CN112461371A - Portable thermal imager system with laser range finder - Google Patents
Portable thermal imager system with laser range finder Download PDFInfo
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- CN112461371A CN112461371A CN202011247756.8A CN202011247756A CN112461371A CN 112461371 A CN112461371 A CN 112461371A CN 202011247756 A CN202011247756 A CN 202011247756A CN 112461371 A CN112461371 A CN 112461371A
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- temperature
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- range finder
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000009529 body temperature measurement Methods 0.000 claims description 15
- 238000004861 thermometry Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
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Classifications
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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
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
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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
- G01J5/80—Calibration
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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 a portable thermal imager system with a laser range finder, which comprises a mobile terminal, a portable thermal image detection head connected with the mobile terminal and a laser range finder connected with the mobile terminal, wherein the laser range finder is arranged on the mobile terminal; the portable thermal image detection head comprises a connection port connected with the mobile terminal and an infrared detector connected with the connection port; the laser ranging device comprises a wireless communication module connected with the mobile terminal and a laser range finder connected with the wireless communication module; the laser range finder is used for detecting the distance of a target object and sending the distance to the mobile terminal through the wireless communication module in an encrypted or unencrypted mode; the mobile terminal is used for sending the distance data detected by the laser range finder to the infrared detector; the infrared detector is used for acquiring an infrared image of a target object after data initialization and data calibration of the infrared detector are carried out through the received distance data, and transmitting the acquired infrared image to the mobile terminal through a communication line connected with the connecting port.
Description
Technical Field
The invention relates to the technical field of thermal imaging, in particular to a portable thermal imager system with a laser range finder.
Background
At present, the portable thermal imager is more widely applied in the aspects of equipment fault detection and diagnosis, material defect detection and evaluation, building energy conservation evaluation, automatic monitoring and testing of industrial production process, product quality monitoring, disaster reduction and prevention and the like; wherein, at the electric power routing inspection in-process in high tension transmission iron tower and the transformer substation, in order to improve the efficiency that detects, measurement personnel need carry out the temperature measurement to high tension transmission iron tower through portable thermal imager to analytical equipment's trouble problem. Most of the existing thermal infrared imagers for power inspection are all-in-one machines imported abroad, the distance parameters of the existing thermal infrared imagers need manual input, and the manual input not only makes the operation complicated, but also easily causes human errors to influence the measurement precision; in addition, the cost of the equipment imported from abroad is too high, and the domestic autonomous research and development equipment is adopted to replace imported products, so that economic benefits and social benefits are brought to the society and enterprises.
Therefore, it is necessary to provide an intelligent device scheme to improve the power inspection efficiency and the detection accuracy of the thermal infrared imager. The method is used for obtaining more accurate data information.
Disclosure of Invention
The invention aims to provide a portable thermal imager system with a laser range finder, which is used for realizing the technical effects of intelligentizing power inspection equipment and improving the imaging precision of the portable thermal imager in the power inspection process.
The embodiment of the invention provides a portable thermal imager system with a laser range finder, which comprises a mobile terminal; the portable thermal image detection head is connected with the mobile terminal; and a laser ranging device connected with the mobile terminal; the portable thermal image detection head comprises a connection port connected with the mobile terminal; the infrared detector is connected with the connecting port; the laser ranging device comprises a wireless communication module connected with the mobile terminal; the laser range finder is connected with the wireless communication module; the laser range finder is used for detecting the distance of a target object and sending the distance to the mobile terminal through the wireless communication module in an encrypted or unencrypted mode; the mobile terminal is used for sending the distance data detected by the laser range finder to the infrared detector; the infrared detector is used for acquiring an infrared image of a target object after data initialization and data calibration of the infrared detector are carried out through the received distance data, and transmitting the acquired infrared image to the mobile terminal through a communication line connected with the connecting port.
Further, the mobile terminal comprises a control panel, wherein the control panel comprises an image shooting module, and the image shooting module is used for shooting and storing the current infrared image.
Further, the control panel further comprises a temperature early warning module for carrying out early warning prompt on the over-temperature object in the current infrared image according to the configured temperature threshold value.
Furthermore, the control panel further comprises a video recording module, and the video recording module is used for recording and detecting the audio and video.
Further, the control panel further comprises a calibration parameter configuration module, and the calibration parameter configuration module is used for configuring calibration parameters of the temperature of the target object at each detection distance.
Furthermore, the control panel also comprises a temperature measurement mode selection module; the temperature measurement mode selection module comprises a point temperature measurement unit, a line temperature measurement unit and a region temperature measurement unit; the point temperature measuring unit is used for detecting the temperature of the selected point in the infrared image; the line temperature measuring unit is used for detecting the highest temperature and the lowest temperature on a mark line selected from the infrared image; the area temperature measuring unit is used for detecting the highest temperature and the lowest temperature in the detection frame selected from the infrared image.
Furthermore, the portable thermal image detection head also comprises a first DC/DC converter, and the input end of the first DC/DC converter is connected with the connecting port; and the output end of the first DC/DC converter is connected with the infrared detector.
Further, the laser ranging device further comprises a second DC/DC converter; a power supply module connected to the second DC/DC converter; and the output end of the second DC/DC converter is respectively connected with the laser range finder and the wireless communication module.
Further, the mobile terminal is a mobile phone or a tablet computer.
The beneficial effects that the invention can realize are as follows: according to the portable thermal imager system, the portable thermal image detection head is directly connected with the mobile terminal, the distance and the infrared image detected by the portable thermal image detection head are processed through the mobile terminal, and then the calibrated infrared image is displayed on the mobile terminal, so that the infrared image precision in the power inspection process is improved, and the portable thermal imager system is more convenient to use.
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 of the present invention 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 view of a topology structure of a portable thermal imager system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a mobile terminal topology structure according to an embodiment of the present invention.
Icon: 10-portable thermal imager system; 100-a mobile terminal; 110-a control panel; 111-an image capture module; 112-temperature early warning module; 113-a video module; 114-a calibration parameter configuration module; 115-temperature measurement mode selection module; 200-portable thermal image detection head; 210-a connection port; 220-a first DC/DC converter; 230-infrared detector; 300-a laser ranging device; 310-a wireless communication module; 320-laser rangefinder; 330-a power supply module; 340-a second DC/DC converter; 400-cloud server.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments 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. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a topology structure of a portable thermal imager system according to an embodiment of the present invention; fig. 2 is a schematic diagram of a mobile terminal topology structure according to an embodiment of the present invention.
The embodiment of the invention provides a portable thermal imager system 10 with a laser range finder 320, which comprises a mobile terminal 100; a portable thermal image detection head 200 connected to the mobile terminal 100; and a laser ranging device 300 connected to the mobile terminal 100; the portable thermographic detection head 200 comprises a connection port 210 connected with the mobile terminal 100; an infrared detector 230 is connected with the connection port 210; the laser ranging apparatus 300 includes a wireless communication module 310 connected to the mobile terminal 100; a laser range finder 320 connected to the wireless communication module 310; the laser range finder 320 is configured to detect a distance to a target object and send the distance to the mobile terminal 100 through the wireless communication module 310 in an encrypted or unencrypted manner; the mobile terminal 100 is configured to send distance data detected by the laser range finder 320 to the infrared detector 230; the infrared detector 230 is configured to perform data initialization and data calibration on the infrared detector 230 according to the received distance data, acquire an infrared image of the target object, and send the acquired infrared image to the mobile terminal 100 through a communication line connected to the connection port 210.
For example, the mobile terminal 100 may be a mobile phone, a tablet computer, or other electronic devices with image display function. Wireless communication modules (such as a bluetooth module, a WiFi module, a 4G/5G chip, etc.) may be disposed inside the laser ranging device 300 and the mobile terminal 100, and data interaction is performed through the wireless communication modules in an encrypted or unencrypted manner. The connection port 210 of the portable thermographic inspection head 200 may be an adsorption type connection port. A program for performing infrared image calibration according to distance may be downloaded in the mobile terminal 100. When the program is established, distance-temperature change curves and error scale factor fitting curves of a plurality of targets with known temperatures at different measurement distances of the thermal imager can be obtained firstly (the error scale factor fitting curves are error scale factor-distance curves obtained by fitting the difference value between the detected absolute temperature and the ideal temperature and the detected distance), and the actually-measured temperature curve is corrected to be the ideal temperature curve through the error scale factor fitting curves, so that the thermal imager maintains the temperature value in the ideal state along with the change of the measured distance. When error scale factor fitting curves of the target object at multiple temperatures are obtained, fitting can be carried out on the error scale factor fitting curves to obtain temperature error curves for correcting the multiple temperatures; and then obtaining a corresponding calibration expression according to the temperature error curve, and constructing a corresponding program according to the calibration expression.
