CN110537850A - Heat dissipation control method and device of heating equipment, oven and heat dissipation control system of oven - Google Patents
Heat dissipation control method and device of heating equipment, oven and heat dissipation control system of oven Download PDFInfo
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- CN110537850A CN110537850A CN201910835507.1A CN201910835507A CN110537850A CN 110537850 A CN110537850 A CN 110537850A CN 201910835507 A CN201910835507 A CN 201910835507A CN 110537850 A CN110537850 A CN 110537850A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 258
- 238000010438 heat treatment Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000004458 analytical method Methods 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 15
- 230000005855 radiation Effects 0.000 description 11
- 238000010411 cooking Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005678 Seebeck effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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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
- 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
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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
- 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
- A47J37/0641—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
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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
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
The application relates to a heat dissipation control method and device of heating equipment, an oven and a heat dissipation control system of the oven. And when one of the temperature data meets the preset opening condition, controlling a heat dissipation device in the heating equipment to be opened for heat dissipation, and performing heat dissipation by the current motor rotating speed operation until all the detected temperature data meet the corresponding preset closing condition. Through the scheme, the heating equipment can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the heating equipment, accurate temperature rise control can be realized under different heating modes of the heating equipment, the condition of uneven heat dissipation is avoided, the frequent starting and stopping of the motor of the heat dissipation device can be avoided, and the service life of the motor is effectively prolonged.
Description
Technical Field
The present disclosure relates to the field of electronic control technologies, and in particular, to a heat dissipation control method and device for a heating device, an oven, and a heat dissipation control system thereof.
Background
With the rapid development of science and technology and the continuous improvement of the living standard of people, people have more and more demands on food cooking, and cookers represented by microwave ovens and ovens gradually enter people's lives. The central temperature of food cooked by the oven is usually higher than 200 ℃, although heat insulation structures and heat insulation cotton are arranged among the inner cavity, the shell, the controller component and other electrical elements, the temperature difference between the inside and the outside of the oven is large, and a single heat insulation system cannot provide proper working conditions for electronic components. Therefore, a corresponding heat dissipation device is often required to perform the heat dissipation operation on the oven.
The conventional heat dissipation control method is to control the operation of a motor according to the temperature of an inner cavity of the oven, and the integral heat dissipation operation of the oven is realized in an air cooling mode. However, in different operation modes, the heating pipes of the oven are different, so that the temperature distribution of each position of the oven is uneven, the traditional heat dissipation method easily causes insufficient local heat dissipation, or excessive heat dissipation causes waste of electric energy. Therefore, the conventional heat dissipation control method has a disadvantage of poor heat dissipation reliability.
Disclosure of Invention
Therefore, it is necessary to provide a heat dissipation control method and apparatus for a heating device, an oven and a heat dissipation control system thereof, aiming at the problem of poor heat dissipation reliability of the conventional heat dissipation control method.
A method of controlling heat dissipation in a heating apparatus, the method comprising: acquiring temperature data of different positions of heating equipment, wherein the temperature data are obtained by real-time detection of a thermopile arranged on the heating equipment; when at least one piece of temperature data meets the corresponding preset starting condition, controlling a heat dissipation device of the heating equipment to be started for heat dissipation, and analyzing the temperature data of different positions of the heating equipment in real time; and when at least one temperature data obtained by analysis does not meet the corresponding preset closing condition, controlling the heat dissipation device to maintain the rotating speed of the motor running when the heat dissipation device is started, and returning to the real-time mode to analyze the temperature data of different positions of the heating equipment.
in one embodiment, after the step of acquiring temperature data of different positions of the heating device, the method further includes: and when the temperature data do not meet the corresponding preset starting conditions, returning to the step of acquiring the temperature data of different positions of the heating equipment.
In an embodiment, after the step of controlling the heat dissipation device of the heating device to start to dissipate heat when at least one of the temperature data satisfies the corresponding preset starting condition, and analyzing the temperature data of different positions of the heating device in real time, the method further includes: and when the temperature data obtained by analysis all meet the corresponding preset closing conditions, controlling the heat dissipation device to stop heat dissipation, and returning to the step of obtaining the temperature data of different positions of the heating equipment.
In one embodiment, the preset on condition is that a difference between the temperature data and the corresponding preset temperature threshold is greater than or equal to a corresponding preset on temperature, the preset off condition is that a difference between the temperature data and the corresponding preset temperature threshold is less than or equal to a preset off temperature, and the preset on temperature is greater than the preset off temperature.
In one embodiment, the preset on condition is that the temperature data is greater than or equal to a corresponding preset temperature, and the preset off condition is that the temperature data is less than the corresponding preset temperature.
in one embodiment, the preset on condition is that the temperature data is greater than or equal to the preset temperature data, and the preset off condition is that the temperature data is less than the preset temperature data.
