CN102706213B - Real-time on-line detection device for working state of cannon photoelectric subsystem - Google Patents
Real-time on-line detection device for working state of cannon photoelectric subsystem Download PDFInfo
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Abstract
The invention discloses a real-time on-line detection device for the working state of a cannon photoelectric subsystem. In the device, a computer simulation stand based on the Windows XP operating system is changed to be a portable ARM embedded-type platform based on the WinCE6.0 operating system, the miniaturization and the simplification of a large-scale detection device are achieved, and quick mounting and flexible use during an external field test are facilitated; meanwhile, over-voltage protection and filter circuits are added on a CAN bus interface circuit, a chip is effectively prevented from being burnt out, and interferences brought by a complex electromagnetic environment where photoelectric equipment locates can be eliminated; detected contents are divided into a system grade module and a plurality of component grade modules by the CPU in the device, when in use, detection can be performed according to actual requirements and modules, therefore, the load of the CPU and the power consumption of the detection device are reduced, real-time on-line diagnosis to the state of the photoelectric system is facilitated, a failure part can be positioned accurately and quickly, the purpose of quick fault recovery is achieved, and manpower and physical resources are saved.
Description
Technical field
The invention belongs in fault detection technique field, a kind of Fault of artillery checkout gear relating to, relates in particular to a kind of device that can carry out real-time online detection to cannon photoelectricity subsystem duty.
Background technology
Certain type photoelectric tracking subsystem (hereinafter to be referred as photoelectricity subsystem) belongs to a subsystem of certain type artillery system, after system integration and test or payment army, is controlled by the unification of cannon total management system.For alleviating the communication load of bus, total management system leaves that to detect the display port of photoelectricity subsystem status information limited for, can not all know the status information of photoelectricity subsystem inside, the detailed operation state of photoelectricity subsystem while causing system integration and test, field trial, cannot be detected in real time, thereby also cannot accurately locate fault in the situation that photoelectricity subsystem breaks down.At present, the solution of this problem is first will disconnect photoelectricity subsystem to be connected with the cable of total management system, again analog manipulation platform (hereinafter to be referred as simulation table) is connected with photoelectricity subsystem, utilizes simulation table detect photoelectricity state and carry out fault location.But, simulation table adopts ruggedized computer as hardware platform and needs AC220V power supply, because simulation table cost is high, power consumption is large, bulky, not portable, installation is complicated, cause fault location, repair time longer, especially in the time of line using, seem particularly outstanding, finally affect the test of whole artillery system.In addition, simulation table self is used the communication of the realization of PCICAN interface card and photoelectricity subsystem, and interface display adopts whole screen display mode, and the status information of demonstration is also limited.On testing process, in one-period, need to receive multi frame detection data, need to before arriving, next cycle data complete ID judgement, code analysis, the screen display to this cycle multiframe data, thereby bus data amount is large, cpu load weight, the refresh rate of interface display is low, cause debugging, detect real-time poor, use inconvenience.Simultaneously; due in this type photoelectricity subsystem has been arranged on the limited vehicle body space of numerous electronic equipments integrated; CAN-bus bus is in complicated electromagnetic environment; the PCICAN interface of simulation table is without effective holding circuit in the situation that; very easily be interfered and produce fluctuation; cause the wrong report of detection information, even also can burn interface chip.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, for cannon photoelectricity subsystem provides a kind of portable real time on-line detection device.
For solving the problems of the technologies described above, real time on-line detection device provided by the invention comprises CPU, bus interface circuit, display screen and holding circuit, and holding circuit contains the first electric capacity, the second electric capacity, the first diode and the second diode; CPU and bus interface circuit are integrated in shielding box, display screen is embedded in the outside of shielding box, power interface, CAN-bus EBI are left in the outside of shielding box, wherein, signal positive pole by CAN-bus bus and CAN-bus EBI of the signal positive pole of bus interface circuit, negative pole and ground end, negative pole and corresponding being connected one by one, the first electric capacity and the first diodes in parallel between the signal positive pole of CAN-bus bus and ground and the positive pole of the first diode be connected to the ground; The second electric capacity and the second diodes in parallel between the signal negative pole of CAN-bus bus and ground and the positive pole of the second diode be connected to the ground.
