CN2478836Y - Test operating mode recorder for vehicle - Google Patents
Test operating mode recorder for vehicle Download PDFInfo
- Publication number
- CN2478836Y CN2478836Y CN 01202359 CN01202359U CN2478836Y CN 2478836 Y CN2478836 Y CN 2478836Y CN 01202359 CN01202359 CN 01202359 CN 01202359 U CN01202359 U CN 01202359U CN 2478836 Y CN2478836 Y CN 2478836Y
- Authority
- CN
- China
- Prior art keywords
- signal
- operating mode
- signal input
- test operating
- recording instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model relates to a vehicle test condition recorder, comprising a plurality of sensors, a casing comprising a display panel and a signal in/out interface panel at the side of the casing, a signal processor in the casing which comprises a signal input interface and a signal output interface on the signal in/out interface panel, a flash memory connected with a power-off clock via a bus, and a display device on the display panel. The signal processor further comprises a central processor for controlling the signal in/out and processing, storing and displaying data preliminarily, which is connected with the single input interface, the signal output interface, the memory and the display device electrically. The signal processor is added with a central processor to effectively control the signal in/out/display, and process the input signal preliminarily, as shift signal, with simple and reliable process.
Description
The utility model relates to a kind of electronical record instrument that is used to write down each operating condition of automobile, in particular, relates to a kind of vehicle behavior electronic recorder that improves data acquisition and data processing method.
The automobile running state recorder, be commonly called as " black box ", mainly be to be used for writing down automobile various parameters in the process of moving, as the speed of a motor vehicle, drive over the speed limit, a kind of recording instrument of information such as driving states, be used in test car manufactures research and improve automotive performance, or traffic control department carries out accident analysis after accident takes place, the occasion that the need such as true cause of judgement car accedent write down the motoring condition in a period of time.In existing vehicle behavior recording instrument, owing to lack the center processor CPU that carries out first treatment and control to incoming signal, the Data Control of memory stores/output is simple, but some data such as gear signal, clutch switch signal etc. are extremely important can't record, especially to some automatic speed changing vehicles, gear signal can't predict by the hardware inductor; And all multisensors need be set according to the needs of signal to the collection of data, as rotating speed, throttle opening, the speed of a motor vehicle, pulsewidth etc., and on-off signal inductor, as auxiliary gear box, speed-slackening signal etc., the installation process complexity is added original instrument inductor and computer self-diagnosable system inductor in the car, complex circuit in the car, very easily make mistakes, cause vehicle trouble.
The purpose of this utility model is to provide a kind of automobile test operating mode recording instrument, by in the signal processing circuit of recording instrument, adding center processor CPU, I/O/the display operation of effective control signal, and the signal of importing is carried out fringeware handle, in order to the important data of comprehensive record such as gear signal etc., process is simple and reliable.
Further purpose of the present utility model is, by signal input interface being divided into sensor signal input interface and diagnosis joint signal input interface, the sensor signal input interface is by corresponding inductor input switch signal is set, as reverse gear, clutch, braking etc.; And diagnosis joint signal input interface links to each other with the diagnose connector and the relevant work indicating circuit of original computer self-diagnosable system in the car, by taking from the working condition signal of self-diagnosable system and relevant work indicating circuit, simplifies sensing circuit and formality is installed.
Further purpose of the present utility model is, by installing a former car speed-slackening signal pedal switch additional as power-transfer clutch deciliter signal source under pedal of clutch, is used for the input clutch on-off signal, thereby records clutch state.
A kind of automobile test operating mode recording instrument of the present utility model comprises a plurality of sensors; One casing comprises a display panel and signal input output interface panel, is positioned at this casing side; And a signal processing circuit, be positioned at described casing, comprise
One signal input interface is arranged at described signal input output interface panel;
One signal output interface is arranged at described signal input output interface panel;
One flash memories, but total wire joint passed through with a power down clock; And
One read out instrument is positioned at described display panel, and wherein, described signal processing circuit also comprises
One is used for the data storage behind control signal input and output and the first treatment and the center processor CPU of demonstration, is electrically connected with described signal input interface and signal output interface and memory device and read out instrument respectively.
Described automobile test operating mode recording instrument, wherein, described signal input interface comprises
One sensor signal input interface is connected with described a plurality of sensor communications of existing automobile operation working indicating; And
One diagnosis joint signal input interface is connected with the diagnose connector communication of automobile computer self-diagnosable system.
Described automobile test operating mode recording instrument, wherein, described a plurality of sensors also comprise a power-transfer clutch deciliter signal inductor, are one to be positioned at the former car speed-slackening signal pedal switch under the pedal of clutch.
