CN103167277A - Interval image collecting system based on narrow-band transferring - Google Patents
Interval image collecting system based on narrow-band transferring Download PDFInfo
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- CN103167277A CN103167277A CN 201110431057 CN201110431057A CN103167277A CN 103167277 A CN103167277 A CN 103167277A CN 201110431057 CN201110431057 CN 201110431057 CN 201110431057 A CN201110431057 A CN 201110431057A CN 103167277 A CN103167277 A CN 103167277A
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Abstract
The invention discloses an interval image collecting system based on narrow-band transferring. The interval image collecting system based on the narrow-band transferring comprises a camera used for shooting an image, an optical inductor, a signal amplyfying circuit module, an analog to digital (A/D) converting circuit module, a microprocessor module, a controller module and a focusing motor. The optical inductor is used for preventing non-imaging light from entering the camera. The signal enlarging circuit module is used for amplyfying a signal output by the optical inductor. The A/D converting circuit module is used for converting a simulated signal amplified by the signal enlarging circuit into a digital signal. The microprocessor module is used for analyzing and processing data output by the A/D converting circuit module. The data output by the A/D converting circuit module are integrated and tranferred in a narrow-band mode. The controller module is connected with the microprocessor module and used for controlling the operation of the camera. The focusing motor is connected with the controller module and used for adjusting the shooting focal length of the camera. The camera, the optical inductor, the signal enlarging circuit module, the A/D converting circuit module, the microprocessor module, the controller module and the focusing motor are connected in sequence. The controller module is connected with the optical inductor and the focusing motor. The interval image collecting system based on the narrow-band transferring is simple in structure, reasonable in design, convenient to achieve and capable of meeting requirements of some image collecting systems. The interval image collecting system based on the narrow-band transferring can be deployed on the remote infrastructure facilities. The interval image collecting system based on the narrow-band transferring is strong in practicality and high in popularization application value.
Description
Technical field
The present invention relates to a kind of bridge monitoring image capturing system, especially relate to a kind of partition image acquisition system based on narrow band transmission.
Background technology
The building region of Bridges in Our Country relatively disperses, many places are in remote districts, transmission for the image/video information of the bridge in the health detection of bridge, often to the bridge present situation the most intuitively the reaction, and based on the consideration to the bridge construction addressing, the transmission quality of image and the optimization of cost must become important Consideration.
Laying transmission with respect to traditional cable network, the smaller advantage of the regional limits of wireless transmission is more obvious and feasible for the detection that is applied to remote capital construction facility, usually only have 4M or the above wideband transmit that just is called as, but the cost that it is laid and the basis is equipped with is relatively high, and is unfavorable for the application of bridge image monitoring; The arrowband refers to the frequency band of relative narrower.Be often referred to the bandwidth that can transmit the following signal of 64kbit/s in digital communication.Broadband and arrowband refer to that the characteristic of channel is with respect to characteristics of signals.For broadband signal, we are called information source " signal waiting for transmission is arranged ", and information source is to possess certain spectrum signature.Source signal needs a carrier signal to modulate it usually, just can send to a distant place.The source signal bandwidth is narrow band signal much smaller than centre carrier frequency, otherwise both comparable size is intended is called broadband signal.In practical communication, distribute to your band resource+real communication environments, we are referred to as channel.Channel also possesses certain spectrum signature.Generally, the band resource that is assigned to is wider, communication environments is more stable, the data rate that channel can carry is just higher, due to the bandwidth of wireless transmission and the limitation of speed, to be optimized processing to the collection and transmission of image, exactly the data that gather be carried out the interval and gather and compress transmission in order to reach the maximization of data volume and definition.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of partition image acquisition system based on narrow band transmission is provided, it is simple in structure, reasonable in design, it is convenient to realize, cost is low, can satisfy the needs of some image capturing system, can be deployed on remote capital construction facility, practical, application value is high.
for solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of partition image acquisition system based on narrow band transmission, it is characterized in that: comprise the camera that is used for image taking that joins successively, be used for preventing that the light of non-imaging from entering into the optical inductor of camera, the signal that is used for optical inductor is exported carries out amplifying signal amplifying circuit module, the data analysis that is used for the analog signal conversion after signal amplification circuit amplifies is become the A/D change-over circuit module of digital signal and is used for that A/D change-over circuit module is exported is processed the also microprocessor module of integrated narrow band transmission, and the controller module that be used for to control camera work that joins with microprocessor module and the focusing motor that is used for regulating the camera shooting focal length that joins with controller module, described controller module and optical inductor and focusing motor all join.
Above-mentioned a kind of partition image acquisition system based on narrow band transmission, it is characterized in that: described focusing motor is ultrasonic motor.
Above-mentioned a kind of partition image acquisition system based on narrow band transmission, it is characterized in that: described microprocessor module is the DSP microprocessor.
Above-mentioned a kind of partition image acquisition system based on narrow band transmission, it is characterized in that: described controller module is programmable logic controller (PLC).
The present invention compared with prior art has the following advantages:
1, the present invention adopts integrated, modular design, and is simple in structure, reasonable in design, and it is convenient to realize.
2, process through microprocessor module during due to image in the present invention, thus cost low, be easy to realize, can satisfy the needs of some image capturing system.
3, the microprocessor module in the present invention can first compress processing with the image sequence that obtains, and that is to say obtaining and compressing together and complete of interval, has exempted the inconvenience of again compressing processing.
