CN209767514U - Panoramic audio and video safety law enforcement wisdom single police equipment - Google Patents
Panoramic audio and video safety law enforcement wisdom single police equipment Download PDFInfo
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- CN209767514U CN209767514U CN201920611513.4U CN201920611513U CN209767514U CN 209767514 U CN209767514 U CN 209767514U CN 201920611513 U CN201920611513 U CN 201920611513U CN 209767514 U CN209767514 U CN 209767514U
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Abstract
The utility model discloses a single alert equipment of panorama audio frequency and video safety law enforcement wisdom. The single-police equipment comprises a shell, wherein an image acquisition module, an audio acquisition module, an image angle acquisition module, a transmission module, a main control module, a power module and a switch module are embedded on the shell. The single police equipment can transmit the collected panoramic image and audio content of the law enforcement site to an external command terminal in real time, and solves the problem that the existing law enforcement recorder often has video recording dead angles and causes key evidence loss. On the other hand, the single police equipment can also realize voice talkback with a command center, so that commanders can conveniently check and know the field situation in real time. In addition, the single police equipment also has the function of viewing historical panoramic audio and video contents, can ensure that the law enforcement record contents are more comprehensive, has no omission of law enforcement details, is convenient for commanders to intervene in the law enforcement process in time, and improves the law enforcement efficiency.
Description
Technical Field
The utility model relates to a single alert equipment of panorama audio frequency and video safety law enforcement wisdom (hereinafter single alert equipment for short) belongs to safety law enforcement technical field.
Background
The on-site law enforcement recorder is a device capable of recording sound and image information instantly, and is called as an on-site law enforcement recorder, a police video recorder, an on-site law enforcement audio and image recorder, a harmony recorder, a professional evidence obtaining system, a law enforcement evidence obtaining instrument, a police video recorder, a police personnel evidence obtaining recorder and the like according to respective habits. The law enforcement recorder integrates the functions of digital camera shooting and digital photographing, can carry out digital recording on dynamic and static field conditions in the law enforcement process, and is convenient for police officers to enforce law in various environments.
As shown in fig. 1, the conventional law enforcement recorder includes a camera, an encoder, a central controller, a memory card, a USB interface, a key assembly, and a wireless communication module. After the video signals collected by the shooting device are coded according to a preset video coding standard through the coder, the coded video signals are transmitted to the central controller, the video files formed after the coding are stored in the storage card through the central controller, and the data are synchronously output or the stored video files are exported through the USB interface. In addition, the central controller can upload the video file formed after encoding to a corresponding server through the wireless communication module. The law enforcement recorder improves the compression efficiency of video files, so that the recorded video data volume is more.
However, the law enforcement recorder described above also has the following drawbacks:
1. The face shooting can only be carried out, the angle is limited, the shooting angle is generally not larger than 135 degrees, the subjective influence on the 'which is shot by the user' is large, the problem that a key scene is not shot is often found when the video is watched back, the problem of video recording dead angles is easy to occur, and therefore key evidence is lost.
2. The system does not have the talkback function, and can communicate with the command center only by carrying the talkback equipment alone.
3. The camera does not have a positioning function and lacks information of shooting positions.
4. The device does not have a real-time uploading function, can only be stored on a recorder, and cannot be remotely checked in real time.
Disclosure of Invention
The utility model aims to solve the technical problem that a panorama audio frequency and video safety law enforcement wisdom single police is provided and is equipped.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A panoramic audio and video safety law enforcement intelligent single police device comprises a shell, wherein an image acquisition module, an audio acquisition module, an image angle acquisition module, a transmission module, a main control module, a power supply module and a switch module are embedded in the shell; the main control module is connected with the image acquisition module, the audio acquisition module, the image angle acquisition module, the power supply module and the switch module respectively on one hand, and is connected with an external command terminal through the transmission module or is connected with an external streaming media technology server through the transmission module on the other hand, and then is connected with the command terminal through the streaming media technology server.
preferably, the panoramic audio and video safety law enforcement wisdom single police equipment further comprises a storage module, and the storage module is connected with the main control module.
Preferably, the panoramic audio and video safety law enforcement wisdom single police equipment further comprises a positioning module and/or an embedded audio playing module, wherein the positioning module and/or the embedded audio playing module is embedded on the shell, and the positioning module and/or the embedded audio playing module is connected with the main control module.
Preferably, a plurality of status indicator lamps are embedded on the housing and are respectively connected with the main control module.
Preferably, the image acquisition module comprises a CMOS image sensor and two groups of fisheye lens modules; the optical axes of the two groups of fisheye lens modules are superposed with each other, and a prism is arranged at the center of the optical center connecting line; the CMOS image sensor is arranged behind the prism and connected with the main control module.
Preferably, the optical axes of the two groups of fisheye lens modules form an angle of 45 degrees with the normal of the prism reflecting surface.
Preferably, the image angle acquisition module adopts a gyroscope, and the gyroscope is connected with the main control module.
preferably, the transmission module comprises a WiFi chip and a 4G/5G network chip, the WiFi chip and the 4G/5G network chip are respectively connected to the main control module, and the 4G/5G network chip is further connected to a wireless network card.
Preferably, the switch module includes a power switch and a data transmission switch, and the power switch and the data transmission switch are respectively connected to the main control module.
Preferably, the positioning module adopts a GPS or a Beidou positioning module, and the GPS or the Beidou positioning module is respectively connected with the main control module.
On one hand, the single police equipment can transmit the collected law enforcement site panoramic image and audio content to an external command terminal in real time, and the problem that the existing law enforcement recorder often has video recording dead angles and causes key evidence loss is solved. On the other hand, this single police equipment can also realize pronunciation with command center and talkback, and the commander of being convenient for looks over in real time and knows the site conditions. In addition, the single police equipment also has the function of viewing historical panoramic audio and video contents, can ensure that the law enforcement record contents are more comprehensive, has no omission of law enforcement details, is convenient for commanders to intervene in the law enforcement process in time, and improves the law enforcement efficiency.
Drawings
FIG. 1 is a schematic diagram of a prior art enforcement recorder;
Fig. 2 is a schematic external view of a single police apparatus provided in embodiment 1 of the present invention;
fig. 3 is a schematic view of an internal structure of a single police apparatus provided in embodiment 1 of the present invention;
Fig. 4 and 5 are schematic circuit diagrams of single alarm equipment provided in embodiment 1 of the present invention;
fig. 6 is a schematic view of a positioning module embedded in a housing on the basis of the single police equipment provided in embodiment 1 of the present invention;
Fig. 7 and 8 are schematic diagrams of an audio playing module embedded in a housing on the basis of the single police equipment provided in embodiment 1 of the present invention;
fig. 9 is a schematic diagram of the positioning module and the audio playing module embedded in the housing on the basis of the single police equipment provided in embodiment 1 of the present invention.
Detailed Description
The technical content of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
example 1
As shown in fig. 2 to 5, the single police equipment provided in this embodiment includes a housing 1, and an image capturing module 10, an audio capturing module 20, an image angle capturing module 30, a transmission module 40, a main control module 50, a power module 60, and a switch module 70 are embedded on the housing 1; the main control module 50 is connected to the image acquisition module 10, the audio acquisition module 20, the image angle acquisition module 30, the power supply module 60, and the switch module 70, respectively, and is connected to an external command terminal through the transmission module 40 or connected to an external streaming media server through the transmission module 40, and then connected to the external command terminal through the streaming media server.
The on-duty personnel wears the single police equipment on the shoulder and enters a law enforcement scene, and the single police equipment is started through the switch module 70, so that the image acquisition module 10, the audio acquisition module 20 and the image angle acquisition module 30 synchronously acquire panoramic images, audio and panoramic image jitter angle data of the law enforcement scene respectively and transmit the panoramic image jitter angle data to the main control module 50. After synchronizing the received panoramic image, audio and the panoramic image dithering angle data through the main control module 50, the audio and the panoramic image dithering angle data are compressed and encoded according to the h.265/MPEG-HEVC standard, so as to form an audio and video data stream (i.e. a transmission format that can be supported by the transmission module 40) including the panoramic image, the audio and the panoramic image dithering angle data.
When the real-time panoramic audio and video content of a law enforcement site collected by one single police equipment needs to be acquired, the audio and video data stream acquired in real time can be directly transmitted to an external command terminal through the transmission module 40 for decoding, and corresponding panoramic video images and audio content can be played in real time after the images are subjected to anti-shaking processing, so that off-site command personnel can check and know the site conditions in real time, timely intervene in the law enforcement process, and the law enforcement efficiency is improved.
When the real-time panoramic audio and video contents of the law enforcement site collected by a plurality of single police equipment need to be acquired, audio and video data streams acquired by the single police equipment in real time can be transmitted to an external streaming media technology server through a transmission module 40, then the audio and video data streams acquired by the single police equipment in real time are distributed to an external command terminal through the streaming media technology server for decoding, after image anti-jitter processing is carried out, corresponding panoramic video images and audio contents collected by the single police equipment are played in real time, so that off-site commanders can check and know the site conditions in real time, the law enforcement process can be intervened in time, and the law enforcement efficiency is improved.
The utility model discloses in, command terminal can adopt computer, cell-phone or panel computer to realize. The computer, the mobile phone or the tablet computer is provided with panoramic command end application software, received audio and video data streams of law enforcement sites collected by one or more single police equipment in real time can be decoded by opening the panoramic command end application software, the image panoramic image data can be combined into 720-degree real-time images without dead angles in a lossless manner for playing, and meanwhile, the corresponding voice content of the law enforcement sites can be played in real time.
Specifically, the image capturing module 10 includes a CMOS image sensor and two sets of fisheye lens modules. The optical axes of the two groups of fisheye lens modules are superposed with each other, and the center of the optical center connecting line is provided with a prism. A CMOS image sensor is arranged below the prism and is connected with the main control module 50 through a signal transmission line. And the optical axes of the two groups of fisheye lens modules form an angle of 45 degrees with the normal of the reflecting surface of the prism, and the prism is preferably a triangular prism. The panoramic field of view of the law enforcement site is divided into a front field of view and a rear field of view through two groups of fisheye lens modules with ultra-wide angles, imaging is respectively carried out, imaging optical signals are projected onto reflecting surfaces on two sides of the prism after passing through the two groups of fisheye lens modules, imaging in a left area and a right area is formed on a target surface of the CMOS image sensor after being reflected by the prism, and finally imaging optical signals of the law enforcement site collected by the two groups of fisheye lens modules are converted into digital signals through the CMOS image sensor and transmitted to the main control module 50. The model of the CMOS image sensor can be determined according to the highest resolution of pictures required to be acquired by the single-alarm equipment. For example, when the highest resolution of the image required to be acquired by the single police equipment is 2592x1520, a CMOS image sensor with the model of ov4689 can be adopted.
The panoramic view referred to in this patent is an all celestial sphere panoramic view with a horizontal angle of view of 360 ° and a vertical angle of view of 360 °.
Audio capture module 20 may employ an audio collector for capturing audio data (voice content) at the law enforcement site. For example, the audio capture module 20 may employ an audio capture model CMA-4544 PF. The audio collection module 20 converts the real-time collected audio data of the law enforcement site into digital signals and transmits the digital signals to the main control module 50.
The image angle acquisition module 30 may employ a gyroscope for acquiring a shake angle of a panoramic image of a law enforcement site while the image acquisition module 10 acquires the panoramic image in real time. For example, the image angle acquisition module 30 may employ a gyroscope of model BMI 160. The image angle collecting module 30 transmits the shaking angle of the panoramic image of the law enforcement scene collected in real time to the main control module 50.
The utility model discloses in, the on-the-spot panoramic image data of law enforcement that image acquisition module 10 gathered in real time, the on-the-spot audio data of law enforcement that audio acquisition module 20 gathered in real time and the on-the-spot panoramic image's of law enforcement shake angle that image angle acquisition module 30 gathered in real time transmit respectively for main control module 50 after, main control module 50 is with panoramic image data, audio data and panoramic image's shake angle all use the timestamp of image as the standard to carry out the back of synchronizing, carry out compression coding with these data according to H.265 MPEG-HEVC standard, form the audio and video data stream that includes panoramic image, audio frequency and panoramic image shake angle data. The main control module 50 may be a single chip microcomputer; for example, the main control module 50 may adopt a single chip microcomputer with a model number of Hi3519v 100.
the transmission module 40 includes a WiFi chip 41 and a 4G/5G network chip 42, and the WiFi chip 41 and the 4G/5G network chip 42 are respectively connected to the main control module 50. The WiFi chip 41 may be a WiFi chip with a model number RTL8188 CUS. Connection to a designated hotspot is possible through the WiFi chip 41. In a specific network, the main control module 50 may transmit the compressed audio and video data stream of the law enforcement site to a designated command terminal or transmit the audio and video data stream to an external streaming media technology server, and then distribute the audio and video data stream to the designated command terminal through the streaming media technology server for playing. The 4G/5G network chip 42 may be a 4G/5G network chip of model number ME909 s. The 4G/5G network chip 42 is connected to a wireless network card, and transmits audio and video data streams of the law enforcement site compressed by the main control module 50 to a designated command terminal or to an external streaming media technology server through a communication service of a network service provider (mobile, communication or telecommunication), and then distributes the audio and video data streams to the designated command terminal through the streaming media technology server for playing.
The power module 60 may be a lithium battery 61 for supplying power to each module of the single police equipment. By fitting the USB interface 62 into the housing 1, the USB interface 62 is used to connect a charger that outputs a dc voltage of 5V and a dc current of 1A. The charger is connected with the mains supply, so that the lithium battery can be charged, and each module of the single police equipment can be directly supplied with power.
the switch module 70 includes a power switch 71 and a data transmission switch 72, and the power switch 71 and the data transmission switch 72 are respectively connected to the main control module 50. The power switch 71 and the data transmission switch 72 are respectively fitted to the housing 1. The power switch 71 is used for controlling whether the single alarm device is started to be in a working state. The data transmission switch 72 is used for selecting whether to transmit the audio and video data collected by the single police equipment to an appointed command terminal through WiFi or 4G or to transmit the audio and video data to an external streaming media technology server first, and then to distribute the audio and video data to the appointed command terminal through the streaming media technology server for playing.
example 2
The single-alarm device provided by the embodiment adds a storage module (not shown in the figure) on the basis of the embodiment 1. The storage module is connected to the main control module 50, and an SD memory card may be used as the storage module. After synchronizing the panoramic image data, the audio data and the dithering angles of the panoramic image acquired in real time by taking the time stamp of the image as the standard through the main control module 50, carrying out compression coding according to the H.265/MPEG-HEVC standard to form an audio/video file containing the panoramic image, the audio and the dithering angle data of the panoramic image. The audio and video file is stored in the storage module, the audio and video file stored in the storage module can be exported to a file server on the command terminal by respectively connecting the data transmission line to the USB interface 62 and the USB interface of the appointed command terminal, so that the application software of the panoramic command terminal can be conveniently opened to check the historical panoramic video image and the voice content of a law enforcement site at any time, the law enforcement record content is more comprehensive, the law enforcement details are not omitted, the law enforcement process is conveniently and timely intervened, and the law enforcement efficiency is improved.
