CN113907616A

CN113907616A - Temperature detection device, control method, device, cooking device, and storage medium

Info

Publication number: CN113907616A
Application number: CN202111138955.XA
Authority: CN
Inventors: 杜海波; 彭淑方; 孙裕文
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-11
Anticipated expiration: 2041-09-27
Also published as: CN113907616B

Abstract

The invention provides a temperature detection device, a control method, a device, a cooking device and a storage medium. Wherein, temperature-detecting device includes: a temperature sensing member; the temperature-sensitive color-changing part is arranged on the temperature-sensitive piece and can change color along with the temperature change of the temperature-sensitive piece; the image acquisition device is used for acquiring an image of the temperature-sensitive color-changing part; and the processing device is connected with the image acquisition device and used for acquiring the color information of the temperature-sensitive color-changing part in the image and determining the first temperature value of the object to be detected according to the color information. The passive temperature measuring probe is arranged in the cooking cavity, the probe image in the cavity is collected through the image collecting device, and then the color information of the temperature sensing color changing part in the image is analyzed to realize the detection of the temperature of the object to be detected. Because no electronic element is arranged in the temperature sensing element and the temperature sensing color changing part, the temperature sensing element can adapt to the high-temperature and high-humidity environment in the cooking cavity, and can be washed and cleaned.

Description

Temperature detection device, control method, device, cooking device, and storage medium

Technical Field

The invention belongs to the technical field of temperature measurement, and particularly relates to a temperature detection device, a control method, a device, a cooking device and a storage medium.

Background

In the cooking equipment, the maturity degree of the food material is judged according to the temperature and the time of the food material. The food temperature detection mode commonly used by the existing cooking equipment is an infrared temperature measurement mode, a temperature probe temperature measurement mode and other modes, wherein electronic devices are arranged, and the food temperature detection device is difficult to stably operate in a high-temperature environment.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

To this end, a first aspect of the invention proposes a temperature detection device.

A second aspect of the present invention proposes a control method of a temperature detection device.

A third aspect of the invention provides a control device for a temperature detection device.

A fourth aspect of the present invention provides a temperature detection device.

A fifth aspect of the invention provides a temperature detection apparatus.

A sixth aspect of the present invention provides a cooking apparatus.

A seventh aspect of the invention proposes a readable storage medium.

In view of this, according to a first aspect of the present invention, there is provided a temperature detection apparatus comprising: a temperature sensing member; the temperature-sensitive color-changing part is arranged on the temperature-sensitive piece and can change color along with the temperature change of the temperature-sensitive piece; the image acquisition device is used for acquiring an image of the temperature-sensitive color-changing part; and the processing device is connected with the image acquisition device and used for acquiring the color information of the temperature-sensitive color-changing part in the image and determining the first temperature value of the object to be detected according to the color information.

The invention provides a temperature detection device which comprises a temperature sensing piece, a temperature sensing color changing part, an image acquisition device and a processing device. The temperature detection device is used for collecting the temperature of the object to be detected in the operation process of the cooking device. The temperature sensing part of the temperature detection device is used for directly contacting with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing part, and the temperature sensing color change part can sense the temperature conducted through the temperature sensing part, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires an image with the temperature-sensitive color-changing part through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part in the image and determines the temperature of the object to be detected according to the color information.

Temperature-sensing piece and the temperature sensing part that discolours of temperature-detecting device constitute passive wireless temperature probe, because do not set up electronic device in this temperature probe, also need not supply power to it, can be applicable to the higher and higher operational environment of humidity of temperature, in temperature-detecting device use, can set up the temperature probe that temperature-sensing piece and temperature sensing part of discolouring constitute in the culinary art cavity. The image acquisition device acquires the image with the temperature-sensitive color-changing part, the processing device can process and analyze the image, and the temperature of the object to be detected is determined according to the color change of the temperature-sensitive color-changing part in the image, so that the acquisition of the temperature of the object to be detected can be completed without arranging the image acquisition device with the electronic element and the processing device in a cooking cavity with higher temperature.

The temperature detection device is provided with the passive temperature measurement probe comprising the temperature sensing element and the temperature sensing color change part, the passive temperature measurement probe is arranged in the cooking cavity, the image acquisition device arranged outside the cooking cavity is used for acquiring the probe image in the cavity, and then the color information of the temperature sensing color change part in the image is analyzed to realize the detection of the temperature of the object to be detected. Because no electronic element is arranged in the temperature sensing element and the temperature sensing color changing part, the temperature sensing element and the temperature sensing color changing part can adapt to the high-temperature and high-humidity environment in the cooking cavity and can be cleaned by water washing.

Specifically, the temperature detection device is arranged in the oven, the temperature sensing element and the temperature sensing color changing part in the temperature detection device form a temperature sensing probe, and the temperature sensing probe is inserted into the food material. An image acquisition device and a processing device in the temperature detection device are arranged outside the cooking cavity, a camera of the image acquisition device corresponds to the cavity, and an image acquired by the image acquisition device through the camera is provided with a food material image and a temperature-sensitive color-changing part image. The processing device identifies and analyzes the color information of the temperature sensing color changing part in the image, so as to determine the temperature value of the food material. After cooking is finished, the temperature probe is taken out of the cooking cavity and can be cleaned.

In addition, according to the temperature detection device in the above technical solution provided by the present invention, the following additional technical features may be further provided:

in one possible design, the material of the thermochromic portion includes one thermochromic material or a plurality of thermochromic materials, wherein the color change temperature of each thermochromic material in the plurality of thermochromic materials is different.

In the design, the material of the temperature-sensitive color-changing part comprises a plurality of temperature-sensitive color-changing materials, and the temperature-sensitive color-changing materials are selected from temperature-sensitive materials, specifically comprising inorganic temperature-sensitive color-changing materials and organic color-changing materials.

In one possible design, the number of the temperature-sensitive color-changing portions is multiple, and the temperature-sensitive color-changing portions are distributed at intervals along the axial direction of the temperature-sensitive element.

In this design, a plurality of temperature-sensitive color-changing portions are provided on the temperature-sensitive element, and the temperature-sensitive color-changing portions are provided at intervals. When the temperature detection device is used, one end of the temperature sensing element is in contact with an object to be detected, so that the temperatures of different positions in the axial direction of the temperature sensing element are different. The temperature sensing color-changing part is arranged along the axial direction of the temperature sensing part, namely, the temperature sensing color-changing part can change color in response to the temperatures of different positions in the axial direction of the temperature sensing part, the temperature of different positions of the temperature sensing part can be determined by analyzing the color information of a plurality of temperature sensing color-changing parts in the collected image, and the first temperature value of the object to be detected can be determined according to the temperatures of different positions.

The temperature sensing discoloring parts are arranged in a plurality of numbers and are arranged on the outer surface of the temperature sensing piece at intervals, so that the temperature sensing discoloring parts can collect and detect the temperatures of different positions of the temperature sensing piece, and the accuracy of temperature detection of an object to be detected is improved. And the proportion of the temperature-sensitive color-changing part in the image is larger, so that the image is ensured to contain enough color information of the temperature-sensitive color-changing part, and the accuracy of temperature detection of the object to be detected is further improved.

The processor identifies the color information of each temperature-sensitive color-changing part in the image, thereby determining a second temperature value of each temperature-sensitive color-changing part at a corresponding position of the temperature-sensitive element, namely identifying a plurality of second temperature values at different positions of the temperature-sensitive element in the axial direction. And calculating according to the set heat conduction coefficient, the plurality of second temperature values and the positions where the plurality of second temperature values are located, so that the first temperature value of the object to be detected can be determined.

The set heat conduction coefficient is related to materials of the temperature-sensitive color-changing part and the temperature-sensitive piece, the set heat conduction coefficient is stored in a local storage area of the temperature detection device before the temperature detection device leaves a factory, and the set heat conduction coefficient can be directly called to be calculated in the running process of the temperature detection device.

It can be understood that, in the process of using the temperature detection device, one end of the temperature sensing element is directly inserted into the food material, the temperature sensing color change part presents different colors according to the temperature conducted by the temperature sensing element, and the heat has the condition of temperature loss or aggregation in the conduction process, so that the first temperature value of the object to be detected is calculated by setting a heat conduction coefficient, and the detection accuracy of the first temperature value of the object to be detected can be improved.

In one possible design, the material of each of the thermochromic portions includes a plurality of thermochromic materials, and the thermochromic materials in each of the thermochromic portions are the same in kind.

In this design, the thermochromic materials used in each of the plurality of thermochromic portions are the same in kind, that is, the plurality of thermochromic portions are all the same color at the same temperature. Each temperature-sensing color-changing part is positioned at different positions on the axial direction of the temperature-sensing piece, and because the temperature at different positions of the temperature-sensing piece is different due to the loss of heat in the conduction process, each temperature-sensing color-changing part is in different colors. Each temperature-sensing color-changing part comprises a plurality of temperature-sensing color-changing materials, so that the temperature range detected by the temperature-sensing color-changing part is wider.

Through obtaining by the temperature sensing color change material mixture of multiple difference with every temperature sensing color change portion, make every temperature sensing color change portion homoenergetic change the colour at great temperature variation within range, different temperature sensing color change material is different colours, has realized that temperature sensing color change portion can change colour between multiple different colours, has improved the accuracy of confirming corresponding position temperature according to the colour. And the types of the temperature sensing color-changing materials in each temperature sensing color-changing part are set to be the same, so that the second temperature values of different positions on the temperature sensing element can be determined according to the color information of the temperature sensing color-changing parts at different positions.

In a possible design, the material of each temperature-sensitive color-changing portion includes a temperature-sensitive color-changing material, and the temperature-sensitive color-changing material corresponding to each temperature-sensitive color-changing portion is different.

In the design, each temperature-sensitive color-changing part in the temperature-sensitive color-changing parts only comprises one temperature-sensitive color-changing material, and different temperature-sensitive color-changing materials are selected for the temperature-sensitive color-changing parts, so that the color of each temperature-sensitive color-changing part changes in different temperature ranges, and the possibility of misidentification of the color information of the temperature-sensitive color-changing parts in the image is reduced.

Specifically, the materials corresponding to the temperature-sensitive color-changing parts are set to be materials 1, 2 and 3 …, each different material corresponds to different color-changing temperature intervals, in the process of collecting and identifying the color of the temperature-sensitive color-changing part in the image, the temperature interval where the first temperature value of the object to be detected is located can be quickly identified according to the color-changing conditions of the different temperature-sensitive color-changing parts, and the first temperature value of the object to be detected is determined according to the color-changing degree of the temperature-sensitive color-changing part.

It should be noted that, in any of the above possible designs, the color information includes the color of the thermochromic portion, and/or the color difference between the thermochromic portion and another reference object. Before the temperature detection device leaves a factory, a temperature recognition model is trained according to color information, temperature values and material types of the temperature-sensitive color-changing portion, the temperature recognition model is configured in the processing device, after the processing device collects images through the image collection device, the images are input into the temperature recognition model, and a first temperature value of an object to be detected can be obtained.

In one possible design, the reference piece is arranged on the temperature sensing piece and is adjacent to the temperature-sensing color-changing part; the processing device acquires color information of a temperature-sensitive color-changing part in an image, and comprises: the method comprises the steps of obtaining a first color of a temperature-sensitive color-changing part in an image and a second color of a reference piece, and determining color information according to the color difference between the first color and the second color.

In the design, the temperature sensing element also comprises a reference element, the reference element is made of a material with high stability, and the color of the reference element is guaranteed to be kept unchanged under the condition of temperature change. The reference piece and the temperature-sensitive color-changing part are arranged adjacently, so that the distance between the reference piece and the temperature-sensitive color-changing part in the image is short, the color between the temperature-sensitive color-changing part and the reference piece is convenient to compare, and the color information of the temperature-sensitive color-changing part can be obtained according to the color difference between the temperature-sensitive color-changing part and the reference piece, so that the accuracy of the first temperature value is improved.

In particular, the reference piece may be selected as a ceramic material. The ceramic material has the characteristic of high temperature resistance, and the discoloration can not occur in a high-temperature environment.

And in the process of identifying the image, the processing device determines a first color and a second color corresponding to the reference piece and the temperature-sensitive color-changing part, can determine the color difference between the reference piece and the temperature-sensitive color-changing part according to the first color and the second color, and obtains the color information corresponding to the temperature-sensitive color-changing part according to the color difference. The color information is obtained according to the color difference, and the accuracy of determining the first temperature value of the object to be detected according to the color information is improved.

In one possible design, the temperature detection device further comprises a protective layer. The protective layer is sleeved on the temperature sensing element and covers the temperature sensing color changing part and the reference element.

In this design, temperature-detecting device still includes the protective layer, and the protective layer cover is established at the lateral wall of temperature-sensing piece, and the protective layer can shelter from discolour portion and reference piece. The temperature-sensitive color-changing part and the reference piece are prevented from being worn in the taking and placing process. Under the operating mode that the temperature sensing piece inserted into the edible material, can also prevent that temperature sensing discoloring part and reference piece from droing, improved the food security of culinary art thing.

In one possible design, the temperature sensing member includes: temperature measurement portion and heat conduction portion. At least one temperature measurement portion is used for being in contact with the object to be detected, the heat conduction portion is connected with the temperature measurement portion, and the temperature sensing color change portion is installed on the heat conduction portion.

In this design, the temperature sensing element includes a temperature measuring portion and a heat conducting portion. The temperature measuring part and the heat conducting part are both cylindrical, and the diameter of the temperature measuring part is smaller than that of the heat conducting part. Temperature-detecting device is in the use, inserts the inside of waiting to detect the thing with temperature measurement portion, and temperature measurement portion can be with the temperature that detects to the position of temperature sensing portion that discolours through heat conduction portion conduction, and temperature sensing portion that discolours is different colours according to the temperature variation of heat conduction portion.

It can be understood that the number of the temperature measuring parts can be selected to be a plurality, and the plurality of the temperature measuring parts are arranged at different positions of the heat conducting part.

In a possible design, the number of the temperature-sensing color-changing parts is multiple, and the multiple temperature-sensing color-changing parts are distributed at intervals at one end of the heat conducting part, which is far away from the temperature measuring part contacted with the object to be detected.

In the design, the number of the temperature measuring parts is multiple, and at least one temperature measuring part is used for contacting with an object to be detected so as to detect the temperature of the object to be detected. The temperature measuring part in contact with the object to be detected is arranged at the first end of the heat conducting part. The quantity of temperature sensing portion of discolouing is a plurality of, and a plurality of temperature sensing portion of discolouing interval distribution are on the heat-conducting part, and are located the heat-conducting part and keep away from the second end with the temperature measurement portion that waits to detect the thing and want the contact. When the temperature measuring part is inserted into the food material to measure the temperature, the heat is conducted from the first end to the second end of the heat conducting part, and the temperature sensing color changing part arranged at the second end of the heat conducting part can be different colors according to different temperatures.

According to a second aspect of the present invention, there is provided a control method of a temperature detection device, the temperature detection device including: the temperature sensing part is arranged on the temperature sensing part, the temperature sensing part can change color along with the temperature change of the temperature sensing part, and the control method comprises the following steps: acquiring an image comprising a temperature-sensitive color-changing part through an image acquisition device; acquiring color information of a temperature-sensitive color-changing part in an image; and determining a first temperature value of the object to be detected according to the color information.

The control method of the temperature detection device provided by the invention is used for the temperature detection device, and the temperature detection device comprises a temperature sensing piece, a temperature sensing color change part, an image acquisition device and a processing device. The temperature detection device is used for collecting the temperature of the object to be detected in the operation process of the cooking device. The temperature sensing part of the temperature detection device is used for directly contacting with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing part, and the temperature sensing color change part can sense the temperature conducted through the temperature sensing part, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires an image with the temperature-sensitive color-changing part through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part in the image and determines the temperature of the object to be detected according to the color information.

In addition, according to the control method of the temperature detection device in the above technical solution provided by the present invention, the following additional technical features may be further provided:

in one possible design, the number of the temperature-sensitive discoloring parts is at least two, and the first temperature value of the object to be detected is determined according to the color information, and the method comprises the following steps: determining a second temperature value of the position of each temperature-sensitive color-changing part according to the color information of each temperature-sensitive color-changing part in the image; acquiring a set heat conduction coefficient; and determining a first temperature value of the object to be detected according to the heat conduction coefficient and the second temperature value.

In one possible design, determining the second temperature value of the position where each temperature-sensitive color-changing portion is located according to the color information of each temperature-sensitive color-changing portion in the image includes: acquiring a set curve, wherein the set curve is a change curve of color information and temperature value; and determining a second temperature value of the position of the temperature-sensitive color-changing part according to the set curve and the color information.

In this design, a variation curve, i.e., a set curve, of color information versus temperature values is obtained. And searching a corresponding second temperature value in the set curve according to the color information of each temperature-sensitive color-changing part, wherein the searched second temperature value is the second temperature value of the position of the temperature-sensitive color-changing part.

In one possible design, the temperature detection device further includes a second temperature sensor, and the second temperature sensor is used for acquiring a fourth temperature value of the temperature-sensitive color-changing portion.

In the design, the acquired fourth temperature value is compared with the second temperature value, and the set curve is corrected according to the comparison result.

It can be understood that, the temperature-sensitive color-changing part may have a temperature-sensitive color-changing effect to change in the long-time use process, and the fourth temperature value of the temperature-sensitive color-changing part collected by the second temperature sensor corrects the set curve, so that the accuracy of the first temperature value of the object to be detected, which is determined by the color information of the temperature-sensitive color-changing part, of the subsequent temperature detection device can be ensured.

In a possible design, the temperature detecting device further includes a reference member, the reference member is installed on the temperature sensing member, the reference member is disposed adjacent to the temperature-sensitive color-changing portion, and the color information of the temperature-sensitive color-changing portion in the image is acquired, including: acquiring a first color of a temperature-sensitive color-changing part in an image and a second color of a reference piece; color information is determined based on a color difference between the first color and the second color.

In the design, the temperature sensing element also comprises a reference element, the reference element is made of a material with high stability, and the color of the reference element is ensured not to change along with the change of temperature. The reference piece and the temperature-sensitive color-changing part are arranged adjacently, so that the distance between the reference piece and the temperature-sensitive color-changing part in the image is short, the color between the temperature-sensitive color-changing part and the reference piece is convenient to compare, and the color information of the temperature-sensitive color-changing part can be obtained according to the color difference between the temperature-sensitive color-changing part and the reference piece, so that the accuracy of the first temperature value is improved.

It should be noted that the control method for the temperature detection device in any of the possible designs of the second aspect of the present invention can be used to control the temperature detection device in any of the possible designs of the first aspect of the present invention.

According to a third aspect of the present invention, there is provided a control device for a temperature detection device, the temperature detection device including: temperature sensing piece, temperature sensing portion of discolouing and image acquisition device, temperature sensing portion of discolouing installs in the temperature sensing piece, and temperature sensing portion of discolouing can change colour along with the temperature change of temperature sensing piece, and controlling means includes: the acquisition unit is used for acquiring an image comprising the temperature-sensitive color-changing part through the image acquisition device; an acquisition unit configured to acquire color information of a thermochromic portion in an image; and the determining unit is used for determining the first temperature value of the object to be detected according to the color information.

The control device of the temperature detection device provided by the invention is used for the temperature detection device, and the temperature detection device comprises a temperature sensing piece, a temperature sensing color change part, an image acquisition device and a processing device. The temperature detection device is used for collecting the temperature of the object to be detected in the operation process of the cooking device. The temperature sensing part of the temperature detection device is used for directly contacting with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing part, and the temperature sensing color change part can sense the temperature conducted through the temperature sensing part, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires an image with the temperature-sensitive color-changing part through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part in the image and determines the temperature of the object to be detected according to the color information.

According to a fourth aspect of the present invention, there is provided a temperature detection apparatus comprising: the control device of the temperature detection device as defined in the third aspect has all the beneficial technical effects of the control device of the temperature detection device in the third aspect, and therefore, redundant description is not repeated herein.

According to a fifth aspect of the present invention, there is provided a temperature detection apparatus comprising: a memory having a program or instructions stored therein; the processor, which executes the program or the instructions stored in the memory to implement the steps of the method for controlling the temperature detecting device in any one of the possible designs of the second aspect, thus having all the beneficial technical effects of the method for controlling the temperature detecting device in the second aspect, and not being described in detail herein.

According to a sixth aspect of the present invention, there is provided a cooking apparatus comprising: the cooking device comprises a shell, a cooking cavity and a control device, wherein the shell is internally provided with the cooking cavity which is used for containing food materials; a temperature sensing device as described in any one of the possible designs of the first aspect.

The invention provides a cooking device which comprises a shell, a cooking cavity and a temperature detection device. The culinary art chamber sets up inside the casing, places the culinary art intracavity with eating the material, and cooking device operation can heat the culinary art to eating the material.

The temperature detection device is selected as any one of the temperature detection devices that may be designed in the first aspect, so that the temperature detection device has all the advantages of any one of the temperature detection devices that may be designed, and will not be described in detail herein.

Temperature-detecting device is in the use, inside inserting the edible material in culinary art chamber with the temperature sensing piece, temperature-detecting device's image acquisition device and processing apparatus all set up outside the culinary art chamber, and image acquisition device can directly gather the image of the temperature sensing piece in the culinary art intracavity and temperature sensing color-changing portion, can confirm the first temperature value of waiting to detect the thing according to the colour information of temperature sensing color-changing portion in the image.

In addition, according to the cooking device in the above technical solution provided by the present invention, the following additional technical features may be further provided:

in one possible design, the cooking appliance further comprises: and the first temperature sensor is used for acquiring a third temperature value in the cooking cavity.

In the design, the cooking device further comprises a first temperature sensor, a temperature measuring point of the first temperature sensor is arranged in the cooking cavity, and a third temperature value acquired by the first temperature sensor is an in-cavity temperature value.

In a possible design, the cooking device further comprises a support frame, and the support frame is used for placing a temperature sensing element in the temperature detection device.

According to a seventh aspect of the present invention, a readable storage medium is provided, on which a program or instructions are stored, which when executed by a processor implement the steps of the control method of the temperature detection apparatus as in any one of the possible designs of the second aspect. Therefore, all the advantageous technical effects of the control method of the temperature detection device in any possible design of the second aspect are achieved, and no redundant description is provided herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows one of the structural schematic diagrams of a temperature detection device in a first embodiment of the present invention;

FIG. 2 is a second schematic structural view of a temperature detection device according to a first embodiment of the present invention;

FIG. 3 is a third schematic view showing the structure of a temperature detecting device according to the first embodiment of the present invention;

FIG. 4 is one of schematic flowcharts showing a control method of the temperature detection means in the second embodiment of the invention;

FIG. 5 is a second schematic flow chart of a method for controlling the temperature detection device according to the second embodiment of the present invention;

FIG. 6 is a third schematic flow chart of a method for controlling the temperature detection means in the second embodiment of the present invention;

FIG. 7 is a fourth schematic flowchart of a control method of the temperature detection device in the second embodiment of the invention;

fig. 8 is a block diagram showing the configuration of a control device of the temperature detection device in the third embodiment of the present invention;

FIG. 9 is a block diagram showing a temperature detection device in a fourth embodiment of the present invention;

fig. 10 shows a block diagram of a temperature detection device in a fifth embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1, fig. 2 and fig. 3 is:

100 temperature detection device, 102 temperature sensing element, 1022 temperature measuring part, 1024 heat conducting part, 104 temperature sensing color changing part, 106 reference element and 108 protective layer.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A temperature detection apparatus, a control method of a temperature detection apparatus, a control apparatus of a temperature detection apparatus, and a readable storage medium according to some embodiments of the present invention are described below with reference to fig. 1 to 10.

