CN201509249U - Monitoring camera lens with function of defocusing alarm - Google Patents
Monitoring camera lens with function of defocusing alarm Download PDFInfo
- Publication number
- CN201509249U CN201509249U CN2009202040544U CN200920204054U CN201509249U CN 201509249 U CN201509249 U CN 201509249U CN 2009202040544 U CN2009202040544 U CN 2009202040544U CN 200920204054 U CN200920204054 U CN 200920204054U CN 201509249 U CN201509249 U CN 201509249U
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- camera lens
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Abstract
The utility model provides a monitoring camera lens with the function of defocusing alarm, which solves the technical problem that a recorded picture is unclear and even lost due to image defocusing as a result of reasons of the camera lens itself. The monitoring camera lens adopts the following technical scheme: the monitoring camera lens comprises a camera lens shell, a lens with a video collecting circuit, a central controller and a network interface; an alarm circuit is arranged in the circuit structure of the camera lens, a data storage unit with a standard focus image compressing code is arranged in the central controller, the central controller sends a control signal to the input end of the alarm circuit after carrying out processing, and the alarm circuit outputs an alarm signal to remind working personnel to carry out manual focusing. The monitoring camera lens has the following advantages: the monitoring camera lens can carry out automatic focusing and can ensure the definition of images shot in real time; the alarm circuit which is additionally arranged can tell the working personnel when the shot images are unclear; the definition of the images and standard image information can be displayed on a monitor in the form of figures, so as to be convenient for the working personnel to monitor and adjust.
Description
Technical field
The utility model relates to the video acquisition device that a kind of safety-security area is used, and especially can carry out behind the intellectual analysis automatic focusing and send the video acquisition camera of warning lens focus.
Background technology
For video monitoring, picture quality is most important, and the focus adjustment of camera is to guarantee the most important link of image definition.The image that the tradition camera is shot with video-corder, when needs playback road monitoring video carries out incident forensics, the monitor staff tends to find because the image that various reasons such as camera fault cause loses burnt, cause the video recording fuzzy pictures unclear even lose, cause difficulty to incident forensics, the effect of video monitoring is had a greatly reduced quality.In the traditional video surveillance system, mainly rely on the method for human eye observation whether to exist mistake Jiao to judge, and then camera is carried out the focal length adjustment video image.The burnt detection method of the mistake of this manual type, the defective that has two aspects: on the one hand, fast development along with the video monitoring industry, the number of cameras of custom system constantly increases, obviously, a huge supervisory control system relies on the mode of artificial observation inspection to monitor camera status merely, can't find in time that video camera loses burnt fault, let alone in time safeguard.On the other hand,, depend merely on human eye observed image definition and focus, have very mistake and regulate difficulty big, be difficult to focal length of camera is adjusted to optimum state for the video camera that needs the manual adjustments focal length.Up to the present, prior art does not also have to solve well image and loses Jiao, causes the problem that the video recording fuzzy pictures is unclear even lose, and has brought not convenient to this area.
Summary of the invention
The purpose of this utility model is in order to solve because the image that the camera self reason causes loses burnt, cause the technical problem that the video recording fuzzy pictures is unclear even lose, designed a kind of monitoring camera that loses burnt warning function that has, data storage cell is integrated in the central controller, carries out focus adjustment by detecting the automatic control in contrast back focusing motor.
The utility model for realizing the technical scheme that goal of the invention adopts is, a kind of monitoring camera with the burnt warning function of mistake, comprise head shell in the structure of camera, the camera lens that has video capture circuit, central controller, network interface, the image information that camera collects camera lens is sent to user's monitor by network interface after central controller is handled, also be provided with warning circuit in the circuit structure of above-mentioned camera, data storage cell with standard focal length image compression encoding is set in the central controller, central controller sends the input that controls signal to warning circuit after handling, and warning circuit outputting alarm signal carries out manual focusing with the prompting staff.
The operation principle of the video camera of the utility model design is: camera carries out video image acquisition in real time by video capture circuit, the image information that collects is detected comparison with the data storage cell that digitally encoded signal sends in the central controller, when find to collect not fogging clear the time, focal length or excessive or too small, the focal length and the camera point that are camera do not match, central controller sends to warning circuit with control signal, warning circuit sends alarm signal makes the staff learn that this moment, image lost Jiao, is convenient to the staff and safeguards.
The beneficial effects of the utility model are can automatic focusing, guarantee the definition of real-time photographic images, avoid the obliterated data because of not fogging Chu; Increase warning circuit, when take not fogging clear the time convey to the staff by warning circuit so that the staff carries out manual operation; Image definition and standard picture information can be shown with digital form on the monitor, make things convenient for the staff to monitor and adjust.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
In the accompanying drawing, the 1st, video capture circuit, the 2nd, the A/D change-over circuit, the 3rd, encoder, the 4th, central controller, 4-1 are data storage cells, the 5th, network interface, the 6th, monitor, the 7th, focusing motor circuit, the 8th, warning circuit.
Embodiment
Referring to Fig. 1, a kind of monitoring camera with the burnt warning function of mistake, comprise head shell in the structure of camera, the camera lens that has video capture circuit 1, central controller 4, network interface 5, the image information that camera collects camera lens is sent to user's monitor 6 by network interface 5 after central controller 4 is handled, it is characterized in that: also be provided with warning circuit 8 in the circuit structure of described camera, data storage cell 4-1 with standard focal length image compression encoding is set in the central controller 4, send the input that controls signal to warning circuit 8 after central controller 4 is handled, warning circuit 8 outputting alarm signals carry out manual focusing with the prompting staff.
The operation principle of the video camera of the utility model design is: camera carries out video image acquisition in real time by video capture circuit 1, the data storage cell 4-1 that the image information that collects is sent in the central controller 4 detects comparison, when find to collect not fogging clear the time, focal length or excessive, or it is too small, the focal length and the camera point that are camera do not match, central controller 4 sends to warning circuit 8 with control signal, warning circuit 8 sends alarm signal makes the staff learn that this moment, image lost Jiao, be convenient to the staff and safeguard, solved human eye and be difficult to the technical problem that observed image loses Jiao.
Because the staff need be responsible for a large amount of watch-dogs, come owing to be busy with one's work when having little time camera lens safeguarded as the staff, also be provided with focusing motor circuit 7 in the above-mentioned camera lens, the digital image information that the real-time receiver, video Acquisition Circuit 1 of data storage cell 4-1 is sent, after the analyzing and processing with central controller 4 among the data storage cell 4-1 canonical parameter relatively, central controller 4 sends to focusing motor circuit 7 with control signal by the driving interface that is provided with on the focusing motor circuit 7 and carries out automatic focusing.
Above-mentioned video capture circuit 1 is gathered the arbitrary region module map picture of fixed point image.In case when mobile human body or object block camera watch region, camera lens can be gathered the zone that is not blocked, can not have influence on this principle of readability of image according to the variation of camera watch region, as long as certain regions module image is clearly, the entire image picture all is clearly so.
At above-mentioned video capture circuit 1, enumerate two types image acquisition device, first kind, acquisition elements in the above-mentioned video capture circuit 1 adopts metal-oxide semiconductor (MOS) cmos image collector, in circuit structure, be provided with encoder 3, be sent to the input of central controller 4 after encoded device 3 encoding process of digital signal of video capture circuit 1 with the output of cmos image collector.Because the cmos image collector self has the digital signal output interface, therefore, need not increase A/D change-over circuit 2.
Second kind, acquisition elements in the above-mentioned video capture circuit 1 adopts electric charge coupling ccd image collector, also be provided with A/D change-over circuit 2 in circuit structure, video capture circuit 1 is sent to the image information of ccd image collector collection the input of central controller 4 after A/D change-over circuit 2 and encoder 3 processing.The ccd image collector does not generally have analog to digital converter, need increase A/D change-over circuit 2 when therefore exporting, so that encoder 3 carries out encoding process.
Alarm element in the above-mentioned warning circuit 8 adopts buzzer or LED display lamp.
The normal video image of storing among video image that above-mentioned monitor 6 can be gathered video capture circuit 1 and the data storage cell 4-1 shows with the digital coding form.
The utility model is when concrete the use, at first video capture circuit 1 carries out video acquisition, and be converted to the digital signal that computer can be discerned and transmit, according to after the image processing of real-time collection with data storage cell 4-1 in judge whether after the standard picture rich in detail coding contrast of storing to take place to lose burnt, when normal nothing is lost Jiao, the I/O interface no signal output of warning circuit 8, monitor 6 output pictures rich in detail, and demonstration focusing accuracy numerical value, described focusing accuracy value, be meant not current camera focal length value and the relative reference value of the burnt threshold value of mistake when burnt take place to lose, can be with a kind of patterned symbolic representation intensity, also can be with concrete numeric representation size.When camera is lost Jiao, burnt alarm signal is lost in the I/O interface output of warning circuit 8, and monitor 6 outputs are because of the incorrect blurred picture of gathering of camera focal length, and burnt numerical value is lost in demonstration, the burnt numerical value of described mistake is meant with the burnt degree of the mistake of a kind of patterned symbol or concrete numeric representation.The alarm signal of exporting when losing Jiao and with reference to losing the focal power value is adjusted the camera focal length, can finish the accurate focusing of camera.