As shown in fig. 6, on the basis of the single alarm apparatus provided in embodiment 1 or embodiment 2, a positioning module 80 may be further embedded in the housing 1. The positioning module 80 is connected to the main control module 50, and is configured to obtain position information (e.g., current longitude and latitude position information) of the single-alarm device in real time, send the position information to the main control module 50, synchronize the obtained position information with the received panoramic image data, audio data, and jitter angle of the panoramic image with reference to a timestamp of the image through the main control module 50, and then perform compression coding on the data according to the h.265/MPEG-HEVC standard to form an audio-video data stream including the panoramic image, audio, and jitter angle data of the panoramic image and the position information. The audio and video data stream is transmitted to a designated command terminal through the transmission module 40 or is transmitted to an external streaming media technology server through the transmission module 40, and then is distributed to the command terminal through the streaming media technology server. The audio and video data stream is decoded in the command terminal, so that the accurate position of the single police equipment can be mastered in real time, historical track information of the law enforcement process can be generated, a commander can retrieve audio and video data of corresponding position and time according to the position information, and the commander can know the situation of the law enforcement site more comprehensively.
In the embodiment of the present invention, the positioning module 80 may adopt a GPS or a beidou positioning module; for example, a dual mode positioning module, model RTK87718, may be employed, the positioning module 80 having satellite positioning functionality.
As shown in fig. 7 and 8, on the basis of the single-alarm device provided in embodiment 1 or embodiment 2, an audio playing module 90 may be embedded in the housing 1. The audio playing module 90 is connected to the main control module 50, and is used for implementing real-time voice communication between the command terminal and the on-site on-duty personnel. When the command terminal only receives audio and video data streams sent by a certain single police equipment, the command terminal packs the audio data of the commander into a specific format, transmits the audio data to the main control module 50 of the command terminal through the transmission module 40 of the single police equipment, decodes the audio data through the main control module 50, and transmits the audio data to the audio playing module 90 of the single police equipment for playing audio contents, so that the on-duty personnel and the commander of the command terminal can carry out bidirectional real-time voice talkback. Or, while the command terminal receives audio and video data streams sent by one or more single police equipment, the command terminal packs the audio data of the commander into a specific format, transmits the audio data to an external streaming media technology server through the transmission module 40, then distributes the audio data to the main control module 50 of the corresponding single police equipment through the streaming media technology server, decodes the audio data through the main control module 50, and transmits the audio data to the audio playing module 90 of the single police equipment for playing audio content, so that the on-duty personnel and the commander of the command terminal can perform bidirectional real-time voice talkback.
the audio playing module 90 may adopt an audio-video player, for example, a speaker. The audio playing module 90 arranged on the single police equipment has the following advantages: when the on-duty personnel patrol the law enforcement site, the data transmission switch 72 is not turned on, and when receiving the real-time audio and video data which is sent by the commander from the command terminal and needs to acquire the law enforcement site, the data transmission switch 72 is turned on.
As shown in fig. 9, on the basis of the single alarm device provided in embodiment 1 or embodiment 2, the positioning module 80 and the audio playing module 90 may be embedded in the housing 1 of the single alarm device, and the specific operating principle is the same as above, which is not described herein again.
in addition, on the basis of the single alarm device with any one of the above-mentioned structures, a plurality of status indicators (not shown in the figure) can be embedded in the housing 1. The status indicator lamps are respectively connected with the main control module 50 and are used for respectively indicating the working status and the data transmission status of the single alarm device. For example, when the status indicator light is displayed in red, the single-police equipment is indicated to be in a working state; when the indicator light shows green, the single-alarm equipment is indicated to be in a data transmission state.
On one hand, the single police equipment can transmit the collected law enforcement site panoramic image and audio content to an external command terminal in real time, and the problem that the existing law enforcement recorder often has video recording dead angles and causes key evidence loss is solved. On the other hand, this single police equipment can also realize pronunciation with command center and talkback, and the commander of being convenient for looks over in real time and knows the site conditions. In addition, the single police equipment also has the function of viewing historical panoramic audio and video contents, can ensure that the law enforcement record contents are more comprehensive, has no omission of law enforcement details, is convenient for commanders to intervene in the law enforcement process in time, and improves the law enforcement efficiency.
It is right above the utility model provides a panorama audio and video safety law enforcement wisdom single police equips and has carried out detailed explanation. Any obvious modifications to the device, which would be obvious to those skilled in the art, without departing from the essential spirit of the invention, are intended to be covered by the appended claims.
Claims (10)
1. A panoramic audio and video safety law enforcement intelligent single police device is characterized by comprising a shell, wherein an image acquisition module, an audio acquisition module, an image angle acquisition module, a transmission module, a main control module, a power supply module and a switch module are embedded in the shell; the main control module is connected with the image acquisition module, the audio acquisition module, the image angle acquisition module, the power supply module and the switch module respectively on one hand, and is connected with an external command terminal through the transmission module or is connected with an external streaming media technology server through the transmission module on the other hand, and then is connected with the command terminal through the streaming media technology server.
2. The panoramic audio-video safety law enforcement intelligent police equipment as claimed in claim 1, further comprising a storage module, wherein the storage module is connected with the main control module.
3. The panoramic audio and video safety law enforcement wisdom police equipment of claim 1 or 2, characterized by further comprising a positioning module and/or an embedded audio playing module, wherein the positioning module and/or the embedded audio playing module is embedded on the shell, and the positioning module and/or the embedded audio playing module is connected with the main control module.
4. a panoramic audio-video security enforcement wisdom single police equipment as defined in claim 3, characterized by:
And a plurality of status indicator lamps are embedded on the shell and are respectively connected with the main control module.
5. a panoramic audio-video security law enforcement wisdom police dispatch kit as claimed in claim 1 or 2, wherein:
The image acquisition module comprises a CMOS image sensor and two groups of fisheye lens modules, the optical axes of the two groups of fisheye lens modules are overlapped, a prism is arranged at the center of the optical center connecting line of the two groups of fisheye lens modules, the CMOS image sensor is arranged behind the prism, and the CMOS image sensor is connected with the main control module through a signal transmission line.
6. The panoramic audio-video security law enforcement wisdom police equipment of claim 5, characterized by:
And the optical axes of the two groups of fisheye lens modules form an angle of 45 degrees with the normal of the reflecting surface of the prism.
7. a panoramic audio-video security law enforcement wisdom police dispatch kit as claimed in claim 1 or 2, wherein:
the image angle acquisition module adopts a gyroscope, and the gyroscope is connected with the main control module.
8. A panoramic audio-video security law enforcement wisdom police dispatch kit as claimed in claim 1 or 2, wherein:
The transmission module comprises a WiFi chip and a 4G/5G network chip, the WiFi chip and the 4G/5G network chip are respectively connected with the main control module, and the 4G/5G network chip is further connected with a wireless network card.
9. A panoramic audio-video security law enforcement wisdom police dispatch kit as claimed in claim 1 or 2, wherein:
The switch module comprises a power switch and a data transmission switch, and the power switch and the data transmission switch are respectively connected with the main control module.
10. A panoramic audio-video security enforcement wisdom single police equipment as defined in claim 3, characterized by:
The positioning module adopts a GPS or a Beidou positioning module, and the GPS or the Beidou positioning module is respectively connected with the main control module.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113162899A (en) * | 2021-01-08 | 2021-07-23 | 公安部第三研究所 | Application platform system, method and device for realizing system intelligent law enforcement based on 5G communication, processor and storage medium thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113162899A (en) * | 2021-01-08 | 2021-07-23 | 公安部第三研究所 | Application platform system, method and device for realizing system intelligent law enforcement based on 5G communication, processor and storage medium thereof |
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