CN201509239U - Telephone alarm system by using vidicon as state change sensor - Google Patents
Telephone alarm system by using vidicon as state change sensor Download PDFInfo
- Publication number
- CN201509239U CN201509239U CN2009201279473U CN200920127947U CN201509239U CN 201509239 U CN201509239 U CN 201509239U CN 2009201279473 U CN2009201279473 U CN 2009201279473U CN 200920127947 U CN200920127947 U CN 200920127947U CN 201509239 U CN201509239 U CN 201509239U
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- vidicon
- computer
- telephone
- telephone alarm
- alarm
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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a telephone alarm system by using a vidicon as a state change sensor which is composed of the vidicon, a computer and a telephone alarm. The vidicon is connected to the computer through the allotted data line, the computer is configured with a memory, an USB interface, a hard disk, a display card and a display, a RS232C interface, an optical disk driver, a keyboard and a mouse, an operation system, a vidicon driving program and a special designed program for monitoring the space state change of the vidicon; the computer is connected to a telephone alarm through the RS232C interface, the telephone alarm connects with the telephone line. The vidicon shoot immediately and transmits the video flow to the computer, the program for monitoring the space state change of the vidicon converts the video file into a bitmap file timely, then, the human or object change in the monitored space is detached by a frame matching algorithm which compares pixel change trend line-by-line, starts shoot and records timely, simultaneously, touches the telephone alarm and implements alarm prompting.
Description
Technical field
The utility model relates to the electronic security(ELSEC) technical field, particularly relates to a kind of video camera that adopts and takes and telephone alarm device as the computer of the transducer of reflection spatiality variation.
Background technology
(file suffixes: the .avi) sight of shooting and the record occasion of being paid close attention to can be used for anti-theft security work to video camera with video format; Not enough is, when having state to take place, and its alerting signal that can not in time give the alarm, in other words, it can not discern the situation of some concern on one's own initiative, and triggering signal can not take place on one's own initiative, implements to report to the police with the operation relevant devices.
In the relevant warning device, telephone alarm is comparatively timely, convenient, and certainly, it need cooperate certain transducer just can carry out burglar alarm work.Common warning has a magnetic, pyroelectric sensing chip, infrared ray, microwave, ultrasonic wave, vibration, smog or gas sensor etc. with transducer.
Telephone alarm cooperates video camera to be used for safety guard, and existing remote alarms voice prompt has videograph again, and the threat that has strengthened warning system is renderd a service.This system configuration needs to adopt certain transducer to make the face of its perception, and when sensor sensing took place to the incident of being concerned about, it produced triggering signal, started telephone alarm and video camera and entered operating state.But video camera is except as taking, and do not see the double alarm sensor of doing as yet.
Summary of the invention
In view of the foregoing, function for the photoelectric sensor of giving full play to video camera, the utility model provides a kind of telephone alerting system of making the state variation transducer with video camera, this system can monitor whether the occasion of being paid close attention to state variation takes place, when the state of wherein object or person changes, it can be taken and record, and sends alarm by telephone line.
The technical scheme that its technical problem that solves the utility model adopts is: video camera is connected to the logical computer of a Daepori by the data wire of its configuration, and internal memory, USB interface, hard disk, display card and display, RS232C interface, CD drive, keyboard and mouse, operating system, camera driver and custom-designed video camera spatiality variation supervisory programme is arranged for this computer configuration; This computer is connected to a telephone alarm by the RS232C interface; This telephone alarm is connected to telephone line.Described video camera is taken immediately and video flowing is transferred to described computer, the described video camera spatiality of described computer configuration changes supervisory programme and earlier this video file is converted to bitmap file immediately, and then adopt the variation of the frame matching algorithm space exploration state of compared pixels variation tendency line by line, in case detecting successively, two framing bit figure are not complementary, the state variation of people or thing promptly takes place in the space that is monitored, just start and take and record, trigger telephone alarm device simultaneously and implement the remote alarms prompting.
Described video camera refers to common commercially available (analog signal) video camera, also can be the digital camera with computer camera (PC CAMera) function.
The beneficial effects of the utility model are that video camera both had been used for taking, and again as the spatiality change sensor, had improved its service efficiency; Therefore, can save other transducers such as cyberdog, the two mirror of microwave, simplify the structure of guard against theft and alarm system.In addition, when the record result only relates to state and changes, be stored in the hard disk of computer, neither need to dispose again the record tape, improved the efficient of retrieve video file afterwards again.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a system block diagram of the present utility model.
Fig. 2 is the flow chart of the camera space state variation supervisory programme of the utility model.
