CN114052488A - Silent constant-temperature heating method and system and container using same - Google Patents
Silent constant-temperature heating method and system and container using same Download PDFInfo
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- CN114052488A CN114052488A CN202111535499.2A CN202111535499A CN114052488A CN 114052488 A CN114052488 A CN 114052488A CN 202111535499 A CN202111535499 A CN 202111535499A CN 114052488 A CN114052488 A CN 114052488A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009835 boiling Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 230000000875 corresponding effect Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 235000021168 barbecue Nutrition 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims 2
- 230000003993 interaction Effects 0.000 description 5
- 241000190070 Sarracenia purpurea Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Classifications
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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
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
-
- 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
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21091—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water of electronic type
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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
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a silent constant temperature heating method, wherein a main control unit acquires the temperature of liquid to be heated and the air pressure of the current environment through an air temperature acquisition unit at intervals, acquires the boiling point of the liquid under the current air pressure, then takes corresponding action according to the boiling point under the air pressure, sets a temperature control unit to work when the temperature is lower than the vicinity of the boiling point, controls a heating film to heat the liquid, sets the temperature control unit to stop when the temperature is lower than the vicinity of the boiling point and does not reach the boiling point, and then enters a constant temperature mode. Adopt the heating film to replace traditional heater strip, because the heating film heating is even, local high temperature can not appear, the too high condition of the upper and lower part difference in temperature can not appear yet, consequently can not produce the noise. The temperature of the liquid is controlled below the boiling point of the liquid, so that the temperature is prevented from reaching the boiling point, and the liquid cannot boil or explode, thereby achieving the mute function.
Description
Technical Field
The invention relates to the field of liquid heating, in particular to a silent constant-temperature heating method and system and a container using the system.
Background
The existing heating method is mainly heating by heating wires, when water is boiled, because the temperature difference between the upper part and the lower part is too large, the liquid temperature of the contact part of the heating wires is too high to cause vaporization, when bubbles float upwards, the temperature of the upper part is relatively low, and the bubbles are cooled and then imploded, so that great sound is generated, and the self and other people can be influenced in a quiet environment. And the use time is long, the stainless steel oxidation phenomenon will appear in the place that the heater strip contacts, need in time wash, otherwise drink for a long time and can influence health.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a silent constant-temperature heating method and system and a container using the system.
The technical scheme of the invention is as follows: a silent constant-temperature heating method comprises the following steps:
step 1: acquiring target temperature and air pressure, acquiring the temperature of a liquid to be heated and the air pressure of the current environment at intervals by a main control unit through an air temperature acquisition unit, and acquiring the boiling point of the liquid under the current air pressure;
step 2: and controlling the temperature, wherein the main control unit refers to the boiling point under the atmospheric pressure according to the temperature and the atmospheric pressure obtained by the air temperature acquisition unit, takes corresponding action, sets the temperature control unit to work when the temperature is lower than the vicinity of the boiling point, controls the heating film to heat the liquid, sets the temperature control unit to stop when the temperature is lower than the vicinity of the boiling point and the boiling point is not reached, controls the water temperature not to reach the boiling point, and then enters a constant temperature mode.
Further, the step 1 specifically includes the following steps:
step 1.1: reading the temperature and the air pressure, and communicating with an air pressure sensor and a temperature sensor through an I2C protocol to obtain a current atmospheric pressure value P and a current temperature value T;
step 1.2: and after the atmospheric pressure value is obtained, the boiling point H corresponding to the liquid under the current atmospheric pressure is obtained by inquiring the air pressure-boiling point table.
Further, in the step 2, the triode is used for controlling the temperature control unit to work or stop, so that the heating film keeps heating or stops heating, and the temperature of the liquid is ensured to be lower than the boiling point.
The invention also provides a silent constant temperature heating system, comprising: the main control unit, temperature acquisition unit and temperature control unit with main control unit electric connection, the main control unit includes main control chip, the temperature of the liquid of treating the heating of temperature acquisition unit and the atmospheric pressure of current environment, the temperature control unit is used for the temperature of control liquid, the temperature control unit includes the heating film.
Further, the temperature collection unit includes an air pressure sensor and a temperature sensor, and the temperature control unit includes: triode Q1, relay switch J2 and resistance R1, triode Q1's base with a pin of main control chip is connected, triode Q1's collecting electrode with relay switch J2 connects, relay switch J2's 1 foot is acquiescently connect 2 feet, and relay switch J2's 2 feet are unsettled, relay switch J2's 3 feet with resistance R1's one end is connected, another termination power of resistance R1, the 1 foot of heating film with relay switch J2's 1 foot is connected, the back ground connection is connected to the 2 feet of heating film and triode Q1's projecting pole.
Further, the silent constant temperature heating system further comprises a voltage stabilizing unit, and the voltage stabilizing unit comprises: a voltage regulator tube Q2, a capacitor C1 and a capacitor C2, wherein a pin 1 of the voltage regulator tube Q2 is grounded, a pin 2 of the voltage regulator tube Q2 is connected with a capacitor C2 and a 3.3V power supply, and a pin 3 of the voltage regulator tube Q2 is connected with the capacitors C1 and a 12V power supply.
Further, the silent constant temperature heating system further comprises an interaction unit, wherein the interaction unit comprises an indicator lamp D1, a key J3, a key J4 and a display screen, the indicator lamp is used for displaying the working state, the key J3 is used for controlling the heating function to be turned on or off, and the key J4 is used for selecting the heating temperature.
The invention also provides a container, which uses the silent constant-temperature heating system, and the heating film is covered on the wall of the container.
Further, the coverage area of the heating film is not less than three-quarters of the height of the container.
Further, the container is a lunch box, a water cup or a portable barbecue grill.
By adopting the scheme, the invention has the following beneficial effects:
1. the heating film is adopted to replace the traditional heating wire, and because the heating film is uniformly heated, local high temperature can not occur, and the condition that the temperature difference between the upper part and the lower part is too high can not occur, noise can not be generated;
2. the temperature of the liquid is controlled below the boiling point of the liquid, so that the temperature is prevented from reaching the boiling point, and the liquid cannot boil or explode, so that the function of silence is achieved;
3. the temperature can be controlled within the target temperature for a long time;
4. the heating film is light in weight, small in occupied space and suitable for products with portable requirements, such as lunch boxes, water cups, portable barbecue grills and the like;
5. the method can automatically acquire the boiling point in the current environment, and can normally work in a mute manner even in a high-altitude area.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1, the present invention provides a silent constant temperature heating method for solving the problem of noise generated when liquid is boiling, comprising the following steps.
Step 1: and acquiring target temperature and air pressure. The main control unit acquires the temperature of the liquid to be heated and the air pressure of the current environment through the air temperature acquisition unit at intervals, and acquires the boiling point of the liquid under the current air pressure according to the acquired air pressure. The method comprises the following specific steps:
step 1.1: and reading the temperature and the air pressure, and communicating with the air pressure sensor and the temperature sensor through an I2C protocol to obtain a current atmospheric pressure value P and a current temperature value T.
Step 1.2: and after the atmospheric pressure value is obtained, the boiling point H corresponding to the liquid under the current atmospheric pressure is obtained by inquiring the air pressure-boiling point table.
Step 2: and controlling the temperature. The main control unit refers to a boiling point under the atmospheric pressure according to the temperature value T and the atmospheric pressure value T obtained by the atmospheric temperature acquisition unit, takes corresponding action, sets the temperature control unit to work when the temperature is lower than the vicinity of the boiling point, thereby controlling the heating film to heat the liquid, and sets the temperature control unit to stop when the temperature is lower than the vicinity of the boiling point and does not reach the boiling point. The air temperature acquisition unit monitors the temperature of the liquid all the time, controls the temperature of the liquid not to reach the boiling point, and then enters a constant temperature mode to keep the temperature of the liquid close to the boiling point but not to reach the boiling point. Because the temperature of the liquid is lower than the boiling point, the liquid cannot boil or explode, thereby achieving the function of silence.
In the step 2, the triode is controlled to work or stop by the temperature control unit, and the triode is controlled to work or stop selectively according to the boiling point H and the temperature value T obtained in the step 1, so that the heating film keeps heating or stops heating, and the temperature of the liquid is ensured to be lower than the boiling point.
The invention also provides a silent constant temperature heating system, comprising: the system comprises a main control unit, an air temperature acquisition unit, a temperature control unit, a voltage stabilizing unit and an interaction unit. The temperature acquisition unit, the temperature control unit and the interaction unit are electrically connected with the main control unit, the main control unit comprises a main control chip, in this embodiment, the model of the main control chip is XMC8P56S8, which comprises 8 pins. The temperature acquisition unit is used for acquiring the temperature of the liquid to be heated and the air pressure in the current environment, and comprises an air pressure sensor and a temperature sensor. The temperature control unit is used for controlling the temperature of the liquid and comprises a heating film.
The temperature control unit includes: a transistor Q1, a relay switch J2, and a resistor R1. The base electrode of the triode Q1 is connected with a 7-pin P60 of the main control chip, the collector electrode of the triode Q1 is connected with the relay switch J2, a pin 1 of the relay switch J2 is connected with a pin 2 in a default mode, a pin 2 of the relay switch J2 is suspended, a pin 3 of the relay switch J2 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a power supply, a pin 1 of the heating film is connected with a pin 1 of the relay switch J2, and a pin 2 of the heating film and the emitter electrode of the triode Q1 are connected and then grounded. The transistor Q1 controls the relay switch J2 to selectively activate or deactivate, the relay switch is suspended by default, i.e., the relay switch J2 is deactivated by default, and the heating membrane is deactivated. Since the relay switch is disabled by default, the relay is not enabled when transistor Q1 is low, and the temperature control unit is disabled when transistor Q1 is low. When the pin P60P of the main control chip is set high, Q1 is conducted, current is controlled to be grounded through a relay switch, the relay works, the switch is attracted to the pin 3, the current passing through the current limiting resistor R1 is connected into the circuit, the temperature control unit works, and the heating film starts. The temperature is controlled by controlling the start and stop of the heating film.
The voltage stabilization unit includes: a voltage regulator tube Q2, a capacitor C1, and a capacitor C2. A pin 1 of the voltage regulator tube Q2 is grounded, a pin 2 of the voltage regulator tube Q2 is connected with a capacitor C2 and a 3.3V power supply, and a pin 3 of the voltage regulator tube Q2 is connected with a capacitor C1 and a 12V power supply. The voltage stabilizing unit converts a 12V power supply into 3.3V voltage through a voltage stabilizing tube Q2.
The interaction unit comprises a green indicator light D1, a key J3, a key J4 and an OLED display screen, wherein the green indicator light is turned on in a constant temperature mode and used for reminding a user. The button J3 is used for controlling the heating function to be turned on or off, and the button J4 is used for selecting the heating temperature. The OLED display screen is used for displaying data, is connected with a 6-pin P61 and a 5-pin P62 of the main control chip, is distinguished from the air pressure sensor through a device address, and is used for displaying parameters such as the current temperature, air pressure and boiling point.
The invention also provides a container, which uses the silent constant-temperature heating system, wherein the heating film covers the wall of the container, the coverage range of the heating film is not less than three-fourths of the height of the container, and if the coverage range of the heating film is less than three-fourths of the height of the container, the silent effect can be lost. The container can be a lunch box, a water cup and a portable barbecue grill.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A silent constant-temperature heating method is characterized by comprising the following steps:
step 1: acquiring target temperature and air pressure, acquiring the temperature of liquid to be heated and the air pressure of the current environment at intervals by the main control unit through the air temperature acquisition unit, and acquiring the boiling point of the liquid under the current air pressure;
step 2: and controlling the temperature, wherein the main control unit refers to the boiling point under the atmospheric pressure according to the temperature and the atmospheric pressure obtained by the air temperature acquisition unit, takes corresponding action, sets the temperature control unit to work when the temperature is lower than the vicinity of the boiling point, controls the heating film to heat the liquid, sets the temperature control unit to stop when the temperature is lower than the vicinity of the boiling point and the boiling point is not reached, controls the water temperature not to reach the boiling point, and then enters a constant temperature mode.
2. The silent constant-temperature heating method according to claim 1, wherein the step 1 specifically comprises the following steps:
step 1.1: reading the temperature and the air pressure, and communicating with an air pressure sensor and a temperature sensor through an I2C protocol to obtain a current atmospheric pressure value P and a current temperature value T;
step 1.2: and after the atmospheric pressure value is obtained, the boiling point H corresponding to the liquid under the current atmospheric pressure is obtained by inquiring the air pressure-boiling point table.
3. The silent constant-temperature heating method according to claim 1, wherein in the step 2, the temperature control unit is controlled to operate or stop by a triode, so that the heating film keeps heating or stops heating, and the temperature of the liquid is ensured to be lower than the boiling point.
4. A silent constant temperature heating system, comprising: the main control unit, temperature acquisition unit and temperature control unit with main control unit electric connection, the main control unit includes main control chip, the temperature of the liquid of treating the heating of temperature acquisition unit and the atmospheric pressure of current environment, the temperature control unit is used for the temperature of control liquid, the temperature control unit includes the heating film.
5. The silent constant-temperature heating system according to claim 4, wherein the air temperature collection unit comprises an air pressure sensor and a temperature sensor, and the temperature control unit comprises: triode Q1, relay switch J2 and resistance R1, triode Q1's base with a pin of main control chip is connected, triode Q1's collecting electrode with relay switch J2 connects, relay switch J2's 1 foot is acquiescently connect 2 feet, and relay switch J2's 2 feet are unsettled, relay switch J2's 3 feet with resistance R1's one end is connected, another termination power of resistance R1, the 1 foot of heating film with relay switch J2's 1 foot is connected, the back ground connection is connected to the 2 feet of heating film and triode Q1's projecting pole.
6. The silent constant-temperature heating system according to claim 4, further comprising a voltage stabilizing unit, the voltage stabilizing unit comprising: a voltage regulator tube Q2, a capacitor C1 and a capacitor C2, wherein a pin 1 of the voltage regulator tube Q2 is grounded, a pin 2 of the voltage regulator tube Q2 is connected with a capacitor C2 and a 3.3V power supply, and a pin 3 of the voltage regulator tube Q2 is connected with the capacitors C1 and a 12V power supply.
7. The silent constant-temperature heating system according to claim 4, further comprising an interactive unit, wherein the interactive unit comprises an indicator light D1, a button J3, a button J4 and a display screen, the indicator light is used for displaying the working state, the button J3 is used for controlling the heating function to be turned on or off, and the button J4 is used for selecting the heating temperature.
8. A container, characterized in that, using the silent constant temperature heating system as claimed in any one of claims 4 to 7, the heating film is coated on the wall of the container.
9. The container of claim 8, wherein the heating film covers no less than three-quarters of the height of the container.
10. The container of claim 8, wherein the container is a lunchbox, a cup, or a portable barbecue grill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535499.2A CN114052488A (en) | 2021-12-15 | 2021-12-15 | Silent constant-temperature heating method and system and container using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535499.2A CN114052488A (en) | 2021-12-15 | 2021-12-15 | Silent constant-temperature heating method and system and container using same |
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| Publication Number | Publication Date |
|---|---|
| CN114052488A true CN114052488A (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111535499.2A Pending CN114052488A (en) | 2021-12-15 | 2021-12-15 | Silent constant-temperature heating method and system and container using same |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201630978U (en) * | 2007-07-17 | 2010-11-17 | 奥特控制有限公司 | Control device for household appliance equipment |
| CN103767526A (en) * | 2012-12-17 | 2014-05-07 | 苟仲武 | Pseudo-boiling energy-saving kitchen range and method for using pseudo-boiling energy-saving kitchen range to carry out heating |
| CN105662117A (en) * | 2016-04-13 | 2016-06-15 | 浙江大学 | Boiling-free energy-saving hot pot device and boiling-free control method thereof |
| CN106440331A (en) * | 2016-08-30 | 2017-02-22 | 陈非 | Automatic constant-temperature heating system and control method thereof |
| WO2017097643A1 (en) * | 2015-12-08 | 2017-06-15 | Arcelik Anonim Sirketi | A silently operating liquid heating device |
| CN206333740U (en) * | 2016-09-09 | 2017-07-18 | 广东美的生活电器制造有限公司 | Heating vessel |
| CN214856023U (en) * | 2021-01-29 | 2021-11-26 | 宁波科诺佳新材料有限公司 | Electric heating film type portable electric heating thermos cup with charger |
-
2021
- 2021-12-15 CN CN202111535499.2A patent/CN114052488A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201630978U (en) * | 2007-07-17 | 2010-11-17 | 奥特控制有限公司 | Control device for household appliance equipment |
| CN103767526A (en) * | 2012-12-17 | 2014-05-07 | 苟仲武 | Pseudo-boiling energy-saving kitchen range and method for using pseudo-boiling energy-saving kitchen range to carry out heating |
| WO2017097643A1 (en) * | 2015-12-08 | 2017-06-15 | Arcelik Anonim Sirketi | A silently operating liquid heating device |
| CN105662117A (en) * | 2016-04-13 | 2016-06-15 | 浙江大学 | Boiling-free energy-saving hot pot device and boiling-free control method thereof |
| CN106440331A (en) * | 2016-08-30 | 2017-02-22 | 陈非 | Automatic constant-temperature heating system and control method thereof |
| CN206333740U (en) * | 2016-09-09 | 2017-07-18 | 广东美的生活电器制造有限公司 | Heating vessel |
| CN214856023U (en) * | 2021-01-29 | 2021-11-26 | 宁波科诺佳新材料有限公司 | Electric heating film type portable electric heating thermos cup with charger |
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Application publication date: 20220218 |