CN210144485U - Domestic intelligent anti-overflow flows rice cooker - Google Patents
Domestic intelligent anti-overflow flows rice cooker Download PDFInfo
- Publication number
- CN210144485U CN210144485U CN201920486499.XU CN201920486499U CN210144485U CN 210144485 U CN210144485 U CN 210144485U CN 201920486499 U CN201920486499 U CN 201920486499U CN 210144485 U CN210144485 U CN 210144485U
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- float valve
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- rice cooker
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 24
- 235000009566 rice Nutrition 0.000 title claims abstract description 24
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 22
- 235000013305 food Nutrition 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000005574 cross-species transmission Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010411 cooking Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model provides a domestic intelligence anti-overflow flow rice cooker, still be equipped with float valve pressure sensor on the pot cover, the float valve pressure sensor is connected to the controller, the bottom surface of float valve is the structure of indent, indicate grating or main grating rigid connection above the float valve, the float valve drives and indicates grating and main grating and do relative motion, produce the light signal of change, transmit the controller after turning into the signal of telecommunication, thereby the pressure change signal in the measurement pot of controller, intelligence anti-overflow flow rice cooker adopts temperature pressure and time composite control technique, three variable of temperature pressure and time in the control pot simultaneously, avoid the food in the pot to spill over from discharge valve. The household intelligent overflow-preventing electric rice cooker solves the problem that overflow occurs at the exhaust valve in the heating process of the household electric rice cooker, and overflow food particles easily block the exhaust valve to cause safety accidents; the overflowing food is on the pot or in a special overflowing box, which is inconvenient for cleaning.
Description
Technical Field
The utility model relates to a kitchen appliance technical field specifically is a domestic intelligent anti-overflow flows electric rice cooker.
Background
The control of the cooking process of the existing household electric cooker is a time sequence control, the independent variable of the time sequence control is temperature, and the time sequence control is changed. The basic process is as follows: heating, boiling, exhausting, overflowing, temperature limiting, cooling and heat preservation, and is an open-loop automatic control system. However, the above structure has the following problems: the steam in the inner pot is heated and expanded, the pressure in the inner pot is increased under the condition of limited volume, however, the steam or soup containing food debris often overflows from the exhaust valve and is guided into a small box, so that the cleaning is difficult, and bacteria can be bred due to untimely cleaning, thereby emitting stink.
The cooker cover, the float valve thereof and the pressure cooker (CN201610485672.5) are researched to prevent steam in the cooker from entering the cooker cover under the cover closing state of the cooker cover; the float valve, the cooker cover and the pressure cooker (CN201610397555.3) solve the problem that the inner part of the cooker cover is moldy and smelly after the electric pressure cooker is used for a long time; electric pressure cookers without float valves (cn201510937231.x) have studied electric pressure cookers without float valves; the float valve component and the pressure cooker (CN201520822492.2) with the same research on preventing the float from being bonded by soup and facilitating the opening of the cover when no pressure exists in the pressure cooker; the visual anti-misoperation float valve structure (CN201020176129.5) of the electric pressure cooker researches the technology that a user can judge that the cover cannot be opened by visually detecting the state of a warning cap with warning color. The combined control power regulation realization method (CN201810314396.5) for the immersed high-pressure electrode steam boiler researches the power regulation method of the combined control steam boiler.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a household intelligent anti-overflow electric rice cooker, which aims to solve the problems that the overflow of an exhaust valve occurs in the heating process of the household electric rice cooker, overflow food particles easily block the exhaust valve, and safety accidents occur; the overflow is at the edge of the pan or in a special overflow box, which is difficult to clean and causes the problems of mildew and odor when not cleaned in time.
The food in the pot is hydrolyzed in the heating process, and the viscosity is changed. Because of different heating powers, different environmental temperatures, air pressures and different qualities of food, the change rule of the pressure along with the temperature is inconsistent, the relation between the temperature and the pressure is nonlinear, and the pressure can not be controlled to cook rice. Taking the rice, rice in different batches has different rice-water ratios and different tastes.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a domestic intelligence anti-overflow flow rice cooker, adopt temperature pressure and time composite control technique, three variable of temperature pressure in the pot and time of simultaneous control, avoid food in the pot to spill over from discharge valve, a domestic intelligence anti-overflow flow rice cooker includes pot cover sealing washer, the pot body, the handle, a weighing sensor and a temperature sensor, discharge valve, the voltage limiting valve, the device generates heat, float valve pressure sensor, interior pot, a controller, the pot cover is arranged in to interior pot, the sealing washer, in the cavity that the pot body constitutes, the bottom is equipped with the device and the temperature sensor that generate heat, be equipped with the handle on the pot cover, discharge valve, voltage limiting valve and float valve pressure sensor, the controller sets up in the external side of pot, connect temperature sensor, the device and.
The float valve pressure sensor comprises a pot cover, a support, a light source, a lens, an indicating grating, a main grating, a float valve, a photoelectric conversion device and a sealing pad, wherein air in the pot is discharged from the float valve in the initial heating stage, because food is not cooked thoroughly and the viscosity of fluid is low, the discharged gas is not broken, in the process of continuous heating, water starts to boil, steam jacks up the float valve, the sealing pad seals an exhaust hole, the pressure in the pot is continuously increased, the deformation of the sealing pad is increased, the light source emits light rays which are changed into parallel light through the lens, the parallel light penetrates through the indicating grating and the main grating and then is converged on the photoelectric conversion device through the lens to be converted into electric signals which are transmitted to a controller, the controller detects the pressure in the pot according to a calibrated value, the bottom surface of the float valve 207 is of a concave structure, and the float valve 207.
Compared with the prior art, the beneficial effects of the utility model are that: this domestic intelligent anti-overflow electric rice cooker adopts temperature, pressure and time composite control technique, controls the three variable of pot temperature pressure and time simultaneously, avoids in the pot food to spill over from discharge valve.
Drawings
FIG. 1 is a schematic view of a household intelligent overflow-preventing electric rice cooker;
FIG. 2 is a schematic diagram of a float valve pressure sensor configuration;
fig. 3 is a control flow chart of a household intelligent overflow-preventing electric rice cooker.
In the figure: 101. a pot cover; 102. a seal ring; 103. a pan body; 104. a handle; 105. a temperature sensor; 106. an exhaust valve; 107. a pressure limiting valve; 108. a heat generating device; 109. a float valve pressure sensor; 110. an inner pot; 111. a controller; 202. a support; 203. a light source; 204. a lens; 205. an indication grating; 206. a main grating; 207. a float valve; 208. a photoelectric conversion device; 209. and a gasket.
Detailed Description
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment 1: as shown in fig. 1, a schematic structural diagram of a household intelligent anti-overflow electric rice cooker comprises a cooker cover 101, a sealing ring 102, a cooker body 103, a handle 104, a temperature sensor 105, an exhaust valve 106, a pressure limiting valve 107, a heating device 108, a float valve pressure sensor 109, an inner cooker 110, and a controller 111; the inner pot 110 is arranged in a cavity formed by the pot cover 101, the sealing ring 102 and the pot body 103, the bottom of the inner pot is provided with a heating device 108 and a temperature sensor 105, the pot cover 101 is provided with a handle 104, an exhaust valve 106, a pressure limiting valve 107 and a float valve pressure sensor 109, and the controller 111 is arranged outside the pot body 103 and is connected with the temperature sensor 105, the heating device 108 and the float valve pressure sensor 109.
As shown in the schematic structural diagram of the float valve pressure sensor in fig. 2, the float valve pressure sensor 109 comprises a pot cover 101, a support 202, a light source 203, a lens 204, an indication grating 205, a main grating 206, a float valve 207, a photoelectric conversion device 208, a gasket 209, a light source (203), a lens (204), an indication grating (205), a main grating (206), and a photoelectric conversion device (208) fixed on the pot cover (101) to form a grating sensor, the indication grating (205) or the main grating (206) is rigidly connected to the float valve (207), air in the pot is exhausted from the float valve 207 at the initial stage of heating, as food is not cooked yet, fluid viscosity is low, no food is broken in the exhausted air, water starts boiling during the continuous heating process, steam pushes up the float valve 207, the gasket 209 seals an exhaust hole, the pressure in the pot continues to rise, and the deformation amount of the gasket 209 increases, the light emitted by the light source 203 is converted into parallel light by the lens 204, passes through the indication grating 205 and the main grating 206, is converged on the photoelectric conversion device 208 by the lens, is converted into an electric signal and is transmitted to the controller 111, and the controller 111 detects the pressure in the cooker according to a calibrated value.
When heating is started, the indicating grating 205 and the main grating 206 are relatively static, and the controller 111 judges that the pressure in the cooker is atmospheric pressure; the float valve 207 is jacked up by the steam, the exhaust hole is sealed by the sealing gasket 209, the indicating grating 205 and the main grating 206 relatively move at a higher speed, and the controller 111 judges that the pressure in the cooker is rapidly increased; the deformation amount of the sealing gasket 209 is increased, the indicating grating 205 and the main grating 206 relatively move at a lower speed, the controller 111 judges that the pressure in the cooker continuously rises to a calibrated threshold value, the deformation, the increase and the decrease of the sealing gasket 209 are alternately performed, the indicating grating 205 and the main grating 206 reciprocate at a low speed, the controller 111 judges that the pressure in the cooker is kept, in other words, the float valve 207 drives the indicating grating 205 and the main grating 206 to do relative movement, a changed optical signal is generated and transmitted to the controller 111 after being converted into an electric signal, the controller 111 measures the pressure change signal in the cooker, the bottom surface of the float valve 207 is of a concave structure, and the float valve 207 is more easily jacked up by steam.
