CN201740648U - Automobile king pin angle measuring system - Google Patents
Automobile king pin angle measuring system Download PDFInfo
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- CN201740648U CN201740648U CN2010201178795U CN201020117879U CN201740648U CN 201740648 U CN201740648 U CN 201740648U CN 2010201178795 U CN2010201178795 U CN 2010201178795U CN 201020117879 U CN201020117879 U CN 201020117879U CN 201740648 U CN201740648 U CN 201740648U
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Abstract
The utility model relates to an automobile king pin angle measuring system which comprises a positioning system, a detection device, an automobile central processing unit and an automobile steering system. The positioning system comprises a four-wheel positioning unit, a four-wheel positioning communication unit, a diagnosis decoding unit and a man-machine interface. When in measuring, the four-wheel positioning unit transmits a steering wheel turning command and relevant parameters to the diagnosis decoding unit, the diagnosis decoding unit generates a relevant automobile steering command and transmits the automobile steering command to the automobile central processing unit and the automobile steering command controls the automobile steering system to turn. Moreover, the four-wheel positioning unit transmits a measurement command to the detection device through the four-wheel positioning communication unit, the detection device measures wheel position data, the measured wheel position data is transmitted to the four-wheel positioning unit through the four-wheel positioning communication unit and thereby the angle of an automobile king pin can be obtained through calculation. The utility model has the advantages that the labor is saved, the measurement operation is convenient and the measurement efficiency is improved.
Description
Technical field
The utility model relates to the vehicle detection technical field, relates in particular to a kind of angle of main pin of automobile measuring system.
Background technology
Four-wheel position finder is mainly used in the mutual alignment detected between the automotive wheel and angle to determine the automotive wheel positional parameter, thereby instruct the auto repair pilot to adjust wheel alignment parameter, to satisfy the Automobile Design requirement, realize ride comfort, the security of running car, reduce automobile fuel consumption and tire wear.
The angle that four-wheel position finder is measured mainly contains wheel angle and steering angle, and the former comprises toe-in angle, camber angle etc., and the latter is angle of main pin, comprises kingpin castor angle and kingpin inclination.Usually, be used to measure the method for angle of main pin, at first read the data of the sensor of clamping on the vehicle front-wheel, then bearing circle is turned left respectively and the right-hand rotation certain angle, and read and turn left and the data of sensor when turning right, by calculating kingpin castor angle and kingpin inclination.This measuring method realizes the left-hand rotation and the right-hand rotation of bearing circle by artificial steering wheel rotation, promptly this kind measuring method generally needs two people's operations, one of them people operates the four-wheel position finder main frame, and another person causes the waste on the manpower to the pilothouse steering wheel rotation; If by people's operation, then need it between four-wheel position finder main frame and pilothouse, to run back and forth, because when carrying out the four-wheel location, normally vehicle is placed on the lifting machine, (being generally 1.2～1.8m) detects the lifting machine to be given rise to certain altitude again, operating personnel all need pilothouse up and down at every turn when carrying out the angle of main pin measurement like this, and are very inconvenient.
The utility model content
The technical matters that the utility model mainly solves is, at the prior art above shortcomings, provides a kind of and can save manpower, is convenient for measuring operation, improves the angle of main pin of automobile measuring system of the automatic measured automobiles angle of main pin of efficiency of measurement.
The technical scheme that its technical matters that solves the utility model adopts provides a kind of angle of main pin of automobile measuring system, it comprises positioning system, be fixed in and be used to automobile central processing unit and the automobile steering system measuring the sniffer of wheel-position data and be positioned at automotive interior to be measured on the automotive wheel to be measured, wherein, described positioning system comprises four-wheel positioning unit, four-wheel orientation and communication unit, diagnosis decoding unit and man-machine interface; Described four-wheel positioning unit transmission steering wheel rotation instruction and relevant parameter are to described diagnosis decoding unit, this diagnosis decoding unit receives described steering wheel rotation instruction and relevant parameter, produce corresponding motor turning instruction, and this motor turning instruction is sent to described automobile central processing unit, rotate according to the described automobile steering system of this motor turning instruction control by this automobile central processing unit; Described four-wheel positioning unit sends by described four-wheel orientation and communication unit simultaneously and measures instruction to described sniffer, this sniffer carries out the measurement of wheel-position data according to described measurement instruction, this sniffer is sent to described four-wheel positioning unit with measured wheel-position data through described four-wheel orientation and communication unit, calculates angle of main pin of automobile by this four-wheel positioning unit.
