CN102080966B - Speed ratio adjusting method of automobile - Google Patents
Speed ratio adjusting method of automobile Download PDFInfo
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- CN102080966B CN102080966B CN2010106182240A CN201010618224A CN102080966B CN 102080966 B CN102080966 B CN 102080966B CN 2010106182240 A CN2010106182240 A CN 2010106182240A CN 201010618224 A CN201010618224 A CN 201010618224A CN 102080966 B CN102080966 B CN 102080966B
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Abstract
The invention relates to a speed ratio adjusting method of an automobile, which comprises the following steps: driving modules of a system meter; scheduling; and scanning of keys. The speed ratio adjusting method provided by the invention is characterized by also comprising the following steps: treating the keys; checking at the initial stage; verifying passwords; treating the speed ratio; and storing. The speed ratio adjusting method provided by the invention is mainly used for rapidly and conveniently adjusting the speed ratio of an automobile on the scene. The speed ratio adjusting method provided by the invention improves the current conditions of free adjustment by uncorrelated personnel and high cost in the existing speed ratio adjusting method, the method capable of adjusting on the scene reduces the manpower input and enhances the work efficiency, so that adjustment of the speed ratio is more flexible, and the adjusting effect is more obvious because automobile types has larger difference in fitting markets.
Description
Technical field
The present invention relates to a kind of automobile speed ratio method of adjustment, relate in particular to a kind of method of carrying out the adjustment of automobile speed ratio with computer software.
Background technology
In the prior art, it is two types that the speed ratio adjustment is divided into: 1. utilize the dial-up mode to adjust, make instrument read the dial-up data in main engine plants or maintenance store through the combination of changing dial-up, carry out the speed ratio coupling then.Though there is the dial-up lid that dial-up is hidden, personnel such as automobilist can open the dial-up lid easily and carry out the dial-up change, conflict with national relevant law.2. utilize the inner speed ratio of field programming mode reprogramming, thereby reach the coupling of speed ratio and vehicle body configuration.But field programming need increase external unit and manpower could be accomplished, and has increased cost, has limited efficient.
Summary of the invention
The present invention is directed to deficiency that prior art exists has proposed a kind ofly can need not the control method of speed ratio easily that external unit is adjusted at the scene.
The technical scheme that the present invention adopted is: a kind of automobile speed ratio method of adjustment, and it comprises the steps: system's instrument drive module step; Obtain to handle behind the speed ratio and draw the pointer target location line pointer motor-driven of going forward side by side; The scheduling step; Dispatch by scheduler module between each step of system and coordinate; The key scan step; Obtain the state variation of button and generate key assignments and submit to by key processing module; It is characterized in that also comprising: the button treatment step; Read and the display interface adjustment information, activate the display process module behind the renewal screen index value; According to the menu adjustment information, call in menu.When menu display interface, turn over key assignments up and down and carry out the menu adjustment, confirm that key assignments gets into menu; According to password number adjustment information, realize password authentification and password storage; During the input password, use the password number adjustment that the downturning key value is carried out corresponding position, acknowledgement key moves to next bit, after in the end a password input finishes, presses when confirming, carries out password authentification; When revising password, turn over key assignments up and down and carry out the password number adjustment, button confirm and after setting up zone bit output password numerical value store to storing step; Receive speed of a motor vehicle speed ratio and rotating speed speed ratio information and be sent to storing step; During the adjustment interface, turn over key assignments adjustment speed of a motor vehicle speed ratio numerical value up and down, the key assignments affirmation also is sent to storing step after setting up zone bit; The initial stage checking procedure; Transfer the actual travel milimeter number and compare verification, to determine whether to proceed follow-up password authentification with the preset milimeter number threshold value of going; The password authentification step; Obtain the encrypted message of button input and transfer the password that storing step prestores and compare, determine whether to proceed follow-up speed ratio treatment step; The speed ratio treatment step; The speed ratio data that read storage are submitted to step display and are shown; The speed of a motor vehicle speed ratio and the rotating speed speed ratio data that receive after the button treatment step is handled are carried out the calculating of speed ratio; Computing formula is during the speed ratio input: speed of a motor vehicle speed ratio=((1000 * back axle ratio) * 8) ÷ ((2 * 3.14 * tire radius) * 0.95 * wheel box speed ratio);
Rotating speed speed ratio=number of teeth * 50; Carry out the pointer parameter adjustment with giving system's instrument drive step after the speed ratio value storage of finally confirming;
Storing step; Storage cart hasten than with rotating speed speed ratio numerical value and password.