The first embodiment is as follows:

as shown in fig. 1, a first embodiment of the present invention provides a temperature detection apparatus 100, including: a temperature sensing element 102, an image acquisition device sensing, a temperature sensing color changing part 104 and a processing device.

Wherein, the temperature-sensitive color-changing part 104 is arranged on the temperature-sensitive element 102, and the temperature-sensitive color-changing part 104 can change color according to the temperature change of the temperature-sensitive element 102;

the image acquisition device can acquire images, and the images comprise a temperature-sensitive color-changing part 104;

the image acquisition device is connected to the processing device, and the processing device is used for obtaining the color information of the temperature-sensitive color-changing part 104 in the image, and carrying out identification analysis on the color information so as to determine the first temperature value of the object to be detected.

The embodiment provides a temperature detection device 100 which comprises a temperature sensing element 102, an image acquisition device, a temperature sensing color-changing part 104 and a processing device. The temperature detection device 100 can collect the temperature of the object to be detected during the operation of the cooking apparatus. The temperature sensing element 102 of the temperature detection device 100 directly contacts with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing element 102, and the temperature sensing color changing part 104 can sense the temperature conducted through the temperature sensing element 102, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires the image with the temperature-sensitive color-changing part 104 through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part 104 in the image and determines the temperature of the object to be detected according to the color information.

The temperature sensing part 102 and the temperature sensing color-changing part 104 of the temperature detection device 100 form a passive wireless temperature measurement probe, and because no electronic device is arranged in the temperature measurement probe, the temperature measurement probe does not need to be powered, so that the temperature measurement probe can be suitable for a working environment with higher temperature and higher humidity, and in the use process of the temperature detection device 100, the temperature measurement probe formed by the temperature sensing part 102 and the temperature sensing color-changing part 104 can be arranged in a cooking cavity. The image acquisition device acquires the image with the temperature-sensitive color-changing part 104, the processing device can process and analyze the image, and the first temperature value is obtained according to the color change of the temperature-sensitive color-changing part 104 in the image, so that the acquisition of the temperature of the object to be detected can be completed without arranging the image acquisition device with the electronic element and the processing device in a cooking cavity with higher temperature.

The temperature detection device 100 is provided with a passive temperature measurement probe comprising a temperature sensing element 102 and a temperature sensing color change part 104, the passive temperature measurement probe is arranged in a cavity of the cooking device, an image acquisition device arranged outside the cooking cavity is used for acquiring probe images in the cavity, and color information of the temperature sensing color change part 104 in the images is analyzed to realize the detection of the temperature of an object to be detected. Since no electronic element is arranged in the temperature-sensitive element 102 and the temperature-sensitive discoloring part 104, the temperature-sensitive element can adapt to the high-temperature and high-humidity environment in the cooking cavity, and can be cleaned by washing with water.

Specifically, the temperature detection device 100 is disposed in an oven, and the temperature sensitive color changing part 104 and the temperature sensitive element 102 in the temperature detection device 100 constitute a temperature measuring probe, which is inserted into the food material. The image acquisition device and the processing device in the temperature detection device 100 are arranged outside the cooking cavity, the camera of the image acquisition device corresponds to the cavity, and the image acquired by the image acquisition device through the camera is provided with the food material image and the temperature-sensitive color-changing part 104 image. The processing device identifies and analyzes the color information of the thermochromic portion 104 in the image, thereby determining the temperature value of the food material. After cooking is finished, the temperature probe is taken out of the cooking cavity and can be cleaned.

In any of the above embodiments, the material of the thermochromic portion 104 includes one thermochromic material or a plurality of thermochromic materials, wherein the color change temperature of each thermochromic material in the plurality of thermochromic materials is different.

In this embodiment, the thermochromic part 104 includes a plurality of thermochromic materials, and the thermochromic materials are selected from temperature-sensitive materials, specifically including inorganic thermochromic materials and organic thermochromic materials.

In some embodiments, the thermochromic portion 104 includes one of a plurality of thermochromic materials. The thermochromic portion 104 includes only one thermochromic material.

In other embodiments, the thermochromic part 104 includes a plurality of different thermochromic materials, i.e., the thermochromic materials are mixed and then disposed in the thermochromic part 104. Wherein, the color-changing temperature of different temperature-sensitive color-changing materials is different, so that the temperature-sensitive color-changing part 104 can be in different colors at different temperatures.

In any of the above embodiments, the number of the temperature sensitive color changing parts 104 is at least two, and the temperature sensitive color changing parts 104 are spaced apart from each other in the axial direction of the temperature sensitive element 102.

In this embodiment, a plurality of temperature sensitive color changing parts 104 are provided on the temperature sensing element 102, and the temperature sensitive color changing parts 104 are provided at intervals. When the temperature detection device 100 is in use, one end of the temperature sensing element 102 is in contact with an object to be detected, and therefore, temperatures at different positions in the axial direction of the temperature sensing element 102 are different. The temperature-sensitive color-changing part 104 is arranged along the axial direction of the temperature-sensitive element 102, namely, the temperature-sensitive color-changing part 104 can change color in response to the temperatures of different positions in the axial direction of the temperature-sensitive element 102, the temperatures of different positions of the temperature-sensitive element 102 can be determined by analyzing the color information of the temperature-sensitive color-changing parts 104 in the collected image, and a first temperature value can be obtained according to the temperatures of different positions.

The temperature sensing discoloring parts 104 are arranged in a plurality and are arranged on the outer surface of the temperature sensing part 102 at intervals, so that the temperature sensing discoloring parts 104 can collect and detect the temperatures of different positions of the temperature sensing part 102, and the accuracy of temperature detection of an object to be detected is improved. And the proportion of the temperature-sensitive color-changing part 104 in the image is larger, so that the image comprises enough color information of the temperature-sensitive color-changing part 104, and the accuracy of detecting the temperature of the object to be detected is further improved.

The processor identifies the color information of each temperature-sensitive color-changing portion 104 in the image, thereby determining a second temperature value of each temperature-sensitive color-changing portion 104 at a corresponding position of the temperature-sensitive element 102, i.e., identifying a plurality of second temperature values at different positions of the temperature-sensitive element 102 in the axial direction. And calculating according to the set heat conduction coefficient, the plurality of second temperature values and the positions of the plurality of second temperature values to obtain a first temperature value, wherein the first temperature value corresponds to the object to be detected.

The set thermal conductivity is related to the materials of the temperature-sensitive color-changing part 104 and the temperature-sensitive element 102, and the set thermal conductivity is stored in a local storage area of the temperature detection device 100 before the temperature detection device 100 leaves a factory, so that the set thermal conductivity can be directly called to calculate in the operation process of the temperature detection device 100.

It can be understood that, in the process of using the temperature detecting device 100, one end of the temperature sensing element 102 is directly inserted into the food material, and the temperature-sensitive color-changing portion 104 presents different colors according to the temperature conducted by the temperature sensing element 102, and the heat is lost or gathered in the conduction process, so that the first temperature value of the object to be detected is calculated by setting the heat conduction coefficient, and the detection accuracy of the first temperature value of the object to be detected can be improved.

In any of the above embodiments, the material of each temperature sensitive color changing part 104 includes a plurality of temperature sensitive color changing materials, and the temperature sensitive color changing materials in each temperature sensitive color changing part 104 are the same in kind.

