CN102684734A - Multifunctional two way radio shoulder microphone - Google Patents

Multifunctional two way radio shoulder microphone Download PDF

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Publication number
CN102684734A
CN102684734A CN2012101555588A CN201210155558A CN102684734A CN 102684734 A CN102684734 A CN 102684734A CN 2012101555588 A CN2012101555588 A CN 2012101555588A CN 201210155558 A CN201210155558 A CN 201210155558A CN 102684734 A CN102684734 A CN 102684734A
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CN
China
Prior art keywords
intercom
shoulder miaow
main control
audio
control chip
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Pending
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CN2012101555588A
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Chinese (zh)
Inventor
赖贻翔
丁新杰
孙继山
徐亚伟
马波
许志强
肖存江
周胜洪
董蔺
张继东
郝建云
刘伟尧
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WEIFANG PUBLIC SECURITY BUREAU
QINGDAO JARI AUTOMATION CO Ltd
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WEIFANG PUBLIC SECURITY BUREAU
QINGDAO JARI AUTOMATION CO Ltd
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Priority to CN2012101555588A priority Critical patent/CN102684734A/en
Publication of CN102684734A publication Critical patent/CN102684734A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a multifunctional two way radio shoulder microphone which comprises a two way radio and a shoulder microphone, wherein the shoulder microphone is internally provided with a satellite positioning module, an audio and video recording module, an interface circuit and a main control chip; the satellite positioning module is connected with an antenna, receives a satellite signal to locate the coordinate information of the current position and sends the coordinate information to the main control chip; the audio and video recording module is connected with a camera and a microphone, and records the video and audio of a scene; and the main control chip is connected with the interface circuit, and sends the recorded video and audio of the scene and the coordinate information to a dispatching station of a command center. The two way radio shoulder microphone maintains the original calling function, a satellite positioning function and an audio and video recording function are further integrated into the shoulder microphone, the police can conveniently complete scene law enforcement and evidence collection work, the collected evidence information can be downloaded into a computer of the command center for the personnel to handle a case to inquire and analyze, furthermore, a formal scene law enforcement behavior is proved, so complaints about the distortion of fact are avoided.

Description

Multi-functional intercom shoulder miaow
Technical field
The invention belongs to wireless digital communication systems technology field, specifically, relate to a kind of talkback system of takeing on miaow that has.
Background technology
In order to adapt to the continuous social security situation that changes better, strengthen the construction of modern police service mechanism, increasing police strength is deployed to and carries out patrol task on duty in the street, and this is for frightening crime and maintaining social stability and played positive effect.In this case, how to strengthen adapting to dynamic police service pattern, grasp police strength distribution situation in the street real-time and accurately, and in time apace the patrol policeman is commanded and dispatches, just become a problem of demanding urgently studying going on patrol policeman's management in the street.
Command centre carries out unified management, allotment to policeman in the street for ease, and in time obtains the field condition of policeman's feedback in the street, and the intercom product has obtained extensive use, builds the communication bridge between the policeman and backstage command centre in the street.Particularly have the talkback system of takeing on miaow, made things convenient for police's use especially.Scan and have the intercom product of takeing on miaow both at home and abroad, mostly function ratio is more single, generally only has the words sent and is talked about function, therefore, can not satisfy police's actual use needs well.
Summary of the invention
The present invention has proposed a kind of intercom shoulder miaow that is integrated with multiple function, to make things convenient for different field security personnel's use in order to solve the existing single defective of intercom product function.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to be achieved:
A kind of multi-functional intercom shoulder miaow comprises intercom and shoulder miaow; In said shoulder miaow, be provided with satellite positioning module, video and audio recording module, interface circuit and main control chip; Said satellite positioning module connects antenna, and receiving satellite signal transfers to main control chip with the coordinate information of orienting current location; Said video and audio recording module connects camera and microphone, admission live view and live audio; Said main control chip connecting interface circuit is sent to the dispatching desk of command centre with live view, live audio and the coordinate information of admission.
Further, in said shoulder miaow, also be provided with memory, be connected with the video and audio recording module with described main control chip respectively; Said main control chip is saved in the coordinate information that receives in the memory according to time of reception; After said video and audio recording module is carried out digitized processing to live view and the live audio of admission, be saved to described memory according to recording time generation audio-video document; Said main control chip, shows through the display on the dispatching desk with the synthetic live view that has geographical coordinate according to related described coordinate information with recording time of time of reception and audio-video document.
Preferably, said time of reception extracts from the temporal information that satellite positioning module receives; Said recording time is produced by the real-time timepiece chip in the video and audio recording module and provides.
In order to improve positioning accuracy; Said satellite positioning module preferably adopts and is integrated with the double mode Big Dipper/GPS integrated positioning module in Big Dipper location and GSP location; Receive Big Dipper satellite signal and gps satellite signal respectively, and go out the coordinate information of current location according to each satellite-signal combination calculation that receives.
Preferably, in said interface circuit, include usb circuit, the circumscribed USB data wire; Said main control chip extracts audio-video document or the live view that has geographical coordinate that will synthesize transfer to command centre through the usb data line dispatching desk from memory.
In order to make camera have the infrared night vision function, collect evidence night to make things convenient for police, preferably said camera is installed on the front panel of shoulder miaow, and around camera, infrared LED is installed, infrared plated film lens is installed before the camera lens of camera; The power circuit of each inner electricity consumption electric of promising shoulder miaow is set in said shoulder miaow; Said infrared LED connects described power circuit through the switch ways of gate-controlled switch; The control end of said gate-controlled switch connects described main control chip; Receive the switch controlling signal that main control chip sends, only open with the control infrared LED and light when camera is taken a picture or recorded a video at night.
Can light described infrared LED automatically when opening camera night, in said shoulder miaow, be provided with sensitive chip in order to be implemented in, the ambient light that induction is extraneous, and convert the signal of telecommunication to and export described main control chip to; Said main control chip is judged the power of external environment light according to the signal of telecommunication that receives; And then be attenuated to set point when following at ambient light; And when the take pictures button or the button of making a video recording are pressed, export effective switch controlling signal to described gate-controlled switch, the control gate-controlled switch is closed; Be communicated with the current supply circuit of infrared LED, light described infrared LED automatically.
Further again, in said shoulder miaow, also be provided with the voice call circuit, connect microphone and loud speaker respectively, and be connected, transmitting-receiving call voice signal with intercom interface in the said interface circuit; Said intercom interface is connected with the digital interface of intercom is corresponding with analog interface respectively through digital-to-analog multiplexed signals line; Wherein, Coordinate information through the output of said main control chip transfers to the digital interface of intercom via the digital signal line in the multiplexed signals line, transfers to the analog interface of intercom via the analog signal line in the multiplexed signals line through the call voice signal of voice call circuit transmission; Said intercom is uploaded the dispatching desk of coordinate information and call voice to command centre through the wireless colony communication link.
Further again, said shoulder miaow is provided with talk button, and the switch ways of said talk button is connected between microphone and the voice call circuit, presses said talk button and can converse with the dispatching desk of command centre.
Further, in said video and audio recording module, include LCDs, be laid on the backplate of shoulder miaow back casing, can check the picture of finding a view through said LCDs when recording live view, make things convenient for police's video capture work.In addition, the rotatable anchor clamps of 360 degree are installed also on said backplate, wear use to make things convenient for police.
Compared with prior art; Advantage of the present invention and good effect are: intercom of the present invention shoulder miaow is keeping original receiving outside words, the function of propagandaing directed to communicate, further integrated satellite positioning functions and video and audio recording function in intercom shoulder miaow, and police can accomplish on-site law-enforcing evidence obtaining work easily through takeing on miaow; Evidence obtaining information can download in the computer of command centre; Supply personnel in charge of the case's inquiry, analyze, and then prove the law enforcement behavior of on-the-spot standard, avoid receiving twisty complaint.Meanwhile; The administrative staff of command centre can also cooperate the PGIS GIS-Geographic Information System of vector quantization on the dispatching desk; The realization alert is studied and judged, commands in real time, is gone on patrol tracking, trace playback, patrols each item functions such as district's setting, route planning, SMS notification; Improve the ability of dealing with emergencies and dangerous situations that connects greatly, effectively remedied the current relevant departments existing administrative vulnerability of relevant device for want of, strengthened the ability of its behavior of fighting crime.
