CN112656242A - Heating device, working method thereof and oven - Google Patents
Heating device, working method thereof and oven Download PDFInfo
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- CN112656242A CN112656242A CN202011491700.7A CN202011491700A CN112656242A CN 112656242 A CN112656242 A CN 112656242A CN 202011491700 A CN202011491700 A CN 202011491700A CN 112656242 A CN112656242 A CN 112656242A
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Abstract
A heating device, an operating method thereof and an oven are provided, wherein the heating device comprises: a first cavity for placing and heating an object to be heated; the temperature difference power generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output; and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the temperature difference power generation component to work. The heating device can improve the utilization efficiency of the electric energy generated by the thermoelectric generation component.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a heating device, a working method thereof and an oven.
Background
The thermoelectric power generation technology is a new energy technology which utilizes a semiconductor Seebeck effect (Seebeck effect) to directly convert heat energy into electric energy, has the characteristics of compact structure, no moving parts, reliable performance, no maintenance, no noise in working, low carbon, environmental protection and the like, is widely applied to the fields of space, military, industry, automobiles, new energy, civil household appliances and the like, and is a small, high-efficiency, maintenance-free and long-life thermoelectric power generation system in the coming era of the Internet of things, and is expected to provide power for a plurality of sensors and communication equipment.
The oven is an electric appliance for heating food at high temperature, and hot air in the oven body is exhausted through a heat dissipation air duct after the baking is finished in the baking process. The temperature difference power generation technology is adopted to utilize the heat energy generated in the oven, so that the aims of saving energy and reducing pollution can be fulfilled.
However, the utilization efficiency of the electric energy generated by the existing in-oven thermoelectric generation technology is still low.
Disclosure of Invention
The invention aims to provide a heating device, a working method thereof and an oven, so as to improve the utilization efficiency of electric energy generated by a thermoelectric generation component and actually solve the power supply requirement of a low-power module.
In order to solve the above technical problem, a technical solution of the present invention provides a heating device, including: a first cavity for placing and heating an object to be heated; the temperature difference power generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output; and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the temperature difference power generation component to work.
Optionally, the method further includes: the second cavity is positioned on the outer side of the first cavity, and a cavity is formed between the first cavity and the second cavity.
Optionally, the thermoelectric generation component includes a cold end face and a hot end face, the hot end face contacts with the outer surface of the first cavity, and the cold end face is located in the cavity.
Optionally, the temperature detecting device includes: a rod body; and the temperature sensor is positioned at one end of the rod body and used for acquiring the temperature information of the object to be heated.
Optionally, the temperature detecting device further includes: and the wireless unit is positioned at the other end of the rod body and coupled with the temperature sensor, and the wireless unit is used for sending the temperature information to an external terminal.
Optionally, the wireless unit is a bluetooth device.
Optionally, the external terminal includes a mobile phone.
Optionally, the cold end face surface is provided with a heat dissipating component.
Optionally, the heat dissipation component includes one or a combination of two of a heat dissipation silicone layer and a heat dissipation fin.
Optionally, the method further includes: and the voltage stabilizing component is connected between the temperature difference generating component and the temperature detection device and is used for acquiring the first electric signal and converting the first electric signal into a second electric signal to drive the temperature detection device to work.
Optionally, the method further includes: and the low-power component is connected with the thermoelectric generation component, and the working range of the low-power component is 0-50W.
Optionally, the low-power component is located outside the first cavity.
Optionally, the low power component includes: an illuminating lamp.
Correspondingly, the technical scheme of the invention also provides a working method of the heating device, which comprises the following steps: providing a heating device, wherein the heating device comprises a first cavity, a thermoelectric generation component and a temperature detection device, the first cavity is used for placing and heating an object to be heated, the thermoelectric generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output, and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the thermoelectric generation component to work; placing the object to be heated into a first cavity and heating; acquiring heat energy on the outer surface of the first cavity, converting the heat energy into a first electric signal and outputting the first electric signal; the first electric signal drives the temperature detection device to work, and temperature information of the object to be heated is acquired.
Optionally, the temperature information is sent to an external terminal.
Optionally, the heating device further comprises: a low-power component connected with the thermoelectric generation component; the working method further comprises the following steps: the first electric signal also drives the low-power component to work.
