CN109525825A - A kind of multi-function vehicle-carried video camera - Google Patents

A kind of multi-function vehicle-carried video camera Download PDF

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Publication number
CN109525825A
CN109525825A CN201910086069.3A CN201910086069A CN109525825A CN 109525825 A CN109525825 A CN 109525825A CN 201910086069 A CN201910086069 A CN 201910086069A CN 109525825 A CN109525825 A CN 109525825A
Authority
CN
China
Prior art keywords
module
shell
assembly
loudspeaker
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910086069.3A
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Chinese (zh)
Inventor
林楠
韦继国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Sibohui Data Technology Co Ltd
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Shenzhen Sibohui Data Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Sibohui Data Technology Co Ltd filed Critical Shenzhen Sibohui Data Technology Co Ltd
Priority to CN201910086069.3A priority Critical patent/CN109525825A/en
Publication of CN109525825A publication Critical patent/CN109525825A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/06Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The present invention discloses a kind of multi-function vehicle-carried video camera, video camera includes shell, CCD camera assembly, fixed mechanism, loudspeaker assembly, microphone assembly and circuit board, circuit board is arranged inside the shell, CCD camera assembly is arranged inside the shell, and CCD camera assembly is connect with circuit board, loudspeaker assembly is arranged inside the shell, and loudspeaker assembly is connect with circuit board, microphone assembly is arranged inside the shell, and microphone assembly is connect with circuit board, fixed mechanism is fixedly mounted on the shell, control circuit is provided on circuit board, control circuit includes audio processing modules, interface module, video processing module and power module, audio processing modules, video processing module and power module are connect with interface module respectively, loudspeaker assembly and microphone assembly are connect with audio processing modules respectively, CCD camera assembly and video processing module Connection, power module is for powering.

Description

A kind of multi-function vehicle-carried video camera
Technical field
The present invention discloses a kind of vehicle-mounted vidicon, and especially a kind of multi-function vehicle-carried video camera belongs to vehicle assisted system Technical field.
Background technique
According to the authentic data investigation statistics whole world, there are about 1,200,000 people to die of road traffic accident every year, and China is often close on 100000 people die of traffic accident.According to crash analysis statistics wherein because driver artificial origin such as: fatigue driving, attention point Scattered, non-standard operation major accident accounts for 90.3% unexpectedly, and simultaneously few or effect is not significant for the generation measure that has of row at present.
The generation for how using strong precautionary measures to reduce such event becomes the task of top priority and major automobile factory Quotient and peripheral vehicle device manufacturer's focus of attention.
With the continuous development of automotive engineering, various vehicle-mounted auxiliary systems are gradually improved, and vehicle-mounted camera is wherein most Common one kind, in traditional vehicle-mounted camera scheme, usually only with following several functions: 1. dividing for traffic accident Analysis determines to provide reliable voucher.2. driver and passenger is facilitated to check interior situation.3. searched for passenger inside the vehicle's dispute, lost article, The generation of the problems such as antikijacking burglar provides processing foundation.4. providing the monitoring of compartment internal and external environment, safety is provided for vehicle driving It ensures.The conventional vehicle-mounted camera usually only passively function of video record, without active functions, function is simple, single, It cannot achieve the function of being reminded driver.
Summary of the invention
There was only passive functions for vehicle-mounted vidicon in the prior art mentioned above, there is no the shortcomings that active functions, The present invention provides a kind of vehicle-mounted camera, realizes and cooperates on-vehicle host to the video acquisition of driver, and can realize and actively mention The functions such as awake, can effectively reduce freeing for traffic accidents.
The technical solution used to solve the technical problems of the present invention is that: a kind of multi-function vehicle-carried video camera, video camera include There are shell, CCD camera assembly, fixed mechanism, loudspeaker assembly, microphone assembly and circuit board, circuit board is arranged in shell Interior, CCD camera assembly is arranged inside the shell, and CCD camera assembly is connect with circuit board, and loudspeaker assembly is arranged inside the shell, and Loudspeaker assembly is connect with circuit board, and microphone assembly is arranged inside the shell, and microphone assembly is connect with circuit board, fixed machine Structure is fixedly mounted on the shell, is provided with control circuit on circuit board, control circuit include audio processing modules, interface module, Video processing module and power module, audio processing modules, video processing module and power module are connect with interface module respectively, Loudspeaker assembly and microphone assembly are connect with audio processing modules respectively, and CCD camera assembly is connect with video processing module, electricity Source module is for powering.
The technical scheme adopted by the invention to solve the technical problem further comprises:
The shell includes chassis shell, lens protecting cap, panel, backboard and bottom plate, and bottom plate is fixedly mounted below chassis shell, Panel is fixedly mounted on the front end of chassis shell, and backboard is fixedly mounted on the rear end of chassis shell, and lens protecting cap is inlaid on panel.
The fixed mechanism includes that pedestal, fixing seat, support rod and fixed bulb, fixing seat are fixedly mounted on shell On, fixed bulb is arranged in fixing seat, and support rod is fixedly mounted on pedestal, and the end point of support rod is fixedly installed universal Bulb, universal ball end are arranged in fixing seat.
The circuit board includes camera shooting mainboard, and camera shooting mainboard is fixedly mounted on backboard by the first copper post, is taken the photograph Camera mainboard is provided with video capture processor, and camera lens is equipped between video capture processor and lens protecting cap, and circuit board also wraps Infrared light compensating lamp plate is included, is fixedly installed togather between infrared light compensating lamp plate and camera shooting mainboard by the second copper post, infrared benefit Infrared lamp is installed on light lamp plate.
The loudspeaker assembly and microphone assembly is connect with camera shooting mainboard respectively, and loudspeaking is fixedly installed on backboard Device fixing piece is fixedly installed with loudspeaker on loudspeaker fixing piece, offers vocal hole on backboard, loudspeaker outboard cover be equipped with every Sound cover, blimp are fixedly installed togather with loudspeaker fixing piece, and microphone chamber, microphone chamber are fixedly installed on blimp Microphone is inside installed.
It is connected with LED alarm lamp in the camera shooting mainboard, LED alarm lamp loophole is offered on panel.
The video processing module includes cmos image sensor and image processor, cmos image sensor and image Processor connection.
Audio frequency power amplifier module is connected on the audio processing modules, loudspeaker is connected in audio frequency power amplifier module, wheat Gram wind is connected in audio control chip.
It is connected with switch module on the audio processing modules, LED drive module is connected on switch module, light filling is used Infrared lamp is connected in LED drive module.
The power module include+5V power module of voltage regulation ,+2.8V power module of voltage regulation, linear voltage regulator and+ 1.2V power module of voltage regulation, input power are converted into+5V power supply by+5V power module of voltage regulation and are powered ,+5V regulated power supply + 5V the power supply of module output is converted into+2.8V power supply by+2.8V power module of voltage regulation and is powered ,+5V power module of voltage regulation + 5V the power supply of output is converted into+1.2V power supply by+1.2V power module of voltage regulation and is powered, the output of+5V power module of voltage regulation + 5V power supply+3.3V is converted by linear voltage regulator and+1.8V power supply is powered.
The beneficial effects of the present invention are: the present invention, which acquires image information by CMOS image sensor, is sent to video Processing module carries out DAC, is connect, will be acquired with host by connecting line outside machine by video processing module output AHD vision signal To the video information of driver be transmitted to host, carry out computer assisted image processing.When host is to collected driver's video When the abnormal activities such as information is analyzed, and discovery driver has fatigue driving, makes a phone call, smokes, host can pass through USB interface It issues data and is converted into audio signal by audio processing modules, remind driver to stop non-standard operation by sound horn, Careful driving, safe driving reduce traffic accident rate.Same audio processing modules can acquire audio by microphone Information is transmitted to host by USB interface, realizes human-computer interaction and real-time intercommunication function.
The video acquisition to driver not only may be implemented in the present invention, also realization voice reminder, real-time voice intercommunication, LED Light prompting, LED light such as show at the functions, can more directly remind driver's civilization, safe driving, effectively reduce traffic peace The generation of full accident.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure.
Fig. 2 is decomposing state structural schematic diagram of the present invention.
Fig. 3 is another visual angle decomposing state structural schematic diagram of the present invention.
Fig. 4 is circuit block diagram of the present invention.
Fig. 5 is signal processing circuit diagram of the present invention.
Fig. 6 is control section circuit diagram of the present invention.
Fig. 7 is image processor partial circuit schematic diagram of the present invention.
Fig. 8 is cmos image sensor partial circuit schematic diagram of the present invention.
Fig. 9 is storage chip partial circuit schematic diagram of the present invention.
Figure 10 is 2.8V power unit circuit diagram of the present invention.
Figure 11 is 1.2V power unit circuit diagram of the present invention.
Figure 12 is linear voltage regulator partial circuit schematic diagram of the present invention.
Figure 13 is audio control chip partial circuit schematic diagram of the present invention.
Figure 14 is interface section circuit diagram of the present invention.
Figure 15 is audio frequency power amplifier partial circuit schematic diagram of the present invention.
Figure 16 is LED drive part circuit diagram of the present invention.
Figure 17 is switch sections circuit diagram of the present invention.
In figure, 1- chassis shell, 2- lens protecting cap, 3- pedestal, 4- fixing seat, 5- support rod, the fixed bulb of 6-, the bottom 7- Plate, 8- backboard, 9- loudspeaker fixing piece, 10- loudspeaker, the first copper post of 11-, 12- image mainboard, the second copper post of 13-, 14- Infrared light compensating lamp plate, 15- infrared light compensating lamp fixed frame, 16- camera lens, 17- infrared lamp, 18-3M glue, 19- panel, 20- microphone, 21- microphone chamber, 22-LED alarm lamp loophole, 23- blimp.
Specific embodiment
The present embodiment is the preferred embodiment for the present invention, other its all principles and basic structure are identical or close as the present embodiment As, within that scope of the present invention.
It mainly include outer incorporated by reference to referring to attached drawing 1, to attached drawing 17, the present invention protects a kind of multi-function vehicle-carried video camera Shell, CCD camera assembly, fixed mechanism, loudspeaker assembly, microphone assembly and circuit board, circuit board are arranged inside the shell, take the photograph Inside the shell as head assembly setting, and CCD camera assembly is connect with circuit board, for acquiring video information, loudspeaker assembly setting Inside the shell, and loudspeaker assembly is connect with circuit board, and for exporting acoustic information, microphone assembly is arranged inside the shell, and Microphone assembly is connect with circuit board, and for acquiring acoustic information, fixed mechanism is fixedly mounted on the shell, can pass through fixed machine The present invention is fixedly mounted in automobile by structure, and control circuit is provided on circuit board, and control circuit mainly includes audio processing mould Block, interface module, video processing module and power module, audio processing modules, video processing module and power module respectively with Interface module connection, loudspeaker assembly and microphone assembly are connect with audio processing modules respectively, at CCD camera assembly and video Module connection is managed, power module is for powering.
In the present embodiment, shell mainly includes chassis shell 1, lens protecting cap 2, panel 19, backboard 8 and bottom plate 7, bottom plate 7 It is fixedly mounted on 1 lower section of chassis shell, panel 19 is fixedly mounted on the front end of chassis shell 1, and backboard 8 is fixedly mounted on chassis shell 1 Rear end, lens protecting cap 2 are inlaid on panel 19.Heretofore described "upper", "lower" are in attached drawing 1, attached drawing 2, attached drawing 3 For the direction of display, and installation or the operative orientation of non-present invention, heretofore described "front", "rear" are with of the invention For installation or operative orientation.In the present embodiment, panel 19 is sticked on chassis shell 1 by 3M adhesive sticker 18.
In the present embodiment, fixed mechanism includes pedestal 3, fixing seat 4, support rod 5 and fixed bulb 6, the fixed peace of fixing seat 4 On bottom plate 7, fixed bulb 6 is arranged in fixing seat 4, and support rod 5 is fixedly mounted on the base 3, the end point of support rod 5 It is fixedly installed universal ball end (not marked in figure), universal ball end is arranged in fixing seat 4, can be on the outside of fixing seat 4 by solid Determine screw (not marking in figure) universal ball end and fixing seat 4 are fixed together, can easily adjust its direction.The present embodiment In, fixed mechanism uses 3 form of pedestal, when it is implemented, fixed mechanism can also use other forms in the prior art.
In the present embodiment, circuit board includes camera shooting mainboard 12, and camera shooting mainboard 12 passes through first copper post 11(the present embodiment In, the first copper post 11 uses M2X26+5 copper post) it is fixedly mounted on backboard 8, camera shooting mainboard 12 is provided with video capture processor (i.e. CMOS image sensor), is equipped with camera lens 16, external image information between video capture processor and lens protecting cap 2 It can pass through lens protecting cap 2 and inject camera lens 16, video capture processor is inputed to after converging by camera lens 16 and carries out image recognition.This In embodiment, circuit board further includes infrared light compensating lamp plate 14, and infrared light compensating lamp plate 14 is arranged in parallel with camera shooting mainboard 12, infrared By the way that in second copper post 13(the present embodiment, the second copper post 13 uses M2X12 bilateral between light filling lamp plate 14 and camera shooting mainboard 12 Copper post) it is fixedly installed togather, infrared lamp 17 is installed on infrared light compensating lamp plate 14, when can be used for night or insufficient light, is mended Light is used, and infrared light compensating lamp plate 14 and camera shooting mainboard 12 are connected with each other.Infrared benefit is fixedly installed in the present embodiment, in shell Light light fixtures 15 can play the role of being auxiliarily fixed by infrared light compensating lamp fixed frame 15 to infrared lamp 17.
In the present embodiment, loudspeaker assembly and microphone assembly are connect with camera shooting mainboard 12 respectively, fixed peace on backboard 8 Equipped with loudspeaker fixing piece 9, loudspeaker 10 is fixedly installed on loudspeaker fixing piece 9, it can be by loudspeaker fixing piece 9 to loudspeaking Device 10 plays fixed, protective effect, offers vocal hole on backboard 8, and the sound that loudspeaker can be made to issue is issued through vocal hole. In the present embodiment, 10 outboard cover of loudspeaker is equipped with blimp 23, and blimp 23 is fixedly installed togather with loudspeaker fixing piece 9, The sound that the sending of loudspeaker 10 can be reduced has an impact microphone 20.In the present embodiment, it is fixedly installed on blimp 23 Microphone chamber 21 is equipped with microphone 20 in microphone chamber 21, microphone 20 is mounted in microphone chamber 21, it can be completely cut off His signal is to interference signals such as the interference of microphone and output echoes.
In the present embodiment, loudspeaker 10 and camera shooting mainboard 12 between, microphone 20 and camera shooting mainboard 12 between and It is connected respectively by winding displacement between infrared light compensating lamp plate 14 and camera shooting mainboard 12.
In the present embodiment, images and be also connected with LED alarm lamp in mainboard 12, it is saturating to offer LED alarm lamp on panel 19 Unthreaded hole 22, the light that LED alarm lamp issues can be issued by LED alarm lamp loophole 22, be prompted driver.
In the present embodiment, images and be connected with external cable in mainboard 12, can be connect by external cable with vehicle.