After the detailed description in conjunction with the advantages embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is the complete machine structure exploded view that intercom proposed by the invention is takeed on miaow;
Fig. 2 is the inner schematic block circuit diagram of shoulder miaow;
Fig. 3 is the front panel layout of shoulder miaow;
Fig. 4 is the backplate layout of shoulder miaow;
Fig. 5 is the sketch map that is connected of shoulder miaow and intercom.
Embodiment
Do explanation in further detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment one, and the intercom shoulder miaow of present embodiment is made up of intercom 1 and shoulder miaow 2 two parts, referring to shown in Figure 5.Wherein, shoulder miaow 2 advantages of small volume, take on or the right scapuloanterior face on a left side that can be worn at the policeman during use, not only has satellite positioning functions, and through by key control, can also propaganda directed to communicate and the synchronization recording function, conveniently on-the-spot evidence obtaining in time.Intercom 1 connects shoulder miaows 2 through holding wire 10, receives call voice and coordinate information that shoulder miaow 2 sends, and then is uploaded to the dispatching desk of command centre through the wireless colony communication link, supplies the personnel in charge of the case in time to locate on-the-spot coordinate, the rational allocation police strength distributes.
In an embodiment, said shoulder miaow 2 is fastened with back casing 4 by procapsid 3 and forms, and is as shown in Figure 1, in fastening the chamber that forms, is laid with circuit board 5.Said circuit board 5 is provided with chief components such as battery, power circuit, satellite positioning module, video and audio recording module, voice call circuit, interface circuit and main control chip, referring to shown in Figure 2.Wherein, said satellite positioning module connects antenna, is used for receiving satellite signal, generates the coordinate information of current location with the location.Said video and audio recording module is connected with microphone 7 with camera 6 on being laid in shoulder miaow 2 housings, is used to enroll live view and live audio, with the law enforcement evidence obtaining function at the scene of accomplishing, in conjunction with shown in Figure 3.Main control chip is as the core control part of whole shoulder miaow 2; Connect described satellite positioning module and interface circuit on the one hand; The coordinate information that obtains is sent in time the dispatching desk of command centre through intercom 1; The administrative staff of command centre cooperate the PGIS GIS-Geographic Information System of vector quantization on the dispatching desk, can realize that just alert studies and judges, commands in real time, goes on patrol tracking, trace playback, patrols each item functions such as district's setting, route planning; On the other hand; Said main control chip can also be downloaded to command centre with the live view and the live audio of video and audio recording module admission through the high speed data transmission interface in the interface circuit dispatching desk; Supply the personnel in charge of the case to inquire about afterwards, analyze; And can be used to prove the standardization of on-site law-enforcing behavior, avoid receiving twisty complaint.The voice call circuit is used for accomplishing propagandaing directed to communicate and talked about function between on-the-spot personnel in charge of the case and the backstage command centre; Connect described interface circuit on the one hand; Receive the order command that command centre sends; And after carrying out the processing and amplifying of audio power, play to on-the-spot personnel in charge of the case through the loud speaker 9 that is laid on shoulder miaow 2 housings, realize being talked about function; Connect the microphone 8 be laid on shoulder miaow 2 housings on the other hand, said microphone 8 can with the shared microphone 7 of video and audio recording module, also an independently microphone can be set separately.Present embodiment is that example describes to lay two microphones; The microphone 7 that connects the video and audio recording module is referred to as recording and uses microphone, preferred cloth to be located on the backplate of shoulder miaow 2 back casings 4, when carrying out live video, launches; To pick up on-the-spot audio signal, as shown in Figure 4; The microphone 8 that connects the voice call circuit is referred to as to propaganda directed to communicate and uses microphone, preferred cloth to be located on the front panel of shoulder miaow 2 procapsids 4, when carrying out voice call, launches, and is to pick up on-the-spot personnel in charge of the case's voice signal, as shown in Figure 3.The voice signal that picks up with microphone 8 carries out exporting described interface circuit to after the signal processing via the voice call circuit through propagandaing directed to communicate; Through being sent to intercom 1 with the external holding wire 10 of interface circuit; And then after being modulated into the radio ultrashort wave via intercom 1; Be uploaded to the dispatching desk of command centre through the wireless colony communication link, realize propagandaing directed to communicate function.Said battery preferably adopts poly-lithium battery as the supply of electric power source of shoulder miaow 2, connects described power circuit, generates the required operating voltage of each functional circuit through the power circuit voltage stabilizing, is each the electricity consumption electric in the shoulder miaow 2.
