CN201173971Y

CN201173971Y - Vehicle mounted positioning terminal having remote fault detection function

Info

Publication number: CN201173971Y
Application number: CNU2008200921020U
Authority: CN
Inventors: 陈煜�
Original assignee: ChinaGPS Co Ltd Shenzhen
Current assignee: ChinaGPS Co Ltd Shenzhen
Priority date: 2008-02-01
Filing date: 2008-02-01
Publication date: 2008-12-31
Anticipated expiration: 2018-02-01

Abstract

The utility model relates to the failure detection and provides a vehicle positioning terminal with the function of the remote failure detection. The vehicle positioning terminal comprises a central processing module (100), a positioning module (200), a communicating module (300), a memory (400), an audio frequency processing module (500), and a failure detecting module (600) which is connected with the central processing module (100) and detects the failure of the vehicle, wherein the failure detecting module (600) comprises a level detecting device connected with a failure signal light of a vehicle meter panel, and the level detecting device realizes the remote failure detection of the vehicle. The vehicle positioning terminal with the function of the remote failure detection can realize the remote detection of the failure phenomenon of the vehicle and ensure that a service center automatically provide the maintenance service for the vehicle.

Description

A kind of on-vehicle positioning terminal with remote failure measuring ability

Technical field

The utility model relates to fault detect, more particularly, relates to a kind of on-vehicle positioning terminal with remote failure measuring ability.

Background technology

The world population big country that China is emerging as economy, along with the lasting raising of people's income level and the upgrading of consumption structure, become the automobile market of tool potentiality in the world, along with day by day popularizing of automobile, the consumer has higher requirement to the service that automobile is correlated with, and has also brought huge business opportunity for the automobile services industry simultaneously.In the demand for services relevant with automobile, it is a business of nearest service value-adding potentiality that vehicle trouble detects.

The diagnostics interface that prior art adopts the car fault diagnosis instrument to be directly connected to vehicle carries out fault detect, and because all there is very big difference in the car fault diagnosis mouth of automobile factory's definition on hardware or software, and each automobile factory of the definition of relevant interface is all not open, therefore present car fault diagnosis instrument on the market is except former factory of the high automobile factory of price diagnostic equipment, and the test data that the failure diagnostic apparatus of other producers all needs to accumulate for a long time could effectively detect vehicle trouble.This detection mode can not make service centre follow the tracks of the failure message of understanding vehicle, can't initiatively provide maintenance service to vehicle, makes the fault detect service of vehicle lag behind sale of automobile.

Therefore, need a kind of terminal that can carry out the remote failure detection to vehicle, make service centre can in time understand the failure message of vehicle, initiatively provide maintenance service vehicle at failure message.

The utility model content

The technical problems to be solved in the utility model is, above-mentioned defective at prior art, a kind of on-vehicle positioning terminal with remote failure measuring ability is provided, makes service centre can in time understand the failure message of vehicle, initiatively provide maintenance service vehicle at failure message.

The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of on-vehicle positioning terminal with remote failure measuring ability, comprise central processing module, locating module, communication module, storer and audio processing modules, also comprise the fault detection module that is connected and vehicle is carried out fault detect with described central processing module.

At the on-vehicle positioning terminal with remote failure measuring ability described in the utility model, described fault detection module comprises the level detection device that is connected with the emergency light of meter panel of motor vehicle.

At the on-vehicle positioning terminal with remote failure measuring ability described in the utility model, described level detection device comprises that multichannel is used for electric current is carried out the resistance current-limiting circuit of current limliting, and it is connected with the input end that multichannel is used for electric signal is carried out the optocoupler that photoelectricity isolates.

At the on-vehicle positioning terminal with remote failure measuring ability described in the utility model, described central processing module is a single-chip microcomputer.

At the on-vehicle positioning terminal with remote failure measuring ability described in the utility model, the output terminal of described optocoupler is connected with the I/O port of described single-chip microcomputer.

Implement the on-vehicle positioning terminal with remote failure measuring ability of the present utility model, has following beneficial effect: by fault detection module is set on vehicle, can realize the phenomenon of the failure of vehicle is carried out remote detection, make mobile unit on the basis of original location tracking, increase the remote failure measuring ability, make service centre can in time recognize the failure message of vehicle, initiatively provide maintenance service to vehicle at failure message, this newly-increased function brings great convenience for the car owner.

Description of drawings

Fig. 1 is the structural drawing that has the on-vehicle positioning terminal of remote failure measuring ability among embodiment of the utility model;

Fig. 2 is the failure detector circuit schematic diagram that has the on-vehicle positioning terminal of remote failure measuring ability among embodiment of the utility model;

Fig. 3 is the workflow synoptic diagram that has the on-vehicle positioning terminal of remote failure measuring ability among embodiment of the utility model.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.

The utility model is by having increased the fault detection module that is connected and vehicle is carried out fault detect with central processing module in on-vehicle positioning terminal, be provided with the level detection device that is connected with the emergency light of meter panel of motor vehicle in the fault detection module, this device is the detectable high-low level signal of single-chip microcomputer with the conversion of signals of the emergency light of vehicle, handle this high-low level signal and be converted to failure message by central processing module, the locating information that this failure message is collected in real time in conjunction with on-vehicle positioning terminal, and be transferred to service centre by communication module.Like this, the failure message of vehicle can in time be understood by service centre, initiatively vehicle is proposed maintenance service, brings very big facility to the car owner.

As shown in Figure 1, for having the structural drawing of the on-vehicle positioning terminal of remote failure measuring ability among embodiment of the utility model, it comprises central processing module 100, locating module 200, communication module 300, storer 400 and audio processing modules 500.Wherein:

Central processing module 100 is used to move embedded OS and application program, carries out signal controlling and detection, data computation and processing.In an exemplary scenario, central processing module 100 be the high-performance microprogram control unit (Micro Control Unit, MCU).In one of them embodiment of this exemplary scenario, as shown in Figure 2, be single-chip microcomputer U1.

Locating module 200, in one embodiment, its typical case is that (GlobalPositioning System, GPS) module are used to receive the signal that satellite provides GPS, calculate the residing accurate position of vehicle, travel speed and current time;

Communication module 300, in one embodiment, its typical case is global system for mobile communications (Global Systemfor Mobile Communications, GSM) module or GPRS (General PacketRadio Service, GPRS) module, it is the core component of radio communication function, and the inter-vehicle information system terminal is passed through GSM/GPRS module access to wireless communication network, and then communicates and data transmission with service centre;

Storer 400, in one embodiment, its typical case is a program storage, data-carrier store, critical data storer and RAM chip are used for save routine, data and instruction;

Audio processing modules 500, in one embodiment, its typical case is that the single channel bridge-type connects audio-frequency power amplifier, is used for the audio frequency power amplifier and the switching of MIC and hands-free loudspeaker, realizes the car phone correlation function.

In the preferred embodiment of the on-vehicle positioning terminal that the utlity model has the remote failure measuring ability, also comprise the fault detection module 600 that is connected and vehicle is carried out fault detect with central processing module 100, this fault detection module 600 comprises the level detection device that is connected with the emergency light of meter panel of motor vehicle, this device is used for the emergency light of meter panel of motor vehicle is carried out level detection, is the detectable high-low level signal of single-chip microcomputer U1 with the emergency light conversion of signals of obtaining.

As shown in Figure 2, for having the failure detector circuit schematic diagram of the on-vehicle positioning terminal of remote failure measuring ability among embodiment of the utility model, wherein, level detection device comprises that multichannel is used for electric current is carried out the resistance current-limiting circuit of current limliting, it is connected with the input end that multichannel is used for electric signal is carried out the optocoupler that photoelectricity isolates, and the I/O port of the single-chip microcomputer U1 in the output terminal of multichannel optocoupler and the central processing module 100 is connected.

