阅读说明：本技术 一种通用坦克任务记录器 (General tank task recorder ) 是由 任凯 于 2021-08-14 设计创作，主要内容包括：本发明公开了一种通用坦克任务记录器,属于一种记录器,包括接口模块,其包括GPS/北斗输入单元、音频信号输入单元和事件按钮单元,所述GPS/北斗输入单元接收GPS/北斗送来的时间信息,所述音频信号输入单元接收来自坦克内话系统的音频,所述事件按钮单元直接接收飞机的光瞄准信号；本发明采用新型数字图像压缩编码技术,采用GPS/北斗时间统时,实现对坦克观瞄系统,综合显示系统画面的长时间对齐操作,按照统一规范进行数据的联合分析,实现对坦克训练结果的高效、快速、准确的判读；通过采用先进的H.264数字图像压缩编码技术,实现坦克观瞄系统,综合显示系统画面的长时间画面的高质量视频记录,实现具有高质量、长时间动态音视频压缩记录功能。(The invention discloses a universal tank task recorder, which belongs to a recorder and comprises an interface module, a GPS/Beidou input unit, an audio signal input unit and an event button unit, wherein the GPS/Beidou input unit receives time information sent by the GPS/Beidou, the audio signal input unit receives audio from a tank internal telephone system, and the event button unit directly receives an optical aiming signal of an airplane; the invention adopts a novel digital image compression coding technology, realizes the long-time alignment operation of a tank observing and aiming system and a comprehensive display system picture when a GPS/Beidou time system is adopted, performs the joint analysis of data according to the unified standard, and realizes the efficient, rapid and accurate interpretation of the tank training result; by adopting an advanced H.264 digital image compression coding technology, a tank viewing and aiming system is realized, the high-quality video recording of long-time pictures of the system pictures is comprehensively displayed, and the high-quality and long-time dynamic audio and video compression recording function is realized.)

1. A general tank task recorder which is characterized in that: the method comprises the following steps:

the interface module (1) comprises a GPS/Beidou input unit (11), an audio signal input unit (12) and an event button unit (13), wherein the GPS/Beidou input unit (11) receives time information sent by the GPS/Beidou, the audio signal input unit (12) receives audio from a tank internal telephone system, and the event button unit (13) directly receives an optical aiming signal of an airplane and is used for recording the time of a special event;

an optical module (2) projected on the CCD module (3) to form PAL-system analog video;

the compression module (4) is used for collecting PAL analog signals, recording the signals of the interface module (1) and carrying out high-efficiency compression coding according to the H.264 standard;

a storage module (5) for storing the signal compressed and encoded by the compression module (4);

and the power supply module supplies power to all the modules.

2. A universal tank task recorder according to claim 1, characterized in that said interface module (1) is further connected with a switch unit (14) and a recording stop control unit (15), said switch unit (14) receives a switch signal, said recording stop control unit (15) receives a recording stop signal.

3. A universal tank task recorder according to claim 1, characterized in that said optical module (2) comprises a cubic prism (21), a rectangular prism (22) and a lens group (23) for optical projection of images, said lens group (23) being a four-piece combined optical structure for high definition distortion-free image capture for different fields of view.

4. The universal tank task recorder according to claim 1, characterized in that the compression module (4) is composed of a core micro control unit (41), a 1-way RS422 interface (42), a 1-way RS232 interface (43), a video a/D unit (44), an audio a/D unit (45), and an h.264 video codec unit (46), wherein the video a/D unit (44) collects PAL analog signals, the audio a/D unit (45) receives signals input by the audio signal input unit (12), and the h.264 video codec unit (46) performs high-efficiency compression coding according to the h.264 standard.

5. A universal tank task recorder according to claim 4, characterized in that said core micro control unit (41) is a microcontroller of type S3C 2440.

6. A universal tank task recorder according to claim 4, characterized in that said video A/D unit (44) is a chip of model SAF 7118.

7. A universal tank task recorder according to claim 4, characterized in that said audio A/D unit (45) is a chip of type AK 4550.

Technical Field

The invention belongs to a recorder, and particularly relates to a universal tank task recorder.

Background

The post-evaluation of the tank confrontation training is mainly based on the objective analysis of task data. The traditional post-evaluation method is to download various tank task data including data of fire control, reactance, navigation, fault information and the like and corresponding video pictures. And respectively interpreting the recorded real data, comparing the real data with the recorded video pictures, and objectively giving a confrontation training result.

However, in actual use, due to the fact that the types of tanks are numerous, task data recorded on the tanks are different, time references of various types of data are inconsistent, relative time is adopted for some tanks, absolute time is adopted for some tanks, and absolute time is inconsistent between different airplanes due to system errors or time drift. Thereby bringing great difficulty to the objective evaluation after the incident. The data interpretation after training for the tank like this has brought great difficulty, often needs to spend a lot of energy in order to find the absolute time of an event, has seriously influenced tank training progress, has reduced the quality and the effect of tank training.

Disclosure of Invention

The invention aims to provide a universal tank task recorder for solving the problems of no image recording, no absolute time and discontinuous recording.

In order to achieve the purpose, the invention adopts the following technical scheme: a universal tank task recorder comprising:

the interface module comprises a GPS/Beidou input unit, an audio signal input unit and an event button unit, wherein the GPS/Beidou input unit receives time information sent by the GPS/Beidou, the audio signal input unit receives audio from a tank internal telephone system, and the event button unit directly receives an optical aiming signal of an airplane and is used for recording the time of a special event;

an optical module projected on the CCD module to form PAL analog video;

the compression module is used for collecting PAL analog signals, recording signals of the interface module and performing high-efficiency compression coding according to the H.264 standard;

the storage module is used for storing the signal compressed and coded by the compression module;

and the power supply module supplies power to all the modules.

As a further description of the above technical solution:

the interface module is also connected with a startup and shutdown unit and a recording stop control unit, the startup and shutdown unit receives startup and shutdown signals, and the recording stop control unit receives recording stop signals.

As a further description of the above technical solution:

the optical module comprises a cubic prism, a right-angle prism and a lens group, and is used for image optical projection, wherein the lens group is of a four-lens combined optical structure and is used for shooting high-definition distortion-free images with different view fields.

As a further description of the above technical solution:

the compression module comprises a core micro control unit, a 1-channel RS422 interface, a 1-channel RS232 interface, a video A/D unit, an audio A/D unit and an H.264 video coding and decoding unit, wherein the video A/D unit collects PAL analog signals, the audio A/D unit receives signals input by an audio signal input unit, and the H.264 video coding and decoding unit carries out efficient compression coding according to the H.264 standard.

As a further description of the above technical solution:

the core micro-control unit is a microcontroller of model S3C 2440.

As a further description of the above technical solution:

the video A/D unit is a chip of a model SAF 7118.

As a further description of the above technical solution:

the audio A/D unit is a chip of model AK 4550.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, a novel digital image compression coding technology is adopted, and when a GPS/Beidou time system is adopted, the long-time alignment operation of a tank observing and aiming system and a system picture is comprehensively displayed, the joint analysis of data is carried out according to a unified standard, and the efficient, quick and accurate interpretation of a tank training result is realized.

2. In the invention, by adopting an advanced H.264 digital image compression coding technology, a tank viewing and aiming system is realized, the high-quality video recording of a long-time picture of a system picture is comprehensively displayed, and the high-quality and long-time dynamic audio and video compression recording function is realized.

3. In the invention, the latest image graph technology is adopted to realize the following functions in the ground post data processing and analysis: visual data comparison, listing and analysis display with a uniform time reference; the confrontation training result can be objectively judged; and an intelligent image searching function is added, so that the accurate time positioning of the important event in the video is quickly realized.

4. In the invention, the GPS/Beidou input unit is arranged on the tank, so that strict unified time management of the universal tank task recorder is realized, and the time correction function of the system is realized.

Drawings

FIG. 1 is a schematic block diagram of a general tank task recorder.

FIG. 2 is a schematic diagram of the construction of an optical module in a general tank task recorder.

Fig. 3 is a system configuration diagram of a compression module in a general tank task recorder.

FIG. 4 is a schematic block diagram of a power supply module in a general tank task recorder.

Illustration of the drawings:

1. an interface module; 11. a GPS/Beidou input unit; 12. an audio signal input unit; 13. an event button unit; 14. a power on/off unit; 15. a recording stop control unit; 2. an optical module; 21. a cubic prism; 22. a right-angle prism; 23. a lens group; 3. a CCD module; 4. a compression module; 41. a core micro control unit; 42. an RS422 interface; 43. an RS232 interface; 44. a video A/D unit; 45. an audio A/D unit; 46. h.264 video coding and decoding unit; 5. and a storage module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a universal tank task recorder comprising:

the interface module comprises a GPS/Beidou input unit, an audio signal input unit and an event button unit, wherein the GPS/Beidou input unit receives time information sent by the GPS/Beidou, the audio signal input unit receives audio from a tank internal telephone system, and the event button unit directly receives an optical aiming signal of an airplane and is used for recording the time of a special event;

an optical module projected on the CCD module to form PAL analog video;

the compression module is used for collecting PAL analog signals, recording signals of the interface module and performing high-efficiency compression coding according to the H.264 standard;

the storage module is used for storing the signal compressed and coded by the compression module;

the power supply module supplies power to all the modules, adopts a mature circuit and mainly comprises an input filter, an overvoltage surge suppression circuit, a +5 VDC/DC converter, an output voltage monitoring circuit, an output filter circuit and the like, and has the advantages of conducted interference suppression, electromagnetic compatibility and radiation noise resistance;

the interface module is also connected with a startup and shutdown unit and a recording stop control unit, the startup and shutdown unit receives a startup and shutdown signal, and the recording stop control unit receives a recording stop signal;

the optical module comprises a cubic prism, a right-angle prism and a lens group and is used for image optical projection, the lens group is of a four-piece combined optical structure and is used for shooting high-definition distortion-free images with different view fields, and image acquisition meeting the resolution of 400TVL is realized through conversion of the CCD module. The camera can provide 25 frames/second PAL system signal and 30 frames/second NTSC system signal according to the requirement, so as to achieve more continuous and smooth image signal than the original camera gun. The resolution ratio is not lower than that of the original camera gun, the recording time and the image frame rate are obviously superior to those of the original system, and the recording time can be more than 10 hours;

the compression module comprises a core micro-control unit, a 1-channel RS422 interface, a 1-channel RS232 interface, a video A/D unit, an audio A/D unit and an H.264 video coding and decoding unit, wherein the video A/D unit collects PAL analog signals, the audio A/D unit receives signals input by an audio signal input unit, and the H.264 video coding and decoding unit carries out high-efficiency compression coding according to the H.264 standard, firstly, the RS422 interface and the RS232 interface carry out communication and obtain video signals and sound signals, the video A/D unit and the audio A/D unit complete format conversion of the analog video signals and amplitude conversion of sound signals to enable the analog video signals and the sound signals to meet the requirements of a compression recording unit, secondly, videos and sounds meeting the requirements are sent to the core micro-control unit to be compressed, at the moment, the H.264 video coding and decoding unit is connected into the core micro-control unit, compressing by using an H.264 compression algorithm, controlling the RS422 interface and the RS232 interface to communicate with a storage module through a core micro-control unit, and storing the compressed signals;

the core micro-control unit is a microcontroller with a model S3C2440, and has good expandability and stability;

the video A/D unit is a chip of a model SAF 7118;

the audio A/D unit is a chip of model AK 4550.

The working principle is as follows: first, acquisition of signals is performed: by interface module, CCD module and optical module accomplish jointly, GPS big dipper input unit receives the time information that GPS big dipper sent, audio signal input unit receives the audio frequency from tank intercom system, the light of event button unit direct receiving aircraft aims the signal, a time for recording special event, optical module projects and forms PAL system analog video on the CCD module, through CCD module conversion, realize satisfying the image acquisition of 400TVL resolution ratio, provide 25 frames/second PAL system signal and 30 frames/second NTSC system signal, secondly, carry out the compression of signal: utilize RS422 interface and RS232 interface to communicate, and obtain video signal and sound signal, video A/D unit and audio A/D unit accomplish analog video signal's format conversion and the range conversion of sound signal, make it satisfy the requirement of compression record unit, send the video and the sound that satisfy the requirement into the little the control unit of core and compress, at this moment, H.264 video coding and decoding unit inserts wherein, utilize H.264 compression algorithm to compress, control RS422 interface and RS232 interface and memory module through the little the control unit of core and communicate, then, carry out the storage of signal: and finally, in the operation process, the startup and shutdown unit is used for receiving the startup and shutdown signal, and the recording stop control unit is used for receiving the recording stop signal.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.