In order to improve reliability of positioning, present embodiment preferably adopt be integrated with Big Dipper location and GPS locate two kinds of station-keeping modes the integrated positioning module---the Big Dipper/GPS integrated positioning module is as described satellite positioning module.Why adopt the Big Dipper/GPS integrated positioning module; Though be to consider that the GPS system has had military use quite widely and commercial use in the world; But because the administrative power of GPS system is still in U.S. government's hand; Under some special environment and situation, can't obtain effective availability based on the system of GPS and guarantee, thereby cause base various application on it to comprise that military use and commercial use are all with at a standstill.Present embodiment is applied in Big Dipper navigation system in the shoulder miaow 2 in order to promote the reliability of shoulder miaow 2 navigator fixs simultaneously, but when the gps system time spent, adopts two kinds of station-keeping mode combinations to position simultaneously, can greatly improve the reliability of shoulder miaow 2 navigator fixs; And unavailable or when losing efficacy when gps system, then still can utilize Big Dipper navigation system to continue to accomplish the task of navigator fix.
The high rail of GPS positioning system using range finding system, with the distance of receiver to satellite as the basic observed quantity of locating.In order to obtain apart from observed quantity, mainly adopt the pseudorange method, Big Dipper navigation system also is like this.The ranging code signal (C/A sign indicating number or P sign indicating number) of pseudorange method through instrumented satellite emission is to definite distance of the propagation time of receiver.Pseudorange location finally is summed up as finds the solution a Nonlinear System of Equations, and finding the solution of this equation group all adopted iterative computation after the single order Taylor expansion.For the receiver on ground; Receive corresponding nonlinear equation of information of each satellite; As long as receive the satellite more than four like this, promptly there are four above nonlinear equations iterative computation to go out current three-dimensional coordinate information of receiver and temporal information.This shows; Adopt the Big Dipper and GPS integrated positioning mode, the number of satellite that can supply observe increases greatly, even one of them navigation system lost efficacy; Also can realize normal location, thereby greatly improve the reliability of intercom shoulder miaow location through the another one navigation system.
On the housing of shoulder miaow 2, mains switch K1 is set, preferred cloth is located at the side of back casing 4, like Fig. 1, shown in Figure 3.When the personnel in charge of the case need use described multi-functional intercom shoulder miaow, press mains switch K1, connect the connecting path between lithium battery and the power circuit, as shown in Figure 2, make the operation that powers on of each functional circuit in the shoulder miaow 2.After multi-functional intercom shoulder miaow starts operation; The Big Dipper/GPS integrated positioning module is search of satellite signals immediately; Under the good situation of star condition, just can orient coordinate information in tens seconds time, and be sent to main control chip through serial ports with per second frequency once.Said main control chip is behind the coordinate information and temporal information that receive the Big Dipper/GPS integrated positioning module output; Resolve and store valid data at spatial cache; Obtain communication contact through interface circuit and intercom 1 simultaneously, judge whether the command information that command centre sends.If have; Then resolve and respond, send coordinate information, Termination ID number and operating state information such as (said operating state can comprise the electric weight situation of takeing on miaow 2, receive whether fault etc. of several satellite-signals and camera) via intercom 1 to command centre according to the form of command centre's appointment; If do not have, just get into the sleep cycles wait state, to save electric energy.
Effective coordinate information that parses through main control chip and temporal information can also further transfer in the memory preserves, as shown in Figure 2, so that follow-up live view with admission is synthesized.
Because the satellite frequency through antenna receives is high; Be prone to produce High-frequency Interference; When transmitting in holding wire for fear of high-frequency signal other signals on the circuit board are caused interference, present embodiment preferably installs radome 13 additional above the functional circuit of the front and back transmitting high-frequency signal of circuit board 5 and holding wire, as shown in Figure 1; To avoid High-frequency Interference, guarantee system stable operation to external radiation.
For described video and audio recording module, can partly form by audio video processor and connected real-time timepiece chip and LCDs etc., as shown in Figure 2.Wherein, said audio video processor connects camera 6 and records with microphone 7, and receives the control command that main control chip sends.Said main control chip detects the pressed state of take pictures button K2 and record key K3 through key circuit, and then generates control signal corresponding and transfer to audio video processor, takes pictures or gets into the video recording pattern to control camera 6.A kind of preferred design as present embodiment; Said take pictures button K2 and record key K3 preferred cloth are located on the procapsid 3 of shoulder miaow 2, and wherein, the button K2 preferred cloth of taking pictures is located at the side of procapsid 3; Record key K3 preferred cloth is located on the front panel of procapsid 3, and is as shown in Figure 3.After live view of enrolling with microphone 7 through camera 6 and recording and live audio are carried out the digitized processing of signal via audio video processor, transfer to memory and preserve, said memory can adopt large-capacity storage media such as TF card or SD card.Recording time can be produced and provided by real-time timepiece chip, carry out association through audio video processor after, the live view and the live audio of admission is kept in the described memory according to recording time generation audio-video document.
The LCDs 11 preferred TFT screens that adopt are laid on the backplate of shoulder miaow 2 back casings 4, and as shown in Figure 4, preferred cloth is located at the latter half of backplate, and the personnel in charge of the case can find a view through said TFT screen when photograph and shooting.
In the present embodiment; The said camera 6 preferred high-resolution image sensors that adopt nine mega pixels; Support manually to take pictures and the timing camera function; Can adjust white balance, brightness, contrast and the color saturation of picture, supporting that freeze frame, preview state Digital Zoom, playback picture are scalable dwindles, is provided with picture mirror image/functions such as upset.Press the button K2 that takes pictures on the shoulder miaow 2, can take pictures synchronously, obtain on-the-spot high definition photo, accomplish evidence obtaining work.Press the shooting button K3 on the shoulder miaow 2, can carry out video and audio recording synchronously, realize on-the-spot evidence obtaining work.
In order to make said video and audio recording module have the infrared night vision function, present embodiment is preferably installed infrared LED 14 in the periphery of camera 6, and is as shown in Figure 3, preferably adopts a plurality of infrared LEDs to surround circle, be laid in camera 6 around.Before the camera lens of camera 6, install infrared plated film lens additional, when opening camera 6 photograph or recording a video night, light described infrared LED 14 simultaneously to obtain live view clearly.
In order to reach the purpose of design that infrared LED 14 is only opened automatically under rather dark environment, present embodiment also is provided with sensitive chip in said shoulder miaow 2, connect described main control chip, and is as shown in Figure 2.The light-inductive probe 15 of sensitive chip is laid on the front panel of shoulder miaow 2, in conjunction with shown in Figure 3, the power of induction external environment light, and then generate analog signal or digital data transmission to the described main control chip of representing light intensity.Said main control chip compares the analog signal that receives or digital signal and the set point that writes in advance; If be lower than described set point; A little less than thinking that then ambient light is, need to open night vision function, and then when take pictures the button K2 or the button K3 that makes a video recording press; Export the control end of effective switch controlling signal to gate-controlled switch K5; Control closed its of said gate-controlled switch K5 and be connected on the switch ways between infrared LED 14 and the power circuit,, light described infrared LED 14 automatically with the current supply circuit of closed infrared LED 14.
