CN107260008B - Constant-temperature heating device of coffee hand-brewing kettle and constant-temperature control method thereof - Google Patents
Constant-temperature heating device of coffee hand-brewing kettle and constant-temperature control method thereof Download PDFInfo
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- CN107260008B CN107260008B CN201710683117.8A CN201710683117A CN107260008B CN 107260008 B CN107260008 B CN 107260008B CN 201710683117 A CN201710683117 A CN 201710683117A CN 107260008 B CN107260008 B CN 107260008B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 76
- 238000011010 flushing procedure Methods 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims description 71
- 239000000523 sample Substances 0.000 claims description 49
- 230000006698 induction Effects 0.000 claims description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 10
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical group [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
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- 230000001105 regulatory effect 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
- A47J36/2488—Warming devices with electrical heating means having infrared radiating elements
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- Electric Stoves And Ranges (AREA)
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Abstract
The invention discloses a constant-temperature heating device of a coffee hand-brewing kettle and a constant-temperature control method thereof, wherein the constant-temperature heating device comprises the hand-brewing kettle and a heating base, the surface of the heating base is at least provided with a control area, the heating base is provided with a heating area, the heating base is provided with a detection part, an infrared temperature detection device is arranged in the detection part, and the infrared temperature detection device is arranged towards the hand-brewing kettle; the detection part also comprises an infrared calibration device, wherein the infrared calibration device is used for adjusting the infrared temperature detection device to detect the temperature of the hand-flushing kettle; the heating kettle is characterized by further comprising a temperature control device connected with the detection part, wherein the temperature control device is arranged in the heating base and adjusts the heating temperature according to the temperature detected by the detection part on the kettle. The coffee hand-brewing kettle is convenient to use and simple in structure, and effectively solves the problems that a coffee hand-brewing kettle cannot be heated at constant temperature, different temperatures required by brewing different coffee cannot be met, and larger deviation can occur in the temperature detected in the heating process.
Description
Technical Field
The invention relates to the field of coffee appliances, in particular to a constant-temperature heating device of a coffee hand brewing kettle and a constant-temperature control method thereof.
Background
Along with the development of social economy, the living standard of people is improved, the requirements of people on substance enjoyment are also gradually improved, the mode of being enthusiastic for traditional Italian coffee is changed into favorite hand-made coffee, and the requirements on hand-made coffee are gradually improved. Therefore, the menu of each coffee shop increases hand-brewed coffee other than Italian coffee, and the hand-brewed coffee plays a role of slowing down the life style of people in the society with the increasingly faster life pace.
The existing coffee pot with the constant temperature heating function only has the automatic coffee pot with the constant temperature heating device arranged at the bottom, and the coffee hand brewing pot does not have the heating function. Hand-brewed coffee is more attractive than other coffee because it is more capable of restoring the taste of the coffee itself.
In the prior art, the heating device is generally used for heating water and then pouring the water into the hand-brewing kettle or directly heating the water on an electromagnetic oven or a gas stove. After being heated by a heating device, the coffee is poured into a hand-brewing kettle or directly heated by an electromagnetic oven and a gas stove, so that the conditions of different temperatures required by brewing different coffee cannot be met; on the other hand, the direct heating of the hand-flushing kettle by the gas stove can burn the bottom of the hand-flushing kettle, and the hand-flushing kettle is in a high-temperature state, so that the follow-up operation is difficult to continue.
At present, heating elements and temperature control devices are arranged at the bottom of a kettle of a constant-temperature heating coffee device in the market to achieve the purpose of constant-temperature heating, so that the weight of the kettle is too heavy to facilitate the operation of brewing coffee by hands, and on the other hand, most of the devices for constant-temperature heating are non-contact constant-temperature heating, but the non-contact constant-temperature heating mode can be unstable due to long-time operation or temperature frequency change, so that larger deviation occurs between detected temperature and actual temperature.
Disclosure of Invention
The invention aims to provide a constant-temperature heating device of a coffee hand brewing kettle and a constant-temperature control method thereof, wherein the constant-temperature heating device has the advantages of no radiation, high heating temperature, no noise, no kettle picking, adjustable detection temperature and the like, has a simple structure, is convenient to use, and can effectively solve the problems that the coffee hand brewing kettle cannot be heated at a constant temperature, cannot meet different temperatures required by brewing different coffee, and the temperature detection in the constant-temperature heating process has larger deviation.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the constant temperature heating device of the coffee hand-brewing kettle comprises a hand-brewing kettle and a heating base thereof, wherein at least one control area is arranged on the surface of the heating base, the heating base is provided with a heating area, a detection part is arranged on the heating base, an infrared temperature detection device is arranged in the detection part, and the infrared temperature detection device is arranged towards the hand-brewing kettle; the detection part also comprises an infrared calibration device, wherein the infrared calibration device is used for adjusting the infrared temperature detection device to detect the temperature of the hand-flushing kettle; the heating kettle is characterized by further comprising a temperature control device connected with the detection part, wherein the temperature control device is arranged in the heating base and adjusts the heating temperature according to the temperature detected by the detection part on the kettle.
Further, the infrared calibration device comprises a first infrared probe and an infrared receiver, and is used for temperature detection and temperature signal reception of the infrared calibration device. The first infrared probe detects a temperature signal of the hand-washing kettle and transmits the temperature signal to the infrared receiver; the infrared receiver can receive the temperature data of the infrared temperature detection device and store the temperature data as reference data.
Further, the hand-washing kettle is a stainless steel kettle, a glass kettle or a ceramic kettle, and an induction coating or an induction sticker is arranged at the position corresponding to the infrared temperature detection device. When the hand-washing kettle is made of the stainless steel, the primary color surface of the stainless steel is too bright, the reflection is serious, the emissivity is small, the primary color stainless steel cannot be detected by infrared detection, and the second infrared probe can detect the temperature of the hand-washing kettle and can improve the ornamental value of the hand-washing kettle by arranging the induction coating or the induction sticker at the position corresponding to the infrared temperature detection device; when the hand-washing kettle uses glass or ceramic, the hand-washing kettle can be directly used, and the position of the hand-washing kettle corresponding to the infrared temperature detection device does not need to be provided with an induction coating or induction sticker.
Further, the infrared temperature detection device further comprises a second infrared probe, a filter sheet and an electronic sensing conversion part, wherein the filter sheet is connected with the second infrared probe, and the electronic sensing conversion part is connected with the temperature control device; the electronic sensing transformation part is an infrared sensor and is used for converting temperature signals into electronic signals, and two ends of the infrared sensor are respectively connected with the filter disc and the temperature control device. When the infrared heating device is used, the temperature signals on the surface of the hand-washing kettle are collected by the second infrared probe and are transmitted to the electronic sensing conversion part to be converted into electronic signals after being filtered by the filter plate, the conversion efficiency of the signals is effectively improved, the infrared sensors receive the temperature signals which are filtered by the filter plate and are converted into the electronic signals, the signal conversion process is simple, the signal processing efficiency is high, and the infrared sensors use common infrared sensors in the market, so that the infrared sensors are low in price, and the manufacturing cost of the constant-temperature heating device is effectively reduced.
Further, the temperature control device comprises a control part and a heating part, wherein the heating part is arranged below the heating area, and the control part is arranged in the control area and is connected with the infrared sensor; the control area is provided with a plurality of functional buttons and a display screen, and is used for controlling the starting and closing of the heating base and the setting and display of constant-temperature heating temperature; a heating part is arranged below the heating area, infrared rays generated by heating of the heating part can be directly transmitted to the bottom surface of the heating area above the heating part, the hand-washing kettle is arranged on the heating area, the infrared rays can rapidly heat the hand-washing kettle, and the energy consumption of the infrared rays is reduced; the control area is provided with a plurality of function buttons, and a user can adjust the constant-temperature heating temperature and start and close the heating base by pressing the function buttons on the control area.
Still further, the control portion includes signal receiver and temperature controller, signal receiver with infrared sensor connects, temperature controller with the portion that generates heat is connected, the portion that generates heat is nickel chromium heating coil. The temperature receiver receives the electronic signals transmitted by the infrared sensor and transmits the electronic signals to the temperature controller, the temperature controller adjusts the power of the heating part according to the electronic signals, the heating temperature of the heating base is continuously adjusted according to the temperature change of the hand-washing kettle, the hand-washing kettle achieves the constant-temperature heating effect, and meanwhile, the heating temperature error range of the constant-temperature heating device is within plus or minus 3 ℃; the nickel-chromium heating coil can be used for converting heat generated by heating of the heating coil into infrared rays, the infrared rays are transmitted to the bottom surface of the heating area, and the hand-washing kettle arranged in the heating area is heated; and the nickel-chromium heating wire has low price and long service life, and reduces the consumable and cost of the constant temperature heating device.
