CN201726471U - Intelligent infrared camera - Google Patents
Intelligent infrared camera Download PDFInfo
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- CN201726471U CN201726471U CN2010202011313U CN201020201131U CN201726471U CN 201726471 U CN201726471 U CN 201726471U CN 2010202011313 U CN2010202011313 U CN 2010202011313U CN 201020201131 U CN201020201131 U CN 201020201131U CN 201726471 U CN201726471 U CN 201726471U
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Abstract
The utility model discloses an intelligent infrared camera, comprising an optical lens, infrared lamps arranged around the optical lens, an optical imaging sensor corresponding to the optical lens, an image processor electrically connected with the optical imaging sensor and an infrared lamps brightness regulating module electrically connected with the image processor. The intelligent infrared camera of the utility model senses overall light by the optical lens, collects light by the optical imaging sensor and processes images by the image processor at the rear end, so as to cause a change in overall image parameters, and thus the infrared light changes according to the demand. The intelligent infrared camera is practical and has no installation restriction.
Description
Technical field
The utility model relates in particular to a kind of intelligent thermal camera that is used for safety-protection system about a kind of security protection equipment.
Background technology
Along with science and technology development, camera head is applied to every field widely, and security protection video camera industry generally needs day and night to monitor at present, and promptly whole day all had outstanding effect in 24 hours, and reasonable effect generally can both be arranged under well-lighted situation daytime, problem has just concentrated on evening.The light in evening generally all compares secretly, and the optical imaging sensor that video camera imaging relies on mainly is the extraneous light of induction and is converted into the signal of telecommunication.Relatively dark even not have under the light situation generally all be by widening the time for exposure at light, gain amplifier value object, but image noise at this time is very big, can not meet the demands.So shining the environment light filling for video camera is exactly the most direct method, light filling generally is to use infrared light, because the infrared light human eye can not be caught, but the optical imaging sensor of video camera can be responded to infrared light, be equivalent to strengthen extraneous light by the people for adding infrared light, like this even can reach under the fully unglazed situation of external environment and monitor.But common thermal camera still has problems, this infrared lamp is constant opening back brightness, when the optical lens focal length variations caused focusing on light on the transducer light and changes, entire image can be brighter or relatively darker, because Infrared at this time is constant.
Because there is above this deficiency in common thermal camera, people have developed the demand that intelligent thermal camera satisfies the monitoring in evening again gradually.After infrared lamp was opened at night, the light intensity of infrared lamp changed, and the immediate cause of this variation is the variation of electric current.Infrared light intensity changed automatically when light changed in some cases, and the image of irradiated object just shows relatively evenly, the local dark partially or bright partially of common thermal camera can not occur.At present, the variation that existing intelligent thermal camera on the market generally adopts photo resistance to come the perception ambient lighting, and then the opening and closing of realization control light filling lamp.Yet, this method all needs to adopt photo resistance, the direct impact effect of mounting means that this photo resistance induction mode at first is exactly photo resistance, as just can not experience the light on right side in the left side, upside can not be experienced the light of downside, the centre is that the optical lens zone is to install here, and photo resistance can only reflect the light variation that shines the photo resistance this point and cause infrared intensity variations that engineering is very restricted on using.Moreover, adopt the mode of photo resistance induction, not only to reserve the space of installing in the camera head for photo resistance, also can promote the cost of oneself because of photo resistance.
The utility model content
The purpose of this utility model is, a kind of intelligent thermal camera is provided, and its project installation restriction simple in structure, no does not need to install the adjusting that photo resistance can well realize infrared light intensity, can reduce equipment cost to a certain extent;
Another purpose of the present utility model is, a kind of intelligent thermal camera is provided, it responds to overall light by optical lens, optical imaging sensor is to the collection of light, the rear end image processor is handled image and is caused general image parameter overall variation and cause variation, cause infrared light intensity to change as required, practicality is comparatively extensive, does not have the project installation restriction.
To achieve these goals, the utility model provides a kind of intelligent thermal camera, comprising: optical lens, be located at infrared lamp around the optical lens, the optical imaging sensor corresponding with optical lens, the image processor that electrically connects with optical imaging sensor, and and the infrared lamp brightness regulation module of image processor electric connection; During work, this optical lens induction overall light, optical imaging sensor is gathered light, and image processor is handled image and caused the variation of general image parameter, and infrared lamp brightness regulation module is regulated the infrared lamp intensity variations according to the variation of this general image parameter.
Described optical imaging sensor is single sweep CCD optical imaging sensor or two scanning CCD optical imaging sensor.
Comprise white balance processing unit, exposure-processed unit, color processing unit in the described image processor, reach video encoding unit.
The beneficial effects of the utility model: intelligent thermal camera of the present utility model, it is simple in structure, does not need to install the adjusting that photo resistance can well realize infrared light intensity, can reduce equipment cost to a certain extent; In addition, the utility model is responded to overall light by optical lens, optical imaging sensor is to the collection of light, the rear end image processor is handled image and is caused general image parameter overall variation and cause variation, cause infrared light intensity to change as required, practicality is comparatively extensive, does not have the project installation restriction.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
In the accompanying drawing,
Fig. 1 is the module diagram of the utility model intelligence thermal camera;
Fig. 2 is the signal processing flow figure between image processor and the infrared lamp brightness regulation module in the utility model.