In this embodiment, the thermochromic materials used for each thermochromic portion 104 in the materials of the plurality of thermochromic portions 104 are the same in kind, that is, the plurality of thermochromic portions 104 are all the same in color at the same temperature. Each thermochromic part 104 is located at a different position in the axial direction of the temperature sensing element 102, and because the temperature at the different positions of the temperature sensing element 102 is different due to the loss of heat during the conduction process, each thermochromic part 104 is in a different color. Each temperature-sensitive color-changing part 104 comprises a plurality of temperature-sensitive color-changing materials, so that the temperature range detected by the temperature-sensitive color-changing part 104 is wider.

Each temperature-sensitive color-changing part 104 is obtained by mixing multiple different temperature-sensitive color-changing materials, so that each temperature-sensitive color-changing part 104 can change color within a large temperature change range, the different temperature-sensitive color-changing materials are different colors, the temperature-sensitive color-changing parts 104 can change color among multiple different colors, and the accuracy of determining the corresponding position temperature according to the color is improved. By also setting the type of the thermochromic material in each thermochromic portion 104 to be the same type, it is possible to determine the second temperature values at different positions on the temperature-sensitive element 102 from the color information of the thermochromic portions 104 at different positions.

In any of the above embodiments, the material of each thermochromic portion 104 includes a thermochromic material, and the thermochromic material corresponding to each thermochromic portion 104 is different.

In this embodiment, the material of each of the plurality of temperature-sensitive color-changing portions 104 includes only one temperature-sensitive color-changing material, and the plurality of temperature-sensitive color-changing portions 104 are made of different temperature-sensitive color-changing materials, so that the color of each of the temperature-sensitive color-changing portions 104 changes in different temperature ranges, thereby reducing the possibility of misidentification of the color information of the temperature-sensitive color-changing portion 104 in the image.

Specifically, the materials corresponding to the temperature-sensitive discoloring parts 104 are set as material 1, material 2, material 3 …, each different material corresponds to a different discolored temperature range, in the process of collecting and identifying the color of the temperature-sensitive discoloring part 104 in the image, the temperature range where the first temperature value of the object to be detected is located can be quickly identified according to the discoloring condition of the different temperature-sensitive discoloring parts 104, the first temperature value is obtained according to the discoloring degree of the temperature-sensitive discoloring part 104, and the first temperature value corresponds to the object to be detected.

Table 1 shows the color changes corresponding to different thermochromic materials and the corresponding relationship between the temperature ranges of the different thermochromic materials.

TABLE 1

Thermochromic material	Color change	Color change temperature
			Material 1	Red-white	26-28
Material 2	Green-white	40
			Material 3	Pink-orange	45-47
Material 4	Dark blue-white	55-60
			Material 5	Yellow-red	75
Material 6	Green-yellow	110
			Material 7	Red-blue color	137

It should be noted that in any of the above possible designs, the color information includes the color of the thermochromic portion 104, and/or the color difference between the thermochromic portion 104 and other reference objects. Before the temperature detection device 100 leaves the factory, a temperature recognition model is trained according to the color information, the temperature value and the material type of the temperature-sensitive color-changing portion 104, the temperature recognition model is configured in the processing device, and after the processing device collects an image through the image collection device, the image is input into the temperature recognition model, so that the first temperature value of the object to be detected can be obtained.

As shown in fig. 2, in any of the above embodiments, the temperature detection device 100 further includes a reference member 106.

The reference material 106 is attached to the temperature sensing material 102, and the reference material 106 is provided adjacent to the temperature sensitive color changing part 104.

The processing device acquires color information of the thermochromic part 104 in an image, and comprises:

the first color and the second color in the image are obtained, the color difference between the first color and the second color is obtained, and the color information is determined, wherein the first color is the color of the temperature-sensitive color-changing part 104, and the second color is the color of the reference member 106.

In this embodiment, the temperature sensing element 102 further includes a reference element 106, and the reference element 106 is made of a material with high stability, so as to ensure that the color of the reference element 106 remains unchanged under the condition of temperature change. The reference piece 106 and the temperature-sensitive color-changing part 104 are arranged adjacently, so that the distance between the reference piece 106 and the temperature-sensitive color-changing part 104 in the image is short, the comparison of the colors between the temperature-sensitive color-changing part 104 and the reference piece 106 is facilitated, the color information of the temperature-sensitive color-changing part 104 can be obtained according to the color difference between the temperature-sensitive color-changing part 104 and the reference piece 106, and the accuracy of the first temperature value is improved.

Specifically, the reference member 106 may be selected to be a ceramic material. The ceramic material has the characteristic of high temperature resistance, and the discoloration can not occur in a high-temperature environment.

In the process of identifying the image, the processing device determines a first color and a second color corresponding to the reference piece 106 and the temperature-sensitive color-changing part 104, can determine the color difference between the reference piece 106 and the temperature-sensitive color-changing part 104 according to the first color and the second color, and obtains the color information corresponding to the temperature-sensitive color-changing part 104 according to the color difference. The color information is obtained according to the color difference, and the accuracy of the first temperature value obtained according to the color information is improved.

As shown in fig. 3, in any of the above embodiments, the temperature detection apparatus 100 further includes a protection layer 108.

The protection layer 108 is disposed on the temperature-sensing element 102, and the protection layer 108 covers the temperature-sensing color-changing part 104 and the reference element 106.

In this embodiment, the temperature detecting device 100 further includes a protective layer 108, the protective layer 108 is disposed on an outer sidewall of the temperature sensing element 102, and the protective layer 108 can shield the color changing portion and the reference element 106. The temperature sensitive color changing part 104 and the reference piece 106 are prevented from being worn during the taking and placing process. Under the working condition that the temperature sensing element 102 is inserted into the food material, the temperature sensing color changing part 104 and the reference element 106 can be prevented from falling off, and the food safety of the cooked object is improved.

In some embodiments, the protective layer 108 is selected to be a glass material. The glass material has higher stability, can not be influenced by the temperature to produce the colour change to the printing opacity of glass material is effectual, has guaranteed the accuracy of the colour information of temperature sensing color change portion 104 in the image that image acquisition device gathered, thereby has improved the accuracy of the first temperature value of waiting to detect the thing.

As shown in fig. 2, in any of the above embodiments, the temperature sensing member 102 includes a temperature measuring part 1022 and a heat conducting part 1024.

At least one temperature measuring part 1022 is used for contacting with an object to be detected, the heat conducting part 1024 is connected with the temperature measuring part 1022, and the temperature sensing color changing part 104 is installed on the heat conducting part 1024.

In this embodiment, the temperature sensing member 102 includes a temperature measuring part 1022 and a heat conducting part 1024. The temperature measuring part 1022 and the heat conductive part 1024 are both cylindrical, and the diameter of the temperature measuring part 1022 is set smaller than that of the heat conductive part 1024. In the use process of the temperature detection device 100, the temperature measurement part 1022 is inserted into the object to be detected, the temperature measurement part 1022 can conduct the detected temperature to the position of the temperature-sensitive color-changing part 104 through the heat conduction part 1024, and the temperature-sensitive color-changing part 104 is in different colors according to the temperature change of the heat conduction part 1024.

It is understood that the number of the temperature measuring parts 1022 may be selected to be plural, and the plurality of temperature measuring parts 1022 are provided at different positions of the heat conductive part.

In some embodiments, the temperature measuring parts 1022 are two in number, and the temperature measuring parts 1022 for contacting the object to be detected are arranged in a columnar structure for being inserted into the food material to measure the temperature of the food material.

In any of the above embodiments, the number of the temperature-sensitive color-changing portions 104 is multiple, and the multiple temperature-sensitive color-changing portions 104 are distributed at intervals at one end of the heat-conducting portion 1024 away from the temperature measuring portion 1022 contacting with the object to be detected.

In this embodiment, the temperature measuring portion 1022 is plural in number, and at least one temperature measuring portion 1022 is used for contacting with the object to be detected to detect the temperature of the object to be detected. A temperature measuring portion 1022 which is in contact with the object to be detected is provided at a first end of the heat conductive portion 1024. The number of the temperature-sensitive color-changing portions 104 is multiple, and the multiple temperature-sensitive color-changing portions 104 are distributed on the heat conduction portion 1024 at intervals and are located at the second end of the heat conduction portion 1024, which is far away from the temperature measurement portion 1022 which is in contact with the object to be detected. When the temperature measuring part 1022 is inserted into the food material to measure the temperature, the heat is conducted from the first end to the second end of the heat conducting part 1024, and the temperature sensing color changing part 104 arranged at the second end of the heat conducting part 1024 can be different in color according to different temperatures.

In some embodiments, the size of heat conduction part 1024 is longer, keeps away from the second end of eating the material with a plurality of temperature sensing discoloring part 104 settings in heat conduction part 1024, and a plurality of temperature sensing discoloring part 104 intervals set up, can make a plurality of temperature sensing discoloring part 104 detect cooking device's intracavity temperature value, and temperature sensing discoloring part 104 can be different colours according to cooking device's intracavity ambient temperature value change promptly, has realized the detection to cooking device intracavity ambient temperature value.

Example two:

as shown in fig. 1 and 2, a second embodiment of the present invention provides a temperature detection apparatus 100 including: a temperature sensing element 102, a temperature sensing color changing part 104, an image acquisition device and a processing device.

Wherein, the temperature-sensitive color-changing part 104 is mounted on the temperature-sensitive element 102, and the temperature-sensitive color-changing part 104 can change color with the temperature change of the temperature-sensitive element 102;

the image acquisition device is used for acquiring the image of the temperature-sensitive color-changing part 104.

As shown in fig. 4, the control method of the temperature detection device includes:

step 402, collecting an image through an image collecting device, wherein the image comprises a temperature-sensitive color-changing part;

step 404, acquiring color information of the temperature-sensitive color-changing part in the image;

and 406, identifying and analyzing the color information to obtain a first temperature value of the object to be detected.

The control method of the temperature detection device provided by the embodiment is used for the temperature detection device, and the temperature detection device comprises a temperature sensing element, a temperature sensing color change part, an image acquisition device and a processing device. The temperature detection device is used for collecting the temperature of the object to be detected in the operation process of the cooking device. The temperature sensing part of the temperature detection device is used for directly contacting with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing part, and the temperature sensing color change part can sense the temperature conducted through the temperature sensing part, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires an image with the temperature-sensitive color-changing part through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part in the image and determines the temperature of the object to be detected according to the color information.

Temperature-sensing piece and the temperature sensing part that discolours of temperature-detecting device constitute passive wireless temperature probe, because do not set up electronic device in this temperature probe, also need not supply power to it, can be applicable to the higher and higher operational environment of humidity of temperature, in temperature-detecting device use, can set up the temperature probe that temperature-sensing piece and temperature sensing part of discolouring constitute in the culinary art cavity. The image acquisition device can process and analyze the image by acquiring the image with the temperature-sensitive color-changing part, and the first temperature value is obtained according to the color change of the temperature-sensitive color-changing part in the image, so that the acquisition of the temperature of the object to be detected can be completed without the need of arranging the image acquisition device with an electronic element in a cooking cavity with higher temperature.

The passive temperature probe comprising the temperature sensing piece and the temperature sensing color change part is designed in the temperature detection device, the passive temperature probe is arranged in the cooking cavity, the probe image in the cavity is collected through the image collection device arranged outside the cooking cavity, and then the color information of the temperature sensing color change part in the image is analyzed to realize the detection of the temperature of the object to be detected. Because no electronic element is arranged in the temperature sensing element and the temperature sensing color changing part, the temperature sensing element and the temperature sensing color changing part can adapt to the high-temperature and high-humidity environment in the cooking cavity and can be cleaned by water washing.

Specifically, the temperature detection device is arranged in the oven, the temperature sensing element and the temperature sensing color changing part in the temperature detection device form a temperature sensing probe, and the temperature sensing probe is inserted into the food material. The temperature detection device comprises an image acquisition device and a temperature-sensitive color-changing part, wherein the image acquisition device is arranged outside the cooking cavity, a camera of the image acquisition device corresponds to the cavity, and an image of the food material and an image of the temperature-sensitive color-changing part are contained in an image acquired by the image acquisition device through the camera. The temperature value of the food material is determined by identifying and analyzing the color information of the temperature sensing color changing part in the image. After cooking is finished, the temperature probe is taken out of the cooking cavity and can be cleaned.

As shown in fig. 1, in any of the above embodiments, the temperature detection device 100 includes at least two temperature-sensitive color-changing portions 104.

As shown in fig. 5, the identifying and analyzing the color information to obtain a first temperature value of the object to be detected includes:

step 502, acquiring color information of each temperature-sensitive color-changing part in an image;

step 504, determining a second temperature value of the position of each temperature-sensitive color-changing part according to each color information;

step 506, obtaining a set heat conduction coefficient;

and step 508, determining a first temperature value according to the second temperature value and the set heat conduction coefficient.

In this embodiment, a plurality of temperature sensitive color changing portions are provided on the temperature sensing element, and the temperature sensitive color changing portions are provided at intervals. When the temperature detection device is used, one end of the temperature sensing element is in contact with an object to be detected, so that the temperatures of different positions in the axial direction of the temperature sensing element are different. The temperature sensing color-changing part is arranged along the axial direction of the temperature sensing part, namely, the temperature sensing color-changing part can change color in response to the temperatures of different positions in the axial direction of the temperature sensing part, the color information of a plurality of temperature sensing color-changing parts in the collected image is analyzed, the temperatures of different positions of the temperature sensing part can be determined, a first temperature value can be obtained according to the temperatures of different positions, and the first temperature value corresponds to the object to be detected.

And identifying the color information of each temperature-sensitive color-changing part in the image so as to determine a second temperature value of each temperature-sensitive color-changing part at a position corresponding to the temperature-sensitive element, namely identifying a plurality of second temperature values at different positions of the temperature-sensitive element in the axial direction. And calculating according to the set heat conduction coefficient, the plurality of second temperature values and the positions where the plurality of second temperature values are located to obtain a first temperature value, wherein the first temperature value corresponds to the object to be detected.

As shown in fig. 6, in any of the above embodiments, determining the second temperature value of the position where each temperature-sensitive color-changing portion is located according to each color information includes:

step 602, acquiring a set curve;

step 604, searching for a second temperature value in the set curve according to the color information.

Wherein, the set curve is a change curve of the color information and the temperature value.

In this embodiment, a variation curve, i.e., a set curve, of color information versus temperature value is obtained. And searching a corresponding second temperature value in the set curve according to the color information of each temperature-sensitive color-changing part, wherein the searched second temperature value is the second temperature value of the position of the temperature-sensitive color-changing part.

In any of the above embodiments, the temperature detection device further includes a second temperature sensor, and the second temperature sensor is configured to acquire a fourth temperature value of the temperature-sensitive color-changing portion.

In this embodiment, the collected fourth temperature value is compared with the second temperature value, and the setting curve is corrected according to the comparison result.

As shown in fig. 2, in one possible design, the temperature detection device 100 further includes a reference member 106, the reference member 106 is mounted on the temperature sensing member 102, and the reference member 106 is disposed adjacent to the temperature sensitive color changing part 104.

As shown in fig. 7, acquiring color information of the thermochromic part in the image includes:

step 702, acquiring a first color and a second color, wherein the first color is the color of the temperature-sensitive color-changing part, and the second color is the color of the reference piece;

step 704, determining a color difference between the first color and the second color;

step 706, determining color information according to the color difference.

