CN202998335U - A security monitoring optical time-domain reflection integrated tester - Google Patents
A security monitoring optical time-domain reflection integrated tester Download PDFInfo
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- CN202998335U CN202998335U CN 201220656823 CN201220656823U CN202998335U CN 202998335 U CN202998335 U CN 202998335U CN 201220656823 CN201220656823 CN 201220656823 CN 201220656823 U CN201220656823 U CN 201220656823U CN 202998335 U CN202998335 U CN 202998335U
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Abstract
The utility model discloses a security monitoring optical time-domain reflection integrated tester comprising an integrated control unit, a display unit, an OTDR measuring unit, a data storing unit, a user interaction unit, a power supply unit, and a video input unit. The integrated control unit is connected with the display unit, the OTDR measuring unit, the data storing unit, the user interaction unit, the power supply unit, and the video input unit. The security monitoring optical time-domain reflection integrated tester is capable of detecting an optical fiber line and testing a video monitoring front device so that faults in a security monitoring system can be discovered comprehensively and rapidly, substantially increasing operating efficiency while decreasing risk of overhead operation.
Description
Technical field
The utility model relates to the safety monitoring technical field, relates in particular to a kind of safety monitoring optical time domain reflection comprehensive tester.
Background technology
Fibre Optical Communication Technology is stable because of its transmission, transmission rate is high and the optical cable cost is low, has become modern mechanics of communication commonly used, and obtained extensive application in video monitoring.Optical fiber is the medium of light transmission, but the physical characteristic of itself has determined its fragility, rapid wear, easily broken, so fibre circuit is prone to the fault such as open circuit.For identifying the optical fiber link quality or searching the optical fiber link fault, prior art adopts optical time domain reflectometer, according to the optical fiber transmission signal principle, by OTDR(optical time-domain reflectometer, optical time domain reflection) measurement module, to tested optical fiber transmitted light signal, and to carrying out Treatment Analysis after the optical signal amplification that feeds back, calculate total optical fiber link length, total link loss, light return loss and optical fiber attenuation, and distance, loss and the reflection of calculating each event, thereby the event of any position on detection, location and measuring optical fiber link.
For safety defense monitoring system, fibre circuit, optical transmission device and video monitoring front end equipment have been generally comprised.At present, large-scale safety defense monitoring system is all large-range monitorings, as shown in Figure 1, by video monitoring front end equipment A(such as video camera, quick, The Cloud Terrace), the information exchanges such as the image that gathers, sound are crossed optical transmission device B(comprise video optical multiplexer, optical transceiver etc.) be transferred to Surveillance center through fibre circuit.Yet the optical time domain reflectometer that prior art adopts can only one direction detection fiber circuit, can't realize that safety defense monitoring system must use in safeguarding to the demonstration test of video image and the control of headend equipment The Cloud Terrace.Generally all be arranged on eminence more than 3m because of video monitoring front end equipment and optical transmission device again, therefore workmen's installation and maintenance work is to be in work high above the ground, and need to carry multiple testing tool, by changing different testing tools, each part is checked one by one, not only operating efficiency is low, and has increased the risk of work high above the ground.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of not only can the detection fiber circuit, but also the Multifunctional security monitor optical Time Domain Reflectometry comprehensive tester that can test video monitoring front end equipment, to investigate out fast the fault in safety defense monitoring system comprehensively, increase work efficiency and reduce the risk of work high above the ground.
The purpose of this utility model is achieved through the following technical solutions:
A kind of safety monitoring optical time domain reflection comprehensive tester that the utility model provides comprises:
Comprehensive Control unit-be used for coordinating each functional unit and carrying out the data Treatment Analysis; It includes for controlling OTDR measuring unit transmission optical maser wavelength, pulse duration, simultaneously the signal that collects is processed and is analyzed, and measurement result is sent to the OTDR Data Management Analysis module of display unit;
The information result that display unit-be used for to show Comprehensive Control unit sends;
The OTDR measuring unit-for the measuring fiber circuit;
Data storage cell-for the storage information data;
User interaction unit-be used for sends to the Comprehensive Control unit and tests, consults, operational order;
Power supply unit-for working power is provided;
Described Comprehensive Control unit is connected with display unit, OTDR measuring unit, data storage cell, user interaction unit, power supply unit respectively;
Comprise in addition:
Video input unit-the be used for analog video signal that the receiving front-end picture pick-up device sends;
Described Comprehensive Control unit includes for the analog video signal that receives is processed, and is sent to the image processing module of display unit; Described video input unit is connected on the image processing module of Comprehensive Control unit.
The utility model is when realizing that fibre circuit detects, realize the reception of front end picture pick-up device vision signal by the video input unit, after the Comprehensive Control cell processing, show the video image that collects by display unit, whether working properly to judge the front end video equipment.
Further, the utility model also comprises:
Serial ports output unit-be used for communicating with the control The Cloud Terrace of security protection front end sends by serial communication interface forward end equipment and controls data;
Described Comprehensive Control unit includes for sending the cradle head control code commands by the serial ports output unit, controls the cradle head control module that The Cloud Terrace is done relevant action; Described serial ports output unit is connected on the cradle head control module of Comprehensive Control unit.
The utility model realizes and the communicating by letter of front-end control The Cloud Terrace by the serial ports output unit, and the control data of Comprehensive Control unit are sent to headend equipment, the action of control video monitoring front end equipment The Cloud Terrace (upper and lower, left and right, call presetting bit etc.).
The utlity model has following beneficial effect:
The utility model is simple in structure, easy to operate, not only can the fast detecting fibre circuit, and can detect the fault of front-end camera, image/video equipment and optical patchcord etc., and realize the regulation and control of headend equipment The Cloud Terrace action, bring great convenience for installing and safeguarding, significantly improved operating efficiency, strengthened the competitiveness of enterprise.Simultaneously, also greatly reduce workmen's work high above the ground and need carry, change the operational risk that multiple testing tool brings.
Description of drawings
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Fig. 1 is the prior art application principle schematic block diagram of video security monitoring on a large scale;
Fig. 2 is the structural principle block diagram of the utility model embodiment.
In figure: Comprehensive Control unit 1, OTDR Data Management Analysis module 11, image processing module 12, cradle head control module 13, display unit 2, OTDR measuring unit 3, data storage cell 4, user interaction unit 5, power supply unit 6, video input unit 7, serial ports output unit 8
Specific embodiment
Figure 2 shows that the embodiment of a kind of safety monitoring optical time domain reflection of the utility model comprehensive tester, comprise following part:
Comprehensive Control unit 1-be used for coordinating each functional unit and carrying out the data Treatment Analysis;
The information such as the video image that display unit 2-be used for to show Comprehensive Control unit 1 sends, fiber optical time domain reflection measurement result;
OTDR measuring unit 3-for the test tested optical fiber;
Data storage cell 4-for the information datas such as video image after the optical time domain reflection measurement data after unit 1 processing of storage Comprehensive Control, equipment parameters and Comprehensive Control unit 1 processing;
User interaction unit 5-be used for to the Comprehensive Control unit 1 send test, consult, operational order; Can adopt the mode of button or touch to carry out;
Power supply unit 6-for working power is provided; Can adopt two kinds of supply power modes of battery (as rechargeable battery) and external power supply;
Video input unit 7-is used for the CVBS analog video signal that the receiving front-end picture pick-up device sends;
Serial ports output unit 8-be used for providing RS485/RS232 control bus interface communicates with the control The Cloud Terrace of security protection front end, and forward end equipment sends controls data.
Above-mentioned Comprehensive Control unit 1 includes with lower module:
OTDR Data Management Analysis module 11-is used for controlling OTDR measuring unit 3 and sends optical maser wavelength, pulse duration, simultaneously the signal that collects is processed and is analyzed, and measurement result is sent to display unit 2;
Image processing module 12-is used for the analog video signal that receives is processed, and is sent to display unit 2;
Cradle head control module 13-is used for by serial communication interfaces such as RS485/RS232, sends hexadecimal cradle head control code commands, controls The Cloud Terrace and does relevant action.
Comprehensive Control unit 1 its function mainly contains:
A. data are processed and are analyzed
Control OTDR measuring unit 3 and send optical maser wavelength, pulse duration etc., simultaneously the signal that collects is processed and analyzed.In optical time domain reflection is measured, carrying out the critical datas such as pulse duration, time collection contrast processes and analyzes, calculate the data such as total optical fiber link length, total link loss, light return loss and optical fiber attenuation, and calculate distance, loss and the reflectance data of each event, be sent to display unit 2 display measurement values in modes such as curve, numerals.
B. video shows and controls
B-1. the CVBS analog video signal of video input unit 7 receptions is processed, and be sent to display unit 2 display video images;
B-2. send cradle head control and refer to life, by serial ports output unit 8, control the action (upper and lower, left and right, call presetting bit etc.) of video monitoring front-end The Cloud Terrace.
Comprehensive Control unit 1 is connected with display unit 2, OTDR measuring unit 3, data storage cell 4, user interaction unit 5, power supply unit 6, video input unit 7, serial ports output unit 8 respectively.
OTDR measuring unit 3 points to and detects tested optical fiber, and is connected with the OTDR Data Management Analysis module 11 of Comprehensive Control unit 1; Video input unit 7 is connected on the front end picture pick-up device to receive the CVBS analog video signal, and is connected with the image processing module 12 of Comprehensive Control unit 1; Serial ports output unit 8 is connected communication by RS485/RS232 with the front-end control The Cloud Terrace, and is connected with the cradle head control module 13 of Comprehensive Control unit 1.
The present embodiment is provided with handle to be convenient for carrying.By OTDR measuring unit 3 and through the Treatment Analysis measuring fiber transmission line of controlled processing unit 1, then measured value is presented on display unit 2; The CVBS analog video signal that sends by video input unit 7 receiving front-end video equipments, after controlled processing unit 1 is processed by display unit 2 display video images, thereby judge whether video equipment working properly; Realize and the communicating by letter of front-end control The Cloud Terrace by serial ports output unit 8, send the cradle head control instruction by controlled processing unit 1, control the action (upper and lower, left and right, call presetting bit etc.) of video monitoring front-end The Cloud Terrace, thereby realize comprehensively measuring test job.
Claims (2)
1. safety monitoring optical time domain reflection comprehensive tester comprises:
Comprehensive Control unit (1)-be used for coordinating each functional unit and carrying out the data Treatment Analysis; It includes optical maser wavelength, the pulse duration that sends for controlling OTDR measuring unit (3), simultaneously the signal that collects is processed and is analyzed, and measurement result is sent to the OTDR Data Management Analysis module (11) of display unit (2);
The information result that display unit (2)-be used for to show Comprehensive Control unit sends;
OTDR measuring unit (3)-for the measuring fiber circuit;
Data storage cell (4)-for the storage information data;
User interaction unit (5)-be used for sends to the Comprehensive Control unit and tests, consults, operational order;
Power supply unit (6)-for working power is provided;
Described Comprehensive Control unit (1) is connected with display unit (2), OTDR measuring unit (3), data storage cell (4), user interaction unit (5), power supply unit (6) respectively;
Characterized by further comprising:
Video input unit (7)-the be used for analog video signal that the receiving front-end picture pick-up device sends;
Described Comprehensive Control unit (1) includes for the analog video signal that receives is processed, and is sent to the image processing module (11) of display unit (2); Described video input unit (7) is connected on the image processing module (11) of Comprehensive Control unit (1).
2. safety monitoring optical time domain reflection comprehensive tester according to claim 1 characterized by further comprising:
Serial ports output unit (8)-be used for communicating with the control The Cloud Terrace of security protection front end sends by serial communication interface forward end equipment and controls data;
Described Comprehensive Control unit (1) includes for sending the cradle head control code commands by serial ports output unit (8), controls the cradle head control module (13) that The Cloud Terrace is done relevant action; Described serial ports output unit (8) is connected on the cradle head control module (13) of Comprehensive Control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656823 CN202998335U (en) | 2012-11-30 | 2012-11-30 | A security monitoring optical time-domain reflection integrated tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656823 CN202998335U (en) | 2012-11-30 | 2012-11-30 | A security monitoring optical time-domain reflection integrated tester |
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| Publication Number | Publication Date |
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| CN202998335U true CN202998335U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220656823 Expired - Lifetime CN202998335U (en) | 2012-11-30 | 2012-11-30 | A security monitoring optical time-domain reflection integrated tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107770499A (en) * | 2017-11-13 | 2018-03-06 | 苏州席正通信科技有限公司 | A kind of fiber optic network camera monitoring system |
| CN110728383A (en) * | 2019-10-11 | 2020-01-24 | 国网山东省电力公司潍坊供电公司 | Intelligent evaluation system for operation situation of optical cable |
-
2012
- 2012-11-30 CN CN 201220656823 patent/CN202998335U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107770499A (en) * | 2017-11-13 | 2018-03-06 | 苏州席正通信科技有限公司 | A kind of fiber optic network camera monitoring system |
| CN110728383A (en) * | 2019-10-11 | 2020-01-24 | 国网山东省电力公司潍坊供电公司 | Intelligent evaluation system for operation situation of optical cable |
| CN110728383B (en) * | 2019-10-11 | 2023-06-30 | 国网山东省电力公司潍坊供电公司 | Intelligent evaluation system for optical cable running situation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |