CN113074829A - Temperature detection device and system - Google Patents

Temperature detection device and system Download PDF

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Publication number
CN113074829A
CN113074829A CN202110484075.1A CN202110484075A CN113074829A CN 113074829 A CN113074829 A CN 113074829A CN 202110484075 A CN202110484075 A CN 202110484075A CN 113074829 A CN113074829 A CN 113074829A
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China
Prior art keywords
light source
temperature
layer
photoelectric conversion
thermal expansion
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Pending
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CN202110484075.1A
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Chinese (zh)
Inventor
王勇凯
孙佳琳
李知多
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Xian University of Posts and Telecommunications
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Xian University of Posts and Telecommunications
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Priority to CN202110484075.1A priority Critical patent/CN113074829A/en
Publication of CN113074829A publication Critical patent/CN113074829A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/08Protective devices, e.g. casings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The application relates to a temperature detection device and a system, in particular to the field of temperature detection; the application provides a temperature detection device includes: the device comprises a shell, a heat absorption layer, a heat transfer layer, a thermal expansion material part, a reflector, a photoelectric conversion layer and a light source; when the temperature to be measured needs to be detected, because the thickness of one end, close to the light source, of the thermal expansion material part is smaller than that of one end, far away from the light source, of the thermal expansion material part, the deformation of one side, close to the light source, of the thermal expansion material part is smaller than that of one side, far away from the light source, and because the reflector is arranged on one side, close to the light source, of the thermal expansion material part, under the action of the temperature, the included angle between the reflector and the light source can be changed, namely, the optical signal, received by the reflector, of the light source is reduced, so that the quantity of light, generated by the light source, reflected to the photoelectric conversion layer through the reflector is reduced, the current generated on the photoelectric conversion layer correspondingly changes, the current on the photoelectric conversion layer is detected, and the temperature.

Description

Temperature detection device and system
Technical Field
The application relates to the field of temperature detection, in particular to a temperature detection device and system.
Background
A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.
The detection principle of the temperature sensor of the thermal resistor is that the resistance value of metal changes along with the temperature change, the temperature is measured by measuring the resistance and the relation between the resistance and the temperature, and the thermocouple temperature sensor is composed of two metal wires made of different materials and welded together at the tail end. The temperature of the heating point can be accurately known by measuring the ambient temperature of the unheated part.
Because thermal resistance temperature sensor and thermocouple temperature sensor all need to heat through the metal with temperature sensor inside, the metal absorbs certain heat at the in-process of heating for this thermal resistance temperature sensor and thermocouple temperature sensor have great error to the measurement of temperature.
Disclosure of Invention
The invention aims to provide a temperature detection device and a temperature detection system aiming at the defects in the prior art, and aims to solve the problem that in the prior art, because the metal in the temperature sensor needs to be heated, the metal absorbs certain heat in the heating process, and the temperature measurement of the thermal resistance temperature sensor and the thermocouple temperature sensor has large errors.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, the present application provides a temperature detection device, comprising: the device comprises a shell, a heat absorption layer, a heat transfer layer, a thermal expansion material part, a reflector, a photoelectric conversion layer and a light source; the shell is of a cavity structure, the heat absorption layer, the heat transfer layer, the thermal expansion material part, the reflector, the photoelectric conversion layer and the light source are arranged inside the shell, the light source is arranged at the bottom inside the shell, the photoelectric conversion layer is arranged on the inner wall, adjacent to the light source, of the shell, the heat absorption layer is arranged on the surface, opposite to the light source, inside the shell, an included angle between the heat absorption layer and the light source is smaller than 90 degrees, the heat absorption layer is made of a heat absorption material, the heat transfer layer is arranged on one side, close to the light source, of the heat transfer layer, the thermal expansion material part is arranged on one side, close to the light source, of the heat transfer layer, the thickness of one end, close to the light source, of the thermal expansion material part is smaller than that of one end, far away from.
Optionally, the temperature detector further comprises a light shield, and the light shield is arranged outside the photoelectric conversion layer and the light source of the shell.
Optionally, the number of the thermal expansion material part and the number of the reflecting mirror are plural, and the plural reflecting mirrors are all disposed on a side of the plural thermal expansion material parts close to the light source.
Optionally, the material of the heat absorbing layer is a black chromium coating.
Optionally, inside the housing, the photoelectric conversion layer and the light source are perpendicular to each other.
Optionally, the thermally expansive material portion is internally doped with thermally conductive particles.
Optionally, the material of the thermally conductive particles is silver or copper.
Optionally, a plurality of protrusions or a plurality of grooves are arranged on one side of the heat absorbing layer away from the light source.
In a second aspect, the present application provides a temperature detection system comprising: the temperature detection device comprises an electric energy meter, a computer and the temperature detection device of any one of the first aspect, wherein the computer and the electric energy meter are sequentially electrically connected with a photoelectric conversion layer of the temperature detection device, the electric energy meter is used for detecting the current of the photoelectric conversion layer, and the computer is used for obtaining the temperature to be detected according to the corresponding relation between the current detected by the electric energy meter and the temperature to be detected.
The invention has the beneficial effects that:
the application provides a temperature detection device includes: the device comprises a shell, a heat absorption layer, a heat transfer layer, a thermal expansion material part, a reflector, a photoelectric conversion layer and a light source; the shell is of a cavity structure, the heat absorption layer, the heat transfer layer, the thermal expansion material part, the reflector, the photoelectric conversion layer and the light source are all arranged in the shell, the light source is arranged at the bottom in the shell, the photoelectric conversion layer is arranged on the inner wall of the shell adjacent to the light source, the heat absorption layer is arranged on the surface in the shell opposite to the light source, the included angle between the heat absorption layer and the light source is smaller than 90 degrees, the heat absorption layer is made of a heat absorption material, the heat transfer layer is arranged on one side of the heat absorption layer close to the light source, the thermal expansion material part is arranged on one side of the heat transfer layer close to the light source, the thickness of one end of the thermal expansion material part close to the light source is smaller than that of one end far away from the light source, the reflector is arranged on one; when the temperature to be detected needs to be detected, the heat absorption layer absorbs heat in an environment to be detected, the heat transfer layer transfers the heat to the thermal expansion material part, the thermal expansion material part expands under the action of the temperature, because the thickness of one end, close to the light source, of the thermal expansion material part is smaller than that of one end, far away from the light source, of the thermal expansion material part, the deformation of one side, close to the light source is smaller than that of one side, far away from the light source, and because the reflector is arranged on one side, close to the light source, of the thermal expansion material part, under the action of the temperature, an included angle between the reflector and the light source can change, namely, an optical signal of the light source received by the reflector is reduced, so that the quantity of light generated by the light source and reflected to the photoelectric conversion layer through the reflector is reduced, the current generated on the photoelectric conversion layer correspondingly changes, and the current on the photoelectric conversion layer is, obtaining the temperature to be measured according to the corresponding relation between the current and the temperature to be measured; this application realizes the detection to the temperature through the photoelectric effect, has solved scattering and disappearing at heat conduction in-process heat among the prior art to there is the problem of great error in the detection to the temperature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a temperature detecting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another temperature detecting device according to an embodiment of the present invention.
Icon: 10-a housing; 20-a heat sink layer; 30-a heat transfer layer; 40-a thermally expansive material portion; 50-a mirror; 60-a photoelectric conversion layer; 70-light source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are one embodiment of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the implementation of the present invention clearer, the following detailed description is made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a temperature detecting device according to an embodiment of the present invention; as shown in fig. 1, the present application provides a temperature detection device including: a case 10, a heat absorbing layer 20, a heat transfer layer 30, a thermally-expansible material portion 40, a mirror 50, a photoelectric conversion layer 60, and a light source 70; the case 10 is a cavity structure, the heat absorbing layer 20, the heat transfer layer 30, the thermal expansion material part 40, the reflecting mirror 50, the photoelectric conversion layer 60 and the light source 70 are all arranged inside the case 10, wherein, the bottom inside the casing 10 is provided with a light source 70, the inner wall of the casing 10 adjacent to the light source 70 is provided with a photoelectric conversion layer 60, the surface inside the casing 10 opposite to the light source 70 is provided with a heat absorption layer 20, and the included angle between the heat absorbing layer 20 and the light source 70 is less than 90 degrees, the material of the heat absorbing layer 20 is a heat absorbing material, the heat transfer layer 30 is arranged on one side of the heat absorbing layer 20 close to the light source 70, a thermal expansion material part 40 is arranged on one side of the heat transfer layer 30 close to the light source 70, the thickness of one end of the thermal expansion material part 40 close to the light source 70 is less than that of one end far away from the light source 70, the reflector 50 is arranged on one side of the thermal expansion material part 40 close to the light source 70, and the reflector 50 is used for reflecting the light generated by the light source 70 to the.
The shape of the casing 10 of the present application is determined according to actual needs, and is not specifically limited herein, for convenience of people, the shape of the casing 10 is described as a rectangular parallelepiped, the interior of the rectangular parallelepiped casing 10 is a cavity, the interior of the rectangular parallelepiped casing 10 is provided with the heat absorbing layer 20, the heat transfer layer 30, the thermal expansion material portion 40, the reflector 50, the photoelectric conversion layer 60 and the light source 70, wherein the light source 70 is arranged at the bottom of the interior of the casing 10, the photoelectric conversion layer 60 is arranged on the side wall of the interior of the casing 10, the heat absorbing layer 20, the heat transfer layer 30, the thermal expansion material portion 40 and the reflector 50 are all arranged at positions opposite to the light source 70, and since the included angle between the reflector 50 and the light source 70 is less than 90 degrees, one end of the casing 10 opposite to the light source 70 is removed, and the removed cross section is a rectangular structure, the heat absorbing layer 20 is arranged at the cross section position in a covering manner that the heat absorbing layer 20 is opposite, and the included angle between the heat absorbing layer 20 and the light source 70 is also smaller than 90 degrees, the heat absorbing layer 20 is used for absorbing heat in the external environment to be measured, the heat transfer layer 30 is disposed on the side of the heat absorbing layer 20 close to the light source 70 and is used for conducting the heat absorbed by the heat absorbing layer 20, a thermal expansion material portion 40 is disposed on the side of the heat transfer layer 30 close to the light source 70, since the included angle between the heat absorbing layer 20 and the light source 70 is smaller than 90 degrees, which means that the included angles between the heat absorbing layer 20, the heat transfer layer 30 and the thermal expansion material portion 40 and the light source 70 are all smaller than 90 degrees, then a part of the thermal expansion material portion 40 is disposed close to the light source 70, and the other part is disposed far from the light source 70, in practical application, the thickness of the end of the thermal expansion material portion 40 close to the light source 70 is smaller than the thickness of the end far from the light source 70, the reflector, since the thickness of the end of the thermal expansion material part 40 close to the light source 70 is smaller than that of the end far from the light source 70, the thicker end of the thermal expansion material part 40 is deformed more and the thinner end of the thermal expansion material part 40 is deformed less under the action of temperature, so that the deformation of the end of the reflector 50 arranged on the thermal expansion material part 40 far from the light source 70 is larger and the deformation of the end close to the light source 70 is smaller under the action of temperature, and when the reflector 50 is deformed under the action of temperature, the relative area of the