Described automobile test operating mode recording instrument, wherein, the prior mask process of described center processor CPU, calculating gear is that corresponding converter speed ratio i=n1/n2 is a Transmission gear, wherein, n1 is an engine speed, n2=Vn010
6/ 602 π R are the gearbox output rotating speed, and V is the speed of a motor vehicle, and R is a vehicle wheel roll radius, and n0 is a drive axle master reduction of speed ratio.
Described automobile test operating mode recording instrument, wherein, corresponding described converter speed ratio i is respectively 4.03,2.37,1.49,1.00,0.87 when one grade of described Transmission gear signal, second gear, third gear, fourth gear and high range overdrive gear.
Described automobile test operating mode recording instrument wherein, also is provided with button set on the described display panel, be electrically connected with described center processor CPU.
Described automobile test operating mode recording instrument, wherein, described signal output interface is the RS232 communication port.
A kind of automobile test operating mode recording instrument that the utility model provides, by in signal processing circuit, adding center processor CPU, I/O/the Presentation Function of control signal is comprehensive and simple in structure, and by the software first treatment, calculate gear signal, accurately and reliably simple and practical, through actual measurement, its identification correctness is far above the gear signal producer of hardware switch type.
Further, automobile test operating mode recording instrument of the present utility model, by the directly diagnose connector of original computer self-diagnosable system and the corresponding work indicating circuit image data that links to each other in the car of diagnosis joint signal input interface is set, thereby simplified sensing circuit and formality has been installed, improve functional reliability, and helped adapting to the vehicle of different model and structure.
Further, automobile test operating mode recording instrument of the present utility model by installing a former car speed-slackening signal pedal switch additional as power-transfer clutch deciliter signal generator under pedal of clutch, thereby can write down the state of power-transfer clutch.
Below in conjunction with accompanying drawing,, will make technique scheme of the present utility model and other advantages apparent by description to preferred embodiment.
In the accompanying drawing,
Figure 1A is the stereoscopic scheme drawing of automobile test operating mode recording instrument of the present utility model;
Figure 1B is the display panel scheme drawing of automobile test operating mode recording instrument of the present utility model;
Shown in Fig. 1 C is the signal input output interface panel scheme drawing of automobile test operating mode recording instrument of the present utility model;
Fig. 2 is the structured flowchart of automobile test operating mode recording instrument of the present utility model;
Shown in Fig. 3 is the software flow pattern of the center processor CPU of automobile test operating mode recording instrument of the present utility model;
Shown in Fig. 4 A is the testing wire that is used for connecting the diagnosis head of the diagnosis joint signal input interface of automobile test operating mode recording instrument of the present utility model and automobile computer self-diagnosable system;
Shown in Fig. 4 B is that the A of diagnosis joint signal input interface coupling end of testing wire shown in Fig. 4 A and automobile test operating mode recording instrument is to the interface view;
Shown in Fig. 4 C is that the A of a diagnosis coupling end of testing wire shown in Fig. 4 A and automobile computer self-diagnosable system is to the interface view.
Hereinafter, will describe the utility model in detail.
Automobile test operating mode recording instrument 1 of the present utility model shown in Figure 1A, has an airtight casing 11, is signal processing circuit within these casing 11 confined spaces; The front and back of this casing 11 are respectively display panel 111 and signal input output interface panel 112, respectively shown in Figure 1B and Fig. 1 C.
Being provided with a center processor CPU 500 in the described signal processing circuit, as shown in Figure 2, is to be used for the input and output of control signal and data storage behind the first treatment and demonstration.
At first, on-off signal collections such as reverse gear, clutch, braking are from each inductor of automobile operation working indicating, by these automobile test operating mode recording instrument 1 of the sensor signal input interface on the signal input output interface panel 112 shown in Fig. 1 C 401 input, this signal is handled after described CPU 500 is controlled on the read out instrument 320 shown in Figure 1B shows and storage in FLASH memory device 503 through photoelectric coupled circuit 505.
Signal such as the speed of a motor vehicle, engine speed is directly gathered the diagnose connector 502 from the computer self-diagnosable system 501 of automobile, by 402 these automobile test operating mode recording instrument 1 of input of the diagnosis joint signal input interface on the signal input output interface panel 112 shown in Fig. 1 C, this signal is through showing on described read out instrument 320 under the control of described CPU 500 and storing in FLASH memory device 503 after the level shifting circuit 504.Data line 600 between described diagnose connector 502 and the described diagnosis joint signal input interface 402 is shown in Fig. 4 A, and the tip side view of itself and described diagnosis joint signal input interface 402 is a DB15F standard interface 601 shown in Fig. 4 B; The tip side view of itself and described diagnose connector 502 is an OBD16P standard interface 602 shown in Fig. 4 C; Wiring relation between the above-mentioned interface 601,602 is as follows:
| DB15F | OBD16P | Explanation |
| 1 | 16 | Red (POWER+) |
| 3 | 7 | Yellow (KLINE) |
| 11 | 15 | Green (LLINE) |
| 15 | 4，5 | Black (GND) |
| 5 | 2 | Blue (BUS+) |
| 7 | 10 | Purple (BUS-) |
It should be noted that according to different vehicles, the above-mentioned mode of connection should correspondingly be adjusted.