CPU is built-in with testing software bag, testing software bag is divided into interface module and control module by function, the function of described interface module is, test the sub-interface of main interface and corresponding component content measurement in demonstration screen display, main interface is with " starting to detect " button, " stopping detecting " button, multiple " the sub-interface of split screen " buttons and system-level duty display window and system identifier code display window; On described sub-interface, contain component working state display window to change mouth, parts ID code display window and return push-button.
The function of described control module is, in the time receiving " starting to detect " button instruction, detect instruction to tested photoelectricity subsystem transmitting system level, read the system-level detection data of photoelectricity subsystem output, reading out data is judged, if first frame data, first frame data are translated into the word corresponding with photoelectricity subsystem duty, system-level duty display window and the ID code display window of photoelectricity subsystem duty and first frame data being delivered to respectively to main interface show simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word corresponding with photoelectricity subsystem duty, refresh respectively system-level duty display window and the ID code display window on main interface with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, when receiving while stopping test button instruction, send halt system level to photoelectricity subsystem and detect instruction, in the time receiving certain " the sub-interface of split screen " button instruction, on display, show corresponding sub-interface and send corresponding component to tested photoelectricity subsystem simultaneously and detect instruction, the corresponding component that reads the output of photoelectricity subsystem detects data, reading out data is judged, if first frame data, first frame data are translated into the word conforming to corresponding component duty and be presented at the component working state display window to change mouth at current sub-interface, parts are detected to data delivers to the ID code display window at current sub-interface and shows simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word conforming to corresponding component duty, refresh respectively word in the component working state display window to change mouth at current sub-interface and the data in ID code display window with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, in the time receiving return push-button instruction, send and stop detecting instruction and returning to main interface when forepiece to photoelectricity subsystem.
Beneficial effect of the present invention is embodied in the following aspects.
(1) the present invention changes the computer platform based on Windows XP operating system in prior art (being simulation table) for the portable ARM embedded platform based on WinCE 6.0 operating systems, its internal module circuit is all selected from the chip of maturation and batch production, not only there is high cost performance, and miniaturization, the simplification of large-scale checkout gear are realized, be convenient to Fast Installation, use flexibly in the time of field trial, thereby improved maintainability, the reliability of weaponry.
(2) because the present invention is that CAN-bus bus interface circuit has increased protecting circuit designed; can overcome well the interference that optoelectronic device complex electromagnetic environment of living in brings; reliable and stable hardware circuit has reduced the rate of false alarm of fault message; improve the reliability of equipment, laid the foundation for locating fast and accurately fault.
(3) the present invention is divided into seven modules according to the formation of photoelectricity subsystem by testing process, an i.e. system-level detection module and six component-level detection modules, can detect by module as required, between each module detection period, checkout gear of the present invention receives only, processes the detection data of this module, thereby can greatly reduce bus data amount, reduce the power consumption of cpu load and checkout gear, be conducive to the real-time online diagnosis to photoelectricity state; In addition, the testing result of system-level detection module shows on main interface, the testing result of six component-level detection modules is in each self-corresponding split screen interface display, checkout gear of the present invention can show with mode word the detailed status information of detected photoelectricity equipment, make maintenance support personnel can know at a glance the duty of optoelectronic device, can locate quickly and accurately trouble location, thereby realize the object of quick reparation fault, and save valuable time and funds.
Brief description of the drawings
Fig. 1 is the theory diagram of checkout gear of the present invention.
Fig. 2 is the CAN-bus EBI holding circuit figure in the present invention.
