CN106027998A - Law enforcement video and audio recorder - Google Patents
Law enforcement video and audio recorder Download PDFInfo
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- CN106027998A CN106027998A CN201610561839.1A CN201610561839A CN106027998A CN 106027998 A CN106027998 A CN 106027998A CN 201610561839 A CN201610561839 A CN 201610561839A CN 106027998 A CN106027998 A CN 106027998A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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Abstract
The invention discloses a law enforcement video and audio recorder which comprises a main control module, a camera shooting module, a storage module, a video output module, a communication module, a key module, a front display screen and a rear display screen, wherein the camera shooting module, the storage module, the video output module, the communication module and the key module are respectively connected with the main control module; the front display screen is connected with the video output module; and the rear display screen is connected with the video output module. The law enforcement video and audio recorder is provided with the front display screen and the rear display screen, and a shot person can see currently shot contents in the front display screen so as to form deterrence to enable the shot person not to do ultra behaviors, also benefit for obtaining evidence and benefit to fairness of double parties; and law enforcement officer can manually control on-off of the front display screen and the rear display screen to switch a display mode, so that the law enforcement video and audio recorder can be suitable for various law enforcement environments.
Description
Technical field
The present invention relates to a kind of police law enforcement equipment, more specifically, it relates to a kind of law enforcement video and audio monitor.
Background technology
Along with economic fast development, comprehensively carrying out of Chinese legal system construction, the regulating the law enforcement of law enfrocement official, enforce the law in a civilized manner, enforce the law justly and have become as the basic demand of police system, more and more advocated by people.Evidence is particular about in law enforcement, and in order to preferably collect evidence, law enforcement video and audio monitor has become as the equipment that public security department's law enforcement is required.
Law enforcement video and audio monitor is as a kind of novel law enforcement equipment, and it can carry out dynamic, static video and audio record to law enforcement field, it is possible to is attached with transmitter receiver.At present, generally using law-enforcing recorder take a picture or image when field condition is recorded by law enfrocement official, law-enforcing recorder can be clipped on epaulet by shoulder folder, can say it is that volume is little and convenient and practical, and the collection for evidence provides great convenience.
Existing law enforcement video and audio monitor usual only one of which display screen, when collecting evidence at the scene, display panel to law enfrocement official photographic head towards the person of being taken, the content photographed only has law enfrocement official to see, the person of being taken is not aware that the content photographed, so dyschezia, to deter the person of being taken, is also unfavorable for the evidence obtaining fairness to both sides.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of law enforcement video and audio monitor, and it can show content of shooting to law enfrocement official and the person of being taken simultaneously simultaneously.
For achieving the above object, the technical scheme is that
A kind of law enforcement video and audio monitor, including main control module, photographing module, memory module, Video Output Modules, communication module and the key-press module being connected with main control module respectively, also include: preposition display screen, it is loaded on the front portion of law enforcement video and audio monitor towards subject, it is connected with described Video Output Modules, for showing the picture that photographing module photographs；Rearmounted display screen, is loaded on the rear portion of law enforcement video and audio monitor towards photographer, is connected with described Video Output Modules, for showing the picture that photographing module photographs.
Pass through such scheme, during the evidence obtaining of law enfrocement official's hand-held law enforcement video and audio monitor, preposition display screen and rearmounted display screen work simultaneously, the person of being taken can see the picture photographed from preposition display screen, deterrent force makes it take too drastic behavior the most easily to allow the person of being taken feel, is also beneficial to fair evidence obtaining, enforces law impartially.
Preferably: law enforcement video and audio monitor also includes the display control module being connected with preposition display screen and rearmounted display screen, described key-press module includes that the display corresponding with preposition display screen and rearmounted display screen controls button, described display controls to send control signal to display control module when button is pressed, and described display control module controls the duty of corresponding display screen in response to described control signal.
Pass through such scheme, law enfrocement official controls button and can control preposition display screen by pressing the display of preposition display screen and be turned on and off, control button and can control rearmounted display screen by pressing the display of rearmounted display screen and be turned on and off, so can freely switch display pattern, make law enforcement video and audio monitor be applicable to multiple law-enforcing environment.
Preferably: law enforcement video and audio monitor also includes the human detection module being connected with display control module, whether described human detection module has people in being used for detecting law enforcement video and audio monitor front set point, if someone, sending a feedback signal to display control module, described display control module controls preposition display screen in response to described feedback signal and opens.
Pass through such scheme, when having people in video and audio monitor front set point of enforcing the law, and law enfrocement official is forgetting manually opened preposition display screen under desperation, preposition display screen would automatically turn on, the picture of display current shooting, so may insure that the person of being taken sees the picture of current shooting from preposition display screen.
Preferably: described communication module is wireless communication module, the picture real-time Transmission that photographing module is photographed by communication module by described main control module is to remote server.
By such scheme, during evidence obtaining, law enforcement video and audio monitor is by the safe storage of the picture real-time Transmission that photographs to remote server, beneficially evidence.
Preferably: also include the locating module being connected with main control module, described locating module is for obtaining the current geographic position of law enforcement video and audio monitor, and the current geographic position of law enforcement video and audio monitor is sent to remote server by described main control module by communication module.
By such scheme, flexecutive can know the position that each law enforcement video and audio monitor is currently located, thus learns the geographical position of law enforcement field, and convenient scheduling is reinforced and gives the law enforcement video and audio monitor of loss for change.
Preferably: described photographing module includes photographic head and encoder, the input of described encoder is connected with the outfan of photographic head and the outfan of encoder is connected with main control module, and described encoder uses H.265 video encoding standard.
Pass through such scheme, video or photo that photographic head is shot by encoder are compressed, compressed video or photo are stored in memory module significantly to reduce and take memory space, make memory module can store more data, extend the lasting shooting time of law enforcement video and audio monitor, be beneficial to shoot evidence obtaining.
Preferably: described communication module is 3G/4G wireless communication module.
Preferably: described locating module is GPS locating module.
Preferably: described key-press module includes calling for help button, calling for help when button is pressed and send a distress call to main control module, main control module generates in response to described distress call and distally server sends distress signals.
By such scheme, in case of emergency, law enfrocement official can press calling for help button, asks to reinforce to flexecutive.
Compared with prior art, present invention have the advantage that:
1, this law enforcement video and audio monitor has preposition display screen and rearmounted display screen, the person of being taken can see the content of current shooting from preposition display screen, it is formed deterrence makes it not be apt to do too drastic behavior, is additionally also beneficial to the fairness for both sides of collecting evidence；
2, law enfrocement official can be with the preposition display screen of Non-follow control and the opening and closing of rearmounted display screen, to switch display pattern, make law enforcement video and audio monitor can adapt to multiple law-enforcing environment；
3, this law enforcement video and audio monitor has human detection function, and when having people in front set point being detected, preposition display screen automatically turns on, and is shown the picture of current shooting；
4, the safe storage of real-time pictures and current geographic position, beneficially evidence uploaded by this law enforcement video and audio monitor to remote server, it is simple to the scheduling of flexecutive is reinforced.
5, this law enforcement video and audio monitor is provided with calling for help button, and in emergency circumstances, law enfrocement official can press calling for help button and cry for help to flexecutive.
Accompanying drawing explanation
Fig. 1 is the front portion structure schematic diagram of law enforcement video and audio monitor；
Fig. 2 is the rear structure schematic diagram of law enforcement video and audio monitor；
Fig. 3 is the theory diagram of law enforcement video and audio monitor；
Fig. 4 is the theory diagram of human detection module.
Description of reference numerals: 1, housing；2, photographic head；3, preposition display screen；4, pyroelectric infrared sensor；5, operational and controlled key button；6, rearmounted display screen；7, buckle.
Detailed description of the invention
With reference to Fig. 1, a kind of law enforcement video and audio monitor, including housing 1, in housing 1 front portion equipped with photographic head 2 and pyroelectric infrared sensor 4, photographic head 2 be arranged above preposition display screen 3, sidepiece at housing 1 is provided with the manipulation button keys of some video and audio monitors of enforcing the law for pressing with manipulation, and operational and controlled key button 5 includes that power button, preposition display screen 3 control button, rearmounted display screen 6 controls button and calls for help button.
With reference to Fig. 2, at housing 1 rear portion equipped with rearmounted display screen 6, for the buckle 7 for being fixed on external support thing by law enforcement video-with-audio recording instrument below rearmounted display screen 6, utilizing this buckle 7, law enforcement video and audio monitor the most piggyback or can be hung on loins by law enfrocement official.
With reference to Fig. 3, law enforcement video and audio monitor includes main control module, the photographing module, memory module, key-press module, GPS locating module, Video Output Modules and the communication module that connect respectively at main control module.
Photographing module includes the A/D converter that photographic head 2, input are connected and the encoder that input is connected with the outfan of A/D converter and outfan is connected with the signal input part of main control module with the outfan of photographic head 2, and this encoder is the encoder using H.265 video encoding standard.
Memory module includes draw-in groove that the read-write interface with main control module is connected and the TF card being inserted in draw-in groove or SD card, uses TF card in the present embodiment.
Each button in key-press module is spring-piece type electrical switch, and button is connected with the I/O interface of main control module.
The outfan of GPS locating module is connected with the signal input part of main control module.
The signal input part of Video Output Modules is connected with the signal output part of main control module, and preposition display screen 3 and the signal input part of rearmounted display screen 6 are connected with the signal output part of Video Output Modules.
Communication module is 3G or 4G wireless network communication module, and communication module includes signal transmitting and receiving circuit and SIM draw-in groove, and the SIM provided by mobile operator inserts in SIM draw-in groove and mobile network just can be utilized to transmit data.
Display power supply outfan be connected with the input of display control module, the outfan of display control module be connected with preposition display screen 3 and rearmounted display screen 6 respectively.In key-press module, the signal input part of signal output part and display control module that preposition display screen 3 controls button is connected.The outfan of human detection module is connected with the input of display control module.
With reference to Fig. 4, pyroelectric infrared sensor 4 constitutes human detection module with amplifying circuit and comparator, and display control module is dual power supply managing chip, and shows that power supply has two-way power output end the first power output end and second source outfan.Wherein, the outfan of pyroelectric infrared sensor 4 is connected with the input of amplifying circuit, the outfan of amplifying circuit is connected with the input of comparator, the outfan of comparator is connected with the control end of dual power supply managing chip, and the two-way power output end of display power supply is all connected with the power input of chip in dual power supply management.Dual power supply managing chip is doubleway output formula chip, and it has the first outfan and the second outfan, and wherein the first outfan connects preposition display screen 3, in order to power to preposition display screen 3；And the second outfan connects rearmounted display screen 6, in order to power to rearmounted display screen 6.Preposition display screen 3 controls button and rearmounted display screen 6 controls button and is also connected with the control end of dual power supply managing chip, and the most preposition display screen 3 controls button and is connected the same control end of dual power supply managing chip with the outfan of comparator.
When law enfrocement official opens law enforcement video and audio monitor, law enforcement video and audio monitor is in original state.First outfan non-transformer output of dual power supply managing chip, and the second outfan has power supply to export.Now, preposition display screen 3 is closed and rearmounted display screen 6 is opened.Law enfrocement official's hand-held law enforcement video and audio monitor carries out scene evidence taking, photographic head 2 shoots the object in law enforcement video and audio monitor front and optical signalling is converted into analogue signal, the analogue signal that photographic head 2 exports is converted to digital video signal by A/D converter, digital video signal is encoded by encoder, in the video file write TF card that main control module will be formed after coding.Owing to using the encoder of H.265 video encoding standard, improve the compression efficiency of video file, the storage efficiency making TF card improves accordingly, even if the video data volume that law enforcement video and audio monitor can record is more, the time that law enforcement video-with-audio recording instrument can persistently shoot is greatly prolonged.
Under initial original state, only law enfrocement official oneself it can be seen that shooting picture.
Owing to the photographic head 2 of this law enforcement video and audio monitor is fixedly mounted at housing 1 front portion, law enfrocement official, when shooting oneself evidence on the scene, needs photographic head 2 is directed at oneself.General law enforcement video and audio monitor is due to usual only one of which display screen, and display screen lays respectively at rear portion and the front portion of instrument with photographic head 2, when shooting oneself evidence on the scene, law enfrocement official can not see the picture photographed, intelligence with feel to adjust photographic head 2 towards, so can be pretty troublesome, it is difficult to photograph required content.And this law enforcement video and audio monitor, law enfrocement official can control button by pressing preposition display screen 3 and rearmounted display screen 6 controls button and switches display pattern.After photographic head 2 is directed at oneself by law enfrocement official, press preposition display screen 3 and control button, preposition display screen 3 controls button and sends a high level signal to the control end of dual power supply managing chip, dual power supply managing chip controls its first outfan and turns it on after receiving this level signal, first outfan output voltage, make preposition display screen 3 obtain electric-opening, the picture of display law enforcement video and audio monitor current shooting, facilitate law enfrocement official to shoot oneself evidence on the scene.When needing the content showing shooting to the person of being taken, law enfrocement official can also manually opened preposition display screen 3, the person of being taken can fear after seeing the content of shooting, not be apt to do too drastic behavior.Preposition display screen 3 plays certain deterrent effect after opening, moreover it is possible to ensure the evidence obtaining fairness for both sides.It is in the purpose of power saving, law enfrocement official is when shooting oneself evidence on the scene, can be with the rearmounted display screen of manual-lock 6, law enfrocement official presses after rearmounted display screen 6 controls button, rearmounted display screen 6 controls button and sends a high level signal to the control end of dual power supply managing chip, dual power supply managing chip controls its second outfan and turns it off after receiving this level signal, rearmounted display screen 6 dead electricity is closed.
It practice, when in the face of some emergencies, law enfrocement official may forget to turn on preposition display screen 3 because of nervous.And video and audio monitor of enforcing the law carries human detection module, the a range of human body of detecting instrument dead ahead is carried out by pyroelectric infrared sensor 4, output voltage signal after pyroelectric infrared sensor 4 detects human body, input comparator after the voltage signal amplified circuit amplification of its output, comparator will amplify after voltage compared with setting voltage, make setting voltage be less than pyroelectric infrared sensor 4 here by the magnitude of voltage arranging setting voltage and the amplification voltage of output voltage after human body detected, after pyroelectric infrared sensor 4 detects human body, comparator exports a high level signal to the control end of dual power supply managing chip, dual power supply managing chip controls the first outfan and turns it on after receiving this high level signal, preposition display screen 3 obtains electric-opening, the content of law enforcement video and audio monitor shooting is shown.So can avoid because law enfrocement official's anxiety forgets the unnecessary trouble that manually opened preposition display screen 3 brings.
Main control module is internally integrated the functional part such as video acquisition, data circulation news protocol integrated test system, main control module gathers the digital video signal of photographing module output, by 3G/4G network, on-the-spot picture signal is transferred back to remote server, so can the perpetuation of testimony of safety, it is to avoid because the situation of Evidence loss of causing lost by law enforcement video and audio monitor.Meanwhile, GPS locating module obtains the current geographic position of law enforcement video and audio monitor and geographical location information is sent to main control module, and main control module is sent to remote server by communication module geographical position.
Remote server is placed on remote monitoring center, monitoring host computer is connected with remote server and monitoring host computer is connected with multi-screen display, monitoring host computer obtains video data and the geographical location information of every law enforcement video and audio monitor passback from remote server, video and the geographical position of every law enforcement video and audio monitor passback are shown by multihead display screen, flexecutive can see the picture of every law enforcement video and audio monitor shooting in multi-screen display, is monitored law enforcement field；It addition, flexecutive can know the current geographic position of every law enforcement video and audio monitor, conveniently dispatch, reinforce and give for change the law enforcement video and audio monitor of loss.
In enforcing law, having indivedual radical to threaten law enfrocement official unavoidably, in case of emergency, the law enfrocement official of hand-held law enforcement video and audio monitor presses calling for help button, calls for help button and is pressed backward master control mould
Block sends a level signal, and main control module generates distress signals after receiving this level signal and sends distress signals by communication module to remote server.Monitoring host computer is obtained distress signals from remote server and is shown by multihead display screen.Flexecutive can know these distress signals at remote monitoring center, to take counter-measure in time, dispatches other law enfrocement officials and reinforces scene, maintain stablizing of on-the-spot situation.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a law enforcement video and audio monitor, including main control module, the photographing module being connected with main control module respectively, memory module, Video Output Modules, communication module and key-press module, is characterized in that, also include:
Preposition display screen, is loaded on the front portion of law enforcement video and audio monitor towards subject, is connected with described Video Output Modules, for showing the picture that photographing module photographs；
Rearmounted display screen, is loaded on the rear portion of law enforcement video and audio monitor towards photographer, is connected with described Video Output Modules, for showing the picture that photographing module photographs.
Law enforcement video and audio monitor the most according to claim 1, it is characterized in that: also include the display control module being connected with preposition display screen and rearmounted display screen, described key-press module includes that the display corresponding with preposition display screen and rearmounted display screen controls button, described display controls to send control signal to display control module when button is pressed, and described display control module controls the duty of corresponding display screen in response to described control signal.
Law enforcement video and audio monitor the most according to claim 2, it is characterized in that: also include the human detection module being connected with display control module, whether described human detection module has people in being used for detecting law enforcement video and audio monitor front set point, if someone, sending a feedback signal to display control module, described display control module controls preposition display screen in response to described feedback signal and opens.
Law enforcement video and audio monitor the most according to claim 3, is characterized in that: described communication module is wireless communication module, and the picture real-time Transmission that photographing module is photographed by communication module by described main control module is to remote server.
Law enforcement video and audio monitor the most according to claim 4, it is characterized in that: also include the locating module being connected with main control module, described locating module is for obtaining the current geographic position of law enforcement video and audio monitor, and the current geographic position of law enforcement video and audio monitor is sent to remote server by described main control module by communication module.
Law enforcement video and audio monitor the most according to claim 1, it is characterized in that: described photographing module includes photographic head and encoder, the input of described encoder is connected with the outfan of photographic head and the outfan of encoder is connected with main control module, and described encoder uses H.265 video encoding standard.
Law enforcement video and audio monitor the most according to claim 4, is characterized in that: described communication module is 3G/4G wireless communication module.
Law enforcement video and audio monitor the most according to claim 5, is characterized in that: described locating module is GPS locating module.
Law enforcement video and audio monitor the most according to claim 5, it is characterized in that: described key-press module includes calling for help button, calling for help when button is pressed and send a distress call to main control module, main control module generates in response to described distress call and distally server sends distress signals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561839.1A CN106027998A (en) | 2016-07-15 | 2016-07-15 | Law enforcement video and audio recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610561839.1A CN106027998A (en) | 2016-07-15 | 2016-07-15 | Law enforcement video and audio recorder |
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| CN201610561839.1A Pending CN106027998A (en) | 2016-07-15 | 2016-07-15 | Law enforcement video and audio recorder |
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| CN106851225A (en) * | 2017-03-29 | 2017-06-13 | 济南智安科技发展有限公司 | Law-enforcing recorder, method and law enforcement record system with flash appeal function |
| CN106878649A (en) * | 2017-04-20 | 2017-06-20 | 李继宁 | A kind of double record video and audio recorders for supporting to evaluate and system |
| CN108848572A (en) * | 2018-09-12 | 2018-11-20 | 深圳百安达安全设备有限公司 | A kind of mobile law enforcement police service integrated terminal |
| CN113395473A (en) * | 2021-05-12 | 2021-09-14 | 魏利 | Portable intelligent law enforcement recorder |
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