CN-122016077-A - Temperature measuring device and method based on fluorescent material

CN122016077ACN 122016077 ACN122016077 ACN 122016077ACN-122016077-A

Abstract

The invention discloses a fluorescent material-based temperature measuring device which comprises a shell, wherein the shell comprises an upper cover, a shell base, an LED light source, a fluorescent material, an optical fiber probe, an optical fiber spectrometer, an optical fiber, a control console, a display screen and a charging device, the charging device comprises a charging hole, a charging wire and a data exchange interface, and the fluorescent material-based temperature measuring method comprises the steps of database input, fluorescent material excitation, light sample acquisition, light component analysis, light parameter transmission, temperature value acquisition and temperature value feedback.

Inventors

ZOU JUN
Xia Bingxuan
YANG JIEXIANG
LIU YUKAI
YANG BOBO
SHI MINGMING

Assignees

上海应用技术大学
温州大学新材料与产业技术研究院

Dates

Publication Date: 20260512
Application Date: 20251229

Claims (10)

1. A fluorescent material-based temperature measurement device, comprising: The shell (1), the shell is a hollow structure for whole detection device provides the accommodation space of components and parts, include: An upper cover (101); a housing base (102); the LED light source (2) is an ultraviolet LED lamp bead and is arranged on the shell base (102); a fluorescent material (3), wherein the fluorescent material (3) is arranged on a light-emitting path of the LED light source (2), and is excited to emit light after being irradiated by the LED light source (2); the optical fiber probe (4) is arranged in the shell base (102) and connected with the fluorescent material (3) and is used for detecting various parameters of light emitted by the fluorescent material (3) when excited; the optical fiber spectrometer (6) is arranged in the shell base (102), connected with the optical fiber probe (4) and used for receiving various parameters of light detected by the optical fiber probe (4); The optical fiber (5) is arranged in the shell base (102) and is used for connecting the optical fiber probe (4) and the optical fiber spectrometer (6) and transmitting signals between the optical fiber probe and the optical fiber spectrometer; The control console (7) is arranged in the shell base (102), internally stores databases corresponding to the combination of all the optical parameters and the temperature, is connected with the optical fiber spectrometer (6) component through a flat cable, and is used for receiving signals from the optical fiber spectrometer (6) and outputting temperature values, and in addition, is also used for controlling the emission of working instructions of all the elements of the whole device; the display screen (8) is arranged in the shell base (102) and is used for receiving the temperature value output by the control console (7) and feeding back the temperature value to a user, and in addition, the display screen can also receive instructions from the user and perform corresponding operations.
2. A fluorescent material based temperature measuring device as claimed in claim 1, characterized in that the surface of the upper cover (101) is provided with holes, the positions of which correspond to the display screen (8) in the housing base (102).
3. A fluorescent material (3) based temperature measuring device according to claim 1, characterized in that the console (7) can interact data with other devices by means of a wired or wireless connection.
4. A fluorescent material based temperature measuring device according to claim 1, characterized in that the fluorescent material (3) is in particular CsSnBr 3 .
5. A fluorescent material-based detection device as claimed in claim 1, characterized in that the fluorescent material (3) is arranged in a carrying structure, the carrying structure is a clamping slot type sheet fixing seat, and the fluorescent material (3) carried by the carrying structure is positioned on the direct path of the LED light source (2) and is positioned in the detection range of the optical fiber probe (4).
6. A temperature measuring method based on fluorescent material, which is applied to the temperature measuring device based on fluorescent material as set forth in the claims 1-5, and is characterized by comprising the following steps: s0, inputting a database, and receiving and storing an optical parameter-temperature database input by a user by a console (7); S1, exciting a fluorescent material (3), wherein a control console (7) controls an LED light source (2) to work at the temperature to be detected, and exciting the fluorescent material (3) CsSnBr 3 ; s2, collecting an optical sample, wherein a control console (7) controls an optical fiber probe (4) to collect the optical sample at the temperature to be measured, and the optical sample is from the light emitted by the fluorescent material (3) after being excited; s3, analyzing light components, wherein a control console (7) controls an optical fiber spectrometer (6) to receive the light sample collected by the optical fiber probe (4) through optical fibers, and analyzing and detecting the light sample; S4, transmitting optical parameters, wherein a control console (7) is used for calling the optical parameters obtained after the analysis and detection of the optical sample in the optical fiber spectrometer (6); s5, obtaining a temperature value, and comparing the optical parameter with a stored optical parameter-temperature database by a control console (7), and determining specific temperature data of the temperature to be detected according to the optical parameter; And S6, feeding back the temperature value, transmitting specific temperature data to a display screen (8) by a control console (7), and feeding back the specific temperature data to a user through the display screen (8).
7. The method of claim 6, wherein the steps S1 to S6 are steps that must be performed each time the method of detecting temperature, and the step S0 is a step that must be performed before the first temperature detection is performed.
8. The method of claim 6, wherein in the step S3, the analysis and detection of the light sample is performed, and specifically, the analysis and detection obtain spectral ratio data, color temperature data, and color coordinate data.
9. The method of claim 6, wherein in S5, the specific temperature data of the temperature to be measured can be determined by comparing in a database using any 1 optical parameters or any 2 optical parameters or 3 optical parameters of the spectral ratio data, the color temperature data, and the color coordinate data.
10. The method for measuring temperature based on fluorescent material as claimed in claim 6, wherein the method for determining specific temperature data of the temperature to be measured in S5 is to match the measured data with a parameter model (spectrum ratio-color temperature-color coordinate-temperature) preset in a database, and calculate the environmental temperature through a neural network algorithm.