Further, the outer wall of the detection part is provided with a plurality of heat dissipation grooves, the bottom of the heating base is provided with a plurality of feet, the heating base is continuously heated in the process of generating heat by the heating coil and converting the heat into infrared rays, the detection part arranged on the heating base is in a high-temperature state, the outer wall of the detection part is provided with a plurality of heat dissipation grooves, the temperature on the detection part can be reduced, and the infrared temperature detection device is prevented from being damaged due to too high temperature when the heating base operates; the bottom of the heating base is provided with a plurality of feet which play a role in supporting the heating base, and meanwhile, the damage to a table or a kitchen cooking bench on which the heating base is placed due to the fact that the temperature of the heating base is too high during working can be avoided; the use safety of the constant temperature heating device is improved.
Further, the heating temperature of the heating base is set to 35 to 95 degrees. Different temperatures are required for different varieties of coffee or different roast or grind brewing of the same variety of coffee, and the heating base can meet the different temperature requirements for brewing the coffee by brewing hands.
The invention also provides a constant-temperature heating control method of the coffee hand-brewing kettle, which at least comprises the following steps:
s1: the method comprises the steps of irradiating an induction area of a hand-washing kettle through a second infrared probe of an infrared temperature detection device, and collecting temperature signals of the hand-washing kettle;
s2: the temperature signals are filtered through a filter disc and are transmitted to an infrared sensor, and the temperature signals are converted into electronic signals after being calibrated by an infrared calibration device and are transmitted to a signal receiver of a temperature control device through the infrared sensor;
s3: and a temperature controller in the temperature control device synchronously adjusts the power of the heating coil according to the temperature signal received by the signal receiver, and the hand-washing kettle is subjected to constant-temperature heating operation.
Still further, the step S2 of the constant temperature heating control method further includes a step of calibrating the temperature signal by the infrared calibration device, and the calibration operation includes at least the following steps:
a1: the infrared calibration device is started according to the operation time of the infrared sensor and the detected temperature interval, and when the infrared sensor is operated for a period of time or the received temperature is too high or too low, the infrared calibration device is started;
a2: when the infrared calibration device is started, the current temperature information of the infrared sensor is read through the infrared receiver and stored as reference data, and meanwhile, the first infrared probe detects the current temperature of the hand-flushing kettle;
a3: the second infrared probe synchronously detects the temperature of the hand-flushing kettle when the first infrared probe detects the temperature of the hand-flushing kettle; the infrared calibration device compares and analyzes the temperature detected by the second infrared probe, the temperature detected by the first infrared probe and the reference data, and the average value of the three temperature data is taken as the actual temperature of the current hand-washing kettle and is transmitted to the infrared sensor.
According to the method, a user only needs to place a hand-washing kettle filled with water on a heating area of a heating base, a function button on a control area is pressed to start the heating base, the constant-temperature heating temperature of the heating base is set through the function button, a second infrared probe of an infrared temperature detection device of the constant-temperature heating device irradiates an induction coating or induction sticker of the hand-washing kettle, temperature signals of the hand-washing kettle are collected, the temperature signals are filtered through a filter plate and then are transmitted to an infrared sensor, an infrared calibration device is started according to the operation time and the received temperature interval of the infrared sensor, the current temperature information of the infrared sensor is read through an infrared receiver and is stored as reference data, meanwhile, the first infrared probe detects the temperature of the hand-washing kettle, the second infrared probe synchronously detects the temperature of the hand-washing kettle, the infrared calibration device carries out comparison analysis on the temperature detected by the second infrared probe, the temperature detected by the first infrared probe and the reference data, and the average value of the three temperature data is taken as the current temperature of the hand-washing kettle to be transmitted to the infrared sensor; the infrared sensor converts the temperature signal into an electronic signal and transmits the electronic signal to the signal receiver; the temperature controller adjusts the power of the heating coil according to the electronic signals received by the signal receiver, and the heating coil generates heat and converts the heat into infrared rays to heat the bottom surface of the heating area, so that the process of heating the hand-washing kettle placed on the heating area can be operated by the hand. The operation is simple and convenient, and the constant-temperature heating of the hand-flushing kettle can be easily completed by operators in the coffee field.
