CN111256836A - Infrared temperature measurement real-time recording sensing system based on phase-locked capture technology - Google Patents
Infrared temperature measurement real-time recording sensing system based on phase-locked capture technology Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/025—Interfacing a pyrometer to an external device or network; User interface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Abstract
The invention provides an infrared temperature measurement real-time recording sensing system based on a phase-locked capturing technology, which comprises a central control center, a cloud data center, a temperature measurement hardware system and an alarm system, wherein the central control center comprises a central processing system, a phase-locked capturing module and a 3D visual space model module; according to the invention, a temperature measurement space model is constructed by a 3D visual space model module according to Path and Row values, infrared temperature measurement sensors are layered and respectively placed according to the Path and Row values in an actual temperature measurement space, so that the measured temperature covers a plurality of parts of the space, the integrity of temperature difference record is ensured, phase information of a clock in data recorded by the infrared temperature measurement sensors is received by a wireless communication module and is displayed in the temperature measurement space model through a phase-locked capturing module, the timeliness of data record is ensured, and deviation is avoided.
Description
Technical Field
The invention relates to the technical field of temperature measurement systems, in particular to an infrared temperature measurement real-time recording sensing system based on a phase-locked capturing technology.
Background
In production and life, particularly in some food processing and plant cultivation, a characteristic space is often needed, the temperature in the space is critical, and temperature measurement records need to be carried out on the space;
in the prior art, an infrared temperature measurement sensor is usually and simply placed in a temperature measurement space, the temperature measurement range is limited, temperature differences of different positions still exist in the space, the measured temperature timeliness is low, deviation is easy to occur in recording time, data errors are caused, and regulation and control are affected.
Disclosure of Invention
Aiming at the problems, the invention provides an infrared temperature measurement real-time recording sensing system based on a phase-locked capturing technology, the temperature measured by the system covers a plurality of parts of a space, the integrity of temperature difference recording is ensured, the timeliness of data recording is ensured through a phase-locked capturing module, and the occurrence of deviation is avoided.
In order to solve the problems, the invention provides an infrared temperature measurement real-time recording sensing system based on a phase-locked capturing technology, which comprises a central control center, a cloud data center, a temperature measurement hardware system and an alarm system, wherein the central control center comprises a central processing system, a phase-locked capturing module and a 3D visual space model module, the central processing system comprises a processor and a wireless communication module, a data signal analysis module is arranged in the processor, the wireless communication module is used for acquiring data acquired by the temperature measurement hardware system and transmitting the data to the data signal analysis module, the data signal analysis module is used for storing the data in the cloud data center after analysis, Path and Row values of an actual temperature measurement space are recorded in the 3D visual space model module, and the parameters are stretched and stereoscopically through ArcGIS and Revit software to construct a temperature measurement space model, the model accords with actual coordinates of an actual temperature measurement space, the 3D visual space model module is accessed to a cloud data center and is filled with temperature measurement data in real time, the phase-locked capturing module comprises a phase-locked loop, the phase-locked loop is connected with the wireless communication module and is used for extracting phase information of a clock in the data, and the phase-locked loop comprises a phase discriminator, a frequency modulation clock generator and a loop filter;
the temperature measurement hardware system comprises a display, an infrared temperature measurement sensor and a camera, wherein the display is connected with the 3D visual space model module and displays a temperature measurement space model, the camera shoots an actual image of an actual temperature measurement space and compares the actual image with the temperature measurement space model to ensure identity, the infrared temperature measurement sensor is layered according to Path and Row values and is respectively placed in the actual temperature measurement space, actual coordinates are recorded in the temperature measurement space model, the infrared temperature measurement sensor records real-time temperature data, the real-time temperature data are transmitted to the data signal analysis module through the wireless communication module and are analyzed and then stored in the cloud data center, the temperature measurement space model fills the data of the cloud data center in real time and displays the whole on the display, and meanwhile, the phase-locking capture module extracts phase information of a clock in the wireless communication module for receiving the data recorded by the infrared temperature measurement sensor, displaying the data in a temperature measurement space model and storing the data in a cloud data center;
the cloud data center comprises an Ethernet module, a chart construction module and a cloud database, the Ethernet module is connected to the Internet, and the cloud database comprises a time point classified storage module and a space coordinate classified storage module which are used for storing data in a classified mode.