In one embodiment, the portable thermal imager system 10 further includes a cloud server 400 connected to the mobile terminal 100; the cloud server 400 is configured to store data sent by the mobile terminal 100, so as to prevent the mobile terminal 100 from occupying too much storage space; meanwhile, the cloud server 400 may be further configured to analyze and manage the transmitted data, and dispatch a work order to the mobile terminal 100 of each inspector.
In an embodiment, a user may set temperature calibration parameters under various temperature and humidity conditions in the mobile terminal 100, and then the mobile terminal 100 calibrates the acquired infrared image when performing actual detection.
In one embodiment, the mobile terminal 100 includes a control panel 110; the control panel 110 includes an image capturing module 111, and the image capturing module 111 is used for capturing and storing the current infrared image. Specifically, the mobile terminal 100 may be a mobile phone or a tablet computer with a touch display screen, and a corresponding image capturing operation interface may be set on the mobile terminal 100.
In one embodiment, the control panel 110 further includes a temperature early warning module 112, and the temperature early warning module 112 may perform early warning prompt on an over-temperature object in the current infrared image according to a configured temperature threshold. Specifically, a corresponding over-temperature positioning operation interface may be set on the mobile terminal 100, in the over-temperature positioning operation interface, a user may set an upper limit temperature value, and then the mobile terminal 100 positions a position exceeding the upper limit temperature value in the infrared image according to the set upper limit temperature value and performs a blinking prompt and a voice alarm.
In one embodiment, the control panel 110 further includes a thermometry mode selection module 115; the temperature measurement mode selection module 115 comprises a point temperature measurement unit, a line temperature measurement unit and a region temperature measurement unit; the point temperature measuring unit is used for detecting the temperature of the selected point in the infrared image; the line temperature measuring unit is used for detecting the highest temperature and the lowest temperature on a mark line selected from the infrared image; the area temperature measuring unit is used for detecting the highest temperature and the lowest temperature in the detection frame selected from the infrared image. With the above embodiment, the user can locate the position in the infrared image by using the mark line or the mark frame, and then the processor in the mobile terminal 100 calls the corresponding recognition program to display the temperature of the located area.
In an embodiment, the control panel 110 further includes a video recording module 113, and the detected audio and video may be recorded according to the requirement of the user through the video recording module 113. Specifically, a corresponding video recording operation interface may be set on the mobile terminal 100, and through the operation interface, the user may open a video recording function and control the start-stop time of video recording.
In one embodiment, the control panel 110 further includes a calibration parameter configuration module 114, and the calibration parameter configuration module 114 can configure the calibration parameters of the target object temperature at each detection distance. Specifically, the manufacturer may construct a calibration parameter curve of the target temperature at different detection distances by analyzing a relationship between the detection distance and the detection error, and then calibrate the target temperature detected at each detection distance according to the calibration parameter curve.
In one embodiment, in order to facilitate comparison by the user, the control panel 110 may further include a visible light image display module, and the visible light image display module may display a visible light image corresponding to the infrared image in a designated area of the control panel 110.
In one embodiment, considering that there may be a difference between a power supply voltage of the infrared detector 230 in the portable thermographic detection head 200 and an output voltage of the mobile terminal 100, the portable thermographic detection head 200 according to an embodiment of the present invention further includes a first DC/DC converter 220, an input end of the first DC/DC converter 220 is connected to the connection port 210; the output of the first DC/DC converter 220 is connected to an infrared detector 230.
In one embodiment, in consideration that the power supply voltages of the laser range finder 320 and the wireless communication module 310 may be different, the laser range finder 300 further includes a second DC/DC converter 340; a power supply module 330 connected to the second DC/DC converter 340; the output end of the second DC/DC converter 340 is connected to the laser range finder 320 and the wireless communication module 310, respectively.
In summary, an embodiment of the present invention provides a portable thermal imager system with a laser range finder, including a mobile terminal; the portable thermal image detection head is connected with the mobile terminal; and a laser ranging device connected with the mobile terminal; the portable thermal image detection head comprises a connection port connected with the mobile terminal; the infrared detector is connected with the connecting port; the laser ranging device comprises a wireless communication module connected with the mobile terminal; the laser range finder is connected with the wireless communication module; the laser range finder is used for detecting the distance of a target object and sending the distance to the mobile terminal through the wireless communication module; the infrared detector is used for acquiring an infrared image of a target object and sending the infrared image to the mobile terminal through a communication line connected with the connection port; the mobile terminal is used for calibrating the temperature data in the infrared image according to the distance; the infrared image precision in the power inspection process is improved, and meanwhile, the use is more convenient.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A portable thermal imager system with a laser range finder is characterized by comprising a mobile terminal; the portable thermal image detection head is connected with the mobile terminal; and a laser ranging device connected with the mobile terminal;
the portable thermal image detection head comprises a connection port connected with the mobile terminal; the infrared detector is connected with the connecting port;
the laser ranging device comprises a wireless communication module connected with the mobile terminal; the laser range finder is connected with the wireless communication module;
the laser range finder is used for detecting the distance of a target object and sending the distance to the mobile terminal through the wireless communication module in an encrypted or unencrypted mode; the mobile terminal is used for sending the distance data detected by the laser range finder to the infrared detector; the infrared detector is used for acquiring an infrared image of a target object after data initialization and data calibration of the infrared detector are carried out through the received distance data, and transmitting the acquired infrared image to the mobile terminal through a communication line connected with the connecting port.
2. The portable thermal imager system of claim 1, wherein the mobile terminal includes a control panel including an image capture module for capturing and storing the current infrared image.
3. The portable thermal imager system of claim 2, wherein the control panel further comprises a temperature pre-warning module for pre-warning and prompting over-temperature objects in the current infrared image according to the configured temperature threshold.
4. The portable thermal imager system of claim 2, wherein the control panel further comprises a video recording module for recording detected audio and video.
5. The portable thermal imager system of claim 2, wherein the control panel further comprises a calibration parameter configuration module configured to configure calibration parameters for target temperature at each detected distance.
6. The portable thermal imager system of claim 2, wherein the control panel further comprises a thermometry mode selection module; the temperature measurement mode selection module comprises a point temperature measurement unit, a line temperature measurement unit and a region temperature measurement unit; the point temperature measuring unit is used for detecting the temperature of the selected point in the infrared image; the line temperature measuring unit is used for detecting the highest temperature and the lowest temperature on a mark line selected from the infrared image; the area temperature measuring unit is used for detecting the highest temperature and the lowest temperature in the detection frame selected from the infrared image.
7. The portable thermal imager system of claim 1, wherein the portable thermal image detection head further comprises a first DC/DC converter, an input end of the first DC/DC converter being connected to the connection port; and the output end of the first DC/DC converter is connected with the infrared detector.
8. The portable thermal imager system of claim 1, wherein the laser ranging device further comprises a second DC/DC converter; a power supply module connected to the second DC/DC converter; and the output end of the second DC/DC converter is respectively connected with the laser range finder and the wireless communication module.
9. The portable thermal imager system of claim 1, wherein the mobile terminal is a cell phone or a tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247756.8A CN112461371A (en) | 2020-11-10 | 2020-11-10 | Portable thermal imager system with laser range finder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247756.8A CN112461371A (en) | 2020-11-10 | 2020-11-10 | Portable thermal imager system with laser range finder |
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| CN112461371A true CN112461371A (en) | 2021-03-09 |
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| CN202011247756.8A Pending CN112461371A (en) | 2020-11-10 | 2020-11-10 | Portable thermal imager system with laser range finder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018413A (en) * | 2021-10-15 | 2022-02-08 | 深圳供电局有限公司 | Temperature detection device |
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2020
- 2020-11-10 CN CN202011247756.8A patent/CN112461371A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018413A (en) * | 2021-10-15 | 2022-02-08 | 深圳供电局有限公司 | Temperature detection device |
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