Live view and live audio through the admission of said video and audio recording module can transfer to the usb circuit in the interface circuit through main control chip, are downloaded to the dispatching desk of command centre via the high speed USB data line, so that ex-post analysis.Said main control chip can be according to the time of reception (said time of reception can extract from the temporal information of the Big Dipper/GPS integrated positioning module output) of satellite-signal and the recording time of live view; Coordinate information to being kept in the memory carries out related with audio-video document; And then the synthetic live view that has geographical coordinate; Promptly in automatic at that time latitude and longitude coordinates information and temporal information on the mark on photo and the video information; Transfer to the dispatching desk of command centre through USB interface, show through the display on the dispatching desk, so that the merit analysis.
Certainly, the building-up process of said coordinate information and live view also can be accomplished by the dispatching desk of command centre, and present embodiment is not limited in above giving an example.
For the voice call circuit, can connect through the button PTT that propagandas directed to communicate of series connection with it and propaganda directed to communicate with microphone 8, as shown in Figure 2.The said button PTT preferred cloth of propagandaing directed to communicate is located at the side of shoulder miaow 2 back casings; In conjunction with Fig. 1, shown in Figure 3; Press described propagandaing directed to communicate during button PTT the personnel in charge of the case, the voice call circuit receives the call voice of propagandaing directed to communicate and picking up with microphone 8, and then transfers to intercom 1 through interface circuit; After being modulated into the radio ultrashort wave via intercom 1, be uploaded to the dispatching desk of command centre through the wireless colony communication link.The phonetic order that issues through dispatching desk demodulates analog signal and transfers to the voice call circuit in the shoulder miaow 2 through interface circuit after receiving via intercom 1, carry out the audio power processing and amplifying via the voice call circuit after, drive loud speaker 9 outputs.Said loud speaker 9 preferred cloth are located on the front panel of shoulder miaow 2.
Take on miaow 2 for ease and be connected with intercom 1, an intercom interface 16 that is integrated with analog signal terminal and digital signal terminal is set in said interface circuit, preferred cloth is located at the below of shoulder miaow 2, like Fig. 2, shown in Figure 3.Wherein, analog signal terminal connects the voice call circuit, is used for transmission and propagandas directed to communicate and receive the language sound; The digital signal terminal connects main control chip, is used for transmission of coordinate information.Between shoulder miaow 2 and intercom 1, select a digital-to-analog multiplexed signals line 10 for use; As shown in Figure 5; One end connects the intercom interface 16 of shoulder miaow 2, the other end be divided into two interfaces respectively with the digital interface 18 and 17 corresponding connections of analog interface of intercom, distinguish transmission of coordinate information and call voice.Said intercom interface 16 can also be also used as charging inlet, and shoulder miaow 2 inner lithium batteries are charged.
In addition, can also on the housing of shoulder miaow 2, headset interface 19, up button 20, descending button 21 and menu selection key 22 etc. be set further according to action need, as shown in Figure 3, preferred cloth is located at the side of shoulder miaow 2 housings, uses to make things convenient for the personnel in charge of the case.
The rotatable anchor clamps 12 of 360 degree can be installed above the backplate of shoulder miaow 2 back casings 4, wear use to make things convenient for the personnel in charge of the case, as shown in Figure 4.Can also further lay SR K4 on the backplate, connect main control chip, in time reset to be used for control system through key circuit.
Present embodiment has also carried out the anti-adverse environment design to said multi-functional intercom shoulder miaow, specifically adopts following manufacture craft:
(1) three anti-manufacture craft
Shoulder miaow 2 inner circuit boards 5 are prevented PROCESS FOR TREATMENT through three, reach the requirement of waterproof and dustproof, anti-salt fog.
(2) Intensity Design manufacture craft
Mainly be the requirement of satisfying multi-functional intercom shoulder miaow anti shock and vibration, design content is primarily aimed at planform and material is selected.For example: shoulder miaow 2 profiles adopt oval-shaped planform, and procapsid 3 is set up reinforcement etc. with back casing 4 inside.
(3) structural member sealing design
According to the design of watertight level, inner imporosity of seal cavity and exterior.For example: install water-proof rubber sleeve 24 additional at the procapsid 3 of shoulder miaow 2 and the fastening position of back casing 4, as shown in Figure 1; On microphone 7,8 and camera 6 and infrared LED 14, install waterproof membrane additional; On each function button, install water-proof rubber sleeve etc. additional.In the practical set of multi-functional intercom shoulder miaow, can select the connector and the seal of corresponding sealing grade for use according to the concrete seal request of shoulder miaow.
(4) Thermal structures design technology
Mainly, guarantee the normal operation of software and hardware system through selecting suitable heat conduction and radiating mode to reduce the inner heat of multi-functional intercom shoulder miaow.For example: on the bigger chip of caloric value, paste heat conductive silica gel, and connect the housing of takeing on miaow 2, heat is distributed through housing through heat conductive silica gel.On the other hand, can adopt radiating groove and the alternatively distributed version of reinforcement, can increase area of dissipation, can improve casing rigidity again at the outer surface of shoulder miaow 2.
(5) electromagnetic Compatibility Design technology
EMC Design mainly comprises two aspects: the shielding external disturbance is disturbed with isolation inside mutually.Multi-functional intercom shoulder miaow internal radio frequency circuit adopts independent metal shell (and radome 13) and shields external disturbance through the mode that reduces the insulation resistance between radio circuit and other functional circuits, reduces inner to external radiation.The short as far as possible and direct ground connection of all ground leads, the ground of the earth-return of signal, shield loop and shell all keeps independent grounding system, and the ground connection of small signal circuit is separated with other ground connection.
(6) damping design technology
Said multi-functional intercom shoulder miaow is carried for the policeman, and damping is had certain requirement, and its inner various assemblies all need use lock washer to carry out consolidation process.
Intercom of the present invention shoulder miaow is integrated up-to-date Big Dipper navigation and two kinds of station-keeping modes of GPS navigation; Locating speed is fast and precision is high; Greatly improved the reliability of navigator fix, and, sent to locating information the dispatching desk of command centre dexterously through the digital communication link of wireless digital cluster device; The command information that can also the receiving scheduling platform issues through this link is simultaneously made corresponding processing.Integrated multiple functional high pixel video and audio recording module has the infrared night vision function; Take pictures in completion, when recording a video; Also the navigator fix information flag in photo and video information; All video informations are stored in the mass storage, can download to rapidly in the centralized computer through the hi-speed USB interface of shoulder miaow, are used for post analysis process.
It is pointed out that multi-functional intercom shoulder miaow proposed by the invention not only can be used for policeman's personal portable, can also be used for vehicle environment; Be not only applicable to public security department, and suitable equally for departments such as industry and commerce, the tax, health and municipal administration.
Certainly; Above-mentioned explanation is not to be limitation of the present invention; The present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.

Claims (10)

1. a multi-functional intercom shoulder miaow comprises intercom and shoulder miaow; It is characterized in that: in said shoulder miaow, be provided with satellite positioning module, video and audio recording module, interface circuit and main control chip; Said satellite positioning module connects antenna, and receiving satellite signal transfers to main control chip with the coordinate information of orienting current location; Said video and audio recording module connects camera and microphone, admission live view and live audio; Said main control chip connecting interface circuit is sent to the dispatching desk of command centre with live view, live audio and the coordinate information of admission.
2. multi-functional intercom shoulder miaow according to claim 1 is characterized in that: in said shoulder miaow, also be provided with memory, be connected with the video and audio recording module with described main control chip respectively; Said main control chip is saved in the coordinate information that receives in the memory according to time of reception; After said video and audio recording module is carried out digitized processing to live view and the live audio of admission, be saved to described memory according to recording time generation audio-video document; Said main control chip, shows through the display on the dispatching desk with the synthetic live view that has geographical coordinate according to related described coordinate information with recording time of time of reception and audio-video document.
3. multi-functional intercom shoulder miaow according to claim 2, it is characterized in that: said time of reception extracts from the temporal information that satellite positioning module receives; Said recording time is produced by the real-time timepiece chip in the video and audio recording module and provides.
4. multi-functional intercom shoulder miaow according to claim 1; It is characterized in that: said satellite positioning module is the Big Dipper/GPS integrated positioning module; Receive Big Dipper satellite signal and gps satellite signal respectively, and go out the coordinate information of current location according to each satellite-signal combination calculation that receives.
5. multi-functional intercom shoulder miaow according to claim 2 is characterized in that: in said interface circuit, include usb circuit, the circumscribed USB data wire; Said main control chip extracts audio-video document or the live view that has geographical coordinate that will synthesize transfer to command centre through the usb data line dispatching desk from memory.
6. multi-functional intercom shoulder miaow according to claim 1, it is characterized in that: said camera is installed on the front panel of shoulder miaow, around camera, infrared LED is installed, and infrared plated film lens is installed before the camera lens of camera; The power circuit of each inner electricity consumption electric of promising shoulder miaow is set in said shoulder miaow; Said infrared LED connects described power circuit through the switch ways of gate-controlled switch; The control end of said gate-controlled switch connects described main control chip, receives the switch controlling signal that main control chip sends.
7. multi-functional intercom shoulder miaow according to claim 6 is characterized in that: in said shoulder miaow, be provided with sensitive chip, and the ambient light that induction is extraneous, and convert the signal of telecommunication to and export described main control chip to; Said main control chip is judged the power of external environment light according to the signal of telecommunication that receives; And then be attenuated to set point when following at ambient light; And when the take pictures button or the button of making a video recording are pressed, export effective switch controlling signal to gate-controlled switch, the control gate-controlled switch is closed; Be communicated with the current supply circuit of infrared LED, light infrared LED.
8. according to each described multi-functional intercom shoulder miaow in the claim 1 to 7; It is characterized in that: in said shoulder miaow, also be provided with the voice call circuit; Connect microphone and loud speaker respectively, and be connected, transmitting-receiving call voice signal with intercom interface in the said interface circuit; Said intercom interface is connected with the digital interface of intercom is corresponding with analog interface respectively through digital-to-analog multiplexed signals line; Wherein, Coordinate information through the output of said main control chip transfers to the digital interface of intercom via the digital signal line in the multiplexed signals line, transfers to the analog interface of intercom via the analog signal line in the multiplexed signals line through the call voice signal of voice call circuit transmission; Said intercom is uploaded the dispatching desk of coordinate information and call voice to command centre through the wireless colony communication link.
9. multi-functional intercom shoulder miaow according to claim 8, it is characterized in that: said shoulder miaow is provided with talk button, and the switch ways of said talk button is connected between microphone and the voice call circuit.
10. according to each described multi-functional intercom shoulder miaow in the claim 1 to 7, it is characterized in that: in said video and audio recording module, include LCDs, be laid on the backplate of shoulder miaow back casing; The rotatable anchor clamps of 360 degree also are installed on said backplate.
CN2012101555588A 2012-05-18 2012-05-18 Multifunctional two way radio shoulder microphone Pending CN102684734A (en)

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CN103281514A (en) * 2013-05-08 2013-09-04 重庆帅能科技有限公司 Terminal device of voice, image and position evidence-taking intercom system
TWI571715B (en) * 2013-10-22 2017-02-21 光寶電子(廣州)有限公司 Control device with automatically adjusting function
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CN108307157A (en) * 2018-01-26 2018-07-20 安徽龙运智能科技有限公司 A kind of forest ranger's inspection positioning audio interaction client terminal device
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CN113835525A (en) * 2021-09-28 2021-12-24 中国刑事警察学院 Wearable equipment for public security law enforcement
CN113835525B (en) * 2021-09-28 2024-07-16 中国刑事警察学院 Wearable equipment for public security law enforcement

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Application publication date: 20120919