Compared with the prior art, the constant-temperature heating device of the coffee hand-brewing kettle and the constant-temperature control method thereof are characterized in that a detection part is arranged on a heating base, an infrared temperature detection device is arranged on the detection part, the infrared temperature detection device comprises a second infrared probe, a filter disc and an electronic sensing conversion part, and the electronic sensing conversion part is an infrared sensor; the infrared calibration device is started according to the operation time of the infrared sensor and the received temperature interval, when the infrared sensor is used for a period of time or the received temperature is too high or too low, the infrared calibration device is started, the current temperature information of the infrared sensor is read through the infrared receiver and stored as reference data, meanwhile, the first infrared probe detects the temperature of the hand pot, the second infrared probe synchronously detects the temperature of the hand pot, the infrared calibration device compares and analyzes the temperature detected by the second infrared probe with the temperature detected by the first infrared probe and the reference data, the average value of the three temperature information is transmitted to the infrared sensor as the current actual temperature of the hand pot, the temperature self-calibration effect is achieved, the error of temperature detection is reduced, and the infrared temperature detection device stably operates for a long time. The hand-washing kettle is a stainless steel kettle, a glass kettle or a ceramic kettle, an induction coating or an induction sticker is arranged at the position corresponding to the infrared temperature detection device, when the hand-washing kettle uses the stainless steel kettle, the surface of the primary color of the stainless steel is too bright, the reflection is serious, the emissivity is small, the temperature of the primary color stainless steel cannot be detected by infrared detection, and the induction coating or the induction sticker is arranged at the position corresponding to the infrared temperature detection device, so that the second infrared probe can detect the temperature of the hand-washing kettle, and the ornamental value of the hand-washing kettle can be improved; when the hand-washing kettle uses glass or ceramic, the hand-washing kettle can be directly used, and the position of the hand-washing kettle corresponding to the infrared temperature detection device does not need to be provided with an induction coating or induction sticker. This constant temperature heating device convenient to use, people only need press the function button starts the heating base, and set up the heating temperature of heating base, this constant temperature heating device can accomplish above-mentioned constant temperature heating control step and infrared temperature calibration step voluntarily, makes the heating coil generates heat and produces the heat and convert infrared heating the bottom surface of heating region, indirect heating place in hand towards the kettle on the heating region, make this constant temperature heating device can constant temperature heating hand towards the kettle. The problem that the coffee hand brewing kettle can not heat at constant temperature and can not meet different temperatures required by brewing different coffee is effectively solved, and a large error can occur in the temperature detection in the constant temperature heating process.
Drawings
FIG. 1 is a front view of a constant temperature heating apparatus and a constant temperature control method thereof for a coffee hand brewing kettle of the present invention;
FIG. 2 is a perspective view of a heating base of a constant temperature heating apparatus and a constant temperature control method of a coffee hand brewing kettle according to the present invention;
fig. 3 is a flow chart of a constant temperature heating apparatus and a constant temperature control method of a coffee hand brewing kettle according to the present invention.
Detailed Description
The invention relates to a constant temperature heating device of a coffee hand brewing kettle and a constant temperature control method thereof, which are described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a constant temperature heating device of a coffee hand-brewing kettle comprises a hand-brewing kettle 1 and a heating base 2 thereof, wherein at least one control area 5 is arranged on the surface of the heating base 2, a heating area 4 is arranged on the heating base 2, a detection part 6 is arranged on the heating base 2, an infrared temperature detection device is arranged in the detection part 6, and the infrared temperature detection device is arranged towards the hand-brewing kettle 1; the detecting part 6 further comprises an infrared calibration device, wherein the infrared calibration device is used for adjusting the infrared temperature detecting device to detect the temperature of the hand-flushing kettle 1; the hand-washing kettle further comprises a temperature control device connected with the detection part 6, wherein the temperature control device is arranged in the heating base 2 and adjusts the heating temperature according to the temperature detected by the detection part 6 on the hand-washing kettle 1.
Preferably, the temperature detection and temperature signal reception for the infrared calibration device. The first infrared probe 9 detects the temperature signal of the hand-washing kettle 1 and transmits the temperature signal to the infrared receiver; the infrared receiver can receive the temperature data of the infrared temperature detection device and store the temperature data as reference data.
