CN1979255A - Motor vehicle running recorder - Google Patents
Motor vehicle running recorder Download PDFInfo
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- CN1979255A CN1979255A CN 200510125987 CN200510125987A CN1979255A CN 1979255 A CN1979255 A CN 1979255A CN 200510125987 CN200510125987 CN 200510125987 CN 200510125987 A CN200510125987 A CN 200510125987A CN 1979255 A CN1979255 A CN 1979255A
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Abstract
The invention is a motor vehicle running recorder, comprising: a master control module, a data collection and input module, a running data storage module, a panel unit for operation input, display output and alarm output, and a control software for implementing signal reading, signal processing and operation, data storage and man-machine interfacing. And it can record the corresponding total running mileage, history running data, running state data in a recent period of time and other information, inquire the running information of the drivers sharing the vehicle and provide the motor vehicle state information at the accident occurring time for enforcing traffic accidents.
Description
Technical field
The present invention relates to a kind of motor vehicle running recorder, particularly about a kind of pen recorder that writes down corresponding running data according to the motor vehicle key.
Background technology
" People's Republic of China's law on road traffic safety " and " People's Republic of China's law on road traffic safety implementing regulations " the 14 regulation: the Tachographs that meets national standard should be installed, be used to the passenger car, heavy motor truck, the tractor truck that are used for the highway operation; Traffic-police can be to vehicle running speed, drive the time continuously and other transport condition information is checked.National standard " motor vehicle security of operation technical conditions " mandatory provision: coach and touring car, semi-mounted lead the lorry that the driving gross mass is not less than 12000kg should install the run recording equipment that possesses vehicle transport condition information such as record, storage, demonstration, printing Vehicle Speed, time, mileage that its technical conditions meet GB/T19056 " automobile travel recorder " relevant regulations.
As seen, national legislation and standard institute standard be a part of commercial operating passenger car and cargo vehicle, do not have clear and definite regulation for ordinary motor vehicle.But in the site disposal program of traffic hazard, the execution difficulty that the law-executor usually produces in the face of lacking incident moment vehicle operation data.
On the other hand, the Tachographs that standard proposed at be the running data of vehicle, and without any record data at key and holder thereof.Yet in the actual life, we usually need to put down in writing the running data at key.For example, the vehicle that many people are shared, everyone has key separately, wish to know each key corresponding driver's distance travelled record; The utility vehicle of some enterprises and institutions has many keys to be administered by many people, usually occurs definite by the actual person liable of non-at-scene break in traffic rules and regulations and dispute that cause.
Summary of the invention
At the problem that above-mentioned prior art exists, the present invention proposes a kind of motor-driven vehicle going data recording equipment that writes down corresponding running data by the motor vehicle key respectively.
This motor vehicle running recorder, comprise a main control module, one data acquisition and load module, one data memory module that travels, one is used to operate the panel unit of input, demonstration output, alarm output, and realize collection, processing, storage and the output of motor-driven vehicle going data by Control Software, by the identification to the motor vehicle firing key, the motor-driven vehicle going data that device is write down have the running data relevant with key.
Data based information of motor-driven vehicle going and the different of sensor type are gathered in different ways.Digital sensor signal such as the speed of a motor vehicle, engine speed directly enters main control module, analog sensor such as oil mass, temperature enters main control module by the A/D modulus switching device, and transport condition signals such as steering indicating light, brake, door contact interrupter then enter main control module by photoelectric isolating device, register cell.
The vehicle operation data that collects is according to predetermined data structure records and be updated to data storage device, and realizes man-machine interface by panel operation input, the mode of output and alarm output that shows.
In this way, run recording equipment has write down the relevant motor-driven vehicle going data of key, thereby, also provide the transport condition information of site of the accident motor vehicle for traffic hazard for the driver's mileage under the public situation of many people, accident responsibility people have determined to provide original data recording.
As a kind of preferred structure of the present invention, this running data memory module can nationality be expanded and is realized by the memory storage of existing vehicle body computer, or increases the external data storage module on existing vehicle body computer.Adopt such structure, can make full use of the resources such as computing, storage, input and output, man-machine interface of existing vehicle body computer, reduce the cost of device.
As the further preferred structure of the present invention, this running data memory module can be integrated in the motor vehicle key.Adopting such structure, can directly data, processing and operation be positioned at by " key of current use ", is which key and do not need authentication " key of current use " on earth, thus control flow that can simplified system, the reduced data storage format.
As the further improvement of above-mentioned preferred structure, at the embedded integrated circuit modules in key the shank of the key position, and a spoon body region has electrical contact, can and the contact of vehicle lock core between communicate by the electric way of contact.
As the further improvement of above-mentioned preferred structure, between key and vehicle body, adopt wireless contactless communication mode.The embedded integrated circuit modules in key the shank of the key position has data storage and wireless receiving and dispatching interface, and the vehicle lock core outer wrapping coil of key correspondence is realized radio communication by the radio communication mode.
In above-mentioned various structures, the driving information corresponding to firing key that running data recording device is gathered, handled and stores can comprise: the total kilometrage that travels, historical driving information (start time, concluding time, mileage number, fuel consumption, average speed), the transport condition data (containing status informations such as the speed of a motor vehicle, brake, steering indicating light, car door) of nearest a period of time.Consider system complexity and economy, specifically the containing content and can suitably increase and decrease of driving information.
Description of drawings
Fig. 1 is module frame figure of the present invention.
Fig. 2 is the storage format of institute of the present invention logging machine motor-car running data.
Fig. 3 is the Control Software processing flow chart of main control module of the present invention.
Fig. 4 is to be the synoptic diagram of memory storage with the key that is electrically connected.
Fig. 5 is that the key with radio communication is the synoptic diagram of memory storage.
Embodiment
Below the present invention is described further by specific embodiment.
The present invention is finished by hardware and software two most coordinations, and hardware components is mainly finished collection, the conversion of various sensor signals, the input of information, output etc., and software is mainly finished Signal Processing, computing and control function.
Hardware components is made up of main control module 1, data read-write module 2, data memory module 3, panel load module 4, display module 5, alarm output module 6 and data acquisition module 7-12, shown in Fig. 1 module frame figure.The AT89C51 single-chip microcomputer that main control module 1 adopts atmel corp to produce, it has 4KB eeprom memory, 128B internal memory, and maximum operation frequency 24MHz simultaneously, has 32 input-output lines, 16 bit timings/counter, 5 interrupt sources, 1 serial port.
The data acquisition aspect, digital sensors 9 such as the engine speed of motor vehicle, the speed of a motor vehicle can be exported digital quantity signal, therefore can directly receive main control module.For analog sensor signals such as oil mass, temperature 8, adopt ADC0809 A/D analog-to-digital conversion module 7, it can adopt the method for approaching one by one to finish the A/D conversion; 8 path analoging switch that have latch function in its sheet can be changed the input analog voltage signal of 8 tunnel 0～5V, and output has the TTL three-state and latchs impact damper, can directly receive single chip computer AT 89C51.To transport condition signals 12 such as other door contact interrupters, steering indicating light, brakes, then need send into serial-in parallel-out register 10 via photoelectric isolating circuit 11, read by main control module 1.
Display module 5 can adopt HD44780, and it is the lcd controller made from the Low-Power CMOS technology, can make dot matrix LCD show the information that capital and small letter English alphabet, numbers and symbols etc. are abundant, sends into relevant data and just can realize required demonstration with instruction.
Panel load module 4 is made up of button, can as required one or more keyswitches be set.
Alarm output module 6 comprises sound and pilot lamp dual mode, and by system software controls, under the situation of default alarm threshold value, if the sensor signal that collects, for example the speed of a motor vehicle surpasses preset value, will start alarm output, to cause driver's attention.
As previously mentioned, main control module AT89C51 single-chip microcomputer has had the eeprom memory of 4KB, and it can be used as the data memory module 3 of this device simultaneously, does not need module for reading and writing 2 in this case.Consider memory capacity and movability, also can adopt various exterior storage mediums such as multimedia memory card MMC, SD card, USB card as data memory module 3, and install suitable interface circuit additional as module for reading and writing 2.Fig. 2 is data content and the allocation of space synoptic diagram of running data in memory storage, can carry out flexible design according to the physical storage capacity.
For the pairing running data of logging machine motor-car key, the present invention improves existing motor vehicle antitheft electron key, so that it has the function of unique identifier.Existing theft-proof electron key includes the IC integrated circuit, when going to " ON " position when key insertion ignition switch and with it, anti-theft control system sends signal to firing key, firing key is responded a code signal, this code signal is authenticated by anti-theft control system, behind the authentication success, anti-theft control system carries out cipher authentication with ECU again.
The present invention increases a key ID mechanism on the basis of above-mentioned link, thereby employed key is carried out uniqueness identification.The realization of identification mechanism has multiple mode, can on existing password acknowledge communication basis, increase a condition code and reply, also can with the combination of existing password acknowledge communication, additional condition code information when the reply code signal.
Software section mainly is made up of master routine, interruption subroutine, data acquisition and A/D conversion routine, display subroutine etc.Master routine is mainly finished key ID and system initialization, and enters the circulation of acquired signal, processing signals, data storage.
Data acquisition and A/D conversion routine according to input parameter to corresponding analog signal sampling, quantification and processing, and return signal value.
Interruption subroutine has three kinds of interrupt sources: keyboard, signal input and Watchdog power down protection circuit, finish panel operation response, signals collecting and power down protection respectively.
Display subroutine is finished the output of data and state.For example, behind the automotive ignition one short period, the relevant total kilometrage data of travelling of firing key that read are shown in the mileage district, during this period of time after, then show the gross vehicle mileage.
It more than is a specific embodiment of the present invention.In fact, in order to realize run recording equipment of the present invention, other embodiment can also be arranged.For example, can be with the hardware components and the unification of existing motorcar body computer of the foregoing description, the data acquisition, data processing, the instrument that make full use of the vehicle body computer show and data storage resource, realize the present invention by the transformation to control program.
In addition, also the data storage device 3 of motor vehicle key 20 as the record that travels can be documented in the pairing relevant driving information of firing key in the built-in storage at its shank of the key position.Finish by the data read-write module of lock core 21 positions with the data communication of the built-in storage unit of key, can adopt between spoon body 20 and lock core 21 the electric way of contact to carry out data communication according to electrical contact, also can adopt coil 22 and 20 wireless non-contacting radio frequency read-write modes of spoon body of lock core 21 peripheries to carry out data communication, Fig. 4 and Fig. 5 are respectively the synoptic diagram of this dual mode.
By motor vehicle running recorder of the present invention; the pairing running data of motor vehicle key; comprise the total kilometrage that travels, historical driving information (start time, concluding time, mileage number, fuel consumption, average speed), the transport condition data (containing status informations such as the speed of a motor vehicle, brake, steering indicating light, car door) of nearest a period of time; all obtain gathering and be recorded in and transfer in the electric protection storage; made things convenient for the driver's running data inquiry under the shared situation of vehicle, also handling for the scene of the accident of traffic administration department provides incident dynamic data constantly.Certainly, consider system complexity and economy, specifically the containing content and can suitably increase and decrease of driving information.
The above only is preferred embodiment of the present invention, is not in order to limit protection scope of the present invention.All equalizations of being done according to the described shape of the present patent application claim, structure, feature and spirit are modified and are changed, and all drop within the scope of patent protection of the present invention.
Claims (6)
1, a kind of motor vehicle running recorder, it comprises a main control module (1), one data acquisition and load module (7)-(12), one data memory module (3) that travels, one is used for the panel unit of operation input (4), demonstration output (5), alarm output (6), and realize collection, processing, storage and the output of motor-driven vehicle going data by Control Software, it is characterized in that: by the identification to the motor vehicle firing key, the motor-driven vehicle going data that device is write down have the running data relevant with key.
2, motor vehicle running recorder as claimed in claim 1 is characterized in that: described motor-driven vehicle going data memory module (3) becomes one with the motorcar body computer, or exists as the external memory of vehicle body computer.
3, motor vehicle running recorder as claimed in claim 1 is characterized in that: described motor-driven vehicle going data memory module (3) becomes one with motor vehicle key (20).
4, motor vehicle running recorder as claimed in claim 3 is characterized in that: the electric way of contact of motor-driven vehicle going data memory module (3) employing that described and motor vehicle key (20) becomes one is connected with the electrical contact in the motor vehicle lock core (21).
5, motor vehicle running recorder as claimed in claim 3 is characterized in that: the described motor-driven vehicle going data memory module (3) that becomes one with motor vehicle key (20) adopts the radio frequency module for reading and writing of wireless noncontact mode and motor vehicle to carry out data communication.
6, as any one described motor vehicle running recorder of claim 1 to 5, it is characterized in that: the motor-driven vehicle going data relevant with corresponding key that write down comprise the total kilometrage that travels, historical driving information and the transport condition data of nearest a period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510125987 CN1979255A (en) | 2005-12-01 | 2005-12-01 | Motor vehicle running recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510125987 CN1979255A (en) | 2005-12-01 | 2005-12-01 | Motor vehicle running recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1979255A true CN1979255A (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510125987 Pending CN1979255A (en) | 2005-12-01 | 2005-12-01 | Motor vehicle running recorder |
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| Country | Link |
|---|---|
| CN (1) | CN1979255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9361739B2 (en) | 2012-02-23 | 2016-06-07 | GM Global Technology Operations LLC | Odometer monitoring and redundant storage system |
-
2005
- 2005-12-01 CN CN 200510125987 patent/CN1979255A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9361739B2 (en) | 2012-02-23 | 2016-06-07 | GM Global Technology Operations LLC | Odometer monitoring and redundant storage system |
| CN103295272B (en) * | 2012-02-23 | 2016-12-28 | 通用汽车环球科技运作有限责任公司 | Speedometer monitoring and redundant storage system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |