CN112021924B - Upper cover heating control device and control method and multifunctional steam box - Google Patents
Upper cover heating control device and control method and multifunctional steam box Download PDFInfo
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- CN112021924B CN112021924B CN202010952312.8A CN202010952312A CN112021924B CN 112021924 B CN112021924 B CN 112021924B CN 202010952312 A CN202010952312 A CN 202010952312A CN 112021924 B CN112021924 B CN 112021924B
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- upper cover
- steam box
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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
-
- 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
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
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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
-
- 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
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- 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 provides an upper cover heating control device, a control method and a multifunctional steam box, wherein the upper cover heating control device is suitable for the steam box and comprises the following components: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; the bottom heating unit is used for heating the steam box; the temperature detection unit is used for detecting the temperature in the steam box; the main controller unit is used for sending a first heating control signal to the upper cover heating unit when the temperature in the steam box is higher than a preset temperature; the upper cover heating unit is used for heating the steam box when receiving the first heating control signal; the upper cover heating unit further comprises an LN control switch for controlling the on-off of the upper cover heating unit with the zero line and the live line. The invention solves the technical problem that the user may have electric shock risk in the process of using the steam box in the prior art.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to an upper cover heating control device and a control method and a multifunctional steam box.
Background
At present, a desktop steam box generally adopts a mode of heating an upper cover to remove condensed water, when the upper cover can be detached, the upper cover is electrically connected with a steam box main body through an electric coupler, and because a heating part is strong electricity, in order to avoid potential safety hazards caused by the fact that a user immerses the upper cover in water for cleaning, the user is generally reminded through similar disclaimer-free terms such as 'the upper cover is not allowed to be immersed in water' and the like which are marked by warning; and desk-top steam ager among the prior art, in the aspect of the circuit control of upper cover, only one way control to in the lid in-process, the electric coupler corresponds and realizes the electricity connection immediately, and steam ager casing inner circuit supplies power to upper cover circuit element, can start the upper cover heating immediately after the start-up work, if the user does not soak the upper cover according to the warning requirement and wash and will produce the potential safety hazard in the aquatic, under the electrically conductive electric leakage's of the easily leading to lid condition when the upper cover has water, make the user probably have the risk of electrocuteeing in the use.
Disclosure of Invention
In view of the above, the present invention provides an upper cover heating control device, a control method thereof and a multifunctional steam box, so as to alleviate the technical problem that a user may have an electric shock risk during the process of using the steam box in the prior art.
In a first aspect, an embodiment of the present invention provides an upper cover heating control device, which is suitable for a steam box, and includes: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; the bottom heating unit is used for heating the steam box; the temperature detection unit is used for detecting the temperature in the steam box; the main controller unit is used for sending a first heating control signal to the upper cover heating unit when the temperature in the steam box is higher than a preset temperature; the upper cover heating unit is used for heating the steam box when receiving the first heating control signal; the upper cover heating unit further comprises an LN control switch for controlling the on-off of the upper cover heating unit with the zero line and the live line.
Further, the apparatus further comprises: and the cover closing detection unit is used for detecting whether the upper cover of the steam box is closed.
Further, the main controller unit is further configured to: and after the cover closing of the upper cover of the steam box is detected, sending a second heating control signal to the bottom heating unit so that the bottom heating unit heats the steam box.
Further, the upper cover heating unit further includes: a fuse and a heater, the fuse being connected in series between the LN control switch and the heater; the protective tube is used for disconnecting the electric connection between the upper cover heating unit and a power supply when the upper cover heating unit is short-circuited; the heater is used for heating the steam box.
Further, the LN control switch further includes: the relay is used for controlling the on and off of the double-pole double-throw switch.
In a second aspect, an embodiment of the present invention further provides a control method for an upper lid heating control device, which is applied to the upper lid heating control device, where the upper lid heating control device includes: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; the method comprises the following steps: controlling the bottom heating unit to heat the steam box; acquiring the temperature in the steam box through the temperature detection unit; when the temperature in the steam box is higher than a preset temperature, a first heating control signal is sent to the upper cover heating unit through the main controller unit; and controlling the upper cover heating unit to heat the steam box based on the first heating control signal.
Further, before controlling the bottom heating unit to heat the steam box, the method further comprises: and detecting whether the steam box is covered or not.
Further, control bottom heating unit heats for the steam ager, includes: and if the steam box is detected to be closed, controlling the bottom heating unit to heat the steam box.