The invention has the beneficial effects as follows, can the on-the-spot mode of adjusting simplify the speed ratio set-up procedure, stop the adjustment of unrelated person, speed ratio value storage holding time in storer is long.Overcome existing speed ratio and adjusted uncorrelated personnel adjustment and the high present situation of cost arbitrarily; This can on-the-spot adjustment method reduced human input, promoted work efficiency, make that the speed ratio adjustment is more flexible; The component market is because vehicle differs greatly, and effect is more obvious.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Fig. 1 is applied environment figure; Fig. 2 is a functional block diagram; Fig. 3 is a general flow chart; Fig. 4 is a DFD.
Embodiment
The present invention is the coupling that is used for the indication of vehicle motor rotating speed and speed of a motor vehicle indication and vehicle body configuration (wheel box speed ratio, back axle ratio, tire radius, the number of teeth).It adopts the human-computer interaction interface that directly on the instrument liquid crystal, shows to adjust.
As shown in Figure 2, a kind of automobile speed ratio method of adjustment, it comprises the steps: system's instrument drive module step; Obtain to handle behind the speed ratio and draw the pointer target location line pointer motor-driven of going forward side by side;
The scheduling step; Dispatch by scheduler module between each step of system and coordinate;
The key scan step; Obtain the state variation of button and generate key assignments and submit to by key processing module;
The button treatment step; Read and the display interface adjustment information, activate the display process module behind the renewal screen index value; According to the menu adjustment information, call in menu.When menu display interface, turn over key assignments up and down and carry out the menu adjustment, confirm that key assignments gets into menu;
According to password number adjustment information, realize password authentification and password storage; During the input password, use the password number adjustment that the downturning key value is carried out corresponding position, acknowledgement key moves to next bit, after in the end a password input finishes, presses when confirming, carries out password authentification.When revising password, turn over key assignments up and down and carry out the password number adjustment, button confirm and after setting up zone bit output password numerical value store to storing step.
Receive speed of a motor vehicle speed ratio and rotating speed speed ratio information and be sent to memory module.During the adjustment interface, turn over key assignments adjustment speed of a motor vehicle speed ratio numerical value up and down, the key assignments affirmation also is sent to memory module after setting up zone bit.
The initial stage checking procedure; Transfer the actual travel milimeter number and compare verification, to determine whether to proceed follow-up password authentification with the preset milimeter number threshold value of going; Transfer the total kilometrage that goes, then refuse change, skip the speed ratio adjusting module if the total kilometrage that goes has surpassed 20Km.If go total kilometrage in 20Km, then call password authentication module.
The password authentification step; Obtain the encrypted message of button input and transfer the password that storing step prestores and compare, determine whether to proceed follow-up speed ratio treatment step;
The speed ratio treatment step; The speed ratio data that read storage are submitted to display module and are shown; Speed of a motor vehicle speed ratio and rotating speed speed ratio data after reception is handled by key processing module are carried out the calculating of speed ratio; Computing formula is during the speed ratio input: speed of a motor vehicle speed ratio=((1000 * back axle ratio) * 8) ÷ ((2 * 3.14 * tire radius) * 0.95 * wheel box speed ratio).Rotating speed speed ratio=number of teeth * 50.
Carry out the pointer parameter adjustment with giving system's instrument drive module after the speed ratio value storage of finally confirming.
Storing step; Storage cart hasten than with rotating speed speed ratio numerical value and password; The display process step; Show adjustment and storage data; The display process module is obtained button and is handled back screen index value, according to screen index change screen form and data.
Fig. 3 is a general flow chart, and after power-up initializing was accomplished, the key scan module was obtained the external input keys value; By judging whether trigger the speed ratio adjusting module behind the key processing module processing key assignments; If carry out the speed ratio adjustment, then need carry out the initial stage verification earlier, read the total kilometrage numerical value that goes; When total kilometrage is in limited range (20Km), allow subsequent operation, otherwise can't carry out the speed ratio adjustment.The initial stage verification through after then carry out cryptographic check; Password that gets access to after the button processing and the password of being stored are carried out verification; Then refuse the speed ratio change after the verification failure; Can select to revise password after the verification succeeds or get into the speed ratio adjustment, then carry out the modification and the storage of password when selecting to revise password.Get into the speed ratio processing module then, the speed ratio processing module calculates speed ratio submission system instrument drive and memory module, and the speed ratio computing formula is:
Speed of a motor vehicle speed ratio=((1000 * back axle ratio) * 8) ÷ ((2 * 3.14 * tire radius) * 0.95 * wheel box speed ratio).
Rotating speed speed ratio=number of teeth * 50.
System's instrument drive module step; Obtain to handle behind the speed ratio and draw the pointer target location line pointer motor-driven of going forward side by side.
The data that memory module will be stored are stored.Adopt the mode read to rewrite to carry out during storage, read again with stored data after storage finishes and compare,, change then to distinguish and store if do not want to wait with sense data and stored data then represent that the storer correspondence position damages.
As shown in Figure 4, initial stage verification module is transferred the total kilometrage that goes, and judges, if beyond the limited range then can't carry out the speed ratio change, returns mistake.When going total kilometrage in limited range the time, then carry out cryptographic check, cryptographic check is at first obtained password expressly; The data that read in the storer then to be stored are also deciphered; With expressly comparison, the scheduler module with the result submits master routine to withdraws from the speed ratio adjustment if verification is failed then; If verification succeeds then trigger the speed ratio processing module; The speed ratio processing module is submitted to master routine with final speed ratio numerical value, and master routine is submitted to memory module with speed ratio numerical value, and memory module is stored data.Master routine is submitted to the pointer driver module with speed ratio numerical value simultaneously, and the pointer driver module calculates with speed ratio with from sensor acquisition numerical value, obtains pointer position.Returning the adjustment of screen index value, menu, password by key processing module obtains application, cryptographic check application, password and revises that application is handled in application, speed ratio, storage application confession master routine uses.Master routine receives when password is revised application that can trigger the password adjusting module, the password adjusting module returns new password to master routine, and master routine is submitted to memory module with these data and stored.
Claims (2)
1. automobile speed ratio method of adjustment, it comprises the steps:
System's instrument drive step; Obtain to handle behind the speed ratio and draw the pointer target location line pointer motor-driven of going forward side by side;
The scheduling step; Dispatch and coordinate by the scheduling step between each step of system;
The key scan step; Obtain the state variation of button and generate key assignments and submit to the button treatment step;
It is characterized in that also comprising:
The button treatment step; Read and the display interface adjustment information, activate the display process module behind the renewal screen index value; According to the menu adjustment information, call in menu; When menu display interface, turn over key assignments up and down and carry out the menu adjustment, confirm that key assignments gets into menu; According to password number adjustment information, realize password authentification and password storage; During the input password, use the password number adjustment that the downturning key value is carried out corresponding position, acknowledgement key moves to next bit, after in the end a password input finishes, presses when confirming, carries out password authentification; When revising password, turn over key assignments up and down and carry out the password number adjustment, button confirm and after setting up zone bit output password numerical value store to storing step; Receive speed of a motor vehicle speed ratio and rotating speed speed ratio information and be sent to storing step; During the adjustment interface, turn over key assignments adjustment speed of a motor vehicle speed ratio numerical value up and down, the key assignments affirmation also is sent to storing step after setting up zone bit;
The initial stage checking procedure; Transfer the actual travel milimeter number and compare verification, to determine whether to proceed follow-up password authentification with the preset milimeter number threshold value of going;
The password authentification step; Obtain the encrypted message of button input and transfer the password that storing step prestores and compare, determine whether to proceed follow-up speed ratio treatment step;
The speed ratio treatment step; The speed ratio data that read storage are submitted to step display and are shown; The speed of a motor vehicle speed ratio and the rotating speed speed ratio data that receive after the button treatment step is handled are carried out the calculating of speed ratio; Carry out the pointer parameter adjustment with giving system's instrument drive step after the speed ratio value storage of finally confirming;
Storing step; Storage cart hasten than with rotating speed speed ratio numerical value and password.
2. automobile speed ratio adjusting gear, it comprises: system's instrument drive module; Obtain to handle behind the speed ratio and draw the pointer target location line pointer motor-driven of going forward side by side;
Scheduler module; Dispatch by scheduler module between each module of system and coordinate;
The key scan module; Obtain the state variation of button and generate key assignments and submit to by key processing module;
It is characterized in that also comprising: press key processing module; Read and the display interface adjustment information, activate the display process module behind the renewal screen index value; According to the menu adjustment information, call in menu; When menu display interface, turn over key assignments up and down and carry out the menu adjustment, confirm that key assignments gets into menu; According to password number adjustment information, realize password authentification and password storage; During the input password, use the password number adjustment that the downturning key value is carried out corresponding position, acknowledgement key moves to next bit, after in the end a password input finishes, presses when confirming, carries out password authentification; When revising password, turn over key assignments up and down and carry out the password number adjustment, button confirm and after setting up zone bit output password numerical value to the memory module storage; Receive speed of a motor vehicle speed ratio and rotating speed speed ratio information and be sent to memory module; During the adjustment interface, turn over key assignments adjustment speed of a motor vehicle speed ratio numerical value up and down, the key assignments affirmation also is sent to memory module after setting up zone bit;
Initial stage verification module; Transfer the actual travel milimeter number and compare verification, to determine whether to proceed follow-up password authentification with the preset milimeter number threshold value of going;
Password authentication module; Obtain the encrypted message of button input and transfer the password that memory module prestores and compare, determine whether to proceed follow-up speed ratio processing module;
The speed ratio processing module; The speed ratio data that read storage are submitted to display module and are shown; Speed of a motor vehicle speed ratio and rotating speed speed ratio data after reception is handled by key processing module are carried out the calculating of speed ratio; Carry out the pointer parameter adjustment with giving system's instrument drive module after the speed ratio value storage of finally confirming;
Memory module; Storage cart hasten than with rotating speed speed ratio numerical value and password.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106182240A CN102080966B (en) | 2010-12-31 | 2010-12-31 | Speed ratio adjusting method of automobile |
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| CN2010106182240A CN102080966B (en) | 2010-12-31 | 2010-12-31 | Speed ratio adjusting method of automobile |
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| CN102080966A CN102080966A (en) | 2011-06-01 |
| CN102080966B true CN102080966B (en) | 2012-05-23 |
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| CN2010106182240A Active CN102080966B (en) | 2010-12-31 | 2010-12-31 | Speed ratio adjusting method of automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352889A (en) * | 2016-08-18 | 2017-01-25 | 汽通用红塔云南汽车制造有限公司 | Method for automatically setting speed ratios of speedometers of automobiles |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160291806A1 (en) * | 2015-04-02 | 2016-10-06 | Ford Global Technologies, Llc | Customizable instrument cluster user interface |
| CN106153076B (en) * | 2016-08-23 | 2019-02-19 | 一汽红塔云南汽车制造有限公司 | The adjusting method of automobile odometer speed ratio |
| CN111873927B (en) * | 2020-07-10 | 2021-09-21 | 东风华神汽车有限公司 | Method and system for outputting vehicle speed by combination instrument |
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| US3935996A (en) * | 1974-03-09 | 1976-02-03 | General Motors Corporation | Counter mechanism for continuous measurements, particularly distance measurements |
| CN2168240Y (en) * | 1993-09-11 | 1994-06-08 | 公克勤 | Adjustable speed-ratio processor of speed-mile meter of vehicle |
| CN2359202Y (en) * | 1996-10-11 | 2000-01-19 | 三阳工业股份有限公司 | Motocycle instrument apparatus |
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| JPH1026538A (en) * | 1996-07-11 | 1998-01-27 | Alpine Electron Inc | Navigator |
| JP3972459B2 (en) * | 1998-05-08 | 2007-09-05 | ソニー株式会社 | Navigation device |
| JP4289021B2 (en) * | 2003-05-22 | 2009-07-01 | 株式会社デンソー | In-vehicle device and method for preventing unauthorized use of in-vehicle device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935996A (en) * | 1974-03-09 | 1976-02-03 | General Motors Corporation | Counter mechanism for continuous measurements, particularly distance measurements |
| CN2168240Y (en) * | 1993-09-11 | 1994-06-08 | 公克勤 | Adjustable speed-ratio processor of speed-mile meter of vehicle |
| CN2359202Y (en) * | 1996-10-11 | 2000-01-19 | 三阳工业股份有限公司 | Motocycle instrument apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352889A (en) * | 2016-08-18 | 2017-01-25 | 汽通用红塔云南汽车制造有限公司 | Method for automatically setting speed ratios of speedometers of automobiles |
| CN106352889B (en) * | 2016-08-18 | 2019-02-19 | 一汽红塔云南汽车制造有限公司 | Automobile odometer speed ratio automatic setting method |
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| CN102080966A (en) | 2011-06-01 |
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