CN209805953U - Double-spectrum temperature measurement camera - Google Patents
Double-spectrum temperature measurement camera Download PDFInfo
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- CN209805953U CN209805953U CN201921314499.8U CN201921314499U CN209805953U CN 209805953 U CN209805953 U CN 209805953U CN 201921314499 U CN201921314499 U CN 201921314499U CN 209805953 U CN209805953 U CN 209805953U
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Abstract
The utility model provides a double-spectrum temperature measurement camera, which comprises a thermal imaging module, a visible light imaging module, a video frame composite coding module, a BT1120/BT656 frame coding module, an image processing module and a shell; the thermal imaging module comprises a thermal imaging driving unit, a thermal imaging acquisition unit, a temperature measurement unit and a thermal radiation data processing unit; the thermal radiation data processing unit receives image information of the thermal imaging acquisition unit and temperature information of the temperature measurement unit; the output end of the thermal radiation data processing unit is in communication connection with the input end of the video frame composite coding module; the output end of the video frame composite coding module is in communication connection with the input end of the BT1120/BT656 frame coding module; the output end of the BT1120/BT656 frame coding module is connected with the input end of the image processing module; the output end of the visible light imaging module is connected with the input end of the image processing module. The double-spectrum temperature measurement camera integrates infrared thermal imaging, infrared temperature measurement and visible light imaging, and can independently complete temperature measurement and alarm linkage.
Description
Technical Field
The utility model relates to a two spectrum camera equipment technical field, in particular to two spectrum temperature measurement cameras.
Background
The dual-spectrum camera is a camera device capable of collecting and processing visible light and infrared light band images, and obtains an enhanced fusion image by simultaneously collecting the visible light images and the infrared images and by using an image fusion technology to be compatible with the advantages of the two images. As shown in fig. 2, a conventional dual-spectrum camera includes an infrared thermal imaging module for acquiring a thermal imaging image sequence of a monitored area; the visible light imaging module is used for acquiring a visible light image sequence of the monitoring area; and the image processing module is used for identifying the target area in the thermal imaging image sequence of the monitoring area, and performing data fusion on the thermal imaging image sequence of the target area and the visible light image sequence at the same moment to generate a fusion image sequence of the target area. And the infrared imaging module identifies a suspicious target area in the monitoring area, so that the visible light imaging module follows the identification result of the infrared imaging module in real time and keeps consistent with the monitoring visual angle of the infrared imaging module. The method can not only ensure the definition of the monitoring details of the target area, but also realize real-time detection and tracking.
Although the infrared image of the traditional dual-spectrum camera can reflect the heat radiation intensity information of the target, the infrared image cannot provide the temperature data of the detected target like an infrared thermometer. In many industries, such as security monitoring places like petrifaction, electric power, edge and sea defense, dangerous goods storage yards, parks, ports and docks, fire fighting and the like, clear visible light image and thermal radiation image information are concerned, temperature change of a target needs to be monitored in real time, and alarm is given out in a quick linkage mode under the condition that temperature is abnormal. Therefore, there is a need for a camera capable of performing thermographic thermometry in a dual-spectrum imaging system.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the background technology, the utility model provides a dual-spectrum temperature measurement camera, which comprises a thermal imaging module, a visible light imaging module, a video frame composite coding module, a BT1120/BT656 frame coding module, an image processing module and a shell;
the thermal imaging module comprises a thermal imaging driving unit, a thermal imaging acquisition unit, a temperature measurement unit and a thermal radiation data processing unit; the thermal imaging driving unit receives the image information generated by the thermal imaging acquisition unit and controls the thermal imaging acquisition unit to respectively carry out zooming and focusing operations by generating a thermal imaging zooming control signal and a thermal imaging focusing driving signal; the thermal radiation data processing unit receives image information of the thermal imaging acquisition unit and temperature information of the temperature measurement unit;
The output end of the thermal radiation data processing unit is in communication connection with the input end of the video frame composite coding module; the output end of the video frame composite coding module is in communication connection with the input end of the BT1120/BT656 frame coding module; the output end of the BT1120/BT656 frame coding module is connected with the input end of the image processing module; the output end of the visible light imaging module is connected with the input end of the image processing module;
The thermal imaging module, the visible light imaging module, the video frame composite encoding module, the BT1120/BT656 frame encoding module and the image processing module are all disposed within the housing.