In a preferred embodiment, multichannel resistance current-limiting circuit is used for the electric current of importing this circuit is carried out current limliting, one road resistance current-limiting circuit 601 wherein, other each road resistance current-limiting circuit is identical with circuit 601 parallel connections and inner structure, is described with circuit 601 at this.In circuit 601, trouble light input port 1 connects resistance R 1, and the other end of resistance R 1 is connected with resistance R 8, resistance R 8 other end ground connection, its two ends link to each other with capacitor C 1, and capacitor C 1 two ends connect the input end of optocoupler U2, and this optocoupler U3 is connected with the I/O port of single-chip microcomputer U1.Optocoupler U2 comprises a light emitting diode and a photosensitive tube, light emitting diode be used for will input optocoupler U2 electric signal be converted into light signal, and photosensitive tube be used for that this light signal is converted into single-chip microcomputer U1 can detected high-low level signal.

In a preferred embodiment, can be provided with multichannel resistance current-limiting circuit and multichannel optocoupler according to the emergency light quantity of vehicle, make corresponding one road resistance current-limiting circuit of each emergency light and one road optocoupler of vehicle, by the I/O port of resistance current-limiting circuit and the corresponding single-chip microcomputer U1 of optocoupler.

As shown in Figure 3, workflow synoptic diagram for the preferred embodiment of the on-vehicle positioning terminal that the utlity model has the remote failure measuring ability, fault detection module 600 in the utility model preferred embodiment is installed on the vehicle, the automobile body of each brand all can have the fault self-checking system, and main fault all can be pointed out the car owner with the form of pilot lamp, the common faults prompting has ABS-system fault, air bag fault, brake flange fault, engine failure, storage battery fault etc., the emergency light on the corresponding meter panel of motor vehicle of various faults.

When vehicle ignition, central processing module 100 is initiatively initiated the fault detect order, level detection device in the fault detection module 600 detects the emergency light of meter panel of motor vehicle, it is normal bright or when extinguishing to detect emergency light, corresponding electric signal carries out current limliting through the multichannel resistance current-limiting circuit in the level detection device, be converted into light signal behind the light emitting diode of electric signal after the current limliting in the multichannel optocoupler, photosensitive tube in the optocoupler is converted into this light signal the high-low level signal that single-chip microcomputer U1 can detect again, single-chip microcomputer U1 handles this high-low level signal, thereby obtain failure message, the GPS module is obtained the locating information of vehicle simultaneously, this failure message is packed with this locating information and is wirelessly transmitted to service centre by the GSM/GPRS module, show residing position of vehicle and failure message in service centre, thereby realize the fault remote diagnosis of vehicle.

Service centre radios to client with failure message by the GSM/GPRS module according to the kind of failure message, initiatively points out the car owner that vehicle is keeped in repair by audio processing modules 500, brings very big facility to the car owner.

The above only is the utility model preferred embodiment, not in order to restriction the utility model, all any modifications of being done within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of on-vehicle positioning terminal with remote failure measuring ability, comprise central processing module (100), locating module (200), communication module (300), storer (400) and audio processing modules (500), it is characterized in that, also comprise the fault detection module (600) that is connected and vehicle is carried out fault detect with described central processing module (100).

2, the on-vehicle positioning terminal with remote failure measuring ability according to claim 1, it is characterized in that described fault detection module (600) comprises the level detection device that is connected and emergency light is carried out level detection with the emergency light of meter panel of motor vehicle.

3, the on-vehicle positioning terminal with remote failure measuring ability according to claim 1 and 2, it is characterized in that, described level detection device comprises that multichannel is used for electric current is carried out the resistance current-limiting circuit of current limliting, and it is connected with the input end that multichannel is used for electric signal is carried out the optocoupler that photoelectricity isolates.

4, the on-vehicle positioning terminal with remote failure measuring ability according to claim 1 is characterized in that, described central processing module (100) is a single-chip microcomputer.

5, the on-vehicle positioning terminal with remote failure measuring ability according to claim 4 is characterized in that, the output terminal of described optocoupler is connected with the I/O port of described single-chip microcomputer.