Claims (7)
1. one kind has the monitoring camera that loses burnt warning function, comprise head shell in the structure of camera, the camera lens that has video capture circuit (1), central controller (4), network interface (5), the image information that camera collects camera lens is sent to user's monitor (6) by network interface (5) after central controller (4) is handled, it is characterized in that: also be provided with warning circuit (8) in the circuit structure of described camera, data storage cell (4-1) with standard focal length image compression encoding is set in the central controller (4), central controller (4) sends the input that controls signal to warning circuit (8) after handling, and warning circuit (8) outputting alarm signal carries out manual focusing with the prompting staff.
2. a kind of monitoring camera that loses burnt warning function that has according to claim 1, it is characterized in that: also be provided with focusing motor circuit (7) in the described camera lens, the digital image information that the real-time receiver, video Acquisition Circuit (1) of data storage cell (4-1) is sent, after the analyzing and processing with central controller (4) in the data storage cell (4-1) canonical parameter relatively, central controller (4) is gone up the driving interface that is provided with control signal by focusing motor circuit (7) and is sent to focusing motor circuit (7) and carry out automatic focusing.
3. a kind of monitoring camera that loses burnt warning function that has according to claim 1 and 2, it is characterized in that: described video capture circuit (1) is gathered the arbitrary region module map picture of fixed point image.
4. a kind of monitoring camera that loses burnt warning function that has according to claim 1, it is characterized in that: the acquisition elements in the described video capture circuit (1) adopts metal-oxide semiconductor (MOS) cmos image collector, in circuit structure, be provided with encoder (3), be sent to the input of central controller (4) after the encoded device of digital signal (3) encoding process of video capture circuit (1) with the output of cmos image collector.
5. a kind of monitoring camera that loses burnt warning function that has according to claim 1, it is characterized in that: the acquisition elements in the described video capture circuit (1) adopts electric charge coupling ccd image collector, also be provided with A/D change-over circuit (2) in circuit structure, the image information that video capture circuit (1) is gathered the ccd image collector is sent to the input of central controller (4) after A/D change-over circuit (2) and encoder (3) processing.
6. a kind of monitoring camera that loses burnt warning function that has according to claim 1, it is characterized in that: the alarm element in the described warning circuit (8) adopts buzzer or LED display lamp.
7. a kind of monitoring camera that loses burnt warning function that has according to claim 1 is characterized in that: the normal video image of storage shows with the digital coding form in video image that described monitor (6) can be gathered video capture circuit (1) and the data storage cell (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040544U CN201509249U (en) | 2009-08-26 | 2009-08-26 | Monitoring camera lens with function of defocusing alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040544U CN201509249U (en) | 2009-08-26 | 2009-08-26 | Monitoring camera lens with function of defocusing alarm |
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| Publication Number | Publication Date |
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| CN201509249U true CN201509249U (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202040544U Expired - Lifetime CN201509249U (en) | 2009-08-26 | 2009-08-26 | Monitoring camera lens with function of defocusing alarm |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989372A (en) * | 2010-11-01 | 2011-03-23 | 西南石油大学 | Human identification-based household anti-theft method and device |
| CN103281319A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Intelligent transformer substation video monitoring linked function information model abiding by IEC61850 |
| CN104469151A (en) * | 2014-11-29 | 2015-03-25 | 深圳市金立通信设备有限公司 | Terminal |
| CN104601879A (en) * | 2014-11-29 | 2015-05-06 | 深圳市金立通信设备有限公司 | Focusing method |
| CN105704378A (en) * | 2016-02-29 | 2016-06-22 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| CN110557558A (en) * | 2018-05-31 | 2019-12-10 | 丰田自动车株式会社 | Object monitoring device |
| CN113660393A (en) * | 2021-07-08 | 2021-11-16 | 上海途悠信息科技有限公司 | Service window double-recording system |
-
2009
- 2009-08-26 CN CN2009202040544U patent/CN201509249U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989372A (en) * | 2010-11-01 | 2011-03-23 | 西南石油大学 | Human identification-based household anti-theft method and device |
| CN103281319A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Intelligent transformer substation video monitoring linked function information model abiding by IEC61850 |
| CN104469151A (en) * | 2014-11-29 | 2015-03-25 | 深圳市金立通信设备有限公司 | Terminal |
| CN104601879A (en) * | 2014-11-29 | 2015-05-06 | 深圳市金立通信设备有限公司 | Focusing method |
| CN105704378A (en) * | 2016-02-29 | 2016-06-22 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| CN110557558A (en) * | 2018-05-31 | 2019-12-10 | 丰田自动车株式会社 | Object monitoring device |
| CN110557558B (en) * | 2018-05-31 | 2021-07-06 | 丰田自动车株式会社 | Object monitoring device |
| CN113660393A (en) * | 2021-07-08 | 2021-11-16 | 上海途悠信息科技有限公司 | Service window double-recording system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100616 |
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| CX01 | Expiry of patent term |