Optionally, the heating device further comprises: a voltage stabilizing part connected between the thermoelectric generation part and the temperature detection device; the working method further comprises the following steps: and acquiring the first electric signal and converting the first electric signal into a second electric signal to drive the temperature detection device to work.
Correspondingly, the technical scheme of the invention also provides an oven, which comprises: the heating device of any one of the above.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
in the heating device provided by the technical scheme of the invention, when a large amount of heat is generated in the first cavity, the thermoelectric generation component acquires the heat energy on the outer surface of the first cavity and converts the heat energy into the first electric signal for output. Meanwhile, the working power of the temperature detection device is low, and the first electric signal output by the thermoelectric generation component is enough to drive the temperature detection device to work, so that the utilization efficiency of the electric energy generated by the thermoelectric generation component is improved.
Further, the temperature detection device further includes: the wireless unit is positioned at the other end of the rod body, and the temperature difference power generation component can drive the temperature sensor to work so as to acquire temperature information of the object to be heated positioned in the first cavity. Moreover, the temperature information acquired by the temperature sensor can be transmitted to an external terminal through the wireless unit coupled with the temperature sensor, so that when the object to be heated is heated, a user can fully grasp the temperature in the food without opening the first cavity to take out the object to be heated, and further, the subsequent operation of the user can be favorably carried out according to the acquired temperature information.
Further, the heating device further includes: the small-power component is electrically connected with the thermoelectric generation component, and the working power of the small-power component is low, so that the first electric signal output by the thermoelectric generation component can sufficiently drive the small-power component to work, and the utilization efficiency of the electric energy converted by the thermoelectric generation component is further improved.
According to the working method of the heating device provided by the technical scheme of the invention, after an object to be heated is placed in the first cavity and is heated, the temperature difference power generation component acquires heat energy on the outer surface of the first cavity and converts the heat energy into a first electric signal, and the first electric signal is enough to drive the temperature detection device to work due to the lower working power of the temperature detection device, so that the utilization efficiency of electric energy generated by the temperature difference power generation component is improved.
Furthermore, the temperature information acquired by the temperature sensor is sent to an external terminal, so that when the object to be heated is heated, a user can fully grasp the temperature in the food without opening the first cavity to take out the object to be heated, and further, the subsequent operation of the user can be favorably carried out according to the acquired temperature information.
Drawings
FIG. 1 is a schematic structural diagram of a heating device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a flow chart of a method of operating a heating device in an embodiment of the invention.
Detailed Description
As mentioned in the background art, the utilization efficiency of the electric energy generated by the existing in-oven thermoelectric generation technology is still low.
In order to solve the technical problem, an embodiment of the present invention provides a heating device and a working method thereof, including: a first cavity for placing and heating an object to be heated; the temperature difference power generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output; and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the temperature difference power generation component to work. The working power of the temperature detection device is low, and the electric energy converted by the thermoelectric generation component can sufficiently drive the temperature detection device electrically connected with the thermoelectric generation component to work, so that the utilization efficiency of the electric energy generated by the thermoelectric generation component is improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 1 is a schematic structural view of a heating apparatus according to an embodiment of the present invention, and fig. 2 is an enlarged view of a region a in fig. 1.
Referring to fig. 1 and 2, a heating apparatus includes: a first cavity 100 for placing and heating the object 1 to be heated; the thermoelectric generation component 110 is used for acquiring heat energy on the outer surface of the first cavity 100 and converting the heat energy into a first electric signal to be output; the temperature detecting device 120 is located in the first cavity 100 and is used for being driven by the first electric signal output by the thermoelectric generation component 110 to work.
When the object 1 to be heated is placed in the first cavity 100 and heated, on the one hand, the temperature of the object 1 to be heated changes with the increase of the heating time, gradually increasing; on the other hand, as the heating time increases, the temperature of the outer surface of the first chamber 100 changes and gradually increases.
When a large amount of heat is generated in the first cavity 100, the thermoelectric generation component 110 obtains heat energy from the outer surface of the first cavity 100 and converts the heat energy into a first electric signal to output. Meanwhile, the operating power of the temperature detecting device 120 is low, and the first electrical signal output by the thermoelectric generation component 110 is sufficient to drive the temperature detecting device 120 to operate, so that the utilization efficiency of the electrical energy generated by the thermoelectric generation component 110 is improved.
In this embodiment, the object 1 to be heated is food, and the temperature detection device 120 can detect the temperature change of the object 1 to be heated in real time and adjust the heating time in time based on the grasped temperature information of the food, thereby obtaining a more delicious food.
The heating device further includes: and a second cavity 130, wherein the second cavity 130 is located outside the first cavity 100, and a cavity 140 is formed between the first cavity 100 and the second cavity 130.
The thermoelectric generation component 110 includes a cold end surface 111 and a hot end surface 112, the hot end surface 112 is in contact with the outer surface of the first cavity 100, and the cold end surface 111 is located in the cavity 140.
The operating principle of the thermoelectric generation component 110 is as follows: when a temperature difference exists between two ends of a conductor or a semiconductor, a thermoelectromotive force is generated, and the seebeck effect is called. When one end of a device (thermoelectric material) including a P-type and N-type semiconductor element is maintained in a low-temperature region and the other end is maintained in a high-temperature region, thermal energy is transferred from the high-temperature side of the device to the low-temperature side thereof to generate heat flow, and the thermal energy flows into the device from the high-temperature side and is discharged from the low-temperature side. At this time, a part of the thermal energy flowing into the device does not release heat, and is converted into electric energy in the device.
Specifically, as the heating time increases, the temperature of the outer surface of the first cavity 100 is higher and higher, and the hot end surface 112 is in contact with the outer surface of the first cavity 100, so that the temperature of the hot end surface 112 is higher than that of the cold end surface 111, and the thermoelectric generation component 110 can convert the thermal energy of the outer surface of the first cavity 100 into electric energy by using the temperature difference between the hot end surface 112 and the cold end surface 111, and specifically output the electric energy as a first electric signal.
The temperature detection device 120 includes: a rod body 121; and a temperature sensor 122 located at one end of the rod body 121 for acquiring temperature information of the object 1 to be heated.
In this embodiment, the end of rod 121 where temperature sensor 122 is disposed is pointed, which facilitates inserting the end of rod 121 into object 1 to be heated, and facilitates temperature sensor 122 to obtain temperature information of object 1 to be heated, so as to accurately grasp the temperature of object 1 to be heated.
In other embodiments, the rod body may have other shapes, such as a cylindrical shape.
In other embodiments, the rod body may not be inserted into the object to be heated, so that the temperature sensor acquires temperature information in the first cavity.
The temperature detection device 120 further includes: a wireless unit 123 at the other end of the rod 121, wherein the wireless unit 123 is coupled to the temperature sensor 122, and the wireless unit 123 is configured to transmit the temperature information to an external terminal (not shown).
Since the temperature detection device 120 further includes: the wireless unit 123 is located at the other end of the rod 121, and the thermoelectric generation part 110 can drive the temperature sensor 122 to work, so as to obtain the temperature information of the object 1 to be heated located in the first cavity 100. Moreover, the temperature information acquired by the temperature sensor 122 can be transmitted to an external terminal through the wireless unit 123 coupled to the temperature sensor 122, so that when the object 1 to be heated is heated, a user can fully grasp the temperature inside the food without opening the first cavity 100 to take out the object 1 to be heated, thereby facilitating the user to perform subsequent operations according to the acquired temperature information.
In this embodiment, the wireless unit 123 is a bluetooth device.
In this embodiment, the external terminal includes a mobile phone.
Specifically, since the mobile phone on the market at present has a module for receiving a bluetooth signal, and the temperature information acquired by the temperature sensor 122 is transmitted to the mobile phone through the bluetooth device, the user can timely and accurately grasp the temperature condition of the object 1 to be heated in the first cavity 100 by using the mobile phone.
In this embodiment, the surface of the cold end surface 111 is provided with a heat dissipation member 150.
The heat dissipation member 150 includes one or a combination of a heat dissipation silicone layer and a heat dissipation fin.
In the present embodiment, the heat dissipation member 150 includes a heat dissipation silicone layer 151 and a heat dissipation plate 152.
Specifically, the heating device further includes: and the voltage stabilizing component 160 is connected between the thermoelectric generation component 110 and the temperature detection device 120 and is used for acquiring the first electric signal and converting the first electric signal into a second electric signal to drive the temperature detection device 120 to work.
Because the temperature difference between the cold end surface 111 and the hot end surface 112 cannot be kept constant, the first electrical signal output by the thermoelectric generation component 110 is unstable, and the voltage stabilizing component 160 connected between the thermoelectric generation component 110 and the temperature detection device 120 can convert the first electrical signal into a second electrical signal, and the second electrical signal is stable and better adapted to the operation requirement of the temperature detection device 120, so that the second electrical signal can better drive the temperature detection device 120 to continuously and stably operate.
Specifically, the heating device further includes: and a small power part 170 connected to the thermoelectric generation part 110. The low power consumption part 170 has an operating power ranging from 0 w to 50 w.
The heating device further includes: the small power component 170, and the small power component 170 is electrically connected to the thermoelectric generation component 110, because the operating power of the small power component 170 is low, the first electrical signal output by the thermoelectric generation component 110 is sufficient to drive the small power component 170 to operate, thereby further improving the utilization efficiency of the electrical energy converted by the thermoelectric generation component 110.
In this embodiment, the small power part 170 is located outside the first cavity 100.
The small power part 170 includes: an illuminating lamp.
The small power component 170 may also be a power consuming component commonly used in the art, and the operating power of the power consuming component is within 0 watt to 50 watts, which is not described herein again.
In other embodiments, the low power component may also be located within the first cavity, or outside the second cavity.
Fig. 3 is a flow chart of a method of operating a heating device in an embodiment of the invention.
Accordingly, an embodiment of the present invention further provides a method for operating a heating device, please refer to fig. 1 to 3, including:
step S1: providing a heating device, wherein the heating device comprises a first cavity 100, a thermoelectric generation component 110 and a temperature detection device 120, the first cavity 100 is used for placing and heating an object 1 to be heated, the thermoelectric generation component 110 is used for acquiring heat energy on the outer surface of the first cavity 100 and converting the heat energy into a first electric signal to be output, and the temperature detection device 120 is positioned in the first cavity 100 and is driven by the first electric signal output by the thermoelectric generation component 110 to work;
step S2: the object 1 to be heated is put into the first cavity 100 and heated;
step S3: acquiring heat energy on the outer surface of the first cavity 100, and converting the heat energy into a first electric signal for output;
step S4: the first electric signal drives the temperature detection device 120 to operate, and temperature information of the object 1 to be heated is acquired.
The following detailed description is made with reference to the accompanying drawings.
After the object 1 to be heated is placed in the first cavity 100 and the heating operation is performed, the thermoelectric generation part 110 can obtain the heat energy of the outer surface of the first cavity 100 and convert the heat energy into the first electric signal, and the first electric signal is enough to drive the temperature detection device 120 to operate due to the low operating power of the temperature detection device 120, so that the utilization efficiency of the electric energy generated by the thermoelectric generation part 110 is improved.
In this embodiment, the operating method of the heating device further includes: and sending the temperature information to an external terminal.
Specifically, the temperature detection device 120 includes: the heating device comprises a temperature sensor 122 and a wireless unit 123 coupled with the temperature sensor 122, wherein the wireless unit 123 can transmit temperature information acquired by the temperature sensor 122 to an external terminal, so that when the object 1 to be heated is heated, a user can fully grasp the temperature inside food without opening the first cavity 100 to take out the object 1 to be heated, and further, the user can perform subsequent operations according to the acquired temperature information.
In this embodiment, the heating device further includes: a small power part 170 connected to the thermoelectric generation part 110; the working method further comprises the following steps: the first electrical signal also drives the small power component 170 to operate.
In this embodiment, the heating device further includes: a voltage stabilizing part 160 connected between the thermoelectric generation part 110 and the temperature detection device 120; the working method further comprises the following steps: the first electrical signal is obtained and converted into a second electrical signal to drive the temperature detection device 120 to work.
Because the temperature difference between the cold end surface 111 and the hot end surface 112 cannot be kept constant, the first electrical signal output by the thermoelectric generation component 110 is unstable, and the voltage stabilizing component 160 connected between the thermoelectric generation component 110 and the temperature detection device 120 can convert the first electrical signal into a second electrical signal, and the second electrical signal is stable and better adapted to the operation requirement of the temperature detection device 120, so that the second electrical signal can better drive the temperature detection device 120 to continuously and stably operate.
Correspondingly, an embodiment of the present invention further provides an oven, including: the heating device is described above.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (18)
1. A heating device, comprising:
a first cavity for placing and heating an object to be heated;
the temperature difference power generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output;
and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the temperature difference power generation component to work.
2. The heating device of claim 1, further comprising: the second cavity is positioned on the outer side of the first cavity, and a cavity is formed between the first cavity and the second cavity.
3. The heating device of claim 2, wherein the thermoelectric generation component comprises a cold end face and a hot end face, and the hot end face is in contact with the first cavity outer surface, and the cold end face is located within the cavity.
4. The heating apparatus as claimed in claim 1, wherein the temperature detecting means comprises: a rod body; and the temperature sensor is positioned at one end of the rod body and used for acquiring the temperature information of the object to be heated.
5. The heating apparatus as claimed in claim 4, wherein the temperature detecting means further comprises: and the wireless unit is positioned at the other end of the rod body and coupled with the temperature sensor, and the wireless unit is used for sending the temperature information to an external terminal.
6. The heating device of claim 5, wherein the wireless unit is a Bluetooth device.
7. The heating device of claim 5, wherein the external terminal comprises a cell phone.
8. A heating device as claimed in claim 3, wherein the cold end face surface is provided with heat dissipating means.
9. The heating device of claim 8, wherein the heat dissipating member comprises one or a combination of a heat dissipating silicone layer and a heat sink.
10. The heating device of claim 1, further comprising: and the voltage stabilizing component is connected between the temperature difference generating component and the temperature detection device and is used for acquiring the first electric signal and converting the first electric signal into a second electric signal to drive the temperature detection device to work.
11. The heating device of claim 1, further comprising: and the low-power component is connected with the thermoelectric generation component, and the working range of the low-power component is 0-50W.
12. The heating device of claim 11, wherein said low power component is located outside of said first chamber.
13. The heating device as claimed in claim 12, wherein the small power component comprises: an illuminating lamp.
14. A method of operating a heating device, comprising:
providing a heating device, wherein the heating device comprises a first cavity, a thermoelectric generation component and a temperature detection device, the first cavity is used for placing and heating an object to be heated, the thermoelectric generation component is used for acquiring heat energy on the outer surface of the first cavity and converting the heat energy into a first electric signal to be output, and the temperature detection device is positioned in the first cavity and is used for being driven by the first electric signal output by the thermoelectric generation component to work;
placing the object to be heated into a first cavity and heating;
acquiring heat energy on the outer surface of the first cavity, converting the heat energy into a first electric signal and outputting the first electric signal;
the first electric signal drives the temperature detection device to work, and temperature information of the object to be heated is acquired.
15. The method of operating a heating apparatus according to claim 14, wherein the temperature information is transmitted to an external terminal.
16. The method of operating a heating device of claim 14, wherein the heating device further comprises: a low-power component connected with the thermoelectric generation component; the working method further comprises the following steps: the first electric signal also drives the low-power component to work.
17. The method of operating a heating device of claim 14, wherein the heating device further comprises: a voltage stabilizing part connected between the thermoelectric generation part and the temperature detection device; the working method further comprises the following steps: and acquiring the first electric signal and converting the first electric signal into a second electric signal to drive the temperature detection device to work.
18. An oven, comprising: the heating device of any one of claims 1 to 13.
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| CN202011491700.7A CN112656242A (en) | 2020-12-16 | 2020-12-16 | Heating device, working method thereof and oven |
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| CN202011491700.7A CN112656242A (en) | 2020-12-16 | 2020-12-16 | Heating device, working method thereof and oven |
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| US20100012645A1 (en) * | 2007-03-30 | 2010-01-21 | E.G.O. Elektro-Geraetebau Gmbh | Temperature probe for an oven, oven and method for operating an oven |
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