Preferably, the hand-washing kettle 1 is a stainless steel kettle, a glass kettle or a ceramic kettle, the position of the hand-washing kettle 1 corresponding to the infrared temperature detection device is provided with an induction coating or an induction sticker, when the hand-washing kettle 1 uses the stainless steel kettle, the surface of the primary color of the stainless steel is too bright, the reflection is serious, the emissivity is small, the temperature of the primary color stainless steel cannot be detected by infrared detection, and the position of the hand-washing kettle 1 corresponding to the infrared temperature detection device is provided with the induction coating or the induction sticker, so that the second infrared probe can detect the temperature of the hand-washing kettle 1, and the ornamental value of the hand-washing kettle 1 can be improved; when the hand-washing kettle 1 uses glass or ceramic, the hand-washing kettle can be directly used, and an induction coating or induction sticker is not required to be arranged at the position of the hand-washing kettle 1 corresponding to the infrared temperature detection device. The preferred stainless steel hand towards kettle of this embodiment, stainless steel hand towards kettle has corrosion-resistant, high temperature resistant, low temperature resistant and difficult damaged advantage for glass kettle and ceramic kettle, delays the life that the kettle was towards to the hand, prevents to break or break and lead to inside high temperature liquid to spill and cause the incident because of the hand towards the kettle.
Preferably, the infrared temperature detection device comprises a second infrared probe 3, a filter sheet and an electronic sensing conversion part, wherein the filter sheet is connected with the second infrared probe, and the electronic sensing conversion part is connected with the temperature control device; the electronic sensing transformation part is an infrared sensor and is used for converting temperature signals into electronic signals, and two ends of the infrared sensor are respectively connected with the filter disc and the temperature control device. When using, the conversion between temperature signal and the electronic signal only passes through the filtration of filter plate with the electronic sensing transformation portion converts temperature signal into electronic signal, the effectual conversion efficiency who improves the signal, infrared sensor collects the process temperature signal after the filter plate filters converts into electronic signal, and signal conversion process is simple, and signal processing efficiency is high, just infrared sensor uses the ordinary infrared sensor in market, the low price, the cost of manufacture of this constant temperature heating device of effectual reduction.
Preferably, the temperature control device comprises a control part and a heating part, the heating part is arranged below the heating area 4, the control part is arranged in the control area 5, and the control area 5 is provided with a plurality of function buttons and a display screen for controlling the starting and closing of the heating base 2 and the setting and display of the constant-temperature heating temperature; a heating part is arranged below the heating area 4, infrared rays generated by heating of the heating part can be directly transmitted to the bottom surface of the heating area 4 above the heating part, the hand-washing kettle 1 is placed on the heating area 4, the infrared rays can rapidly heat the hand-washing kettle 1, and the energy consumption of the infrared rays is reduced; a function button is arranged on the control area 5, and a user can adjust the constant temperature heating temperature and start and close the heating base 2 by pressing the function button.
Further, the control part comprises a signal receiver and a temperature controller, the signal receiver is connected with the infrared sensor, the temperature controller is connected with the heating part, and the heating part is a nickel-chromium heating coil. The temperature receiver receives the temperature signal transmitted by the sensor and then transmits the temperature signal to the temperature controller, the temperature controller adjusts the power of the heating part according to the temperature signal, the heating temperature of the heating base 2 is continuously adjusted according to the temperature change of the hand-washing kettle 1, the hand-washing kettle 1 achieves the effect of constant temperature heating, and meanwhile, the error range of the temperature signal can be ensured to be within plus or minus 3 ℃; the nickel-chromium heating coil can be used for converting heat generated by heating of the heating coil into infrared rays, and the infrared rays are transmitted to the bottom surface of the heating area 4 and heat the hand-washing kettle 1 placed in the heating area 4; the nickel-chromium wire in the market is low in price, so that the material cost of the constant temperature heating device is reduced; the heating part can also be a magnetron, and the magnetron can convert direct-current electric energy into microwave oscillation output, so that the heating area 4 generates heat to heat the hand-washing kettle 1.
Preferably, the outer wall of the detecting part is provided with a plurality of heat dissipation grooves 7, the bottom 2 of the heating base is provided with a plurality of feet 8, the heating base 2 is continuously heated in the process of generating heat by the heating coil and converting the heat into infrared rays, the detecting part 6 arranged on the heating base 2 is in a high-temperature state, the outer wall of the detecting part is provided with a plurality of heat dissipation grooves 7, the temperature on the detecting part 6 can be reduced, and the infrared temperature detecting device is prevented from being damaged due to too high temperature when the heating base 2 is operated; a plurality of feet 8 are arranged at the bottom of the heating base 2, and the feet 8 play a role in supporting the heating base 2, so that the damage to a table or a kitchen cooking bench on which the heating base 2 is placed caused by overhigh temperature when the heating base 2 works can be avoided; the use safety of the constant temperature heating device is improved.
