CN221037692U - Thermal imaging vision system - Google Patents
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- CN221037692U CN221037692U CN202323279105.9U CN202323279105U CN221037692U CN 221037692 U CN221037692 U CN 221037692U CN 202323279105 U CN202323279105 U CN 202323279105U CN 221037692 U CN221037692 U CN 221037692U
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- 230000005855 radiation Effects 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000000007 visual effect Effects 0.000 abstract description 16
- 238000009529 body temperature measurement Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
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- 238000006243 chemical reaction Methods 0.000 description 5
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- 238000013528 artificial neural network Methods 0.000 description 1
- 238000013527 convolutional neural network Methods 0.000 description 1
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Abstract
The present application relates to a thermal imaging vision system. The thermal imaging vision system includes: the device comprises a projection plane, a heat map detection assembly, a heat map processing assembly and a projection assembly; the acquisition area of the heat map detection assembly is matched with the projection area of the projection assembly, and the monitoring target is positioned on the projection plane; the heat map detection assembly is used for acquiring a heat map of the monitoring target; the heat map processing component is electrically connected with the heat map detection component and is used for generating temperature information of the monitoring target based on the heat map and sending the temperature information to the projection component; the projection assembly is electrically connected with the heat map processing assembly and is used for projecting temperature information onto a projection plane. The system can achieve the effect of improving the visual degree of the temperature measurement result.
Description
Technical Field
The application relates to the technical field of thermal imagers, in particular to a thermal imaging visual system.
Background
Thermal imaging cameras are widely used today in various fields such as human body temperature measurement, industrial temperature measurement, fire detection, etc., to achieve non-contact measurement of the surface temperature of an object.
The main stream thermal imaging camera performs optical imaging on the outgoing radiation of the target object through a lens, and on the display device, the heat distribution of the target object can be observed, and the surface temperature of the target object can be estimated through a temperature calibration technology, so that the temperature observation and measurement are realized. On the display device, the heat distribution of the target object can be observed, and the surface temperature of the target object can be estimated through a temperature calibration technology, so that the temperature is observed and measured.
However, in the process of using the thermal imaging camera, the temperature detection result cannot directly correspond to the target, but a user is required to visually compare the picture of the display device with the actual position of the object, and the temperature of various targets with the same shape is abnormal, so that comparison errors are easy to occur.
Therefore, the thermal imaging camera of the prior art still has the problem of poor visibility of the temperature measurement results.
Disclosure of utility model
In view of the foregoing, it is desirable to provide a thermal imaging vision system that can improve the visibility of temperature measurement results.
The present embodiment provides a thermal imaging vision system including: the device comprises a projection plane, a heat map detection assembly, a heat map processing assembly and a projection assembly; the acquisition area of the heat map detection assembly is matched with the projection area of the projection assembly, and a monitoring target is positioned on the projection plane;
The heat map detection assembly is used for collecting heat maps of the monitoring targets;
The heat map processing component is electrically connected with the heat map detection component and is used for generating temperature information of the monitoring target based on the heat map and sending the temperature information to the projection component;
the projection component is electrically connected with the heat map processing component and is used for projecting the temperature information onto the projection plane.
In one embodiment, the heat map detection assembly includes: a lens module and a detection module;
The radiation on the surface of the monitoring target passes through the lens module and is focused to the detection module;
The detection module is connected with the heat pattern processing assembly and is used for receiving radiation, generating a heat pattern based on the radiation and transmitting the heat pattern to the heat pattern processing assembly.
In one embodiment, the lens module includes a plurality of optical lenses.
In one embodiment, the detection module includes an infrared detector.
In one embodiment, the heat map processing assembly further comprises a temperature processing module and a memory module,
The storage module is connected with the temperature processing module and used for storing a preset mark content pattern;
The temperature processing module is also used for: and acquiring the identification content pattern, and generating the temperature information based on the heat map and the marking content pattern.
In one embodiment, the heat map processing assembly further comprises a profile recognition module,
The storage module is connected with the contour recognition module and is also used for storing a preset contour recognition model;
The contour recognition module is used for carrying out contour recognition on the heat map based on the contour recognition model to obtain contour information;
The projection component is further configured to project the temperature information onto the projection plane based on the profile information.
