CN205408033U - Take vehicle event data recorder of WIFI function - Google Patents
Take vehicle event data recorder of WIFI function Download PDFInfo
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- CN205408033U CN205408033U CN201620163007.XU CN201620163007U CN205408033U CN 205408033 U CN205408033 U CN 205408033U CN 201620163007 U CN201620163007 U CN 201620163007U CN 205408033 U CN205408033 U CN 205408033U
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a take vehicle event data recorder of WIFI function includes the camera, sets up circuit board 7, dish core, electric core in the casing, dish core and electric core are connected respectively circuit board 7, be provided with the control unit, WIFI chip, charge management unit, DC on the circuit board 7 the DC voltage regulation and output unit, interface and USB interface charge, the camera with the dish core carries out data transmission, the charge management unit passes through the interface that charges does the electricity core charges, DC the DC voltage regulation and output unit passes through charging to external equipment is realized to the USB interface, the control unit control charge management unit, DC the DC voltage regulation and output unit and the WIFI chip. The utility model discloses a vehicle event data recorder has driving record, wireless internet access, portable hard drive and portable power source function concurrently.
Description
Technical field
The utility model belongs to mobile unit field, particularly relates to a kind of have WIFI function
Drive recorder.
Background technology
Drive recorder be a kind of be able to record that vehicle exercise way in image and the one of sound
The equipment of kind, one of its purpose is as evidence using the data information of recording, when unexpected generation,
Ensure the lawful right of driver；Meanwhile, for the purpose of amusement, it is also possible to by record at ordinary times
The video data of system recalls viewing, and drive recorder pattern the most on the market is attractive in appearance, and function is numerous
Many, it is a lot of convenient to bring to people's life.Existing drive recorder is installed in car, logical
Often be fixed on certain position in car, such as can on instrument desk or on room mirror, and
Generally with display screen, for showing the video recording that drive recorder stores, by vehicle self
Electric power system provides electric energy for it.
WIFI be current wireless IP transmission mature technology, can by notebook computer, mobile phone,
The intelligent terminals such as panel computer are wirelessly connected with each other, and have long transmission distance, bandwidth
High, the easy feature of networking, is widely used in relevant industries.
Along with the use of drive recorder is more and more extensive, drive recorder is increasingly required
All kinds of platforms are docked to increase its function and practicality, driving recording by WIFI wireless network
The requirement of internet is improved the most all the more by instrument, the wireless biography of 3G that existing drive recorder uses
Defeated speed is relatively slow, uses USB wiring communication the most inconvenient, it is impossible to meet the demand of people.
Existing vehicle is generally equipped with drive recorder, but drive recorder itself is only used as
A kind of video recording equipment, lacks corresponding wireless communication function, at function setting and storage video
Share and there is certain limitation.
Utility model content
The technological deficiency existed for prior art, the purpose of this utility model is to provide a kind of band
The drive recorder of WIFI function, it is characterised in that include camera 9, be arranged in housing
Wiring board 7, hub 6, battery core 15, described hub 6 and battery core 15 connect described wiring board respectively
7, described wiring board 7 is provided with control unit 12, Charge Management unit 13, DC-DC pressure regulation
Output unit 14, charging inlet 21 and USB interface 22, WIFI chip 2 is arranged on described line
As focus on road plate 7；
Described camera 9 carries out data transmission with described hub 6, described Charge Management unit 13
Charged for described battery core 15 by described charging inlet 21, described DC-DC pressure regulation output unit 14
Realizing the charging to external equipment by described USB interface 22, described control unit 12 controls institute
State Charge Management unit 13, DC-DC pressure regulation output unit 14 and described WIFI chip 2.
Preferably, described housing is made up of holding tank and cover plate, and described wiring board 7 is fixed on described
Bottom holding tank, the inwall that described hub 6 is close to described holding tank is fixed, described charging inlet 21
External-connected port and the external-connected port of described USB interface 22 be arranged at outside described holding tank
On wall；
Wherein, described holding tank is also divided into the first receiving portion and the second receiving portion by dividing plate, described
Hub 6 is positioned at described first receiving portion, and described battery core 15 is positioned at the second receiving portion.
Preferably, described DC-DC pressure regulation output unit 14 includes DC-DC boosting output unit 141
With DC-DC reduced output voltage unit 142.
Preferably, described Charge Management unit 13 also includes that DC-DC is depressured equilibrium charging unit 131.
Preferably, described drive recorder also includes current detecting unit 17, described current detecting list
Unit 17 connects described battery core 15, control unit 12 and DC-DC pressure regulation output unit 14 respectively.
Preferably, described drive recorder also includes that display unit 18, described display unit 18 wrap
Include display circuit 181 and display screen 182.
Preferably, described drive recorder also includes push-button unit 19, described push-button unit 19 with
Described control unit 12 connects.
Preferably, described wiring board 7 is additionally provided with pcmcia interface or CF interface, wireless
Card of surfing Internet is fixed in described pcmcia interface or CF interface, and described control unit 12 controls
Described wireless Internet card is connected to 3G or 4G network.
The drive recorder built-in Wi-Fi function that the utility model provides, can be with the intelligence such as mobile phone
The application program of energy terminal is connected, it is achieved convenient management image literary composition captured by drive recorder
Part, is also convenient for user simultaneously and drive recorder is carried out various setting, adjustment, more can pass through
Wi-Fi makees short-range real-time monitoring.The utility model simple in construction, easy to use.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, this reality
Will become more apparent upon by novel other features, objects and advantages:
Fig. 1 shows detailed description of the invention of the present utility model, a kind of band WIFI function
The structural representation of drive recorder；
Fig. 2 shows detailed description of the invention of the present utility model, integrated in the circuit board each
Functional unit and the schematic diagram of each interface；
Fig. 3 shows an embodiment of the present utility model, the row of a kind of band WIFI function
The structural representation of car recorder；
Fig. 4 shows an embodiment of the present utility model, drive recorder and multiple terminals
Topological diagram；
Fig. 5 shows an embodiment of the present utility model, described control unit and button list
The circuit diagram of unit；
Fig. 6 shows an embodiment of the present utility model, DC-DC step-down equilibrium charging electricity
The circuit diagram on road；
Fig. 7 shows an embodiment of the present utility model, DC-DC boosting output unit
Circuit diagram；
Fig. 8 shows an embodiment of the present utility model, DC-DC reduced output voltage unit
Circuit diagram；And
Fig. 9 shows an embodiment of the present utility model, the circuit diagram of current detecting unit.
Detailed description of the invention
In order to preferably make the technical solution of the utility model show clearly, below in conjunction with
The utility model is described in further detail for accompanying drawing.
Fig. 1 shows the first detailed description of the invention of the present utility model, described drive recorder
Modular structure schematic diagram, as it is shown in figure 1, described drive recorder includes being arranged on outside housing
Camera 9, described camera 9 can be in camera by Real-time Collection vehicle in the process of moving
View data in the range of camera lens, specifically, described camera is generally arranged at the outer surface of housing,
Such as it is fixed on the outer surface of housing by straight-bar wire, or is directly embedded in the outer surface of housing.
Further, wiring board 7, hub 6, electricity it are provided with in the housing of described drive recorder
Core 15, described hub 6 and battery core 15 connect described wiring board 7 respectively.Specifically, described line
Road plate 7, hub 6, the battery core 15 (the most each parts) position in described housing are permissible
Shape and size according to described housing make change flexibly, as long as described housing can be by each parts
Being placed in the cavity of self, and keep each parts to be connected with described shell stability, concrete consolidates
Determining mode can be the conventional connected mode such as clamping or welding, and those skilled in the art can be in conjunction with
Prior art does different changes, and this is not emphasis of the present utility model, does not repeats them here.