A heat dissipation control apparatus of a heating device, the apparatus comprising: the temperature data acquisition module is used for acquiring temperature data of different positions of the heating equipment, and each temperature data is obtained by real-time detection of a thermopile arranged on the heating equipment; the heat dissipation starting module is used for controlling a heat dissipation device of the heating equipment to be started for heat dissipation when at least one piece of temperature data meets the corresponding preset starting condition, and analyzing the temperature data of different positions of the heating equipment in real time; and the heat dissipation control module is used for controlling the heat dissipation device to maintain the rotating speed of the motor running when the heat dissipation device is started when at least one piece of temperature data obtained by analysis does not meet the corresponding preset closing condition, and returning to analyze the temperature data of different positions of the heating equipment in real time.
A heat dissipation control system for an oven, the system comprising: the device comprises a thermopile, a controller and a heat dissipation device, wherein the thermopile and the heat dissipation device are connected with the controller, the thermopile is used for collecting temperature data of each position of an oven and sending the temperature data to the controller, and the controller is used for carrying out heat dissipation control according to the method.
In one embodiment, the thermopile is a matrix thermopile.
an oven comprises an oven body and the heat dissipation control system.
According to the heat dissipation control method and device of the heating equipment, the oven and the heat dissipation control system of the oven, the thermopile is arranged in the heating equipment, temperature data of different positions of the heating equipment can be collected through the thermopile, and then analysis is carried out according to the temperature data. When one of the temperature data meets the preset opening condition, the heat dissipation device in the heating equipment is controlled to be opened for heat dissipation, the thermopile collects and analyzes the temperature data of different positions of the heating equipment in real time in the process, the heat dissipation device can be kept opened as long as the temperature data of one of the positions does not meet the preset closing condition, the heat dissipation is carried out by the current motor rotating speed operation until all the detected temperature data meet the corresponding preset closing condition. Through the scheme, the heating equipment can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the heating equipment, accurate temperature rise control can be realized under different heating modes of the heating equipment, the condition of uneven heat dissipation is avoided, the service life of each component in the heating equipment is ensured, meanwhile, the motor of the heat dissipation device can be prevented from being started and stopped frequently, and the service life of the motor is prolonged effectively. Compared with the traditional heat dissipation control method, the method has the advantage of high heat dissipation reliability.
Drawings
Fig. 1 is a schematic flow chart illustrating a heat dissipation control method of a heating apparatus according to an embodiment;
FIG. 2 is a schematic diagram of thermopile temperature detection in one embodiment;
FIG. 3 is a flowchart illustrating a method for controlling heat dissipation of a heating apparatus according to an embodiment;
FIG. 4 is a schematic structural diagram of a heat dissipation control device of a heating apparatus according to an embodiment;
Fig. 5 is a schematic structural diagram of a heat dissipation control system of an oven according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, a heat dissipation control method of a heating apparatus includes step S100, step S200, and step S300.
And step S100, acquiring temperature data of different positions of the heating equipment.
Specifically, each temperature data is obtained by real-time detection of a thermopile provided to the heating device. The type of the heating device is not exclusive, and the heating device may be a cooking appliance such as a steam box, an oven or an electric cooker that performs cooking by heating, or a device that performs other functions by using a heating function. In order to facilitate understanding of the embodiments of the present application, the heating device is explained as an oven, and it is to be understood that the oven in the embodiments described below may be replaced by various heating devices. The oven is a sealed electric appliance for baking food or drying products, can cook wheaten food and the like by adopting the oven, is more and more widely used in daily life of people, and brings great convenience to cooking operation of people. The oven heats at its inside heating device of in-process of culinary art, can lead to the heating of each device different degree in the oven, when the temperature that generates heat surpassed certain temperature, will damage each components and parts or produce serious influence to the life of components and parts. Therefore, the oven is generally provided with heat dissipation devices such as a heat dissipation fan and the like to cool the oven, so that the temperature rise of the oven is reduced, and all components in the oven work in a reasonable temperature state. In this embodiment, detect the infrared radiation of oven through the thermopile, obtain the temperature data of different positions in the oven, the surface temperature data of different components and parts in the oven promptly, then combine holistic temperature data to carry out the analysis, carry out heat dissipation control to heat abstractor such as radiator fan, realize the radiating purpose to the oven.
It should be noted that in one embodiment, the thermopile is a matrix infrared thermopile. The matrix infrared thermopile is a temperature data acquisition device based on the Seebeck effect, and because infrared rays are radiated from the surface of any object, the radiation power is increased along with the increase of the surface temperature. After infrared rays radiated by components of an oven of an induction chip (equivalent to a thermocouple) of the thermopile can be converted into voltage signals with different sizes according to the radiation energy, and surface temperature data of the corresponding components can be obtained after further analysis and processing are carried out according to the voltage signals. In the actual working process, the working state and the characteristics of each component in the oven are different, so that the surface temperature data obtained according to the infrared radiation detection are also inconsistent.
Further, referring to fig. 2, the temperature data obtained by collecting the temperature data of different positions of the oven by using the matrix infrared thermopile according to an embodiment is totally 100 temperature data from T0-0 to T9-9, and each temperature data represents a different position point in the oven. It can be understood that in other embodiments, the thermopile may also collect other amounts of temperature data according to the type of the oven, the number of different components in the oven, and the like, as long as it can reasonably represent different temperature changes generated in the operating process of the oven.
And S200, when at least one piece of temperature data meets the corresponding preset starting condition, controlling a heat dissipation device of the heating equipment to be started for heat dissipation, and analyzing the temperature data of different positions of the heating equipment in real time.
Specifically, after the thermopile acquires temperature data to obtain surface temperature data (i.e., temperature data of different positions) of different components in the oven, the controller analyzes each temperature data with a corresponding preset opening condition, and if one of the temperature data meets the preset opening condition corresponding to the temperature data, it indicates that the oven needs to perform heat dissipation operation at the time. At the moment, the controller sends an opening control signal to the heat dissipation device of the oven to control the heat dissipation device to be opened and operated, and the oven is subjected to heat dissipation operation. When the oven begins to carry out the heat dissipation operation, the controller still receives the thermopile and detects the temperature data that obtains in real time to carrying out of oven different positions to each temperature data that obtains detects carries out further analysis, so that in time stop the heat dissipation operation when temperature data reduces to the certain degree, avoid lasting the extravagant electric energy of heat dissipation.
It should be noted that the thermopile collects the surface temperature of each component in the oven when acquiring the temperature data of the oven, and it can be understood that the thermopile is disposed at a position capable of receiving infrared radiation from all components in the oven. In one embodiment, because there is a difference in performance and the like of each component in the oven, the lowest use temperature and the highest use temperature and the like that can be allowed by each corresponding component may also be different. Therefore, the controller stores corresponding preset starting conditions for each temperature data, and after the temperature data are acquired, each temperature data and the corresponding preset starting conditions are compared and analyzed to judge whether each temperature data meets the corresponding preset starting conditions.
In another embodiment, the lowest use temperature and the highest use temperature of each component and the surface temperature which can be reached by each component in the use process of the oven can be combined, the same preset opening condition is set for different temperature data, after the controller receives each temperature data, each temperature data is directly analyzed with the same preset opening condition, as long as one temperature data meets the preset opening condition, the fact that the oven needs to be subjected to heat dissipation operation is indicated, and the control operation of the heat dissipation device of the oven can be achieved through the method.
And step S300, when at least one piece of temperature data obtained through analysis does not meet the corresponding preset closing condition, controlling the heat dissipation device to keep the motor rotating speed running when the heat dissipation device is started. And returning to real time to analyze the temperature data of different positions of the heating equipment.
specifically, when the controller controls the heat dissipation device to be started to perform heat dissipation operation on the oven, the temperature data acquisition operation of the thermopile on the oven is not stopped, and the controller can receive each temperature data sent by the thermopile in real time. At this time, since the heat dissipation device is already in the on heat dissipation state, the controller will determine whether heat dissipation is required to be stopped according to the received temperature data. And analyzing each temperature data obtained after the heat dissipation device is started with the corresponding preset closing condition, and as long as one temperature data does not meet the corresponding preset closing condition, the controller continues to keep the heat dissipation device started and keeps the same motor rotating speed to operate so as to realize the heat dissipation operation of the oven. It should be noted that, for the case that the rotating speed of this type of motor is kept unchanged, the motor suitable for the heat sink is an alternating current motor, and the rotating speed is not adjustable in the operation process. It can be understood that the scheme can also be applied to the fact that the motor of the heat dissipation device is a direct current motor, but the rotating speed of the direct current motor cannot be adjusted in the operation process, and the direct current motor all operate at the same rotating speed.
It can be understood that when the controller controls the heat dissipation device to operate at a stable rotation speed, the controller also receives temperature data of different positions of the oven detected and sent by the thermopile in real time. And analyzing the temperature data of different positions of the oven in real time, judging whether the condition that at least one temperature data does not meet the corresponding preset closing condition still exists, if so, controlling the heat dissipation device to maintain the same motor rotating speed for heat dissipation operation until all the temperature data meet the corresponding preset closing condition.
Further, similar to the preset turn-on condition, in an embodiment, since there is a difference in performance and the like of each component in the oven, the lowest use temperature and the highest use temperature and the like that can be allowed by each corresponding component may also be different. Therefore, the controller stores corresponding preset closing conditions for each temperature data, and after the temperature data are acquired, each temperature data and the corresponding preset closing conditions are compared and analyzed to judge whether each temperature data meets the corresponding preset closing conditions.
in another embodiment, the lowest use temperature and the highest use temperature of each component and the surface temperature that each component can reach during the use of the oven may be combined, the same preset closing condition is set for different temperature data, after the controller receives each temperature data, each temperature data is directly analyzed with the same preset closing condition, and as long as one of the temperature data does not meet the preset closing condition, it indicates that the oven still needs to perform the heat dissipation operation.
In one embodiment, after step S100, the method further comprises: and when the temperature data do not meet the corresponding preset starting conditions, returning to obtain the temperature data of different positions of the heating equipment.
specifically, when the controller performs an operation of determining whether the heat dissipation device needs to be turned on to dissipate heat according to each received temperature data, a situation that each temperature data does not satisfy a preset turn-on condition may occur. At this moment, it is shown that all components in the oven do not reach the requirement of heat dissipation, the corresponding controller does not need to open the heat dissipation device, and only needs to receive and analyze temperature data in real time, so as to respond in time when the temperature changes.
In one embodiment, after step S200, the method further comprises: and when the temperature data obtained by analysis all meet the corresponding preset closing conditions, controlling the heat dissipation device to stop heat dissipation, and returning to obtain the temperature data of different positions of the heating equipment.
Specifically, when the heat dissipation device is turned on to dissipate heat, and the controller continues to analyze the received temperature data and the corresponding preset closing condition, a situation that each temperature data meets the corresponding preset closing condition may occur. At this moment, the surface temperature of each component in the oven is reduced under the heat dissipation operation of the heat dissipation device, the normal working temperature requirement is met, the heat dissipation operation does not need to be continued, and at this moment, the controller sends a closing control signal to the heat dissipation device to control the heat dissipation device to stop running. And after the heat dissipation device stops running, the controller still continuously receives and analyzes the temperature data, analyzes the obtained temperature data and the corresponding preset starting condition, and starts the heat dissipation device again for heat dissipation operation when one temperature data meets the starting condition.
In one embodiment, the preset on condition is that a difference between the temperature data and the corresponding preset temperature threshold is greater than or equal to the corresponding preset on temperature, the preset off condition is that a difference between the temperature data and the corresponding preset temperature threshold is less than or equal to the preset off temperature, and the preset on temperature is greater than the preset off temperature.
Specifically, in this embodiment, each temperature data acquired by the thermopile has corresponding preset temperature data, and when a difference analysis is performed according to the acquired temperature data and a corresponding preset temperature threshold as a determination condition for turning on and a determination condition for turning off, each temperature data has different preset turning-on conditions and preset turning-off conditions. When the analysis is performed, each temperature data needs to be analyzed with the corresponding preset opening condition and the preset closing condition respectively.
For example, referring to fig. 3, in a specific embodiment, the preset turn-on condition is that a difference between the temperature data and the corresponding preset temperature threshold is greater than or equal to a preset turn-on temperature a, and the preset turn-off condition is that a difference between the temperature data and the corresponding preset temperature threshold is less than or equal to a preset turn-off temperature B. Wherein, T (0,0), T (a, b), etc. respectively represent each acquired temperature data, and TF (0,0), TF (a, b), etc. respectively represent a preset temperature threshold corresponding to each temperature data.
In one embodiment, the preset on condition is that the temperature data is greater than or equal to the corresponding preset temperature, and the preset off condition is that the temperature data is less than the corresponding preset temperature.
Specifically, in this embodiment, the working performance of each position (i.e., each component) in the oven is directly analyzed to obtain a critical temperature representing that each component needs to dissipate heat or stop dissipating heat, and when determining whether a preset turn-on condition or a preset turn-off condition is satisfied, the temperature data and the corresponding critical temperature need to be analyzed. When the temperature data is greater than or equal to the corresponding critical temperature, heat dissipation is required, and when all the temperature data are less than the corresponding critical temperature, heat dissipation is not required. Similarly, for different temperature data, the corresponding critical temperatures are inconsistent, that is, the corresponding preset temperatures are inconsistent. It can be understood that, in the scheme of this embodiment, the condition that the preset starting condition is met is that the temperature data is greater than or equal to the corresponding preset temperature, and the condition that the preset starting condition is not met is that the temperature data is less than the corresponding preset temperature; if the preset closing condition is met, the temperature data is smaller than the corresponding preset temperature, and if the preset closing condition is not met, the temperature data is larger than or equal to the corresponding preset temperature.
In one embodiment, the preset on condition is that the temperature data is greater than or equal to the preset temperature data, and the preset off condition is that the temperature data is less than the preset temperature data.
Specifically, in this embodiment, it is further possible that when analyzing the temperature data, all the temperature data are analyzed at a critical temperature, which is similar to the above embodiments in principle that the temperature data are respectively analyzed at the corresponding preset temperatures, and the difference is that the preset temperatures corresponding to the temperature data are the same value, that is, the preset temperature data Tc. The corresponding temperature numbers meet the preset starting condition that all the temperature data are greater than or equal to the preset temperature data Tc, and do not meet the preset starting condition that all the temperature data are less than the preset temperature data Tc; when the temperature data meet the preset closing condition, the temperature data are smaller than the preset temperature data Tc, and when the temperature data do not meet the preset closing condition, the temperature data are larger than or equal to the preset temperature data Tc.
According to the heat dissipation control method of the heating equipment, the thermopile is arranged in the heating equipment, temperature data of different positions of the heating equipment can be collected through the thermopile, and then analysis is carried out according to the temperature data. When one of the temperature data meets the preset opening condition, the heat dissipation device in the heating equipment is controlled to be opened for heat dissipation, the thermopile collects and analyzes the temperature data of different positions of the heating equipment in real time in the process, the heat dissipation device can be kept opened as long as the temperature data of one of the positions does not meet the preset closing condition, the heat dissipation is carried out by the current motor rotating speed operation until all the detected temperature data meet the corresponding preset closing condition. Through the scheme, the heating equipment can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the heating equipment, accurate temperature rise control can be realized under different heating modes of the heating equipment, the condition of uneven heat dissipation is avoided, the service life of each component in the heating equipment is ensured, meanwhile, the motor of the heat dissipation device can be prevented from being started and stopped frequently, and the service life of the motor is prolonged effectively. Compared with the traditional heat dissipation control method, the method has the advantage of strong heat dissipation reliability
Referring to fig. 4, a heat dissipation control device of a heating apparatus includes a temperature data acquisition module 100, a heat dissipation start module 200, and a heat dissipation control module 300.
The temperature data acquisition module 100 is used for acquiring temperature data of different positions of the heating device.
Specifically, each temperature data is obtained by real-time detection of a thermopile provided to the heating device. The type of the heating device is not exclusive, and the heating device may be a cooking appliance such as a steam box, an oven or an electric cooker that performs cooking by heating, or a device that performs other functions by using a heating function. In order to facilitate understanding of the embodiments of the present application, the heating device is explained as an oven, and it is to be understood that the oven in the embodiments described below may be replaced by various heating devices. The oven is a sealed electric appliance for baking food or drying products, can cook wheaten food and the like by adopting the oven, is more and more widely used in daily life of people, and brings great convenience to cooking operation of people. The oven heats at its inside heating device of in-process of culinary art, can lead to the heating of each device different degree in the oven, when the temperature that generates heat surpassed certain temperature, will damage each components and parts or produce serious influence to the life of components and parts. Therefore, the oven is generally provided with heat dissipation devices such as a heat dissipation fan and the like to cool the oven, so that the temperature rise of the oven is reduced, and all components in the oven work in a reasonable temperature state. In this embodiment, detect the infrared radiation of oven through the thermopile, obtain the temperature data of different positions in the oven, the surface temperature data of different components and parts in the oven promptly, then combine holistic temperature data to carry out the analysis, carry out heat dissipation control to heat abstractor such as radiator fan, realize the radiating purpose to the oven.
The heat dissipation starting module 200 is configured to control a heat dissipation device of the heating device to start for heat dissipation when at least one temperature data satisfies a corresponding preset starting condition, and analyze temperature data of different positions of the heating device in real time.
Specifically, after the thermopile acquires temperature data to obtain surface temperature data (i.e., temperature data of different positions) of different components in the oven, the controller analyzes each temperature data with a corresponding preset opening condition, and if one of the temperature data meets the preset opening condition corresponding to the temperature data, it indicates that the oven needs to perform heat dissipation operation at the time. At the moment, the controller sends an opening control signal to the heat dissipation device of the oven to control the heat dissipation device to be opened and operated, and the oven is subjected to heat dissipation operation. When the oven begins to carry out the heat dissipation operation, the controller still receives the thermopile and detects the temperature data that obtains in real time to carrying out of oven different positions to each temperature data that obtains detects carries out further analysis, so that in time stop the heat dissipation operation when temperature data reduces to the certain degree, avoid lasting the extravagant electric energy of heat dissipation.
The heat dissipation control module 300 is configured to control the heat dissipation device to maintain the operation of the rotating speed of the motor when the at least one temperature data does not meet the corresponding preset closing condition, and return to real-time analysis of the temperature data of different positions of the heating device.
Specifically, when the controller controls the heat dissipation device to be started to perform heat dissipation operation on the oven, the temperature data acquisition operation of the thermopile on the oven is not stopped, and the controller can receive each temperature data sent by the thermopile in real time. At this time, since the heat dissipation device is already in the on heat dissipation state, the controller will determine whether heat dissipation is required to be stopped according to the received temperature data. And analyzing each temperature data obtained after the heat dissipation device is started with the corresponding preset closing condition, and as long as one temperature data does not meet the corresponding preset closing condition, the controller continues to keep the heat dissipation device started and keeps the same motor rotating speed to operate so as to realize the heat dissipation operation of the oven. It should be noted that, for the case that the rotating speed of this type of motor is kept unchanged, the motor suitable for the heat sink is an alternating current motor, and the rotating speed is not adjustable in the operation process. It can be understood that the scheme can also be applied to the fact that the motor of the heat dissipation device is a direct current motor, but the rotating speed of the direct current motor cannot be adjusted in the operation process, and the direct current motor all operate at the same rotating speed.
in an embodiment, the heat dissipation starting module 200 is further configured to return to obtain the temperature data of different positions of the heating device when each temperature data does not meet the corresponding preset starting condition. The specific operation is similar to the embodiment corresponding to the above method, and is not described herein again.
In an embodiment, the heat dissipation adjustment module 300 is further configured to control the heat dissipation device to stop heat dissipation and return to obtain temperature data of different positions of the heating apparatus when each of the analyzed temperature data meets the corresponding preset closing condition. The specific operation is similar to the embodiment corresponding to the above method, and is not described herein again.
The heat dissipation control device of the heating equipment is provided with the thermopile in the heating equipment, temperature data of different positions of the heating equipment can be collected through the thermopile, and then analysis is carried out according to the temperature data. When one of the temperature data meets the preset opening condition, the heat dissipation device in the heating equipment is controlled to be opened for heat dissipation, the thermopile collects and analyzes the temperature data of different positions of the heating equipment in real time in the process, the heat dissipation device can be kept opened as long as the temperature data of one of the positions does not meet the preset closing condition, the heat dissipation is carried out by the current motor rotating speed operation until all the detected temperature data meet the corresponding preset closing condition. Through the scheme, the heating equipment can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the heating equipment, accurate temperature rise control can be realized under different heating modes of the heating equipment, the condition of uneven heat dissipation is avoided, the service life of each component in the heating equipment is ensured, meanwhile, the motor of the heat dissipation device can be prevented from being started and stopped frequently, and the service life of the motor is prolonged effectively. Compared with the traditional heat dissipation control method, the method has the advantage of strong heat dissipation reliability
Referring to fig. 5, a heat dissipation control system of an oven includes: the oven comprises a thermopile 10, a controller 20 and a heat dissipation device 30, wherein the thermopile 10 and the heat dissipation device 30 are both connected with the controller 20, the thermopile 10 is used for collecting temperature data of various positions of the oven and sending the temperature data to the controller 20, and the controller 20 is used for carrying out heat dissipation control according to the method.
Specifically, the controller 20 obtains temperature data of different positions of the oven; then, when at least one temperature data meets the corresponding preset starting condition, controlling the heat dissipation device 30 of the oven to be started for heat dissipation, and analyzing the temperature data of different positions of the oven in real time; and when at least one temperature data obtained by analysis does not meet the corresponding preset closing condition, controlling the heat dissipation device 30 to maintain the rotating speed of the motor running when the heat dissipation device is started, and returning to the real-time analysis of the temperature data of different positions of the oven.
each temperature data is detected in real time by the thermopile 10 provided in the oven. The oven is a sealed electric appliance for baking food or drying products, can cook wheaten food and the like by adopting the oven, is more and more widely used in daily life of people, and brings great convenience to cooking operation of people. The oven heats at its inside heating device of in-process of culinary art, can lead to the heating of each device different degree in the oven, when the temperature that generates heat surpassed certain temperature, will damage each components and parts or produce serious influence to the life of components and parts. Therefore, the oven is generally provided with the heat dissipation device 30 such as the heat dissipation fan to cool the oven, so as to reduce the temperature rise of the oven, and enable each component in the oven to work in a reasonable temperature state. In this embodiment, the infrared radiation of the oven is detected by the thermopile 10, so as to obtain temperature data of different positions in the oven, that is, surface temperature data of different components in the oven, and then the data is analyzed by combining the overall temperature data, so as to perform heat dissipation control on the heat dissipation devices 30 such as the heat dissipation fan, and achieve the purpose of heat dissipation of the oven.
After the thermopile 10 acquires temperature data to obtain surface temperature data (i.e., temperature data of different positions) of different components in the oven, the controller 20 analyzes each temperature data with a corresponding preset opening condition, and if one of the temperature data satisfies the preset opening condition corresponding to the temperature data, it indicates that the oven needs to perform a heat dissipation operation. At this time, the controller 20 sends an on control signal to the heat dissipation device 30 of the oven, so as to control the heat dissipation device 30 to be turned on and operated, thereby performing a heat dissipation operation on the oven. When the oven starts to perform the heat dissipation operation, the controller 20 still receives the temperature data obtained by detecting different positions of the oven by the thermopile 10 in real time, and further analyzes each detected temperature data, so that the heat dissipation operation is stopped in time when the temperature data is reduced to a certain degree, and the waste of electric energy due to continuous heat dissipation is avoided.
When the controller 20 controls the heat dissipation device 30 to start the heat dissipation operation on the oven, the temperature data acquisition operation of the thermopile 10 on the oven does not stop, and the controller can receive each temperature data sent by the thermopile 10 in real time. At this time, since the heat dissipation device 30 is already in the on heat dissipation state, the controller 20 determines whether heat dissipation needs to be stopped according to the received temperature data. Each temperature data obtained after the heat dissipation device 30 is turned on is analyzed with the corresponding preset turn-off condition, and as long as one of the temperature data does not satisfy the corresponding preset turn-off condition, the controller 20 continues to turn on the heat dissipation device 30 while maintaining the heat dissipation device 30 to operate at the current rotation speed. So as to realize the heat dissipation operation of the oven. It should be noted that, for the case that the rotating speed of this type of motor is kept unchanged, the motor suitable for the heat sink 30 is an ac motor, and the rotating speed is not adjustable during the operation. It can be understood that the solution can also be applied to a case where the motor of the heat dissipation device 30 is a dc motor, but the rotation speed of the dc motor is not adjusted during the operation process, and the dc motor operate at the same rotation speed.
in one embodiment, the thermopile is a matrix thermopile.
Specifically, the matrix infrared thermopile is a temperature data acquisition device based on the seebeck effect, and since the surface of any object radiates infrared rays, the radiation power increases with the increase of the surface temperature. After infrared rays radiated by components of an oven of an induction chip (equivalent to a thermocouple) of the thermopile 10 are converted into voltage signals with different sizes according to the amount of radiation energy, and surface temperature data of the corresponding components can be obtained after further analysis and processing are performed according to the voltage signals. In the actual working process, the working state and the characteristics of each component in the oven are different, so that the surface temperature data obtained according to the infrared radiation detection are also inconsistent.
Further, referring to fig. 2, the temperature data obtained by collecting the temperature data of different positions of the oven by using the matrix infrared thermopile according to an embodiment is totally 100 temperature data from T0-0 to T9-9, and each temperature data represents a different position point in the oven. It is understood that in other embodiments, the thermopile 10 may also collect other amounts of temperature data according to the type of the oven, the number of different components in the oven, and the like, as long as it can reasonably indicate different temperature changes generated during the operation of the oven.
The heat dissipation control system of the oven is provided with the thermopiles in the oven, and can acquire temperature data of different positions of the oven through the thermopiles and analyze the temperature data according to the temperature data. When one of the temperature data meets the preset opening condition, the heat dissipation device in the oven is controlled to be opened to dissipate heat, the thermoelectric cell collects and analyzes the temperature data of different positions of the oven in real time in the process, the heat dissipation device can be kept opened as long as the temperature data of one of the positions does not meet the preset closing condition, the heat dissipation is carried out by the current motor rotating speed operation, and the temperature data obtained by detection meet the corresponding preset closing condition. Through the scheme, the oven can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the oven, accurate temperature rise control can be realized by the oven under different heating modes, the condition of uneven heat dissipation is avoided, the service life of each component in the oven is ensured, the motor of the heat dissipation device can be prevented from being started and stopped frequently, and the service life of the motor is prolonged effectively. Compared with the traditional heat dissipation control method, the method has the advantage of strong heat dissipation reliability
An oven comprises an oven body and the heat dissipation control system.
specifically, the structure of the heat dissipation system is shown in fig. 5, the oven is a sealed electric appliance for baking food or drying products, wheaten food and the like can be cooked by the oven, the oven is more and more widely used in daily life of people, and great convenience is brought to cooking operation of people. The oven heats at its inside heating device of in-process of culinary art, can lead to the heating of each device different degree in the oven, when the temperature that generates heat surpassed certain temperature, will damage each components and parts or produce serious influence to the life of components and parts. Therefore, the oven is generally provided with the heat dissipation device 30 such as the heat dissipation fan to cool the oven, so as to reduce the temperature rise of the oven, and enable each component in the oven to work in a reasonable temperature state. In this embodiment, the infrared radiation of the oven is detected by the thermopile 10, so as to obtain temperature data of different positions in the oven, that is, surface temperature data of different components in the oven, and then the data is analyzed by combining the overall temperature data, so as to perform heat dissipation control on the heat dissipation devices 30 such as the heat dissipation fan, and achieve the purpose of heat dissipation of the oven.
After the thermopile 10 acquires temperature data to obtain surface temperature data (i.e., temperature data of different positions) of different components in the oven, the controller 20 analyzes each temperature data with a corresponding preset opening condition, and if one of the temperature data satisfies the preset opening condition corresponding to the temperature data, it indicates that the oven needs to perform a heat dissipation operation. At this time, the controller 20 sends an on control signal to the heat dissipation device 30 of the oven, so as to control the heat dissipation device 30 to be turned on and operated, thereby performing a heat dissipation operation on the oven. When the oven starts to perform the heat dissipation operation, the controller 20 still receives the temperature data obtained by detecting different positions of the oven by the thermopile 10 in real time, and further analyzes each detected temperature data, so that the heat dissipation operation is stopped in time when the temperature data is reduced to a certain degree, and the waste of electric energy due to continuous heat dissipation is avoided.
When the controller 20 controls the heat dissipation device 30 to start the heat dissipation operation on the oven, the temperature data acquisition operation of the thermopile 10 on the oven does not stop, and the controller can receive each temperature data sent by the thermopile 10 in real time. At this time, since the heat dissipation device 30 is already in the on heat dissipation state, the controller 20 determines whether heat dissipation needs to be stopped according to the received temperature data. Each temperature data obtained after the heat dissipation device 30 is turned on is analyzed with the corresponding preset turn-off condition, and as long as one of the temperature data does not satisfy the corresponding preset turn-off condition, the controller 20 continues to turn on the heat dissipation device 30 while maintaining the heat dissipation device 30 to operate at the current rotation speed. So as to realize the heat dissipation operation of the oven. It should be noted that, for the case that the rotating speed of this type of motor is kept unchanged, the motor suitable for the heat sink 30 is an ac motor, and the rotating speed is not adjustable during the operation. It can be understood that the solution can also be applied to a case where the motor of the heat dissipation device 30 is a dc motor, but the rotation speed of the dc motor is not adjusted during the operation process, and the dc motor operate at the same rotation speed.