Fig. 3 is detection control flow block diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
As shown in Figure 1; the preferred embodiment of the portable real time on-line detection device of the present invention adopts the Embedded Hardware Platform taking ARM9 as core, and it comprises that model is CPU, bus interface circuit D1, wire jumper interface XP1, CAN-bus EBI XP2, display screen, the holding circuit of LPC3250.It is 6.4 inches of TFT color liquid crystal touch screens of 640x480 that display screen is selected resolution ratio, CPU and bus interface circuit D1 are integrated on a circuit board, circuit board integral installation is in a shielding etui, DC5V power supply interface and CAN-bus EBI XP2 are left in the outside of box, can realization detect being connected of interface with the CAN-bus bus of external power source and photoelectricity subsystem.The original cable of photoelectricity subsystem connects without variation, can not affect the work of other subsystem of cannon, and total management system can be controlled the work of photoelectricity subsystem as usual when on-line measuring device work of the present invention.Bus interface circuit D1 can realize with the CAN-bus bus data of photoelectricity subsystem and communicating by letter.The CAN controller of bus interface circuit D1 is selected SJA1000T, and HCPL-0630 is selected in photoelectricity isolation, and CAN transceiver is selected PCA82C250T, and insulating power supply module is selected RS-0505S.The anodal CANH of signal of the anodal CANH of the anodal two ends of CAN-bus bus and the signal of bus interface circuit D1 and CAN-bus EBI XP2 connects one to one, the signal negative pole CANL of the negative pole two ends of CAN-bus bus and the signal negative pole CANL of bus interface circuit D1 and CAN-bus EBI XP2 connects one to one, and CAN-bus bus two ends, ground and the ground CANG of bus interface circuit D1 and the ground CANG of CAN-bus EBI XP2 connect one to one.For the residing complex electromagnetic environment of CAN-bus bus; the data that collect are easily disturbed and may produce erroneous judgement; even may burn the problem of interface chip, the CAN-bus bus of the present invention between bus interface circuit D1 and CAN-bus EBI XP2 increased holding circuit.
Shown in Fig. 2, holding circuit contains three polarity free capacitor C1, C2, C3, two diode V1, V2, two resistance R 1, R2; Capacitor C 1 and diode V1 are connected in parallel between the anodal CANH of signal of CAN-bus bus and ground CANG and the positive pole of diode V1 is connected with ground CANG; Capacitor C 2 and diode V2 are connected in parallel between the signal negative pole CANL of CAN-bus bus and ground CANG and the positive pole of diode V2 is connected with ground CANG.The capacitance of nonpolarity little capacitor C 1, C2 is 30pF, is used for the High-frequency Interference of filtering CAN-bus bus.Diode V1, V2 are in the time that CAN-bus bus has higher negative voltage, and the short circuit of diode V1, V2 can be played certain overvoltage protection effect, thereby have reduced the possibility of burning interface chip.On CAN-bus bus ground wire, be connected in series a wave filter being composed in parallel by resistance R 2 and capacitor C 3, can play the effect of filtering, reduce the noise jamming on CAN-bus bus ground.Wire jumper interface XP1 is connected in parallel on after connecting with terminal resistance R1 between the anodal CANH of signal and negative pole CANL of CAN-bus bus, terminal resistance R1 meets the anodal CANH of signal of CAN-bus bus, if when bus requirements increases terminal resistance, by wire jumper interface XP1 short circuit.Holding circuit is only used resistance, electric capacity and diode just can reach the object that improves bus reliability; and cost is very low; got rid of the impact causing because of electromagnetic interference, reliable and stable hardware platform has reduced the rate of false alarm of fault message, lays the foundation for locating fast and accurately fault.
CPU is core composition of the present invention, and it is built-in with testing software bag, and testing software bag is divided into interface module and control module by function.The function of interface module is, test the sub-interface of main interface and corresponding component content measurement in demonstration screen display, on main interface, include " starting to detect " button, " stopping detecting " button, six " the sub-interface of split screen " buttons and system-level duty display window and a system identifier code display window.The title of six " the sub-interface of split screen " buttons is respectively photo-electric control case, thermal infrared imager, television camera, range finder using laser, video tracker and photoelectric turntable.System-level duty is divided into: the invalid or fight of mode of operation or fault diagnosis or actual load training, invalid or the standby of system mode or guiding or intercepting and capturing or tracking or photoelectricity are servo-actuated or make zero or make zero or surely take aim at or air route or fault, servo condition is invalid or starting shooting or starting shooting or shutting down or shutting down or fault, invalid or the infrared tracking of tracking mode or TV tracking or complex tracking or semiautomatic tracing or memory are followed the tracks of, invalid or the normal or fault of communication, servo azimuth, the servo angle of site, system identifier code display window shows the system level testing data of tested photoelectricity subsystem.
Photo-electric control case interface contains component working state display window to change mouth, ID code and return push-button; component working state is divided into: the normal or fault of power supply; normal or the fault of data communication plate; normal or the fault of digital control plate; normal or the fault of data acquisition board, the normal or fault of signal-processing board, the normal or fault of orientation drive plate; normal or the fault of height drive plate, ID code display window shows the test data of tested photoelectricity subsystem photo-electric control case.
Thermal infrared imager interface contains component working state display window to change mouth, ID code and return push-button; component working state is divided into: in refrigeration or start is good or fault; normal or the fault of communication; video is exported normal or fault; infrared visual field is little or large; infrared cross hairs has or nothing, and infrared mode is black or white, and ID code display window shows the test data of tested photoelectricity subsystem thermal infrared imager.
Television camera interface contains component working state display window to change mouth, ID code and return push-button, component working state is divided into: the good or fault of start, the normal or fault of communication, the normal or fault of video output, TV visual field little in or large, TV cross hairs has or nothing; ID code display window shows the test data of tested photoelectricity subsystem television camera.
Range finder using laser interface contains component working state display window to change mouth, ID code and return push-button; component working state is divided into: standby or self-inspection or range finding or fault; the normal range finding of distance measuring states or without laser or without echo or shutdown or overtime warning; normal or the fault of communication; range finding distance; laser temperature, laser circuit plate LD fault or TQ fault or temperature control fault or receiving circuit fault, ID code display window shows the test data of tested photoelectricity subsystem range finder using laser.
Video tracker interface contains component working state display window to change mouth, ID code and return push-button; component working state is divided into: the normal or fault of communication; infrared or the TV of output video; the search of tv state word or tracking or standby, the search of infrared state word or tracking or standby, TV azimuthal error; TV height error; infrared azimuthal error, infrared height error, ID code display window shows the test data of tested photoelectricity subsystem video tracker.
Photoelectric turntable interface contains component working state display window to change mouth, ID code and return push-button; component working state is divided into: the normal or fault of power supply; normal or the fault of traverse gyro; traverse gyro output valve, the normal or fault of height gyro, height gyro output valve; orientation lock solution locks or adds and locks or fault; height is locked solution and is locked or add and lock or fault, the normal or fault of signal distribution board, and ID code display window shows the test data of tested photoelectricity subsystem photoelectric turntable.
The function of described control module is, in the time receiving " starting to detect " button instruction, detect instruction to tested photoelectricity subsystem transmitting system level, read the system-level detection data of photoelectricity subsystem output, reading out data is judged, if first frame data, first frame data are translated into the word corresponding with photoelectricity subsystem duty, system-level duty display window and the ID code display window of photoelectricity subsystem duty and first frame data being delivered to respectively to main interface show simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word corresponding with photoelectricity subsystem duty, refresh respectively system-level duty display window and the ID code display window on main interface with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, when receiving while stopping test button instruction, send halt system level to photoelectricity subsystem and detect instruction, in the time receiving certain " the sub-interface of split screen " button instruction, on display, show corresponding sub-interface and send corresponding component to tested photoelectricity subsystem simultaneously and detect instruction, the corresponding component that reads the output of photoelectricity subsystem detects data, reading out data is judged, if first frame data, first frame data are translated into the word conforming to corresponding component duty and be presented at the component working state display window to change mouth at current sub-interface, parts are detected to data delivers to the ID code display window at current sub-interface and shows simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word conforming to corresponding component duty, refresh respectively word in the component working state display window to change mouth at current sub-interface and the data in ID code display window with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, in the time receiving return push-button instruction, send and stop detecting instruction and returning to main interface when forepiece to photoelectricity subsystem.