1. video cameras among Fig. 1,2. optical lens, 3.CCD or CMOS chip, 4.USB interface, 5. computer system, 6.USB interface, 7.CPU, 8. internal memory, 9.RS232C interface, 10. display card and display, 11. CD-ROM drives, 12. hard disks, 13. operating system, 14. camera driver, 15. camera space state variation supervisory programmes, 16. telephone alarms.
Embodiment
In Fig. 1, video camera (1) comprises optical lens (2), CCD or CMOS chip (3) and USB interface (4).Video camera (1) works in the style of shooting of video flowing, connected mode for the configuration of computer system (5) and it and computer system (5) all has concrete requirement, relevant details can be referring to concrete video camera product manual, for example, video camera (1) is connected to computer system (5) by the data wire of its placing through USB interface (4) and USB interface (6).After the camera driver (14) that installs the placing on the computer system (5), video camera (1) could coupled computer system (5) use.
Computer system (5) is general type, comprise: USB interface (6), CPU (7), internal memory (8), RS232C interface (9), display card and display (10), CD-ROM drive (11), hard disk (12), operating system (13), the video camera spatiality of camera driver (14) and special configuration changes supervisory programme (15).
Under above-mentioned configuring condition, video camera (1) does not need the video tape of configuration record usefulness in addition, and the record result of state variation is kept in the hard disk (12) of computer system (5).
The major function that the video camera spatiality changes supervisory programme (15) is: 1) extract the video flowing (suffix: avi) that is transferred to computer system (5) from video camera (1) with suitable speed, and (suffix: bmp), temporary then these bitmaps are to hard disk (12) in time to convert the bitmap of the scene that is monitored to.The conversion avi file sees also webpage to the concrete condition of BMP file
Http:// www.shrinkwrapvb.com/avihelp/avihelp.htm2) adopt the frame matching algorithm of compared pixels variation tendency line by line, two two field pictures relatively successively are to judge the situation of change of spatiality.Main points are: i) relative size of the value of a certain pixel of a framing bit figure and its next neighborhood pixels has reflected both light and shade contrasts, though the value of two pixels can change with illumination variation, but in certain limit, its relative size still can continue to reflect both bright-dark degree's difference.Therefore, the variation tendency of this pixel value of two framing bit figure relatively can judge that both variation has taken place.Ii) the incident of Kao Lving be pay close attention to and have or not moving of personnel or bigger object in the occasion, therefore, do not go to carry out matching ratio with not needing view picture view picture bitmap, more promptly can reach rational supervision effect as long as carry out matching ratio line by line, obviously reduce amount of calculation, improved response efficiency.Relevant algorithmic descriptions can be referring to the patent of invention of submitting to recently " with the method and the telephone alarm thereof of computer camera space exploration state variation ".Fig. 2 has provided the flow chart of the camera space state variation supervisory programme (15) of the utility model.
In certain illumination variation scope, if camera space state variation supervisory programme (15) is judged as spatiality variation has taken place, at this moment, computer system (5) is noted the image of taking this moment, and the delivery outlet line TxD that passes through RS232C interface (9) exports the narrow pulse signal of a saltus step to telephone alarm (16), trigger the number that telephone alarm (16) dials and preset automatically, carry out warning reminding.
Claims (2)
1. make the telephone alerting system of state variation transducer with video camera, form by video camera, computer and telephone alarm, it is characterized in that: described video camera is connected to described computer by the data wire of its configuration, and this computer configuration has internal memory, USB interface, hard disk, display card and display, RS232C interface, CD drive, keyboard and mouse, operating system; This computer is connected to a telephone alarm by the RS232C interface; This telephone alarm is connected to telephone line.
2. according to claim 1ly make the telephone alerting system of state variation transducer with video camera, it is characterized in that: described video camera is commercially available common camera, also can be the digital camera with computer camera function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201279473U CN201509239U (en) | 2009-07-07 | 2009-07-07 | Telephone alarm system by using vidicon as state change sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201279473U CN201509239U (en) | 2009-07-07 | 2009-07-07 | Telephone alarm system by using vidicon as state change sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201509239U true CN201509239U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201279473U Expired - Fee Related CN201509239U (en) | 2009-07-07 | 2009-07-07 | Telephone alarm system by using vidicon as state change sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201509239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844829A (en) * | 2016-06-06 | 2016-08-10 | 广西南宁德通网络有限公司 | Image detection anti-theft alarm |
-
2009
- 2009-07-07 CN CN2009201279473U patent/CN201509239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844829A (en) * | 2016-06-06 | 2016-08-10 | 广西南宁德通网络有限公司 | Image detection anti-theft alarm |
| CN105844829B (en) * | 2016-06-06 | 2019-01-18 | 广东衡启科技有限公司 | Image Detective theft-proof alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20110707 |