Described four-wheel positioning unit, four-wheel orientation and communication unit and diagnosis decoding unit are arranged in integral type equipment, and described man-machine interface is connected to described four-wheel positioning unit and described diagnosis decoding unit.
Described four-wheel positioning unit, four-wheel orientation and communication unit and diagnosis decoding unit are autonomous device, are respectively four-wheel positioning host, four-wheel orientation and communication appliance case and diagnosis decoding device.
Described diagnosis decoding device is connected by the communication of described four-wheel orientation and communication appliance case with described four-wheel positioning host.
Described man-machine interface is the autonomous device that is connected with described four-wheel positioning host or is arranged on this four-wheel positioning host.
Described four-wheel orientation and communication appliance case is connected with described diagnosis decoding device and the communication of described four-wheel positioning host with RF-wise.
Described diagnosis decoding unit comprises four-wheel locating interface, diagnosis ECU (Electrical Control Unit), signal processing circuit and communication unit, and wherein said signal processing circuit comprises CANBUS bus signals treatment circuit, ODB II signal processing circuit and motor turning signal processing circuit; Described four-wheel locating interface receives steering wheel rotation instruction and the relevant parameter that described four-wheel positioning unit sends, described diagnosis ECU (Electrical Control Unit) forms the motor turning signal according to this steering wheel rotation instruction and relevant parameter, this motor turning signal is handled through the motor turning signal processing circuit and is produced the motor turning instruction, and this motor turning instruction is sent to the automobile central processing unit by communication unit.
Described parameter comprises steering force, steering force moment and vehicle speed signal.
Described four-wheel orientation and communication unit is connected with described sniffer communication with RF-wise.
Described sniffer is real-time measurement to the measurement of wheel-position data.
The utility model is by combining four-wheel positioning unit and diagnosis decoding unit, the Control of Automobile steering realizes turning to and the measurement of sniffer realization wheel-position data simultaneously, make when the wheel-position data of utilizing sniffer to carry out automobile to be measured is measured, can rotate automobile steering wheel to be measured automatically, to realize measurement for angle of main pin of automobile, therefore, operate the four-wheel positioning host separately by a people and can realize measurement, can save manpower angle of main pin of automobile; And need not the operator and run back and forth between four-wheel positioning host and pilothouse, pilothouse conveniently carries out measuring operation up and down, and can improve efficiency of measurement greatly.And the utility model wheel alignment unit can send the corresponding steering wheel rotation instruction that meet its communication protocol and relevant parameter to diagnosing decoding unit according to the vehicle of automobile to be measured, sets up communication with it, therefore applicable to multiple automotive type.
Below in conjunction with drawings and Examples angle of main pin of automobile measuring system of the present utility model is further specified.
Description of drawings
Fig. 1 is the structural representation of the utility model angle of main pin of automobile measuring system first preferred embodiment.
Fig. 2 is the concrete structure synoptic diagram of first preferred embodiment among Fig. 1.
Fig. 3 is the structural representation of the diagnosis decoding unit of first preferred embodiment among Fig. 1.
Fig. 4 is the structural representation of the utility model angle of main pin of automobile measuring system second preferred embodiment.
Fig. 5 is the structural representation of the diagnosis decoding unit of second preferred embodiment among Fig. 4.
Embodiment
As shown in Figure 1, first preferred embodiment of the utility model angle of main pin of automobile measuring system comprises positioning system 10, is used to automobile central processing unit (being automobile CPU) 30 and the automobile steering system 40 measuring the sniffer 20 of wheel-position data and be positioned at automotive interior to be measured.
Wherein, positioning system 10 realizes turning to by automobile central processing unit 30 Control of Automobile steering 40, and simultaneously, control sniffer 20 carries out the measurement of wheel-position data.As shown in Figure 2, positioning system 10 is the integral type system, comprise four-wheel positioning unit 11, four-wheel orientation and communication unit 13, diagnosis decoding unit 15 and man-machine interface 17, promptly four-wheel positioning unit 11, four-wheel orientation and communication unit 13, diagnosis decoding unit 15 and man-machine interface 17 are integrated in the integral type equipment.Wherein, four-wheel positioning unit 11 transmitting control commands receive and handle measurement data, and it is connected to four-wheel orientation and communication unit 13, diagnosis decoding unit 15 and man-machine interface 17 respectively.20 communications are connected with sniffer with four-wheel positioning unit 11 in four-wheel orientation and communication unit 13, so that four-wheel positioning unit 11 carries out data transfer by the operation of these four-wheel orientation and communication unit 13 control sniffers 20 and with sniffer 20, in the present embodiment, this four-wheel orientation and communication unit 13 carries out communication with RF-wise with sniffer 20 and is connected, can comprise radio frequency reception/transmitting element, certainly, this four-wheel orientation and communication unit also can adopt other modes, for example wired mode is connected with sniffer 20.
Diagnosis decoding unit 15 is connected to four-wheel positioning unit 11, and can with 30 communications of automobile central processing unit, receive steering wheel rotation instruction and relevant parameter such as steering force, steering force moment and vehicle speed signal etc. that four-wheel positioning unit 11 sends, it is handled the back by analysis send discernible execution command, rotate vehicle steering automatically according to instruction to make automobile central processing unit 30 Control of Automobile steering 40 to automobile central processing unit 30.In addition, diagnosis decoding unit 15 also is used for detecting, handling and analyze by the various performance parameters of 30 pairs of automobiles of automobile central processing unit, thereby understands the running status of automobile, judges whether it some fault occurs.
As shown in Figure 3, diagnosis decoding unit 15 comprises four-wheel locating interface 151, diagnosis automatically controlled (ECU) unit 152, signal processing circuit 153 and communication unit 154.Wherein, four-wheel locating interface 151 will diagnose decoding unit 15 to be connected to four-wheel positioning unit 11, the one end is connected to four-wheel positioning unit 11, and the other end is connected to diagnosis ECU (Electrical Control Unit) 152, can carry out the signal transmission to make between four-wheel positioning unit 11 and the diagnosis ECU (Electrical Control Unit) 152.152 of ECU (Electrical Control Unit) of diagnosis are according to communications protocol, the instruction of the four-wheel positioning unit 11 that transmits according to four-wheel locating interface 151 sends corresponding signal to signal processing circuit 153, handle by this signal processing circuit 153, produce and be convenient to send and automobile central processing unit 30 discernible execution commands.This signal processing circuit 153 comprises CANBUS (Controller Area Network BUS, Controller Area Network-BUS) bus signals treatment circuit 1531, ODB II (onboard diagnostic system, On Board Diagnose II) signal processing circuit 1532 and motor turning signal processing circuit 1533, signals such as the control signal that diagnosis ECU (Electrical Control Unit) 152 is sent, diagnostic signal, turn signal are handled respectively, formation is convenient to send and the 30 discernible instructions of automobile central processing unit, is sent to automobile central processing unit 30 by communication unit 154.This communication unit 154 also can be used as separate unit and is arranged at outside the diagnosis decoding unit 15, is used for the instruction that diagnosis decoding unit 15 transmits is sent to automobile central processing unit 30.
System for the utility model measured automobiles angle of main pin, when diagnosis decoding unit 15 receives from instruction of the steering wheel rotation of four-wheel positioning unit 11 and relevant parameter by its four-wheel locating interface 151, its diagnosis ECU (Electrical Control Unit) 152 comprises steering force according to this steering wheel rotation instruction and relevant parameter formation, the motor turning signal of steering force moment and vehicle speed signal etc., and this motor turning signal is sent to motor turning signal processing unit 1533, handle generation motor turning instruction by this motor turning signal processing unit 1533, be sent to automobile central processing unit 30 through communication unit 154, measure thereby carry out angle of main pin with the rotation of Control of Automobile steering 40 travel direction dishes.
Man-machine interface 17 is connected to four-wheel positioning unit 11 and diagnosis decoding unit 15, with the man machine operation interface that provides automobile four-wheel location and decoding to diagnose, and can as required measurement data, process data and result data etc. be shown.In the present embodiment, this man-computer interface 17 can comprise input block and display unit such as LCDs.
Automobile central processing unit 30 is used for realizing according to the motor turning instruction control automobile steering system 40 of diagnosis decoding unit 15 rotation of bearing circle.
The utility model first preferred embodiment is fixed in sniffer 20 on the wheel of automobile to be measured earlier when carrying out the angle of main pin of automobile measurement; Secondly, send steering wheel rotations instruction and relevant parameter to the diagnosis decoding unit 15 of positioning system 10, send to measure through the four-wheel orientation and communication unit 13 of positioning system 10 simultaneously and instruct to sniffer 20 by the four-wheel positioning unit 11 of positioning system 10; When diagnosis decoding unit 15 receives steering wheel rotation instruction and relevant parameter, produce corresponding motor turning instruction, and this motor turning instruction is sent to automobile central processing unit 30, this automobile central processing unit 30 rotates according to this motor turning instruction control automobile steering system 40; Simultaneously, sniffer 20 carries out the measurement of wheel-position data according to described measurement instruction; Then, described sniffer 20 is sent to described four-wheel positioning unit 11 with measured wheel-position data through described four-wheel orientation and communication unit 13, calculates angle of main pin of automobile by this four-wheel positioning unit 11.
Particularly, elder generation fixes on the feeler of sniffer 20 on the corresponding wheel of automobile to be measured by the wheel clamping; Then, positioning system 10 starts angle of main pin through four-wheel positioning unit 11 and measures, four-wheel positioning unit 11 is loading data from its database, import or select the vehicle of automobile to be measured the operator, certainly the sign object that also can read automobile by diagnosis decoding unit 15 is to discern after the automotive type to be measured, according to an automotive type to be measured of importing or selecting, from database, find vehicle code and the accurate vehicle parameter of former emblem mark with this vehicle coupling, so that follow-up angle of main pin of automobile is calculated and compares.Then, this four-wheel positioning unit 11 sends enabled instruction to diagnosing decoding unit 15.
Subsequently, the four-wheel positioning unit 11 of positioning system 10 sends the steering wheel rotation instruction and relevant parameter is diagnosed decoding unit 15 to this, 13 transmission measurements are instructed to sniffer 20 through four-wheel orientation and communication unit simultaneously, wherein, this four-wheel positioning unit 11 sends the corresponding steering wheel rotation instruction that meets its communication protocol and relevant parameter to diagnosing decoding unit 15 according to the vehicle of automobile to be measured.
This diagnosis decoding unit 15 receives steering wheel rotation instruction and the relevant parameter that four-wheel positioning unit 11 sends, and produces the 30 discernible motor turning instructions of automobile central processing unit in view of the above, is sent to automobile central processing unit 30.
After automobile central processing unit 30 received this motor turning instruction, just Control of Automobile steering 40 was according to the automatic steering wheel rotation of instruction.
Simultaneously, sniffer 20 is monitored and is measured wheel-position data in real time, and the wheel-position data that records is sent to positioning system 10 in real time according to the measurement instruction of four-wheel positioning unit 11.Simultaneously, this sniffer 20 can be shown the wheel-position data that records on its display unit.
When measurement is finished, the four-wheel positioning unit 11 of positioning system 10 sends the command for stopping of end stub measurement to diagnosing decoding unit 15, order diagnosis decoding unit 15 stops the steering wheel rotation instruction, end is to the control of automobile steering system 40, at this moment, four-wheel positioning unit 11 obtains final angle of main pin of automobile and it is shown on the man-machine interface 17, and is back to sniffer 20, is shown by its display unit.
Thus, the utility model first embodiment is by being combined in four-wheel positioning unit 11 and diagnosis decoding unit 15 in the positioning system 10 of integral type, turn to and sniffer 20 realization wheel-position data measurements by this positioning system 10 Control of Automobile steering realization simultaneously, make when the wheel-position data of utilizing sniffer 20 to carry out automobile to be measured is measured, can rotate automobile steering wheel to be measured automatically, to realize measurement for angle of main pin of automobile, therefore, measurement can be realized by the independent manipulation positioning system of a people, manpower can be saved angle of main pin of automobile; And need not that the operator runs back and forth, pilothouse up and down between positioning system and pilothouse, conveniently carry out measuring operation, and can improve efficiency of measurement greatly.
As shown in Figure 4, system's second preferred embodiment for the utility model measured automobiles angle of main pin, the key distinction of this second preferred embodiment and above-mentioned first preferred embodiment is, its four-wheel positioning unit, four-wheel orientation and communication unit, diagnosis decoding unit are autonomous device, are respectively four-wheel positioning host 11 ', four-wheel orientation and communication appliance case 13 ', diagnosis decoding device 15 '; Man-machine interface then can be arranged on the four-wheel positioning host 11 ', certainly, can also be connected with four-wheel positioning host 11 ', is provided with separately; And diagnosis decoding device 15 ' is connected by the 13 ' communication of four-wheel orientation and communication appliance case with four-wheel positioning host 11 '.Wherein, four-wheel positioning host 11 ' sends instruction to diagnosing decoding device 15 ' through four-wheel orientation and communication appliance case 13 ', make it realize turning to by automobile central processing unit 30 Control of Automobile steering 40, simultaneously, four-wheel positioning host 11 ' is carried out the measurement of wheel-position data through four-wheel orientation and communication appliance case 13 ' control sniffer 20.
Four-wheel positioning host 11 ' transmitting control commands receives and the processing measurement data, and it is connected with the 13 ' communication of four-wheel orientation and communication appliance case.Four-wheel orientation and communication appliance case 13 ' is connected with four-wheel positioning host (four-wheel position finder main frame) 11 ', sniffer 20 and the 15 ' communication of diagnosis decoding device respectively, and in the data exchange process of four-wheel positioning host 11 ' and sniffer 20 and four-wheel positioning host 11 ' and diagnosis decoding device 15 ', play relaying action, so that four-wheel positioning host 11 ' is by this four-wheel orientation and communication appliance case 13 ' control sniffer 20 and the operation of diagnosing decoding device 15 '.In the present embodiment, this four-wheel orientation and communication appliance case 13 ' carries out communication with RF-wise with four-wheel positioning host 11 ', sniffer 20 and diagnosis decoding device 15 ' and is connected, can comprise radio frequency reception/transmitting element, certainly, this four-wheel orientation and communication appliance case 13 ' also can adopt other modes, for example wired mode is connected with four-wheel positioning host 11 ', sniffer 20 and diagnosis decoding device 15 '.
Diagnosis decoding device 15 ' receives steering wheel rotation instruction and relevant parameter such as steering force, steering force moment and the vehicle speed signal etc. that four-wheel positioning host 11 ' is sent through four-wheel orientation and communication appliance case 13 ', it is handled the back by analysis send discernible execution command, rotate vehicle steering automatically according to instruction to make automobile central processing unit 30 Control of Automobile steering 40 to automobile central processing unit 30.In addition, diagnosis decoding device 15 ' also is used for detecting, handling and analyze by the various performance parameters of 30 pairs of automobiles of automobile central processing unit, thereby understand the running status of automobile, judge whether it some fault occurs, this is a technology well known to those of ordinary skill in the art, does not repeat them here.
As shown in Figure 5, the four-wheel locating interface 151 ' of diagnosis decoding device 15 ' is connected with the 13 ' communication of four-wheel orientation and communication appliance case, can carry out the signal transmission to make between four-wheel orientation and communication appliance case 13 ' and its diagnosis ECU (Electrical Control Unit) 152 '.Diagnosis ECU (Electrical Control Unit) 152 ' is then according to communications protocol, the instruction of the four-wheel positioning host 11 ' that transmits according to four-wheel orientation and communication appliance case 13 ' sends corresponding signal to signal processing circuit 153 ', handle by this signal processing circuit 153 ', produce and be convenient to send and automobile central processing unit 30 discernible execution commands.CANBUS (the Controller Area Network BUS of this signal processing circuit 153 ', Controller Area Network-BUS) bus signals treatment circuit 1531 ', ODB II (onboard diagnostic system, On Board DiagnoseII) signal processing circuit 1532 ' and motor turning signal processing circuit 1533 ', signals such as the control signal that diagnosis ECU (Electrical Control Unit) 152 ' is sent, diagnostic signal, turn signal are handled respectively, formation is convenient to send and the 30 discernible instructions of automobile central processing unit, is sent to automobile central processing unit 30 by communication unit 154 '.
System for the utility model measured automobiles angle of main pin, when diagnosis decoding device 15 ' receives the steering wheel rotation instruction of the four-wheel positioning host 11 ' that four-wheel orientation and communication appliance case 13 ' transmits and relevant parameter by its four-wheel locating interface 151 ', its diagnosis ECU (Electrical Control Unit) 152 ' comprises steering force according to this steering wheel rotation instruction and relevant parameter formation, the motor turning signal of steering force moment and vehicle speed signal etc., and this motor turning signal is sent to motor turning signal processing unit 1533 ', handle generation motor turning instruction by this motor turning signal processing unit 1533 ', be sent to automobile central processing unit 30 through communication unit 154 ', realize the angle of main pin measurement with the rotation of Control of Automobile steering 40 travel direction dishes.
The utility model second preferred embodiment is carried out angle of main pin of automobile and is measured, be with the key distinction part of in above-mentioned first preferred embodiment, carrying out the angle of main pin of automobile measurement, when four-wheel positioning host 11 ' starts the angle of main pin measurement, need read the EIC equipment identification code that four-wheel orientation and communication appliance case 13 ' is stored earlier, after setting up the communication mode with this communication apparatus box 13 ', loading data from database again; And four-wheel positioning host 11 ' is by four-wheel orientation and communication appliance case 13 ' control diagnosis decoding device 15 '.
Particularly, elder generation fixes on the feeler of sniffer 20 on the corresponding wheel of automobile to be measured by the wheel clamping; Then, four-wheel positioning host 11 ' starts angle of main pin and measures, read the EIC equipment identification code that four-wheel orientation and communication appliance case 13 ' is stored, set up communication mode with this communication apparatus box 13 ', and from database loading data, import or select the vehicle of automobile to be measured the operator, certainly the sign object that also can read automobile by diagnosis decoding device 15 ' is to discern after the automotive type to be measured, according to the automotive type to be measured that institute imports or selects, from database, find vehicle code and the accurate vehicle parameter of former emblem mark with this vehicle coupling; Simultaneously, this four-wheel positioning host 11 ' sends enabled instruction to diagnosing decoding device 15 ' through communication apparatus box 13 '.
Four-wheel positioning host 11 ' is diagnosed decoding device 15 ' through 13 ' transmission steering wheel rotation instruction of four-wheel orientation and communication appliance case and relevant parameter to this, send to measure through four-wheel orientation and communication appliance case 13 ' simultaneously and instruct to sniffer 20, wherein, this four-wheel positioning host 11 ' sends the corresponding steering wheel rotation instruction that meets its communication protocol and relevant parameter to diagnosing decoding device 15 ' according to the vehicle of automobile to be measured.
Diagnosis decoding device 15 ' receives steering wheel rotation instruction and the relevant parameter that four-wheel positioning host 11 ' is sent from four-wheel orientation and communication appliance case 13 ', and produce the 30 discernible motor turning instructions of automobile central processing unit in view of the above, be sent to automobile central processing unit 30.
After automobile central processing unit 30 received this motor turning instruction, just Control of Automobile steering 40 was according to the automatic steering wheel rotation of instruction.
Simultaneously, sniffer 20 is monitored and is measured wheel-position data in real time, and the wheel-position data that records is sent to four-wheel positioning host 11 ' in real time through four-wheel orientation and communication appliance case 13 ' according to the measurement instruction of four-wheel positioning host 11 '.Simultaneously, this sniffer 20 can be shown the wheel-position data that records on its display unit.
Four-wheel positioning host 11 ' receives wheel-position data, calculate corresponding middle angle of main pin of automobile in real time according to the wheel-position data that is received, and the middle angle of main pin of automobile that it can be calculated is shown on its man-machine interface 17 ', and be back to sniffer 20, show that by its display unit the person adjusts angle of main pin of automobile with handled easily.
When measurement is finished, four-wheel positioning host 11 ' sends the command for stopping of end stub measurement to diagnosing decoding device 15 ', order diagnosis decoding device 15 ' stops the steering wheel rotation instruction, end is to the control of automobile steering system 40, at this moment, the angle of main pin of automobile that four-wheel positioning host 11 ' will finally obtain is shown on the man-machine interface 17 ', and is back to sniffer 20, is shown by its display unit.
Thus, the utility model second embodiment is by combining four-wheel positioning host 11 ' and diagnosis decoding device 15 ', turn to and sniffer 20 realization wheel-position data measurements by four-wheel positioning host 11 ' Control of Automobile steering realization simultaneously, make when the wheel-position data of utilizing sniffer 20 to carry out automobile to be measured is measured, can rotate automobile steering wheel to be measured automatically, to realize measurement for angle of main pin of automobile, therefore, operate the four-wheel positioning host separately by a people and can realize measurement, can save manpower angle of main pin of automobile; And need not the operator and run back and forth between four-wheel positioning host and pilothouse, pilothouse conveniently carries out measuring operation up and down, and can improve efficiency of measurement greatly.
In sum, the utility model can be saved manpower by four-wheel positioning unit and diagnosis decoding unit are measured in conjunction with being used for angle of main pin of automobile, is convenient for measuring operation, improves efficiency of measurement greatly; The four-wheel positioning unit can send the corresponding steering wheel rotation instruction that meet its communication protocol and relevant parameter to diagnosing decoding unit according to the vehicle of automobile to be measured, sets up communication with it, therefore applicable to multiple automotive type.
The above only is preferred embodiment of the present utility model; be not in order to limit practical range of the present utility model; therefore all other do not break away from the equivalence of being finished under the spirit that the utility model discloses and changes or modify, and all should be included in the protection domain of the present utility model.
Claims (10)
1. angle of main pin of automobile measuring system, it is characterized in that, comprise positioning system, be fixed in and be used to automobile central processing unit and the automobile steering system measuring the sniffer of wheel-position data and be positioned at automotive interior to be measured on the automotive wheel to be measured, wherein, described positioning system comprises four-wheel positioning unit, four-wheel orientation and communication unit, diagnosis decoding unit and man-machine interface; Described four-wheel positioning unit transmission steering wheel rotation instruction and relevant parameter are to described diagnosis decoding unit, this diagnosis decoding unit receives described steering wheel rotation instruction and relevant parameter, produce corresponding motor turning instruction, and this motor turning instruction is sent to described automobile central processing unit, rotate according to the described automobile steering system of this motor turning instruction control by this automobile central processing unit; Described four-wheel positioning unit sends by described four-wheel orientation and communication unit simultaneously and measures instruction to described sniffer, this sniffer carries out the measurement of wheel-position data according to described measurement instruction, this sniffer is sent to described four-wheel positioning unit with measured wheel-position data through described four-wheel orientation and communication unit, calculates angle of main pin of automobile by this four-wheel positioning unit.