In the process of identifying the image, determining a first color and a second color corresponding to the reference piece and the temperature-sensitive color-changing part, determining the color difference between the reference piece and the temperature-sensitive color-changing part according to the first color and the second color, and obtaining color information corresponding to the temperature-sensitive color-changing part according to the color difference. And color information is obtained according to the color difference, so that the accuracy of a first temperature value obtained according to the color information is improved, and the first temperature value corresponds to the object to be detected.

Example three:

as shown in fig. 1 and 8, a control device 800 of a temperature detection device is provided in a third embodiment of the present invention.

Wherein, temperature-detecting device 100 includes: a temperature sensing element 102, a temperature sensing color changing part 104, an image acquisition device and a processing device.

Wherein, the temperature-sensitive color-changing part 104 is mounted on the temperature-sensitive element 102, and the temperature-sensitive color-changing part 104 can change color with the temperature change of the temperature-sensitive element 102; the image acquisition device is used for acquiring the image of the temperature-sensitive color-changing part 104.

The temperature sensing part 102 and the temperature sensing color-changing part 104 of the temperature detection device 100 form a passive wireless temperature measurement probe, and because no electronic device is arranged in the temperature measurement probe, the temperature measurement probe does not need to be powered, so that the temperature measurement probe can be suitable for a working environment with higher temperature and higher humidity, and in the use process of the temperature detection device 100, the temperature measurement probe formed by the temperature sensing part 102 and the temperature sensing color-changing part 104 can be arranged in a cooking cavity. The image acquisition device acquires the image with the temperature-sensitive color-changing part 104, the processing device can process and analyze the image, and the first temperature value is determined according to the color change of the temperature-sensitive color-changing part 104 in the image, so that the acquisition of the temperature of the object to be detected can be completed without arranging the image acquisition device with the electronic element and the processing device in a cooking cavity with higher temperature.

As shown in fig. 8, the control device 800 of the temperature detection device includes:

the acquisition unit 802 is used for acquiring an image through an image acquisition device, wherein the image comprises a temperature-sensitive color-changing part;

an obtaining unit 804, configured to obtain color information of the temperature-sensitive color-changing portion in the image;

the determining unit 806 is configured to perform identification analysis on the color information to obtain a first temperature value of the object to be detected.

The control device 800 of the temperature detection device of the present embodiment is used for the temperature detection device, and the temperature detection device includes a temperature sensing element, a temperature sensing color changing portion, an image acquisition device, and a processing device. The temperature detection device is used for collecting the temperature of the object to be detected in the operation process of the cooking device. The temperature sensing part of the temperature detection device is used for directly contacting with the object to be detected, the temperature of the object to be detected is conducted through the temperature sensing part, and the temperature sensing color change part can sense the temperature conducted through the temperature sensing part, so that the color is changed. The image acquisition device is connected with the processing device, the processing device acquires an image with the temperature-sensitive color-changing part through the image acquisition device, and the processing device identifies the color information of the temperature-sensitive color-changing part in the image and determines the temperature of the object to be detected according to the color information.

In any of the above embodiments, the determining unit 806 is specifically configured to obtain color information of each temperature-sensitive color-changing portion in the image, determine a second temperature value of a position where each temperature-sensitive color-changing portion is located according to each color information, obtain a set heat conduction coefficient, and determine the first temperature value according to the second temperature value and the set heat conduction coefficient.

And identifying the color information of each temperature-sensitive color-changing part in the image so as to determine a second temperature value of each temperature-sensitive color-changing part at a position corresponding to the temperature-sensitive element, namely identifying a plurality of second temperature values at different positions of the temperature-sensitive element in the axial direction. And calculating according to the set heat conduction coefficient, the plurality of second temperature values and the positions of the plurality of second temperature values to obtain a first temperature value, wherein the first temperature value corresponds to the object to be detected.

In any of the above embodiments, the determining unit 806 is specifically configured to obtain a setting curve, and search for the second temperature value in the setting curve according to the color information.

The obtaining unit 804 is specifically configured to obtain a first color and a second color, determine a color difference between the first color and the second color, and determine color information according to the color difference, where the first color is the color of the thermochromic portion 104, and the second color is the second color of the reference 106.

In this embodiment, the temperature sensing element further comprises a reference element, and the reference element is made of a material with high stability, so that the color of the reference element is kept unchanged under the condition of temperature change. The reference piece and the temperature-sensitive color-changing part are arranged adjacently, so that the distance between the reference piece and the temperature-sensitive color-changing part in the image is short, the color between the temperature-sensitive color-changing part and the reference piece is convenient to compare, and the color information of the temperature-sensitive color-changing part can be obtained according to the color difference between the temperature-sensitive color-changing part and the reference piece, so that the accuracy of the first temperature value is improved.

In the process of identifying the image, determining a first color and a second color corresponding to the reference piece and the temperature-sensitive color-changing part, determining the color difference between the reference piece and the temperature-sensitive color-changing part according to the first color and the second color, and obtaining color information corresponding to the temperature-sensitive color-changing part according to the color difference. The color information is obtained according to the color difference, and the accuracy of obtaining the first temperature value according to the color information is improved.

It should be noted that the control device for a temperature detection device provided in any one of the third embodiment can be used to control the temperature detection device in any one of the possible designs of the first aspect of the present invention.

Example four:

as shown in fig. 9, a fourth embodiment of the present invention provides a temperature detecting device 900, which includes the control device 800 of the temperature detecting device in any of the third possible embodiments, so that all the beneficial technical effects of the control device 800 of the temperature detecting device in any of the third possible embodiments are achieved, and redundant description is not repeated herein.

The temperature detection device 900 in this embodiment further includes a second temperature sensor, and the second temperature sensor is used to collect a fourth temperature value of the temperature-sensitive color-changing portion.

It can be understood that, the temperature-sensitive color-changing portion may have a temperature-sensitive color-changing effect that changes during a long-time use, and the fourth temperature value of the temperature-sensitive color-changing portion collected by the second temperature sensor corrects the set curve, so that the accuracy of the first temperature value of the object to be detected, which is determined by the color information of the temperature-sensitive color-changing portion, of the subsequent temperature detection device 900 can be ensured.

Example five:

as shown in fig. 10, a fifth embodiment of the present invention provides a temperature detection apparatus 1000, which includes a memory 1002 and a processor 1004.

Wherein the memory 1002 has stored therein programs or instructions;

the processor 1004 and the processor 1004 execute the program or the instructions stored in the memory 1002 to implement the steps of the method for controlling the temperature detecting device in any embodiment of the second embodiment, so that all the beneficial technical effects of the method for controlling the temperature detecting device in any embodiment of the second embodiment are achieved, and redundant description is not repeated herein.

The temperature detecting device 1000 in this embodiment further includes a second temperature sensor, and the second temperature sensor is configured to collect a fourth temperature value of the temperature-sensitive color-changing portion.

It can be understood that, the temperature-sensitive color-changing portion may have a temperature-sensitive color-changing effect that changes during a long-time use, and the fourth temperature value of the temperature-sensitive color-changing portion collected by the second temperature sensor corrects the set curve, so that the accuracy of the first temperature value of the object to be detected determined by the color information of the temperature-sensitive color-changing portion of the subsequent temperature detection device 1000 can be ensured.

A temperature sensing device comprising: temperature sensing piece, temperature sensing color change portion, image acquisition device and processing apparatus.

The temperature-sensitive color-changing part is arranged on the temperature-sensitive piece and can change color along with the temperature change of the temperature-sensitive piece;

the image acquisition device is used for acquiring an image of the temperature-sensitive color-changing part;

the processing device is connected with the image acquisition device and used for acquiring color information of the temperature-sensitive color-changing part in the image and obtaining a first temperature value according to the color information, wherein the first temperature value corresponds to the object to be detected.

Temperature-sensing piece and the temperature sensing part that discolours of temperature-detecting device constitute passive wireless temperature probe, because do not set up electronic device in this temperature probe, also need not supply power to it, can be applicable to the higher and higher operational environment of humidity of temperature, in temperature-detecting device use, can set up the temperature probe that temperature-sensing piece and temperature sensing part of discolouring constitute in the culinary art cavity. The image acquisition device has the image of temperature sensing color-changing part through the collection, and processing apparatus can carry out processing analysis to the image, thereby obtains first temperature value according to the colour change of temperature sensing color-changing part in the image, so need not set up the image acquisition device and the processing apparatus that have electronic component in the higher cooking chamber of temperature, just can accomplish the collection of treating the detected object temperature.

Example six:

in a sixth embodiment of the present invention, there is provided a cooking apparatus including: casing, culinary art chamber and temperature-detecting device, the culinary art chamber is used for the holding to eat the material.

The cooking device provided by the embodiment comprises a shell, a cooking cavity and a temperature detection device. The culinary art chamber sets up inside the casing, places the culinary art intracavity with eating the material, and cooking device operation can heat the culinary art to eating the material.

Temperature-detecting device is in the use, inside inserting the edible material in culinary art chamber with the temperature sensing piece, temperature-detecting device's image acquisition device and processing apparatus all set up outside the culinary art chamber, and image acquisition device can directly gather the image of the temperature sensing piece in the culinary art intracavity and temperature sensing color-changing portion, can obtain first temperature value according to color information according to the color information of temperature sensing color-changing portion in the image, and first temperature value corresponds with waiting to detect the thing.

In any of the above embodiments, the cooking apparatus further comprises: and the first temperature sensor is used for acquiring a third temperature value in the cooking cavity.

In this embodiment, the cooking device further includes a first temperature sensor, a temperature measuring point of the first temperature sensor is disposed in the cooking cavity, and a third temperature value acquired by the first temperature sensor is an in-cavity temperature value.

In any of the above embodiments, the cooking device further comprises a support frame for placing the temperature sensing element in the temperature detection device.

Example seven:

a seventh embodiment of the present invention provides a readable storage medium, on which a program is stored, which when executed by a processor implements the method of controlling a temperature detection apparatus as in any one of the embodiments described above, thereby having all the advantageous technical effects of the method of controlling a temperature detection apparatus as in any one of the embodiments described above.

The readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

It is to be understood that, in the claims, the specification and the drawings of the specification of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the terms "upper", "lower" and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for the purpose of describing the present invention more conveniently and simplifying the description, and are not used to indicate or imply that the device or element referred to must have the specific orientation described, be constructed in a specific orientation, and be operated, and thus the description should not be construed as limiting the present invention; the terms "connect," "mount," "secure," and the like are to be construed broadly, and for example, "connect" may refer to a fixed connection between multiple objects, a removable connection between multiple objects, or an integral connection; the multiple objects may be directly connected to each other or indirectly connected to each other through an intermediate. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art from the above data specifically.

In the claims, specification, and drawings that follow the present disclosure, the description of the terms "one embodiment," "some embodiments," "specific embodiments," and so forth, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In the claims, specification and drawings of the present invention, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperature detection device, comprising:

a temperature sensing member;

a temperature-sensitive color-changing part which is mounted on the temperature-sensitive element and can change color with the temperature change of the temperature-sensitive element;

the image acquisition device is used for acquiring the image of the temperature-sensitive color-changing part;

and the processing device is connected with the image acquisition device and is used for acquiring the color information of the temperature-sensitive color-changing part in the image and determining the first temperature value of the object to be detected according to the color information.

2. The temperature detecting apparatus according to claim 1,

the material of the temperature-sensitive color-changing part comprises one or more temperature-sensitive color-changing materials, wherein the color-changing temperatures of the temperature-sensitive color-changing materials are different.

3. The temperature detecting apparatus according to claim 2,

the number of the temperature-sensing color-changing parts is at least two, and the temperature-sensing color-changing parts are distributed at intervals along the axial direction of the temperature-sensing piece.

4. The temperature detecting apparatus according to claim 3,

the material of each temperature-sensitive color-changing part comprises a plurality of temperature-sensitive color-changing materials, and the temperature-sensitive color-changing materials in each temperature-sensitive color-changing part are the same in type.

5. The temperature detecting apparatus according to claim 3,

the material of each temperature-sensitive color-changing part comprises a temperature-sensitive color-changing material, and the temperature-sensitive color-changing materials corresponding to the temperature-sensitive color-changing parts are different.

6. The temperature detection device according to any one of claims 1 to 5, characterized by further comprising:

a reference member mounted on the temperature-sensitive member and disposed adjacent to the temperature-sensitive color-changing portion;

the processing device acquires color information of the temperature-sensitive color-changing part in the image, and comprises: and acquiring a first color of the temperature-sensitive color-changing part in the image and a second color of the reference piece, and determining the color information according to the color difference between the first color and the second color.

7. The temperature detection apparatus according to claim 6, further comprising:

and the protective layer is sleeved on the temperature sensing element and covers the temperature sensing color changing part and the reference element.

8. The temperature detection device according to any one of claims 1 to 5, wherein the temperature sensing element includes:

the temperature measuring part is used for contacting with the object to be detected;

and the heat conduction part is connected with the temperature measurement part, and the temperature-sensitive color-changing part is arranged on the heat conduction part.

9. The temperature detecting apparatus according to claim 8,

the temperature sensing color-changing parts are distributed at intervals at one end, away from the temperature measuring part, of the heat conducting part, and are in contact with the object to be detected.

10. A method for controlling a temperature detection device, the method comprising:

collecting an image including a temperature-sensitive color-changing portion in the temperature detection device;

acquiring color information of the temperature-sensitive color-changing part in the image;

and determining a first temperature value of the object to be detected according to the color information.

11. The method according to claim 10, wherein the number of the temperature-sensitive color-changing portions is at least two, and the determining the first temperature value of the object to be detected based on the color information includes:

determining a second temperature value of the position of each temperature-sensitive color-changing part according to the color information of each temperature-sensitive color-changing part in the image;

acquiring a set heat conduction coefficient;

and determining a first temperature value of the object to be detected according to the heat conduction coefficient and the second temperature value.

12. The method according to claim 11, wherein the determining a second temperature value of a position where each of the temperature-sensitive color-changing portions is located according to the color information of each of the temperature-sensitive color-changing portions in the image includes:

acquiring a set curve, wherein the set curve is a change curve of the color information and the temperature value;

and determining a second temperature value of the position of the temperature-sensitive color-changing part according to the set curve and the color information.

13. The method for controlling the temperature detection device according to any one of claims 10 to 12, wherein the temperature detection device further includes a reference member, and the acquiring color information of the thermochromic portion in the image includes:

acquiring a first color of the temperature-sensitive color-changing part in the image and a second color of the reference piece;

and determining the color information according to the color difference between the first color and the second color.

14. A control device of a temperature detection device, characterized by comprising:

the acquisition unit is used for acquiring an image comprising a temperature-sensitive color-changing part in the temperature detection device;

an acquisition unit configured to acquire color information of the temperature-sensitive color-changing portion in the image;

and the determining unit is used for determining a first temperature value of the object to be detected according to the color information.

15. A temperature detection device, comprising:

the control device of the temperature detection device according to claim 14.

16. A temperature detection device is characterized in that,

a memory having a program or instructions stored therein;

a processor executing a program or instructions stored in the memory to implement the steps of the control method of the temperature detection apparatus according to any one of claims 10 to 13.

17. A cooking device, comprising:

the cooking device comprises a shell, a cooking cavity and a control device, wherein the shell is internally provided with the cooking cavity which is used for containing food materials;

a temperature detection apparatus according to any one of claims 1 to 9.

18. The cooking device of claim 17, further comprising:

the first temperature sensor is used for collecting a third temperature value in the cooking cavity.

19. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the control method of the temperature detection apparatus according to any one of claims 10 to 13.