Claims (5)
1. a cannon photoelectricity subsystem duty real time on-line detection device, comprise CPU, bus interface circuit (D1) and display screen, it is characterized in that: described checkout gear also comprises holding circuit, holding circuit contains the first electric capacity (C1), the second electric capacity (C2), the first diode (V1) and the second diode (V2), CPU and bus interface circuit (D1) are integrated in a shielding box, display screen is embedded in the outside of shielding box, power interface is left in the outside of shielding box, CAN-bus EBI (XP2), wherein, the signal positive pole of bus interface circuit (D1), negative pole and ground end are by the signal positive pole of one section of CAN-bus bus and CAN-bus EBI (XP2), negative pole and ground end corresponding being connected one by one, the first electric capacity (C1) is connected with ground end with the positive pole of ground end and the first diode (V1) with the signal positive pole that the first diode (V1) is connected in parallel on CAN-bus bus, the second electric capacity (C2) and the second diode (V2) are connected in parallel between the signal negative pole of CAN-bus bus and ground end and the positive pole of the second diode (V2) is connected with ground end, CPU is built-in with testing software bag, testing software bag is divided into interface module and control module by function, the function of described interface module is, test the sub-interface of main interface and corresponding component content measurement in demonstration screen display, main interface is with " starting to detect " button, " stopping detecting " button, multiple " the sub-interface of split screen " buttons and system-level duty display window and system identifier code display window, on described sub-interface, contain component working state display window to change mouth, parts ID code display window and return push-button,
The function of described control module is, in the time receiving " starting to detect " button instruction, detect instruction to tested photoelectricity subsystem transmitting system level, read the system-level detection data of photoelectricity subsystem output, reading out data is judged, if first frame data, first frame data are translated into the word corresponding with photoelectricity subsystem duty, system-level duty display window and the ID code display window of photoelectricity subsystem duty and first frame data being delivered to respectively to main interface show simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word corresponding with photoelectricity subsystem duty, refresh respectively system-level duty display window and the ID code display window on main interface with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, when receiving while stopping test button instruction, send halt system level to photoelectricity subsystem and detect instruction, in the time receiving certain " the sub-interface of split screen " button instruction, on display, show corresponding sub-interface and send corresponding component to tested photoelectricity subsystem simultaneously and detect instruction, the corresponding component that reads the output of photoelectricity subsystem detects data, reading out data is judged, if first frame data, first frame data are translated into the word conforming to corresponding component duty and be presented at the component working state display window to change mouth at current sub-interface, parts are detected to data delivers to the ID code display window at current sub-interface and shows simultaneously, if not first frame data, continue to judge that whether these frame data are consistent with former frame data, if change, these frame data are translated into the word conforming to corresponding component duty, refresh respectively word in the component working state display window to change mouth at current sub-interface and the data in ID code display window with current translation word and these frame data simultaneously, if these frame data are identical with former frame data, continue to gather next frame data, in the time receiving return push-button instruction, send and stop detecting instruction and returning to main interface when forepiece to photoelectricity subsystem.
2. cannon photoelectricity subsystem duty real time on-line detection device according to claim 1, is characterized in that: the capacitance of described first, second electric capacity (C1, C2) is 30pF.
3. cannon photoelectricity subsystem duty real time on-line detection device according to claim 1, is characterized in that: on the ground wire of described CAN-bus bus, be connected in series a wave filter being composed in parallel by resistance (R2) and the 3rd electric capacity (C3).
4. cannon photoelectricity subsystem duty real time on-line detection device according to claim 1, it is characterized in that: also comprise wire jumper interface (XP1) and terminal resistance (R1), wire jumper interface (XP1) is connected in parallel between the signal positive pole and negative pole of CAN-bus bus after connecting with terminal resistance (R1), and terminal resistance (R1) connects the signal positive pole of CAN-bus bus.
5. according to the cannon photoelectricity subsystem duty real time on-line detection device described in claim 1 or 2 or 3 or 4, it is characterized in that: described display screen is 6.4 inches of TFT color liquid crystal touch screens.
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| CN201210166969.7A CN102706213B (en) | 2012-05-25 | 2012-05-25 | Real-time on-line detection device for working state of cannon photoelectric subsystem |
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| CN104536353A (en) * | 2015-01-09 | 2015-04-22 | 西安应用光学研究所 | Comprehensive display control device used for airborne optoelectronic system |
| CN107819832A (en) * | 2017-10-23 | 2018-03-20 | 深圳市赛亿科技开发有限公司 | A kind of life of product feedback method and system |
| CN107966071A (en) * | 2017-11-24 | 2018-04-27 | 上海机电工程研究所 | The shape and color display of weapon type and state |
| CN111521075A (en) * | 2020-03-20 | 2020-08-11 | 北京国泰蓝盾科技有限公司 | High-precision remote-measuring-range laser spot tracker |
| CN112034813A (en) * | 2020-07-09 | 2020-12-04 | 西安方元明科技股份有限公司 | Follow-up system tracking function troubleshooting method |
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