CN1763856A - Videotape automatic playing system - Google Patents
Videotape automatic playing system Download PDFInfo
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- CN1763856A CN1763856A CN 200410083846 CN200410083846A CN1763856A CN 1763856 A CN1763856 A CN 1763856A CN 200410083846 CN200410083846 CN 200410083846 CN 200410083846 A CN200410083846 A CN 200410083846A CN 1763856 A CN1763856 A CN 1763856A
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Abstract
The invention discloses televisions broadcast station videotape self-play system in the broadcast and television media asset administration and regulate and control domain, which comprises the following parts: master control computer, multiaxial motion controller, alternating current servo system, bar code scanning detector, system power, electrical protection, state display, play cabinet and system control software. The system realizes the integral of automatic mechanic hand and specific control system, wherein the mechanic hand can put the videotape in the ordered video recorder through the specific control system and fetch the videotape out of the video recorder; the specific control system can record the data of videotape position, mechanic hand condition and video recorder condition accurately, which can receive the control of external software system and realize network with other computer systems.
Description
Technical field
The invention belongs to broadcasters asset management regulation and control field, particularly a kind of TV station video-tape is play access system automatically.
Technical background
TV station of current external many families has dropped into digital system that a huge sum of money research and development program storage the plays automation equipment of unifying.Japan has developed the robotization tape base system, but cost is higher, and can only solve general video-tape and play access issues, at defectiveness still also aspect inner preservation that realizes not outbound of tape of TV station and the use.And domesticly be still blank in this field.
Summary of the invention:
The objective of the invention is to, adopt advanced video recording automatic playing system to replace traditional labor management mode, realization TV station video-tape is play access system total digitalization and robotization automatically.
The major technique target that the present invention realizes: extract and specify video-tape; Play and specify video-tape; The intelligence operation of mechanical arm.
Feature of the present invention is that system controlling software is formed by main control computer, multi-axis motion controller PMAC, AC servo, bar code scan detecting device, system power supply, electric protection, state demonstration, playing cabinet.
The present invention has realized the integrated of automatic mechanical hand and dedicated control system thereof.Mechanical arm can be placed video-tape by the control of dedicated control system and specify in the video recorder, also can take out video-tape from specify video recorder.Realize video-tape record and broadcast etc. utilizes function again, this function is limited by the control of dedicated control system.This cover dedicated control system not only can the accurate recording video-tape position, mechanical arm state, video recorder in data such as state, but also can accept the control of external software system, realize networking with other computer systems.
Main tasks such as the video-tape that the present invention finishes appointment by external control computing machine or internal control computer control instruction is got and deposited, retrieves, broadcast.
System controlling software of the present invention is by system initialization module, playing cabinet instruction transmitting serial port Event triggered module, the timer event trigger module, tape library is with playing cabinet instruction transmitting serial port Event triggered module, barcode data is checked and accepted the Event triggered module, the barcode data receiver module, tape library command reception module, playing cabinet PMAC state of a control enquiry module, playing cabinet instruction accepting module, playing cabinet PMAC motion-control module, bar code inquiry control module, the instruction pretreatment module, the instruction checking module, the data structure definition module is formed.
This Control Software is divided into two layers, and wherein ground floor is to operate in the industrial computer, and the second layer operates in PMAC card the inside, and the program of ground floor adopts the VB establishment, and the second layer is the language environment establishment of adopting PMAC to carry, mainly is PLC program and PROG program.The program of VB is in the middle layer of software systems, the serial communication control that adopts VB to carry to external unit (host computer) carries out communication, to the program in the following PMAC card, the software interface that the device drives dynamic link libraries of use PMAC provides uses P variable (system variable of PMAC) to carry out the system message transmission.
Software of the present invention is realized the intellectuality of system, and software design comprises the establishment of system controlling software and service application software.System controlling software is the bottom software in the kinetic control system.This software links together closely with hardware and physical construction.The present invention has finished the servo motion Design of software, the design of intelligence control system bottom software, the design of the design of internal communication software and application interface agreement and corresponding software between protocol layer.The software engineering of above various piece integrates, can the construction system Control Software.This is the basis that control system can turn round and expand.Maintenance data storehouse technology, this application software bottom connect video recording tape pool electrical apparatus control system.
Interface design of the present invention
1. user interface: user's great majority operation can be finished with the keyboard and the mouse of terminal.
2. communication interface: client computer adopts ICP/IP protocol to communicate by letter with host computer system.Pass through the communication of RS422 serial communication protocol between client and the industrial computer.Video recorder and controller communicate by the RS422 serial communication protocol.
Physical construction of the present invention:
The playing cabinet cabinet; Support; The video recording cassette holder; Video recorder; Mechanical arm; The mechanical arm track; Manipulator paw; The bar code scan detecting device.The tape of preparing broadcast is placed on playing cabinet top, and private video recorder is placed in the bottom, and the playing cabinet front portion is provided with gets X, the Y that deposits video-tape, the mechanical arm of Z three-degree-of-freedom motion, and a bar code scan detecting device is installed on the mechanical arm.
This mechanical arm has three degree of freedom, by VTOL (vertical take off and landing) Z axle, moves horizontally X-axis, and flexible Y-axis of level and mechanical paw are formed.Its course of work is: in Dolly for transporting tape video-tape is taken out successively earlier, be placed on the storage portions on broadcast unit top.When playing, take off video-tape from storage portions, by three axle teamworks of mechanical arm, video-tape is sent in the video recorder cassette holder mouth, then video-tape is pushed video recorder.After video reproduction finishes, with its taking-up, be put back in the storage portions again.Simultaneously, this mechanical arm also is responsible for the video-tape of broadcast unit top storage portions is put back in the Dolly for transporting tape.
The automatic control system of mechanical arm of the present invention is according to centralized control, Decentralization, control procedure digitizing, the system control unit parts are integrated, control decision and process intellectuality, component modelsization, the principle of interconnection realizes the automatic control of overall process between system.
In order to control the working position of end effector exactly, adopt some position formula control mode, the key of control is the bearing accuracy that will reach total system.
In the work of playing cabinet, need correct differentiation object and the relation between the object, vision control must be used; Also need having or not of right judgement object, sense of touch control also must be used.In order to guarantee the simple in structure of control system, improve arithmetic speed, guarantee the real-time of control system, selected following controlling schemes.
1) adopts second computer control.The first order is undertaken system monitoring, task management task by microcomputer.The result of first order collection, computing controls the second level, and the second level adopts an industrial computer to finish the conversion control of electrical equipment to mechanical motion.
2) adopt intelligent AC servo control technology: AC servo motor and AC servo control system.
● total digitalization
Adopt the servo control unit of novel high speed microprocessor and special digital signal processor (DSP) that original hardware servo control is transformed into software servo control, thereby make the advanced algorithm of in servo-drive system, using modern control theory become possibility.
● Highgrade integration
New servo-drive system product has changed the way that servo-drive system is divided into two modules in speed servo unit and position servo unit, replaces single, Highgrade integration, multi-functional control module.Same control module, as long as by the software setting systematic parameter, just can change its performance, can constitute high-precision full cut-off ring regulating system by position, speed or the torque sensor of interface and outside again so that the code-disc that disposes with motor itself constitutes the semiclosed loop regulating system.The integrated volume that has also dwindled The whole control system significantly of height makes the installation and debugging work of servo-drive system all be simplified.
● intellectuality
A) have the parameters memorizing function, all operational factors of system can be provided with by software by interactive mode, are kept at servo unit inside, by communication interface, and these parameters even can be by the host computer correct.
B) have fault self-diagnosis and analytic function, no matter when, as long as system breaks down, the type of fault clearly will be shown by user interface, simplified the complicacy of maintenance with debugging.
C) has the function of parameter self-tuning.The setting parameter of closed-loop regulating system is the important step that guarantees system performance index, and the servo unit that has self-setting function can be by trial run several times, and the parameter tuning with system comes out automatically, and realizes its optimization automatically.
● modularization and networking
Servo-drive system has disposed the communication interface (as RS-232 or RS-442 interface etc.) of standard and special-purpose office's network interface.The setting of these interfaces, the servo unit of significant Ceng Qiang and the interconnected ability between other opertaing device, only optical cable of need or cable just can be with several, even tens of servo units and host computer are connected to become whole digital control system, also can pass through serial port, link with the numerical control module of position control card.
Major technique function of the present invention:
1. input request: play tape coding, priority, broadcast entrance, duration, whether specify video recorder, specify the video recording plane No..
2. inquiry playing request: tape is play the tape priority service that priority is high according to priority according to playing request.Detection has or not idle video recorder.If any idle video recorder, then directly the high tape of priority is put into video recorder, as do not specify video recorder, then system selects have idle video recorder to play.
3. play and specify video-tape: positional information that the appointment video-tape that the mechanical arm of broadcast unit provides according to system is deposited and bar code information find this video-tape at the video-tape storage portions by the scanning of the bar code detectors on the mechanical arm, be sure of errorless after, take out video-tape and put into the private video recorder cassette holder of appointment, and send the signal that puts in place, play.
4. fetch the appointment video-tape: when after the video-tape in the video recorder is finished using, needing to take out, the signal that provides according to supervisory computer, robot in the playing cabinet takes out video-tape in private video recorder, be placed in the storage area or by travelling bogie according to assigned address and send video recording tape pool original position back to.
The beneficial effect that the present invention obtains is:
1. built-in video recorder possesses automatic copy function.When video-tape is for public use, only lend duplicate plate, reduce artificially and damage, realized the management of " the not outbound of mother matrix band ".Be mother matrix band broadcast program signal in broadcast system, the borrower borrows content according to required recording.After putting and finish, the mother matrix strip sowing sends original position back to by automatic taking-up of mechanical arm.
2. regularly utilize the idle time of video recorder, stock's video-tape is carried out F.F. and rewind down in turn automatically, problem such as prevent that video-tape from sticking together adopts air-tight manner to preserve, and reaches the dustproof requirement of preserving video-tape, and the assurance video-tape can normally move.
3. after the networking of this system and infosystem, can realize remote playing video-tape content.
4. utilize built-in video recorder can realize the timed recording of exchanging program between each TV station.
Below in conjunction with drawings and Examples the present invention is done a detailed explanation.
Description of drawings
Fig. 1 is the playing cabinet front view;
Fig. 2 is the playing cabinet side view;
Fig. 3 is a playing cabinet front view A-A view;
Fig. 4 constitutes synoptic diagram for the playing cabinet hardware system;
Fig. 5 is a playing cabinet electrical principle block diagram;
Fig. 6 is a playing cabinet upper machine communication synoptic diagram;
Fig. 7 is a playing cabinet software system structure synoptic diagram;
Fig. 8 is a playing cabinet software control system module diagram;
Fig. 9 plays subroutine flow chart for the playing cabinet video-tape.
Embodiment
Playing cabinet physical construction sees that Fig. 1～3: 1 is the playing cabinet cabinet, 2 are the video recording cassette holder, 3 is mechanical arm, and 4 is video recorder, the 5 cassette holder dollies for the video recording tape pool, 6 is support, 7 is mechanical arm Z axle track, and 8 is manipulator paw, and 9 is the bar code scan detecting device, 10 is mechanical arm Y-axis track, and 11 is mechanical arm X-axis track.
The playing cabinet hardware system constitutes and sees Fig. 4: 41 are the communications protocol of self-defining opertaing device, it is the control interface of external unit controls playing operation, it adopts the communication modes of RS422, the 42nd, built-in industrial computer, the 43rd, the PMAC card in the built-in industrial computer that the device driver computer bus connects, this card can drive a plurality of motor, finish complicated control task, this card itself has the control system software of oneself, can under system of the present invention, work out the PLC program, two kinds of programs cooperate the control that can finish multiple motion, the 44th, the direct-connected servo-driver of lead, it is the control signal that PMAC sends to be changed amplify the rear drive motor, and it also feeds back the movable information of motor to PMAC, the 45th, motor simultaneously.
Playing cabinet electrical principle block diagram is seen Fig. 5: 51 power switches are air switch, 52 A.C. contactors, 53 insurances, 54 wave filters: elimination exchanges clutter, 55 transformers: the alternating voltage of 380v is become the 220v alternating voltage, 56 direct supplys: change alternating current into the 24v direct current, 57 detents: when emergency episode occurring, cut off the electricity supply, 58 is the X-axis ac servo amplifier: the driver of commander's mechanical arm transverse movement, 59 is Z axis AC servoamplifier: the driver of commander's mechanical arm lengthwise movement, 510 are the Y-axis ac servo amplifier: the driver that commander's mechanical arm seesaws, 511 step motor drive plates: commander's hand is grabbed the motor-driven of band, 512 insurances, 513 isolating transformers: be used for the isolation of power supply, 514 wave filters: elimination exchanges clutter, 515 direct supplys: change alternating current into the 24v direct current, 516 direct supplys: change alternating current into the 5v direct current, 517 industrial computers: the computing machine of command system work, 518 pilot lamp that power on: the various states that are used for indication mechanism after system's energising, 519 relay boards: be used for the isolation of each I/O mouth and signal controlling plate, article 520, code controller: be used to control barcode scanner, 521 is ACC8S: the interface board of Digital Signals plate, 522ACC8S: the interface board of Digital Signals plate, 523 signaling conversion circuits: with the conversion of signals of digital control plate output is the signal of control step motor.
The playing cabinet upper machine communication is seen Fig. 6: 61 are industrial computer, the 62nd, and the MOXA card in the PMAC card in the industrial computer, 63 servers, the 64th, server, the 65th, be video recorder, industrial computer and video recorder and server carry out communication by the RS422 interface as shown in the figure.
The playing cabinet software system structure is seen Fig. 7: 71 are the interface protocol of self-defining opertaing device, it is the control interface of external unit to playing cabinet, communication modes is RS422, the 72nd, the VB program, it also is the executive program of system of the present invention, mainly contain following function: instruction is made an explanation, carry out funcall (adopting P call by variable bottom function) according to the content of instruction, by RS422 return movement state and result, the 73rd, operate in the program on the PMAC card, it is according to the difference of upper procedure to P variable transmission value, carries out corresponding action, and state and result that action is carried out also are the software that passes to the upper strata by the P variable.
Playing cabinet software control system module is seen Fig. 8: 81 are system initialization module, the 82nd, playing cabinet instruction transmitting serial port Event triggered module, the 83rd, the timer event trigger module, the 84th, tape library is with playing cabinet instruction transmitting serial port Event triggered module, the 85th, barcode data is checked and accepted the Event triggered module, the 86th, the barcode data receiver module, the 87th, tape library command reception module, the 88th, playing cabinet PMAC state of a control enquiry module, the 89th, playing cabinet instruction accepting module, the 810th, playing cabinet PMAC motion-control module, the 811st, bar code inquiry control module, 812 instruction pretreatment module, the 813rd, module, the 814th, data structure definition module are checked in instruction.Wherein 811; 812; 813; 814, be sharing module.
The playing cabinet video-tape is play the subroutine flow process and is seen Fig. 9; 91 request slips that display the play, all purpose video-tape codings of 92 inputs, priority, play the entrance, duration, whether specify video recorder, specify the video recording plane No., whether have vacant position 93 inquiry video recording tape pool dolly positions and playing cabinet video-tape memory block, as there is not a room, etc. record to be updated, as have vacant position, 94 notice video recording tape pools are opened back the video recording tape pool with dolly and will be specified video-tape to be put on the dolly by video recording tape pool mechanical arm, 95 move to the playing cabinet side with dolly, 96 have judged whether idle player, 97 have idle player then the playing cabinet mechanical arm find this video-tape and tape put into video recorder by the bar code detectors on mechanical arm scanning by mechanical arm, video-tape parameter and duration that 98 promptings are put into, 99 do not have idle player then to find this video-tape and by mechanical arm video-tape is put into playing cabinet video-tape working area by the scanning of the bar code detectors on the playing cabinet mechanical arm, if whether 910 video-tape dollies are empty not for to dally back 96;
911 video-tape replicon program entries, 912 show the video-tape state of all broadcasts, it denys idle video recorder that 913 inquiries have, if do not change 917 over to, if have, whether 914 inquiries have the video-tape that is not played, if do not change 917 over to, if have 915 with video-tape put into video recorder and the prompting purpose band (dead zone) is put into video recorder, 916 show that video recording takes the pre-entry point to, are recorded in to play to begin to begin after 5 seconds 917 inquiry dolly positions, enter 918 in the playing cabinet side, return 91 in video recording tape pool side, if whether 918 inquiries have the video-tape that plays to enter 919 otherwise whether return spare bits on 91, the 919 inquiry dollies greater than 1, enter into 920 greater than 1 video-tape put into dolly, otherwise 921 notice video recording tape pools are put back to the dolly tape pool of recording a video in the storehouse with video-tape and returned 91 then.
Video-tape Play System of the present invention is accepted the order of the control computer of TV station inside, it is according to the action of the requirement control total system various piece of order, and controls playing cabinet-type air conditioner mechanical arm takes out work such as put into video-tape from the cassette holder of playing cabinet or video recorder or transport trolley; To superior system transmission native system running state information.
Claims (5)
1. videotape automatic playing system; it is characterized in that; this Play System is that system controlling software is formed by main control computer, multi-axis motion controller PMAC, AC servo, bar code scan detecting device, system power supply, electric protection, state demonstration, playing cabinet.
2. one kind is the control program of realizing the described videotape automatic playing system of claim 1, it is characterized in that, described system controlling software of the present invention is by system initialization module, playing cabinet instruction transmitting serial port Event triggered module, the timer event trigger module, tape library is with playing cabinet instruction transmitting serial port Event triggered module, and barcode data is checked and accepted the Event triggered module, the barcode data receiver module, tape library command reception module, playing cabinet PMAC state of a control enquiry module, playing cabinet instruction accepting module, playing cabinet PMAC motion-control module, bar code inquiry control module, the instruction pretreatment module, the instruction checking module, the data structure definition module is formed;
This Control Software is divided into two layers, and ground floor is to operate in the industrial computer, and the second layer operates in the PMAC card, and the program of ground floor adopts the VB establishment, and the language environment establishment that the second layer adopts PMAC to carry is mainly PLC program and PROG program; The program of VB is in the middle layer of software systems, the serial communication control that adopts VB to carry to external unit carries out communication, to the program in the following PMAC card, the software interface that the device drives dynamic link libraries of use PMAC provides uses the system variable of PMAC to carry out the system message transmission.
3. videotape automatic playing system according to claim 1 is characterized in that, described playing cabinet is by cabinet, video recorder, support, video recording cassette holder, mechanical arm, manipulator paw, mechanical arm X-axis track, mechanical arm Y-axis track, mechanical arm Z axle track, the bar code scan detecting device is formed; Be provided with the small-sized cassette holder of video-tape of placing the preparation broadcast on playing cabinet top, the bottom is provided with private video recorder, and the playing cabinet front portion is provided with gets X, the Y that deposits video-tape, the mechanical arm of Z three-degree-of-freedom motion, and this mechanical arm is by VTOL (vertical take off and landing) Z axle, move horizontally X-axis, flexible Y-axis of level and mechanical paw are formed.
4. according to claim 1,3 described videotape automatic playing systems, it is characterized in that the automatic control system of described mechanical arm:
1) adopts some position formula control mode;
2) adopt second computer control: the first order is undertaken system monitoring, task management task by microcomputer.The result of first order collection, computing controls the second level, and the second level adopts an industrial computer to finish the conversion control of electrical equipment to mechanical motion;
3) adopt intelligent AC servo control technology: AC servo motor and AC servo control system.
5. according to claim 1,3 described videotape automatic playing systems, it is characterized in that described bar code scan detecting device is installed on the mechanical arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100838462A CN100414625C (en) | 2004-10-20 | 2004-10-20 | Videotape automatic playing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100838462A CN100414625C (en) | 2004-10-20 | 2004-10-20 | Videotape automatic playing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1763856A true CN1763856A (en) | 2006-04-26 |
| CN100414625C CN100414625C (en) | 2008-08-27 |
Family
ID=36747951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100838462A Expired - Fee Related CN100414625C (en) | 2004-10-20 | 2004-10-20 | Videotape automatic playing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100414625C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685434A (en) * | 2011-03-18 | 2012-09-19 | 新奥特（北京）视频技术有限公司 | Method and system for controlling videotape recorders (VTRs) and based on Moxa serial port card |
| CN103280228A (en) * | 2013-06-05 | 2013-09-04 | 苏州互盟信息存储技术有限公司 | Near-line disk base |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4309250A1 (en) * | 1993-03-23 | 1994-09-29 | Grau Gmbh & Co Holdingges | Disk archive system |
| US6438623B1 (en) * | 1999-04-16 | 2002-08-20 | Ampex Corporation | Transfer unit extending between two or more cabinets for expansion of tape library systems |
-
2004
- 2004-10-20 CN CNB2004100838462A patent/CN100414625C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685434A (en) * | 2011-03-18 | 2012-09-19 | 新奥特（北京）视频技术有限公司 | Method and system for controlling videotape recorders (VTRs) and based on Moxa serial port card |
| CN103280228A (en) * | 2013-06-05 | 2013-09-04 | 苏州互盟信息存储技术有限公司 | Near-line disk base |
| WO2014194715A1 (en) * | 2013-06-05 | 2014-12-11 | 苏州互盟信息存储技术有限公司 | Near-line disk library |
| CN103280228B (en) * | 2013-06-05 | 2015-11-25 | 苏州互盟信息存储技术有限公司 | Near-line disk base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100414625C (en) | 2008-08-27 |
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Granted publication date: 20080827 Termination date: 20101020 |