Description

Temperature measuring device and method based on fluorescent material Technical Field The invention relates to the technical field of temperature measurement, in particular to a temperature measurement device and method based on fluorescent materials. Background The temperature measurement technology is one technology for measuring the temperature of objects and environment through various physical and chemical principles and methods. In many temperature measurement techniques, since the fluorescent material emits fluorescence when excited by a specific light source, its fluorescence characteristic changes with temperature, and this characteristic makes the fluorescent material an effective temperature sensor. However, in the process of implementing the technical scheme of the embodiment of the application, the inventor discovers that the above technology has at least the following technical problems: the existing fluorescent temperature measuring device has certain limitations in measurement precision and resolution, is difficult to meet the requirement of high-precision temperature measurement due to the stability of a light source and environmental interference, and the fluorescent characteristics of part of fluorescent materials are gradually degraded in the use process, so that the stability and the reliability of the temperature measuring device are affected, and the material replacement cost and the workload are increased. Many existing fluorescent materials contain harmful substances such as lead, cadmium and the like, and the substances are easy to pollute the environment in the use process and can also generate potential harm to human health. In addition, the traditional fluorescent temperature measuring equipment has limited expansibility, is difficult to connect with other equipment and interact data, and limits the application range. Disclosure of Invention The embodiment of the application solves the technical defects that in the prior art, the temperature measurement accuracy and resolution are insufficient, the service life of the fluorescent material is short, toxic and harmful substances or substances which are easy to pollute the environment are often contained, the integration level and the expansion item of the temperature measurement equipment are required to be improved, the improvement of the temperature measurement technical accuracy and resolution is realized, the service life of the fluorescent material is prolonged, the fluorescent material which is harmless and pollution-free is used, the harm to the environment by a human body is reduced, and in addition, the integration level and the expansion of the temperature measurement equipment are improved, so that the equipment can be presented in a more portable form and can be connected with other equipment so as to update the equipment and expand functions. The embodiment of the application provides a temperature measuring device based on fluorescent materials, which comprises: The shell is of a hollow structure and is used for providing an accommodating space for components of the whole detection device, and comprises an upper cover and a shell base, wherein the upper cover and the shell base are used for loading all components of the device and realizing the components; The LED light source is an ultraviolet LED lamp bead and is arranged on the shell base and used for exciting the fluorescent material to make the fluorescent material emit light; The fluorescent material is arranged on the light-emitting path of the LED light source and is excited to emit light after being irradiated by the LED light source; The optical fiber probe is arranged in the shell base, connected with the fluorescent material and used for detecting various parameters of light emitted by the fluorescent material when excited; The optical fiber spectrometer is arranged in the shell base, connected with the optical fiber probe and used for receiving various parameters of light detected by the optical fiber probe; the optical fiber is arranged in the shell base and is used for connecting the optical fiber probe and the optical fiber spectrometer and transmitting signals between the optical fiber probe and the optical fiber spectrometer; the control console is arranged in the shell base, internally stores a database corresponding to each optical parameter combination and temperature, is connected with the optical fiber spectrometer assembly through a flat cable, and is used for receiving signals from the optical fiber spectrometer and outputting temperature values, and in addition, is also used for controlling the emission of working instructions of all elements of the whole device; the display screen is arranged in the shell base and used for receiving the temperature value output by the console and feeding the temperature value back to the user, and in addition, the display screen can also receive the instruction from the user and perform corresponding operat