Furthermore, the thermal radiation data processing unit is realized based on an FPGA chip, comprises a thermal imaging detector data input interface, converts the thermal radiation raw data acquired from the thermal imaging sensor into video frame data, and converts the thermal radiation raw data into temperature frame data according to the temperature data calibrated on site.
Furthermore, the video frame composite coding module is realized based on an FPGA chip and comprises a video frame data input interface, a temperature frame data input interface, a video frame data output interface and a fusion logic circuit for synthesizing the video frame data and the temperature frame data into video frame data with a larger resolution.
further, the visible light imaging module comprises a visible light imaging driving unit and a visible light imaging acquisition unit;
the visible light imaging driving unit comprises an integrated chip, a visible light imaging zoom lens group motor driving circuit and a visible light imaging focusing lens group motor driving circuit;
The visible light imaging acquisition unit comprises a visible light imaging zoom lens group, a visible light imaging focusing lens group and a visible light imaging detector.
Furthermore, the thermal imaging driving unit comprises an integrated chip, a thermal imaging zoom lens group motor driving circuit and a thermal imaging focusing lens group motor driving circuit.
furthermore, the thermal imaging acquisition unit comprises a thermal imaging zoom lens group, a thermal imaging focusing lens group and a thermal imaging detector.
Further, the BT1120/BT656 frame coding module is implemented based on an FPGA chip, and comprises a video frame data input interface, a BT1120/BT656 coding output interface, and a data conversion logic circuit for converting video frame data into BT656/BT601 standard data and outputting the data.
Further, the image processing module is realized based on an SOC processor, comprises two BT1120/BT656 coding input interfaces, and is simultaneously accessed into a visible light video frame and thermal imaging video frame data compounded with a temperature frame.
the utility model provides a dual-spectrum temperature measurement camera integrates infrared thermal imaging, infrared temperature measurement, visible light imaging three together to can accomplish temperature measurement and warning linkage alone.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a dual-spectrum temperature measurement camera provided by the present invention;
Fig. 2 is a schematic diagram of a conventional dual-spectrum camera structure.
The attached drawings are as follows:
100 thermal imaging module 110 thermal imaging drive unit 120 thermal imaging acquisition unit
130 temperature measurement unit 140 thermal radiation data processing unit 200 visible light imaging module
210 visible light imaging drive unit 220 visible light imaging acquisition unit 300 video frame composite coding module
400 BT1120/BT656 frame coding 500 image processing module
Module
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that the terms "central", "longitudinal", "transverse" and "longitudinal" are used,
upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner,
The references to "outside" or the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
fig. 1 is a schematic structural diagram of a dual-spectrum thermometry camera according to the present invention, as shown in fig. 1, a dual-spectrum thermometry camera includes a thermal imaging module 100, a visible light imaging module 200, a video frame composite encoding module 300, a BT1120/BT656 frame encoding module 400, an image processing module 500, and a housing;
The thermal imaging module 100 comprises a thermal imaging driving unit 110, a thermal imaging acquisition unit 120, a temperature measurement unit 130 and a thermal radiation data processing unit 140; the thermal imaging driving unit 110 receives the image information generated by the thermal imaging collecting unit 120, and controls the thermal imaging collecting unit 120 to perform zooming and focusing operations respectively by generating a thermal imaging zooming control signal and a thermal imaging focusing driving signal; the thermal radiation data processing unit 140 receives the image information of the thermal imaging acquisition unit 120 and the temperature information of the temperature measurement unit 130;
The output end of the thermal radiation data processing unit 140 is in communication connection with the input end of the video frame composite encoding module 300; an output of the video frame composite encoding module 300 is communicatively coupled to an input of the BT1120/BT656 frame encoding module 400; an output of the BT1120/BT656 frame encoding module 400 is connected to an input of the image processing module 500; the output end of the visible light imaging module 200 is connected with the input end of the image processing module 500;
The thermal imaging module 100, the visible light imaging module 200, the video frame composite encoding module 300, the BT1120/BT656 frame encoding module 400, and the image processing module 500 are disposed within the housing 600.