2. angle of main pin of automobile measuring system according to claim 1, it is characterized in that: described four-wheel positioning unit, four-wheel orientation and communication unit and diagnosis decoding unit are arranged in integral type equipment, and described man-machine interface is connected to described four-wheel positioning unit and described diagnosis decoding unit.
3. angle of main pin of automobile measuring system according to claim 1, it is characterized in that: described four-wheel positioning unit, four-wheel orientation and communication unit and diagnosis decoding unit are autonomous device, are respectively four-wheel positioning host, four-wheel orientation and communication appliance case and diagnosis decoding device.
4. angle of main pin of automobile measuring system according to claim 3 is characterized in that: described diagnosis decoding device is connected by the communication of described four-wheel orientation and communication appliance case with described four-wheel positioning host.
5. angle of main pin of automobile measuring system according to claim 3 is characterized in that: described man-machine interface is the autonomous device that is connected with described four-wheel positioning host or is arranged on this four-wheel positioning host.
6. angle of main pin of automobile measuring system according to claim 4 is characterized in that: described four-wheel orientation and communication appliance case is connected with described diagnosis decoding device and the communication of described four-wheel positioning host with RF-wise.
7. according to each described angle of main pin of automobile measuring system among the claim 1-6, it is characterized in that: described diagnosis decoding unit comprises four-wheel locating interface, diagnosis ECU (Electrical Control Unit), signal processing circuit and communication unit, and wherein said signal processing circuit comprises CANBUS bus signals treatment circuit, ODB II signal processing circuit and motor turning signal processing circuit; Described four-wheel locating interface receives steering wheel rotation instruction and the relevant parameter that described four-wheel positioning unit sends, described diagnosis ECU (Electrical Control Unit) forms the motor turning signal according to this steering wheel rotation instruction and relevant parameter, this motor turning signal is handled through the motor turning signal processing circuit and is produced the motor turning instruction, and this motor turning instruction is sent to the automobile central processing unit by communication unit.
8. angle of main pin of automobile measuring system according to claim 1 is characterized in that: described parameter comprises steering force, steering force moment and vehicle speed signal.
9. angle of main pin of automobile measuring system according to claim 1 is characterized in that: described four-wheel orientation and communication unit is connected with described sniffer communication with RF-wise.
10. angle of main pin of automobile measuring system according to claim 1 is characterized in that: described sniffer is real-time measurement to the measurement of wheel-position data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201178795U CN201740648U (en) | 2010-02-11 | 2010-02-11 | Automobile king pin angle measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201178795U CN201740648U (en) | 2010-02-11 | 2010-02-11 | Automobile king pin angle measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN201740648U true CN201740648U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201178795U Expired - Fee Related CN201740648U (en) | 2010-02-11 | 2010-02-11 | Automobile king pin angle measuring system |
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| CN (1) | CN201740648U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813470A (en) * | 2010-02-11 | 2010-08-25 | 深圳市元征软件开发有限公司 | System and method for measuring angle of main pin of automobile |
| CN102519421A (en) * | 2011-12-06 | 2012-06-27 | 沈阳第三三○一工厂 | Synchronicity detector of mirror gun |
| CN103196679A (en) * | 2013-03-27 | 2013-07-10 | 麦苗 | Remote control method and remote control system for car wheel locator |
-
2010
- 2010-02-11 CN CN2010201178795U patent/CN201740648U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813470A (en) * | 2010-02-11 | 2010-08-25 | 深圳市元征软件开发有限公司 | System and method for measuring angle of main pin of automobile |
| CN102519421A (en) * | 2011-12-06 | 2012-06-27 | 沈阳第三三○一工厂 | Synchronicity detector of mirror gun |
| CN103196679A (en) * | 2013-03-27 | 2013-07-10 | 麦苗 | Remote control method and remote control system for car wheel locator |
| CN103196679B (en) * | 2013-03-27 | 2015-08-05 | 麦苗 | Wheel alignment meter's long-range control method and system |
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