In one embodiment, the heat map processing assembly further comprises a coordinate alignment module, the profile recognition module is connected with the projection assembly through the coordinate alignment module,
The coordinate alignment module is used for determining angle adjustment information based on the profile information;
the projection component is also used for adjusting the projection angle based on the angle adjustment information.
In one embodiment, the projection component is a DLP projector.
In one embodiment, the projection assembly is an LCD projector.
In one embodiment, the thermal imaging visual system further includes a screen display component, and the screen display component is connected with the thermal map detection component, and is configured to acquire the thermal map synchronously and display the thermal map on a screen.
The thermal imaging visual system is used for acquiring a thermal image of a monitoring target through the thermal image detection assembly and sending the thermal image to the thermal image processing assembly; the heat map processing component generates temperature information of the monitoring target based on the heat map and sends the temperature information to the projection component; the projection assembly projects the temperature information onto the projection plane, so that analysis can be performed on the detected heat map, and the temperature of the object is projected onto the projection plane, so that a user does not need to compare the visual observation result of the monitored target with the display screen picture, and can directly obtain feedback of the temperature information on the target, thereby achieving the effect of improving the visual degree of the temperature measurement result.
Drawings
FIG. 1 is a block diagram of a thermal imaging vision system in one embodiment;
FIG. 2 is a schematic diagram of a markup content style in one embodiment;
FIG. 3 is a schematic diagram of the relative positions of a thermographic detection assembly and a projection assembly in one embodiment;
FIG. 4 is a schematic diagram of a thermal imaging vision system in another embodiment;
Fig. 5 is a block diagram of a thermal imaging vision system in another embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
In one embodiment, as shown in FIG. 1, a thermal imaging vision system is provided, the thermal imaging vision system comprising: projection plane 100, heat map detection assembly 200, heat map processing assembly 300, and projection assembly 400; wherein, the acquisition area of the heat map detecting component 200 is matched with the projection area of the projection component 400, and the monitoring target is located on the projection plane 100;
the heat map detecting component 200 is configured to collect a heat map of the monitored target;
The heat map processing component 300 is electrically connected with the heat map detecting component 200, and is used for generating temperature information of the monitoring target based on the heat map and sending the temperature information to the projection component 400;
The projection assembly 400 is electrically connected to the heat map processing assembly 300 for projecting the temperature information onto the projection plane 100.
The collection area of the heat map detection assembly 200 is matched with the projection area of the projection assembly 400, so that the projection assembly 400 performs information projection at a nearly uniform angle and position based on the heat map collected by the heat map detection assembly 200, and therefore temperature information can be accurately displayed on the surface of an object or around the object.
The thermal map may be a visual image obtained by quantifying the temperature conditions in the monitoring range based on detection of infrared radiation by means of signal processing, photoelectric conversion, and the like. The heat map detection assembly 200 may be an acquisition assembly for effecting the conversion of infrared radiation into a visual image. The heat map detection assembly 200 is coupled to a heat map processing assembly 300. After the heat map is acquired by the heat map detection assembly 200, the heat maps may be sent to the heat map processing assembly 300, respectively.
The heat map processing component 300 is connected to the heat map detecting component 200, and is configured to generate temperature information of the monitoring target based on the heat map, and may be configured to perform color-temperature conversion based on color information in the heat map, so as to obtain temperature information of the monitoring target. It will be appreciated that in addition to monitoring the temperature information of the target, the thermal map may be based on obtaining temperature information of other areas within the monitored area, such as background temperature, etc. The heat map processing component may send temperature information to the projection component 400 after obtaining temperature information of the monitored target based on the heat map.
The projection module 400 is configured to acquire the temperature information and project the temperature information onto the projection plane 100. The temperature information may be projected onto the projection plane 100, so that the user may intuitively acquire the temperature condition of the monitoring target when observing the target.
The thermal imaging visual system provided by the embodiment acquires the thermal diagram of the monitoring target through the thermal diagram detection component and sends the thermal diagram to the thermal diagram processing component; the heat map processing component generates temperature information of the monitoring target based on the heat map and sends the temperature information to the projection component; the projection assembly projects the temperature information onto the projection plane, so that analysis can be performed on the detected heat map, and the temperature of the object is projected onto the projection plane, so that a user does not need to compare the visual observation result of the monitored target with the display screen picture, and can directly obtain feedback of the temperature information on the target, thereby achieving the effect of improving the visual degree of the temperature measurement result.
In one embodiment, the heat map detection assembly includes: a lens module and a detection module;
The radiation on the surface of the monitoring target passes through the lens module and is focused to the detection module;
The detection module is connected with the heat pattern processing assembly and is used for receiving radiation, generating a heat pattern based on the radiation and transmitting the heat pattern to the heat pattern processing assembly.
The lens module is arranged between the monitoring target and the detection module, so that the detection module obtains radiation from the surface of the monitoring target through the lens module, and the lens module focuses the radiation, so that the radiation in the monitoring range enters the heat map detection module and is collected.
The detection modules are respectively connected with the heat pattern processing assembly, perform photoelectric conversion based on radiation to generate a heat pattern, and send the heat pattern to the heat pattern processing assembly.
In one embodiment, the lens module includes a plurality of optical lenses.
It is understood that the lens module may be mounted with a plurality of optical lenses.
For example, the plurality of optical lenses may be a plurality of optical lenses, and the relative positions of the plurality of optical lenses may be fixed for acquiring a picture of a specific focal length. Further, the relative positions of the optical lenses may be processed based on a custom rule, for example, when an object approaches, the focal length may be reduced by adjusting the distance between the optical lenses.
The plurality of optical lenses can be a plurality of switchable optical lenses, and the plurality of optical lenses can be connected through the adapter ring and can be manually switched by a user, so that the detection module can collect heat maps in a monitoring range through different optical lenses. Further, the plurality of switchable optical lenses may be switched by a custom rule based on a movement condition of a monitoring target, a definition of a picture, and the like in a monitoring range.
In one embodiment, the detection module includes an infrared detector.
An infrared detector (Infrared Detector) is a device that converts an incident infrared radiation signal into an electrical signal for output. The acquisition of the temperature information in the monitoring range can be realized by acquiring the heat map through the infrared detector.
In one embodiment, the heat map processing assembly further comprises a temperature processing module and a memory module,
The storage module is connected with the temperature processing module and used for storing a preset mark content pattern;
The temperature processing module is also used for: and acquiring the identification content pattern, and generating the temperature information based on the heat map and the marking content pattern.
The marking content patterns include but are not limited to text, pictures, videos and the like, the text can be temperature parameters including different fonts, different font sizes and different text colors as shown in fig. 2, the pictures can include warning marks, color solid color blocks or gradient color blocks, thermometer patterns and the like, and the videos can be image changes realized based on changes of monitoring targets in heat maps or corresponding video contents based on current temperature projections of the monitoring targets.
It can be understood that the mark content pattern may be preset and stored in the storage module, the mark content pattern may be provided with a placeholder, the generated temperature information may be temperature data obtained based on heat map conversion, and the placeholder is replaced, so that the instantiated mark content is obtained and displayed as the temperature information.
In one embodiment, the heat map processing assembly further comprises a profile recognition module,
The storage module is connected with the contour recognition module and is also used for storing a preset contour recognition model;
The contour recognition module is used for carrying out contour recognition on the heat map based on the contour recognition model to obtain the contour information;
The projection component is further configured to project the temperature information onto the projection plane based on the profile information.
The profile recognition module is used for recognizing profile information of the monitoring target based on the heat map. Specifically, the contour recognition can be performed on the heat map based on the contour recognition model. The contour recognition model can be a segmentation network, a machine learning model such as a convolutional neural network and a feedforward neural network, and the contour recognition of the heat map by the contour recognition model in the storage module is realized by training the machine learning model in advance.
In one embodiment, the heat map processing assembly further comprises a coordinate alignment module, the profile recognition module is connected with the projection assembly through the coordinate alignment module,
The coordinate alignment module is used for determining angle adjustment information based on the profile information;
the projection component is also used for adjusting the projection angle based on the angle adjustment information.
The coordinate alignment module acquires contour information and determines angle adjustment information for the projection assembly according to the contour information. Further, the relative positions of the projection plane and the heat map detecting component and the projection component can be determined according to the outline of the projection plane in the outline information, so that the angle of the projection component can be determined according to the relative positions.
As shown in fig. 3, in the case that the monitoring target group is horizontally placed, the heat map detecting assembly and the projecting assembly are relatively fixed, and the focusing position of the projector is adjusted by adjusting the angle of the projector, so that clear imaging can be put on the surface of the monitoring target or the adjacent wall surface or the leaning surface, and the temperature information of the monitoring target can be intuitively displayed. Based on the angle adjustment information, the projection angle is adjusted, so that the display effect of the temperature information corresponding to the heat map can be further improved, and the visibility of the heat map is improved.
In one embodiment, the projection component is a DLP projector. The DLP projector is a projection system that uses a DMD chip of a digital micromirror system as an imaging device and projects an image by adjusting reflected light.
In one embodiment, the projection assembly is an LCD projector. The LCD projector uses the electro-optical effect of liquid crystal, i.e., the arrangement of liquid crystal molecules changes under the action of an electric field, to affect the transmittance or reflectance of the liquid crystal cell, thereby affecting its optical properties and producing images with different gray levels and colors.
In one embodiment, the thermal imaging visual system further includes a screen display component, and the screen display component is connected with the thermal map detection component, and is configured to acquire the thermal map synchronously and display the thermal map on a screen.
The screen display component may be a display device such as a display screen, and it is understood that in some relatively extreme environments, such as strong outdoor light, the projection component is limited in display brightness, and temperature information is difficult to observe under the influence of light, so that a user can still obtain the temperature condition in the monitored area through the screen display component by setting the screen display component as a bottom-covered auxiliary.
The application further provides a detailed embodiment for more clearly explaining the technical scheme of the application.
In one embodiment, as shown in fig. 4 and 5, the present embodiment provides a thermal imaging visual system, which includes a projection plane 100, and a heat map detecting component 200, a heat map processing component 300, a projection component 400 and a screen display component 500 connected in sequence, where an acquisition area of the heat map detecting component 200 is matched with a projection area of the projection component; projection assembly 400 may employ a DLP projector 410; a monitoring target is located on the projection plane 100; the heat map processing assembly 300 includes a temperature processing module 310, a profile recognition module 320, a storage module 330, and a coordinate pair Ji Mozu, 440, wherein:
the heat map detecting component 200 is configured to collect a heat map of a monitored target, and send the heat map to the heat map processing component 300.
The heat map detection assembly 200 includes: a lens module 210 and a detection module 220; the radiation on the surface of the monitoring target passes through the lens module 210 and is focused to the detection module 220. The lens module 210 includes a plurality of optical lenses. The detection module 220 includes a plurality of infrared detectors.
The detection module 220 is connected to the temperature processing module 310 and the profile recognition module 320, respectively, and is configured to receive radiation, generate a heat map based on the radiation, and transmit the heat map to the temperature processing module 310 and the profile recognition module 320.
The temperature processing module 310 is connected with the DLP projector 410; for generating temperature information of the monitoring target based on the heat map and transmitting the temperature information to the DLP projector 410.
The profile recognition module 320 is connected to the DLP projector 410; for identifying profile information of the monitoring target based on the heat map and transmitting the profile information to the coordinate alignment module 440. In another embodiment, the profile information may be directly sent to the DLP projector 410, and the DLP projector 410 performs profile alignment with the profile information according to the self-contained image acquisition module, so as to implement adjustment of the projection angle.
The storage module 330 is connected to the temperature processing module 310, and is configured to store a preset mark content pattern; the temperature processing module 310 is further configured to: and acquiring the identification content pattern, and generating the temperature information based on the heat map and the marking content pattern. The storage module 330 is connected to the profile recognition module 320, and is configured to store a preset profile recognition model; the profile recognition module 320 is further configured to: and carrying out contour recognition on the heat map based on the contour recognition model to obtain the contour information.
The profile recognition module 320 is connected to the DLP projector 410 through the coordinate pair Ji Mozu, and the coordinate alignment module 440 is configured to obtain the profile information, and determine angle adjustment information based on the profile information.
The DLP projector 410 is configured to acquire the temperature information and the profile information, or the temperature information and the angle adjustment information, and project the temperature information onto the projection plane. The DLP projector 410 may be replaced by a projection device such as an LCD projector, which is not limited in this embodiment.
The screen display assembly 500 is connected to the heat map detecting assembly 200, and is configured to synchronously acquire the heat map and screen display the heat map.
The thermal imaging visual system provided by the embodiment acquires the thermal diagram of the monitoring target through the thermal diagram detection component and sends the thermal diagram to the thermal diagram processing component; the temperature processing module generates temperature information of a monitoring target based on the heat map and sends the temperature information to the projection assembly; the contour recognition module recognizes contour information of the monitoring target based on the heat map and sends the contour information to the projection assembly; the projection component projects the temperature information onto the projection plane, so that a user does not need to compare the visual observation result of the monitored target with a display screen picture, but can directly obtain feedback of the temperature information on the target, thereby achieving the effect of improving the visual degree of the temperature measurement result. And a plurality of optical lenses are arranged for switching, so that adjustment can be realized according to the movement condition of a monitoring target and the definition of a picture in a monitoring range, and the imaging precision is improved. Through the storage of the mark content patterns, the diversification of temperature information display can be realized, and the temperature information visualization effect is improved. By pre-training the machine learning model and performing contour recognition on the heat map by means of the pre-trained contour recognition model, the accuracy of contour recognition can be improved. And the angle adjustment information is sent to the DLP projector, so that the display effect of the temperature information corresponding to the heat map can be further improved, and the visibility of the heat map is improved. By setting the screen display component as a bottom-covering aid, a user can still acquire the temperature condition in the monitoring area through the screen display component, and the usability of the system in a relatively severe environment is improved.
The user information (including but not limited to user equipment information, user personal information, etc.) and the data (including but not limited to data for analysis, stored data, presented data, etc.) related to the present application are information and data authorized by the user or sufficiently authorized by each party.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.
Claims (10)
1. A thermal imaging vision system, the thermal imaging vision system comprising: the device comprises a projection plane, a heat map detection assembly, a heat map processing assembly and a projection assembly; the acquisition area of the heat map detection assembly is matched with the projection area of the projection assembly, and a monitoring target is positioned on the projection plane;
The heat map detection assembly is used for collecting heat maps of the monitoring targets;
The heat map processing component is electrically connected with the heat map detection component and is used for generating temperature information of the monitoring target based on the heat map and sending the temperature information to the projection component;
the projection component is electrically connected with the heat map processing component and is used for projecting the temperature information onto the projection plane.
2. The thermal imaging vision system of claim 1, wherein the thermal map detection assembly comprises: a lens module and a detection module;
The radiation on the surface of the monitoring target passes through the lens module and is focused to the detection module;
The detection module is connected with the heat pattern processing assembly and is used for receiving radiation, generating a heat pattern based on the radiation and transmitting the heat pattern to the heat pattern processing assembly.
3. The thermal imaging vision system of claim 2, wherein the lens module comprises a plurality of optical lenses.
4. The thermal imaging vision system of claim 2, wherein the detection module comprises an infrared detector.
5. The thermal imaging vision system of claim 1, wherein said thermal map processing assembly further comprises a temperature processing module and a memory module,
The storage module is connected with the temperature processing module and used for storing a preset mark content pattern;
The temperature processing module is also used for: and acquiring the identification content pattern, and generating the temperature information based on the heat map and the marking content pattern.
6. The thermal imaging vision system of claim 1, wherein said thermal map processing assembly further comprises a contour recognition module,
The storage module is connected with the contour recognition module and is also used for storing a preset contour recognition model;
The contour recognition module is used for carrying out contour recognition on the heat map based on the contour recognition model to obtain contour information;
The projection component is further configured to project the temperature information onto the projection plane based on the profile information.
7. The thermal imaging vision system of claim 6, wherein said thermal map processing assembly further comprises a coordinate alignment module, said profile recognition module being coupled to said projection assembly through said coordinate alignment module,
The coordinate alignment module is used for determining angle adjustment information based on the profile information;
the projection component is also used for adjusting the projection angle based on the angle adjustment information.
8. The thermal imaging vision system of claim 1, wherein said projection component is a DLP projector.
9. The thermal imaging vision system of claim 1, wherein said projection assembly is an LCD projector.
10. The thermal imaging vision system of claim 1, further comprising a screen display assembly coupled to the thermal map detection assembly for synchronously acquiring and screen displaying the thermal map.
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| CN202323279105.9U CN221037692U (en) | 2023-11-30 | 2023-11-30 | Thermal imaging vision system |
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| CN202323279105.9U CN221037692U (en) | 2023-11-30 | 2023-11-30 | Thermal imaging vision system |
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