The further improvement lies in that: the phase detector is used for judging the amplitude of the phase difference between the clock signal output by the phase detector and the clock in the received signal, the frequency modulation clock generator is used for adjusting the frequency and the phase of the clock output signal in the phase detector according to the signal output by the phase detector, so that the phase detector can complete the fixed phase difference function, and the loop filter is used for filtering and smoothing the output signal of the phase detector and filtering the influence of data change and other unstable factors on the whole module.
The further improvement lies in that: in the temperature measurement hardware system, the range of the infrared temperature measurement sensor is 0-45 ℃.
The further improvement lies in that: in the actual temperature measuring space, at least two layers are divided according to Path and Row values, and infrared temperature measuring sensors are respectively arranged and used for respectively measuring the temperatures of at least two parts.
The further improvement lies in that: in the cloud data center, the chart construction module constructs data stored in the cloud database into a chart and a statistical chart form, and is connected with a display to display the chart and the statistical chart, so that temperature transformation is summarized.
The further improvement lies in that: in the cloud data center, the space coordinate classified storage module stores temperature measurement data recorded according to Path and Row values in an actual temperature measurement space in a layered mode, and the time point classified storage module stores temperature measurement data corresponding to phase information of a clock in data extracted by the phase-locked capturing module.
The further improvement lies in that: the alarm system comprises a preset data threshold value module and an alarm buzzer, wherein a temperature measurement threshold value is set in the preset data threshold value module and connected to the temperature measurement space model, the temperature data filled in the temperature measurement space model in real time is monitored, and once the temperature measurement data is larger than the set threshold value, the alarm buzzer is started to give out an alarm sound.
The invention has the beneficial effects that: the invention constructs a temperature measurement space model according to Path and Row values through a 3D visual space model module, and in an actual temperature measurement space, infrared temperature measurement sensors are layered and respectively placed according to Path and Row values, so that the measured temperature covers a plurality of parts of the space, the integrity of temperature difference record is ensured, phase information of a clock in data recorded by the infrared temperature measurement sensors is received by a phase-locked capturing module and is displayed in the temperature measurement space model, the timeliness of data record is ensured, the deviation is avoided, meanwhile, the constructed temperature measurement space model can be displayed on a display screen, the temperature data and the coordinates of the measured space are conveniently and visually penetrated, the data is constructed into a chart and statistical graph form by matching with a chart construction module, the temperature conversion is conveniently summarized, even if the temperature is adjusted, in addition, once the temperature data is abnormal, a temperature measurement threshold value set in a preset data threshold value module is touched, the alarm buzzer is started to give out alarm sound, so that the temperature is ensured to be normal, and the reliability is improved.
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FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, the embodiment provides an infrared temperature measurement real-time recording sensing system based on a phase-locked capturing technology, which comprises a central control center, a cloud data center, a temperature measurement hardware system and an alarm system, wherein the central control center comprises a central processing system, a phase-locked capturing module and a 3D visual space model module, the central processing system comprises a processor and a wireless communication module, a data signal analysis module is arranged in the processor, the wireless communication module collects data collected by the temperature measurement hardware system and transmits the data to the data signal analysis module, the data signal analysis module stores the data in the cloud data center after analyzing, Path and Row values of an actual temperature measurement space are recorded in the 3D visual space model module, and the parameters are stretched and stereoscopically formed through ArcGIS and Revit software to construct a temperature measurement space model, the model accords with actual coordinates of an actual temperature measurement space, the 3D visual space model module is accessed to a cloud data center and is filled with temperature measurement data in real time, the phase-locked capturing module comprises a phase-locked loop, the phase-locked loop is connected with the wireless communication module and is used for extracting phase information of a clock in the data, and the phase-locked loop comprises a phase discriminator, a frequency modulation clock generator and a loop filter;
the temperature measurement hardware system comprises a display, an infrared temperature measurement sensor and a camera, wherein the display is connected with the 3D visual space model module and displays a temperature measurement space model, the camera shoots an actual image of an actual temperature measurement space and compares the actual image with the temperature measurement space model to ensure identity, the infrared temperature measurement sensor is layered according to Path and Row values and is respectively placed in the actual temperature measurement space, actual coordinates are recorded in the temperature measurement space model, the infrared temperature measurement sensor records real-time temperature data, the real-time temperature data are transmitted to the data signal analysis module through the wireless communication module and are analyzed and then stored in the cloud data center, the temperature measurement space model fills the data of the cloud data center in real time and displays the whole on the display, and meanwhile, the phase-locking capture module extracts phase information of a clock in the wireless communication module for receiving the data recorded by the infrared temperature measurement sensor, displaying the data in a temperature measurement space model and storing the data in a cloud data center;
the cloud data center comprises an Ethernet module, a chart construction module and a cloud database, the Ethernet module is connected to the Internet, and the cloud database comprises a time point classified storage module and a space coordinate classified storage module which are used for storing data in a classified mode.
The phase detector is used for judging the amplitude of the phase difference between the clock signal output by the phase detector and the clock in the received signal, the frequency modulation clock generator is used for adjusting the frequency and the phase of the clock output signal in the phase detector according to the signal output by the phase detector, so that the phase detector can complete the fixed phase difference function, and the loop filter is used for filtering and smoothing the output signal of the phase detector and filtering the influence of data change and other unstable factors on the whole module.
In the temperature measurement hardware system, the range of the infrared temperature measurement sensor is 0-45 ℃.
In the actual temperature measurement space, the temperature measurement space is divided into three layers according to the Path value and the Row value, and infrared temperature measurement sensors are respectively placed for respectively measuring the temperatures of the three parts.
In the cloud data center, the chart construction module constructs data stored in the cloud database into a chart and a statistical chart form, and is connected with a display to display the chart and the statistical chart, so that temperature transformation is summarized.
In the cloud data center, the space coordinate classified storage module stores temperature measurement data recorded according to Path and Row values in an actual temperature measurement space in a layered mode, and the time point classified storage module stores temperature measurement data corresponding to phase information of a clock in data extracted by the phase-locked capturing module.
The alarm system comprises a preset data threshold value module and an alarm buzzer, wherein a temperature measurement threshold value is set in the preset data threshold value module and connected to the temperature measurement space model, the temperature data filled in the temperature measurement space model in real time is monitored, and once the temperature measurement data is larger than the set threshold value, the alarm buzzer is started to give out an alarm sound.
The invention constructs a temperature measurement space model according to Path and Row values through a 3D visual space model module, and in an actual temperature measurement space, infrared temperature measurement sensors are layered and respectively placed according to Path and Row values, so that the measured temperature covers a plurality of parts of the space, the integrity of temperature difference record is ensured, phase information of a clock in data recorded by the infrared temperature measurement sensors is received by a phase-locked capturing module and is displayed in the temperature measurement space model, the timeliness of data record is ensured, the deviation is avoided, meanwhile, the constructed temperature measurement space model can be displayed on a display screen, the temperature data and the coordinates of the measured space are conveniently and visually penetrated, the data is constructed into a chart and statistical graph form by matching with a chart construction module, the temperature conversion is conveniently summarized, even if the temperature is adjusted, in addition, once the temperature data is abnormal, a temperature measurement threshold value set in a preset data threshold value module is touched, the alarm buzzer is started to give out alarm sound, so that the temperature is ensured to be normal, and the reliability is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an infrared temperature measurement real-time recording sensing system based on phase-locked technique of catching which characterized in that: the device comprises a central control center, a cloud data center, a temperature measurement hardware system and an alarm system, wherein the central control center comprises a central processing system, a phase-locked capturing module and a 3D visual space model module, the central processing system comprises a processor and a wireless communication module, a data signal analysis module is arranged in the processor, the wireless communication module collects data collected by the temperature measurement hardware system and transmits the data to the data signal analysis module, the data signal analysis module stores the data in the cloud data center after analysis, the 3D visual space model module records Path and Row values of an actual temperature measurement space, the parameters are stretched and stereoscopically through ArcGIS and Revit software to construct a temperature measurement space model, the model conforms to actual coordinates of the actual temperature measurement space, and the 3D visual space model module is connected into the cloud data center, filling temperature measurement data in real time, wherein the phase-locked capturing module comprises a phase-locked loop, the phase-locked loop is connected with the wireless communication module and extracts phase information of a clock in the data, and the phase-locked loop comprises a phase discriminator, a frequency modulation clock generator and a loop filter;
the temperature measurement hardware system comprises a display, an infrared temperature measurement sensor and a camera, wherein the display is connected with the 3D visual space model module and displays a temperature measurement space model, the camera shoots an actual image of an actual temperature measurement space and compares the actual image with the temperature measurement space model to ensure identity, the infrared temperature measurement sensor is layered according to Path and Row values and is respectively placed in the actual temperature measurement space, actual coordinates are recorded in the temperature measurement space model, the infrared temperature measurement sensor records real-time temperature data, the real-time temperature data are transmitted to the data signal analysis module through the wireless communication module and are analyzed and then stored in the cloud data center, the temperature measurement space model fills the data of the cloud data center in real time and displays the whole on the display, and meanwhile, the phase-locking capture module extracts phase information of a clock in the wireless communication module for receiving the data recorded by the infrared temperature measurement sensor, displaying the data in a temperature measurement space model and storing the data in a cloud data center;
the cloud data center comprises an Ethernet module, a chart construction module and a cloud database, the Ethernet module is connected to the Internet, and the cloud database comprises a time point classified storage module and a space coordinate classified storage module which are used for storing data in a classified mode.
2. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 1, wherein: the phase detector is used for judging the amplitude of the phase difference between the clock signal output by the phase detector and the clock in the received signal, the frequency modulation clock generator is used for adjusting the frequency and the phase of the clock output signal in the phase detector according to the signal output by the phase detector, so that the phase detector can complete the fixed phase difference function, and the loop filter is used for filtering and smoothing the output signal of the phase detector and filtering the influence of data change and other unstable factors on the whole module.
3. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 1, wherein: in the temperature measurement hardware system, the range of the infrared temperature measurement sensor is 0-45 ℃.
4. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 1, wherein: in the actual temperature measuring space, at least two layers are divided according to Path and Row values, and infrared temperature measuring sensors are respectively arranged and used for respectively measuring the temperatures of at least two parts.
5. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 1, wherein: in the cloud data center, the chart construction module constructs data stored in the cloud database into a chart and a statistical chart form, and is connected with a display to display the chart and the statistical chart, so that temperature transformation is summarized.
6. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 5, wherein: in the cloud data center, the space coordinate classified storage module stores temperature measurement data recorded according to Path and Row values in an actual temperature measurement space in a layered mode, and the time point classified storage module stores temperature measurement data corresponding to phase information of a clock in data extracted by the phase-locked capturing module.
7. The infrared temperature measurement real-time recording sensing system based on the phase-locked capturing technology as claimed in claim 1, wherein: the alarm system comprises a preset data threshold value module and an alarm buzzer, wherein a temperature measurement threshold value is set in the preset data threshold value module and connected to the temperature measurement space model, the temperature data filled in the temperature measurement space model in real time is monitored, and once the temperature measurement data is larger than the set threshold value, the alarm buzzer is started to give out an alarm sound.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039946A (en) * | 2020-07-28 | 2020-12-04 | 金鹏智能家居有限公司 | Intelligent household alarm system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020116200A1 (en) * | 1992-11-09 | 2002-08-22 | J. Sam Cureton | Satellite based global positioning system for feedlot computer network and method |
| CN1415137A (en) * | 1999-11-18 | 2003-04-30 | 李京浩 | Zero-delay buffer circuit for spread spectrum clock system and method |
| CN103580681A (en) * | 2012-07-31 | 2014-02-12 | 上海联影医疗科技有限公司 | Phase-locked loop phase difference adjusting device |
| CN110472327A (en) * | 2019-08-08 | 2019-11-19 | 叁晟科华(上海)信息技术有限公司 | The space-time system design method of city multilayer temperature and humidity perception |
| CN110892794A (en) * | 2017-07-26 | 2020-03-17 | 昕诺飞控股有限公司 | System and method for displaying street lighting levels |
-
2020
- 2020-03-19 CN CN202010196821.2A patent/CN111256836A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020116200A1 (en) * | 1992-11-09 | 2002-08-22 | J. Sam Cureton | Satellite based global positioning system for feedlot computer network and method |
| CN1415137A (en) * | 1999-11-18 | 2003-04-30 | 李京浩 | Zero-delay buffer circuit for spread spectrum clock system and method |
| CN103580681A (en) * | 2012-07-31 | 2014-02-12 | 上海联影医疗科技有限公司 | Phase-locked loop phase difference adjusting device |
| CN110892794A (en) * | 2017-07-26 | 2020-03-17 | 昕诺飞控股有限公司 | System and method for displaying street lighting levels |
| CN110472327A (en) * | 2019-08-08 | 2019-11-19 | 叁晟科华(上海)信息技术有限公司 | The space-time system design method of city multilayer temperature and humidity perception |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039946A (en) * | 2020-07-28 | 2020-12-04 | 金鹏智能家居有限公司 | Intelligent household alarm system |
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