On described display panel 111, also be provided with the switching push button group, shown in Figure 1B, comprise switching push button 341, button 342 is set, exit button 343, and acknowledge button 344, this button set is electrically connected with described CPU 500, as shown in Figure 2, is used for this CPU and accepts artificial control signal.
Simultaneously, automobile test operating mode recording instrument 1 of the present utility model also is provided with the interface 403 with the PC communication, by the output of described CPU 500 control datas from described memory device 503, shown in Fig. 1 C, this interface is positioned on the described signal input output interface panel 112, is a RS232 communication port.
But the time sequential pulse of this CPU 500 comes from power down operation clock 506, makes these clock 506 power down can remove record data in the described memory device 503.
In addition, the center processor CPU 500 of automobile test operating mode recording instrument 1 of the present utility model can also be connected with watchdog circuit 507 communications, thereby realizes the alarming anti-theft function.
In addition, automobile test recording instrument 1 of the present utility model can also be provided with expansion I/O communication port 508, be used for being connected with 509 communications of panel type mini-printer, thus direct print data.
The software flow of described center processor CPU 500, as shown in Figure 3, behind step p1 power-up initializing, wait for input pattern, and carry out pattern-recognition at step p2:
Pattern one: start timer at step p3; Step p4 whether detect in the section of fixing time, if not, then return step p2 and carry out pattern-recognition; If then carry out the communication line data collection of going forward side by side at step p5 and automobile computer and on-off signal sensor; Carry out the first treatment of data at step p6, return afterwards step p4 whether detect in the section of fixing time.
Step p6 comprises the software treating process to Transmission gear in automobile test operating mode recording instrument of the present utility model, vehicle velocity V that is about to collect and engine speed n1 and original automobile parameter vehicle wheel roll radius R and drive axle master reduction of speed calculate gearbox output rotation speed n 2=Vn010 than n0
6/ 602 π R, thereby by converter speed ratio i=n1/n2=120n1R/ (Vn010
6) calculate the gear of change-speed box.For example, the vehicle wheel roll radius R=339.6mm of certain car, drive axle master reduction of speed is than n0=4.1, and the corresponding relation of gear and converter speed ratio i is:
| Gear | Converter speed ratio i |
| One grade | 4.03 |
| Second gear | 2.37 |
| Third gear | 1.49 |
| Fourth gear | 1.00 |
| High range overdrive gear | 0.86 |
And the data that collect are engine speed n1=2800rpm, vehicle velocity V=100km/h, then
Converter speed ratio i=120 * 2800 * π * 339.6/ (100 * 4.1 * 10
6)=0.87, automobile test operating mode recording instrument then of the present utility model will write down and show that the Transmission gear signal is a high range overdrive gear.
The clutch switch signal that should be noted in the discussion above that automobile test operating mode recording instrument of the present utility model is to come from a former car speed-slackening signal pedal switch that installs additional under pedal of clutch.
Pattern two: communicate with the computing machine that carries out the data reheat treatment at step p7, finish the output of data.
The parameter that automobile test operating mode recording instrument of the present utility model can write down comprises:
1. engine speed n1
2. vehicle velocity V
3. throttle opening β
4. fuel injection pulsewidth W
5. 1～5 grade of S1～S5 of change speed gear box shelves
6. auxiliary gear box two is taken turns high-grade 2H
7. the high-grade 4H of auxiliary gear box four-wheel
8. auxiliary gear box neutral gear N
9. the low-grade 4L of auxiliary gear box four-wheel
10. propons clutch F
11. brake switch B
12. clutch switch C
The time of continuous data recording storage was at least 24 hours, and the speed of data storage was 2 frame/seconds.
Be understandable that; the utility model is not limited to the above-mentioned recording parameters of enumerating; and the data presented item neither be unique; for those of ordinary skills; can make various possible changes or distortion according to the technical solution of the utility model, and all these changes and distortion all should belong to the protection domain of the utility model appended claim book.
Claims (7)
1, a kind of automobile test operating mode recording instrument comprises a plurality of sensors; One casing comprises a display panel and signal input output interface panel, is positioned at this casing side; And a signal processing circuit, be positioned at described casing, comprise
One signal input interface is arranged at described signal input output interface panel;
One signal output interface is arranged at described signal input output interface panel;
One flash memories, but total wire joint passed through with a power down clock; And
One read out instrument is positioned at described display panel, it is characterized in that, described signal processing circuit also comprises
The one center processor CPU that is used for control signal input and output and first treatment data and storage and shows is electrically connected with described signal input interface and signal output interface and memory device and read out instrument respectively.
