CN200979707Y - A driving record system with GPS - Google Patents

Abstract

The utility model discloses a tachograph with GPS which not only can record the parking and speed information but also can record the location information, aiming at the disadvantages of the conventional tachoraph that can only record the parking and speed information. The utility model is characterized in that the tachograph comprises a tachographic module (1) and a GPS module (2), wherein the tachographic module (1) comprises a high-performance SCM (101), a power source unit (102), a data storing unit (103), an external data interface unit (104), a vehicle-condition sensor signal processing unit (105) and a RTC module (106), and the GPS module is a vehicle GPS module. The utility model not only is capable of collecting the driving data which is recorded by the traditional tachograph, but also can obtain detailed information about the vehicle position, thereby contributing to more accurately and timely locates the faults. Being coordinated with other facilities, the utility model can be widely used in the vehicle burglarproof and dispatching fields.

Description

The bicycle recording apparatus of band GPS

Technical field

The utility model relates to a kind of auto parts machinery, especially a kind of train movement recording equipment, specifically a kind of bicycle recording apparatus with GPS.

Background technology

At present, be accompanied by developing rapidly of auto industry, automobile makes people's trip activity space obtain great expansion, relates to the automobile safety practice relevant with the people simultaneously and also obtains people's attention.Automobile travel recorder claims again " automobile black box ", is the digital electronic pen recorder that other status informations of Vehicle Speed, time, mileage and relevant vehicle ' is write down, stores and can realize by interface data output.But the duration of starting time, distance travelled, running time, max. speed and each max. speed that automobile travel recorder detail record vehicle is each, and the preceding 20 seconds information of vehicles of storage parking, make things convenient for vehicle supervision department vehicle effectively to be managed according to the relevant data that is write down, improved driver's the safety responsibility heart widely, thus the generation of reduction accident significantly.External most vehicle vehicle all forces to have installed drive recorder at present, domestic relevant department also requires the part vehicle that drive recorder must be installed, but existing drive recorder only can registration of vehicle itself relevant information, can't differentiate and record in addition the residing positional information of vehicle, cause inconvenience to management, driver and crew need memoriter recall in case have an accident or during behavior such as violating the regulations, and are very inconvenient.

Summary of the invention

The purpose of this utility model is to write down the shortcoming of parking information and speed information at existing drive recorder, designs a kind of bicycle recording apparatus that parking information and speed information can write down the band GPS of locating information again that promptly can write down.

The technical solution of the utility model is:

A kind of bicycle recording apparatus with GPS, it is characterized in that it mainly is made of driving recording module 1 and GPS module 2, wherein driving recording module 1 is mainly by single-chip microcomputer 101, power supply unit 102, data storage cell 103, external data interface unit 104, vehicle condition sensor signal processing unit 105, RTC real-time clock module 106 is formed, power supply unit 102 provides power supply for driving recording module 1 itself and GPS module 2, data storage cell 103 links to each other with single-chip microcomputer 101, the output of vehicle condition sensor signal processing unit 105 links to each other with single-chip microcomputer 101 corresponding input end, external data interface unit 104 links to each other with single-chip microcomputer 101 corresponding pin, RTC real-time clock 106 links to each other with single-chip microcomputer 101, and the serial ports of the single-chip microcomputer 101 in the output of GPS module 2 and the driving recording module 1 links to each other.

Described vehicle condition sensor signal processing unit 105 links to each other with the output of vehicle speed pulse sensor.

Described external data interface unit 104 comprises USB interface and/or the RS232 interface that links to each other with output peripheral equipment.

The utlity model has following advantage:

Owing to adopted GPS global positioning information module, so the utility model not only can gather the vehicle ' record data that traditional drive recorder writes down, and can also obtain the detail location information of vehicle, helps accurate in locating trouble spot more.Cooperate other equipment to use widely in fields such as vehicle-mounted antitheft and vehicle monitorings.

Description of drawings

Fig. 1 is a theory structure block diagram of the present utility model.

Fig. 2 is the electrical schematic diagram of power supply unit of the present utility model.

Fig. 3 is the electrical schematic diagram of data storage cell of the present utility model.

Fig. 4 is the electrical schematic diagram of external data interface of the present utility model.

Fig. 5 is the electrical schematic diagram of vehicle condition sensor signal processing unit of the present utility model.

Fig. 6 is the electrical schematic diagram of GPS module of the present utility model.

Fig. 7 is the electrical schematic diagram of one-chip computer module of the present utility model.

Embodiment

Following structure drawings and Examples are further described the utility model.

Shown in Fig. 1-7.

A kind of bicycle recording apparatus with GPS, mainly constitute by driving recording module 1 and GPS module 2, as shown in Figure 1, wherein mainly (model can be C8051F345 to driving recording module 1 by high performance single-chip microcomputer 101, as shown in Figure 7), power supply unit 102, data storage cell 103, external data interface unit 104, vehicle condition sensor signal processing unit 105 is formed, GPS module 2 is automobile-used GPS module, power supply unit 102 is each circuit in the driving recording module 1, unit and GPS module 2 provide power supply, and the output of GPS module 2 links to each other with the serial ports of the high-performance single-chip microcomputer 101 of driving recording module 1; Data storage cell 103 links to each other with high-performance single-chip microcomputer 101; The output of vehicle condition sensor signal processing unit 105 links to each other with high-performance single-chip microcomputer 101 corresponding input end; The interconnected connection news of external data interface circuit 104 and high-performance single-chip microcomputer 101 corresponding pin can be carried out the download and the communication of data by serial ports, usb bus interface and external bus or output device such as printer simultaneously.

Wherein:

Driving recording module 1 is mainly by high-performance single-chip microcomputer 101, data storage cell 103, power supply unit 102, external data interface unit 104 (being RS232 serial communication interface, USB interface), and vehicle condition sensor unit 105 is formed and RTC real-time clock unit 106 is formed.The record requirement of driving recording module 1 complete compatible national automobile travel recorder standard GB/T 19056-2003 is a relatively independent driving recording module.

GPS module 2 mainly is made up of the GPS receiver.The GPS module is mainly used to receive gps signal, considers vehicle-mounted application requirements, should select relative sensitivity high, the GPS receiver module low to environmental requirement, and the circuit theory diagrams of GPS receiver module are as shown in Figure 6.

Power supply unit 102 is mainly finished importing (+12V/+24V) conversion and the control of vehicle-mounted voltage, by a slice DC/DC conversion chip, with vehicle-mounted voltage transitions one-tenth+5V voltage, when concrete wiring, to take all factors into consideration simultaneously and disturb and heat dissipation problem, circuit theory diagrams are seen Fig. 2, and capacitor C 113 among Fig. 2, and E114 is used for eliminating the interference on the power lead, power control signal is control, and power control signal draws on being undertaken by R103.

Vehicle condition sensor unit 105 is mainly used to gather the vehicle speed pulse signal from automobile, can write down the travel speed of automobile and the rotating speed of engine accurately by the collection to the automobile speed pulse.In specific design, note considering the electrical isolation problem of signal, prevent that equipment room from producing interference mutually.Vehicle condition sensor signal processing unit circuit theory diagrams are seen shown in Figure 5.Explained vehicle speed pulse signals sampling principle among Fig. 5, the vehicle speed pulse signal is isolated signal with an optoelectronic switch after passing through a signal transformation circuit, has realized simultaneously and the coupling of single-chip microcomputer IO mouth signal level, has eliminated the interference to single-chip microcomputer.

Data storage cell 103 is mainly finished speed information, parking of automobile information, GPS information and the collection of time and record, guarantees the safe and reliable of data recording, and the real-time of read-write, as shown in Figure 3.

RTC real-time clock unit 106 is mainly used to provide and writes down required real-time clock, should have stronger reactance voltage fluctuation, the ability of power down and EMC.

External data interface unit 104 provides the download interface of data, and the data downloading mode of easy RS232 serial ports, USB interface can be provided, and can also refute as required simultaneously to connect the printer of specifying model.

Claims (3)

1, a kind of bicycle recording apparatus with GPS, it is characterized in that it mainly is made of driving recording module (1) and GPS module (2), wherein driving recording module (1) is mainly by single-chip microcomputer (101), power supply unit (102), data storage cell (103), external data interface unit (104), vehicle condition sensor signal processing unit (105), RTC real-time clock module (106) is formed, power supply unit (102) provides power supply for driving recording module (1) itself and GPS module (2), data storage cell (103) links to each other with single-chip microcomputer (101), the output of vehicle condition sensor signal processing unit (105) links to each other with single-chip microcomputer (101) corresponding input end, external data interface unit (104) links to each other with the corresponding pin of single-chip microcomputer (101), RTC real-time clock (106) links to each other with single-chip microcomputer (101), and the serial ports of the single-chip microcomputer (101) in the output of GPS module (2) and the driving recording module (1) links to each other.

2, the bicycle recording apparatus of band GPS according to claim 1 is characterized in that described vehicle condition sensor signal processing unit (105) links to each other with the output of vehicle speed pulse sensor.

3, the bicycle recording apparatus of band GPS according to claim 1 is characterized in that described external data interface unit (104) comprises USB interface and/or the RS232 interface that links to each other with output peripheral equipment.

Images