reflector and the light receiving source 70 generating the optical signal is changed, thereby changing the amount of the optical signal reflected by the reflector to the photoelectric conversion layer 60; when the temperature to be measured needs to be detected, the heat absorbing layer 20 absorbs heat in the environment to be measured, the heat transfer layer 30 transfers heat to the thermal expansion material portion 40, the thermal expansion material portion 40 expands under the action of temperature, because the thickness of the end of the thermal expansion material portion 40 close to the light source 70 is smaller than that of the end far from the light source 70, the deformation of the side close to the light source 70 is smaller than that of the side far from the light source 70, and because the reflector 50 is arranged on the side of the thermal expansion material portion 40 close to the light source 70, under the action of temperature, the included angle between the reflector 50 and the light source 70 changes, that is, the optical signal of the light source 70 received by the reflector 50 decreases, so that the amount of light generated by the light source 70 and reflected to the photoelectric conversion layer 60 by the reflector 50 decreases, and the current generated on the photoelectric conversion layer 60 changes accordingly, the temperature to be measured is obtained by detecting the current on the photoelectric conversion layer 60 and according to the corresponding relationship between the current and the temperature to be measured, it should be noted that the corresponding relationship between the current and the temperature to be measured is obtained by experimental measurement, and is not specifically limited herein; this application realizes the detection to the temperature through the photoelectric effect, has solved scattering and disappearing at heat conduction in-process heat among the prior art to there is the problem of great error in the detection to the temperature.
The application has the specific beneficial effects that: the temperature detection is converted into the detection of optical signals, the light is the most sensitive and accurate information carrier at present, and the temperature is reflected by measuring the intensity of the optical signals, so that the temperature detection is more sensitive and accurate.
Optionally, the temperature detector further comprises a light shield disposed outside the photoelectric conversion layer 60 and the light source 70 of the housing 10.
The light shield is disposed outside the photoelectric conversion layer 60 and the light source 70 of the housing 10, and is used for reducing the entrance of the foreign light outside the photoelectric conversion layer 60 and the light source 70 into the housing 10, thereby causing an error, that is, the accuracy of the temperature detection device of the present application in detecting the temperature can be increased by disposing the light shield.
Fig. 2 is a schematic structural diagram of another temperature detecting device according to an embodiment of the present invention, as shown in fig. 2, optionally, a plurality of thermal expansion material portions 40 and a plurality of reflectors 50 are provided, and each of the plurality of reflectors 50 is disposed on a side of the thermal expansion material portions 40 close to the light source 70.
The plurality of thermal expansion material parts 40 are arranged on one side of the heat conducting part close to the light source 70, and the plurality of reflectors 50 are all arranged on one side of the plurality of thermal expansion material parts 40 close to the light source 70. in practical application, the number of the thermal expansion material parts 40 is the same as that of the reflectors 50, namely, one reflector 50 is arranged on one thermal expansion material part 40, and after the thermal expansion material part 40 is deformed, the plurality of reflectors 50 do not influence each other, and the plurality of thermal expansion material parts 40 and the plurality of reflectors 50 are arranged to enable the temperature detection to be more accurate.
Optionally, the material of the heat absorbing layer 20 is a black chrome coating.
The black chromium coating has strong heat absorption capacity, can shorten the time for detecting the temperature and increase the efficiency for detecting the temperature.
Alternatively, inside the housing 10, the photoelectric conversion layer 60 and the light source 70 are perpendicular to each other.
Inside the housing 10, the photoelectric conversion layer 60 and the light source 70 are disposed perpendicular to each other, so that the light signal generated on the light source 70 is only reflected onto the photoelectric conversion layer 60 by the reflecting mirror 50 and is not directly irradiated onto the photoelectric conversion layer 60 by the light source 70.
Optionally, the thermal expansion material part 40 is doped with thermally conductive particles therein.
The heat conductive particles increase the heat absorption of the thermal expansion material portion 40, thereby increasing the amount of deformation of the thermal expansion material portion 40 under the action of temperature.
Optionally, the material of the thermally conductive particles is silver or copper.
In practical applications, two methods are used for doping heat conducting particles into the thermal expansion material portion 40, the first method is to lay a layer on the inner portion of the contact surface with the heat transfer layer 30, so that the heat transfer effect can be enhanced, then more particles are added to the thicker end of the thermal expansion material portion 40, and less or no particles are added to the thinner end, so that the expansion degree difference between the thick end and the thin end of the thermal expansion material portion 40 is larger, the angle change of the reflector 50 is stronger, the change degree of the optical signal received by the photoelectric conversion layer 60 is larger, and the temperature detection is more sensitive and more accurate.
Optionally, the heat sink layer 20 is provided with a plurality of protrusions or a plurality of grooves on the side away from the light source 70.
The surface of the heat absorption layer 20 is provided with the protrusions or the grooves, so that the contact area with the outside can be increased, more heat can be absorbed, temperature sensing is facilitated, and the accuracy of temperature detection is further improved.
The application provides a temperature detection device includes: a case 10, a heat absorbing layer 20, a heat transfer layer 30, a thermally-expansible material portion 40, a mirror 50, a photoelectric conversion layer 60, and a light source 70; the case 10 is a cavity structure, the heat absorbing layer 20, the heat transfer layer 30, the thermal expansion material part 40, the reflecting mirror 50, the photoelectric conversion layer 60 and the light source 70 are all arranged inside the case 10, wherein, the bottom inside the casing 10 is provided with a light source 70, the inner wall of the casing 10 adjacent to the light source 70 is provided with a photoelectric conversion layer 60, the surface inside the casing 10 opposite to the light source 70 is provided with a heat absorption layer 20, the included angle between the heat absorbing layer 20 and the light source 70 is less than 90 degrees, the heat absorbing layer 20 is made of a heat absorbing material, the heat transfer layer 30 is arranged on one side of the heat absorbing layer 20 close to the light source 70, a thermal expansion material part 40 is arranged on one side of the heat transfer layer 30 close to the light source 70, the thickness of one end, close to the light source 70, of the thermal expansion material part 40 is less than that of one end far away from the light source 70, the reflector 50 is arranged on one side of the thermal expansion material part 40 close to the light source 70, and the reflector 50 is used for reflecting light generated by the light source 70 to the photoelectric; when a problem to be detected needs to be detected, the heat absorbing layer 20 absorbs heat in an environment to be detected, the heat transfer layer 30 transfers the heat to the thermal expansion material portion 40, the thermal expansion material portion 40 expands under the action of temperature, since the thickness of one end of the thermal expansion material portion 40 close to the light source 70 is smaller than that of one end far away from the light source 70, the deformation of one side close to the light source 70 is smaller than that of one side far away from the light source 70, and since the reflector 50 is disposed on one side of the thermal expansion material portion 40 close to the light source 70, under the action of temperature, the included angle between the reflector 50 and the light source 70 changes, that is, the optical signal of the light source 70 received by the reflector 50 decreases, so that the amount of light generated by the light source 70 and reflected to the photoelectric conversion layer 60 by the reflector 50 decreases, and the current generated on the photoelectric conversion layer 60 changes accordingly, the temperature to be measured is obtained by detecting the current on the photoelectric conversion layer 60 and according to the corresponding relationship between the current and the temperature to be measured.
The application provides a temperature detection system, temperature detection system includes: the temperature detection device comprises an electric energy meter, a computer and the temperature detection device, wherein the computer and the electric energy meter are sequentially electrically connected with a photoelectric conversion layer 60 of the temperature detection device, the electric energy meter is used for detecting the current of the photoelectric conversion layer 60, and the computer is used for obtaining the temperature to be detected according to the corresponding relation between the current detected by the electric energy meter and the temperature to be detected.
The invention has the beneficial effects that:
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 (9)

1. A temperature detection device, characterized in that the temperature detection device comprises: the device comprises a shell, a heat absorption layer, a heat transfer layer, a thermal expansion material part, a reflector, a photoelectric conversion layer and a light source; the shell is of a cavity structure, the heat absorbing layer, the heat transfer layer, the thermal expansion material part, the reflector, the photoelectric conversion layer and the light source are all arranged in the shell, wherein the light source is arranged at the bottom in the shell, the photoelectric conversion layer is arranged on the inner wall of the shell adjacent to the light source, the heat absorbing layer is arranged on the surface in the shell opposite to the light source, the included angle between the heat absorbing layer and the light source is less than 90 degrees, the heat absorbing layer is made of a heat absorbing material, the heat transfer layer is arranged on one side of the heat absorbing layer close to the light source, the thermal expansion material part is arranged on one side of the heat transfer layer close to the light source, the thickness of one end of the thermal expansion material part close to the light source is smaller than that of one end far away from the light source, and the reflector is arranged on one side of the thermal expansion material part close to the light source, the reflector is used for reflecting the light generated by the light source to the photoelectric conversion layer.
2. The temperature detection device of claim 1, wherein the temperature detector further comprises a light shield disposed outside the photoelectric conversion layer of the housing and the light source.
3. The temperature detection apparatus according to claim 2, wherein the thermally-expansible material portion and the reflecting mirror are plural in number, and the plural reflecting mirrors are each provided on a side of the plural thermally-expansible material portions close to the light source.
4. A temperature sensing device according to claim 3, wherein the material of the heat sink layer is a black chrome coating.
5. The temperature detection device of claim 4, wherein the photoelectric conversion layer and the light source are perpendicular to each other inside the housing.
6. The temperature detection apparatus according to claim 5, wherein the thermally-expansible material portion is internally doped with thermally-conductive particles.
7. The temperature detecting device according to claim 6, wherein the material of the heat conducting particles is silver or copper.
8. The temperature detecting device according to any one of claims 1 to 7, wherein the heat absorbing layer is provided with a plurality of protrusions or a plurality of grooves on a side away from the light source.
9. A temperature detection system, comprising: the temperature detection device comprises an electric energy meter, a computer and the temperature detection device as claimed in any one of claims 1 to 8, wherein the computer and the electric energy meter are sequentially electrically connected with a photoelectric conversion layer of the temperature detection device, the electric energy meter is used for detecting the current of the photoelectric conversion layer, and the computer is used for obtaining the temperature to be detected according to the corresponding relation between the current detected by the electric energy meter and the temperature to be detected.
CN202110484075.1A 2021-04-30 2021-04-30 Temperature detection device and system Pending CN113074829A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103333A (en) * 1980-01-23 1981-08-18 Toshiba Corp Temperature detector
US5929440A (en) * 1996-10-25 1999-07-27 Hypres, Inc. Electromagnetic radiation detector
CN1384343A (en) * 2002-06-12 2002-12-11 符建 Light-sensing temperature monitor
CN2558974Y (en) * 2002-06-22 2003-07-02 符建 Optoelectronic temp. monitoring device
CN2558976Y (en) * 2002-07-01 2003-07-02 符建 Intensity modulated optic sensing temp. monitoring device
US6856714B1 (en) * 2003-12-26 2005-02-15 Council Of Scientific And Industrial Research Fiber optic point temperature sensor
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CN111289140A (en) * 2020-03-05 2020-06-16 金华伏安光电科技有限公司 Temperature sensor and system based on optical fiber structure
CN111486984A (en) * 2020-06-02 2020-08-04 西安柯莱特信息科技有限公司 Temperature sensor of piezoelectric film bulk wave resonator
CN112484876A (en) * 2020-11-27 2021-03-12 西安柯莱特信息科技有限公司 Temperature sensor and system based on inverse Faraday effect
CN112484877A (en) * 2020-11-27 2021-03-12 西安柯莱特信息科技有限公司 Temperature sensor and system based on inverse Faraday

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