CN211984936U - Electric cooker capable of preventing rice water from overflowing - Google Patents
Electric cooker capable of preventing rice water from overflowing Download PDFInfo
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- CN211984936U CN211984936U CN201920706142.8U CN201920706142U CN211984936U CN 211984936 U CN211984936 U CN 211984936U CN 201920706142 U CN201920706142 U CN 201920706142U CN 211984936 U CN211984936 U CN 211984936U
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Abstract
The utility model discloses a prevent rice cooker that rice hot water spills over, including a kind of deep pot body and lid, a kind of deep pot body and lid hinged joint, the cooking lid is sealed with a kind of deep pot body lock at the boiling in-process, the internal interior pot that is used for the splendid attire to eat the material of placing of a kind of deep pot, the internal little the control assembly who is used for controlling electric rice cooker work that is equipped with of a kind of deep pot, little the control assembly includes MCU, thereby be equipped with on the body of a kind of deep pot when electric rice cooker boils rice hot water and spills over for the hasp subassembly that makes a kind of deep pot body and lid deblocking and be used for making the lid rotatory execution element that. The beneficial effects of the utility model are that, open the atmospheric pressure state in the pot cavity body in certain angle change with the lid and make rice water foam automatic breakage, electric rice cooker can continue the unchangeable rice water boiling effect of guaranteeing of position heating power simultaneously, promotes rice taste and quality.
Description
Technical Field
The utility model relates to an electric rice cooker improves, especially an electric rice cooker that prevents rice water and spill over.
Background
The electric cooker product is cooking the gruel in-process, and the boiling stage is because the rice water glues thick and produces a large amount of foams easily, and the foam is easy to spill over the product outside along with boiling steam after constantly piling up, causes the product clean or potential safety hazard, brings very not good use experience for the user.
In the prior art, the foam state is monitored by a rice water foam detection element, and when the foam is about to overflow, the heating power of a rice cooker is reduced or heating is directly stopped to reduce boiling, so that the aim of preventing the overflow of the rice water foam is fulfilled. However, this method can reduce the cooking effect of the electric rice cooker by sacrificing the boiling effect of rice cooking to satisfy the function of preventing the overflowing of the rice water foam, and the taste of rice is greatly affected by the insufficient boiling power and boiling time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and designing the electric cooker which can prevent rice water from overflowing.
The technical solution of the present invention is to provide an electric cooker capable of preventing rice soup from overflowing, which includes a cooker body and a cover body, the cooker body is hinged to the cover body, the cover body is sealed with the cooker body in a buckling manner during cooking, an inner pot for containing food materials is placed in the cooker body, a micro-control assembly for controlling the electric cooker to work is arranged in the cooker body, the micro-control assembly includes a Micro Control Unit (MCU), and a cover opening executing assembly for opening a certain angle of the cooker body and a cover opening cover body and for opening the cover body to leak steam in a rotating manner relative to the cooker body when the electric cooker cooks rice soup to overflow is arranged on the cooker body.
Preferably, the locking assembly comprises a lever and a solenoid valve assembly, the solenoid valve assembly pushes the lever to rotate along the shaft, and the upper portion of the lever is clamped with the lower surface of the cover body.
Preferably, the cover opening executing assembly is a rotary transmission mechanism, and a driving end of the rotary transmission mechanism is positioned in the cooker body or the cover body and drives the cover body to rotate so as to separate from the cooker body.
Preferably, the rice water foam detection assembly comprises at least two working processes:
after rice soup overflows and the lock catch component is controlled to be electrified and unlocked, the cover opening execution component drives the cover body to rotate relative to the cooker body, so that the rice soup and the cooker body are separated;
cooking rice soup normally, and monitoring the state of the rice soup in real time.
Preferably, the rice water foam detection assembly comprises a detection sensor arranged at the opening of the inner pot, and the MCU is connected with the detection sensor.
Preferably, the detection sensor comprises a capacitive sensing device or a thermistor device or a two-electrode device.