Further, the method further comprises: obtaining target heating time; and when the working time of the bottom heating unit reaches the target heating time, stopping heating the steam box by the bottom heating unit and the upper cover heating unit.
In a third aspect, an embodiment of the present invention further provides a multifunctional steam box, where the multifunctional steam box includes the upper cover heating control device in the first aspect.
The invention provides an upper cover heating control device, a control method and a multifunctional steam box, wherein the control device comprises: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; the bottom heating unit is used for heating the steam box; the temperature detection unit is used for detecting the temperature in the steam box; the main controller unit is used for sending a first heating control signal to the upper cover heating unit when the temperature in the steam box is higher than a preset temperature; the upper cover heating unit is used for heating the steam box when receiving the first heating control signal; the upper cover heating unit further comprises an LN control switch for controlling the on-off of the upper cover heating unit with the zero line and the live line. According to the invention, the LN control switch is added on the circuit control, the two ways are disconnected when not working, and the upper cover heating unit is not immediately controlled to start heating on the control, so that the electric shock risk possibly caused by the cover closing operation of a user is avoided, and the technical problem that the electric shock risk possibly caused by the user in the process of using the steam box in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an upper cover heating control device according to an embodiment of the present invention;
fig. 2 is a schematic view of an upper cover heating unit according to an embodiment of the present invention;
FIG. 3 is a schematic view of another heating control device for an upper cover according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of an upper lid heating control apparatus according to an embodiment of the present invention;
fig. 5 is a flowchart of another control method for an upper lid heating control device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic view of an upper cover heating control device according to an embodiment of the present invention, which is suitable for a steam box. It should be noted that the steam box provided in the embodiment of the present invention has a function of a fire pan, so that the upper cover of the steam box is detachable.
As shown in fig. 1, the apparatus includes: a bottom heating unit 10, a temperature detection unit 20, a main controller unit 30, and an upper cover heating unit 40.
Specifically, a bottom heating unit 10 for heating the steam box.
A temperature detecting unit 20 for detecting the temperature inside the steam box and transmitting the detected temperature to the main controller unit 30.
And the main controller unit 30 is used for sending a first heating control signal to the upper cover heating unit when the temperature in the steam box is higher than the preset temperature. For example, the preset temperature may be 70 ℃.
And the upper cover heating unit 40 is used for heating the steam box when receiving the first heating control signal.
Fig. 2 is a schematic diagram of an upper cover heating unit according to an embodiment of the present invention, and specifically, as shown in fig. 2, the upper cover heating unit 40 further includes an LN control switch 41 for controlling the on and off between the upper cover heating unit and the neutral line and the live line.
The invention provides an upper cover heating control device, wherein an LN control switch is added on the circuit control, two ways are disconnected when the upper cover heating control device does not work, and the upper cover heating unit is not immediately controlled to start heating on the control, so that the electric shock risk possibly occurring in the cover closing operation of a user is avoided, and the technical problem that the electric shock risk possibly occurs in the process of using a steam box by the user in the prior art is solved.
Optionally, fig. 3 is a schematic view of another upper cover heating control device provided according to an embodiment of the present invention, and as shown in fig. 3, the upper cover heating control device further includes: and the cover closing detection unit 50 is used for detecting whether the upper cover of the steam box is closed.
Optionally, the main controller unit 30 is further configured to: and after the cover closing of the steam box is detected, sending a second heating control signal to the bottom heating unit 10 to enable the bottom heating unit 10 to heat the steam box.
Alternatively, as shown in fig. 2, the upper cover heating unit 40 further includes: a fuse tube 42 and a heater 43, the fuse tube 42 being connected in series between the LN control switch 41 and the heater 43.
Optionally, the number of the fuse tubes 42 is two, and the two fuse tubes are respectively connected in series to the live wire and the neutral wire, that is, both the neutral wire and the live wire are connected with fuse tubes.
Specifically, a safety tube 42 for disconnecting the electrical connection between the upper cover heating unit and the power supply when the upper cover heating unit is short-circuited; and a heater 43 for heating the steam box. Optionally, the heater 43 is an aluminum foil heater.
Optionally, as shown in fig. 2, the LN control switch 41 further includes: a double-pole double-throw switch 44 and a relay 45, wherein the relay 45 is used for controlling the closing and the opening of the double-pole double-throw switch 44.
Optionally, as shown in fig. 2, the upper cover heating unit 40 further includes a coupler 46 disposed between the heater 43 and the safety tube 42.
Specifically, as shown in fig. 2, the upper cover heating unit 40 further controls the double-pole double-throw switch 44 through a triode control relay 45 and a relay 45, thereby controlling the on/off of both ends of the LN of the heater 43, and is connected in series with the safety tube 42 at both ends of the LN, and is electrically connected to the upper cover aluminum foil heater (i.e., the heater 43) through a coupler 46.
The embodiment of the invention also provides a multifunctional steam box which comprises the upper cover heating control device provided by the embodiment of the invention.
According to the upper cover heating control device provided by the embodiment of the invention, the relay is used for controlling the upper cover heating LN, and the protective tube is connected in series, so that the upper cover is prevented from being in a power-off state when not used for heating or in a power-on standby state, and can be protected by the protective tube when electric leakage exists, and potential safety hazards are avoided. Meanwhile, after the cover is closed in place, the heater of the upper cover is not started immediately to heat, but the heating is started when the temperature in the steam box is detected to reach the preset temperature, and the technical problem of electric shock caused by electric leakage during the cover closing operation is solved.
Example two:
fig. 4 is a flowchart of a control method of an upper lid heating control apparatus according to an embodiment of the present invention, the method being applied to the upper lid heating control apparatus, wherein the upper lid heating control apparatus includes: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit. Specifically, the method comprises the following steps:
and S402, controlling the bottom heating unit to heat the steam box.
In step S404, the temperature inside the steam box is obtained by the temperature detection unit.
Step S406, when the temperature in the steam box is higher than the preset temperature, a first heating control signal is sent to the upper cover heating unit through the main controller unit.
And step S408, controlling the upper cover heating unit to heat the steam box based on the first heating control signal.
The invention provides a control method of an upper cover heating control device, which is characterized in that an upper cover heating unit is not controlled to start heating immediately in control, so that the electric shock risk possibly caused by cover closing operation of a user is avoided, and the technical problem that the electric shock risk possibly caused by the user in the process of using a steam box in the prior art is solved.
Optionally, before controlling the bottom heating unit to heat the steam box, the method further comprises: detecting whether the steam box is covered or not; and if the steam box is detected to be closed, controlling the bottom heating unit to heat the steam box.
Optionally, the method further comprises: obtaining target heating time; and when the working time of the bottom heating unit reaches the target heating time, stopping heating the steam box by the bottom heating unit and the upper cover heating unit.
Alternatively, fig. 5 is a flowchart of a control method of another heating control device for an upper cover according to an embodiment of the present invention.
Specifically, as shown in fig. 5, after the multifunctional steam box is powered on, the selection function is started, for example, the steaming function, the hot pot function, the stewing function and the frying function can be selected; after the function is selected, the operation can be started according to the set temperature or time; during heating, whether the upper cover is closed or not is judged during the steaming function, namely whether the upper cover is closed in place or not is detected, the next stage of heating work cannot be carried out if the upper cover is not closed in place, and a user is reminded to close the upper cover through display and sound; after judging that the cover is closed in place, starting a bottom heating unit for heating; then judging whether the temperature in the pot reaches 70 ℃, if so, starting the upper cover to heat; and finally ending the operation after the working time is up.
It should be noted that, in the embodiment of the present invention, during the lid closing operation or before the lid closing operation, the upper lid is in the non-energized state. Avoid when closing the lid because the user does not put into the basin washing with the pot cover as required, cause inside humidity, the electric leakage condition can appear, the control end simultaneous control L utmost point (zero line) and the N utmost point (live wire) of simultaneous control upper cover heating, if supply socket LN connects conversely when avoiding out of work at ordinary times, cause that L utmost point is not controlled directly to cause the possible risk of electrocuting, all connect the protective tube at the both ends of following the upper cover aluminium foil heating electricity connection simultaneously, avoid causing the potential safety hazard because of the electrified part electric leakage short circuit of upper cover intaking.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an upper cover heating control device, is applicable to the steam ager, its characterized in that includes: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; wherein the content of the first and second substances,
the bottom heating unit is used for heating the steam box;
the temperature detection unit is used for detecting the temperature in the steam box;
the main controller unit is used for sending a first heating control signal to the upper cover heating unit when the temperature in the steam box is higher than a preset temperature;
the upper cover heating unit is used for heating the steam box when receiving the first heating control signal;
the upper cover heating unit also comprises an LN control switch which is used for controlling the on-off of the upper cover heating unit with the zero line and the live line;
the LN control switch further includes: the relay is used for controlling the on and off of the double-pole double-throw switch; when the upper cover heating unit does not work, the double-pole double-throw switch is in an off state.
2. The upper lid heating control device of claim 1, further comprising: and the cover closing detection unit is used for detecting whether the upper cover of the steam box is closed.
3. The upper lid heating control device of claim 2, wherein the main controller unit is further configured to: and after the cover closing of the upper cover of the steam box is detected, sending a second heating control signal to the bottom heating unit so that the bottom heating unit heats the steam box.
4. The upper lid heating control device according to claim 1, wherein the upper lid heating unit further comprises: a fuse and a heater, the fuse being connected in series between the LN control switch and the heater;
the protective tube is used for disconnecting the electric connection between the upper cover heating unit and a power supply when the upper cover heating unit is short-circuited;
the heater is used for heating the steam box.
5. A control method of an upper cover heating control device is applied to the upper cover heating control device, and the upper cover heating control device comprises the following steps: the device comprises an upper cover heating unit, a bottom heating unit, a temperature detection unit and a main controller unit; characterized in that the method comprises:
controlling the bottom heating unit to heat the steam box;
acquiring the temperature in the steam box through the temperature detection unit;
when the temperature in the steam box is higher than a preset temperature, a first heating control signal is sent to the upper cover heating unit through the main controller unit;
controlling the upper cover heating unit to heat the steam box based on the first heating control signal;
the upper cover heating unit also comprises an LN control switch which is used for controlling the on-off of the upper cover heating unit with the zero line and the live line;
the LN control switch further includes: the relay is used for controlling the on and off of the double-pole double-throw switch; when the upper cover heating unit does not work, the double-pole double-throw switch is in an off state.
6. The method of claim 5, wherein prior to controlling the bottom heating unit to heat a steam box, the method further comprises: and detecting whether the steam box is covered or not.
7. The method of claim 6, wherein controlling the bottom heating unit to heat a steam box comprises:
and if the steam box is detected to be closed, controlling the bottom heating unit to heat the steam box.
8. The method of claim 5, further comprising:
obtaining target heating time;
and when the working time of the bottom heating unit reaches the target heating time, stopping heating the steam box by the bottom heating unit and the upper cover heating unit.
9. A multifunctional steam box, characterized in that it comprises the upper cover heating control device of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952312.8A CN112021924B (en) | 2020-09-11 | 2020-09-11 | Upper cover heating control device and control method and multifunctional steam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952312.8A CN112021924B (en) | 2020-09-11 | 2020-09-11 | Upper cover heating control device and control method and multifunctional steam box |
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| Publication Number | Publication Date |
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| CN112021924A CN112021924A (en) | 2020-12-04 |
| CN112021924B true CN112021924B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010952312.8A Active CN112021924B (en) | 2020-09-11 | 2020-09-11 | Upper cover heating control device and control method and multifunctional steam box |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06217869A (en) * | 1993-01-29 | 1994-08-09 | Mitsubishi Electric Home Appliance Co Ltd | Rice cooker |
| CN202035990U (en) * | 2011-05-07 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Electric rice cooker utilizing upper cover to heat |
| CN207491225U (en) * | 2017-12-12 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | Heat-preservation control circuit and electric heating equipment |
| CN208909747U (en) * | 2018-07-06 | 2019-05-31 | 尚科宁家（香港）股份有限公司 | Use safe cooking apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892700B (en) * | 2012-12-30 | 2016-07-06 | 美的集团股份有限公司 | Electric pressure cooking saucepan |
| CN204103454U (en) * | 2014-07-17 | 2015-01-14 | 谭廷芬 | The bath devices that a kind of close the cover could heat |
-
2020
- 2020-09-11 CN CN202010952312.8A patent/CN112021924B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06217869A (en) * | 1993-01-29 | 1994-08-09 | Mitsubishi Electric Home Appliance Co Ltd | Rice cooker |
| CN202035990U (en) * | 2011-05-07 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Electric rice cooker utilizing upper cover to heat |
| CN207491225U (en) * | 2017-12-12 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | Heat-preservation control circuit and electric heating equipment |
| CN208909747U (en) * | 2018-07-06 | 2019-05-31 | 尚科宁家（香港）股份有限公司 | Use safe cooking apparatus |
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| CN112021924A (en) | 2020-12-04 |
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