In specific implementation, as shown in fig. 1, the thermal imaging driving unit 110 includes an integrated chip, a thermal imaging zoom lens group motor driving circuit, and a thermal imaging focusing lens group motor driving circuit; the thermal imaging zoom lens group motor driving circuit and the thermal imaging focusing lens group motor driving circuit are edited on the integrated chip, so that the thermal imaging driving unit 110 generates a thermal imaging zoom control signal and a thermal imaging focusing driving signal according to thermal imaging image information.
The thermal imaging acquisition unit 120 comprises a thermal imaging zoom lens group, a thermal imaging focusing lens group and a thermal imaging detector, and is used for acquiring thermal imaging information and outputting video frame data; when thermal imaging image information is collected, zooming and focusing operations are respectively carried out according to a thermal imaging zooming control signal and a thermal imaging focusing driving signal;
The temperature measuring unit 130 is a temperature measuring detector and is configured to collect temperature information and output temperature frame data;
The thermal radiation data processing unit 140 is implemented based on an FPGA chip, includes a thermal imaging detector data input interface, converts thermal radiation raw data acquired from a thermal imaging sensor into video frame data, and converts the thermal radiation raw data into temperature frame data according to temperature data calibrated on site. The thermal radiation data processing unit 140 outputs the video frame data and the temperature frame data to the video frame composite encoding module 300 through 2 independent hardware channels;
The video frame composite encoding module 300 is implemented based on an FPGA chip, and includes a video frame data input interface, a temperature frame data input interface, a video frame data output interface, and a fusion logic circuit that synthesizes video frame data and temperature frame data into video frame data with a higher resolution. The video frame composite encoding module 300 combines a plurality of different resolution video frames (or different types of data) together according to a certain sequence to form a complete video frame with a larger resolution and outputs the video frame to the BT1120/BT656 frame encoding module 400, so as to realize the uniform encoding of a plurality of different resolution data frames in one video frame. According to different application scenes, various types of data frames can be encoded and decoded by the method.
the BT1120/BT656 frame coding module 400 is implemented based on an FPGA chip, and includes a video frame data input interface, a BT1120/BT656 coding output interface, and a data conversion logic circuit for converting video frame data into BT656/BT601 standard data and outputting the data. The BT1120/BT656 encoding module 400 encodes the composite video frame data into BT656/BT601 standard data and outputs the BT656/BT601 standard data to the image processing module 500.
the visible light imaging module 200 includes a visible light imaging driving unit 210 and a visible light imaging collecting unit 220; the visible light imaging driving unit 210 comprises an integrated chip, a visible light imaging zoom lens group motor driving circuit and a visible light imaging focusing lens group motor driving circuit; the visible light imaging collection unit 220 includes a visible light imaging zoom lens group, a visible light imaging focusing lens group, and a visible light imaging detector. The visible light imaging module 200 collects a sequence of visible light images of the monitored area and outputs the sequence of visible light images to the image processing module 500.
The image processing module 500 is implemented based on Haisi Hi35xx series network video SOC processor, comprises two BT1120/BT656 coding input interfaces, and simultaneously accesses a visible light video frame and thermal imaging video frame data compounded with a temperature frame.
the method is characterized in that the synchronous coding design of the thermal image and the visible light dual-channel image is integrated with the same IP output; virtual dual IP transport (NVR compliant access) may also be supported.
It should be noted that, the utility model relates to a what fuse logic circuit, visible light formation of image zoom lens group motor drive circuit, visible light formation of image focus lens group motor drive circuit, thermal imaging zoom lens group motor drive circuit, thermal imaging focus lens group motor drive circuit, data conversion logic circuit all adopted is corresponding conventional circuit in the camera, and the event is not repeated.
Although terms such as thermal imaging module, thermal imaging drive unit, thermal imaging acquisition unit, thermometry unit, thermal radiation data processing unit, visible light imaging module, visible light imaging drive unit, visible light imaging acquisition unit, video frame composite encoding module, BT1120/BT656 frame encoding module, image processing module and housing are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A dual-spectrum thermometry camera, comprising: the video frame composite encoding system comprises a thermal imaging module, a visible light imaging module, a video frame composite encoding module, a BT1120/BT656 frame encoding module, an image processing module and a shell;
The thermal imaging module comprises a thermal imaging driving unit, a thermal imaging acquisition unit, a temperature measurement unit and a thermal radiation data processing unit; the thermal imaging driving unit receives the image information generated by the thermal imaging acquisition unit and controls the thermal imaging acquisition unit to respectively carry out zooming and focusing operations by generating a thermal imaging zooming control signal and a thermal imaging focusing driving signal; the thermal radiation data processing unit receives image information of the thermal imaging acquisition unit and temperature information of the temperature measurement unit;
The output end of the thermal radiation data processing unit is in communication connection with the input end of the video frame composite coding module; the output end of the video frame composite coding module is in communication connection with the input end of the BT1120/BT656 frame coding module; the output end of the BT1120/BT656 frame coding module is connected with the input end of the image processing module; the output end of the visible light imaging module is connected with the input end of the image processing module;
The thermal imaging module, the visible light imaging module, the video frame composite encoding module, the BT1120/BT656 frame encoding module and the image processing module are all disposed within the housing.
2. the dual spectrum thermometry camera of claim 1, wherein: the thermal radiation data processing unit is realized based on an FPGA chip, comprises a thermal imaging detector data input interface, converts thermal radiation original data acquired from a thermal imaging sensor into video frame data, and converts the thermal radiation original data into temperature frame data according to temperature data calibrated on site.
3. The dual spectrum thermometry camera of claim 1, wherein: the video frame composite coding module is realized based on an FPGA chip and comprises a video frame data input interface, a temperature frame data input interface, a video frame data output interface and a fusion logic circuit for synthesizing video frame data and temperature frame data into video frame data with higher resolution.
4. the dual spectrum thermometry camera of claim 1, wherein: the visible light imaging module comprises a visible light imaging driving unit and a visible light imaging acquisition unit;
The visible light imaging driving unit comprises an integrated chip, a visible light imaging zoom lens group motor driving circuit and a visible light imaging focusing lens group motor driving circuit;
The visible light imaging acquisition unit comprises a visible light imaging zoom lens group, a visible light imaging focusing lens group and a visible light imaging detector.
5. the dual spectrum thermometry camera of claim 1, wherein: the thermal imaging driving unit comprises an integrated chip, a thermal imaging zoom lens group motor driving circuit and a thermal imaging focusing lens group motor driving circuit.
6. The dual spectrum thermometry camera of claim 1, wherein: the thermal imaging acquisition unit comprises a thermal imaging zoom lens group, a thermal imaging focusing lens group and a thermal imaging detector.
7. the dual spectrum thermometry camera of claim 1, wherein: the BT1120/BT656 frame coding module is realized based on an FPGA chip, and comprises a video frame data input interface, a BT1120/BT656 coding output interface and a data conversion logic circuit for converting video frame data into BT656/BT601 standard data and outputting the data.
8. The dual spectrum thermometry camera of claim 1, wherein: the image processing module is realized on the basis of an SOC (system on chip) processor, comprises two BT1120/BT656 coding input interfaces, and is used for simultaneously accessing and processing a visible light video frame and thermal imaging video frame data compounded with a temperature frame.
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| CN201921314499.8U CN209805953U (en) | 2019-08-12 | 2019-08-12 | Double-spectrum temperature measurement camera |
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| CN201921314499.8U CN209805953U (en) | 2019-08-12 | 2019-08-12 | Double-spectrum temperature measurement camera |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461374A (en) * | 2020-11-13 | 2021-03-09 | 上海优加利健康管理有限公司 | Infrared temperature measuring equipment |
| CN112629667A (en) * | 2020-12-02 | 2021-04-09 | 众源科技(广东)股份有限公司 | Double-spectrum thermal imaging temperature measurement system |
| CN113537210A (en) * | 2021-05-31 | 2021-10-22 | 浙江大华技术股份有限公司 | Temperature detection method, device, system, computer equipment and storage medium |
-
2019
- 2019-08-12 CN CN201921314499.8U patent/CN209805953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461374A (en) * | 2020-11-13 | 2021-03-09 | 上海优加利健康管理有限公司 | Infrared temperature measuring equipment |
| CN112629667A (en) * | 2020-12-02 | 2021-04-09 | 众源科技(广东)股份有限公司 | Double-spectrum thermal imaging temperature measurement system |
| CN113537210A (en) * | 2021-05-31 | 2021-10-22 | 浙江大华技术股份有限公司 | Temperature detection method, device, system, computer equipment and storage medium |
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