CN105628213B - Food temperature detection method, food heating method and its system of heating device - Google Patents

Food temperature detection method, food heating method and its system of heating device Download PDF

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Publication number
CN105628213B
CN105628213B CN201511021868.0A CN201511021868A CN105628213B CN 105628213 B CN105628213 B CN 105628213B CN 201511021868 A CN201511021868 A CN 201511021868A CN 105628213 B CN105628213 B CN 105628213B
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food
heating
heated
time
temperature
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CN105628213A (en
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远藤实
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electric Ovens (AREA)

Abstract

The present invention proposes food temperature detection method, food heating method and its system of a kind of heating device, the wherein food heating method of heating device, heating device has the turntable for placing food, and turntable is rotated with set cycle T, which includes: the both fixed cycles for obtaining turntable;Heated food is heated, and every the temperature of given time t acquisition heated food, wherein given time t is arranged according to set cycle T;Computer heating control is carried out by the temperature of heated food collected, and to heated food.The temperature detection time of food is set by the swing circle T of turntable, to improve the stability of infrared sensor, and improves the accuracy of detection food temperature.

Description

Food temperature detection method, food heating method and its system of heating device
Technical field
The present invention relates to heating device technical field, in particular to the food temperature detection side of a kind of heating device Method, food heating method and its system.
Background technique
Previous heating device usually utilizes the sensors such as temperature sensor between given time when heat etc. Every or random acquisition food temperature.For example, carrying out temperature detection every 3 seconds or random time section, do not consider that for example heating is cooked The influences of the factors to temperature detection such as the revolving speed of device turntable are adjusted, so that the detection error to food temperature is larger.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of food temperature detection method of heating device, food to heat The accuracy for improving temperature detection may be implemented in method and its system.
On the one hand the embodiment of the present invention provides a kind of food temperature detection method of heating device, the heating is cooked Device has the turntable for placing food, and the turntable is rotated with set cycle T, and the detection method includes obtaining the institute of the turntable State both fixed cycles;Acquire the temperature of the heated food every given time t, wherein the given time t according to it is described both Fixed cycle T setting.
The temperature detection time of food is arranged by the swing circle T of turntable for detection method according to an embodiment of the present invention, To improve the stability of infrared sensor, and improve the accuracy of detection food temperature.
In one embodiment of the invention, the given time t is preferably the set value of 1/3T-2/3T.
In one embodiment of the invention, the given time t is more preferably 1/2T.
On the other hand the embodiment of the present invention provides a kind of food heating method of heating device, the heating device With the turntable for placing food, the turntable is rotated with set cycle T, and the heating means include: to obtain the institute of the turntable State both fixed cycles;Heated food is heated, and to acquire the temperature of the heated food every given time t, In, the given time t is arranged according to the set cycle T;By the temperature of the heated food collected, and to institute It states heated food and carries out computer heating control.
Heating means according to the present invention are by the temperature detection time of the swing circle T setting food of turntable and according to institute The temperature of detection carries out computer heating control, so that the stability of infrared sensor and the accuracy of detection food temperature are improved, into And it can achieve the purpose effectively heated.
It in an embodiment of the present invention, can be the following steps are included: when setting be to the heating of the heated food Firepower coefficient X, the firepower coefficient X indicate the ratio of practical heating time and total time when heating to the heating food Example;The given time t is arranged according to the set cycle T and the firepower coefficient X.
In an embodiment of the present invention, the given time t and the firepower coefficient X are inversely proportional setting.
In one embodiment of the invention, the given time t is preferably the set value of 1/3T-2/3T.
In one embodiment of the invention, the given time t is more preferably 1/2T.
It in an embodiment of the present invention, can be the following steps are included: setting the heating time to the heated food; When the heating time of the heated food being less than both fixed cycles, the heating time of the heated food is bisected into Multiple test points, and detected respectively in the multiple test point, to pass through the temperature of the heated food detected Computer heating control is carried out to the heated food.
