A kind of automobile data recorder with embedded GPRS positioning system
Technical field
The present invention is a kind of automobile data recorder with embedded GPRS positioning system, belongs to technical field of satellite.
Background technique
GPRS is referred to as the representative of general packet radio service technology and first generation mobile communication technology, is that one kind is based on
The wireless, packet-switched technology of gsm system, provide end to end, the wireless IP connection of wide area.
GPS vehicle location instrument, can also be GPS locator, be widely used in bus, goods stock, taxi etc.
Positioning, antitheft, monitoring, scheduling.
In the prior art, traditional automobile data recorder does not accomplish effective combination of GPRS and GPS, makes automobile data recorder only
The travel situations of vehicle can be recorded, the information of record can not be transferred to the household of car owner so that the household of car owner without
Method monitors the position of car owner in real time, equally can not carry out real-time tracking, practical model to immature children and teenager
Enclose small, reliability is low, traditional automobile data recorder be usually all it is fixed in the car, can not be dismantled and be mounted on car owner's
With, traditional automobile data recorder receiving and transmitting signal is poor, smooth receiving and transmitting signal can not be carried out, prevent car owner and household from into
Row smoothness link up, and the household of car owner can not carry out effective position to the position of car owner, cause very big trouble, can not be right
The safety of car owner carries out effective protection.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of rows with embedded GPRS positioning system
Vehicle recorder, to solve the problems mentioned in the above background technology, the present invention are easy to use, convenient for operation, have gprs system,
It can be bundled on the body of people, satellite-signal can be amplified, stability is good, high reliablity.
To achieve the goals above, the present invention is to realize by the following technical solutions: one kind having embedded GPRS
The automobile data recorder of positioning system, including main body, protective device and signal amplifying apparatus, the main body are mounted on protective device
Interior, the signal amplifying apparatus is mounted on protective device right end, the main body by shell, printed circuit board, central processing unit,
A/D converter, D/A converter, display, GPS receiver, GPRS receiver, GPRS serial ports, GPS serial ports, charging equipment
And graphic transmission equipment composition, the central processing unit, A/D converter, D/A converter, GPS receiver and GPRS
Receiver all welds on a printed circuit board, and the A/D converter and D/A converter are mounted under central processing unit
Side, the GPS receiver and GPRS receiver are mounted on the right side of central processing unit, and the display is fixed on printed circuit board
Front side, the printed circuit board and display are all mounted in shell, the GPRS serial ports, GPS serial ports and charging equipment
It is all fixed on shell right end, the GPRS serial ports is mounted below GPS serial ports, and the GPS serial ports is mounted under charging equipment
Side, described image transmission device are mounted on shell upper end, the central processing unit by electric wire respectively with A/D converter, number/
Mode converter and charging equipment are connected, the A/D converter by electric wire respectively with GPS receiver, GPRS receiver
And graphic transmission equipment is connected, the D/A converter is connected by electric wire with display, the GPS receiver with
GPS serial ports is connected by electric wire, and the GPRS receiver is connected with GPRS serial ports by electric wire, and the protective device is by protecting
Sheath, protective cap are formed by mother buckle, by button, harness and strainer, and shell, the protection are installed inside the protective case
It covers left end and connects protective cap, the protective case rear end connects two harnesses, and button, the snap-fastener are pressed in the protective case front end installation
Mother is assemblied on protective cap, and there are two the strainer is set, two strainers are separately mounted on two harnesses, the letter
Number amplifying device is by data-interface, display screen, pcb board, battery, processor, A/D converter, D/A converter and antenna sets
At the data-interface is mounted on GPRS serial ports, and the processor, A/D converter and D/A converter are all welded on PCB
On plate, the A/D converter is mounted on processor right end, and the D/A converter is mounted on processor left end, before the pcb board
Hold fixed display screen, battery is installed in the pcb board lower end, and pcb board upper end connects three antennas, and the data-interface is from protection
Device right end extends to main body right end, the processor by electric wire respectively with battery, A/D converter and D/A converter
It is connected, the display screen is connected by electric wire with D/A converter, and the D/A converter passes through electric wire and data-interface phase
Connection, three antennas pass through electric wire respectively and are connected with A/D converter.