A control method suitable for the electric cooker for preventing rice water from overflowing comprises the following steps:
the method comprises the following steps: the electric cooker is powered on to start cooking;
step two: the rice soup in the electric cooker begins to be heated, and the cover body, the cooker body and the cover opening executing component are set to be in a standby state;
step three: judging whether the rice water foam in the electric cooker reaches the position of the rice water foam detection assembly, and if not, continuing to execute the step two; if the position is reached, exiting the step two and entering the step four;
step four: the MCU controls the locking and buckling assembly to release, the cover body and the cooker body are unsealed, and meanwhile, a timer built in the MCU starts to time t 1;
step five: judging whether the timing time reaches delta t1, if so, controlling to start the uncovering execution assembly to rotate positively by the MCU, and driving the cover body to rotate to open an alpha angle; otherwise, continuing timing;
step six: judging whether the timing is up, if so, controlling to start the uncovering execution assembly by the MCU, and driving the cover body to rotate to open the alpha angle and then starting timing by a timer built in the MCU t 2; otherwise, continuing timing;
step seven: judging whether the timing is time delta t2, if so, controlling to start the uncovering execution assembly to rotate reversely by the MCU, and driving the cover body to rotate to close and seal with the cooker body; otherwise, continuing timing;
step eight: and repeating the third step to the seventh step, and executing a corresponding cooking program until cooking is finished.
A control method suitable for the electric cooker for preventing rice water from overflowing comprises the following steps:
the method comprises the following steps: the electric cooker is powered on, cooking is started, and the MCU sets a timer t 0;
step two: the rice soup in the electric cooker begins to be heated, and the cover body, the cooker body and the cover opening executing component are set to be in a standby state;
step three: judging whether the rice water foam in the electric cooker reaches the position of the rice water foam detection assembly, and if not, continuing to execute the step two; if the position is reached, exiting the step two and entering the step four;
step four: the MCU controls the locking and buckling assembly to release, the cover body and the cooker body are unsealed, and meanwhile, a timer built in the MCU starts to time t 1;
step five: judging whether the timing time reaches delta t1, if so, controlling to start the uncovering execution assembly to rotate positively by the MCU, and driving the cover body to rotate to open an alpha angle; otherwise, continuing timing;
step six: judging whether the timing is up, if so, controlling to start the uncovering execution assembly by the MCU, and driving the cover body to rotate to open the alpha angle and then starting timing by a timer built in the MCU t 2; otherwise, continuing timing;
step seven: judging whether the timing is time delta t2, if so, controlling to start the uncovering execution assembly to rotate reversely by the MCU, and driving the cover body to rotate to close and seal with the cooker body; otherwise, continuing timing;
step eight: judging whether the time is t0, if so, controlling the start of normal rotation of the cover opening execution assembly by the MCU, driving the cover body to rotate and close the cover, and then executing the cooking program until cooking is finished without executing the step seven; otherwise, continuing to execute the third step to the seventh step.
Preferably, the delta t1 is more than or equal to 10 ms; delta t2 is more than or equal to 5s and less than or equal to 150 s; t0 is more than or equal to 3min and less than or equal to 25 min.
Preferably, the alpha is not less than 5 °
Utilize the technical scheme of the utility model an electric rice cooker who prevents rice water and spill over of preparation, when detecting electric rice cooker cook or when cooking congee in-process has rice water foam to spill over, no longer avoid the foam to spill over through the mode that reduces electric rice cooker heating power or stop heating, but open the atmospheric pressure state in the pot cavity in certain angle change with the lid and make rice water foam automatic breakage, electric rice cooker can continue the unchangeable rice water boiling effect of guaranteeing of position heating power simultaneously, promote rice taste and quality.
Drawings
Fig. 1 is a schematic structural view of the cover body in a locked state;
fig. 2 is a schematic structural view of the cover body in a state of being buckled and unlocked;
FIG. 3 is an enlarged view of a portion of the latch assembly of the present invention;
FIG. 4 is a schematic structural view of the rice cooker for preventing rice water from overflowing;
FIG. 5 is a logic flow chart of a second embodiment of the control method of the rice cooker for preventing rice water from overflowing according to the present invention;
FIG. 6 is a logic flow chart of a third embodiment of the control method of the rice cooker for preventing rice water from overflowing according to the present invention;
in the figure, the position of the upper end of the main shaft,
1. cooker body 2, cover body 3 and inner pot
401. Lever 402, lever rotating shaft 403 and return spring
404. Convex column 405, limiting rod 406 and electromagnetic valve
407. Solenoid valve slide bar 408, clamping tongue 409 and mounting column
410. Connecting part 501, roller shaft 502 and stepping motor
6. Rice water foam detection subassembly 7, control circuit board 8, heating device
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of other embodiments without departing from the spirit and scope thereof as defined by the appended claims.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the first embodiment, as shown in fig. 1 to 4:
the utility model discloses it is right that combine the attached drawing below, a prevent rice cooker that rice soup spills over, including a kind of deep pot body 1 and lid 2, a kind of deep pot body 1 and lid 2 hinged joint, lid 2 is sealed with a kind of deep pot body 1 lock boiling in-process, place the interior pot that is used for splendid attire edible material in the a kind of deep pot body 1, be equipped with the little control assembly who is used for controlling electric rice cooker work in the a kind of deep pot body 1, little control assembly includes MCU, be equipped with on the a kind of deep pot body 1 and boil when cooking rice soup and spilling over at electric rice cooker, thereby be used for making the hasp subassembly of a kind of deep pot body and lid deblocking and be used for making the lid rotate the execution subassembly that uncaps of opening certain angle leakage steam relatively the body, the internal pot bottom of the internal pot portion is equipped.
In the technical scheme, further, the locking assembly comprises a lever 401 and a solenoid valve assembly, the solenoid valve assembly pushes the lever to rotate along an axis, the upper part of the lever is clamped with the lower surface of the cover body, it should be noted that the locking assembly further comprises a lever bearing 402, a return spring 403, a convex column 404, the solenoid valve assembly comprises a solenoid valve 406 and a solenoid valve slide bar 407, wherein the first surface of the lever 401 is movably connected with the side wall of the inner cavity of the pot body 1 through the lever bearing 402, a clamping tongue 408 is formed at the upper end of the lever 401, and the clamping tongue 408 is clamped into a clamping groove formed at the lower surface of the cover body 2; a convex column 404 is arranged on the second surface of the lever 401, a return spring 403 is arranged between the convex column 404 and the side wall of the inner cavity of the cooker body 1, an installation column 409 for installing an electromagnetic valve 406 is arranged in the inner cavity of the cooker body 1, an electromagnetic valve slide rod 407 which moves along the axial direction of the electromagnetic valve 406 after the socket in the electromagnetic valve 406 is electrified, and a connecting part 410 is arranged at one end of the electromagnetic valve slide rod 407 close to the lever.
In this technical scheme, furthermore, the execution module that uncaps is rotary drive mechanism, rotary drive mechanism's drive end is located inside the lid, it is rotatory to drive the lid, make it break away from with the a kind of deep pot body, it needs to point out, the execution module that uncaps includes roller 501 and step motor 502, wherein step motor 502 installs on the inner chamber lateral wall of a kind of deep pot body 1, roller 501 is fixed to step motor's the rotatory in-process butt lid 2 of roller 501, it opens for the a kind of deep pot body to realize the lid, it needs to point out, the execution module that uncaps still can be for direct current motor acceleration and deceleration mechanism drives non-circular axle drive lid subassembly and realizes uncapping and close the lid action.
In this technical scheme, further, the width of the first terminal surface of roller is slightly greater than its second terminal surface's width.
In this technical solution, further, a horizontally placed limiting rod 405 is disposed at a lower portion of the first surface of the lever 401.
In the technical scheme, further, the rice water foam detection assembly comprises at least two working processes:
after rice soup overflows and the lock catch component is controlled to be electrified and unlocked, the cover opening execution component drives the cover body to rotate relative to the cooker body, so that the rice soup and the cooker body are separated;
cooking rice soup normally, and monitoring the state of the rice soup in real time.
In this technical scheme, further, rice water foam detection subassembly is including setting up the detection sensor in interior pot opening part, and MCU is connected with the detection sensor, and MCU integrates on electric rice cooker's control circuit board 7.
In the technical scheme, the rice water foam detection assembly can be further arranged into a thermistor device, whether the rice water reaches an overflow state or not is judged in a fuzzy mode by detecting temperature change near a product steam port, and a signal is transmitted to the MCU to calculate and control the action of a related execution mechanism.
In the technical scheme, further, the rice water foam detection assembly can be further arranged to be a capacitance sensing device, whether the rice water foam reaches an overflow state or not is judged by sensing the fact that the capacitance value changes due to the fact that rice water foam liquid contacts the surface or the vicinity of the capacitance sensing device, and signals are transmitted to the MCU to calculate and control the action of a related execution mechanism.
In this technical scheme, further, rice water foam detection subassembly can also set up to the bipolar electrode scheme, through setting up two electrodes at certain spatial distance, when the rice water foam is piled up in a large number, the rice bubble switches on two electrodes and produces the signal change, gives MCU with the signal transmission and calculates and control relevant actuating mechanism action.
Example two, as shown in fig. 5:
a control method of an electric cooker suitable for preventing rice water from overflowing comprises the following steps:
in step S01, the electric cooker turns on the power supply to start cooking;
in step S02, detecting whether the height of the rice water foam reaches a limit position through the rice water foam detecting assembly, if so, exiting step S02, entering step S03, otherwise, continuing to execute step S02;
in step S03, the solenoid valve assembly is started, the slide rod of the solenoid valve extends forward, the lever 401 is pushed to rotate around the lever bearing 402, the latch 408 is disengaged from the slot formed on the lower surface of the lid 2, the locking assembly is released, and the lid and the cooker body are unsealed;
in step S04, the MCU controller times t 1;
in step S05, it is determined whether Δ t1 is greater than 10ms, and when Δ t1 is greater than 10ms, the process exits from step S05 and proceeds to step S06; otherwise, continuing to execute step S05;
in step S06, the MCU controller controls the cover opening actuator to rotate the motor forward by an angle α;
in step S07, it is determined whether α is greater than 5 °, and when α is greater than 5 °, the process exits from step S07 and proceeds to step S08; otherwise, continuing to execute step S07;
in step S08, the MCU controller times t 2;
in step S09, it is determined whether Δ t2 is greater than 5S and less than 150S, and when Δ t2 satisfies the condition, the process exits from step S09 and proceeds to step S10; otherwise, continuing to execute step S09;
in step S10, the MCU controller controls the motor in the lid opening performing assembly to rotate in reverse by an angle α;
in step S11, the preset cooking process is continuously performed until the end.
Example three, as shown in fig. 6:
a control method of an electric cooker for preventing rice water from overflowing comprises the following steps:
in step S01, the electric cooker turns on the power supply to start cooking;
in step S02, a time t0 is counted;
in step S03, whether t0 is less than or equal to 25min is judged, and when the delta t0 meets the condition, the method exits from step S03 and enters into step S04; otherwise, exiting the step S03 and entering the step S05;
in step S04, detecting whether the height of the rice water foam reaches a limit position through the rice water foam detecting assembly, if so, exiting step S04, entering step S05, otherwise, continuing to execute step S04;
in step S05, the solenoid valve assembly is started, the slide rod of the solenoid valve extends forward, the lever 401 is pushed to rotate around the lever bearing 402, the latch 408 is disengaged from the slot formed on the lower surface of the lid 2, the locking assembly is released, and the lid and the cooker body are unsealed;
in step S06, the MCU controller times t 1;
in step S07, it is determined whether Δ t1 is greater than 10ms, and when Δ t1 is greater than 10ms, the process exits from step S07 and proceeds to step S08; otherwise, continuing to execute step S07;
in step S08, the MCU controller controls the cover opening actuator to rotate the motor forward by an angle α;
in step S09, it is determined whether α is greater than 5 °, and when α is greater than 5 °, the process exits from step S09 and proceeds to step S10; otherwise, continuing to execute step S09;
in step S010, the MCU controller times t 2;
in step S11, it is determined whether Δ t2 is greater than 5S and less than 150S, and when Δ t2 satisfies the condition, the process exits from step S11 and proceeds to step S12; otherwise, continuing to execute step S11;
in step S12, the MCU controller controls the motor in the lid opening performing assembly to rotate in reverse by an angle α;
in step S113, cooking is stopped.
In the technical scheme, a user mixes rice and water and places the mixture in the inner pot, and the cover body of the electric cooker is closed to start the rice cooking or porridge cooking function to start the electric cooker to perform cooking work. At the moment, the heating device of the electric cooker starts to heat until the rice and the water in the inner pot reach a boiling state;
after the rice water is boiled, a large amount of rice water foam is generated and continuously accumulated, when the rice water foam reaches the position of the rice water foam detection assembly, a detection device feeds back signal change to the MCU, the MCU outputs a signal after calculation and drives the cover opening execution mechanism to place the cover body buckling and locking structure in a release and opening state, and meanwhile, a timer arranged in the MCU starts to time t; after the time of delta t1, the MCU outputs a signal to drive the automatic cover opening and closing rotation executing mechanism to execute the action so as to rotate the cover body to open the cover body by an alpha angle; at the moment, the rice water foam is rapidly broken due to the pressure change in the inner pot cavity after the cover body is opened, and after the state lasts for delta t2 time, the MCU outputs a signal to drive the automatic cover opening and closing rotation executing mechanism to execute the action so as to rotate the cover body to be in the cover closing state; the rice water is continuously heated and boiled. Produce a large amount of rice water foams and constantly pile up, when the rice water foam reachd rice water foam detecting element position, detecting device feeds back signal variation to MCU, and MCU calculates the back output signal drive earlier uncap actuating mechanism with lid lock hasp structure as to release open mode to this is the circulation execution action. When the timer counts t value to reach a preset t0 value, the MCU drives the automatic cover opening and closing rotation executing mechanism to execute action to rotate the cover body to be in a cover closing state, and then the cover opening and closing action is not executed until the rice cooking work is finished.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (6)
1. The utility model provides an electric rice cooker for preventing rice water overflows, includes a kind of deep pot body (1) and lid (2), a kind of deep pot body (1) and lid (2) hinged joint, lid (2) are sealed with a kind of deep pot body (1) lock in the boiling process, place the interior pot that is used for splendid attire edible material in the a kind of deep pot body (1), be equipped with the little control assembly who is used for controlling electric rice cooker work in the a kind of deep pot body (1), characterized in that, little control assembly includes MCU, be equipped with on the kind of deep pot body (1) or lid (2) and be used for making a kind of deep pot body and lid deblocking's latch assembly and be used for making the lid rotate to open certain angle and thus leak the uncap execution assembly of steam relatively a kind of deep pot body when electric rice.
2. The rice cooker for preventing rice water overflow of claim 1, wherein the locking assembly comprises a lever (401), a solenoid valve assembly, the solenoid valve assembly pushes the lever (401) to rotate along the shaft, and the upper part of the lever (401) is engaged with the lower surface of the cover body (2).
3. The rice cooker for preventing rice water overflow of claim 1, wherein the cover opening actuator is a rotation transmission mechanism, and a driving end of the rotation transmission mechanism is located inside the cooker body or the cover body (2) to drive the cover body to rotate so as to separate from the cooker body.
4. The rice cooker for preventing rice water overflow of claim 2, further comprising a rice water foam detecting assembly, wherein the rice water foam detecting assembly comprises at least two working processes:
after rice soup overflows and the lock catch component is controlled to be electrified and unlocked, the cover opening execution component drives the cover body to rotate relative to the cooker body, so that the rice soup and the cooker body are separated;
cooking rice soup normally, and monitoring the state of the rice soup in real time.
5. The electric cooker for preventing rice water overflow of claim 4, wherein the rice water foam detecting assembly comprises a detecting sensor arranged at the opening of the inner pot, and the MCU is connected with the detecting sensor.
6. The rice cooker for preventing rice water overflow of claim 5, wherein the detection sensor comprises a capacitance sensing device or a thermistor device or a dual-electrode device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920706142.8U CN211984936U (en) | 2019-05-16 | 2019-05-16 | Electric cooker capable of preventing rice water from overflowing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920706142.8U CN211984936U (en) | 2019-05-16 | 2019-05-16 | Electric cooker capable of preventing rice water from overflowing |
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| CN211984936U true CN211984936U (en) | 2020-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110089918A (en) * | 2019-05-16 | 2019-08-06 | 上海纯米电子科技有限公司 | A kind of electric cooker and its control method preventing thin rice gruel spilling |
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- 2019-05-16 CN CN201920706142.8U patent/CN211984936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110089918A (en) * | 2019-05-16 | 2019-08-06 | 上海纯米电子科技有限公司 | A kind of electric cooker and its control method preventing thin rice gruel spilling |
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Address after: Room 01-04, 1st floor, No.2 Lane 60, Naxian Road, Pudong New Area pilot Free Trade Zone, Shanghai 201203 Patentee after: Chunmi Technology (Shanghai) Co.,Ltd. Address before: Room 01-04, 1st Floor, No.2 Lane 60xian Road, Pudong New District, Shanghai, 201203 Patentee before: SHANGHAI CHUNMI ELECTRONICS TECHNOLOGY Co.,Ltd. |
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