The embodiment of the present invention another further aspect provides a kind of food temperature detection system of heating device, and the heating is cooked Adjust device that there is the turntable for placing food, the turntable is rotated with set cycle T, and the detection system includes: acquisition module, is used for Obtain both fixed cycles of the turntable;Detection module acquires the temperature of the heated food every given time t, In, the given time t is arranged according to the set cycle T.
The temperature detection time of food is arranged by the swing circle T of turntable for detection system according to an embodiment of the present invention, To improve the stability of infrared sensor, and improve the accuracy of detection food temperature.
In one embodiment of the invention, the given time t is preferably the set value of 1/3T-2/3T.
In one embodiment of the invention, the given time t is more preferably 1/2T.
The embodiment of the present invention another further aspect provides a kind of food warming system of heating device, the heating device With the turntable for placing food, the turntable is rotated with set cycle T, and the heating system includes: acquisition module, for obtaining Both fixed cycles of the turntable;Detection module, for being heated to heated food, and to be adopted every given time t Collect the temperature of the heated food, wherein the given time t is arranged according to the set cycle T;Control module is used for Computer heating control is carried out by the temperature of the heated food collected, and to the heated food.
Heating system according to the present invention is by the temperature detection time of the swing circle T setting food of turntable and according to institute The temperature of detection carries out computer heating control, so that the stability of infrared sensor and the accuracy of detection food temperature are improved, into And it can achieve the purpose effectively heated.
It in one embodiment of the invention, can also include: setting module, for setting adding for the heated food The hot time;The heating time of the heated food set by the setting module is less than the case where both fixed cycles Under, the heating time of the heated food is bisected into multiple test points, and detected respectively in the multiple test point, To carry out computer heating control to the heated food by the temperature of the heated food detected.
It in one embodiment of the invention, can also include: setting module, for setting to the heated food Firepower coefficient X when heating, the firepower coefficient X expression is to the practical heating time heated when food heats and always The ratio of time, the given time t are arranged according to the set cycle T and the firepower coefficient X.
In one embodiment of the invention, the given time t and the firepower coefficient X are inversely proportional setting
In one embodiment of the invention, the given time t is the set value of 1/3T-2/3T.
In one embodiment of the invention, the given time t is 1/2T.
In one embodiment of the invention, the setting module can be also used for setting and add to the heated food The case where hot time, the heating time of the heated food set by the setting module is less than both fixed cycles Under, the heating time of the heated food is bisected into multiple test points, and detected respectively in the multiple test point, To carry out computer heating control to the heated food by the temperature of the heated food detected.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart according to the food temperature detection method of the heating device of one embodiment of the invention;
Fig. 2 is the curve graph for detecting the temperature of 1 glass, 2 glasss, 3 glasss milk respectively every 1 second;
Fig. 3-Fig. 5 is the curve graph for detecting food temperature for detection cycle with 15 seconds, 5 seconds, 7 seconds respectively;
Fig. 6 is the flow chart according to the food heating method of the heating device of one embodiment of the invention;
Fig. 7 is the block diagram of the food temperature detection system of the heating device of the embodiment of the present invention;
Fig. 8 is the block diagram of the food warming system of the heating device of the embodiment of the present invention;
Fig. 9 is the block diagram of the food warming system of the heating device of another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing The embodiment stated is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Embodiment 1
Fig. 1 is the flow chart according to the food temperature detection method of the heating device of one embodiment of the invention.Such as Fig. 1 Shown, detection method includes the following steps for the food temperature of the heating device of the embodiment of the present invention:
S101 obtains the set cycle T of turntable.
S102, every the temperature of given time t acquisition heated food, wherein given time t is set according to set cycle T It sets.Given time t is preferably the set value of 1/3T-2/3T.It is highly preferred that given time t can be 1/2T.By will be set Time t is the accuracy that 1/2T can be further improved temperature detector survey.
In an embodiment of the present invention, heating device include: for heat the heating room of food, fire door to be opened/closed, The turntable of heating unit, placement food that food is heated.Heating unit is mainly made of magnetron and heat-generating pipe, heating The side of room is provided with the sensor for detecting food temperature.Heating device belong to the prior art at this to its structure not into Row is described in detail.
In an embodiment of the present invention, 1 glass, 2 glasss, the temperature detection of 3 glasss of milk during heating are carried out respectively Following experiment.1 glass, 2 glasss, 3 glasss of milk are put into heating device and are heated respectively, and every 1 second (revolution of turntable Phase be 15 seconds) respectively detect milk temperature obtained curve graph as shown in Figure 2.Fig. 3-Fig. 5 is respectively with 15 seconds, 5 seconds, 7 Second is the curve graph of detection cycle detection food temperature (swing circle of turntable is 15 seconds, i.e. T=15 seconds).In Fig. 2, curve 10a, 10b, 10c be 1 glass respectively, 2 glasss, 3 glasss of temperature curve variation, as can be seen from Figure 2 the output voltage pole of sensor It is unstable.However from the curve graph that detection cycle is 7 seconds (close to the half of turntable swing circle), curve is more steady, can To efficiently reduce the accuracy that error improves detection.
The temperature detection time of food is arranged by the swing circle T of turntable for detection method according to an embodiment of the present invention, To improve the stability of infrared sensor, and improve the accuracy of detection food temperature.
Embodiment 2
Fig. 6 is the flow chart according to the food heating method of the heating device of one embodiment of the invention.Such as Fig. 6 institute Show, the food heating method of heating device of the invention the following steps are included:
S201 obtains the set cycle T of turntable.
S202 heats heated food, and every the temperature of given time t acquisition heated food, wherein Given time t is arranged according to set cycle T.
In one embodiment of the invention, given time t is preferably the set value of 1/3T-2/3T.Given time t is more Preferably 1/2T.By the accuracy that given time t can be further improved to temperature detector survey for 1/2T.
S203 carries out computer heating control by the temperature of heated food collected, and to heated food.
In an embodiment of the present invention, heating device is provided with the button of selection heating time.When user passes through heating When time button sets heating time, first determine whether heating time set by user is less than the swing circle T of turntable.When Heating time set by user be less than turntable swing circle T when, heating time set by user is bisected into it is multiple, and Each time point detects the temperature of food.For example, when heating time set by user is 12 seconds, it can be by heating time It is divided into 4 test points, i.e., 0 second, 3 seconds, 6 seconds, 9 seconds, 12 seconds.Heating control is carried out to food according to the temperature that each test point detects System.
Embodiment 3
In the food heating method of the heating device of another embodiment of the present invention, comprising the following steps:
S201 obtains the set cycle T of turntable.
S302, firepower coefficient X when setting to the heating of heated food, the firepower coefficient X indicate to heating food into The ratio of practical heating time and total time when row heating.
S303 heats heated food, and with every the temperature of given time t acquisition heated food, this was both The t that fixes time is arranged according to set cycle T and firepower coefficient X.
S304 carries out computer heating control by the temperature of heated food collected, and to heated food.
In an embodiment of the present invention, it can according to need and suitably set firepower coefficient X to improve heating efficiency.Work as setting When firepower coefficient X, after given time t is set according to set cycle T, further suitably increased according to firepower coefficient X or Reduce.For example, firepower coefficient X is 0.1, and when total time is 10 minutes, practical heating time for being heated with firepower coefficient 0.1 It is 1 minute.At this point, when carrying out food temperature detection, after according to the swing circle T of turntable, given time t is set, further The given time t that food temperature is detected according to 0.1 appropriate adjustment of firepower coefficient, for example, increasing or decreasing 1 second, 3 seconds etc..
The food heating method of heating device according to an embodiment of the present invention, by setting firepower coefficient, and according to both Fixed cycle T and firepower coefficient X setting setting given time t, to improve the stability and detection food temperature of infrared sensor The accuracy of degree, and then can achieve the purpose effectively heated.
Embodiment 4
Fig. 7 is the block diagram of the food temperature detection system of the heating device of the embodiment of the present invention.As shown in fig. 7, this hair The food temperature detection system 10 of the heating device of bright embodiment includes: to obtain module 11, detection module 12.
In one embodiment of the invention, both fixed cycles that module 11 is used to obtain turntable are obtained.Detection module 12 was every both The temperature of the t that fixes time acquisition heated food, wherein given time t is arranged according to set cycle T.
In one embodiment of the invention, the given time t that detection module 12 is detected is preferably 1/3T-2/3T's Set value, given time t are more preferably 1/2T.By being that 1/2T can be further improved the accurate of temperature detector survey by given time t Property.
In an embodiment of the present invention, the swing circle T that module 11 obtains turntable, the rotation of the present embodiment turntable are obtained Period is 15 seconds, i.e. T=15 seconds.Following reality has been carried out to 1 glass, 2 glasss, the temperature detection of 3 glasss of milk during heating respectively It tests.1 glass, 2 glasss, 3 glasss of milk are put into heating device and are heated respectively, and by detection module 12 every 1 second (turntable Swing circle be 15 seconds) respectively detect milk temperature obtained curve graph as shown in Figure 2.Fig. 3-Fig. 5 is respectively with 15 Second, 5 seconds, 7 seconds detect the curve graph of food temperature for detection cycle.In Fig. 2, curve 10a, 10b, 10c are 1 glass, 2 glasss, 3 respectively The temperature curve variation of cup, as can be seen from Figure 2 the output voltage of sensor is extremely unstable.However from detection cycle be 7 seconds In the curve graph of (close to the half of turntable swing circle), curve is more steady, and error can be effectively reduced and improve detection Accuracy.
The temperature detection time of food is arranged by the swing circle T of turntable for detection system according to an embodiment of the present invention, To improve the stability of infrared sensor, and improve the accuracy of detection food temperature.
Embodiment 5
Fig. 8 is the block diagram of the food warming system of the heating device of the embodiment of the present invention.As shown in figure 8, the present invention is real The food warming system 20 for applying the heating device of example includes: to obtain module 21, detection module 22 and control module 23.
In one embodiment of the invention, module 21 is obtained, both fixed cycles of turntable are obtained.Detection module 22, is treated Heating food is heated, and every the temperature of given time t acquisition heated food, wherein given time t is 1/3T- The set value of 2/3T.Control module 23 carries out heating control by the temperature of heated food collected, and to heated food System.
The temperature detection time and basis of food are arranged by the swing circle T of turntable for heating system according to the present invention Temperature detected carries out computer heating control, so that the stability of infrared sensor and the accuracy of detection food temperature are improved, And then it can achieve the purpose effectively heated.
In an embodiment of the present invention, the given time t that detection module 22 is detected is preferably 1/2T.By will be set Time t is the accuracy that 1/2T can be further improved temperature detector survey.
In an embodiment of the present invention, the food warming system 20 of heating device further includes for setting heated food Heating time setting module, such as heating device be provided with selection heating time button.When user passes through heating Between button (i.e. setting module) setting heating time when, control module 23 judge whether heating time set by user is less than turn The swing circle T of disk.When heating time set by user being less than the swing circle T of turntable, control module 23 will be set by user Fixed heating time is bisected into multiple, and controls detection module 22 and detects at every point of time to the temperature of food.For example, When the heating time that user is set by setting module is 12 second, control module can will be divided into 4 test points, i.e., 0 heating time Second, 3 seconds, 6 seconds, 9 seconds, 12 seconds.Control module 23 adds food in the temperature that each test point detects according to detection module 22 Thermal control.
Embodiment 6
In the food warming system 30 of the heating device of another embodiment of the present invention, comprising: obtain module 31, setting mould Block 32, detection module 33 and control module 34.
In one embodiment of the invention, the set cycle T that module 31 is used to obtain turntable is obtained.Setting module 32 is used Firepower coefficient X when heating of the setting to heated food, the firepower coefficient X indicate reality when heating to heating food The ratio of border heating time and total time.Detection module 33 is used to heat heated food, and every given time t The temperature of heated food is acquired, given time t is arranged according to set cycle T and firepower coefficient X.Control module 34 is for leading to The temperature of heated food collected is crossed, and computer heating control is carried out to heated food.
In an embodiment of the present invention, it can according to need to improve heating efficiency and suitably set firepower coefficient X.When setting When determining firepower coefficient X, after given time t is suitably selected according to set cycle T, further carried out suitably according to firepower coefficient X It increaseds or decreases.For example, being 0.1 by firepower coefficient X set by setting module 32, when total time is 10 minutes, mould is controlled The practical heating time that block 34 is heated with firepower coefficient 0.1 is 1 minute.In this case, detection module 33 is being eaten When product temperature detection, after according to the swing circle T of turntable, given time t is set, further suitably adjusted according to firepower coefficient 0.1 The given time t of whole detection food temperature, for example, increasing or decreasing 1 second, 3 seconds etc..
The food warming system of heating device according to an embodiment of the present invention, by setting firepower coefficient, and according to both Fixed cycle T and firepower coefficient X setting setting given time t, to improve the stability and detection food temperature of infrared sensor The accuracy of degree, and then can achieve the purpose effectively heated.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.