Preferably, the heating temperature of the heating base 2 is 35 to 95 degrees. Different temperatures are required for different varieties of coffee or different roast or grind brewing of the same variety of coffee, and the heating base 2 can meet the different temperature requirements for brewing the coffee by hand.
Preferably, the invention also provides a constant temperature heating control method of the coffee hand brewing kettle, which at least comprises the following steps:
s1: the method comprises the steps of irradiating an induction area of a hand-washing kettle 1 through a second infrared probe 3 of an infrared temperature detection device, and collecting temperature signals of the hand-washing kettle 1;
s2: the temperature signals are filtered through a filter disc and are transmitted to an infrared sensor, and the temperature signals are converted into electronic signals after being calibrated by an infrared calibration device and are transmitted to a signal receiver of a temperature control device through the infrared sensor;
s3: and a temperature controller in the temperature control device synchronously adjusts the power of the heating coil according to the temperature signal received by the signal receiver, and the hand-washing kettle is subjected to constant-temperature heating operation.
Further, step S2 in the constant temperature heating control method further includes a method for calibrating a temperature signal by infrared, and at least includes the following steps:
a1: the infrared calibration device is started according to the operation time of the infrared sensor and the detected temperature interval, and when the infrared sensor is operated for a period of time or the received temperature is too high or too low, the infrared calibration device is started;
a2: when the infrared calibration device is started, the current temperature information of the infrared sensor is read through the infrared receiver and stored as reference data, and meanwhile, the first infrared probe detects the current temperature of the hand-washing kettle 1;
a3: the second infrared probe synchronously detects the temperature of the hand-washing kettle 1 when the first infrared probe detects the temperature of the hand-washing kettle 1, the infrared calibration device compares and analyzes the temperature detected by the second infrared probe with the temperature detected by the first infrared probe and the reference data, and the average value of the three temperature data is taken as the actual temperature of the current hand-washing kettle 1 and is transmitted to the infrared sensor.
By the method for infrared calibration of temperature signals by the constant-temperature heating control method of the coffee hand-brewing kettle, a user only needs to finish the steps of placing the hand-brewing kettle 1 filled with water on the heating area 4 of the heating base 2, pressing a function button on the control area 5 to start the heating base 2, adjusting the heating temperature of the heating base 2 through the function button and other simple procedures, and the constant-temperature heating device can automatically operate the constant-temperature heating control step of the hand-brewing kettle and the infrared temperature signal calibration step to finish the purpose of constant-temperature heating of the hand-brewing kettle 1 placed on the heating area 4.
According to the constant-temperature heating device and the constant-temperature control method for the coffee hand-brewing kettle, the hand-brewing kettle 1 is a stainless steel kettle, a glass kettle or a ceramic kettle, and an induction coating or induction sticker is arranged at the position of the hand-brewing kettle 1 corresponding to the infrared temperature detection device; when the hand-washing kettle 1 uses a stainless steel kettle, the surface of the primary color of the stainless steel is too bright, the reflection is serious, the emissivity is small, the temperature of the primary color stainless steel cannot be detected by infrared detection, and the second infrared probe can detect the temperature of the hand-washing kettle 1 and can improve the ornamental value of the hand-washing kettle 1 by arranging an induction coating or an induction sticker at the position corresponding to the infrared temperature detection device; when the hand-washing kettle 1 uses glass or ceramic, the hand-washing kettle can be directly used, and an induction coating or induction sticker is not required to be arranged at the position of the hand-washing kettle 1 corresponding to the infrared temperature detection device.
The heating base 2 is provided with a detection part 6, an infrared temperature detection device is arranged in the detection part 6, the detection part further comprises an infrared calibration device, the infrared calibration device comprises a first infrared probe 9 and an infrared receiver, the infrared calibration device is used for adjusting the infrared temperature detection device to detect the temperature of the hand-washing kettle 1, the infrared temperature detection device further comprises a second infrared probe 3, a filter disc and an electronic sensing conversion part, and the electronic sensing conversion part is an infrared sensor; the infrared calibration device is started according to the operation time of the infrared sensor and the received temperature interval, when the infrared sensor is used for a period of time or the received temperature is too high or too low, the infrared calibration device is started, the current temperature information of the infrared sensor is read through the infrared receiver and stored as reference data, meanwhile, the first infrared probe detects the temperature of the hand-flushing kettle 1, the second infrared probe synchronously detects the temperature of the hand-flushing kettle 1, the infrared calibration device performs comparison analysis on the temperature detected by the second infrared probe, the temperature detected by the first infrared probe and the reference data, the average value of the three temperature information is transmitted to the infrared sensor as the current actual temperature of the hand-flushing kettle 1, so that the effect of temperature self-calibration is achieved, the error of temperature detection is reduced, and the infrared temperature detection device stably operates for a long time.
A temperature control device is arranged in the heating base 2 and comprises a control part and a heating part, wherein the heating part is a nickel-chromium heating coil, and the control part comprises a signal receiver and a temperature controller. The nickel-chromium heating coil can be used for converting heat generated by heating of the heating coil into infrared rays, and the infrared rays are transmitted to the bottom surface of the heating area 4 and heat the hand-washing kettle 1 placed in the heating area 4; and the nickel-chromium wire in the market has low price, so that the material cost of the constant temperature heating device is reduced. The heating temperature of the heating base 2 is set to be 35-95 ℃, different temperatures are required for baking or grinding brewing of different types of coffee or coffee of the same type, and the heating base 2 can heat the hand brewing kettle 1 according to different coffee types by using different heating temperatures.
Compared with the heating mode that a coffee hand-brewing kettle which is used for brewing coffee by hand is directly heated on an electromagnetic oven or a gas stove or is poured into the hand-brewing kettle 1 after being heated by using other heating devices, the constant-temperature heating device can accurately and constantly heat the hand-brewing kettle 1 by the constant-temperature heating method and the infrared temperature calibration method, different constant-temperature heating temperatures can be regulated according to different coffee, meanwhile, errors of detected temperatures can be reduced, and the error range of the constant-temperature heating temperatures is ensured to be within plus or minus 3 ℃. The problem that the coffee hand brewing kettle can not heat at constant temperature and can not meet different temperatures required by brewing different coffee is solved, and the temperature detected in the constant temperature heating process can generate larger errors is solved.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (8)
1. The constant temperature heating device of the coffee hand-brewing kettle comprises a hand-brewing kettle and a heating base thereof, wherein the surface of the heating base is provided with at least one control area; the detection part also comprises an infrared calibration device, wherein the infrared calibration device is used for adjusting the infrared temperature detection device to detect the temperature of the hand-flushing kettle; the heating base is provided with a detection part, and the detection part is connected with the heating base;
the method also comprises a constant temperature control method, at least comprising the following steps:
s1: the method comprises the steps of irradiating an induction area of a hand-washing kettle through a second infrared probe of an infrared temperature detection device, and collecting temperature signals of the hand-washing kettle;
s2: the temperature signals are filtered through a filter disc and are transmitted to an infrared sensor, and the temperature signals are converted into electronic signals after being calibrated by an infrared calibration device and are transmitted to a signal receiver of a temperature control device through the infrared sensor;
s3: the temperature controller in the temperature control device synchronously adjusts the power of the heating coil according to the temperature signal received by the signal receiver, and the hand-washing kettle is subjected to constant-temperature heating operation;
the step S2 further includes a step of calibrating the temperature signal by the infrared calibration device, and the calibration operation includes at least the following steps:
a1: the infrared calibration device is started according to the operation time of the infrared sensor and the detected temperature interval, and when the infrared sensor is operated for a period of time or the received temperature is too high or too low, the infrared calibration device is started;
a2: when the infrared calibration device is started, the current temperature information of the infrared sensor is read through the infrared receiver and stored as reference data, and meanwhile, the first infrared probe detects the current temperature of the hand-flushing kettle;
a3: the second infrared probe synchronously detects the temperature of the hand-flushing kettle when the first infrared probe detects the temperature of the hand-flushing kettle; the infrared calibration device compares and analyzes the temperature detected by the second infrared probe with the temperature detected by the first infrared probe and the reference data, and the average value of the three temperature data is taken as the actual temperature of the current hand-washing kettle and is transmitted to the infrared sensor.
2. A constant temperature heating apparatus according to claim 1, wherein the infrared calibration means comprises a first infrared probe and an infrared receiver for temperature detection and temperature signal reception of the infrared calibration means.
3. The constant temperature heating apparatus according to claim 1, wherein the hand-washing kettle is a stainless steel kettle, a glass kettle or a ceramic kettle, and the hand-washing kettle is provided with an induction coating or an induction sticker at a position corresponding to the infrared temperature detection apparatus.
4. The constant temperature heating apparatus according to claim 1, wherein the infrared temperature detecting apparatus further comprises a second infrared probe, a filter sheet, and an electronic sensing transformation part, the filter sheet being connected to the second infrared probe, the electronic sensing transformation part being connected to the temperature control apparatus; the electronic sensing transformation part is an infrared sensor and is used for converting temperature signals into electronic signals, and two ends of the infrared sensor are respectively connected with the filter disc and the temperature control device.
5. The constant temperature heating device according to claim 1, wherein the temperature control device comprises a control part and a heating part, the heating part is arranged below the heating area, and the control part is arranged in the control area and is connected with the infrared sensor; the control area is provided with a plurality of function buttons and a display screen, and is used for controlling the starting and closing of the heating base and the setting and display of constant-temperature heating temperature.
6. The constant temperature heating apparatus according to claim 5, wherein the control section includes a signal receiver and a temperature controller for receiving an electronic signal to control the heating temperature; the signal receiver is connected with the infrared sensor, the temperature controller is connected with the heating part, and the heating part is a nickel-chromium heating coil.
7. The constant temperature heating apparatus according to claim 5, wherein the outer wall of the detecting portion is provided with a plurality of heat radiation grooves, and the bottom of the heating base is provided with a plurality of feet.
8. A constant temperature heating apparatus according to claim 1, wherein the heating temperature of the heating base is set to 35 to 95 degrees.
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| CN201710509735 | 2017-06-28 | ||
| CN2017105097350 | 2017-06-28 |
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| CN107260008A CN107260008A (en) | 2017-10-20 |
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| CN201710683117.8A Active CN107260008B (en) | 2017-06-28 | 2017-08-11 | Constant-temperature heating device of coffee hand-brewing kettle and constant-temperature control method thereof |
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| CN201721002225.6U Expired - Fee Related CN208339399U (en) | 2017-06-28 | 2017-08-11 | A kind of coffee hand rushes the constant temperature heating device of pot |
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| CN208339399U (en) * | 2017-06-28 | 2019-01-08 | 广东顺德西简工业设计有限公司 | A kind of coffee hand rushes the constant temperature heating device of pot |
| CN107912978A (en) * | 2017-12-28 | 2018-04-17 | 佛山市顺德区米创智能科技有限公司 | A kind of intelligent electromagnetic heating kettle |
| CN110693318B (en) * | 2019-11-12 | 2024-08-02 | 佛山市顺德区米创智能科技有限公司 | IH all-glass kettle capable of judging cracking of kettle bottom |
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| CN208339399U (en) * | 2017-06-28 | 2019-01-08 | 广东顺德西简工业设计有限公司 | A kind of coffee hand rushes the constant temperature heating device of pot |
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- 2017-08-11 CN CN201721002225.6U patent/CN208339399U/en not_active Expired - Fee Related
- 2017-08-11 CN CN201710683117.8A patent/CN107260008B/en active Active
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| US4008656A (en) * | 1975-10-01 | 1977-02-22 | Farmer Bros. Co. | Brewing apparatus |
| CN101485231A (en) * | 2006-07-06 | 2009-07-15 | Seb公司 | Hob allowing the temperature of a culinary article to be detected |
| CN1900872A (en) * | 2006-07-21 | 2007-01-24 | 韩燕� | Heating container temperature controller and its boiler and stove |
| CN201135358Y (en) * | 2007-08-06 | 2008-10-22 | 白军民 | Electromagentic furnace and water temperature and position monitoring method of kettles |
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|---|---|
| CN208339399U (en) | 2019-01-08 |
| CN107260008A (en) | 2017-10-20 |
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Effective date of registration: 20231225 Address after: No.84 Yuan'an Road, Chengnan, Wuling District, Changde City, Hunan Province Patentee after: Tian Hong Address before: Unit 204, 2nd Floor, Building 22, Tianfulai International Industrial City Phase III, No. 33 Changbao West Road, Ronggui Rongli Neighborhood Committee, Shunde District, Foshan City, Guangdong Province, 528300 Patentee before: GUANGDONG SHUNDE XIJIAN INDUSTRIAL DESIGN CO.,LTD. |