Further, described wiring board 7 is integrated with control unit 12, Charge Management unit 13,
DC-DC pressure regulation output unit 14, charging inlet 21, USB interface 22 and WIFI chip 2,
Described control unit 12 is used for controlling described camera 9, WIFI chip 2, Charge Management unit
13 and DC-DC pressure regulation output units 14, described Charge Management unit 13 is used for and described control
Unit 12 carries out communication and controls the charging of described battery core 15, described DC-DC pressure regulation output unit
The 14 stable outputs that can regulate and control electric energy, described battery core 15 is used for storing electric energy, described
Hub 6 is used for storing data.
Further, described hub 6 is connected by data wire with described camera 9, line number of going forward side by side
According to transmission, the driving picture that described hub 6 is captured by camera 9 for storage.Specifically,
Described hub 6 is the storage device of physical form, can be memory bar, TF card etc..Further
Ground, it will be appreciated by those skilled in the art that described hub 6 is additionally operable to the access of data, it is achieved with outside
The data transmission of terminal.Specifically, the detailed description of the invention that will be described below is done and retouches in more detail
State, do not repeat them here.Further, described hub 6 is also connected with described wiring board 7, described
Control unit 12 controls harddisk driving unit 3 and realizes described hub 6 by described USB interface 22
Transmit with the data of exterior terminal.
Further, it will be appreciated by those skilled in the art that described control unit 12 is to process chip,
Described Charge Management unit 13 is charging circuit, and described DC-DC pressure regulation output unit 14 is output
Circuit, described charging circuit and output circuit composition peripheral circuit, process chip and coordinate peripheral circuit
Complete the charging and discharging of described battery core 15.Specifically, described charging circuit connects described battery core
15, described charging circuit be provided with can be connected externally to the input that connects, be described charging inlet
21, external power source is that described battery core 15 is charged by described charging inlet 21 and charging circuit.
Described output circuit is connected with described battery core 15, for the electric energy in battery core is passed through described USB
Interface 22 is transferred to other electronic equipments.More specifically, described memory 11, process chip,
Peripheral circuit, charging inlet 21 and USB interface 22 are integrated on a circuit board, described battery core
15 can also provide electric energy for each parts in described drive recorder so that described drive recorder
Vehicle powering system can be not necessarily dependent on.
Further, the realization of each unit function can be hardware, software module or the group of the two
Close.Specifically, if realized by software module, can be by burned for program in advance to described control
In the process chip of unit 1, and peripheral circuit is coordinated to realize；If realized by hardware, then may be used
Field programmable gate array (FPGA) is utilized corresponding function immobilization to be realized.
Further, described software module can be stored in RAM memory, flash memory, ROM storage
Device, eprom memory, hard disk or the storage medium of any other form known in the art.
By described storage medium is coupled to processor, so that described processor can be from described storage
Medium reads information, and information can be write to described storage medium.Change as one,
Described storage medium can be the part of processor, or described processor and described storage are situated between
Matter is respectively positioned on special IC (ASIC).
Further, described hardware can be that by the general processor of concrete function, numeral
Signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA)
Or other PLDs, discrete gate or transistor logic, discrete hardware components or with
The combination of these hardware upper.Change as one, it is also possible to realize by calculating the combination of equipment,
Such as, DSP and the combination of microprocessor, the combination of multi-microprocessor communicate with DSP combination
The combination etc. of one or more microprocessor.
Further, described WIFI chip 2 can be polytype, such as, can be devices at full hardware
Type, does not the most use processor, MAC (the Medium Access Control) layer of whole chip and
Physical layer is all realized by hardware logic；Can be the most such as medium-soft semi-hard type, i.e. MAC layer uses
Processor, physical layer uses hardware logic to realize；Can be the most such as full soft-type, the most whole chip
Use high-speed dsp, and MAC layer and physical layer are all realized by software.Specifically, such as Fig. 4
Shown in, described WIFI chip 2 can make the multiple terminals in car (show in Fig. 4 as focus
Terminal 1, terminal 2 and the terminal 1 gone out) can build with described drive recorder for WIFI hot spot
Vertical wireless network.More specifically, it will be appreciated by those skilled in the art that described drive recorder is permissible
Received from Signal Terminal (WIFI or mobile phone such as with oneself, figure by described WIFI chip 2
Not shown in) 3G or 4G signal, and described 3G or 4G signal is converted into WIFI
Signal.
In one more preferably embodiment, as in figure 2 it is shown, integrated on described wiring board 7
Pcmcia interface (can also be CF interface), then wireless Internet card is fixed on described PCMCIA
In interface, and control described wireless Internet card by described control unit 12 and be connected to 3G or 4G
Network.Specifically, in such embodiments, the most described drive recorder need not receive from
3G or the 4G signal of said external equipment, but by described control unit 12, wireless Internet access
Card and WIFI chip 2 realize the function of WIFI hot spot.More specifically, described control unit
12 are made up of process chip and peripheral circuit, and described peripheral circuit connects described WIFI chip 2
And pcmcia interface or CF interface, described process chip coordinates described peripheral circuit to control institute
State WIFI chip 2 and pcmcia interface or CF interface realizes corresponding function.Preferably,
Described process chip can also the most burned corresponding program code, combined by hardware and software
Mode control described WIFI chip 2 and wireless Internet card work.
It will be appreciated by those skilled in the art that the effect of described wireless Internet card, function are equivalent to wired
Modem, can cover Anywhere having radiophone signal, utilize usim card
Or SIM is connected on internet.More specifically, pcmcia interface or CF is used to connect
Mouthful, described pcmcia interface bandwidth is based on pci bus, and transmission speed is preferable, and PCMCIA
Wireless Internet card fully-inserted described driving recording can be allowed when the advantage of interface is actually used
The inside of instrument, substantially without there being prominent part, the safest, will not be because of some
Fortuitous event and collide.In another change case, described pcmcia interface replaces with CF
Interface, it will be appreciated by those skilled in the art that described CF interface is smaller and more exquisite than pcmcia interface, and
And just can be converted into pcmcia interface by the adapter of a dozens of yuan, therefore can conduct
Optimal interface of the present utility model.It will be appreciated by those skilled in the art that described drive recorder connects
After 3G or 4G network, coordinate described control unit 12 and harddisk driving unit, can
Being to realize described drive recorder to be carried out data transmission with external equipment by mobile network.
Fig. 3 shows the structural representation of the drive recorder of a kind of band WIFI function.Specifically
Ground, the housing of described drive recorder is by holding tank (not shown in Fig. 3) and cover plate (Fig. 3
Not shown in) composition, described wiring board 7 is fixed on bottom described holding tank, described hub 6
And the inwall that described battery core 15 is close to described holding tank fixes, described charging inlet 21 external
The external-connected port of port and described USB interface 22 is arranged on the outer wall of described holding tank.
Specifically, described holding tank and cover plate are collectively forming the receiving of described drive recorder
District, for accommodating each parts of described drive recorder, it will be appreciated by those skilled in the art that described
The receiving district that holding tank and cover plate are formed is intended only as one and accommodates space, described wiring board 7,
The set-up mode of hub 6, battery core 15, charging inlet 21 and USB interface 22 can be weldering
Connecing or the common mode such as clamping, these are not emphasis of the present utility model, art technology
Personnel can make different changes on the basis of prior art, does not repeats them here.Further
Ground, described holding tank is also divided into the first receiving portion and the second receiving portion, described hub 6 by dividing plate
Being positioned at described first receiving portion, described battery core 15 is positioned at the second receiving portion.
Further, described DC-DC pressure regulation output unit 14 includes that DC-DC boosting output is single
Unit's 141 and DC-DC reduced output voltage unit 142, it will be appreciated by those skilled in the art that described DC-DC
The input of boosting output unit 141 and described DC-DC reduced output voltage unit 142 connects institute
State battery core 15.Specifically, described DC-DC boosting output unit 141 is DC-DC boosting output
Circuit, it is possible to the output voltage of described battery core 15 is adjusted to and mates from different electrical equipments
Magnitude of voltage, and described DC-DC boosting output unit 141 be connected with described output conversion head 16,
The output conversion head 16 of different model is connected according to different electrical equipments.Described DC-DC is depressured
Output unit 142 usually DC-DC is depressured 5V output circuit, and it passes through USB interface constant voltage
5V exports, for using the electrical equipment of USB interface to power.
Further, described Charge Management unit 13 also includes that DC-DC is depressured equilibrium charging
Unit 131, in such embodiments, described Charge Management unit 13 is by interface input circuit
With DC-DC step-down equilibrium charging circuit composition, described interface input circuit connects described charging
Mouth 21, external power source by described charging inlet 21 and described step-down equilibrium charging circuit is
Described battery core 15 constant current voltage limiting charges, and the process of whole charging is controlled by described control unit 12.
Further, described drive recorder also includes current detecting unit 17, and described electric current is examined
Survey unit 17 and connect described battery core 15, control unit 12 and DC-DC pressure regulation output unit respectively
14.Described current detecting unit 17 is for accurately detecting battery electric quantity, described current detecting list
Unit 17 is a current detection circuit, and described current detecting unit 17 is by described control unit 12
Controlling, described battery core 15 is connected with described current detecting unit 17 and examines by described electric current
Survey unit 17 and it is carried out inspection stream.
Further, described drive recorder also includes display unit 18, described display unit
18 include that display circuit 181 and display screen 182, described display screen 182 are preferably provided in institute
Stating housing outer surface, described display circuit 181 is arranged in described housing, described display unit
18 for show described portable power source operating voltage and state, described display circuit 181
Connect described control unit 12, and for supporting that described display screen 182 is by described portable power source
Operating voltage and duty show.
Further, described portable power source also includes push-button unit 19, described push-button unit
19 are connected with described control unit 12.It will be appreciated by those skilled in the art that described push-button unit 19
For receiving the instruction of user, and described instruction is transferred to described control unit 12, according to
Detailed description of the invention of the present utility model, described push-button unit 19 is used for controlling described driving note
The opening and closing of record instrument, the speed that the opening and closing of described portable power source and described portable power source are powered.
Fig. 5 to Fig. 8 shows the circuit structure schematic diagram of an embodiment of the present utility model,
According to the circuit diagram of Fig. 5 to Fig. 8, below in conjunction with instantiation to described drive recorder charge and discharge
Electricity Functional part is specifically described.It will be appreciated by those skilled in the art that Charge Management unit 13
Can use the outer power supply adaptor joined that civil power is converted to the DC voltage feed-in of 16V～19V
The IN+ end of described Charge Management unit 13, when the D1 end input voltage of described control unit 12
More than or equal to 2.9V, described control unit 12 enters charge mode.
Further, described control unit 2 reads the magnitude of voltage of the 6th pin I-C end, controls the
The output duty cycle of 15 pin PWM1 ends, making output charging current is 1.2A, when Charge Management list
The VB+ of unit 13 shows full lattice more than or equal to battery frame during 12.5V, and charging current reduces to 0.6A,
When VB+ is more than or equal to 12.8V, PWM1=0, turn off charging current.
Further, it is more than or equal to when the voltage difference of each battery pack in described battery core 15
Equilibrium charging function, in a preferred embodiment, V1=3.9V is started during 0.1V,
When V2=3.95V, V3=4.01V, V3-V1=0.11V ＞ 0.10V, then Charge Management unit 13
BB3/DH=1,3Q10 turn on shunting, make to flow through V3 battery core charging current and reduce, when V1,
During voltage difference ＜ 0.10V, V3=(V1+V2)/2 between V2, V3, then BB3/DH=0.
Further, described display unit can also show the state of charge of described battery core, example
As described display unit show by the way of on a display screen with aperture and luminous point charge into
Journey, as VB+ ＜ 9.0V, battery pre-charging, aperture is glittering, and the brightness of luminous point is 0%；
During VB+=9.0V, aperture the 1st lattice luminous point is glittering, and the brightness 5% of luminous point is incremented by；VB+=10.8V
Time, aperture the 1st lattice are glittering, the brightness 20% of luminous point, and then 5% is incremented by；During VB+=11.4,
Aperture the 2nd lattice are glittering, the brightness 40% of luminous point, and then 5% is incremented by；During VB+=12.0V, light
Enclosing the 3rd lattice glittering, the brightness 60% of luminous point, then 5% is incremented by；During VB+=12.3V, aperture
3rd lattice are glittering, the brightness 80% of luminous point, and then 5% is incremented by；During VB+=12.4V, aperture
4 lattice are glittering, the brightness 90% of luminous point, and then 5% is incremented by；During VB+ >=12.5V, the full lattice of aperture,
The brightness 100% of luminous point, charging current reduces to 0.6A；During VB+ >=12.8V, the full lattice of aperture,
The brightness 100% of luminous point, PWM1=0 turns off charging current；If VB+ by 12.5V decline again >=
During 12.4V, display state need to be remained full of, the full lattice of aperture, the brightness 100% of luminous point, PWM1=0
Turn off charging current, stop charging, when stopping filling, detect battery core voltage.A preferred enforcement
In example, if the charging interval reaches 7 hours or more, full state, aperture will be forced into
Man Ge, the brightness 100% of luminous point, PWM turns off charging current.
Further, when control unit 12 the 8th pin I-D voltage continue 2 minutes≤
10mV=0.1A*10mV*10, described control unit 12 enters resting state；D1 input voltage >=
2.9V, described control unit 12 does not enter resting state, enters charge mode.When described control
8th pin I-D voltage ＞ 10mV=0.11A*10mV*10 of unit 12 processed, described control unit
12 enter duty；Or key-press input high voltage, described control unit 12 enters work shape
State；Or D1 input voltage≤2.1V, described control unit 12 enters duty；Or D1
Input voltage >=2.9V, described control unit 12 enters duty.
Further, when described drive recorder enters power supply state, in such enforcement
In example, when being in dormancy awakening state, SHDN=0, described control unit 12 carries out exporting shelves
Position identifies, reads RV terminal voltage, selects corresponding I/O mouth to export, and extracts output conversion every time
16, when D1 voltage=2.5V being detected, BB3/DH exports 1 high level of 30 seconds, defeated
Go out conversion head 16 include 12V head, 15V head, 16V head, 19V head, 20V head, 22V head and
24V head, when not inserting output conversion head 16, described control unit 12 detects that different output turns
Change 16 insert state, control corresponding I/O and connect the voltage that output is corresponding.
Fig. 9 shows the circuit diagram of current detecting unit, specifically, and current detection circuit defeated
Entering the two ends that end connects inspection leakage resistance 1R11 respectively, output connects control unit 12 (i.e. schemes
Chips 3U1) the 8th pin I-D end, when electric current exceedes or less than predetermined value, and electric current is examined
Slowdown monitoring circuit exports the voltage ＞ 10mv to I-D end or more than two minutes≤10mv, control unit
12 corresponding entrance duty or resting states.
It will be appreciated by those skilled in the art that this drive recorder can be placed on car as mobile unit
In, it is also possible to as recording device portable use, when as mobile unit, it is preferable that put
Put at the broad view of car front row, further, after performing opening by push-button unit,
Described drive recorder initially enters use state, and further, described camera is started working,
And the picture captured is stored preferably in described hub, extract for user, enter
One step ground, can realize charging to described drive recorder by extraneous adapter or solar energy
Process, and realized the powered operation of other electronic equipments in car by USB interface, further
By the display screen being arranged on drive recorder, ground, is appreciated that described drive recorder is current
Electric energy use state and use consumption.
More specifically, described drive recorder is additionally provided with WIFI function, in such reality
Executing in example, when user opens IMAQ by push-button unit, described control unit is preferably
Receive described image, and described image is sent to mobile intelligent terminal by wireless network, institute
Stating mobile intelligent terminal can be smart mobile phone, flat board or other devices, further,
Described intelligent terminal is preferably provided with the APP matched with described near-field communication module, and
By the real presently described intelligent terminal of described APP monitors in real time.Further, by described
Wireless network realizes the data transmission of hub and external equipment in described drive recorder.
In such embodiments, owing to the drive recorder image collected can be stored in use
In the smart mobile phone of family, after user leaves car, user can check driving recording at any time by mobile phone,
Further, owing to described drive recorder has battery core, can carry with, have simultaneously
WIFI function and data storage function, bring great convenience for user.
Above specific embodiment of the utility model is described.It is to be appreciated that this reality
Being not limited to above-mentioned particular implementation with novel, those skilled in the art can be in claim
In the range of make various deformation or amendment, this has no effect on flesh and blood of the present utility model.
Claims (8)
1. the drive recorder of a band WIFI function, it is characterised in that include camera (9),
The wiring board (7) that is arranged in housing, hub (6), battery core (15), described hub (6)
Connecting described wiring board (7) respectively with battery core (15), described wiring board is provided with control on (7)
Unit processed (12), WIFI chip (2), Charge Management unit (13), DC-DC pressure regulating feeding
Go out unit (14), charging inlet (21) and USB interface (22)；
Described camera (9) carries out data transmission with described hub (6), described Charge Management list
Unit (13) is that described battery core (15) is charged by described charging inlet (21), described DC-DC
Pressure regulation output unit (14) realizes the charging to external equipment by described USB interface (22),
Described control unit (12) controls described Charge Management unit (13), DC-DC pressure regulation output list
Unit (14) and described WIFI chip (2).
Drive recorder the most according to claim 1, it is characterised in that described housing is by holding
Receive groove and cover plate composition, described wiring board (7) is fixed on bottom described holding tank, described hub
(6) inwall being close to described holding tank is fixed, the external-connected port of described charging inlet (21) with
And the external-connected port of described USB interface (22) is arranged on the outer wall of described holding tank；
Wherein, described holding tank is also divided into the first receiving portion and the second receiving portion by dividing plate, described
Hub (6) is positioned at described first receiving portion, and described battery core (15) is positioned at the second receiving portion.
Drive recorder the most according to claim 2, it is characterised in that described DC-DC adjusts
Pressure output unit (14) includes DC-DC boosting output unit (141) and DC-DC reduced output voltage
Unit (142).
Drive recorder the most according to claim 3, it is characterised in that described Charge Management
Unit (13) also includes DC-DC step-down equilibrium charging unit (131).
Drive recorder the most according to any one of claim 1 to 4, it is characterised in that
Also include that current detecting unit (17), described current detecting unit (17) connect described electricity respectively
Core (15), control unit (12) and DC-DC pressure regulation output unit (14).
Drive recorder the most according to claim 5, it is characterised in that also include that display is single
Unit (18), described display unit (18) includes display circuit (181) and display screen (182).
Drive recorder the most according to claim 6, it is characterised in that also include button list
Unit (19), described push-button unit (19) is connected with described control unit (12).
8., according to the drive recorder according to any one of Claims 1-4 or 6 or 7, it is special
Levy and be, described wiring board (7) is additionally provided with pcmcia interface or CF interface, wireless
Card of surfing Internet is fixed in described pcmcia interface or CF interface, and described control unit (12) is controlled
Make described wireless Internet card and be connected to 3G or 4G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163007.XU CN205408033U (en) | 2016-03-03 | 2016-03-03 | Take vehicle event data recorder of WIFI function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107167653A (en) * | 2017-07-17 | 2017-09-15 | 深圳市爱培科技术股份有限公司 | The current detecting system and its detection method of a kind of drive recorder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107167653A (en) * | 2017-07-17 | 2017-09-15 | 深圳市爱培科技术股份有限公司 | The current detecting system and its detection method of a kind of drive recorder |
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