Embodiment
For further setting forth technological means and the effect thereof that the utility model is taked, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
As shown in Figure 1, the utility model provides a kind of intelligent thermal camera, comprising: optical lens 10, be located at infrared lamp 20 around the optical lens 10, the optical imaging sensor 30 corresponding with optical lens 10, the image processor 40 that electrically connects with optical imaging sensor 30, and and the infrared lamp brightness regulation module 50 of image processor 40 electric connections; During work, these optical lens 10 induction overall light, 30 pairs of light of optical imaging sensor are gathered, and image processor 40 is handled images and caused the variation of general image parameter, and infrared lamp brightness regulation module 50 is regulated infrared lamp 20 intensity variations according to the variation of this general image parameter.
In the utility model, optical imaging sensor 30 can be selected single sweep CCD optical imaging sensor or two scanning CCD optical imaging sensor for use.Comprise white balance processing unit, exposure-processed unit, color processing unit in the image processor 40, reach video encoding unit.
When intelligent thermal camera of the present utility model is worked, it is by optical lens 10 induction overall light, when light changes, the focal length of optical lens 10 increases or reduces, the ambient light light intensity that shines on the optical pickocff 30 can change, optical pickocff 30 is sensed this part light variation and the output corresponding electric signal is located to the image processor 40 of rear end, reason image processor 40 receives the signal of telecommunication of optical pickocff 30, handles, reaches video signal coding by color treatments, white balance and handle the output composite video signal.As shown in Figure 2, back-end processor 40 output composite video signals, composite video signal sync Y Signal Separation goes out luminance signal, the luminance signal analog quantity converts digital signal to, digital signal enters image processor 40, this image processor 40 is handled and is fed back pulse width modulating signal, and infrared lamp 20 is regulated brightness according to this pulse width modulating signal, thereby makes image even.In some cases, when light changed, infrared lamp 20 luminous intensities changed automatically, and the image of irradiated object just shows relatively evenly, the local dark partially or bright partially drawback of common thermal camera can not occur.In the utility model, it is stronger that described luminance signal is then reacted in the scene light by force, and intelligent thermal camera dies down the infrared lamp light intensity anti-phase adjusting; If then react a little less than the luminance signal in the scene light a little less than, intelligent thermal camera makes infrared lamp light intensity grow with anti-phase adjusting.We know from experience this benefit very significantly in the actual use, when someone when this intelligence thermal camera is walked about, the human agent face picture of this intelligent thermal camera reaction is even, thereby the people's that under complete dark surrounds, also can distinguish one from the other details, and common thermal camera human agent light is strong excessively, whole whiting, the details of can not distinguishing one from the other does not reach round-the-clock monitoring effect.
In sum, intelligent thermal camera of the present utility model, it is simple in structure, does not need to install the adjusting that photo resistance can well realize infrared light intensity, can reduce equipment cost to a certain extent; In addition, the utility model is responded to overall light by optical lens, optical imaging sensor is to the collection of light, the rear end image processor is handled image and is caused general image parameter overall variation and cause variation, cause infrared light intensity to change as required, practicality is comparatively extensive, does not have the project installation restriction.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.
Claims (3)
1. intelligent thermal camera, it is characterized in that, comprising: optical lens, be located at infrared lamp around the optical lens, the optical imaging sensor corresponding with optical lens, the image processor that electrically connects with optical imaging sensor, and and the infrared lamp brightness regulation module of image processor electric connection.
2. intelligent thermal camera as claimed in claim 1 is characterized in that, described optical imaging sensor is single sweep CCD optical imaging sensor or two scanning CCD optical imaging sensor.
3. intelligent thermal camera as claimed in claim 1 is characterized in that, comprises white balance processing unit, exposure-processed unit, color processing unit in the described image processor, reaches video encoding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202011313U CN201726471U (en) | 2010-05-21 | 2010-05-21 | Intelligent infrared camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202011313U CN201726471U (en) | 2010-05-21 | 2010-05-21 | Intelligent infrared camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726471U true CN201726471U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202011313U Expired - Fee Related CN201726471U (en) | 2010-05-21 | 2010-05-21 | Intelligent infrared camera |
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| CN (1) | CN201726471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410794A (en) * | 2014-12-23 | 2015-03-11 | 深圳市保千里电子有限公司 | Digital camera with night vision function |
| TWI704405B (en) * | 2018-03-05 | 2020-09-11 | 廖彩姿 | Visible light camera light source switching adjustment module |
-
2010
- 2010-05-21 CN CN2010202011313U patent/CN201726471U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410794A (en) * | 2014-12-23 | 2015-03-11 | 深圳市保千里电子有限公司 | Digital camera with night vision function |
| TWI704405B (en) * | 2018-03-05 | 2020-09-11 | 廖彩姿 | Visible light camera light source switching adjustment module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20180521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |