CN109222629B - Control method of electric steam box - Google Patents
Control method of electric steam box Download PDFInfo
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- CN109222629B CN109222629B CN201811132115.0A CN201811132115A CN109222629B CN 109222629 B CN109222629 B CN 109222629B CN 201811132115 A CN201811132115 A CN 201811132115A CN 109222629 B CN109222629 B CN 109222629B
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- evaporator
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- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 185
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 238000010411 cooking Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses an electric steam box and a control method thereof, wherein the electric steam box comprises a water tank, a switching mechanism, an evaporator and a heat exchange mechanism, wherein a water outlet of the water tank is respectively connected with the evaporator and the heat exchange mechanism through the switching mechanism, and water flowing out of the water outlet of the water tank enters the evaporator through controlling the work of the switching mechanism or enters the evaporator after being preheated by the heat exchange mechanism, so that the steam generation speed of the evaporator can be improved, and the continuity of steam output by the evaporator is improved.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to a control method of an electric steam box.
Background
In the related art, the current electric steam boxes have a plurality of defects in the using process, for example, when a user observes the cooking condition of food in the cooking process, the electric steam boxes are often easy to be blocked or scalded by discharged steam.
In addition, the water adding logic of the evaporator of the current electric steam box is that a temperature controller is added at the bottom of the evaporator, after water in the evaporator is boiled to be dry, the evaporator is continuously heated to the preset temperature of the temperature controller, an instruction is given to the controller, the controller controls a water pump to add water into the evaporator, at the moment, the water is added, before the water is heated to be boiled, the inner container of the electric steam box is in a steam-free input state, the whole cooking process enables the cooking temperature to be suddenly high or suddenly low, so that the cooking time is increased, the water and nutrition of food are lost, and the optimal effect of various steamed dishes cannot be achieved.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the problems of the prior art, and therefore, the present invention provides an electric steamer, which can increase the steam generation speed of the evaporator and improve the continuity of the output steam of the evaporator.
In addition, the invention provides a control method of the electric steam box, which can improve the continuity of steam output by the evaporator and improve the cooking effect.
The first object is achieved by the following technical scheme:
the utility model provides an electric steam box, includes water tank, switching mechanism, evaporimeter and heat exchange mechanism, wherein the delivery port of water tank pass through switching mechanism respectively with the evaporimeter heat exchange mechanism links to each other, through control switching mechanism's work makes the water that flows from the delivery port of water tank enters into in the evaporimeter or earlier through heat exchange mechanism preheats before entering into in the evaporimeter.
In some embodiments, the electric steam box is provided with a box body and an inner container arranged in the box body, an exhaust assembly is arranged on the box body, an exhaust channel is formed in the exhaust assembly, the exhaust channel is communicated with the inner container, and the heat exchange mechanism is arranged in the exhaust channel.
In some embodiments, the heat exchange mechanism comprises a cold water pipe, a hot water pipe and a plurality of heat exchange fins distributed at intervals, the cold water pipe is mutually communicated with the hot water pipe, a water inlet of the cold water pipe and a water outlet of the hot water pipe are respectively connected with the switching mechanism, and the hot water pipe is at least partially penetrated into the heat exchange fins distributed at intervals.
In some embodiments, a fan is disposed on one side of the exhaust assembly, and the fan is used for blowing the steam entering the exhaust channel from the liner to the heat exchange mechanism.
In some embodiments, the exhaust assembly comprises an upper cover and a lower cover assembled together, and an air inlet communicated with the liner is formed in the lower cover;
and the upper cover and/or the lower cover are/is provided with an exhaust port for exhausting steam outwards.
In some embodiments, the water tank further comprises a water drain pipe, a water outlet is formed in the lower cover, one end of the water drain pipe is communicated with the water outlet, and the other end of the water drain pipe is communicated with the inner container.
In some embodiments, the liner has a drain hole at which a plug is disposed.
In some embodiments, the switching mechanism adopts a four-way valve, which is provided with a first interface and a second interface for water inflow, a third interface and a fourth interface for water outflow, wherein the first interface is connected with the water outlet of the water tank, the second interface is connected with the water outlet of the heat exchange mechanism, the third interface is connected with the water inlet of the heat exchange mechanism, and the fourth interface is connected with the water inlet of the evaporator.
The second object is achieved by the following technical scheme:
the control method of the electric steam box is applied to the electric steam box, and comprises the following steps of:
starting an electric steam box, and detecting the temperature of a cavity in the electric steam box;
if the detected cavity temperature does not reach the preset temperature, controlling the switching mechanism to work so that water flowing out of the water outlet of the water tank enters the evaporator;
if the detected cavity temperature reaches the preset temperature, controlling the switching mechanism to work so that water flowing out of the water outlet of the water tank is preheated by the heat exchange mechanism and then enters the evaporator;
and closing the electric steam box after cooking is finished.
In some embodiments, the preset temperature is 80 ℃ to 100 ℃.
In some embodiments, if the detected cavity temperature does not reach the preset temperature, the first interface and the fourth interface of the switching mechanism are controlled to be opened, and water flowing out of the water outlet of the water tank enters the switching mechanism through the first interface and then enters the evaporator through the fourth interface;
if the detected cavity temperature reaches the preset temperature, the first interface, the second interface, the third interface and the fourth interface of the switching mechanism are controlled to be opened, water flowing out of the water outlet of the water tank enters the switching mechanism through the first interface and then enters the heat exchange mechanism through the third interface for preheating, and preheated water enters the switching mechanism through the second interface and then enters the evaporator through the fourth interface.
Compared with the prior art, the invention has at least the following effects:
1. the electric steam box can improve the steam generation speed of the evaporator and the continuity of the output steam of the evaporator.
2. The control method of the electric steam box can improve the continuity of the steam output by the evaporator and improve the cooking effect.
Other advantageous results of the invention will be described in the detailed description with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of an electric steamer in an embodiment of the invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic water flow diagram of the heat exchange mechanism when the temperature of the cavity in the embodiment of the invention does not reach the preset temperature;
FIG. 4 is a schematic water flow diagram of the heat exchange mechanism when the cavity temperature reaches a preset temperature in an embodiment of the invention;
FIG. 5 is an exploded view of an electric steamer in an embodiment of the invention;
FIG. 6 is a schematic perspective view of a lower cover in an embodiment of the invention;
fig. 7 is a flow chart of a control method in an embodiment of the invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Embodiment one: as shown in fig. 1 to 6, the present embodiment provides an electric steamer, which comprises a water tank 1, a switching mechanism 2, an evaporator 3 and a heat exchange mechanism 4, wherein a water outlet of the water tank 1 is respectively connected with the evaporator 3 and the heat exchange mechanism 4 through the switching mechanism 2, a water pump 9 is arranged between the water outlet of the water tank 1 and the switching mechanism 2, and water flowing out of the water outlet of the water tank 1 enters the evaporator 3 or enters the evaporator 3 after being preheated by the heat exchange mechanism 4 by controlling the operation of the switching mechanism 2.
The electric steam box of the embodiment can improve the steam generation speed of the evaporator and improve the continuity of the output steam of the evaporator.
Specifically, when the cavity temperature of the electric steam box does not reach the preset temperature, water flowing out of the water outlet of the water tank 1 directly enters the evaporator 3, when the cavity temperature of the electric steam box reaches the preset temperature, the water flowing out of the water outlet of the water tank 1 is preheated through the heat exchange mechanism 4, the rate of heating and generating steam of the evaporator 3 can be effectively increased when the preheated water enters the evaporator 3, the continuity of the steam output by the evaporator is maintained, the cooking temperature of the whole cooking process is ensured to be kept stable, the time for cooking is not increased, the water and nutrition loss of food are avoided, and the optimal effect of various steamed dishes is further achieved.
In this embodiment, the electric steamer has box 5 and set up in the inner bag of box 5 the inside, be provided with exhaust assembly 6 on box 5, form the exhaust passage in exhaust assembly 6, exhaust passage is linked together with the inner bag, heat transfer mechanism 4 sets up in the exhaust passage in order to carry out heat transfer work, through the heat that discharges steam its carried carries to the cold water that flows through heat transfer mechanism 4 preheat, thereby can improve the utilization ratio of energy, avoid the wasteful use of energy, in addition, after carrying out heat transfer through heat transfer mechanism 4, can effectively reduce the temperature of discharge steam, reduce the discharge of steam, receive the steam shielding or scalding of discharge when avoiding the user to observe the food culinary art condition in the culinary art process, thereby improve the security that the electric steamer used.
Further, the heat exchange mechanism 4 adopts a condenser structure or a similar condenser structure, in this embodiment, the heat exchange mechanism 4 includes a cold water pipe 41, a hot water pipe 42 and a plurality of heat exchange fins 43 distributed at intervals, the cold water pipe 41 is mutually communicated with the hot water pipe 42, that is, the water outlet of the cold water pipe 41 is communicated with the water inlet of the hot water pipe 42, the water inlet of the cold water pipe 41 and the water outlet of the hot water pipe 42 are respectively connected with the switching mechanism 2, and the hot water pipe 42 is at least partially arranged among the heat exchange fins 43 distributed at intervals, that is, the heat exchange fins 43 distributed at intervals are connected into a whole through the hot water pipe 42. The heat exchange fin 43 performs heat exchange operation to transfer the heat carried by the discharged steam to the cold water flowing through the hot water pipe 42, and heat the cold water to raise the temperature of the cold water.
In this embodiment, a fan 7 is disposed on one side of the exhaust component 6, specifically, the fan 7 is a cross-flow fan, and the fan 7 is used for blowing the steam entering the exhaust channel from the inner container to the heat exchange mechanism 4, so as to improve the flow rate of the steam in the exhaust component, thereby achieving the purposes of improving the heat exchange efficiency and accelerating the energy exchange. Specifically, the fan 7 is used for blowing the steam entering the exhaust channel from the inner container into the gaps between the two adjacent heat exchange fins 43, so that the heat exchange efficiency of the heat exchange mechanism 4 can be heated, and meanwhile, the steam passing through the heat exchange mechanism 4 is discharged outwards from the exhaust port of the exhaust assembly.
In this embodiment, the exhaust assembly 6 includes an upper cover 61 and a lower cover 62 assembled together, an air inlet 620 communicating with the inner container is formed on the lower cover 62, a valve body 10 is disposed at the air inlet 620, and when the steam pressure in the inner container exceeds a preset threshold value, the steam in the inner container will jack up the valve body 10 and enter into an exhaust channel of the exhaust assembly 6 from the air inlet 620;
the upper cover 61 and/or the lower cover 62 are/is provided with the exhaust port 63 for exhausting steam outwards, and the steam subjected to heat exchange through the heat exchange mechanism 4 is exhausted outwards at the exhaust port 63, so that the temperature of the exhausted steam can be effectively reduced, the exhaust of the steam is reduced, the phenomenon that a user is blocked or scalded by the exhausted steam when observing the cooking condition of food in the cooking process is avoided, and the use safety of the electric steam box is improved.
Preferably, the drain pipe 8 is further provided, the lower cover 62 is provided with a drain hole 621, a concave area is formed in the lower cover 52, the drain hole 621 is arranged at the bottom of the concave area, so that accumulation of condensed water is avoided and flows to the drain hole 621, one end of the drain pipe 8 is communicated with the drain hole 621, the other end of the drain pipe 8 is communicated with the inner container, namely, the drain pipe 8 is used for guiding the condensed water discharged from the drain hole 621 into the inner container, and then the condensed water accumulated in the inner container is uniformly discharged outwards.
Preferably, a plug is arranged at the drain hole of the inner container, and when the electric steam box stops working and the condensed water is required to be discharged outwards, the plug at the drain hole is opened.
Specifically, the switching mechanism 2 adopts a four-way valve, which is provided with a first interface 21 and a second interface 22 for water inflow, a third interface 23 and a fourth interface 24 for water outflow, wherein the first interface 21 is connected with the water outlet of the water tank 1, the second interface 22 is connected with the water outlet of the heat exchange mechanism 4, the third interface 23 is connected with the water inlet of the heat exchange mechanism 4, and the fourth interface 24 is connected with the water inlet of the evaporator 3. The four-way valve has relatively low cost and more reliable operation, and can realize the design purpose of the invention. Of course, switching mechanisms of different structures may be adopted according to actual situations, as long as the design object of the present invention can be achieved.
The electric steam box of the embodiment, the heat exchange mechanism 4 adopts a condenser structure, the condenser comprises a water inlet pipe 41, a water outlet pipe 42 and heat exchange fins 43, water flowing out from the switching mechanism 2 and entering the water inlet pipe 41 passes through the heat exchange fins 43, steam flowing through an exhaust passage passes through the large-area heat exchange fins 43, part of steam is condensed on the heat exchange fins 43 to generate condensed water and transfer heat to the heat exchange fins 43, and the rest of steam is continuously discharged, namely, is discharged outwards through an exhaust port 63. And the flowing warm water or cold water in the cold water pipe 41, the hot water pipe 42 increases in temperature after absorbing the heat of the heat exchange fin 43. The preheated water enters the evaporator 3 to be heated and evaporated into steam, so that the steam generation time can be shortened, and the steam quantity of the exhaust port 63 can be reduced.
Embodiment two: as shown in fig. 7, the present embodiment provides a control method of an electric steamer, which is applied to the electric steamer according to the first embodiment, and the control method includes:
starting the electric steam box, and detecting the temperature of a cavity in the electric steam box;
if the detected cavity temperature does not reach the preset temperature, the switching mechanism 2 is controlled to work so that water flowing out of the water outlet of the water tank 1 enters the evaporator 3;
if the detected cavity temperature reaches the preset temperature, the switching mechanism 2 is controlled to work, so that water flowing out of the water outlet of the water tank 1 is preheated by the heat exchange mechanism 4 and then enters the evaporator 3;
and closing the electric steam box after cooking is finished.
After cooking, the blockage at the inner side of the cavity can be pulled out, and condensed water in the exhaust component 6 is discharged into the cavity through the condensed water drain pipe 8, so that the user can clean the cavity conveniently.
According to the control method of the electric steam box, the continuity of steam output by the evaporator can be improved, and the cooking effect is improved.
Specifically, the preset temperature is 80 ℃ to 100 ℃, and in this embodiment, the preset temperature is 95 ℃, so as to illustrate the implementation. Of course, the specific values of the preset temperatures are limited to the examples described, and should not be construed as limiting the scope of the invention.
Further, if the detected cavity temperature does not reach 95 ℃, the first interface 21 and the fourth interface 24 of the switching mechanism 2 are controlled to be opened, and water flowing out of the water outlet of the water tank 1 enters the switching mechanism 2 through the first interface 21 and then enters the evaporator 3 through the fourth interface 24, wherein the water flow schematic diagram can be seen in fig. 3, and the arrow direction in fig. 3 represents the water flow direction;
if the detected cavity temperature reaches 95 ℃, the first interface 21, the second interface 22, the third interface 23 and the fourth interface 24 of the switching mechanism 2 are controlled to be opened, water flowing out of the water outlet of the water tank 1 enters the switching mechanism 2 through the first interface 21 and then enters the heat exchange mechanism 4 through the third interface 23 for preheating, preheated water enters the switching mechanism 2 through the second interface 22 and then enters the evaporator 3 through the fourth interface 24, a water flow schematic diagram can be seen in fig. 4, and the arrow direction in fig. 4 represents the water flow direction.
When the electric steam box starts to cook, as the cavity of the electric steam box has no steam or only a small amount of steam, the amount of the steam discharged by the electric steam box is too small to provide enough heat for the heat exchange mechanism 4, and the water injection path is too long when water is injected to the evaporator 3 through the heat exchange mechanism 4, so that the time for generating steam is increased. Therefore, the direction of the water injection waterway is controlled by the switching mechanism 2, the movable valve rod of the four-way electromagnetic valve is closed just before the temperature in the cavity reaches 95 ℃ during cooking, water in the water injection path is directly fed into the water injection pipe of the evaporator through the water outlet pipe of the water pump, namely, water flowing out of the water outlet of the water tank 1 enters the switching mechanism 2 through the first interface 21 and then enters the evaporator 3 through the fourth interface 24, and the water enters the evaporator to heat and discharge steam through the shortest path. When the temperature in the cavity reaches 95 ℃ and above, the valve rod of the four-way electromagnetic valve is opened, water in the water injection path flows from the water outlet pipe of the water pump to the water inlet pipe of the condenser, and after being preheated by heat transfer through steam and the heat exchange fins, the water flows from the water outlet pipe of the condenser to the water injection pipe of the evaporator to enter the evaporator for rapid heating and steam outlet.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (10)
1. The control method of the electric steam box is characterized by comprising a water tank (1), a switching mechanism (2), an evaporator (3) and a heat exchange mechanism (4), wherein a water outlet of the water tank (1) is respectively connected with the evaporator (3) and the heat exchange mechanism (4) through the switching mechanism (2), water flowing out of the water outlet of the water tank (1) enters the evaporator (3) through controlling the operation of the switching mechanism (2) or enters the evaporator (3) after being preheated by the heat exchange mechanism (4), and the control method comprises the following steps:
starting an electric steam box, and detecting the temperature of a cavity in the electric steam box;
if the detected cavity temperature does not reach the preset temperature, controlling the switching mechanism (2) to work so that water flowing out of the water outlet of the water tank (1) enters the evaporator (3);
if the detected cavity temperature reaches the preset temperature, controlling the switching mechanism (2) to work so that water flowing out of the water outlet of the water tank (1) is preheated by the heat exchange mechanism (4) and then enters the evaporator (3);
and closing the electric steam box after cooking is finished.
2. The control method of an electric steam box according to claim 1, characterized in that the electric steam box is provided with a box body (5) and an inner container arranged in the box body (5), an exhaust assembly (6) is arranged on the box body (5), an exhaust channel is formed in the exhaust assembly (6), the exhaust channel is communicated with the inner container, and the heat exchange mechanism (4) is arranged in the exhaust channel.
3. The control method of an electric steam box according to claim 2, wherein the heat exchange mechanism (4) comprises a cold water pipe (41), a hot water pipe (42) and a plurality of heat exchange fins (43) distributed at intervals, the cold water pipe (41) is communicated with the hot water pipe (42), a water inlet of the cold water pipe (41) and a water outlet of the hot water pipe (42) are respectively connected with the switching mechanism (2), and the hot water pipe (42) is at least partially penetrated into the heat exchange fins (43) distributed at intervals.
4. A control method of an electric steam box according to claim 3, characterized in that a fan (7) is arranged on one side of the exhaust assembly (6), said fan (7) being arranged to blow steam entering the exhaust channel from the inner container towards the heat exchange means (4).
5. The control method of the electric steam box according to claim 2, wherein the exhaust assembly (6) comprises an upper cover (61) and a lower cover (62) which are assembled together, and an air inlet (620) communicated with the inner container is formed on the lower cover (62);
the upper cover (61) and/or the lower cover (62) are/is provided with an exhaust port (63) for exhausting steam outwards.
6. The control method of an electric steamer as recited in claim 5, further comprising a drain pipe (8), wherein a drain hole (621) is formed in the lower cover (62), one end of the drain pipe (8) is communicated with the drain hole (621), and the other end is communicated with the inner container.
7. The control method of an electric steamer as recited in claim 6, wherein the inner container has a drain hole, and a plug is provided at the drain hole.
8. A control method of an electric steamer as claimed in any one of claims 1 to 7, characterized in that the switching mechanism (2) adopts a four-way valve with a first interface (21) for water inlet, a second interface (22) and a third interface (23) for water outlet, a fourth interface (24), wherein the first interface (21) is connected with the water outlet of the water tank (1), the second interface (22) is connected with the water outlet of the heat exchange mechanism (4), the third interface (23) is connected with the water inlet of the heat exchange mechanism (4), and the fourth interface (24) is connected with the water inlet of the evaporator (3).
9. The method of claim 1, wherein the predetermined temperature is 80 ℃ to 100 ℃.
10. The control method of an electric steamer according to claim 1, characterized in that:
if the detected cavity temperature does not reach the preset temperature, controlling a first interface (21) and a fourth interface (24) of the switching mechanism (2) to be opened, and enabling water flowing out of a water outlet of the water tank (1) to enter the switching mechanism (2) through the first interface (21) and then enter the evaporator (3) through the fourth interface (24);
if the detected cavity temperature reaches the preset temperature, the first interface (21), the second interface (22), the third interface (23) and the fourth interface (24) of the switching mechanism (2) are controlled to be opened, water flowing out of the water outlet of the water tank (1) enters the switching mechanism (2) through the first interface (21) and then enters the heat exchange mechanism (4) through the third interface (23) for preheating, and the preheated water enters the switching mechanism (2) through the second interface (22) and then enters the evaporator (3) through the fourth interface (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132115.0A CN109222629B (en) | 2018-09-27 | 2018-09-27 | Control method of electric steam box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132115.0A CN109222629B (en) | 2018-09-27 | 2018-09-27 | Control method of electric steam box |
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| CN109222629B true CN109222629B (en) | 2024-01-19 |
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| CN111557587B (en) * | 2020-04-23 | 2021-06-15 | 宁波方太厨具有限公司 | Steam low-displacement steam box |
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| JP2000184964A (en) * | 1998-12-24 | 2000-07-04 | Matsushita Electric Ind Co Ltd | Heating and steaming cooker |
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