Further, the mouth big with display etc., the side of being provided on the protective case right end are provided on the protective case front end
Just the connector that charging equipment, GPS serial ports and GPRS serial ports are connected with the outside world.
Further, described image transmission device can carry out flexible up and down.
Further, protective film is fitted on the display and display screen.
Further, memory is installed on the central processing unit.
Further, the central processing unit is AT89C51 single-chip microcontroller, and the processor is AT89C51 single-chip microcontroller.
Further, the GPS receiver and the output end of GPRS receiver all connect with the input terminal of A/D converter
It connects, the output end of the A/D converter and charging equipment is all connect with the input terminal of central processing unit, the central processing unit
Output end and the input terminal of D/A converter connect, the input terminal of the output end of the D/A converter and display connects
It connects.
Further, the output end of three antennas is all connect with the input terminal of A/D converter, the A/D converter
It is all connect with the input terminal of processor with the output end of battery, the output end of the processor and the input terminal of D/A converter
Connection, the output end of the D/A converter are connect with the input terminal of data-interface and display screen respectively.
Beneficial effects of the present invention: a kind of automobile data recorder with embedded GPRS positioning system of the invention, this hair
It is bright to pass through addition printed circuit board, central processing unit, A/D converter, D/A converter, display, GPS receiver, GPRS
Receiver, charging equipment and graphic transmission equipment, the design achieves effective combinations of GPS and GPRS, can be by car owner's
Stroke recording is supplied to the household of car owner in real time, reduces the worry of the household of car owner, solves traditional automobile data recorder
The effective combination for not accomplishing GPRS and GPS record automobile data recorder can only to the travel situations of vehicle, can not will remember
The information of record is transferred to the household of car owner, so that the problem of household of car owner can not monitor the position of car owner in real time.
The present invention passes through addition protective case, protective cap, presses mother buckle, presses button, harness and strainer, the design achieves
Automobile data recorder can be disassembled from car, can be protected to automobile data recorder, prevent from damaging, and can be bundled in arm
On, immature children and teenager can also be effectively protected, their position can be monitored in real time, solved
Traditional automobile data recorder of having determined can not carry out real-time tracking to immature children and teenager, and usage range is small, reliability
Low problem.
The present invention passes through addition display screen, battery, processor, A/D converter, D/A converter and antenna, the design
The amplification to GPS signal and GPRS signal is realized, it is poor to solve traditional automobile data recorder receiving and transmitting signal, can not carry out
Smooth receiving and transmitting signal, so that car owner not can be carried out linking up for smoothness with household, the household of car owner can not be to the position of car owner
The problem of setting carry out effective position, cause very big trouble, effective protection can not being carried out to the safety of car owner.
Because adding protective film, the design achieves the screens to display screen and display to protect, because adding memory,
The design solves the problems, such as central processing unit Out of Memory, and the present invention is easy to use, convenient for operation, has gprs system, can
To be bundled on the body of people, satellite-signal can be amplified, stability is good, high reliablity.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the automobile data recorder with embedded GPRS positioning system of the present invention;
Fig. 2 is a kind of schematic diagram of the main body of the automobile data recorder with embedded GPRS positioning system of the present invention;
Fig. 3 is a kind of schematic diagram of the protective device of the automobile data recorder with embedded GPRS positioning system of the present invention;
Fig. 4 is a kind of signal of the signal amplifying apparatus of the automobile data recorder with embedded GPRS positioning system of the present invention
Figure;
Fig. 5 is that a kind of work of the central processing unit of the automobile data recorder with embedded GPRS positioning system of the present invention is former
Manage block diagram;
Fig. 6 is a kind of working principle frame of the processor of the automobile data recorder with embedded GPRS positioning system of the present invention
Figure;
In figure: 1- main body, 2- protective device, 3- signal amplifying apparatus, 101- shell, 102- printed circuit board, in 103-
Central processor, 104- A/D converter, 105- D/A converter, 106- display, 107-GPS receiver, 108-GPRS connect
Receive device, 109-GPRS serial ports, 110-GPS serial ports, 111- charging equipment, 112- graphic transmission equipment, 21- protective case, 22- protection
Cap, 23- are stored by mother buckle, 24- by button, 25- harness, 26- strainer, 31- data-interface, 32- display screen, 33-PCB plate, 34-
Battery, 35- processor, 36-A/D converter, 37-D/A converter, 38- antenna.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 6 is please referred to, the present invention provides a kind of technical solution: a kind of driving with embedded GPRS positioning system
Recorder, including main body 1, protective device 2 and signal amplifying apparatus 3, main body 1 are mounted in protective device 2, signal amplification dress
It sets 3 and is mounted on 2 right end of protective device.