As shown in the control flow chart of the household intelligent anti-overflow electric rice cooker in fig. 3, the control method is as follows:
a) initializing a single chip microcomputer of the electric cooker controller, and selecting cooking parameters according to cooking types;
b) the single chip microcomputer judges whether the appointment time is reached or not, and the heating device starts heating and cooking when the appointment time is reached;
c) the single chip microcomputer judges whether the temperature exceeds the protection temperature or not after heating, the temperature is higher than the protection temperature, the controller stops the machine after early warning, and the power supply is cut off to prevent dry burning accidents;
d) the temperature is lower than the protection temperature, and the controller controls the heating device to continue heating;
e) the single chip microcomputer detects the pressure in the electric cooker, the pressure in the electric cooker is greater than the set time, the pressure in the electric cooker is smaller than the atmospheric pressure, the floater is not normally closed, the electric cooker is shut down after early warning by the controller, and the power supply is cut off, so that the accident that the food is burnt when the water in the electric cooker is dried is prevented;
f) the single chip microcomputer detects the pressure in the electric cooker, the pressure in the electric cooker is greater than the atmospheric pressure within a set time, the float is normally closed, and after the float is normally closed, the pressure in the electric cooker is less than the overflow pressure, and the electric cooker continues to be heated;
g) the single chip microcomputer detects the pressure in the electric cooker, the pressure in the electric cooker is more than or equal to the overflow pressure, heating is stopped, the pressure is heated after time delay and is waited to be reduced to a set value, and the pressure in the electric cooker is kept;
h) and detecting the pressure maintaining time by the singlechip, entering a heat preservation time period after the pressure maintaining time is more than the set time, and finally turning off the power supply to finish cooking.
Embodiment 2: the heating device of the household intelligent overflow-preventing electric rice cooker can also be an electromagnetic induction heating device.
Embodiment 3: the heating device of the household intelligent anti-overflow electric rice cooker can also be used for limiting the upward movement of the float valve 207 by movable parts in a boiling state, the movable parts do not limit the float valve 207 any more after the cooker is covered, the protection effect is achieved, and the details can be referred to the prior art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides a domestic intelligent anti-overflow flow rice cooker, includes pot cover (101), sealing washer (102), the pot body (103), handle (104), temperature sensor (105), discharge valve (106), voltage limiting valve (107), generate heat device (108), float valve pressure sensor (109), interior pot (110), controller (111) set up in pot body (103) outside, and controller (111) connect temperature sensor (105) and generate heat device (108), interior pot (110) are arranged in the cavity that pot cover (101), sealing washer (102) and pot body (103) constitute, pot body (103) bottom is equipped with device (108) and temperature sensor (105) generate heat, be equipped with handle (104), discharge valve (106) and voltage limiting valve (107) on pot cover (101), its characterized in that: the pot cover (101) is further provided with a float valve pressure sensor (109), and the controller (111) is connected with the float valve pressure sensor (109).
2. A domestic intelligent anti-overflow flow rice cooker, according to claim 1, said float valve pressure sensor (109) comprises a cooker cover (101), a bracket (202), a light source (203), a lens (204), an indication grating (205), a main grating (206), a float valve (207), a photoelectric conversion device (208) and a sealing gasket (209), and the light source (203), the lens (204), the indication grating (205), the main grating (206) and the photoelectric conversion device (208) are fixed on the cooker cover (101) to form a grating sensor, characterized in that: the indicator light grating (205) or the main light grating (206) is rigidly connected to the float valve (207).
3. The household intelligent anti-overflow electric rice cooker of claim 1, characterized in that: the bottom surface of the float valve (207) is of a concave structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486499.XU CN210144485U (en) | 2019-04-11 | 2019-04-11 | Domestic intelligent anti-overflow flows rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486499.XU CN210144485U (en) | 2019-04-11 | 2019-04-11 | Domestic intelligent anti-overflow flows rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210144485U true CN210144485U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920486499.XU Withdrawn - After Issue CN210144485U (en) | 2019-04-11 | 2019-04-11 | Domestic intelligent anti-overflow flows rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210144485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892976A (en) * | 2019-04-11 | 2019-06-18 | 广东海洋大学 | A kind of domestic intelligent overflow-prevention electric rice cooker |
| CN115336905A (en) * | 2022-09-05 | 2022-11-15 | 珠海格力电器股份有限公司 | Lid assembly and cooking utensil |
-
2019
- 2019-04-11 CN CN201920486499.XU patent/CN210144485U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892976A (en) * | 2019-04-11 | 2019-06-18 | 广东海洋大学 | A kind of domestic intelligent overflow-prevention electric rice cooker |
| CN109892976B (en) * | 2019-04-11 | 2024-05-03 | 广东海洋大学 | Household intelligent anti-overflow electric cooker |
| CN115336905A (en) * | 2022-09-05 | 2022-11-15 | 珠海格力电器股份有限公司 | Lid assembly and cooking utensil |
| CN115336905B (en) * | 2022-09-05 | 2023-04-11 | 珠海格力电器股份有限公司 | Lid subassembly and cooking utensil |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200317 Effective date of abandoning: 20240503 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200317 Effective date of abandoning: 20240503 |