CN201345705Y - Video monitoring alarm system based on CAN network transmission control - Google Patents
Video monitoring alarm system based on CAN network transmission control Download PDFInfo
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- CN201345705Y CN201345705Y CNU2008202331297U CN200820233129U CN201345705Y CN 201345705 Y CN201345705 Y CN 201345705Y CN U2008202331297 U CNU2008202331297 U CN U2008202331297U CN 200820233129 U CN200820233129 U CN 200820233129U CN 201345705 Y CN201345705 Y CN 201345705Y
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Abstract
The utility model discloses a video monitoring alarm system based on CAN network transmission control, which comprises a video input, an alarm unit, sensor control signals, a hard disc video input, a monitor unit and a video difference transmission image network, and further comprises a system controller, a video difference control module, a video CAN control module and a CAN bus control signal transmission network. The video input is connected with the video difference control module and is connected with the system controller through the video difference transmission image network. The alarm unit is connected with the video CAN control module and is connected with the system controller through the CAN bus control signal transmission network. The video CAN control module is connected with the video difference control module. By making use of the micro-electronic control technologies of video difference transmission and CAN bus communication control, the group-to-point arrangement as well as the CAN bus communication control mode, the video monitoring alarm system prolongs the control distance and has the functions of image tracking, alarm tracking, automatic alarming and feeding back at real time.
Description
Technical field
The utility model relates to a kind of video monitoring warning system based on the control of CAN Network Transmission, belongs to security and guard technology control field.
Background technology
Video monitoring system is the important component part in the technical field of security and protection, is a kind of powerful general defensive character in all files, and video monitoring is widely used in different field so that it is directly perceived, convenient, the information content is abundant.
In recent years, along with the develop rapidly of computer, network and image processing, transmission technology, the video monitoring technology has also obtained development rapidly.At present, in the prior art, the video monitoring technology is in the stage of analogue system and digital system cross-application.The method of its realization mainly adopts point-to-point wired laying mode etc., and most of supervisory control system adopts is RS-485 Control on Communication mode, with this realize monitoring, the transmission of control signal; So exist some drawbacks and problem.Characteristics such as video monitoring aspect exists special line deployment cost height, and the supervisor position is subjected to limitation restriction, and poor reliability, rate of false alarm are big; Simultaneously, shortcoming comes out RS-485 Control on Communication mode at leisure because the real-time reliability poor, communication of no complete agreement stipulations, system is low, later maintenance cost is high, transmission range is undesirable, application is dumb etc., will cause the restriction of aspects liftings such as the extension to monitor network, functional reinforcement, applied environment.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency that prior art exists, provide a kind of CAN of utilization bus network to carry out signal monitoring transmission control, adopt video difference sub-module and matrix buffer that video image is carried out the synchronous and time-sharing switching controls, and by the control of extending transmission distance of bridge joint repeater, and has the video monitoring warning system based on CAN Network Transmission control of self diagnosis, high reliability and low-cost functional characteristics.
The technical scheme that its technical problem that solves the utility model adopts is: should comprise video input, alarm unit, sensor control signal, hard disc recording input, monitor unit, power supply DC-DC, video difference images network, it is characterized in that: also comprise system controller, video difference control module, video CAN control module, CAN bus control signal transmission network based on the video monitoring warning system of CAN Network Transmission control; The video input is connected with video difference control module, and links to each other with system controller by video difference images network; Alarm unit is connected with video CAN control module, and links to each other with system controller by CAN bus control signal transmission network; Video CAN control module is connected with video difference control module; System controller utilizes CAN bus control signal transmission network and links to each other with the hard disc recording input by video CAN control module or video difference images network, monitor unit is connected with video CAN control module, and link to each other with system controller by CAN bus control signal transmission network, system controller utilizes video difference images network to be connected with monitor unit, and power supply DC-DC is connected with system controller.
System controller is made up of the monitoring transmission of CAN bus signals and monitoring alarm control unit, CAN bus and video differential transfer and synchronous and time-sharing switch control unit and bridge joint repeater control unit.
Wherein: CAN bus signals monitoring transmission and monitoring alarm control unit comprise first microprocessor, video CAN control module, the monitoring alarm module, sensor control signal, video difference control module, first clock module and a CAN interface module, first microprocessor links to each other with video CAN control module, video CAN control module links to each other with video difference control module, first microprocessor links to each other with the monitoring alarm module, sensor control signal and first microprocessor interconnection, first microprocessor links to each other with video difference control module, first clock module and first microprocessor interconnection, a CAN interface module and first microprocessor interconnection.
Video CAN control module is the control board that is embedded with the CAN communication interface, divides the emission module to form by video input, control The Cloud Terrace and video difference.Its control command signal transmits control by CAN bus control signal transmission network, and the CAN interface module in first microprocessor is finished the unlatching of actuator and the control of movement locus;
The monitoring alarm module communicates by the CAN communication interface, is one or more the combination in any in alarm, induction, infrared, broken, searchlight, fingerprint or the smog alarm actuator.
The CAN bus comprises second microprocessor, Video signal, video difference sub-module, A/D modular converter, FIFO memory module, second clock module, the 2nd CAN interface module with video differential transfer and synchronous and time-sharing switch control unit; The Video signal is input to the video difference sub-module, second microprocessor links to each other with the video difference sub-module, the video difference sub-module links to each other with the A/D modular converter, the A/D modular converter links to each other with second microprocessor, the FIFO memory module and second microprocessor are interconnected, second microprocessor links to each other with the second clock module, and the 2nd CAN interface module and second microprocessor are interconnected.
Wherein: the FIFO memory module is finished by second microprocessor synchronous and asynchronous timesharing of vision signal is controlled;
The video difference sub-module divides emission module and video differential received module to form by video difference.By its twisted-pair feeder or CAT-5 line some transmission medium video monitoring image, its transmission range scope is between 0 to 2000 meter.
After the Video signal is input to the video difference sub-module, it is carried out analog signal and number digital signal conversion process through the A/D modular converter;
Bridge joint repeater control unit is made up of video transmission trunk module, CAN bus transfer control trunk module.
The video transmission trunk module comprises dedicated video differential operational amplifier, video input, video output, power module, lightning protection and electrostatic discharge protective circuit; The video input links to each other with the dedicated video differential operational amplifier; the dedicated video differential operational amplifier links to each other with video output; power module links to each other with lightning protection and electrostatic discharge protective circuit with the dedicated video differential operational amplifier respectively, and lightning protection and electrostatic discharge protective circuit link to each other with the dedicated video differential operational amplifier.
Wherein: power module provides required positive-negative power pulse signal for its integrated circuit;
CAN bus transfer control trunk module comprises the 3rd microprocessor, the 3rd clock module, memory module, the 3rd CAN interface module, the 4th CAN interface module; The 3rd clock module links to each other with the 3rd microprocessor, memory module and the interconnection of the 3rd microprocessor, and the 3rd CAN interface module, the 4th CAN interface module interconnect mutually with the 3rd microprocessor respectively.
The 3rd microprocessor is the single-chip microcomputer with 2 road CAN control unit interfaces, the signal transmission on the CAN bus control signal transmission network that is used for transferring;
The distributed control method of native system according to the concrete application of program, utilizes software to carry out synchronous and time-sharing control and calculates, and with the group laying mode and the CAN Control on Communication mode of point is carried out multi-channel video and data acquisition and distributed control and treatment, and passes through 232﹠amp; The CAN gateway controller arrives end host with transfer of data;
Operation principle:
Native system mainly comprises two kinds of data types in the course of the work: video monitoring image data and signal, state and test data, different qualities based on these two kinds of data, adopt different design principles to carry out transfer of data, to improve real-time, high reliability and the fail safe in the system work process.
The video monitoring image data utilize the video difference sub-module to transmit, its video difference sub-module is made up of single channel, high bandwidth operational amplifier and peripheral circuit thereof, can effectively suppress common mode disturbances and improve signal dry suppression ratio, adopt twisted-pair feeder or CAT-5 (super CAT-5) line to carry out the vedio data transmission as transmission medium, its transmission range scope is between 0 to 2000 meter.
Because what transmit on the CAN bus is control command, operating state and test data, therefore all control signal order, operating state and the Monitoring Data such as video monitoring, alarm monitoring and sensor monitors of native system are all transmitted by the CAN bus, and feedback signal and operation signal according to its transducer carry out control corresponding to its actuator, and detect its malfunction of feedback.
Native system is made up of actuators such as video input, control The Cloud Terrace, alarm, induction, infrared, broken, searchlight, fingerprints, with the video monitoring image high priority data of video difference sub-module transmission in the control command of utilizing the CAN bus transfer, operating state and test data, the interrupt priority level of default is a limit priority with video monitoring, alarm condition, and all the other states are pressed the priority transmission of default; Its vision signal control adopts the FIFO memory module to carry out synchronous and asynchronous timesharing control;
Native system utilizes microelectronics control technologys such as video differential transfer and CAN bus communication, point-to-point laying mode and RS-485 Control on Communication mode that present video monitoring system mainly adopts have been changed, with laying mode and the CAN bus communication control mode of group to point, be applied in the video monitoring system, and pass through 232﹠amp; CAN gateway controller and bridge joint repeater, thereby prolonged its command range, have that image is followed, alarm is followed, report to the police automatically, function such as feedback in real time, video monitoring ability and faults itself diagnosis capability have so not only been strengthened, the more important thing is the fail safe and the reliability that have improved video monitoring, and reduced its cost to greatest extent.
Compared with prior art, native system utilizes microelectronics control technologys such as video differential transfer and the control of CAN bus communication, point-to-point laying mode and RS-485 Control on Communication mode that present video monitoring system mainly adopts have been changed, with laying mode and the CAN bus communication control mode of group to point, be applied in the video monitoring system, and pass through 232﹠amp; CAN gateway controller and bridge joint repeater, thus its command range prolonged, have that image is followed, alarm is followed, report to the police automatically, function such as feedback in real time; Its beneficial effect is: (1) system lays mode: native system adopts the laying mode of group to point, thereby makes that the system construction wiring is convenient and simple, safe and reliable, has most importantly saved deployment cost greatly; (2) system control mode: native system adopts CAN bus communication control mode, utilize its intactly communication protocol stipulations, the real-time of system, the high reliability that has improved system and fail safe have been strengthened, reduced rate of false alarm, saved maintenance cost, prolonged transmission range, improved laser propagation effect, and promoted the expansion of system at aspects such as the extension of network, functional reinforcement, applied environments; (3) native system utilizes the microelectronics control technology, the fail safe and the reliability of total system have not only been promoted, and strengthened the functional of system, and strengthened video monitoring ability and faults itself diagnosis capability, the more important thing is the cost that has reduced system to greatest extent.
Description of drawings
Fig. 1 is based on the topological functions block diagram of the video monitoring warning system of CAN Network Transmission control;
Fig. 2 is CAN bus signals monitoring transmission and monitoring alarm control principle block diagram;
Fig. 3 is CAN bus and video differential transfer and synchronous and time-sharing switching controls theory diagram;
Fig. 4 is a video difference transmission trunking module principle block diagram;
Fig. 5 is a CAN bus transfer control trunk module theory diagram;
Fig. 6 is native system circuit theory Fig. 1;
Fig. 7 is native system circuit theory Fig. 2;
Fig. 8 is native system circuit theory Fig. 3.
Accompanying drawing 1-8 is a most preferred embodiment of the present utility model.
Among Fig. 6: U1 microprocessor, U2 CAN transceiver, U3 serial communication chip, N1, N2 photoelectrical coupler, PT flue, R1-R12 resistance C1-C12 electric capacity D1, D4-D7 diode, D2, D3 Transient Suppression Diode TVS, X1 crystal oscillator, PG-FP4 DLL (dynamic link library), binding post RET, J1.
Among Fig. 7: U1 microprocessor, U2, U3CAN transceiver, N1-N4 photoelectrical coupler, R1-R16 resistance C1-C12 electric capacity D1 diode, LED light-emitting diode, X1 crystal oscillator, PG-FP4 DLL (dynamic link library), push-button switch SW, binding post JP1, JP2, CAN Interface Terminal JP3, JP4.
Among Fig. 8: U1 microprocessor, U2 video switcher, U3 power tube, U4CAN transceiver, U5, U6 photoelectrical coupler, U7-U9 driving tube, S1-S7 relay, PT flue, X1 crystal oscillator, R1-R25 resistance C1-C10 electric capacity D1, D4-D14 diode, D2, D3 Transient Suppression Diode TVS, PG-FP4 DLL (dynamic link library), binding post RET, J1, Z1-Z10.
Embodiment
Below in conjunction with accompanying drawing 1-8 the video monitoring warning system based on the control of CAN Network Transmission of the present utility model is described further.Should be noted that the embodiments described herein only is used to illustrate, be not limited to the utility model.
As shown in Figure 1: be based on the topological functions block diagram of the video monitoring warning system of CAN Network Transmission control, form by system controller, video input, video difference control module, video CAN control module, alarm unit, sensor control signal, hard disc recording input, monitor unit, power supply DC-DC, video difference images network, CAN bus control signal transmission network; The video input is connected with video difference control module, and links to each other with system controller by video difference images network; Alarm unit is connected with video CAN control module, and links to each other with system controller by CAN bus control signal transmission network; Video CAN control module is connected with video difference control module; System controller utilizes CAN bus control signal transmission network and links to each other with the hard disc recording input by video CAN control module or video difference images network, monitor unit is connected with video CAN control module, and link to each other with system controller by CAN bus control signal transmission network, system controller utilizes video difference images network to be connected with monitor unit, and power supply DC-DC is connected with the system controller line.
System controller is made up of the monitoring transmission of CAN bus signals and monitoring alarm control unit, CAN bus and video differential transfer and synchronous and time-sharing switch control unit and bridge joint repeater control unit.
Shown in the figure, real thick line is a CAN bus control signal transmission network, and two fine rules are video difference images network.The video input of every road, alarm unit and sensor control signal all correspondingly video difference control module and video CAN control module are connected, and be fixed on the place that needs monitoring alarm, by CAN bus control signal transmission network and video difference images network, carry out incidents such as monitoring alarm, video transmission and monitoring actuator warning triggering, and the terminal video monitor and the video record of its system are controlled by video CAN control module.
As shown in Figure 2: this CAN bus signals monitoring transmission and monitoring alarm control unit are by first microprocessor, video CAN control module, the monitoring alarm module, sensor control signal, video difference control module, first clock module and a CAN interface module are formed, first microprocessor links to each other with video CAN control module, video CAN control module links to each other with video difference control module, first microprocessor links to each other with the monitoring alarm module, sensor control signal and first microprocessor interconnection, first microprocessor links to each other with video difference control module, first clock module and first microprocessor interconnection, a CAN interface module and first microprocessor interconnection.
Wherein: video CAN control module divides the emission module to form by video input, control The Cloud Terrace and video difference, its control command signal transmits control by CAN bus control signal transmission network, and the CAN interface module in first microprocessor is finished the unlatching of actuator and the control of movement locus.
First microprocessor is controlled the operating state of video difference sub-module by its CAN interface module, and video monitoring image is input to the video difference sub-module, and it is amplified transmission;
The monitoring alarm module is made up of warning actuators such as alarm, induction, infrared, broken, searchlight, fingerprints, its control command signal transmits by CAN bus control signal transmission network, and the CAN interface module in first microprocessor is finished the control to each warning actuator.
First clock module provides synchronous and time-sharing control for system.
The one CAN interface module of first microprocessor is carried out control corresponding according to the feedback signal and the operation signal of its transducer to its actuator, and detects its malfunction of feedback.
As shown in Figure 3:
This CAN bus comprises second microprocessor, Video signal, video difference sub-module, A/D modular converter, FIFO memory module, second clock module, the 2nd CAN interface module with video differential transfer and synchronous and time-sharing switch control unit; The Video signal is input to the video difference sub-module, second microprocessor links to each other with the video difference sub-module, the video difference sub-module links to each other with the A/D modular converter, the A/D modular converter links to each other with second microprocessor, the FIFO memory module and second microprocessor are interconnected, second microprocessor links to each other with the second clock module, and the 2nd CAN interface module and second microprocessor are interconnected.
Wherein: after the Video signal is input to the video difference sub-module, it is carried out analog signal and number digital signal conversion process through the A/D modular converter;
The second clock module provides synchronous and asynchronous timesharing control for system;
The FIFO memory module is finished by second microprocessor synchronous and asynchronous timesharing of vision signal is controlled;
Second microprocessor receives its control signal corresponding of transmission by the 2nd CAN interface module, carries out control corresponding work.
The video difference sub-module divides emission module and video differential received module to form by video difference, and by its twisted-pair feeder or CAT-5 line some transmission medium video monitoring image, its transmission range scope is between 0 to 2000 meter.
As shown in Figure 4:
Native system utilizes the video transmission trunk module to prolong the transmission range of video image; The video transmission trunk module is made up of dedicated video differential operational amplifier, video input, video output, power module, lightning protection and electrostatic discharge protective circuit.The video input links to each other with the dedicated video differential operational amplifier; the dedicated video differential operational amplifier links to each other with video output; power module links to each other with lightning protection and electrostatic discharge protective circuit with the dedicated video differential operational amplifier respectively, and lightning protection and electrostatic discharge protective circuit link to each other with the dedicated video differential operational amplifier.
As shown in Figure 5:
This CAN bus transfer control trunk module is made up of the 3rd microprocessor, the 3rd clock module, memory module, the 3rd CAN interface module, the 4th CAN interface module; The 3rd clock module links to each other with the 3rd microprocessor, memory module and the interconnection of the 3rd microprocessor, and the 3rd CAN interface module, the 4th CAN interface module interconnect mutually with the 3rd microprocessor respectively.
The 3rd microprocessor is the single-chip microcomputer with 2 road CAN control unit interfaces, the signal transmission of the CAN bus that is used for transferring;
Memory module is used for storing the control signal information on the CAN network;
The 3rd clock module edited for the CAN network time of carrying out.
As shown in Figure 6:
Form 232﹠amp by microprocessor U1, CAN transceiver U2 and photoelectrical coupler N1, N2 and peripheral circuit thereof; The CAN controller, microprocessor U1 is the single-chip microcomputer of band CAN controller, is embedded with control coding and Data Transport Protocol, has CAN data communication pin.Microprocessor U1 sends or receives relevant control information from the CAN bus network of forming with CAN transceiver U2, photoelectrical coupler N1, N2 etc., carries out the control corresponding instruction.
11 pin of microprocessor U1 connect the VCC high level, 10,33 pin ground connection, and 5 pin are by resistance R 2 ground connection, and 6 pin connect 14 pin of DLL (dynamic link library) PG-FP4, and 6,7,29,30,31 pin of microprocessor U1 connect 9,14,3,5,7 pin of DLL (dynamic link library) PG-FP4 respectively; 7,8 pin of microprocessor U1 are connected with crystal oscillator X1 respectively, then respectively by capacitor C 1, and C2 ground connection; 3 pin of microprocessor U1 are connected with 2 pin of binding post J1,1 of binding post J1 links to each other with 2 pin of binding post RET, and connect the VCC high level by capacitor C 3 and diode D1, also by resistance R 1 ground connection, 3 pin of binding post J1 link to each other with 2 pin of DLL (dynamic link library) PG-FP4, and 1 pin of binding post RET connects the VCC high level; Programming connects the 1 pin ground connection of PG-FP4, and 4 pin connect the VCC high level.
3 pin of CAN transceiver U2 connect the VCC high level, and by capacitor C 4 ground connection, 2 pin ground connection, 8 pin are by resistance R 3 ground connection, 1 pin is connected with 6 pin of photoelectrical coupler N1,4 pin are connected with 3 pin of photoelectrical coupler N2 by resistance R 6, and 6,7 pin of CAN transceiver U2 are connected with 1,2 pin of CAN interface JP1 respectively by parallel resistance R4, R5; 1,2 of CAN interface JP1 is connected with 1,2 pin of flue PT respectively, and 1 pin of flue PT is by resistance R 8, R10, diode D4, D5 ground connection, and resistance R 8, R10 series connection place are by Transient Suppression Diode TVS D2 ground connection; 2 pin of flue PT are by resistance R 7, R9, diode D6, D7 ground connection, and resistance R 7, R9 series connection place are by Transient Suppression Diode TVS D3 ground connection.
2 of photoelectrical coupler N1 connects the VCC high level, and 8 pin connect the VCC high level and pass through capacitor C 5 ground connection, 5 pin ground connection, and 3 pin of photoelectrical coupler N1 connect 19 pin of microprocessor U1 by resistance R 11; 2 pin of optical coupler N2 connect the VCC high level, and 5 pin ground connection connect between 5 pin and 8 pin between capacitor C 6,6 pin and 8 pin and are connected with resistance R 12, and are connected with 20 pin of microprocessor U1.
2 pin of serial communication chip U3 connect the VCC high level by capacitor C 8, and 16 pin also connect the VCC high level and pass through capacitor C 12 ground connection, connect capacitor C 9 between 1,3 pin of serial communication chip U3,4, connect capacitor C 10 between 5 pin, 6 pin are by capacitor C 11 ground connection, 13 pin of serial communication chip U3,14 pin connect 3 pin, 2 pin of serial line interface DB9 respectively, and 11 pin connect 27 pin of microprocessor U1, and 12 pin connect 28 pin of microprocessor U1.
As shown in Figure 7:
Form the CAN window machine controller by microprocessor U1, CAN transceiver U2, U3, photoelectrical coupler N1-N4 and peripheral circuit thereof, to prolong the transmission range of CAN bus Control Network; Microprocessor U1 is the single-chip microcomputer with 2 road CAN controllers, is embedded with control coding and Data Transport Protocol.
1 pin of microprocessor U1,5 pin, 9 pin, 34 pin, 70 pin connect the VCC high level, 2 pin, 11 pin, 33 pin, 69 pin ground connection, 10 pin of microprocessor U1 are by capacitor C 3 ground connection, and 76 pin of microprocessor U1,26 pin, 25 pin, 8 pin connect 13 pin, 5 pin, 3 pin, 14 pin of DLL (dynamic link library) PG-FP4 respectively.
Outer clock circuit is by crystal oscillator X1, and capacitor C 1, C2 form, and 12,13 pin of microprocessor U1 meet crystal oscillator X1, then respectively by capacitor C 1, and C2 ground connection.
Power on indication and reset circuit by diode D1, resistance R 1, R2, capacitor C 4, C5, C6, push-button switch SW and binding post JP2 form, resistance R 2 connects the VCC high level, links to each other with the LED light-emitting diode is anodal, with the indicating circuit that powers on shunt capacitance C6 ground connection composition.Resistance R 1 connects the VCC high level, with capacitor C 4 anodal connect ground connection, R1 two ends parallel diode D1 then, capacitor C 4 two ends shunt capacitance C5 and button SW, capacitor C 4 positive poles connect 1 pin of binding post JP2, and binding post 2 pin connect 14 pin of microprocessor U1, form reset circuit.
The two-way CAN bus datel circuit is respectively by CAN transceiver U1 and U2, photoelectrical coupler N1-N4, and capacitor C 7-C12, resistance R 3-R16 forms.
3 pin of CAN transceiver U2 connect the VCC high level, 2 pin ground connection, 2, serial connection capacitor C 7 between 3 pin, 8 pin are by resistance R 7 ground connection, 1 pin connects 6 pin of photoelectrical coupler N1 and connects the VCC high level by resistance R 9,4 pin connect 3 pin of photoelectrical coupler N2 by resistance R 10,6,7 pin of CAN transceiver U2 by and connecting resistance R3, R4 be connected to 1,2 pin of CAN Interface Terminal JP3.2,8 pin of photoelectrical coupler N1 connect the VCC high level, 5 pin ground connection, and 3 pin connect 19 pin of microprocessor U1 by resistance R 13,2 pin of photoelectrical coupler N2 connect the VCC high level, 5 pin ground connection connect capacitor C 9,8 pin meet microprocessor U1 by resistance R 14 21 pin between 5 pin and 8 pin.
3 pin of CAN transceiver U3 connect the VCC high level, 2 pin ground connection, 2, serial connection capacitor C 11 between 3 pin, 8 pin are by resistance R 8 ground connection, 1 pin connects 6 pin of photoelectrical coupler N3 and connects the VCC high level by resistance R 9,4 pin connect 3 pin of photoelectrical coupler N4 by resistance R 12,6,7 pin of CAN transceiver U3 by and connecting resistance R5, R6 be connected to 1,2 pin of CAN Interface Terminal JP4.2,8 pin of photoelectrical coupler N3 connect the VCC high level, 5 pin ground connection, and 3 pin connect 31 pin of microprocessor U1 by resistance R 15,2 pin of photoelectrical coupler N4 connect the VCC high level, 5 pin ground connection connect capacitor C 12,8 pin meet microprocessor U1 by resistance R 16 32 pin between 5 pin and 8 pin.
As shown in Figure 8:
Form the preposition controller of system by microprocessor U1, video switcher U2, power tube U3 and CAN transceiver U4 and peripheral circuit thereof, the control The Cloud Terrace carries out the track action of upper and lower, left and right all directions and the adjusting control of camera lens being carried out zoom (ZOOM), focusing (FOUCS), aperture (mB).
11 pin of microprocessor U1 connect the VCC high level, 10,33 pin ground connection, and 5 pin are by resistance R 2 ground connection, and 9 pin are by capacitor C 4 ground connection, and 6,29,30,31 pin of microprocessor U1 connect 14,3,5,7 pin of DLL (dynamic link library) PG-FP4 respectively.The 1 pin ground connection of DLL (dynamic link library) PG-FP4,4 pin connect the VCC high level.
Reset circuit is made up of resistance R 1, capacitor C 3, diode D1 and binding post RET, J1,1 pin of binding post J1 connects the VCC high level by capacitor C 3 and diode D1, and by resistance R 1 ground connection, 2 pin of binding post J1 connect 3 pin of microprocessor, 1 pin of binding post RET connects the VCC high level, 2 pin connect 1 pin of binding post J1, and 3 pin of binding post J1 are connected with 2 pin of DLL (dynamic link library) PG-FP4.
Outer clock circuit is by crystal oscillator X1, and capacitor C 1, C2 form, and 7,8 pin of microprocessor U1 are connected with crystal oscillator X1 respectively, then respectively by capacitor C 1, and C2 ground connection.
40 pin of video switcher U2 connect the VCC high level and by capacitor C 11 ground connection, 4,5,16,20,22,23 pin are ground connection respectively, and 2,3,18,24,25,36,38 pin connect 36,37,39,34,35,40,38 pin of microprocessor U1 respectively; The 32 pin incoming video signal Video-In of video switcher U2,37 pin outputting video signal signal Video-Out.
3 pin of CAN transceiver U4 connect the VCC high level, 2 pin ground connection, 2, serial connection capacitor C 7 between 3 pin, 8 pin are by resistance R 14 ground connection, 1 pin of CAN transceiver U4 connects 6 pin of photoelectrical coupler U5,4 pin connect 3 pin of photoelectrical coupler U6 by resistance R 17,6,7 pin by and connecting resistance R10, R11 be connected to 1,2 pin of CAN Interface Terminal JP3.2,8 pin of photoelectrical coupler U5 connect the VCC high level, 5 pin ground connection, and 3 pin connect 19 pin of microprocessor U1 by resistance R 18,2 pin of photoelectrical coupler U6 connect the VCC high level, 5 pin ground connection connect capacitor C 6,8 pin meet microprocessor U1 by resistance R 19 20 pin between 5 pin and 8 pin.
1,2 pin of flue PT are connected with 1,2 pin of CAN Interface Terminal JP3 respectively, and 1 pin of flue PT is by resistance R 12, R15, diode D4, D5 ground connection, and resistance R 12, R15 series connection place are by Transient Suppression Diode TVS D2 ground connection; 2 pin of flue PT are by resistance R 13, R16, diode D6, D7 ground connection, and resistance R 13, R16 series connection place are by Transient Suppression Diode TVS D3 ground connection.
9 pin of power tube U3 connect the VCC high level, 8 pin ground connection, 8, serial connection capacitor C 12 between 9 pin, the 1-7 of amplifirer U3 meets the 19-12 of microprocessor U1 respectively, and difference pull-up resistor R3-R9,1 pin of relay S1-S7 connects the VCC high level respectively, 2 pin connect the 16-10 pin of power tube U3 respectively, and connect diode D8-D14 respectively between 1,2 pin, and 3 pin of relay S1-S7 connect the AC/DC power supply respectively, 5 pin connect 1 pin of binding post Z1-Z7 respectively, and 2 pin of binding post Z1-Z7 are ground connection respectively.
2,3 pin of driving tube U7 connect the VCC high level, and by capacitor C 8 ground connection, 5,8 pin ground connection, 6 pin of driver U6 and 7 pin connect 25 pin and 24 pin of microprocessor U1 respectively, and difference pull-up resistor R21 and R20,1,2 pin connect 1,2 pin of binding post Z8 respectively.
2 pin, 3 pin of driving tube U8 connect the VCC high level, and by capacitor C 8 ground connection, 5,8 pin ground connection, 6 pin of driver U7 and 7 pin connect 29 pin and 26 pin of microprocessor U1 respectively, and difference pull-up resistor R23 and R22,1,2 pin connect 1,2 pin of binding post Z9 respectively.
2 pin, 3 pin of driving tube U9 connect the VCC high level, and by capacitor C 8 ground connection, 5,8 pin ground connection, 6 pin of driver U8 and 7 pin connect 31 pin and 30 pin of microprocessor U1 respectively, and difference pull-up resistor R25 and R24,1,2 pin connect 1,2 pin of binding post Z10 respectively.
Claims (10)
1, the video monitoring warning system of controlling based on the CAN Network Transmission, comprise video input, alarm unit, sensor control signal, hard disc recording input, monitor unit, power supply DC-DC and video difference images network, it is characterized in that: also comprise system controller, video difference control module, video CAN control module and CAN bus control signal transmission network; The video input is connected with video difference control module, and links to each other with system controller by video difference images network; Alarm unit is connected with video CAN control module, and links to each other with system controller by CAN bus control signal transmission network; Video CAN control module is connected with video difference control module; System controller utilizes CAN bus control signal transmission network and links to each other with the hard disc recording input by video CAN control module or video difference images network, monitor unit is connected with video CAN control module, and link to each other with system controller by CAN bus control signal transmission network, system controller utilizes video difference images network to be connected with monitor unit, and power supply DC-DC is connected with system controller.
2, the video monitoring warning system based on CAN Network Transmission control according to claim 1 is characterized in that: system controller is made up of CAN bus signals monitoring transmission and monitoring alarm control unit, CAN bus and video differential transfer and synchronous and time-sharing switch control unit and bridge joint repeater control unit.
3, video monitoring warning system based on the control of CAN Network Transmission according to claim 2, it is characterized in that: CAN bus signals monitoring transmission and monitoring alarm control unit comprise: first microprocessor, video CAN control module, the monitoring alarm module, sensor control signal, video difference control module, first clock module and a CAN interface module, first microprocessor links to each other with video CAN control module, video CAN control module links to each other with video difference control module, first microprocessor links to each other with the monitoring alarm module, sensor control signal and first microprocessor interconnection, first microprocessor links to each other with video difference control module, first clock module and first microprocessor interconnection, a CAN interface module and first microprocessor interconnection.
4, the video monitoring warning system based on the control of CAN Network Transmission according to claim 3, it is characterized in that: video CAN control module is the control board that is embedded with the CAN communication interface, comprises video input, control The Cloud Terrace and video difference branch emission module;
The monitoring alarm module is one or more the combination in any in alarm, induction, infrared, broken, searchlight, fingerprint or the smog alarm actuator.
5, the video monitoring warning system based on the control of CAN Network Transmission according to claim 2, it is characterized in that: the CAN bus comprises with video differential transfer and synchronous and time-sharing switch control unit: second microprocessor, Video signal, video difference sub-module, A/D modular converter, FIFO memory module, second clock module and the 2nd CAN interface module; The Video signal is input to the video difference sub-module, second microprocessor links to each other with the video difference sub-module, the video difference sub-module links to each other with the A/D modular converter, the A/D modular converter links to each other with second microprocessor, the FIFO memory module and second microprocessor are interconnected, second microprocessor links to each other with the second clock module, and the 2nd CAN interface module and second microprocessor are interconnected.
6, the video monitoring warning system based on the control of CAN Network Transmission according to claim 5 is characterized in that: the video difference sub-module divides emission module and video differential received module to form by video difference.
7, the video monitoring warning system based on the control of CAN Network Transmission according to claim 2 is characterized in that: bridge joint repeater control unit is made up of video transmission trunk module, CAN bus transfer control trunk module.
8, the video monitoring warning system based on the control of CAN Network Transmission according to claim 7, it is characterized in that: the video transmission trunk module comprises dedicated video differential operational amplifier, video input, video output, power module and lightning protection and electrostatic discharge protective circuit; The video input links to each other with the dedicated video differential operational amplifier; the dedicated video differential operational amplifier links to each other with video output; power module links to each other with lightning protection and electrostatic discharge protective circuit with the dedicated video differential operational amplifier respectively, and lightning protection and electrostatic discharge protective circuit link to each other with the dedicated video differential operational amplifier.
9, the video monitoring warning system based on the control of CAN Network Transmission according to claim 7 is characterized in that: CAN bus transfer control trunk module comprises the 3rd microprocessor, the 3rd clock module, memory module, the 3rd CAN interface module and the 4th CAN interface module; The 3rd clock module links to each other with the 3rd microprocessor, memory module and the interconnection of the 3rd microprocessor, and the 3rd CAN interface module, the 4th CAN interface module interconnect mutually with the 3rd microprocessor respectively.
10, according to claim 3,5 or 9 described video monitoring warning systems based on the control of CAN Network Transmission, it is characterized in that: first, second, third microprocessor is the single-chip microcomputer with CAN control unit interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202331297U CN201345705Y (en) | 2008-12-25 | 2008-12-25 | Video monitoring alarm system based on CAN network transmission control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202331297U CN201345705Y (en) | 2008-12-25 | 2008-12-25 | Video monitoring alarm system based on CAN network transmission control |
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| CN201345705Y true CN201345705Y (en) | 2009-11-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848285A (en) * | 2018-02-08 | 2018-11-20 | 广州波视信息科技股份有限公司 | A kind of high-definition camera processing system for video and method |
| CN113014860A (en) * | 2019-12-20 | 2021-06-22 | 杭州海康威视数字技术股份有限公司 | Camera system |
-
2008
- 2008-12-25 CN CNU2008202331297U patent/CN201345705Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848285A (en) * | 2018-02-08 | 2018-11-20 | 广州波视信息科技股份有限公司 | A kind of high-definition camera processing system for video and method |
| CN113014860A (en) * | 2019-12-20 | 2021-06-22 | 杭州海康威视数字技术股份有限公司 | Camera system |
| CN113014860B (en) * | 2019-12-20 | 2023-03-14 | 杭州海康威视数字技术股份有限公司 | Camera system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG SHENPU TRAFFIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANDONG SHENPU AUTOMOTIVE CONTROL TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 255086 room 521, building E, hi tech Pioneer Park, Zibo hi tech Industrial Development Zone, Zibo, Shandong Patentee after: Shandong Shenpu Traffic Technology Co., Ltd. Address before: 255086 room 526, building E, hi tech Pioneer Park, hi tech Industrial Development Zone, Shandong, Zibo Patentee before: Shandong Shenpu Automotive Control Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20121225 |