Main body 1 is by shell 101, printed circuit board 102, central processing unit 103, A/D converter 104, D/A converter
105, display 106, GPS receiver 107, GPRS receiver 108, GPRS serial ports 109, GPS serial ports 110, charging equipment 111 with
And graphic transmission equipment 112 forms, central processing unit 103, A/D converter 104, D/A converter 105, GPS receiver
107 and GPRS receiver 108 be all welded on printed circuit board 102, A/D converter 104 and D/A converter 105
It is mounted on 103 downside of central processing unit, GPS receiver 107 and GPRS receiver 108 are mounted on 103 right side of central processing unit,
Display 106 is fixed on 102 front side of printed circuit board, and printed circuit board 102 and display 106 are all mounted in shell 101,
GPRS serial ports 109, GPS serial ports 110 and charging equipment 111 are all fixed on 101 right end of shell, and GPRS serial ports 109 is mounted on
110 lower section of GPS serial ports, GPS serial ports 110 are mounted on 111 lower section of charging equipment, and graphic transmission equipment 112 is mounted on shell 101
End, central processing unit 103 by electric wire respectively with 111 phase of A/D converter 104, D/A converter 105 and charging equipment
Connection, A/D converter 104 by electric wire respectively with GPS receiver 107, GPRS receiver 108 and graphic transmission equipment
112 are connected, and D/A converter 105 is connected by electric wire with display 106, and GPS receiver 107 and GPS serial ports 110 are logical
It crosses electric wire to be connected, GPRS receiver 108 is connected with GPRS serial ports 109 by electric wire.
Protective device 2 by protective case 21, protective cap 22, by mother buckle 23, by button 24, harness 25 and 26 groups of strainer
At installation shell 101 inside protective case 21,21 left end of protective case connects protective cap 22, and 21 rear end of protective case connects two harnesses
25, button 24 is pressed in the installation of 21 front end of protective case, is assemblied on protective cap 22 by mother buckle 23, there are two strainer 26 is set, two pines
It links closely and 26 is separately mounted on two harnesses 25.
Signal amplifying apparatus 3 is converted by data-interface 31, display screen 32, pcb board 33, battery 34, processor 35, A/D
Device 36, D/A converter 37 and antenna 38 form, and data-interface 31 is mounted on GPRS serial ports 17, processor 35, A/D conversion
Device 36 and D/A converter 37 are all welded on pcb board 33, and A/D converter 36 is mounted on 35 right end of processor, D/A converter
37 are mounted on 35 left end of processor, and the fixed display screen 32 in 33 front end of pcb board, battery 34, pcb board 33 are installed in 33 lower end of pcb board
Upper end connects three antennas 38, and data-interface 31 extends to 1 right end of main body from 2 right end of protective device, and processor 35 passes through electric wire
It is connected respectively with battery 34, A/D converter 36 and D/A converter 37, display screen 32 passes through electric wire and D/A converter 37
It is connected, D/A converter 37 is connected by electric wire with data-interface, and three antennas 38 pass through electric wire and A/D converter respectively
36 are connected.
It is provided with the mouth big with display 106 etc. on 21 front end of protective case, is provided on 21 right end of protective case and facilitates charging equipment
111, the connector that GPS serial ports 110 and GPRS serial ports 109 are connected with the outside world, graphic transmission equipment 112 can carry out stretching up and down
It contracts, is fitted with protective film on display 106 and display screen 32, memory, central processing unit are installed on central processing unit 103
103 be AT89C51 single-chip microcontroller, and processor 35 is AT89C51 single-chip microcontroller, the output of GPS receiver 107 and GPRS receiver 108
End all connect with the input terminal of A/D converter 104, the output end of A/D converter 104 and charging equipment 111 all with center
The input terminal of processor 103 connects, and the output end of central processing unit 103 is connect with the input terminal of D/A converter 105, D/A
The output end of converter 105 is connect with the input terminal of display 106, the output end of three antennas 38 all with A/D converter 36
Input terminal connection, the output end of A/D converter 36 and battery 34 are all connect with the input terminal of processor 35, processor 35 it is defeated
Outlet is connect with the input terminal of D/A converter 37, the output end of D/A converter 37 respectively with data-interface 31 and display screen 32
Input terminal connection.
Specific embodiment: when car owner needs to drive outgoing, car owner can be checked the present invention, check the present invention
It is whether working properly, if can not work, row replacement that come in, if normally, continuing with using, when car owner starts automobile, together
Shi Qidong main body 1, the operation of 1 work belt motion video transmission device 112 of main body, while display 106 is powered and runs, image transmitting is set
Standby 112 operation road pavement and surrounding carry out information collection, and graphic transmission equipment 112 transmits information collected by electric wire
To A/D converter 104, the analog signal that transmission comes is converted digital signal by A/D converter 104, then analog/digital conversion
The digital signal converted is transferred to central processing unit 103 by electric wire by device 104, and central processing unit 103 will transmit
Digital signal reprocessed, then by the digital data transmission reprocessed to D/A converter 105, D/A converter
The digital signal reprocessed is converted analog signal by 105, and last D/A converter 105 is by analog signal transmission to display
Device 106, while the operation of GPS receiver 107 will acquire the location information come from satellite and be transferred to A/D converter 104, mould/
The work of number converter 104 converts digital signal for the analog signal that transmission comes and is transferred to central processing unit 103, central processing
Device 103 reprocesses transformed digital signal, then by the digital data transmission reprocessed to D/A converter
105, the digital signal reprocessed is converted analog signal by D/A converter 105, and last D/A converter 105 will simulation
Signal is transferred to display 106, finally display position information, while the operation of GPRS receiver 108 on display 106, will again
Network is transported on the mobile phone of car owner household processed digital signal in the form of short message by wireless communication.
When car owner gets off, car owner can be disassembled main body 1 from car, then be put into protective case 21, and make by
Mother buckle 23 is buckled together with by button 24, and then car owner can be such that arm puts into two harnesses 25 by adjusting elasticity button 26,
Then strainer 26 is shunk again, fits closely two harnesses 25 and car owner's arm together, even if the design achieves remote
In the case where from automobile, still can the position to car owner positioned and be transferred to car owner household in real time, reduce their load
The heart.
When 108 signal weaker of GPS receiver 107 or GPRS receiver, car owner can star signal amplifying apparatus 3,
Data-interface 31 is connected with GPS serial ports 110 or GPRS serial ports 109 simultaneously, the operation of antenna 38 will receive the satellite-signal of coming
Processing is amplified, the satellite-signal of amplification converts digital signal for analog signal by A/D converter 36, and then A/D turns
Converted digital signal is conveyed to processor 35 by parallel operation 36, and processor 35 reprocesses converted digital signal,
Then processor 35 gives the digital data transmission reprocessed to D/A converter, the digital signal that D/A converter will be reprocessed
It is converted into analog signal, analog signal is conveyed to display screen 32 and GPS serial ports 110 or GPRS by last D/A converter respectively
Serial ports 109, GPS serial ports 110 or GPRS serial ports 197 by the analog signal transmitted be conveyed to GPS receiver 107 or
GPRS receiver 108, to achieve the purpose that amplified signal.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.