4, the present invention has realized a kind of partition image acquisition system based on narrow band transmission, can be deployed on remote capital construction facility, utilize frequency splitting technology that the low cost of narrow band transmission and interval gather to realize complex optimum to the acquisition target image, of the present invention practical, application value is high.
In sum, this practicality is simple in structure, and is reasonable in design, and it is convenient to realize, cost is low, can satisfy the needs of some image capturing system, can be deployed on remote capital construction facility, and practical, application value is high.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
The 1-camera; The 2-optical inductor; 3-signal amplification circuit module;
4-A/D change-over circuit module; The 5-microprocessor module; The 6-controller module;
The 7-motor of focusing.
Embodiment
as shown in Figure 1, the present invention includes the camera 1 that is used for image taking that joins successively, be used for preventing that the light of non-imaging from entering into the optical inductor 2 of camera 1, the signal that is used for optical inductor 2 is exported carries out amplifying signal amplifying circuit module 3, the data analysis that is used for the analog signal conversion after signal amplification circuit amplifies is become the A/D change-over circuit module 4 of digital signal and is used for that A/D change-over circuit module 4 is exported is processed the also microprocessor module 5 of integrated narrow band transmission, and the controller module 6 that be used for to control camera 1 work that joins with microprocessor module 5 and the focusing motor 7 that is used for regulating camera 1 shooting focal length that joins with controller module 6, described controller module 6 all joins with optical inductor 2 and focusing motor 7.
As shown in Figure 1, in the present embodiment, described focusing motor 7 is ultrasonic motor.Described microprocessor module 5 is the DSP microprocessor.Described controller module 6 is programmable logic controller (PLC).
When the present invention was used for the health detection of bridge, camera 1 was a plurality of and is distributed on each detection node of bridge.
Operation principle of the present invention and the course of work are: export to A/D change-over circuit module 4 after the taken figure of camera 1 amplifies through amplifying circuit module 3, the analog signal of 4 pairs of amplifying circuit modules of A/D change-over circuit module 3 output is transformed into digital signal (namely 0 and 1) by processing, and then through microprocessor module 5, the image sequence that obtains is first compressed processing, that is to say obtaining and compressing together and complete of interval, exempted the inconvenience of again compressing processing.In addition, microprocessor module 5 can also carry out for the acquisition angles of camera 1 dividing processing of full angle, each number of image frames that gathers is relatively less, immediately for the startup meeting of narrow band transmission to collect arrowband centring system end from image, the minimizing of data volume can make the transmission time shorten; Simultaneously, for the setting meeting that gathers the period, the bridge key images is partly carried out frequency division and process, the demanding structural sections frequency of picture quality is high, guarantees that the level of frequency can reduce the bandwidth pressure of arrowband greatly.Acquisition time and the endpoint information of image can be packaged in each two field picture of transmission by the specific coding processing simultaneously.Process through microprocessor module 5 during due to image, thus cost low, be easy to realize, can satisfy the needs of some image capturing system.
The above; it is only preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection range of technical solution of the present invention.
Claims (4)
1. partition image acquisition system based on narrow band transmission, it is characterized in that: comprise the camera (1) that is used for image taking that joins successively, be used for preventing that the light of non-imaging from entering into the optical inductor of camera (1) (2), the signal that is used for optical inductor (2) is exported carries out amplifying signal amplifying circuit module (3), the data analysis that is used for the analog signal conversion after signal amplification circuit amplifies is become the A/D change-over circuit module (4) of digital signal and is used for that A/D change-over circuit module (4) is exported is processed the also microprocessor module (5) of integrated narrow band transmission, and the controller module (6) that be used for to control camera (1) work that joins with microprocessor module (5) and the focusing motor (7) that is used for regulating camera (1) shooting focal length that joins with controller module (6), described controller module (6) all joins with optical inductor (2) and focusing motor (7).
2. according to a kind of partition image acquisition system based on narrow band transmission claimed in claim 1, it is characterized in that: described focusing motor (7) is ultrasonic motor.
3. according to a kind of partition image acquisition system based on narrow band transmission claimed in claim 2, it is characterized in that: described microprocessor module (5) is the DSP microprocessor.
4. according to a kind of partition image acquisition system based on narrow band transmission claimed in claim 2, it is characterized in that: described controller module (6) is programmable logic controller (PLC).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110431057 CN103167277A (en) | 2011-12-16 | 2011-12-16 | Interval image collecting system based on narrow-band transferring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110431057 CN103167277A (en) | 2011-12-16 | 2011-12-16 | Interval image collecting system based on narrow-band transferring |
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| CN103167277A true CN103167277A (en) | 2013-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170359A (en) * | 2013-11-22 | 2014-11-26 | 华为终端有限公司 | Implementation method of digital magnifier and mobile device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170359A (en) * | 2013-11-22 | 2014-11-26 | 华为终端有限公司 | Implementation method of digital magnifier and mobile device |
| WO2015074257A1 (en) * | 2013-11-22 | 2015-05-28 | 华为终端有限公司 | Method and mobile phone device for realizing digital magnifier |
| CN104170359B (en) * | 2013-11-22 | 2017-04-12 | 华为终端有限公司 | Implementation method of digital magnifier and mobile device |
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Application publication date: 20130619 |