CN210138062U - Cooking utensil - Google Patents
Cooking utensil Download PDFInfo
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- CN210138062U CN210138062U CN201822239654.6U CN201822239654U CN210138062U CN 210138062 U CN210138062 U CN 210138062U CN 201822239654 U CN201822239654 U CN 201822239654U CN 210138062 U CN210138062 U CN 210138062U
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Abstract
The utility model provides a cooking utensil. The cooking appliance includes: a water tank for storing cooking water; the heating unit is arranged on the water tank and used for heating water in the water tank; the temperature measuring element is arranged on the water tank and used for detecting the temperature of the water tank; and the control unit controls the heating unit to work according to the detection result of the temperature measuring element so as to melt the ice in the water tank before cooking. According to the utility model discloses a cooking utensil can detect when the water in the water tank freezes and freeze and start heating unit heating water tank so that the ice in the water tank melts to avoid freezing because of the water in the water tank and lead to unable automatic adding water, guaranteed user experience.
Description
Technical Field
The utility model relates to the technical field of household appliances, more specifically, the utility model relates to a cooking utensil.
Background
With the improvement of living standards, cooking appliances such as electric cookers are increasingly used, and the degree of automation and intelligence of the cooking appliances is also increasing. An automatic cooking utensil has appeared on the existing market, and automatic cooking utensil is provided with the water tank device, has water piping connection between automatic cooking utensil's culinary art cavity (the pot in promptly) and the water tank, and main control chip adds water in from the water tank to cooking utensil's the culinary art cavity through the control water pump, realizes adding water automatically, no longer needs the consumer to add water in toward cooking utensil to cooking utensil's degree of automation has been improved.
The water tank of the automatic cooking appliance has a water storage function, the amount of water which needs to be pumped into a cooking cavity (namely an inner pot) can be automatically calculated according to the amount of cooking food selected by a user, when the northern user uses the automatic cooking appliance in winter, a certain amount of water is stored in the water tank, and the kitchen can rarely supply warm air under the condition that no one uses the water tank at night in winter, so that the icing of the water tank becomes a significant factor which hinders automatic cooking, the water in the water tank is frozen to cause the water to be pumped into the pot, and the water tank is not continuously used before the ice melts, so that the user can complete the cooking function by a manual water adding mode, and the experience of the user is greatly reduced.
Therefore, there is a need for a cooking appliance that at least partially solves the problems of the prior art.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a cooking utensil, it can detect when the water in the water tank freezes to freeze and start heating unit heating water tank so that the ice in the water tank melts to avoid freezing because of the water in the water tank and lead to unable automatic adding water, guaranteed user experience.
The utility model provides a cooking utensil, cooking utensil includes: a water tank for storing cooking water; the heating unit is arranged on the water tank and used for heating water in the water tank; the temperature measuring element is arranged on the water tank and used for detecting the temperature of the water tank; and the control unit controls the heating unit to work according to the detection result of the temperature measuring element so as to melt the ice in the water tank before cooking.
According to the utility model discloses a cooking utensil through set up heating element and temperature measuring element on the water tank, can judge whether the water in the water tank freezes through the temperature that detects the water tank to thereby can start heating element heating water tank and make the ice in the water tank melt when judging the water in the water tank and freeze, so that cooking utensil can not the water in the water tank freeze and can't realize the automatic function of adding water, guaranteed user's use and experienced.
In an embodiment of the present invention, the heating unit is disposed around the water tank. Arranged in this way, the ice in the water tank can be rapidly melted by heating around the water tank.
In an embodiment of the present invention, the heating unit is disposed at a bottom of the water tank. Arranged in this way, the ice in the tank can be rapidly melted by heating at the bottom of the tank.
In an embodiment of the present invention, the temperature measuring element is disposed at the bottom or the side of the water tank. Arranged in this way, whether the water in the water tank is frozen or not can be judged by detecting the temperature at the bottom or the side of the water tank.
In an embodiment of the present invention, the cooking apparatus further includes:
the cooking cavity is communicated with the water tank;
the water pump is used for conveying water in the water tank to the cooking cavity under the control of the control unit.
The utility model relates to an embodiment the culinary art cavity with be provided with the intercommunication pipeline between the water tank, the water pump sets up communicating pipe is on the road.
In an embodiment of the present invention, the control unit controls the heating unit to heat the water tank when the temperature of the water tank is lower than a first set temperature, so as to melt ice in the water tank; and controlling the heating unit to suspend heating when the temperature of the water tank reaches a set temperature range. With this arrangement, when the temperature of the water tank is lower than the first set temperature, it is determined that water in the water tank is frozen, and the heating unit is controlled to heat so as to melt the water in the water tank, thereby ensuring normal use of the water tank, and when the temperature of the water tank reaches the set temperature range, the heating is suspended so as to avoid the over-high temperature of the water tank, and prevent dry-burning.
The utility model discloses an in the embodiment after heating unit pause heating is set for a long time the control unit is in the temperature of water tank is higher than when the second is set for the temperature control heating unit stop heating the temperature of water tank is less than when the second is set for the temperature control heating unit continues to heat. Arranged in this way, the control unit determines that the ice in the water tank has melted when the temperature of the water tank is higher than a second set temperature after the heating is suspended for a set period of time, and thus the heating does not need to be continued; and after the heating is suspended for a set time, the control unit judges that the ice in the water tank is not completely melted when the temperature of the water tank is lower than a second set temperature, so that the heating is required to be continued.
In an embodiment of the present invention, the first set temperature is 1 ℃ or 2 ℃. With this arrangement, it is possible to simply and conveniently judge whether or not the water in the water tank is frozen.
In an embodiment of the present invention, the second set temperature is 5 ℃ or 6 ℃. With this arrangement, it is possible to simply and conveniently judge whether or not the ice in the water tank melts.
Drawings
The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions of the invention, which are used to explain the principles and devices of the invention. In the drawings, there is shown in the drawings,
fig. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a cooking appliance according to an embodiment of the present invention;
FIG. 3A is a schematic block diagram of a water tank having a heating unit and a temperature measuring element according to an embodiment of the present invention;
FIG. 3B is a schematic block diagram of a water tank with a heating unit and a temperature measuring element according to another embodiment of the present invention; and
fig. 4 is a schematic flowchart of a control method of a cooking appliance according to an embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It is apparent that the practice of the invention is not limited to the specific details known to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
The utility model provides a cooking utensil. The cooking appliance may be an electric rice cooker, an electric pressure cooker or other electric heating appliance. In addition, the cooking appliance may have other functions such as cooking porridge and cooking soup in addition to the function of cooking rice.
Fig. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present invention.
As shown in fig. 1, the cooking appliance 100 includes a pot body 110. The pot body 110 may have a generally rounded rectangular parallelepiped shape, a generally cylindrical shape, or any other suitable shape. The pot body 110 has a cooking cavity 120 formed therein. As an example, the cooking cavity 120 may be formed of an inner pot (not shown) provided inside the pot body 110 and a cover (not shown) provided on the pot body 110. Illustratively, the inner pot is generally cylindrical in shape or any other suitable shape. The inner pot can be freely put into or taken out of the inner pot receiving part of the pot body 110 to facilitate the cleaning of the inner pot. The inner pot is used for storing food to be cooked, such as rice, soup, etc. The top of the inner pot is provided with a top opening. The user can store food to be cooked in the inner pot through the top opening or take cooked food out of the inner pot through the top opening. Illustratively, the shape of the cover substantially corresponds to the shape of the pot body 110. For example, the cover may have a rounded rectangular parallelepiped shape. The lid body is provided on the pot body 110 in an openable and closable manner, and is used to cover the entire top of the pot body or at least the inner pot of the pot body 110. Specifically, in the present embodiment, the lid body may be pivotably provided above the pot body 110 between the maximum open position and the closed position by, for example, a hinge. When the cover body is covered on the pot body, the cooking cavity is formed between the cover body and the pot body 110 (specifically, the inner pot of the pot body 110). Furthermore, the cover body is also provided with an exhaust port communicated with the cooking space, and redundant steam in the cooking space can be exhausted through the exhaust port, so that the pressure in the cooking cavity is maintained in a required range.
The pot body 110 is further provided therein with a heating means for heating the cooking cavity/inner pot. The heating means may heat the cooking cavity/inner pot at the bottom and/or side of the cooking cavity/inner pot. The heating device may be an electrically heated tube or may be an induction heating device such as a solenoid coil. The cooker body 110 is further provided with a temperature measuring device for measuring the temperature of the cooking cavity/inner pot. The temperature measuring device can be various temperature sensors, and can measure the temperature of the cooking cavity/inner pot, so that the temperature can be conveniently controlled according to the temperature heating device of the cooking cavity/inner pot. Exemplarily, in this embodiment, the temperature measuring device is arranged at the bottom of the cooking cavity/inner pot. However, it should be understood that in other embodiments the temperature measuring device may be arranged at other locations, for example at the side of the cooking cavity/inner pot, or at both the bottom and the side of the cooking cavity/inner pot.
Referring again to fig. 1, the cooking appliance 100 further includes a water tank 130 disposed on the pot body 110, and the water tank 130 has a generally cylindrical shape or any other suitable shape. The water tank 130 is for storing cooking water, and the water tank 130 may be provided at the rear end of the pot body 110 or any other suitable position. The water tank 130 is mounted and secured in place using suitable electromechanical structures. The water tank 130 communicates with the cooking chamber through a water inlet line 140. The water inlet line 140 has a water inlet in communication with the water tank 130 and a water outlet in communication with the cooking chamber 120. The water inlet pipe 140 may be provided in the pot body 110 or in the lid, or a portion thereof is located in the pot body 110 and a portion thereof is located in the lid. As an example, the water inlet is provided in the pot body 110, and the water outlet is provided in the lid or the pot body.
Further, a water pump is further arranged in the cooker body 110, water can be automatically added into the cooking cavity 120 of the cooking appliance 100 from the water tank 130 by controlling the water pump, a consumer is not required to add water into the cooking cavity, and the automation degree of the cooking appliance is improved.
As mentioned earlier, the water of water tank freezes will lead to water can't be taken out to the pot, will lead to the water tank can't be continued to use before the icing melts simultaneously, makes the user accomplish the culinary art function through the mode of manual watering, greatly reduced user's experience sense. In the present embodiment, in order to avoid such a problem, a heating unit 150 and a temperature measuring element 160 are provided on the water tank 130, it is determined whether water in the water tank 130 is frozen by detecting the temperature of the water tank 130, and when it is determined that water in the water tank 130 is frozen, the heating unit 150 is controlled to heat the water tank 130 so as to melt the water in the water tank 130, thereby ensuring normal use of the water tank 130. This is explained in detail below with reference to fig. 2-4.
Fig. 2 is a schematic block diagram of a cooking appliance according to an embodiment of the present invention. FIG. 3A is a schematic block diagram of a water tank having a heating unit and a temperature measuring element according to an embodiment of the present invention; fig. 3B is a schematic structural view of a water tank with a heating unit and a temperature measuring element according to another embodiment of the present invention.
As shown in fig. 2, the cooking appliance 100 further includes a heating unit 150 and a temperature measuring element 160 provided on the water tank 130, and a control unit 170. The heating unit 150 is used for heating the water tank 130, and the heating unit 150 may be various heating devices, such as a heating belt, a heating plate or an IH type low power heater, and the power range thereof is 5W to 250W. The heating unit 150 is connected to the commercial power through a relay or a switching tube, and the control unit 170 controls the relay or the switching tube to control whether the heating unit 150 is powered or not. The temperature measuring element 160 is used to measure the temperature of the water tank 130, and particularly, the surface temperature of the water tank 130. In the present embodiment, the temperature of the water tank 130 is used as a reference for the temperature of the water in the water tank 130. The temperature sensing element 160 can be a variety of temperature sensors. As an example, the temperature measuring element 160 may directly obtain the temperature of the water tank 130 and transmit it to the control unit 170. As another example, the temperature measuring element 160 is used to obtain a signal related to temperature, the temperature measuring element 160 is connected to the temperature measuring circuit through an electrical connection line, and the control unit 170 determines the temperature of the water tank 130 by detecting the temperature signal in the temperature measuring circuit.
The heating unit 150 and the temperature measuring element 160 may be disposed at various suitable positions of the water tank 130. As an example, as shown in fig. 3A, the heating unit 150 is in the form of a heat generating tape that is disposed around a sidewall of the water tank 130. A temperature measuring element 160 is also provided on the side wall of the water tank 130. As another example, the heating unit 150 employs a heating pan type or IH type heater, which is disposed at the bottom of the water tank 130, while the temperature measuring element 160 is also disposed at the bottom of the water tank 130. It should be understood that fig. 3A and 3B are merely exemplary, and that the heating unit 150 and the temperature measuring element 160 may be disposed on the water tank 130 in other forms.
The control unit 170 may employ various controllers, such as various suitable Microcontrollers (MCUs) or other types of controllers or processors.
In this embodiment, the control unit 170 controls the operation of the heating unit 150 according to the result of detection of the temperature measuring element 160 to melt ice in the water tank 130 before starting cooking. Specifically, the control unit 170 controls the heating unit 150 to heat the water tank 130 when the temperature of the water tank 130 is lower than a first set temperature, so that the ice in the water tank 130 is melted. Illustratively, the first set temperature is 1 ℃ or 2 ℃. In the present embodiment, the method of detecting whether the water tank 130 has frozen is to consider the temperature of the water tank and the temperature of the water in the water tank to be substantially close, consider the detected temperature of the water tank 130 as the temperature of the water, and consider that there may be a case of freezing when the temperature of the water tank 130 is lower than a first set temperature, for example, 2 ℃, and control the heating unit 150 to heat the water tank 130 so that the ice in the water tank 130 is melted.
Further, the control unit 170 controls the heating unit 150 to suspend heating when the temperature of the water tank 130 is in the set temperature range. Illustratively, the set temperature range is 5-60 ℃, and the water tank can be prevented from being heated too high and the dry burning situation can be prevented by limiting the set temperature range.
Further, the control unit 170 controls the heating unit 150 to stop heating when the temperature of the water tank 130 is higher than the second set temperature and controls the heating unit 150 to continue heating when the temperature of the water tank 130 is lower than the second set temperature after the heating unit 150 pauses the heating for the set period. Illustratively, the set time period is, for example, 1 minute, and the second set temperature is 5 ℃ or 6 ℃. When the heating pause setting time is long, it is judged whether the ice in the water tank 130 is melted by judging whether the temperature of the water tank 130 exceeds the second set temperature. If the temperature of the long water tank 130 exceeds the second set temperature at the time of the heating suspension setting, it is considered that the ice in the water tank has melted, and at this time, the heating of the heating unit 150 is stopped; if the temperature of the long water tank 130 does not exceed the second set temperature at the time of the heating suspension setting, it is considered that the ice in the water tank is not completely melted, and at this time, the heating unit 150 is controlled to continue heating to melt the remaining ice.
Fig. 4 is a schematic flowchart of a control method of a cooking appliance according to an embodiment of the present invention.
The control method of the cooking appliance shown in fig. 4 includes:
step 101, detecting the temperature of the water tank and judging whether the temperature of the water tank is lower than a first set temperature.
In this embodiment, the method for detecting whether the water tank is frozen includes installing a temperature measuring element on the water tank, where the temperature measuring element can detect the temperature of the water tank, and the temperature of the water tank is substantially close to the temperature of the water in the water tank, so that the temperature of the water can be directly detected, and the temperature measuring element is used for detecting the temperature of the water in the water tank before the water pumping is automatically started to determine whether the water is frozen, and when the temperature of the water is lower than a first set temperature, for example, 2 ℃, it is determined that the water is frozen. Once it is considered that there may have been ice formation, the heating unit on the water tank needs to be turned on to melt the ice cubes.
And step S102, heating the water tank and judging whether the temperature of the water tank reaches a set temperature range.
When it is considered that there may be an icing condition, the heating unit is turned on to heat the water tank. Meanwhile, the temperature of the water tank is continuously detected, so that the situation that the temperature of the water tank is heated too high is avoided, and dry burning is prevented. In this embodiment, the set temperature range is, for example, 5-60 ℃, when the temperature measured at the side or bottom of the water tank is heated to 5 ℃ or more and the maximum temperature does not exceed 60 ℃, the heating is stopped, so that the water tank can be prevented from burning out due to dry burning, and since the water temperature is not heated too high, the time is saved, because higher temperature needs to be heated for longer time.
And (5) when the temperature of the water tank reaches the set temperature range, the step S103 is carried out, otherwise, the step S102 is continuously carried out.
And step S103, stopping heating for a set time, and judging whether the temperature of the water tank is higher than a second set temperature.
And when the temperature of the water tank reaches the set temperature range, stopping heating of the heating unit. Judging whether the ice melts completely or not by detecting whether the temperature of the water tank is above a second set temperature or not after stopping heating for a set time period, for example, one minute, and if the temperature of the water tank is above the second set temperature or not, the ice is considered to melt completely, and the heating can be stopped; if the water tank temperature is lower than the second set temperature, it can be considered that the ice is not completely melted, and the steps S102 to S103 are continued.
In step S104, automatic cooking is started.
When the ice is considered to be completely melted, the process proceeds to step S104, and automatic cooking is started.
According to the cooking utensil of this embodiment, through set up heating element and temperature element on the water tank, can judge whether the water in the water tank freezes through the temperature that detects the water tank to thereby can start heating element heating water tank and make the ice in the water tank melt when judging the water in the water tank and freeze, thereby make cooking utensil can not the water in the water tank freeze and can't realize the automatic function of adding water, guaranteed user's use and experienced.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "part," "member," and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cooking appliance, characterized in that it comprises:
a water tank for storing cooking water;
the heating unit is arranged on the water tank and used for heating water in the water tank;
the temperature measuring element is arranged on the water tank and used for detecting the temperature of the water tank;
and the control unit controls the heating unit to work according to the detection result of the temperature measuring element so as to melt the ice in the water tank before cooking.
2. The cooking appliance of claim 1, wherein the heating unit is disposed around the water tank.
3. The cooking appliance of claim 1, wherein the heating unit is disposed at a bottom of the water tank.
4. The cooking appliance of claim 1, wherein the temperature measuring element is disposed at a bottom or side of the water tank.
5. The cooking appliance of claim 1, further comprising:
the cooking cavity is communicated with the water tank;
the water pump is used for conveying water in the water tank to the cooking cavity under the control of the control unit.
6. The cooking appliance according to claim 5, wherein a communication pipe is provided between the cooking cavity and the water tank, and the water pump is provided on the communication pipe.
7. The cooking appliance according to any one of claims 1 to 6, wherein the control unit controls the heating unit to heat the water tank to melt ice in the water tank when the temperature of the water tank is lower than a first set temperature; and controlling the heating unit to suspend heating when the temperature of the water tank reaches a set temperature range.
8. The cooking appliance according to claim 7, wherein the control unit controls the heating unit to stop heating when the temperature of the water tank is higher than a second set temperature and controls the heating unit to continue heating when the temperature of the water tank is lower than the second set temperature after the heating unit pauses heating for a set period of time.
9. The cooking appliance of claim 7, wherein the first set temperature is 1 ℃ or 2 ℃.
10. The cooking appliance of claim 8, wherein the second set temperature is 5 ℃ or 6 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239654.6U CN210138062U (en) | 2018-12-28 | 2018-12-28 | Cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239654.6U CN210138062U (en) | 2018-12-28 | 2018-12-28 | Cooking utensil |
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| Publication Number | Publication Date |
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| CN210138062U true CN210138062U (en) | 2020-03-13 |
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| CN201822239654.6U Active CN210138062U (en) | 2018-12-28 | 2018-12-28 | Cooking utensil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305062A (en) * | 2020-09-30 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, control method thereof and computer-readable storage medium |
-
2018
- 2018-12-28 CN CN201822239654.6U patent/CN210138062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305062A (en) * | 2020-09-30 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, control method thereof and computer-readable storage medium |
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