Above-mentioned oven is provided with the thermopile in the oven, can gather the temperature data of the oven different positions through the thermopile, then carries out the analysis according to each temperature data. When one of the temperature data meets the preset opening condition, the heat dissipation device in the oven is controlled to be opened to dissipate heat, the thermoelectric cell collects and analyzes the temperature data of different positions of the oven in real time in the process, the heat dissipation device can be kept opened as long as the temperature data of one of the positions does not meet the preset closing condition, the heat dissipation is carried out by the current motor rotating speed operation, and the temperature data obtained by detection meet the corresponding preset closing condition. Through the scheme, the oven can be comprehensively subjected to heat dissipation control operation according to the temperature data of each position inside the oven, accurate temperature rise control can be realized by the oven under different heating modes, the condition of uneven heat dissipation is avoided, the service life of each component in the oven is ensured, the motor of the heat dissipation device can be prevented from being started and stopped frequently, and the service life of the motor is prolonged effectively. Compared with the traditional heat dissipation control method, the method has the advantage of strong heat dissipation reliability
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
the above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of controlling heat dissipation in a heating apparatus, the method comprising:
Acquiring temperature data of different positions of heating equipment, wherein the temperature data are obtained by real-time detection of a thermopile arranged on the heating equipment;
When at least one piece of temperature data meets the corresponding preset starting condition, controlling a heat dissipation device of the heating equipment to be started for heat dissipation, and analyzing the temperature data of different positions of the heating equipment in real time;
and when at least one temperature data obtained by analysis does not meet the corresponding preset closing condition, controlling the heat dissipation device to maintain the rotating speed of the motor running when the heat dissipation device is started, and returning to the real-time mode to analyze the temperature data of different positions of the heating equipment.
2. The heat dissipation control method of claim 1, wherein the step of obtaining temperature data of different locations of the heating device is followed by further comprising:
And when the temperature data do not meet the corresponding preset starting conditions, returning to the step of acquiring the temperature data of different positions of the heating equipment.
3. The heat dissipation control method according to claim 1, wherein after the step of controlling the heat dissipation device of the heating device to start for heat dissipation and analyzing the temperature data of different positions of the heating device in real time when at least one of the temperature data satisfies the corresponding preset start condition, the method further comprises:
And when the temperature data obtained by analysis all meet the corresponding preset closing conditions, controlling the heat dissipation device to stop heat dissipation, and returning to the step of obtaining the temperature data of different positions of the heating equipment.
4. The heat dissipation control method according to any one of claims 1 to 3, wherein the preset on condition is that a difference between the temperature data and a corresponding preset temperature threshold is greater than or equal to a corresponding preset on temperature, the preset off condition is that a difference between the temperature data and a corresponding preset temperature threshold is less than or equal to a preset off temperature, and the preset on temperature is greater than the preset off temperature.
5. The heat dissipation control method according to any one of claims 1 to 3, wherein the preset on condition is that the temperature data is greater than or equal to a corresponding preset temperature, and the preset off condition is that the temperature data is less than the corresponding preset temperature.
6. The heat dissipation control method according to any one of claims 1 to 3, wherein the preset on condition is that the temperature data is greater than or equal to preset temperature data, and the preset off condition is that the temperature data is less than the preset temperature data.
7. A heat dissipation control device of a heating apparatus, characterized in that the device comprises:
The temperature data acquisition module is used for acquiring temperature data of different positions of the heating equipment, and each temperature data is obtained by real-time detection of a thermopile arranged on the heating equipment;
The heat dissipation starting module is used for controlling a heat dissipation device of the heating equipment to be started for heat dissipation when at least one piece of temperature data meets the corresponding preset starting condition, and analyzing the temperature data of different positions of the heating equipment in real time;
And the heat dissipation control module is used for controlling the heat dissipation device to maintain the rotating speed of the motor running when the heat dissipation device is started when at least one piece of temperature data obtained by analysis does not meet the corresponding preset closing condition, and returning to analyze the temperature data of different positions of the heating equipment in real time.
8. A heat dissipation control system for an oven, the system comprising: the thermoelectric module comprises a thermopile, a controller and a heat dissipation device, wherein the thermopile and the heat dissipation device are both connected with the controller,
The thermopile is used for collecting temperature data of various positions of the oven and sending the temperature data to the controller, and the controller is used for heat dissipation control according to the method of any one of claims 1-6.
9. The thermal dissipation control system of claim 8, wherein the thermopile is a matrix thermopile.
10. an oven comprising an oven body and the heat dissipation control system of any of claims 8-9.
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