In the present embodiment, video processing module includes cmos image sensor (i.e. video capture processor, CMOS image Sensor it) is connected with image processor, cmos image sensor with image processor, by cmos image sensor by optical signal It is converted into electric signal, and is transferred to image processor and is handled, in the present embodiment, cmos image sensor uses model Micro- imaging sensor sensitive chip of JX-H65_CSP, image processor use the image processor core of model NVP2433H Piece is connected with memory on image processor, and memory uses the storage chip of model BY25D40ASOIG, can be to image information It is cached.
In the present embodiment, audio processing modules use the audio control chip of model CM6533, in audio control chip It is also connected with audio frequency power amplifier module, audio frequency power amplifier module uses the audio frequency power amplifier chip of model CS8571, and loudspeaker is connected to In audio frequency power amplifier module, microphone is connected in audio control chip, the sound that can be acquired by audio control chip to microphone Frequency signal is encoded, and can also be decoded by audio control chip to digital audio and video signals, and be transferred to audio frequency power amplifier mould On the one hand block can be carried out real-time voice prompting to driver, on the other hand may be used also by audio frequency power amplifier module drive the speaker sounding To realize real time phone call by microphone and loudspeaker.
In the present embodiment, audio processing modules have data processing function, are connected with switch module on audio processing modules, LED drive module is connected on switch module, light filling infrared lamp 17 is connected in LED drive module, and switch module uses three The base stage of pole pipe, triode is connected in the universal data interface of audio processing modules, the emitter ground connection of triode, triode Collector connect with LED drive module, give light filling infrared lamp 17 to power by+12V power supply, LED drive module, that is, LED connects Mouthful, it is serially connected with a zener diode respectively between every LED driving line and ground.
In the present embodiment, audio processing modules, video processing module and power module are connect with interface module respectively, are passed through Interface module is connect with automobile, is powered and is communicated.
In the present embodiment, power module include+5V power module of voltage regulation ,+2.8V power module of voltage regulation, linear voltage regulator with And+1.2V power module of voltage regulation etc., power supply of the invention are powered using vehicle power supply, input voltage is+12V, vehicle It carries power supply and is powered by the conversion of+5V power module of voltage regulation in+5V power supply ,+5V the power supply of+5V power module of voltage regulation output is logical Cross+2.8V power module of voltage regulation and be converted into+2.8V power supply and be powered ,+5V the power supply of+5V power module of voltage regulation output by+ 1.2V power module of voltage regulation is converted into+1.2V power supply and is powered, and+5V the power supply of+5V power module of voltage regulation output passes through linear Voltage-stablizer is converted into+3.3V and+1.8V power supply is powered, and in the present embodiment ,+5V power module of voltage regulation uses model 7805 Voltage stabilizing chip ,+2.8V power module of voltage regulation use model SGM2019-2.8YN5G/TR chip ,+1.2V regulated power supply Module uses the chip of model STI3408B, and linear voltage regulator uses the chip of model SGM2027-VYTN6G/TR.
In the use of the present invention, being installed on automobile, cooperation on-vehicle host is used, by automobile power source to the present invention It is powered, the present invention is responsible for carrying out data acquisition and alarm signal output, and on-vehicle host is responsible for signal identification processing etc..
The present invention acquires image information by CMOS image sensor and is sent to video processing module progress DAC, by regarding Frequency processing module output AHD vision signal is connect by the outer connecting line of machine with host, by the video information of collected driver It is transmitted to host, carries out computer assisted image processing.When host analyzes collected driver's video information, discovery is driven When member such as has fatigue driving, make a phone call, smoke at the abnormal activities, host can pass through audio processing by USB interface sending data Module is converted into audio signal, reminds driver to stop non-standard operation, careful driving, safe driving, drop by sound horn Low traffic accident rate.Same audio processing modules can acquire audio-frequency information by microphone, be transmitted by USB interface To host, human-computer interaction and real-time intercommunication function are realized.
The video acquisition to driver not only may be implemented in the present invention, also realization voice reminder, real-time voice intercommunication, LED Light prompting, LED light such as show at the functions, can more directly remind driver's civilization, safe driving, effectively reduce traffic peace The generation of full accident.

Claims (10)

1. a kind of multi-function vehicle-carried video camera, it is characterized in that: the video camera includes shell, CCD camera assembly, fixed machine Structure, loudspeaker assembly, microphone assembly and circuit board, circuit board are arranged inside the shell, and CCD camera assembly is arranged inside the shell, And CCD camera assembly is connect with circuit board, loudspeaker assembly is arranged inside the shell, and loudspeaker assembly is connect with circuit board, Mike Wind component is arranged inside the shell, and microphone assembly is connect with circuit board, and fixed mechanism is fixedly mounted on the shell, on circuit board It is provided with control circuit, control circuit includes audio processing modules, interface module, video processing module and power module, audio Processing module, video processing module and power module are connect with interface module respectively, loudspeaker assembly and microphone assembly difference It is connect with audio processing modules, CCD camera assembly is connect with video processing module, and power module is for powering.
2. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the shell includes chassis shell, camera lens Protection cap, panel, backboard and bottom plate, bottom plate are fixedly mounted below chassis shell, and panel is fixedly mounted on the front end of chassis shell, are carried on the back Plate is fixedly mounted on the rear end of chassis shell, and lens protecting cap is inlaid on panel.
3. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the fixed mechanism includes pedestal, consolidates Reservation, support rod and fixed bulb, fixing seat are fixedly mounted on the shell, and fixed bulb is arranged in fixing seat, and support rod is solid Surely it is mounted on the base, the end point of support rod is fixedly installed universal ball end, and universal ball end is arranged in fixing seat.
4. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the circuit board includes camera shooting owner Plate, camera shooting mainboard are fixedly mounted on backboard by the first copper post, and camera shooting mainboard is provided with video capture processor, and video is adopted Camera lens is installed, circuit board further includes infrared light compensating lamp plate, infrared light compensating lamp plate and camera shooting between collection chip and lens protecting cap It is fixedly installed togather between mainboard by the second copper post, infrared lamp is installed on infrared light compensating lamp plate.
5. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the loudspeaker assembly and microphone group Part is connect with camera shooting mainboard respectively, and loudspeaker fixing piece is fixedly installed on backboard, is fixedly installed on loudspeaker fixing piece Loudspeaker offers vocal hole on backboard, and loudspeaker outboard cover is equipped with blimp, and blimp and loudspeaker fixing piece are fixedly mounted Together, microphone chamber is fixedly installed on blimp, microphone is intracavitary to be equipped with microphone.
6. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: being connected in the camera shooting mainboard LED alarm lamp offers LED alarm lamp loophole on panel.
7. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the video processing module includes CMOS Imaging sensor and image processor, cmos image sensor are connected with image processor.
8. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: being connected on the audio processing modules Audio frequency power amplifier module, loudspeaker are connected in audio frequency power amplifier module, and microphone is connected in audio control chip.
9. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: being connected on the audio processing modules Switch module is connected with LED drive module on switch module, and light filling is connected in LED drive module with infrared lamp.
10. multi-function vehicle-carried video camera according to claim 1, it is characterized in that: the power module includes+5V pressure stabilizing Power module ,+2.8V power module of voltage regulation, linear voltage regulator and+1.2V power module of voltage regulation, input power are steady by+5V Piezoelectricity source module is converted into+5V power supply and is powered, and+5V the power supply of+5V power module of voltage regulation output passes through+2.8V regulated power supply Module is converted into+2.8V power supply and is powered, and+5V the power supply of+5V power module of voltage regulation output passes through+1.2V power module of voltage regulation It is converted into+1.2V power supply to be powered ,+5V the power supply of+5V power module of voltage regulation output is converted into+3.3V by linear voltage regulator It is powered with+1.8V power supply.
CN201910086069.3A 2019-01-29 2019-01-29 A kind of multi-function vehicle-carried video camera Pending CN109525825A (en)

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