CN203773262U - Coding system of digital and analog signals - Google Patents
Coding system of digital and analog signals Download PDFInfo
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- CN203773262U CN203773262U CN201320754516.6U CN201320754516U CN203773262U CN 203773262 U CN203773262 U CN 203773262U CN 201320754516 U CN201320754516 U CN 201320754516U CN 203773262 U CN203773262 U CN 203773262U
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Abstract
The utility model discloses a coding system of digital and analog signals. The coding system includes a digital signal acquisition device, an analog signal acquisition device, a code converter and a signal inquiry module, wherein the code converter is connected with the digital signal acquisition device and the analog signal acquisition device respectively, and the signal query module is connected with the code converter. The coding system of the utility model has the advantages of simple structure and convenient use, and can greatly improve the efficiency of information acquisition of a technical prevention engineering supervision and management platform.
Description
Technical field
The utility model relates to a kind of coded system, is specifically related to a kind of coded system of digital and analog signaling.
Background technology
Technical precaution engineering supervision management platform need to be integrated various information resource, so that building all kinds of brand technical precaution of the real-time query products such as application units, production unit, engineering working unit, supervisory and management department, technical precaution installs and uses situation, hazard rate, working unit's credit worthiness etc., realize and sharing, computer software technology and the network technology of uses advanced, carry out real time remote networking supervision to all running statuses newly-built and the video security monitoring system that key unit's significant points is built simultaneously.
But because information is divided into digital signal data and analog signal data, technical precaution engineering supervision management platform is when to information, need to separate collection, the information collecting is separately gathered, workload is very large so again, and work efficiency is very low.
Utility model content
The technical problems to be solved in the utility model is: because information is divided into digital signal data and analog signal data, technical precaution engineering supervision management platform is when to information, work efficiency is very low, thereby a kind of coded system of digital and analog signaling is provided.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of coded system of digital and analog signaling, described coded system comprises digital signal acquiring device, analog signal collector, coding converter and signal enquiry module, described coding converter is connected with digital signal acquiring mould device and analog signal collector respectively, and described signal enquiry module is connected with coding converter.
In a preferred embodiment of the present utility model, described digital signal acquiring device comprises Ethernet acquisition control circuit, CAN acquisition control circuit and communication unit, and described Ethernet acquisition control circuit is connected with communication unit respectively with CAN acquisition control circuit.
In a preferred embodiment of the present utility model, in described analog signal collector, be provided with nonvolatile memory.
In a preferred embodiment of the present utility model, described coding converter comprises connected successively signal receiving unit, signal recognition circuit, video Circuit tuning, DSP process chip and signal output unit.
In a preferred embodiment of the present utility model, described signal enquiry module comprises a mainboard, described main plate center position is provided with core data library unit, described mainboard one side is provided with Short Message Service Gateway adapter and call center to connection circuit, described mainboard opposite side is mounted with back-stage management circuit, data mining circuit and intelligent search and brings circuit together, described Short Message Service Gateway adapter, call center to connection circuit, back-stage management circuit, data mining circuit and intelligent search with bring circuit together and be connected with core data library unit respectively.
By technique scheme, the beneficial effects of the utility model are:
The utility model is simple in structure, easy to use, and the efficiency of technical precaution engineering supervision management platform Information Monitoring is provided greatly.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the coded system of a kind of digital and analog signaling that the utility model provides, mainly comprises digital signal acquiring device 100, analog signal collector 200, coding converter 300 and signal enquiry module 400.
Digital signal acquiring device 100, is connected with coding converter 300, and it is for the set various sensors of technical precaution engineering supervision management platform are carried out to data acquisition and Long-distance Control.
Digital signal acquiring device 100, its outside is a housing 110, is provided with Ethernet acquisition control circuit 130, CAN acquisition control circuit 140 and communication unit 120 in housing 110 inside.
Ethernet acquisition control circuit 130, it is for collecting computer digital signal information, and the information of collection is sent to communication unit 120.
CAN acquisition control circuit 140, for gathering CAN digital signal information, and sends to communication unit 120 by the information of collection.
Communication unit 120, it is that the information that Ethernet acquisition control circuit 130 and CAN acquisition control circuit 140 are sent sends to coding converter 300.
The inner unitization structure that adopts of housing 110 of the digital signal acquiring device 100 that the utility model provides, each data acquiring control circuit is placed in a tub, then the tub that is provided with each data acquiring control circuit is connected with communication unit 120, connect so very convenient, can not influence each other, can tackle various rig-site utilization.
Analog signal collector 200, is connected with coding converter 300, and it is for gathering the analog signal information in technical precaution engineering supervision management platform, and the information collecting is sent to coding converter 300.
Analog signal collector 200, it is specially a single-chip microcomputer, and its inside comprises power isolation circuit 210, signal isolation circuit 220, linearizer 230, A/D change-over circuit 240 and RS-485 serial communication circuit 250.
Each serial ports on the analog signal collector 200 that the utility model provides can connect at most 256 ISOAD series modules, communication modes adopts ASCLL code character communications protocol or MODBUSRTU communications protocol, instruction set is compatible with ADAM module, baud rate can be arranged by user, can hang in same RE-485 bus with other controllers, be convenient to main frame programming.
In analog signal collector 200, be also provided with nonvolatile memory.
Nonvolatile memory, it is for the configuration informations such as calibration value, address, baud rate, data layout, verification and the state of all users' settings being stored, consulting after being convenient to.
