved. And, through setting up the pipeline, can conveniently control exhaust gas's direction, further reduce the safety risk.
As an improved embodiment, the first steam inlet 13 of the cooling mixing chamber 1 may be disposed near the air inlet 11, and the direction of introducing steam from the first steam inlet 13 is the same as the air inlet direction of the air inlet 11, or is closer to the air inlet direction of the air inlet 11, because the air inlet amount at the air inlet 11 is large and the air speed is fast, a jet flow driving effect may be formed on the steam at the first steam inlet 13, so that the steam may enter the cold air flow to be mixed and cooled quickly. As a preferred embodiment, a duct may be provided at the first steam inlet 13 to guide the entering steam to the vicinity of the wind inlet 11, or to make it in the same direction as the wind inlet of the wind inlet 11.
Furthermore, a steam guide section 15 and a mixing part 16 are arranged in the cooling mixing cavity 1, the guide section is a guide pipe or a guide plate, the mixing part is arranged at the rear end of the steam guide section, and the air inlet 11 is arranged at the end part of the steam guide section 15 to quickly impact steam. Of course, one skilled in the art can also arrange the first steam inlet 13 opposite to the air inlet 11 to mix in a counter-flow manner. Furthermore, for guaranteeing that the cold wind flow direction is controllable, guarantee that the hybrid cooling effect promotes, air intake air inlet direction orientation mixing portion, specific implementation can be that the fan sets up towards mixing portion slope, perhaps sets up the guide board. Of course, those skilled in the art may also adopt a turbulent baffle plate disposed in the cooling mixing chamber and facing the mixing portion to guide the air inlet direction of the air inlet.
Furthermore, as a modified embodiment, in order to ensure sufficient cooling of the steam, the amount of cool air entering from the air inlet 11 per unit time is at least 1 time of the amount of steam entering from the first steam inlet 13. However, if the intake air volume is too large, the wind speed will be increased, which is more favorable for sufficient heat dissipation, so the amount of cold air entering from the air inlet 11 in the upper limit time is set to be 10 times of the amount of steam entering from the first steam inlet 13 in this embodiment. Specifically, in the present embodiment, the selection may be in the range of 1 to 10 times according to the application. For the products of the rice cooker and the pressure cooker, the selection of the volume of 3L is 1-5 times, the selection of the volume of 4-5L is 3-7 times, and the selection of the volume of more than 5L is considered to be more than 5 times, and the selection is mainly realized by the rotating speed of the fan. That is, in this embodiment, it is preferable that all of the cool air blown out by the fan enters the cooling mixing chamber 1, but it is needless to say that a partial entering structure is possible if it is ensured that the amount of the cool air entering corresponds to the amount of the steam. Further, in order to increase the amount of cold air to be introduced, one skilled in the art may blow cold air by using two or three fans. In addition, in the embodiment, in view of structural convenience and in order to ensure the cooling air volume, all the cool air blown out by the fan enters the cooling mixing chamber, and a part of the cool air entering the cooling chamber may also be adopted by those skilled in the art, and the part of the cool air is used for cooling the outer wall or other parts of the cooling mixing chamber.
In addition, in order to ensure the mixing effect and form the effect of cold air impact steam mixing, the speed of cold air entering from the air inlet 11 is higher than that of steam entering from the first steam inlet 13, so as to break up the steam, form impact mixing and accelerate cooling.
For the same reason, to ensure sufficient cooling of the steam, the area of the air inlet 11 should be set larger than that of the first steam inlet 13. According to the difference of the steam quantity, the ratio of the area of the air inlet 11 to the area of the first steam inlet 13 is 1 to 5. Therefore, the rotating speed of the fan can be properly reduced, and the service life of the fan is guaranteed.
In addition, as a modified embodiment, after both the cool air and the steam enter the cooling mixing chamber 1, in order to ensure the mixing cooling sufficiency and not to make the pressure of the cooling mixing chamber 1 too high, and to generate exhaust noise, the ratio of the area of the exhaust port 12 to the area of the air inlet 11 is 1 to 2. The optimal two are equal, so that the formed pressure is micro-pressure, and the smoothness of the exhaust is ensured.
In this embodiment, the drain opening 14 is provided at the bottom of the cooling mixing chamber 1. Therefore, the condensed water can be quickly discharged out of the steam condensing device. Of course, those skilled in the art may use the cooling mixing chamber 1 as a temporary storage unit for the condensed water, as long as the stored condensed water is controlled not to overflow the air inlet. As a modified example, the bottom of the cooling mixing chamber 1 may be provided with an inclined structure toward the drain port 14 to guide water.
As a modified embodiment, a cooling channel is arranged in the cooling mixing cavity 1, the first steam inlet 13 and the air inlet 11 are arranged at the front end of the cooling channel, and the air outlet 12 is arranged at the rear end. Of course, a condensing plate or a water condensing protrusion can be arranged in the cooling mixing cavity 1, so that the water vapor can form condensed water quickly.
As another embodiment, in the present invention, the air inlet and the air outlet are disposed on adjacent sidewalls of the cooling mixing chamber, and the air inlet direction of the air inlet is crossed with the air outlet direction, so that the air entering from the air inlet can take away a part of the discharged air, further cooling is achieved, and the temperature of the discharged air is ensured to be low. In another embodiment, the air inlet and the air outlet are arranged on the side wall of the cooling mixing cavity, and the heights of the air inlet and the air outlet are different, so that cold air is prevented from directly entering the air outlet, and the height difference is 2 cm-10 cm. In another embodiment, the air inlet and the air outlet are both arranged on the top wall of the cooling and mixing cavity, and the distance between the air inlet and the air outlet is 1 cm-8 cm. The exhaust delay can be met, and the optimal path can be avoided.
Further, as a modified embodiment, the cooling mixing chamber 1 may be used as a temporary storage tank to temporarily store the condensed water in consideration of a small amount of the condensed water.
In this embodiment, the fan 2 is fixed outside the cooling mixing cavity through a fixing frame 23, the fan is provided with an air suction opening 21 and an air outlet 22, the air suction opening 21 and the air outlet 22 are both arranged on the fixing frame, and a filter screen (not shown) is arranged at the air suction opening to ensure the cleanness and sanitation of the sucked air. The air outlet 22 is directly opposite to the air inlet 11 of the cooling mixing cavity for communication, and of course, the communication can also be realized through a pipeline. As a modified embodiment, an air guiding structure may be disposed at the air outlet 22 or the air inlet 11 to guide the air to the cooling and mixing chamber. In addition, set up anti-return baffle, the gas that reduces to mix with steam is at air outlet 22 or air intake 11 department condensation and is avoided the comdenstion water to flow to the fan when not the fan is out of work, influences the fan life-span, and specific anti-return baffle can set up with wind-guiding structure is integrative, sets up the upper portion baffle at air intake 11 for example.
As an improved embodiment, the fan is an axial flow fan, so that the cost is low, and the fixing structure is simple. Of course, a turbo fan may be used, and the fan may be selected to have the air suction opening 21 and the air outlet 22, and the air suction opening 21 and the air outlet 22 may be disposed on the fixing frame 22 or on the housing of the fan.
The arrows in fig. 2 indicate the main flow direction of the steam and cold air, the mixing vortex therein not being shown.
The above description is about the specific embodiment of the steam cooling device of the present invention, and the main point of the invention is that a large amount of cool air is blown by a fan and rapidly mixed with steam to achieve the effect of reducing the temperature, for example, the blown cool air and the steam amount are 2 times, the ambient temperature is 25 ℃, the steam temperature is 100 ℃, and the temperature discharged from the exhaust port by the present invention is ((100-25)/3) + 30-50 ℃. The actual exhaust temperature is lower than 50 ℃ or even lower due to the influence of heat dissipation caused by the blowing of the fan, heat dissipation in mixing time, heat dissipation in circulation process and a heat dissipation structure. That is, with the aspect of the present invention, the temperature of the mixed gas discharged from the gas outlet is lower than 50 ℃. Therefore, the risk of scalding is avoided, the water content of the low-temperature gas is low, and the problem of fog pollution cannot occur. Of course, the invention can also be used for cooling mixtures of oil fumes and steam.
The technical scheme mainly protected by the invention is that a cooling mixing cavity 1 is arranged, steam is guided into the cooling mixing cavity, and cold air blown out by a fan 2 completely enters the cooling mixing cavity to ensure enough cold air, so that the steam in the cooling mixing cavity is quickly reduced, the cooling effect is greatly improved, and the cooling device is applied to an electric cooker, a pressure cooker or a steam cooker to reduce a large amount of steam exhausted in the process of cooking rice or soup and porridge.
Example two:
referring to fig. 3, in a second embodiment of the present invention, a cooling buffer chamber 3 is added on the basis of the first embodiment, the cooling buffer chamber 3 is disposed at the front end of a first steam inlet 13, the cooling buffer chamber is provided with a second steam inlet 31 for introducing steam into the cooling buffer chamber 3, and the first steam inlet 13 is communicated with the cooling buffer chamber 3 for introducing the steam in the cooling buffer chamber into the cooling mixing chamber 1.
In this embodiment, the cooling buffer chamber 3 is disposed at the front end of the first steam inlet 13 to primarily cool and buffer the steam entering the cooling mixing chamber, so as to prevent the cold air in the cooling mixing chamber from entering the cooling mixing chamber and affecting the steam heating at the front end or the heating effect at the front end.
As a modified embodiment, the cooling buffer chamber 3 is further provided with a drain hole (not shown), and the drain hole guides the condensed water therein into the cooling mixing chamber or directly discharges the condensed water. Of course, the drain hole can also be directly communicated with the first steam inlet so as to realize both water drainage and steam export.
As a modified example, a cooling member 32 is disposed in the cooling buffer cavity, and the cooling member 32 is a condenser or a staggered cooling plate or a cooling channel. Therefore, the buffering and cooling effects of the steam in the cooling buffer cavity are improved. Of course, one skilled in the art may select at least one of the three types of coolers to achieve the cooling enhancing effect. Furthermore, the condenser is a metal heat dissipation wall arranged on the top plate of the cooling buffer cavity, one side of the metal heat dissipation wall forms the cooling buffer cavity, and the other side of the metal heat dissipation wall is open to the outside to dissipate heat. Of course, a necessary water condensation structure, such as a protrusion, may be provided in the metal heat dissipation wall.
As a modified embodiment, the exhaust port 12 on the cooling mixing cavity is connected with the exhaust pipe 121, the cooling buffer cavity 3 is arranged around the periphery of the exhaust pipe 121, on one hand, condensation of moisture at the exhaust port can be avoided, on the other hand, the temperature of the exhaust gas from the exhaust pipe is low, and the cooling effect of the cooling buffer cavity can be improved.
As a modified embodiment, the cooling mixing cavity 1 is positioned below the cooling buffer cavity 3 to facilitate the flow of the condensed water.
As a modified embodiment, the volume of the cooling mixing cavity and the cooling buffer cavity can be adjusted by those skilled in the art according to the actual steam quantity.
As an improved embodiment, the cooling buffer cavity is arranged in a flat mode, so that the contact between steam and a cooling piece is enlarged, and the buffering cooling effect is guaranteed. The cooling mixing cavity is vertically arranged to ensure the effect of mixed cooling.
This implementation sets up cooling cushion chamber 3 through the front end at cooling mixing chamber 1 in order to promote the cooling effect to through pipeline setting, cooling piece setting, realize many multiple cooling, guarantee that the steam condensation back, the combustion gas temperature further reduces. Of course, a person skilled in the art may also arrange the cooling buffer chamber at the rear end of the cooling mixing chamber, and this change of position does not avoid the description scope of the first embodiment of the present invention, and the steam is cooled by using the air-cooling mixing scheme.
Example three:
referring to fig. 4, a fourth embodiment of the present invention is modified from the first embodiment in that the cooling mixing chamber 1 includes a first mixing portion 10 formed by the steam inlet pipe 4, and a second mixing portion 20, and the first steam inlet is a boundary between the steam inlet pipe and the first mixing portion. That is, the third steam inlet 41 is provided at the front end of the steam inlet duct to introduce steam, the first mixing part 10 for cooling the mixing chamber is formed at the rear end of the steam inlet duct 4, and the second mixing part 20 is formed to mix, discharge air, drain water, and the like.
As a preferred embodiment, the shape of the second mixing part is consistent with the embodiment. The air inlet is provided in the first mixing section 10. This embodiment adopts the leading-in pipeline of steam, constitutes a part of cooling hybrid chamber, has increaseed the cooling effective path of cooling hybrid chamber, and the cooling effect promotes greatly.
Furthermore, the air inlet is arranged on the first mixing part, and the air inlet direction of the air inlet is the same as the steam flowing direction in the steam guide-in pipeline. And the air inlet is arranged at the position of the steam leading-in pipeline and is at least 0.1 to 0.8 of the length of the steam leading-in pipeline away from the air inlet of the steam leading-in pipeline. In order to ensure the cooling effect, avoid influencing steam heating portion or causing the influence to heating portion steam.
Above this embodiment forms first mixing portion through the back end of steam inlet pipe way, and the air intake setting has ensured the intensive mixing of air conditioning and steam promptly in first mixing portion, has guaranteed the cool time again, promotes greatly to the cooling effect of steam.
The above embodiments are only specific embodiments of the present invention, and those skilled in the art can combine or simply adjust the embodiments according to the description of the specification, and still fall within the scope of the present invention.

Claims (9)

1. A safe and energy-saving cooking utensil comprises a body, a pot body and a steam generator arranged in the body, wherein the pot body is arranged in the body, the steam generator is communicated with the inside of the pot body to heat food in the pot body by supplying steam, the safe and energy-saving cooking utensil is characterized in that the inside of the pot body is also provided with a steam condensing device communicated with the pot body to condense the steam, the steam condensing device comprises a cooling mixing cavity and a fan for accelerating steam cooling, the cooling mixing cavity is provided with an air inlet, an air outlet, a first steam inlet and a water outlet, the first steam inlet guides the steam into the cooling mixing cavity, the water outlet is arranged at the bottom of the cooling mixing cavity, the fan is provided with an air suction port and an air outlet, cold air blown out by the air outlet enters the cooling mixing cavity from the air inlet to be mixed and cooled with the steam, the cooled gas is discharged out of the condensing device through the air outlet, and the water outlet is directly or indirectly communicated with the steam generator to heat condensed water to form steam, the body includes frame and roof, the roof lower extreme is equipped with the discharge port that communicates steam condensing equipment, the front end of first steam inlet still is equipped with cooling cushion chamber and second steam inlet, and the leading-in steam of second steam inlet gets into cooling cushion chamber, and first steam inlet intercommunication cooling cushion chamber is in order to with the leading-in cooling hybrid chamber of cooling cushion intracavity steam.
2. A safe and energy-saving cooking utensil as claimed in claim 1, wherein the fan is fixedly arranged on the outer side wall of the cooling and mixing chamber, and the air outlet is communicated with the air inlet.
3. A safe and energy-saving cooking utensil as claimed in claim 2, wherein the air inlet is provided on a side wall of the cooling and mixing chamber, and the air outlet is provided on a top wall of the cooling and mixing chamber; or the air inlet and the air outlet are arranged on the adjacent side walls of the cooling mixing cavity; or the air inlet and the air outlet are arranged on the side wall of the cooling mixing cavity, and the heights of the air inlet and the air outlet are different; or the air inlet and the air outlet are both arranged on the top wall of the cooling mixing cavity, and the distance between the air inlet and the air outlet is 1 cm-8 cm.
4. A safe and energy-saving cooking utensil as claimed in claim 1, wherein the cooling mixing chamber is provided therein with a steam guide section and a mixing portion, the mixing portion is provided at a rear end of the steam guide section, and the air inlet is provided at an end of the steam guide section.
5. A safe and energy-saving cooking utensil as claimed in claim 1, wherein the cooling mixing chamber is provided with a cooling channel, and the air inlet and the first steam inlet are arranged at the front end of the cooling channel; or a condensing plate or a water condensing bulge is arranged in the cooling mixing cavity.
6. A safe and energy-saving cooking utensil as claimed in claim 4, wherein the air inlet of the air inlet is directed towards the mixing part; or a turbulent baffle facing the mixing part is arranged in the cooling mixing cavity.
7. A safe and energy-saving cooking utensil as claimed in claim 1, wherein the cooling buffer chamber is provided with a cooling member, and the cooling member is a condenser or staggered cooling plates or cooling channels.
8. A safe and energy-saving cooking appliance as claimed in claim 1, wherein the exhaust port is connected with an exhaust pipe, and the exhaust pipe is at least partially provided with a metal cooling part.
9. A safe and energy-saving cooking appliance as claimed in claim 8, wherein the cooling buffer chamber is provided around the exhaust pipe.
CN201810329045.1A 2018-04-13 2018-04-13 Safe and energy-saving cooking utensil Active CN110367812B (en)

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* Cited by examiner, † Cited by third party
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CN111297170B (en) * 2020-01-10 2022-02-11 廖淩祥 Electric cooker with fresh-keeping function
CN111728495B (en) * 2020-07-13 2021-12-21 广东美的厨房电器制造有限公司 Condensing device of cooking utensil and have its cooking utensil

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CN206365724U (en) * 2016-08-24 2017-08-01 曾穗明 A kind of soup pot that distilled water Baoshang is collected with refrigeration cooling
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CN205162746U (en) * 2015-10-23 2016-04-20 魏根 Electric steamer's condensate recovering unit
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