Claims (10)

1. a kind of food heating method of heating device, the heating device has the turntable for placing food, the turntable With the rotation of set cycle T, the heating means include:
Obtain both fixed cycles of the turntable;
The firepower coefficient X when heating to heated food is set, the firepower coefficient X expression adds the heating food The ratio of practical heating time and total time when hot;
Heated food is heated, and to acquire the temperature of the heated food every given time t, wherein described Given time t is arranged according to the set cycle T and the firepower coefficient X;
Computer heating control is carried out by the temperature of the heated food collected, and to the heated food.
2. heating means according to claim 1, it is characterised in that:
The given time t and the firepower coefficient X are inversely proportional setting.
3. heating means according to claim 1, it is characterised in that:
The given time t is the set value of 1/3T-2/3T.
4. heating means according to claim 3, which is characterized in that the given time t is 1/2T.
5. heating means according to claim 1, which is characterized in that further include:
Set the heating time to the heated food;
When the heating time of the heated food being less than both fixed cycles, the heating time of the heated food is put down It is divided into multiple test points, and is detected respectively in the multiple test point, passes through the heated food detected Temperature carries out computer heating control to the heated food.
6. a kind of food warming system of heating device, the heating device has the turntable for placing food, the turntable With the rotation of set cycle T, the heating system includes:
Module is obtained, for obtaining described in the turntable both fixed cycles;
Setting module, for setting the firepower coefficient X when heating to heated food, the firepower coefficient X expression is to described The ratio of practical heating time and total time when heating food is heated;
Detection module, for being heated to heated food, and to acquire the temperature of the heated food every given time t Degree, wherein the given time t is arranged according to the set cycle T and the firepower coefficient X;
Control module is heated for the temperature by the heated food collected, and to the heated food Control.
7. heating system according to claim 6, it is characterised in that:
The given time t and the firepower coefficient X are inversely proportional setting.
8. heating system according to claim 6, it is characterised in that:
The given time t is the set value of 1/3T-2/3T.
9. heating system according to claim 8, which is characterized in that the given time t is 1/2T.
10. heating system according to claim 6, which is characterized in that the setting module be also used to set to it is described to The heating time of food is heated,
It, will in the case that the heating time of the heated food set by the setting module is less than both fixed cycles The heating time of the heated food is bisected into multiple test points, and is detected respectively in the multiple test point, with logical The temperature for crossing the heated food detected carries out computer heating control to the heated food.
CN201511021868.0A 2015-12-29 2015-12-29 Food temperature detection method, food heating method and its system of heating device Active CN105628213B (en)

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