Coding converter 300, be connected with digital signal acquiring device 100, analog signal collector 200 and signal enquiry module 400 respectively, it is that numerical information and analog information for digital signal acquiring device 100 and analog signal collector 200 are collected encoded, and sends to signal enquiry module 400 to store the information after coding.
Coding converter 300, its outside is a housing, is provided with connected successively signal receiving unit 310, signal recognition circuit 320, video Circuit tuning 330, DSP process chip 340 and signal output unit 350 in housing.
Signal receiving unit 310, it is specially a single-chip microcomputer, it is digital signal information and the analog signal information of sending for accepting digital signal acquiring device 100 and analog signal collector 200, and the digital signal information receiving and analog signal information are sent to signal recognition circuit 320.
Signal recognition circuit 320, it is for the digital signal information receiving and analog signal information are identified automatically, and the video information after identification is sent to video Circuit tuning 330.
Video Circuit tuning 330, it can be adjusted parameters such as the brightness of video, contrast, acutancees, supports the multiple stunts such as video upset, mirror image, supports video and audio code rate adjustment, video supports that 100Kpbs is adjustable to 20Mkbs, and audio frequency supports that 32k, 64k, 128k and 256k are adjustable.
The information after adjusting is sent to DSP process chip by video Circuit tuning 330.
DSP process chip 340, it is for the video information after adjusting is encoded, and the information after coding is sent to output unit 350.
The utility model adopts high performance DSP process chip to encode, and so greatly improves code efficiency and transfer efficiency, and coding after video practicality very good, Transpot stream is also very good, time delay is lower than 300ms.
Signal output unit 350, by be by coding after video information send to signal enquiry module 400.
The coding converter 300 that the utility model provides has advantages of high-resolution, low code stream, coding adopt current state-of-the-art video compression standard H.264-HP (High-profile), realized the coding transmission of VGA signal high-resolution, low code stream;
Coding converter 300 is supported DHCP, and PPPOE arranges the various network access modes such as fixing IP;
Coding converter 300 adopts full interface support, supports the multiple input sources such as SDI, HDMI, VGA, CVBS, can automatically identify for the signal of various discrepancy;
The video that coding converter 300 is exported can customize, and supports three kinds of differences of synchronous output network video stream of rate, three kinds of different agate rates, three kinds of different agreements respectively, meets the network demand under different condition.
Signal enquiry module 400, is connected with coding converter 300, and it is that the video after encoding is stored by coding converter 300, and inquiry can be provided.
Signal enquiry module 400, its main body is a mainboard, be provided with core data library unit 410 in main plate center position, be provided with Short Message Service Gateway adapter 420 and call center to connection circuit 430 in mainboard one side, be mounted with back-stage management circuit 440, data mining circuit 450 and intelligent search and bring circuit together at mainboard opposite side.
Core data library unit 410, it is a single-chip microcomputer, it is the video information of sending for memory encoding converter 300, its respectively with Short Message Service Gateway adapter 420, call center to connection circuit 430, back-stage management circuit 440, data mining circuit 450 and intelligent search with bring circuit together and be connected, like this by Short Message Service Gateway adapter 420, call center is to connection circuit 430, back-stage management circuit 440, data mining circuit 450 and intelligent search and bring circuit together and can carry out search inquiry to the information in core data library unit 410 respectively, information sharing, information send.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the coded system of a digital and analog signaling, described coded system comprises digital signal acquiring device, analog signal collector, coding converter and signal enquiry module, it is characterized in that, described coding converter is connected with digital signal acquiring mould device and analog signal collector respectively, described signal enquiry module is connected with coding converter, and described coding converter comprises connected successively signal receiving unit, signal recognition circuit, video Circuit tuning, DSP process chip and signal output unit.
2. the coded system of a kind of digital and analog signaling according to claim 1, it is characterized in that, described digital signal acquiring device comprises Ethernet acquisition control circuit, CAN acquisition control circuit and communication unit, and described Ethernet acquisition control circuit is connected with communication unit respectively with CAN acquisition control circuit.
3. the coded system of a kind of digital and analog signaling according to claim 1, is characterized in that, in described analog signal collector, is provided with nonvolatile memory.
4. the coded system of a kind of digital and analog signaling according to claim 1, it is characterized in that, described signal enquiry module comprises a mainboard, described main plate center position is provided with core data library unit, described mainboard one side is provided with Short Message Service Gateway adapter and call center to connection circuit, described mainboard opposite side is mounted with back-stage management circuit, data mining circuit and intelligent search and bring circuit together, described Short Message Service Gateway adapter, call center is to connection circuit, back-stage management circuit, data mining circuit and intelligent search with bring circuit together and be connected with core data library unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754516.6U CN203773262U (en) | 2013-11-25 | 2013-11-25 | Coding system of digital and analog signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754516.6U CN203773262U (en) | 2013-11-25 | 2013-11-25 | Coding system of digital and analog signals |
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| Publication Number | Publication Date |
|---|---|
| CN203773262U true CN203773262U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320754516.6U Expired - Fee Related CN203773262U (en) | 2013-11-25 | 2013-11-25 | Coding system of digital and analog signals |
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| CN (1) | CN203773262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768815A (en) * | 2018-06-11 | 2018-11-06 | 中国人民解放军空军工程大学 | A kind of signal processing system and signal processing method |
-
2013
- 2013-11-25 CN CN201320754516.6U patent/CN203773262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768815A (en) * | 2018-06-11 | 2018-11-06 | 中国人民解放军空军工程大学 | A kind of signal processing system and signal processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20181125 |