2, automobile test operating mode recording instrument according to claim 1 is characterized in that described signal input interface comprises
One sensor signal input interface is connected with described a plurality of sensor communications of existing automobile operation working indicating; And
One diagnosis joint signal input interface is connected with the diagnose connector communication of automobile computer self-diagnosable system.
3, automobile test operating mode recording instrument according to claim 2 is characterized in that, described a plurality of sensors also comprise a power-transfer clutch deciliter signal inductor, is one to be positioned at the former car speed-slackening signal pedal switch under the pedal of clutch.
4, automobile test operating mode recording instrument according to claim 1 is characterized in that, the prior mask process of described center processor CPU, and calculating gear is that corresponding converter speed ratio i=n1/n2 is a Transmission gear, wherein, n1 is an engine speed, n2=Vn010
6/ 602 π R are the gearbox output rotating speed, and V is the speed of a motor vehicle, and R is a vehicle wheel roll radius, and n0 is a drive axle master reduction of speed ratio.
5, automobile test operating mode recording instrument according to claim 4 is characterized in that, corresponding described converter speed ratio i is respectively 4.03,2.37,1.49,1.00,0.87 when one grade of described Transmission gear signal, second gear, third gear, fourth gear and high range overdrive gear.
6, automobile test operating mode recording instrument according to claim 1 is characterized in that, also is provided with button set on the described display panel, is electrically connected with described center processor CPU.
7, automobile test operating mode recording instrument according to claim 1 is characterized in that, described signal output interface is the RS232 communication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202359 CN2478836Y (en) | 2001-02-23 | 2001-02-23 | Test operating mode recorder for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202359 CN2478836Y (en) | 2001-02-23 | 2001-02-23 | Test operating mode recorder for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2478836Y true CN2478836Y (en) | 2002-02-27 |
Family
ID=33624194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01202359 Expired - Fee Related CN2478836Y (en) | 2001-02-23 | 2001-02-23 | Test operating mode recorder for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2478836Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023342A (en) * | 2016-05-11 | 2016-10-12 | 安徽江淮汽车股份有限公司 | Data management method and system for nonvolatile store of automatic gearbox |
-
2001
- 2001-02-23 CN CN 01202359 patent/CN2478836Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023342A (en) * | 2016-05-11 | 2016-10-12 | 安徽江淮汽车股份有限公司 | Data management method and system for nonvolatile store of automatic gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1078369C (en) | Traffic accident data recorder and traffic accident reproduction system | |
| CN101135699B (en) | Vehicle speed sensor diagnostic system and method | |
| CN103895637A (en) | Method and system for actively controlling motor car by learning travel pattern | |
| CN101488238A (en) | Coach running data recording device and method for accident analysis by applying the device | |
| CN108162798B (en) | Control method in slope and crawling | |
| CN102239073A (en) | Device and method of determining vehicle conditions | |
| CN202002802U (en) | Electric automobile entire operating condition motor system testing device | |
| KR100234786B1 (en) | Method and apparatus for resetting the value of a control parameter indicative of gross combined weight of vehicles to a default value thereof | |
| WO2023226979A1 (en) | Vehicle mode management method and apparatus, and vehicle and storage medium | |
| CN2767268Y (en) | Early-warning intelligent controlling system for vehicle tailing and collision prevention | |
| CN110001609A (en) | A kind of four-wheel wheel hub driving electric car line traffic control electric braking control device | |
| CN109946005B (en) | Method, device and system for power detection | |
| CN2478836Y (en) | Test operating mode recorder for vehicle | |
| CN1586945A (en) | Intelligent control system and method for early warning of automobile end collision | |
| CN200956107Y (en) | CAN bus based on-board on-line performance measuring device | |
| CN110065489B (en) | Dual-motor hybrid power system for high-power heavy truck and control method thereof | |
| FR2795796B1 (en) | CONTROL SYSTEM FOR A MECHANICAL TRANSMISSION OF A MOTOR VEHICLE | |
| CN2280018Y (en) | Dashboard with vacuum fluorescence display for automobile | |
| CN201984549U (en) | Passenger bus running data recording device | |
| CN113815427B (en) | Operation control method and device and electric automobile | |
| CN2735324Y (en) | Integrated test bench for engine, automatic transmission, ABS | |
| CN111765245A (en) | Gear shifting system and gear shifting method for improving gear shifting economy | |
| CN2748336Y (en) | Intelligent automobile speed variation display lamp | |
| JP2551598B2 (en) | Tachograph device | |
| CN2240742Y (en) | IC disc recording instrument for data of motive vehicle running state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |